alexa Cross-sectional associations of resistin, coronary heart disease, and insulin resistance.


Journal of Microbial & Biochemical Technology

Author(s): Burnett MS, Devaney JM, Adenika RJ, Lindsay R, Howard BV

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Abstract CONTEXT: Recently, resistin was found to be present in atherosclerotic lesions in apoE(-/-) mice. Resistin may be associated with inflammation and atherosclerosis in humans; however, the role of resistin in human disease remains controversial. OBJECTIVE: This study assesses cross-sectional relationships of resistin with coronary heart disease (CHD). DESIGN, SETTING, AND PARTICIPANTS: Blood samples from the third examination of the Strong Heart Study (SHS)--the largest study of CHD in American Indians--were used. Cases who had suffered previous myocardial infarction (n = 100) were selected randomly from the three SHS sites and matched for study site and sex with controls who had no history of cardiovascular disease (CHD or stroke) (n = 100). MAIN OUTCOME MEASURE: Resistin levels by enzyme-linked immunosorbent assay method in cases and controls was the main outcome measure. RESULTS: Resistin levels were higher in cases than controls [median (interquartile range): 3.4 (2.5-4.7) vs. 2.8 (2.1-4.0) ng/ml; P = 0.003] and had univariate correlations with age (Spearman r = 0.21; P < 0.002), fasting insulin (r = 0.21; P = 0.003), insulin resistance by homeostasis model (r = 0.22; P = 0.04), albumin to creatinine ratio (r = 0.19; P = 0.01), and fibrinogen (r = 0.34; P < 0.0001). Cases were more likely to have diabetes (cases 67\%; controls 41\%; P < 0.0001) but had similar body mass index (cases 31.4 +/- 5.4; controls 30.7 +/- 6.3; P = 0.85). Resistin levels were higher in participants with established nephropathy (albumin to creatinine ratio >300 mg/g, n = 26) compared with those with normo- (n = 122) or microalbuminuria (n = 42). In multivariate analysis, nephropathy (P = 0.0013) but not previous myocardial infarction (P = 0.12) was significantly associated with resistin. CONCLUSIONS: Resistin is not independently associated with CHD. Resistin is elevated in survivors of myocardial infarction; however, this reflects a novel association of raised resistin with diabetic nephropathy. This article was published in J Clin Endocrinol Metab and referenced in Journal of Microbial & Biochemical Technology

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