1. Bell TJ, et al. Ogerin mediated inhibition of TGF-β(1) induced myofibroblast differentiation is potentiated by acidic pH. PLoS One. 2022 Jul 28;17(7):e0271608. 2. Huang XP, et al. Allosteric ligands for the pharmacologically dark receptors GPR68 and GPR65. Nature. 2015 Nov 26;527(7579):477-83.