Radioprotectin-1 is a potent and specific nonlipid agonist of lysophosphatidic acid receptor 2 (LPA2), with an EC50 value of 25 nM for murine LPA2 subtype.
AS2717638 is an oral active and selective lysophosphatidic acid receptor 5 (LPA5) antagonist, with an IC50 of 38 nM for hLPA5. AS2717638 also significantly improves PGE2-, PGF2α-, and AMPA-induced allodynia.