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Paper Information

Journal:   IRANIAN JOURNAL OF PUBLIC HEALTH   2008 , Volume 37 , Number 2; Page(s) 88 To 92.
 
Paper: 

SERUM LEVEL OF ADIPONECTIN AND ITS ASSOCIATION WITH INSULIN SENSITIVITY IN OVERWEIGHT DIABETIC AND NON-DIABETIC IRANIAN MEN

 
 
Author(s):  GIAHI L.*, JAZAYERI A., RAHIMI A., RAHMANI M., ARDESHIR LARIJANI MOHAMMAD BAGHER
 
* DEPT. OF NUTRITION AND BIOCHEMISTRY, SCHOOL OF PUBLIC HEALTH, TEHRAN UNIVERSITY OF MEDICAL SCIENCES, IRAN
 
Abstract: 

Background: Adiponectin is a protein produced exclusively by adipose tissue; the reduced level of which has been shown to be involved in a variety of obesity-related disorders, such as insulin resistance and diabetes, in different ethnic groups.
This cross-sectional study was conducted to determine adiponectin level and its association with insulin sensitivity in 20 adult overweight type-2 diabetic and 20 healthy over-weight non-diabetic Iranian men for the first time.
Methods: Body fat mass (Bio-electric impedance), serum level of adiponectin (ELISA), fasting blood sugar and fasting insulin were measured. Insulin sensitivity was calculated using QUICKI.
Results: As expected, the mean adiponectin concentration was lower in diabetics (7.7
±3 mg/ml) than non-diabetics (8.1±2 mg/ml); however, the difference did not achieve statistical significance (P= 0.5). Adiponectin negatively correlated with fat mass. This correlation was stronger in diabetics with a higher fat mass (r= -0.3 in diabetics vs. r= -0.01 in non-diabetics; p: N.S.). Adiponectin positively related with insulin sensitivity in both groups, although this relation was only statistically significant in non-diabetics (r= +0.5; P= 0.04). The relation between insulin sensitivity and mean of adiponectin level was marginally significant even after adjustment for group (diabetic and non-diabetic), age and fat mass.
Conclusion: Our findings are consistent with the studies on different ethnic groups which have indicated lower adiponectin levels in diabetics. Also our results confirm the relationship between a low adiponectin level and insulin sensitivity reported in earlier studies.

 
Keyword(s): ADIPONECTIN, INSULIN SENSITIVITY, OVER-WEIGHT, DIABETES, IRAN
 
References: 
 
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