Prostaglandin F2? serinol amide (PGF2?-SA) is a derivative of the 2-arachidonyl glycerol (2-AG) metabolite PGF2? 2-glyceryl ester (PGF2?-G).{51287} It induces calcium mobilization in RAW 264.7 macrophages and H1819 cells (EC50s = 3.7 and 1.2 pM, respectively).