Stimulating -Melanocyte Stimulating Hormone (MSH), human TFA, is a 22 peptide and is an endogenous melanocortin-4 receptor.MC4 - R) agonists.

Extracellular death factor (EDF) is the only single signaling molecule involved in Escherichia coli quorum sensing, and can initiate MAZEF-mediated cell death. Extracellular death factor significantly amplifies the endoribonucleolytic activities of both MazF and ChpBK.

S-Y048 is an Oxoeicosanoid (OXE) receptor antagonist that inhibits allergen-induced eosinophil infiltration into the skin of experimentally sensitized rhesus monkeys to house dust mites and inhibits lung inflammation caused by aerosolized allergen challenge.