There are data referring to the increase in serum chemerin values in obese patients [6,24,29,55,56,58,62,64,72,75,85], in obese non-diabetic patients [75,86], in diabetic patients [24,29,55,58,64,74,80,83,85,87], in obese diabetic patients [81], and in patients with metabolic syndrome [31,78]. The gene discussed is RARRES2; the disease is metabolic syndrome.