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Power of 3

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From left, CSHL’s Bruce Stillman, Double Helix Medal recipients Leonard Schleifer and Reggie Jackson, Chair of the CSHL Board of Trustees Marilyn Simons, and Double Helix Medal recipient George D. Yancopoulos. Photos by Constance Brukin
Above, NYC Mayor-elect Eric Adams speaks at the 16th Annual Double Helix Medals dinner with CSHL President and CEO Bruce Stillmanon and television journalist Lesley Stahl. Photos by Constance Brukin
The guests, including scientists from CSHL, and the honorees shared stories and hors d’oeuvres beneath the dinosaurs at the Museum of Natural History. Photo by Tobias Janowitz
Above, NYC Mayor-elect Eric Adams speaks at the 16th Annual Double Helix Medals dinner with CSHL President and CEO Bruce Stillmanon and television journalist Lesley Stahl. Photos by Constance Brukin
Double Helix Medal recipient George Yancopoulos takes a selfie with CSHL President and CEO Bruce Stillman, Regeneron Chairman of the Board P. Roy Vagelos, Double Helix Medal recipients Leonard Schleifer and Reggie Jackson, and Chair of the CSHL Board of Trustees Marilyn Simons. Photo by Constance Brukin
Dinner was served under the Blue Whale at the Natural History Museum. Photo by Sara Roncero-Menendez
CSHL Trustee Robert W. Lourie, CSHL President and CEO Bruce Stillman, and County Executive Steve Bellone. Photo by Constance Brukin
From left, Assistant Professor Tobias Janowitz, Professor Leemor Joshua-Tor, Assistant Professor Peter Koo, and Professor Linda Van Aelst. Photo by Constance Brukin
Dessert at the awards dinner was caramel tart dessert with chocolate ganache and vanilla ice cream. Photo by Sara Roncero-Menendez

By Daniel Dunaief

This November, Cold Spring Harbor Laboratory celebrated baseball’s Mr. October.

The research facility that specializes in studying cancer, neuroscience, quantitative and plant biology hosted its 16th annual Double Helix Medals dinner at the Museum of Natural History on Nov. 17.

The evening, which was emceed by television journalist Lesley Stahl, honored Hall-of-Famer Reggie Jackson, as well as Leonard Schleifer and George Yancopoulos, the founders of Regeneron, the pharmaceutical company that has provided a life-saving antibody treatment for COVID-19.

The evening, which featured a dinner beneath the blue whale at the museum, raised a record $5 million for research.

“When we were standing in the hall of dinosaurs at the museum, it was fantastic,” said CSHL President and CEO Bruce Stillman. “It was one of the first events where people went out like the old days” prior to the pandemic.

Stillman said guests had to have received their COVID vaccinations to attend the celebration.

In addition to establishing a career as a clutch hitter in the playoffs, Reggie Jackson has dedicated considerable energy through his Mr. October Foundation to improve education around the country.

“His Mr. October foundation complements and parallels the DNA Learning Center programs, particularly now that we’ve opened a large DNA Learning Center in downtown Brooklyn that is serving underserved students in lab-based science,” said Stillman.

In his acceptance speech, Jackson said he found it “significant” that he received an honor for his educational efforts off the baseball field.

Yancopoulos, meanwhile, described his roots as the son of first generation immigrant parents from Greece. Yancopoulos highlighted the need for more funding in research and suggested that science helped pull the world through the pandemic. Yancopoulos said the National Institutes of Health should increase its budget 10-fold to meet the research and clinical needs of the population.

“Biotechnology offers the promise of really solving some of the most difficult problems that we face if we want our citizens to live not only longer, but healthier lives,” Schleifer said in a statement.

Mayor-elect Eric Adams, meanwhile, gave a speech about his vision for the future of the city which included, after some prompting from Stillman, increasing science in the education system.

The Double Helix gala, which started in 2006 when the lab honored the late boxer Muhammed Ali, raises money that goes into CSHL’s operating budget to support research and education.

This year, the donations included a generous gift from Astros owner Jim Crane, who introduced his friend Jackson.

Stillman helps direct the funds raised through the dinner to support scientists who are making what he termed “breakthrough discoveries.”

Many of the most significant discoveries come through philanthropic support, Stillman said, which makes it possible for researchers to design high-risk, high-reward experiments.

CSHL Chair of the Board of Trustees Dr. Marilyn Simons, a previous winner, attended the festive evening.

Senior leadership at the lab chooses the honorees. Stillman said CSHL already has two honorees for the event next year.

Previous honorees include actor Michael J. Fox, basketball legend Kareem Abdul-Jabbar, actor and science educator Alan Alda, and newscasters including Tom Brokaw and Katie Couric.

“It is a really spectacular list,” Stillman said. The winners, who receive a medal, have all contributed in some significant way to science or to science education.

The dinner provides an opportunity for supporters of the mission of CSHL, which has had eight Nobel Prize winners work at the lab during their careers, to invite others to hear about research at the lab.

“It was a very inspiring evening,” Stillman said.

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Above, DeLorenzo (in blue) at a Multiple Sclerosis benefit in which she and a group of friends climbed the stairs at Rockefeller Center. Photo from C. DeLorenzo

By Daniel Dunaief

Her colleagues highlight the joy, passion and optimism she brings to her work, which can be the opposite of the way people she is eager to help feel. 

Dr. Christine DeLorenzo, Professor of Psychiatry and Biomedical Engineering at Stony Brook University, studies depression.

A disease with numerous symptoms that likely has a wide range of causes, depression presents an opportunity for Dr. DeLorenzo to bring not only a relentless energy to her work, but also an engineer’s perspective.

“Engineering is all about examining a complex problem and thinking, ‘I bet we can fix that,’” explained Dr. DeLorenzo in an email. “Biomedical engineering takes it to a new level.”

Indeed, Dr. DeLorenzo specializes in brain imaging, using positron emission tomography, among other techniques, to understand and differentiate the factors that might contribute to depression and to develop ways to treat specific subtypes of the mental health disease.

Dr. Ramin Parsey, who mentored Dr. DeLorenzo and is professor and Della Pietra Chair of Biomedical Imaging at Stony Brook, believes she will help define the subtypes of depression by imaging the brain.

For Dr. DeLorenzo, the abundance of discussion in the popular and scientific literature that currently attributes the progression of depression to a host of causes, from eating the wrong foods to not exercising enough to not getting the right amount of sleep, doesn’t offer much clarity.

“We see a million articles about what causes depression and they don’t all agree,” said Dr. DeLorenzo. “Depression is caused by a bunch of different things, which is not all that helpful when you’re the person suffering.”

