FAIM2 and obesity due to melanocortin 4 receptor deficiency: The most correlating genes to this lncRNA gene include Fas apoptotic inhibitory molecule 2 (FAIM2) (Figure 1F), whose polymorphism (dbSNP ID, rs7138803; https://www.ncbi.nlm.nih.gov/snp/rs7138803, accessed on 26 April 2023) is associated with obesity and heart rate in T2D subjects [69].