Circulating resistin levels are not associated with obesity or insulin resistance in humans and are not regulated by fasting or leptin administration: cross-sectional and interventional studies in normal, insulin-resistant, and diabetic subjects. - Lee,JH.; Chan,JL.; Yiannakouris,N.; Kontogianni,M.; Estrada,E.; Seip,R.; Orlova,C.; Mantzoros,CS. (J Clin Endocrinol Metab, 2003)