In her brain studies, Dr. DeLorenzo has looked at inflammation and neurotransmitter systems. The goal of her work is to find “whatever is outside the normal range in the person with depression and treat” that potential cause, she said. High levels of inflammation might suggest an anti-inflammatory treatment.

When people receive a major depressive disorder diagnosis, they often are prescribed a selective serotonin reuptake inhibitor, or SSRI. This enables the neurotransmitter serotonin to remain in the brain for a longer period of time.

“It’s great that it works in a subset of people” for whom it is effective, Dr. DeLorenzo said. “We would like to know beforehand if we give this medication will it work for you, specifically.”

In one of her studies, Dr. DeLorenzo uses positron emission tomography, or PET scans, to search for signs of inflammation. She is looking for translocator proteins, which is a marker of inflammation. Reactive glial cells in the brain, which are an important supporting part of the nervous system that don’t have axons and dendrites like nerve cells, increase the production of these proteins during some depression and other disorders.

The level of these translocator proteins increase in glial cells when the brain is having an inflammatory response, which likely occurs in a subtype of depression as well as in other diseases.

Dr. DeLorenzo has a PET tracer that sticks to that protein and that gives off a signal to the camera, which enables her to quantify the inflammation.

At this point, she and her collaborators, including co-Principal Investigator Dr. Parsey and Dr. Stella Tsirka, Professor of Pharmacological Sciences at Stony Brook, are recruiting a collection of patients with depression. They are testing the idea that people with higher inflammation are better treated with an anti-inflammatory. They are using PET to see who has high or low inflammation prior to treatment. During the study, the researchers will determine if those with the highest inflammation had the best response.

Dr. Tsirka’s lab uses animal models to understand mechanisms of disease and experiment on treatment, while Dr. DeLorenzo uses neuro-imaging in human patients to understand and treat pathology.

“Our preclinical results certainly support the idea of the neuro-inflammation hypothesis of depression” and suggest potential ways to interfere with the process in preclinical models, Dr. Tsirka explained in an email.

Dr. Tsirka, who has been working for Dr. DeLorenzo for over three years, described her colleague as “enthusiastic, rational creative and hard working” and believed imaging could provide a way to verify efficient treatment of depression.

By understanding the biology of the brain, Dr. DeLorenzo hopes to address a range of questions that might affect the disease.

In other work, Dr. DeLorenzo is exploring the possibility that a disruption in glutamate leads to circadian and mood dysfunction in a subtype of depression.

In some studies with glutamate, researchers assessed mood before and after sleep deprivation. They found that sleep deprivation provided an antidepressant effect in about 40 percent of patients with Major Depressive Disorder.

A healthy person would typically become tired and angry after staying awake for 36 straight hours. Some people with this form of depression, however, see an improvement in their mood after staying up for so many hours.

“Something about sleep deprivation causes an antidepressant effect in some people,” Dr. DeLorenzo said. “We don’t know what that is.”

The antidepressant effect can be short lived, although about 10 percent of people have benefits that last as long as a few weeks.

To be sure, Dr. DeLorenzo cautioned that no one is “advocating just doing sleep deprivation” or even a continuous cycle of partial sleep deprivation.

Born and raised in Bay Ridge, Brooklyn, Dr. DeLorenzo earned her undergraduate and Master’s Degrees at Dartmouth College. She earned her PhD from Yale University, where she started her brain imaging work.

When Parsey left Columbia to join Stony Brook in 2012, Dr. DeLorenzo moved with him, even though her commute from Queens was three hours each way.

“She never complained” about her travels, Dr. Parsey marveled. In fact, Dr. DeLorenzo uses the commuting time to read papers and prepare emails.

Dr. Parsey admired Dr. DeLorenzo’s dedication to teaching and mentoring students in her lab. In her first summer, she took on 17 interns. “This is the kind of stuff that nobody else I know does,” Dr. Parsey marveled.

As for her work, Dr. DeLorenzo believes understanding sub-categories of mental health will follow the same pattern as cancer research. “Back in the day, we used to say, ‘Someone has cancer or a tumor.’ Now, we say that that tumor has this genetic marker, which is what we’re going to target when we treat it.”

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Three long-finned pilot whales. Photo by Andrew Sutton/ Shutterstock
From left, Lesley Thorne, Eleanor Heywood and Julia Stepanuk. Photo by Julia Stepanuk
Lesley Thorne on a research ship in the Antarctic. Photo from Lesley Thorne
Lesley Thorne in the Antarctic. Photo from Lesley Thorne
Lesley Thorne with black-browed albatross in the Falkland Islands. Photo from Lesley Thorne

By Daniel Dunaief

Long-finned pilot whales can’t stand the heat, so they are heading north.

Amid increases in ocean temperatures caused by global warming, long-finned pilot whales have moved the center of their range to the north, according to a 25-year study Lesley Thorne, Assistant Professor in the School of Marine and Atmospheric Sciences at Stony Brook University and Janet Nye, Associate Professor at the University of North Carolina Institute of Marine Sciences and Adjunct Professor of SoMAS, recently published in the journal Scientific Reports.

What’s more, these whales are swimming farther north despite the fact that some of their prey, including fish and invertebrates such as squid, aren’t shifting as far north, while others are moving into deeper offshore waters.

That could have broad ecological consequences for both regions, as whales may head towards areas to compete against other predators for the same prey, while some fish populations in deeper waters offshore may increase, putting pressure on the creatures that live in those areas.

“We know that different species are responding in different ways to climate change,” Thorne said. “That will impact all the dynamics” including food webs and competition. 

Climate change may change the predator-prey dynamics in unexpected ways, Nye explained in an email. “We know that it would be wrong to assume that all species would shift at the same rate in response to changing environmental patterns, but this is one of a growing number of papers to illustrate that the rate at which individual species” in different feeding groups changes can be different, which alters the way ecosystems function.

Nye explained that researchers don’t yet have a good sense of how such mismatches would affect productivity of fisheries or the ecosystem as a whole, but they are “working on answering those questions with food web models and climate models.”

To be sure, Thorne indicated that the researchers would need considerably more data to validate any ecological conclusions, as they only looked at one species of whale and four main prey species.

“Understanding the specifics of the broader implications for a location would require looking at a range of important predator and prey species and assessing how the strength of interactions” might be affected by their responses to climate change, she said.

According to Thorne, this study and others suggested that species characteristics such as body size, mobility, thermoregulatory strategy and longitudinal range, in addition to the speed of change in the climate, can help predict the responses of marine species to climate change.

