NNMT and obesity due to melanocortin 4 receptor deficiency: Previous studies have shown that genes include KCP (kielin cysteine rich BMP regulator)116, NOG (noggin)117, COL6A3118, BTG2119, RPS6120, KLF15121, KLF3122, ZFP36123, ETV5124, TLE3125, NNMT (nicotinamide N-methyltransferase)126, WDTC1127, ZFHX3128, SIAH2129, MBOAT7130, RUNX1T1131, MAPK4132, KLF9133, SELENBP1134, HELZ2135, ELK1136, SERTAD2137, CRTC3138, ABCB11139, TACR1140, SLC22A11141, PER3142, P2RX5143, MFAP5144, FGL1145, OLFM4146, NTN1147, ESR1148, ABCB1149, VAV3150 and LAMB3151 can be used as clinical prognostic biomarkers for obesity.