GPR35 and atherosclerosis: Since LPA is associated with numerous pathological conditions including atherosclerosis (Schober and Siess, 2012), cancer (Gotoh et al., 2012), obesity, impaired glucose homeostasis (Rancoule et al., 2014), and pain (Ueda et al., 2013), there is a need to clarify the relevance of this reported effect of LPA at GPR35.