Whales such as the long-finned pilot whale examined in this study are challenging to observe because they have wide geographic ranges, could be difficult to track, and spend most of their time underwater, where they are difficult to see or track.

Additionally, even people with considerable maritime experience sometimes have difficulty differentiating between the long finned pilot whale and the short finned pilot whale, which are different species.

To address the central range of these long-finned pilot whales, Thorne and Nye used two data points: strandings, when whales strand on land, and bycatches, when people catching other fish with bottom trawls also bring up these whales in their nets.

Bycatches occur in part because pilot whales and other cetaceans depredate fishing gear, removing fish from fishing lines or trawls, which presents an easier meal than searching for food themselves. These whales, however, sometimes get caught in the nets themselves. 

People in the fisheries business sometimes use acoustic deterrents to keep the whales away. These efforts, however, can backfire, as the whales hear these sounds as something akin to a dinner bell and head for nets that could inadvertently trap them.

Strandings data is useful for looking at trends in the distribution of cetaceans because networks provide standardized observations throughout the coastline, dating back for decades.

Thorne is in the process of looking at strandings data more broadly. Her team is also looking at strandings of odontocete, or toothed whale, species along the east coast of the United States more broadly. She will also examine whether short-finned pilot whales, which are adapted to warmer waters, show similar trends.

“We are already examining the strandings data and testing our hypothesis that fish species may be shifting both horizontally (latitudinally or north-south) and/or shifting vertically (in depth),” Nye wrote. “I suspect that are doing a bit of both.”

Strandings represented about two thirds of the data in this study, while bycatch constituted the rest.

The shift in the central range represents a fairly dramatic geographic change in the center of the whale range and was considerably higher than that observed for their prey species.

Nye, who worked at Stony Brook from 2012 to 2020, said she was “shocked” that pilot whales were shifting much faster than the fish species, mostly because she knows how much the distribution of many species has changed over the last half century in the northeastern United States.

Whales are heading in the opposite direction that Thorne took in her career path. Thorne grew up in Kingston, Ontario and did her undergraduate work at the University of Guelph. She earned her PhD from Duke University and started as a lecturer at Stony Brook and was offered a tenure track position three years later.

During college. Thorne spent three years at the Huntsman Marine Science Center on the Bay of Fundy. Seeing the impact of the tides in the bay and taking field courses was “amazing,” she said. She first started working with whales at a research station on Grand Manan Island in the Bay of Fundy in future years.

Married to Bernd Distler, who is a surface materials engineer, Thorne and her husband have a four-year- old daughter Annika and two-year- old daughter Franka.

As for what her work tells her about the changing world, Thorne said it was sobering to see first hand the rapid changes in temperature occurring in the Northeast and, specifically, in New York.

This kind of study, along with others that highlight the increases in temperature, should be “more than enough information” to encourage action, she said.

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David McCandlish, center, with postdoctoral researchers Anna Posfai and Juannan Zhou. Photo by Gina Motisi, 2020/ CSHL

By Daniel Dunaief

If cancer were simple, scientists would have solved the riddle and moved on to other challenges.

Often, each type of the disease involves a combination of changes that, taken together, not only lead to the progression of cancer, but also to the potential resistance to specific types of treatment.

Using math, David McCandlish, Assistant Professor at Cold Spring Harbor Laboratory, is studying how the combination of various disruptions to the genome contribute to the development of cancer.

McCandlish recently published a study with colleagues at Cold Spring Harbor Laboratory in the journal Proceedings of the National Academy of Sciences.

David McCandlish. Photo by Gina Motisi, 2020/CSHL

The research didn’t explore any single type of cancer, but, rather applied the method looking for patterns across a range of types of cancers. The notion of understanding the way these genetic alterations affect cancer is a “key motivating idea behind this work,” McCandlish said.

So far, the method has identified several candidates that need further work to confirm.

“Cancer would be a lot easier to treat if it was just one gene,” said Justin Kinney, Associate Professor at CSHL and a collaborator on the work. “It’s the combination that makes it so hard to understand.”

Ultimately, this kind of research could lead researchers and, eventually, health care professionals, to search for genetic biomarkers that indicate the likely effect of the cancer on the body. This disease playbook could help doctors anticipate and head off the next moves with various types of treatments.

“This could potentially lead to a more fundamental understanding of what makes cancer progress and that understanding would very likely open up new possibilities in cancer treatments,” Kinney said.

To be sure, at this point, the approach thus far informs basic research, which, in future years, could lead to clinical improvements.

“We are working on this method, which is very general and applicable to many different types of data,” McCandlish said. “Applications to making decisions about patients are really down the road.”

McCandlish described how he is trying to map out the space that cancer evolves in by understanding the shape of that space and integrating that with other information, such as drug susceptibility or survival time.

“We are trying to ask: how do these variables behave in different regions of this space of possibilities?” he said.

McCandlish is making this approach available to scientists in a range of fields, from those scientists interpreting and understanding the effects of mutations on the development of cancer to those researchers pursuing a more basic appreciation of how such changes affect the development and functioning of proteins.

“This is accessible to a wide array of biologists who are interested in genetics and, specifically in genetic interactions,” said McCandlish.

The main advance in this research is to take a framework called maximum entropy estimation  and improve its flexibility by using math to capture more of the underlying biological principals at work. Maximum entropy estimation is based on the idea of inferring the most uniform distribution of behaviors or outcomes with the least information that’s compatible with specific aspects of experimental observations.

Using this philosophy, scientists can derive familiar probability distributions like the bell curve and the exponential distribution. By relaxing these estimates, scientists can infer more complicated shapes.

This more subtle approach enhances the predictive value, which captures the distributions of data better, McCandlish explained. “We’re trying to capture and model cancer progression in a new and more expressive way that we hope will be able to tell us more about the underlying biology.”

The idea for this paper started when McCandlish, Kinney and  Jason Sheltzer, a former fellow at Cold Spring Harbor Laboratory and a current Assistant Professor of Surgery at Yale School of Medicine, discussed the possibilities after McCandlish attended a talk by Wei-Chia Chen, a post doctoral researcher in Kinney’s lab.

Chen will continue to pursue questions related to this effort when he starts a faculty position in the physics department at National Chung Cheng University in Taiwan this spring.

Chen will use artificial intelligence to handle higher dimensional data sets, which will allow him “to implement effective approximations” of the effect of specific combinations of genetic alterations, Kinney said.

Kinney believes teamwork made this new approach, which the high-impact, high-profile journal PNAS published, possible.

