Table 2 shows the main characteristics of the articles on gene and/or protein expression in adipose tissue of adiponectin, leptin, omentin-1, resistin, IL-1β, IL-6, IL-1RA, IL-10, TNF-α, SOCS3, visfatin, apelin, adrenomedullin (ADM), and nesfatin-1 in GDM. This evidence concerns the gene RETN and gestational diabetes.