School of Medicine
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Howard Y. Chang, MD, PhD
Virginia and D. K. Ludwig Professor of Cancer Genomics and of Genetics
Current Research and Scholarly Interests Our research is focused on how the activities of hundreds or even thousands of genes (gene parties) are coordinated to achieve biological meaning. We have pioneered methods to predict, dissect, and control large-scale gene regulatory programs; these methods have provided insights into human development, cancer, and aging.
Associate Professor of Medicine (Endocrinology, Gerontology and Metabolism)
Current Research and Scholarly Interests Our lab is interested in understanding molecular processes that underlie aging and age-associated pathologies in mammals. We focus on a family of genes, the SIRTs, which regulate stress resistance and lifespan in lower organisms such as yeast, worms, and flies. In mammals, we recently uncovered a number of ways in which SIRT factors may contribute to cellular and organismal aging by regulating resistance to various forms of stress. We have now begun to characterize the molecular mechanisms by which these SIRT factors function. In particular, we are interested in how SIRT factors regulate chromatin, the molecular structure in which the DNA of mammalian genomes is packaged, and how such functions may link genome maintenance to stress resistance and aging.
Michael F. Clarke, M.D.
Karel H. and Avice N. Beekhuis Professor in Cancer Biology
Current Research and Scholarly Interests Dr. Clarke maintains a laboratory focused on two areas of research: i) the control of self-renewal of normal stem cells and diseases such as cancer and hereditary diseases; and ii) the identification and characterization of cancer stem cells. His laboratory is investigating how perturbations of stem cell regulatory machinery contributes to human disease. In particular, the laboratory is investigating epigenetic regulators of self renewal, the process by which stem cells regenerate themselves.
Department of Pathology Professor in Experimental Pathology and Professor of Developmental Biology
Current Research and Scholarly Interests Chromatin regulation and its roles in human cancer and the development of the nervous system. Engineering new methods for studying and controlling chromatin in living cells.