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FAculty directory
Xiao-Feng Yang, MD, PhD, FAHA
Professor, Pharmacology Professor, Cardiovascular Research Center Professor, Sol Sherry Thrombosis Research Center Temple University School of Medicine 3500 N. Broad Street Medical Education and Research Building, Room 1059 Philadelphia, PA 19140 Telephone: 215-707-5985 Departmental Fax: 215-707-5737 Email: xfyang@temple.edu
Department of PharmacologyCardiovascular Research CenterSol Sherry Thrombosis Research Center
Dr. Xiao-Feng Yang’s laboratory focuses on studying the regulatory mechanisms of immune responses: The First issue is the regulation of immune responses by modulating T lymphocyte survival and apoptosis. Our publications have demonstrated that a novel interplay between Bcl-xL apoptosis-regulatory family members, such as Bcl-xL, and a novel cytosolic anti-apoptotic protein TCTP plays an essential role in the regulation of T cell apoptosis. Identification of the interplays in the apoptosis regulatory pathways in T cell subsets could lead to novel therapeutic intervention to autoimmune diseases and tumors. The second issue is the regulation of autoimmune and anti-tumor immune responses by modulating self-antigen repertoire. Our results have demonstrated that alternative splicing and overexpression are among the key molecular events in selection of the self-antigen repertoire. We have proposed for the first time a new model of stimulation-responsive splicing as one of the general mechanisms of autoantigen selection. Elucidation of the mechanisms underlying selection of autoantigens and self-tumor antigens provides important foundation for future development of antigen-specific immunotherapies as well as diagnostic and prognostic tools for tumors and autoimmune diseases.
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