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School of Medicine


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  • Branden Tarlow

    Branden Tarlow

    Postdoctoral Medical Fellow, Gastroenterology

    Current Research and Scholarly Interests Physician scientist interested in liver regeneration, cell therapy, and cancer

  • Natalie Torok

    Natalie Torok

    Professor of Medicine (Gastroenterology and Hepatology) at the Stanford University Medical Center

    Current Research and Scholarly Interests Our laboratory has been focusing on the mechanism of liver fibrosis and the role of hepatocyte cell death in fibrogenic injury. We have demonstrated the intricate link between hepatocyte apoptosis, generation of apoptotic bodies and their efferocytosis by stellate cells triggering fibrogenic activation. Key to this was the activation of the NADPH oxidase NOX2 and production of reactive oxidative species inducing stellate cell transdifferentiation and collagen I transcription. We have expanded our work focusing on the role of non-phagocytic NOX4 in dysregulating insulin responses and precipitating ER and mitochondrial stress signaling in non-alcoholic steatohepatitis. We are particularly interested in clinical conditions that are linked to accelerated fibrosis such as during aging and T2DM. Our other major focus is on alcoholic hepatitis, and defining novel therapeutic targets based on sterile inflammatory pathways. Our ultimate goal is translation and developing new treatment approaches that reverse fibrosis and improve patient outcomes.

  • George Triadafilopoulos

    George Triadafilopoulos

    Clinical Professor, Medicine - Gastroenterology & Hepatology

    Current Research and Scholarly Interests My primary research interest concerns factors involved in the pathogenesis of gastro-esophageal reflux disease and its complications, such as Barrett's esophagus and the role of diagnostic and therapeutic modalities in their management.

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