Increased oxidative stress is associated with decreased circulating levels of adiponectin in Japanese metabolically obese, normal-weight men with normal glucose tolerance

Diabetes Research and Clinical Practice
Akira KatsukiYasuhiro Sumida

Abstract

To investigate the relationship between oxidative stress and circulating levels of adiponectin in Japanese metabolically obese, normal-weight [MONW; BMI<25 and visceral fat area; VFA > or =100 cm2 by abdominal computed tomography (CT) scanning] men with normal glucose tolerance (NGT), we measured the plasma levels of free 8-epi-prostaglandin F2alpha (8-epi-PGF2alpha) and adiponectin in 28 MONW and 23 normal men. The plasma levels of free 8-epi-PGF2alpha were measured using a commercially available enzyme immunoassay (EIA) kit (Cayman Chemical, Ann Arbor, MI). The plasma levels of adiponectin were measured using a radioimmunoassay kit (LINCO Research, St. Charles, MO). Plasma levels of 8-epi-PGF2alpha in MONW subjects (30.4+/-4.0 pg/ml; P<0.01) were significantly increased compared to controls (8.1+/-1.3 pg/ml). The plasma levels of adiponectin were significantly decreased in MONW subjects (8.6+/-0.9 microg/ml; P<0.01) as compared to normal subjects (11.6+/-0.6 microg/ml). The plasma levels of 8-epi-PGF2alpha and adiponectin were significantly correlated in MONW (r=-0.617, P<0.01) and in all (MONW+normal) (r=-0.620, P<0.01) subjects. The plasma levels of 8-epi-PGF2alpha and adiponectin were significantly correlated after adjustm...Continue Reading

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