“This problem was an absolutely collaborative work that none of us individually could have done,” Kinney said. He described the work as having a “new exploratory impact” that provides a way of looking at the combination of genomic changes that “we haven’t had before.”

Working at Cold Spring Harbor Laboratory, which McCandlish has done since 2017, enables collaborations across different disciplines.

“We have this quantitative biology group, we also have people working on neuroscience, cancer, and plant biology,” McCandlish added.

McCandlish is also currently also working with Professor Zachary Lippman and his graduate student Lyndsey Aguirre to understand how multiple mutations interact to influence how the fruit on tomato plants develop.

“The idea is that there are these huge spaces of genetic possibilities where you can combine different mutations in different ways,” McCandlish explained. “We want to find those key places in that space where there’s a tipping point or a fork in the road. We want to be able to identify those places to follow up or to ask what’s special about this set of mutations that makes it such a critical decision point.”

A native of Highland Park, New Jersey, McCandlish was interested in math and science during his formative years. 

As for the work, McCandlish appreciates how it developed from the way these collative researchers interacted.

“This would never have happened if we weren’t going to each other’s talks,” he said.

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Qingyun Li. Photo by Xuecheng Chen

By Daniel Dunaief

Qingyun Li has a plan for carbon dioxide.

The newest hire in the Department of Geosciences at Stony Brook University, Li, who is an assistant professor, is a part of a team exploring carbon capture and storage.

“My work is expected to help reduce the amount of carbon dioxide released into the atmosphere,” Li said. It will “help people find ways to promote carbon dioxide mineralization for safer carbon dioxide storage” below the ground. While her work will help promote carbon storage, it doesn’t include capturing and transporting the gas.

By selecting sites carefully, researchers can store carbon dioxide for geologically long periods of time.

While carbon sequestration occurs on the scale of kilometers, Li often works on a minuscule level, at the nanometer to centimeter scale. Smaller scale alterations affect properties such as the permeability of the rock formation.

Li is trying to predict nucleation of a certain mineral in her computer models. She has done that for carbonate minerals, which could be what carbon dioxide becomes after it is stored in geologic formations.

A similar process of nucleation occurs in clouds, when fine particles form the nuclei around which gases condense to form water or ice.

Li used a small angle x-ray scattering synchrotron to explore important details about each particle. This technique, which doesn’t look directly at the particles, reveals through data analysis the particle’s shape, size and surface morphology and, eventually, the rate at which nucleation occurs.

For carbon dioxide sequestration, the minerals that provide nucleation start at the nanoscale, which give them a high specific surface area.

“That matters for later reactions to generate carbonate minerals,” Li said. “That’s one reason we care about the nanoscale phenomenon. The bulk minerals are generated starting from the nanoscale.” 

A larger surface area is necessary in the beginning to lead to the next steps.

Li’s work involves exploring how carbonate starts to form. Her earlier efforts looked at how calcium carbonate forms in the aqueous or water phase.

Carl Steefel, Head of the Geochemistry Department at the Lawrence Berkeley National Laboratory in California, worked with Li during her PhD research at Washington University in St. Louis. Steefel believes her research will prove productive.

“She has an approach to science that combines that one-of-its-kind capabilities for studying nucleation with a deep understanding of modeling and how these open systems involving flow and transport work,” Steefel said. “The combination of these unique capabilities, in nucleating and in understanding reactive transport modeling, will put her a very good position.”

As of now, Li plans to study carbon sequestration in natural gas formations in shale, which has nanometer sized pores. The particles can change the permeability of the rock.

Some companies, like British Petroleum and ExxonMobil, have started to explore this method as a way to reduce their carbon footprint.

While geologic carbon sequestration has shown promising potential, Li believes the process, which she said is still feasible, could be decades away. She said it may need more policy support and economic stimuli to come to fruition.

Part of the challenge is to incorporate such carbon sequestration in the established market.

Scientists working in this field are eager to ensure that the stored carbon dioxide doesn’t somehow return or escape back into the atmosphere.

“People are actively investigating possible leakage possibilities,” Li wrote in an email. “We try to design new materials to build wells that resist” carbon dioxide deterioration.

Controlling pressure and injection rates could prevent various types of leaks.

In her earlier studies, Li explored how cement deteriorates when contacted with carbon dioxide-saturated brine. She hoped to find cracks that had self-healing properties. Other studies investigated this property of concrete.

It’s possible that a mineral could form in a fracture and heal it. In natural shale, scientists sometimes see a fracture filled with a vein of carbonate. Such self healing properties could provide greater reassurance that the carbon dioxide would remain stored in rocks below the surface. Li hopes to manage that to inhibit carbon dioxide leakage.

The assistant professor grew up in Beijing, China, studied chemistry and physics in college. She majored in environmental sciences and is eager to apply what she learned to the real world.

For her PhD, Li conducted research in an engineering department where her advisor Young-Shin Jun at Washington University in St. Louis was working on a project on geologic carbon dioxide sequestration. 

In her post doctoral research at SLAC National Accelerator Laboratory, which is operated by Stanford University, Li explored mineral reactions in shale, extending on the work she did on mineral reactions in concrete as a graduate student. She sought to understand what happens after hydraulic fracturing fluids are injected into shale. These reactions can potentially change how easily the mix of gas and oil flow through a formation.

With Stony Brook building a lab she hopes is finished by next spring, Li plans to hire one graduate student and one post doctoral researcher by next fall.

She is teaching a course related to carbon sequestration this semester and is looking for collaborators not only within geoscience but also within material science and environmental engineering.

Li is looking forward to working with other researchers at the National Synchrotron Lightsource 2 at Brookhaven National Laboratory, which provides beamlines that can allow her to build on her earlier research.

Li and her husband Xuecheng Chen, who are renting an apartment in South Setauket and are looking for a home close to campus, have a three-year old son and an 11-month old daughter.

Outside the lab, Li enjoys quality time with her family. A runner, Li also plays the guzheng, which she described as a wooden box with 21 strings.

Steefel, who wrote a letter to Stony Brook supporting Li’s candidacy to join the Geosciences Department, endorsed her approach to science.

“She’s very focused and directed,” Steefel said. “She’s not running the computer codes as black boxes. She’s trying to understand what’s going on and how that relates to her experiments and to reality.”

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Above, an AI-Grid prototype that is being built by the research team. Image courtesy of Stony Brook Power Lab

By Daniel Dunaief

The Department of Energy is energized by the possibility of developing and enhancing microgrids.

