Stephen Carpenter, MD, PhD

Stephen Carpenter, MD, PhD

Institution: Case Western Reserve University School of Medicine

Project: Defining Features of Immune Cells Linked to Prevention of Active Tuberculosis

Grant(s): Catalyst Award

We currently have no reliable vaccine to prevent tuberculosis (TB), a disease that kills 1.5 million people worldwide every year. Immune cells called CD4 T cells are critical for protection against active TB. A subset of these cells called macrophages respond to cells in the lungs called macrophages that become infected after inhalation of Mycobacterium tuberculosis (Mtb), the bacteria that causes TB. A critical unmet need for TB vaccine development is to learn more about T cells that can recognize Mtb-infected macrophages. By applying cutting-edge single-cell analyses, we will track and compare Mtb-reactive memory CD4 T cells among individuals who have not developed TB despite heavy exposure. Memory T cells are long-lived immune cells capable of recognizing foreign particles they were previously exposed to. Results from this project will contribute to TB vaccine development efforts by defining benchmark signature features of protective memory CD4 T cells linked to prevention of active TB.  

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