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  • Department Chair and Susan Dwight Bliss Professor of Epidemiology (Environmental Health Sciences) and of Ophthalmology and Visual Science and of Environment; Director, Yale Superfund Research Center; Affiliated Faculty, Yale Cancer Center; Affiliated Faculty, Yale Institute for Global Health; Co-Director, Environmental Health Sciences Track, Executive MPH

    Research Interests
    • Mass Spectrometry
    • Ophthalmology
    • Alcoholism
    • Aldehyde Dehydrogenase
    • Diabetes Mellitus
    • Genomics
    • Glutathione
    • Gout
    • Environmental Health
    Vasilis Vasiliou, is Professor and Chair of the Department of Environmental Health Sciences. He received his BSc in Chemistry (1983) and PhD in Biochemical Pharmacology (1988) from the University of Ioannina, Greece. He then trained in gene-environment interactions, molecular toxicology and pharmacogenetics at the Department of Environmental Health in the College of Medicine at the University of Cincinnati (1991-1995). In 1996, he joined the faculty of the University of Colorado School of Pharmacy where he rose through the ranks to become Professor and Director of the Toxicology Graduate Program. Since 2008, he was also Professor of Ophthalmology at the University of Colorado School of Medicine. In July 2014, he joined the faculty of Yale University in his new position.Professor Vasiliou has established an internationally-recognized research program that has been...
  • Nicholas Apostolopoulos

    Medical Student

    Nicholas Apostolopoulos is a medical student at Yale School of Medicine, currently completing his medical school thesis in Dr. Vasilis Vasiliou’s lab since the summer of 2016. His research focuses on understanding the role of corneal crystallins ALDH3A1 and ALDH1A1 in ocular physiology and pathophysiology during oxidative stress. His current project aims to address the biological role of crytallin proteins as metabolic enzymes in cornea, lens and retina by utilizing both Aldh3a1/Aldh1a1 knockout and knock-in mouse models. In addition, he studies the role of glutathione (GSH) in the eye development using a mouse strain in which GSH biosynthesis is selectively abolished in surface ectoderm-derived ocular structures. The results so far suggest that GSH plays a critical role in ocular development, and further studies are underway to identify molecular details involved in this...
  • Associate Research Scientist in Epidemiology (Environmental Health Sciences)

    Research Interests
    • Mass Spectrometry
    • Neurodevelopmental Disorders
    • Fatty Liver, Alcoholic
    • Genomics
    • Lipidomics
    Georgia Charkoftaki received her pharmacy degree from the University of Athens, Greece, where she also earned a MSc in drug delivery and a PhD in biopharmaceutics-pharmacokinetics. In August 2013 she moved to UC Denver to start a postdoc in clinical and translational science, focusing on kidney related diseases. Charkoftaki studied the pharmacokinetics of cyclophosphamide in patients undergoing dialysis and how Vitamin D affects drug metabolism in the kidneys, among other projects. At Yale, she has focused on bile acids and their mechanisms, acting as neuromodulators in alcoholism and neurodevelopmental disorders, as well as studying the role of aldehyde dehydrogenases (ALDHs) in neurodevelopmental disorders. She is leveraging her expertise in mass spectrometry-based omics approaches including metabolomics, lipidomics, and utilizing tissue imaging mass...
  • Research Scientist in Epidemiology (Environmental Health Sciences)

    Research Interests
    • Nervous System Diseases
    • Nutritional and Metabolic Diseases
    • Disorders of Environmental Origin
    • Digestive System Diseases
    Dr. Chen has a broad background in environmental genetics and molecular toxicology, with specific training and expertise in redox biology, oxidative stress related diseases, and transgenic mouse models of redox dysregulation. Her research over the past ten years utilizes unique animal models and applies the system biology approach integrating multi-omics data and histopathology to understand the mechanistic roles of redox homeostasis in disease conditions related to environmental and dietary exposures. How does redox-elicited modifications of the liver proteome tune cellular response to protect against alcohol-associated fatty liver disease?Does oxidative stress play a mutagenic role in emerging water contaminant 1,4-dioxane-induced liver cancerWhat is the functional crosstalk between antioxidants in the central nervous system as they relate to neuronal health and disease?What is...
  • Graduate School Student

    Athina Lisgara is a first-year Ph.D. student in Environmental Health Sciences at Yale School of Public Health. She earned her integrated Master's Degree in Environmental Engineering from University of Patras in Greece, focusing on Environmental Toxicology. For her Ph.D., she uses MALDI imaging mass spectrometry (MALDI MSI) for bottom-up proteomics to study neurodegenerative diseases in the brain. She also explores liver disease by developing novel metabolomic workflows coupled with MALDI MSI and applying deep learning techniques. Athina actively volunteers with Greek Women in STEM and the Yale Undergraduate Mentorship Program.
  • Xiuqi Ma is a Ph.D. student in the Department of Environmental Health Sciences, Yale School of Public Health, New Haven, Connecticut. Ms. Ma graduated from Tongji Medical College, Huazhong University of Science and Technology, China, with a bachelor’s degree in medicine in 2019. Her undergraduate research focused on evaluation of environmental contaminants in the Yangtze River in Wuhan and associated reproductive health effects of metal pollutants among male residents. Now she is investigating ubiquitous environmental pollutants, such as PFAS and air pollution, and their association with liver cancer and other outcomes.
  • Brian Thompson

    Discussion Leader

    Brian Thompson is a second-year doctoral student in Environmental Health Sciences at Yale University where he has gained experience from his teaching fellowship roles in both the Introductory Biostatistics and Introductory Toxicology courses. His research interests include understanding how cells of the central nervous system respond to both endogenous and exogenous stressors. His interest in climate change grew from a belief that climate change is the most consequential problem facing the world in the 21st century. Prior to his doctoral studies, Brian obtained a BS in Biochemistry from the University of Massachusetts Amherst.Ocular development is composed of a carefully orchestrated set of events that are easily perturbed, which results in a syndrome of diseases termed MAC (microphthalmia, anophthalmia and coloboma). For decades, previous research has largely been...