• Brad T. Cookson, MD, PhD
    Professor of Laboratory Medicine and Microbiology; Head, Clinical Microbiology Division, Laboratory Medicine
    Email: click here

Research in Dr. Cookson's lab revolves around the idea that a greater understanding of immune responses will provide novel insights into host-pathogen interactions. This information will help us develop effective tools for diagnosing infectious diseases and help us design therapeutic strategies that favor quality outcomes for infected hosts. Salmonella and Yersinia infections cause both systemic and localized diseases, and studying these systems provides an excellent opportunity to understand: (1) the mechanisms of protective immunity conferred by novel immunization strategies; (2) how virulent bacteria escape primary immune responses and cause sepsis; (3) the contributions of innate immune functions to the development of immunity; and (4) the role of T cell-macrophage interactions in combating infections caused by pathogens like Salmonella, the Mycobacteria, and Leishmania. In the course of these studies, the Cookson lab uses techniques in cellular immunology, bacterial genetics, biochemistry, and molecular biology. We also partner with engineers and private industry to utilize and develop biotechnology in two areas. First, to define the mechanism of proinflammatory programmed eukaryotic cell death called pyroptosis (to distinguish it from noninflammatory apoptosis) induced by certain bacterial infections. The pyroptosis pathway has broad implications for a variety of biological systems, including the immune, cardiovascular, and central nervous systems. The goal is to better understand organ damage resulting from infections, cancer, heart attacks, and strokes. Second, to utilize powerful amplification and detection systems to diagnose bacterial and fungal infections. The goal is to improve the medical management of hospitalized patients suffering from infectious diseases.

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