What are microgrids? They are autonomous local power systems that have small, independent and often decentralized energy sources. Often, they use renewable energy, like wind or solar power, although some use natural gas or diesel.

The DOE’s dedication to developing these microgrids may cut costs, create efficiencies and enhance energy reliability.

Peng Zhang. Photo from SBU

Peng Zhang, SUNY Empire Innovation Professor in the Department of Electrical and Computer Engineering at Stony Brook University, is leading a diverse team of researchers and industry experts who received $5 million of a $50 million investment the DOE recently made to developing, enhancing and improving microgrid technology.

Bringing together these energy experts, Zhang hopes to use artificial intelligence to create a usable, reliable and efficient source of energy, particularly during periods of power outages or disruption to the main source of energy.

“The traditional microgrid operation is based on models and human operators,” Zhang said. “We developed this data-driven or AI-based approach.”

Artificial intelligence can enhance the safety and reliability of microgrids that can receive and transmit power.

One of the objectives of the systems Zhang and his collaborators are developing will include protecting the power supplies against faults, accidents from natural disasters and cyberattacks.

“This project led by Professor Zhang is a great example demonstrating the impact of this novel research on essential infrastructure that we rely on daily,” Richard Reeder, Vice President for Research at Stony Brook University, said in a statement.

Zhang said he has verified the methods for this AI-driven approach in the lab and in a simulation environment.

“Now, it’s time to demonstrate that in more realistic, microgrid settings,” he said. He is working with microgrid representatives in Connecticut, Illinois and New York City. His team will soon work with a few representative microgrids to establish a more realistic testing environment.

The urgency to demonstrate the feasibility of this approach is high. “We need to kick the project off immediately,” said Zhang, whose team is recruiting students, postdocs, administrative staff and technicians to meet a two-year timeline.

The group hopes AI-grids can be used in different microgrids around the country. If the platform is generic enough, it can have wide applications without requiring significant modifications.

While operators of a microgrid might be able to know the ongoing status, they normally are not able to respond to contingencies manually. “It’s impossible for the operator to know the ongoing status” of power sources and power use that can change readily, Zhang explained. “That’s why we had to rely on a data driven approach.”

Additionally, end users of electricity don’t necessarily want their neighbors to know about their power needs. They may not want others who are using the same microgrid system to know what appliances or hardware are in their homes.

Instead, the system will rely on the data collected within each microgrid, which reflects the behavior at different intervals. Those energy needs can change, as people turn on a TV or unplug a wind turbine.

At the same time, the power system load and generation need to remain in balance. Microgrids that produce more energy than the system or end users need can send them to a utility grid or to neighboring microds or communities. If they don’t send that energy to others who might use it, they can lose some of that energy.

Power needs to be balanced between supply and demand. Storage systems can buffer an energy imbalance, although the cost of such storage is still high. Researchers in other departments at Stony Brook and Brookhaven National Laboratory are pursuing ways to improve efficiencies and reduce energy storage costs.

Balancing energy is challenging in most microgrids, which rely on intermittent and uncertain renewable energy sources such as sunlight. In this project, Zhang plans to connect several microgrids together into a “mega microgrid system,” that can allow any system with a surplus to push extra energy into one with a deficiency.

Microgrids aren’t currently designed to replace utilities. They may reduce electricity bills during normal operations and can become more useful during emergencies when supplies from utilities are lower.

While artificial intelligence actively runs the system, people are still involved in these programmable microgrids and can override any recommendations.

In addition to having an alarm in the event that a system is unsafe or unstable, the systems have controllers in place who can restore the system to safer functioning. The programming is flexible enough to change to meet any utility needs that differ from the original code.

In terms of cybersecurity, the system will have three lines of defense to protect against hacking.

By scanning, the system can localize an attack and mitigate it. Even if a hacker disabled one controller, the control function would pop up in a different place to replace it, which would increase the cost for the attacker.

Stony Brook created a crypto control system. “If an attacker got into our system, all the information would be useless, because he would not understand what this signal is about,” Zhang said.

While he plans to publish research from his efforts, Zhang said he and others would be careful in what they released to avoid providing hackers with information they could use to corrupt the system.

For Zhang, one of the appeals of coming to Stony Brook, where he arrived two years ago and was promoted last month to Professor from Associate Professor, was that the university has one of the best and best-funded microgrid programs in the country.

Zhang feels like he’s settled into the Stony Brook community, benefiting from interacting with his neighbors at home and with a wide range of colleagues at work. He appreciates how top scholars at the Massachusetts Institute of Technology, Harvard and national labs have proactively approached Stony Brook to establish collaborations.

Zhang is currently discussing a Phase II collaboration on a microgrid project with the Navy, which has funded his research since his arrival. “Given the federal support [from the Navy], I was able to recruit top people in the lab,” he said, including students from Columbia and Tsinghua University.

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David Thanassi. Photo by Jeanne Neville
*Please note: This article was updated on Oct. 15 to include a reference to former President Bill Clinton (D) in the fifth paragraph.

By Daniel Dunaief

David Thanassi wants to give dangerous bacteria in the kidney a haircut.

No, not exactly, but Thanassi, Zhang Family Professor and Chair of the Department of Microbiology and Immunology at the Renaissance School of Medicine at Stony Brook University, has studied how hair-like structures called P pili in the bacteria Escherichia coli are assembled on the bacterial surface. 

These pili allow bacteria to hang on to the walls of the kidney, where urine would otherwise flush them out.

Learning about pili at different stages of development could provide a way to keep them from attaching themselves to the kidney and from entering the bloodstream, which could lead to the potentially lethal problem of bacterial sepsis. Indeed, this week, former President Bill Clinton (D) checked into the intensive care unit at the University of California Irvine Medical Center after a urinary tract infection spread to his bloodstream.

“We have been looking at this as a really important aspect of initiating infection from a bacteria’s point of view,” Thanassi said. “How do they build these structures” that lead to infection and illness?

Recently, Thanassi published the structure of these pili in the journal Nature Communication.

The current work builds on previous efforts from Thanassi to determine the structure of these pili in the bladder. He has been exploring how the thousands of proteins that make up the pili get transported and assembled in the correct order. “If we can understand that aspect, we can disrupt their assembly or function,” he said.

Urinary tract infections are a major infectious disease, particularly for women. Indeed, about half of all women will have at least one urinary tract infection, which can be uncomfortable and can require some form of medication. 

In some cases, the infections can be recurrent, leading to frequent infections and the repeated need for antibiotics.

The bacteria that cause these infections can become resistant to antibiotics, increasing the importance of finding alternative approaches to these infections, such as interfering with pili.

