A comprehensive summary of LL-37, the factotum human cathelicidin peptide

► LL-37 is an antimicrobial and immunostimulating/-modulating peptide. ► LL-37 is a promising template for the development of novel antibiotics. ► Different receptors can be activated, explaining LL-37's broad range of functions. ► Further research will be valuable to the field of cancer research and dermatology.