KCNQ1OT1 and obesity due to melanocortin 4 receptor deficiency: Moreover, since Sal B is one of the phenolic acids isolated from Salvia miltiorrhiza, we speculate that other phenolic acids that possess anti-inflammatory and antioxidant properties, such as Lithospermic acid [15], Rosmarinic acid [13] and Caffeic acid [14], could improve obesity-related OA through the KCNQ1OT1/miR-128-3p/SIRT1 pathway.