GRIN2A and obesity due to melanocortin 4 receptor deficiency: Further investigation is required to evaluate the potential link between BSN, GRIN2A, H2AFX, LEO1, NCOR1, NRXN3, PLCB1, POC5, PRRT2, SCN2A, SPI1, STX1B, UBXN7, VCL, YWHAZ, and obesity.