ADIPOQ and Insulin resistance: Adiponectin circulating levels are inversely correlated with BMI, visceral adiposity and insulin resistance (Arita et al. 1999, Pajvani & Scherer 2003, Bouatia-Naji et al. 2006) (for a recent reviews Ouchi et al. 2011, Kwon & Pessin 2013, Ohashi et al. 2014, 2015).