To be sure, the solution to reducing the bacteria’s ability to colonize the kidney or urinary tract would likely require other steps, as these invaders have additional ways beyond the pili to colonize these organs. Nonetheless, disrupting the way they adhere to the kidney could be a constructive advance that could lead to improved infection prevention and treatment.

One likely strategy could involve using an anti-pilus treatment in combination with other antibiotics, Thanassi explained.

For people who have recurrent infections, anti-pilus therapeutics could offer a solution without resorting to long-term antibiotics.

In his lab, Thanassi is interested in small molecules or chemicals that would disrupt the early stage in pili assembly. “We think of these as protein-protein interactions that are required to build these” pili, he said.

By using a fluorescence reporter, Thanassi and his colleagues can screen libraries of chemicals to determine what might inhibit the process.

As with many biological systems, numerous compounds may seem appropriate for the job, but might not work, as medicine often requires a specific molecule that functions within the context of the dynamic of a living system.

For the helpful bacteria in the gut, pili are not as important as they are for the harmful ones in the kidney, which could mean that an approach that blocked the formation of these structures may not have the same intestinal and stomach side effects as some antibiotics.

To determine the way these pili develop structurally, Thanassi and his lab used molecular and biochemical techniques to stop the assembly of pili at specific stages.

Bacteria assemble these pili during the course of about 30 minutes. An usher proteins serves as the pilus assembly site and pilus secretion channel in the bacterial outer membrane. The usher acts as a nanomachine, putting the pilus proteins into their proper order. A chaperone protein brings the pilus subunits to the usher protein.

In their development, the pili require a protein channel, which is an assembly site.

Thanassi started by working on the usher protein in isolation. The usher proteins function to assemble the thousands of pilus subunits that make up each pilus fiber. The process also involves chaperone proteins, which bind to nascent subunit proteins and help the subunits fold. The chaperone then delivers the subunit proteins to the usher for assembly into the pilus fiber. He used molecular and biochemical methods to express and purify the usher protein.

The assembly process involves interactions between chaperone-subunit complexes and the usher. Over the years, Thanassi has determined how the different proteins work together to build and secrete a pilus.

He was able to force the bacteria to express only one version of the assembly step and then isolate that developmental process.

The majority of the pilus is like a spring or a coil, which can stretch and become longer and straighter to act as a shock absorber, allowing the bacteria to grab on to the kidney cells rather than breaking.

Other researchers are studying how they might make the pili more brittle, preventing that spring-like action from working and compromising its ability to function.

“We’re trying to prevent the pili from assembling in the first place,” Thanassi explained. “Our approach is to try and get molecules that prevent the interaction from occurring.” He is looking at the specific function of one molecule that prevents the usher assembly platform from developing properly, which would wipe out the assembly site.

Thanassi credits former Stony Brook Professor Huilin Li, who is now Chair in the Department of Structural Biology at the Van Andel Institute in Grand Rapids, Michigan, with providing structural insights from his work with the cryo-electron microscoipe. The technology has “revolutionized the work we do,” said Thanassi.

Residents of Smithtown, Thanassi and his wife Kate Kaming, who is Senior Director of Cancer Development at Northwell Health Foundation, have two children. Joseph, 22, attends Northeastern University. Miles, 20, is studying at the Massachusetts Institute of Technology.

Thanassi grew up in South Burlington, Vermont and is an avid skier. He also enjoys mountain biking, walking and music.

Thanassi hopes this latest structural work may one day offer help either with the prevention of infections or with their treatment.

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A TRACER site similar to this one in Argentina is being constructed in Pearland, Texas. Photo courtesy of ARM

By Daniel Dunaief

Before they could look to the skies to figure out how aerosols affected rainclouds and storms around Houston, they had to be sure of the safety of the environment on the ground.

Researchers from several institutions, including Brookhaven National Laboratory, originally planned to begin collecting data that could one day improve weather and even climate models on April 15th of this year.

The pandemic, however, altered that plan twice, with the new start date for the one-year, intensive cloud, study called TRACER, for Tracking Aerosol Convection Interactions, beginning on Oct. 1st.

The delay meant that the “intensive observational period was moved from summer 2021 to summer 2022,” Michael Jensen, the Principal Investigator on Tracer and a meteorologist at Brookhaven National Laboratory, explained in an email.

Scientists and ARM staff pose during planning for TRACER (left to right): Iosif “Andrei” Lindenmaier, ARM’s radar systems engineering lead; James Flynn, University of Houston; Michael Jensen, TRACER’s principal investigator from Brookhaven National Laboratory; Stephen Springston, ARM’s Aerosol Observing System lead mentor (formerly Brookhaven Lab, now retired); Chongai Kuang, Brookhaven Lab; and Heath Powers, site manager for the ARM Mobile Facility that will collect measurements during TRACER. (Courtesy of ARM)

At the same time, the extension enabled a broader scientific scope, adding more measurements for the description of aerosol lifecycle and aerosol regional variability. It also allowed the researchers to include air quality data, funded by the National Aeronautics and Space Administration and urban meteorology, funded by the National Science Foundation.

The primary motivation for the project is to “understand how aerosols impact storms,” Jensen explained in a presentation designed to introduce the TRACER project to the public.

Some scientists believe aerosols, which are tiny particles that can occur naturally from trees, dust and other sources or from man-made activities like the burning of fossil fuels, can make storms stronger and larger, causing more rain.

“There’s a lot of debate in the literature” about the link between aerosols and storms, Jensen said.

Indeed, there may be a “sweet spot” in which a certain number or concentration of aerosols causes an invigoration of rainstorms, while a super abundance beyond that number reverses the trend, Jensen added.

“We don’t know the answers to those questions,” the BNL scientist said. “That’s why we need to go out there and take detailed measurements of what’s going on inside clouds, how precipitation particles are freezing or melting.”

Even though aerosols are invisible to the naked eye, they could have significant impacts on how mass and energy are distributed in clouds, as well as on broader atmospheric processes that affect weather patterns.

The TRACER study, which is a part of the Department of Energy’s Atmospheric Radiation Measurement, or ARM, user facility, could “help forecast heavy rains that can cause flash flooding,’ said Chongai Kuang, atmospheric scientist and TRACER co-investigator at BNL.

The TRACER study will explore the way sea and bay breeze circulations affect the evolution of deep convective storms as well as examining the influence of urban environments on clouds and precipitation.

Several additional funding agencies have stepped in to address basic scientific questions, including the National Aeronautics and Space Administration’s efforts to address air quality issues in Houston and the Texas Commission on Environmental Quality, which funded a study on ozone and low-level atmospheric mixing.

