The Orphan G protein-coupled receptors GPR41 and GPR43 are activated by propionate and other short chain carboxylic acids. - Brown AJ; Goldsworthy SM; Barnes AA; Eilert MM; Tcheang L; Daniels D; Muir AI; Wigglesworth MJ; Kinghorn I; Fraser NJ; Pike NB; Strum JC; et al. (The Journal of biological chemistry, 2003)