Dr. Eric Nestler: Pioneering Molecular psychiatry
in a recent Genomic Press interview published in Brain Medicine, Dr. Eric J. Nestler reflects on how an early captivation with brain chemistry shaped a worldwide transformation in psychiatric research. As the Anne and Joel Ehrenkranz Dean of the Icahn School of Medicine at Mount Sinai, he describes nearly four decades spent unraveling the molecular processes that explain why drugs and stress influence human behavior.What started as an effort to study basic protein signaling in the laboratory of Nobel laureate Paul Greengard grew into a broad understanding of how life experiences can alter the brain’s genetic activity over time.
Dr. Nestler traces his interest in science back to an unusual home laboratory in the basement of his family’s house in Nassau County, Long Island. Guided by his father, a high school biology teacher in the New York City public school system, he learned how to design and carry out experiments.These projects became award-winning science fair entries and set the stage for an academic path through Yale University, where he earned BA, PhD, and MD degrees while training under Dr. Greengard.
building a New Field in Molecular Psychiatry
His decision to name his research group at Yale Medical School “The Laboratory of Molecular psychiatry” proved remarkably forward-thinking. At a time when applying molecular biology to psychiatric questions was considered bold, Dr. Nestler and colleague Dr. Ron Duman recognized the field was ready for a new scientific direction. The name reflected genuine ambition. Within a few years, he was appointed founding Director of the Division of Molecular Psychiatry at Yale, a role made possible when the sitting Director, Dr. george Heninger, voluntarily stepped aside. Dr. Nestler often recalls this moment as an example of generosity he has tried to extend to younger scientists throughout his career.
Breakthrough Insights Into Brain Adaptation
One of his most influential discoveries involves the transcription factor ΔFosB. This protein accumulates in the brain’s reward circuits during prolonged drug exposure and sustained stress, altering patterns of gene expression in affected neurons. Unlike most proteins that break down quickly, ΔFosB remains active for weeks or months. This unusually long lifespan explains how brief experiences can produce long-lasting changes in mood, motivation, and behavior. researchers worldwide now view ΔFosB as a key contributor to vulnerability to addiction.
The interview highlights the forward-looking scientific dialog that characterizes Genomic Press’s open-access publications, making cutting-edge findings accessible to researchers globally. The association’s commitment to broad, barrier-free dissemination has accelerated progress across multiple branches of medical science.
From Signaling Pathways to
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