“Our original TRACER field campaign provided a seed for what is now a major, multi-agency field campaign with a significantly expanded scientific scope,” Jensen explained in an email.

A joint team from BNL and Stony Brook University is developing new software to scan the precipitation radar system to select and track storm clouds to observe the rapid development of these storms. Additionally, aerosol instrumentation will help provide updated information on the precursor gases and the smallest aerosol particles at the earliest stages of the aerosol cycle, Jensen explained.

Ultimately, the data that these scientists gather could improve the ability to forecast storms in a range of areas, including on Long Island.

“Understanding sea breezes and the coastal environment is a very important aspect of TRACER,” Jensen said. “Even though it’s not the preliminary focus, there’s an opportunity to learn new science, to improve weather forecasting and storm forecasting for those coastal environments.”

Researchers chose Houston because of their desire to study a more densely populated urban area and to understand the way numerous factors influence developing clouds, weather patterns and, ultimately, the climate.

“We know the urban environment is where most people live,” Jensen said. “This is taking us in new directions, with new opportunities to influence the science” in these cities.

Researchers plan to collect information about clouds, aerosols and storms everywhere from ground-based instruments stationed at four fixed sites, as well as through mobile facilities, to satellite images.

The program operates a tethered balloon which is “like a big blimp that goes up half a mile into the atmosphere,” said Heath Powers, the Atmospheric Radiation Measurement facility site manager for Tracer from Los Alamos National Laboratory.

The tethered balloon is located at Smith Point, Texas, on the eastern shore of Galveston Bay and will do low-level profiling of aerosols, winds, thermodynamics and ozone as it is influenced by bay breeze circulation, Jensen explained.

The National Science Foundation is planning to bring a C-130 plane to conduct overflights, while the group will also likely use drones, Powers added.

The TRACER study will launch around 1,500 weather balloons to gather information at different altitudes. The research will use over four dozen instruments to analyze meteorology, the amount of energy in the atmosphere and the air chemistry.

“Clouds are the big question,” Powers said. “Where they form, why they form … do they rain or not rain. We are well-positioned to get at the core of a lot of this” through the information these scientists gather.

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Dave Tuveson. Photo by Gina Motisi/CSHL

By Daniel Dunaief

While one bad apple might spoil the bunch, the same might be true of one bad cancer gene.

Cold Spring Harbor Laboratory’s Cancer Director Dave Tuveson and Derek Cheng, who earned his PhD from Stony Brook University while conducting research in Tuveson’s lab, recently explored how some mutant forms of genes in pancreatic cancer can involve other proteins that also promote cancer.

A gene well-researched in Tuveson’s lab, mutated KRAS promotes cell division. Mutant versions of this gene continue to produce copies of themselves, contributing to cancer.

Derek Cheng

Turning off or blocking this gene, however, doesn’t solve the problem, at least not in the laboratory models that track a cancer cell’s response.

In laboratory models of pancreatic cancer, a disease for which the prognosis is often challenging, other proteins play a role, creating what researchers call an “adaptive resistance” to chemotherapy.

In a paper published in the journal Proceedings of the National Academy of Sciences, Cheng, who is the first author and is currently in his final year of medical school at the Stony Brook Renaissance School of Medicine, and Tuveson showed that a protein called RSK1 interacts at the membrane with mutated KRAS. When KRAS is inhibited, the RSK1 protein, which normally keeps RAS proteins dormant, becomes more active.

“If you antagonize KRAS, you would get a rebound” as the cancer cells develop a resistance to the original drug, Tuveson said. “We found a feedback loop.”

The research “focused on identifying protein complexes with oncogenic KRAS that would potentially be relevant in pancreatic cancer,” Cheng explained in an email. “My work suggests that an RSK1/NF1 complex exists in the vicinity of oncogenic KRAS.”

While Cheng was able to show that the role of membrane-localized RSK1 provided negative regulation of wild-type RAS, it “remains to be studied what the role of the RSK1 at the membrane [is] in the context of oncogenic KRAS.”

KRAS is a molecular switch that turns on and off with the help of other proteins. With certain mutations, the switch doesn’t turn off, continuing to signal for copying and dividing, which are hallmarks of cancer cells. With specific activating mutations, the switch can lose its ability to turn off and constitutively signal for proliferation, metabolic reprogramming, and other behaviors characteristic of cancer cells, Cheng explained.

A cell with an oncogenic KRAS has the tendency to be more fit than a normal cell without one. Such cells will likely grow at a faster rate under stressful conditions, which, over time, can enable them to outcompete normal cells, Cheng continued.

When KRAS is in an oncogenic state, another protein, called RSK1 is hanging around the membrane. RSK1 has several functions and can participate in numerous cellular signaling pathways.

KRAS cytoplasm

While RSK1 is involved in protein translation by phosphorylating S6 kinase, it also has other functions at the plasma membrane, where it shuts down wild type RAS proteins.

Other researchers have suggested a negative feedback for RSK1 and NF1.

“Our contribution demonstrated some relevance of this interaction in pancreatic cancer cells,” Cheng explained in an email.

Cheng said RSK is known to have various effects, depending on the context. In the paper, the scientists showed that RSK has a “negative feedback properties, such as that, upon the removal of mutant KRAS, it has this negative regulatory role.”

Graduate student Sun Kim and post doctoral researchers Hsiu-Chi Ting and Jonathan Kastan are currently exploring whether RSK has a pro-oncogenic function on the membrane in the tumor cell.

So far, these studies suggest that while a direct inhibitor against oncogenic KRAS would likely be the greatest target for an effective therapy, cancer cells may still be able to use signals from other RAS isoforms.

“A combination of targeting KRAS and modulating regulators of RAS such as RSK1/NF1 and SOS1 may enhance therapeutic efficacy,” Cheng suggested.

Cheng is grateful for the opportunity to learn from numerous Tuveson lab members on ways cancer cells differ from healthy cells.

The discovery of the potential roles of RSK1 in cancer provides some possible explanation for the potential resistance mechanisms of mutant KRAS inhibitors.

While he was encouraged that a prestigious journal published the research, Tuveson said he hopes this type of observation “will lead to something that will be useful for a pancreatic cancer patient and not just” provide compelling ideas.

Cheng attended medical school for two years before joining Tuveon’s lab for the next six years.

Cheng defended his thesis in 2020 during the pandemic on a zoom call.

“I was one of the first people to defend with this format for both CSHL and SBU,” Cheng explained. “I was able to invite many friends and family that probably would not have been able to make the trip.”

