An international collaboration led by scientists at the University of Texas (UT) Southwestern Medical Center has identified a potential new therapeutic target for sepsis, a life-threatening disease that can quickly spread through the body damaging organs. UT Southwestern researchers and collaborators in China, France, and Sweden, as well as in New York and Pennsylvania in the US, made a key discovery regarding cellular processes that block pathways in immune cells that lead to sepsis. At a fundamental level, sepsis is an out-of-control inflammatory response that damages organs and critical cellular functions leading to tissue damage. "If not recognized early and managed promptly, sepsis can lead to septic shock, multiple organ failure, and even death," said study author Rui Kang, MD, PhD, Associate Professor of Surgery at UT Southwestern who studies sepsis. "Our study provides novel insight into immune regulation related to sepsis and represents a proof of concept that immunometabolism constitutes a potential therapeutic target in sepsis." Immunometabolism is the interaction of the body's natural or innate immune response (how cells detect and react to threats) and metabolism (how cells convert food to energy and building blocks the body needs to function. Immunometabolism is an emerging field of study combining the two traditionally independent disciplines. Sepsis occurs when an initial infection spreads through the bloodstream to other parts of the body. Early detection and treatment of sepsis is critical, but it can be difficult to detect and to stop before damage to organs and tissue occurs. Treatments can involve antibiotics, fluids, oxygen, dialysis to ensure blood flow to affected organs, and surgery to remove damaged tissue.
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