LL37 overview LL37 is an antimicrobial peptide that plays a crucial role in innate immunity as a front line defense against infectious agents. It is produced by various cell types, including neutrophils, macrophages, and epithelial cells. LL37 exerts its antimicrobial activity by disrupting bacterial membranes, leading to bacterial death. In addition to its antimicrobial activity, LL37 has been shown to have …