Cheng’s family has battled cancer, which contributed to his research interests.

When he was an undergraduate, he had an uncle develop glioblastoma, while another uncle and his grandfather developed colon cancer.

“I knew I wasn’t going to be able to do much about their medical condition, but I wanted to work on something that people cared about,” Cheng explained.

Outside of the lab, Cheng enjoys working on his car and his motorcycles. He feels a sense of autonomy working on his own projects.

He’s most proud of a motorcycle for which he rebuilt the front end with parts from another model to outfit a larger brake system.

A native of St. Louis, Cheng is a fan of the hockey team, the Blues. He owns a game-worn jersey from almost every member of the 2019 cinderella team that won the Stanley cup, with some of those jerseys coming from Stanley Cup final games.

Cheng plans to apply to residency in internal medicine this year because he wants to continue applying what he learned in his scientific and medical training.

The clinical work reminds him to treat patients and not just the tumors, while scientific research trained him to loo at evidence and literature carefully to find clinical gaps, he explained.

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Semir Beyaz (center) with research assistant Onur Eskiocak, left, and graduate student Ilgin Ergin. Photo by Gina Motisi/CSHL

By Daniel Dunaief

High fat diets present numerous health problems for humans and mice, which are often used as a model organism to understand disease.

In a recent multi-disciplinary study with mice, Cold Spring Harbor Laboratory Fellow Semir Beyaz and 32 colleagues from 15 other institutions explored how a high fat diet affects the development of intestinal tumors.

Semir Beyaz. Photo by Gina Motisi/CSHL

The diverse team of scientists brought together a range of expertise to discover the way a high fat diet disrupts the cross talk among the microbiome, stem cells and immune cells, triggering tumors through the reduction in the expression of an important gene, called major histocompatibility complex II, or MSC-II.

“This work nicely integrates efforts in stem cell biology, immunology, microbiology and metabolism in the context of understanding how diet is linked to cancer,” Beyaz explained in an email. With such interdisciplinary studies, “we hope to improve our understanding” of the mechanisms that link nutrition to diseases.

The paper, published in Cell Stem Cell, for which Beyaz is the first and corresponding author, shows how a high fat diet leads to immune evasion of tumor initiation stem cells due to the suppression of the immune recognition molecule MHC-II.

At the center of this study, the MHC-II gene encodes a protein that presents antigens, or foreign substances, to the immune system. When a cell is infected or cancerous, immune cells detect the unwelcome agents through their surveillance of MHC molecules, Beyaz said.

A high fat diet also results in the alteration of immune cells in the micro environment and the signals that they produce, called cytokines.

“The novel finding of our study is that the crosstalk between stem cells, microbes and immune cells is critical for eliminating tumor initiating cells and this cross talk is dampened in response to a high fat diet, demonstrating a mechanistic basis for how high fat diets may promote cancer,” said Beyaz.

A current hypothesis, which has some supporting evidence in Beyaz’s study, suggests that diet-related factors might facilitate early onset colorectal cancer.

To be sure, researchers need to conduct more work to understand the environmental factors that facilitate early onset colorectal cancer, Beyaz explained. “The knowledge of what causes early onset colorectal cancer in young adults is very limited,” he added.

Semir Beyaz with visiting clinical researcher Aaron Nizam (left) and research tech Katherine Papciak. Photo by Gina Motisi/CSHL

Beyaz believes diet is one of the most important environmental factors that contribute to cancer risk. Diet could affect sleep, stress and other factors.

“There are so many things we don’t know about how diet affects our body,” he said. “That’s why I’m very excited to work on understanding these mechanisms.”

Beyaz said the mice in his study consumed a lard-based pro-obesity diet that was high in carbohydrates.

A diet that is lower in carbohydrates and higher in fat is more similar to a ketogenic diet, which could have other outcomes. His ongoing studies are trying to tease apart some of these differences.

To counteract the effect of diet on the development of cancer, Beyaz plans to activate the altered pathways by using either microbes or small molecule drugs.

“We believe if we promote immune surveillance by activating these pathways, we can elicit preventative and therapeutic strategies against cancer,” he explained.

Additionally, in his ongoing research, Beyaz plans to address numerous other questions that link diet to disease.

An increasing number of studies are exploring how diet and microbes affect cancer, which he described as a “hot topic.”

Beyaz believes a high fat diet might turn on or off some genetic sequences, enabling the latent development of cancer.

His unique niche involves searching for a connection between diet and perturbations that affect cross talk among cells. While this field has numerous challenges, Beyaz suggested he was “drawn” to that difficulty.

Beyaz’s expertise is in stem cell biology and immunology. He appreciates and enjoys the opportunity to interact with researchers from other disciplines that could lead to actionable progress.

Hannah Meyer. Photo from CSHL

While science has to be reductionistic and focused on one molecule or cells at times, new conceptual and technical advances have made it possible for the lines between disciplines in biology to disappear slowly, he explained.

Beyaz and his colleagues are looking forward to taking some of the next steps in this effort.

For starters, he is excited to expand this study, to understand whether there is a threshold for a high fat diet that favors the growth of tumors. Diets that fall below a potential threshold might not promote the growth or development of tumors.

Such a threshold could become clinically relevant, providing health care workers with a pre-cancerous marker that could signal the need for lifestyle changes and medical vigilance that could stave off or avoid the formation of disease-bearing and life-threatening tumors.

“We have some ongoing work to delineate such thresholds and proxies,” Beyaz said. Additionally, they would like to see whether this effect is reversible, to determine whether an altered microbiome might promote the expression of MHC-II, which could derail the tumor forming process.

Pawan Kumar. Photo from SBU

Beyaz’s collaborators on this work include Hannah Meyer, who is a fellow at Cold Spring Harbor Laboratory Fellow, and Pawan Kumar, who is an Assistant Professor in the Department of Microbiology and Immunology at the Renaissance School of Medicine at Stony Brook University.

In his life outside the lab, Beyaz, who enjoys fishing, gardening, and hiking, avoids excessive sugar and fat consumption. He doesn’t eat fast food or consume sugary drinks.

Originally from the town of Samandag which is near the Mediterranean Sea in the southeastern part of Turkey, Beyaz enjoys cooking and is fond of making lamb, beef, chicken and eggplant kebabs.

When he was growing up, Beyaz said science was a passion for him.

“It is not a job or a career,” he explained. “It is the way I find meaning in life, by learning how to ask and (sometimes) answer questions at the edge of cumulative human knowledge.”

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