Objective To study the relationship between soluble tumor necrosis factor receptor (STNFR) 1,2 and insulin resistance (IR). Methods STNFR1 and STNFR2 were measured by ELISA in 43 men and 41 premenopausal women. IR was assessed by Homa Model. Results Obese men and women showed higher levels of STNFR2 than nonobese men and women (P