The proteins that were altered by obesity in both models were GC, RPLP0, EMILIN1, HSPG2, CALU, RABEP2, TSC22D1, SLMAP, FH, SERPINA6, ENSA, NAP1L1, SAE1, HPRT1, ELOB, and DENR. Here, DENR is linked to obesity due to melanocortin 4 receptor deficiency.