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Endogenous Antibiotic Discovered in the Brain

May 6, 2013 — Scientists from the Luxembourg Centre for Systems Biomedicine (LCSB) of the University of Luxembourg have discovered that immune cells in the brain can produce a substance that prevents bacterial growth: namely itaconic acid. Until now, biologists had assumed that only certain fungi produced itaconic acid. A team working with Dr. Karsten Hiller, head of the Metabolomics Group at LCSB, and Dr. Alessandro Michelucci has now shown that even so-called microglial cells in mammals are also capable of producing this acid. "This is a ground breaking result," says Prof. Dr. Rudi Balling, director of LCSB: "It is the first proof of an endogenous antibiotic in the brain."