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Minerva Endocrinologica 2014 June;39(2):99-105


lingua: Inglese

Relationship of vaspin and apelin levels with insulin resistance and atherosclerosis in metabolic syndrome

Karbek B., Bozkurt N. C., Topaloglu O., Aslan M. S., Gungunes A., Cakal E., Delibasi T.

Department of Endocrinology and Metabolism Diskapi Yildirim Beyazit Teaching and Research Hospital, Ankara, Turkey


AIMS: We aimed to investigate, circulating vaspin, apelin-12 and apelin-36 levels in subjects with metabolic syndrome (MetS) and also to search for the association of vaspin and apelin levels with insulin resistance (IR), high sensitivity C-reactive protein (HsCRP), Carotid Artery Intima-Media Thickness (CIMT) and cardiovascular risk factors.
METHODS: In this observational case-control study, a total of forty one patients with MetS (30 women and 11 men mean age, 41.3±9.4 years) and thirty nine healthy comparison subjects (27 women and 12 men; mean age, 38.4±6.1 years) were enrolled. Serum HsCRP, lipid profile, insulin levels and the homeostasis model assessment of insulin resistance (HOMA-IR) were evaluated. Apelin-12, apelin-36 and vaspin serum levels were measured via ELISA. High-resolution B-mode ultrasonography was performed.
RESULTS: The two study groups did not differ as to age, sex, blood pressure, smoking history. Vaspin, apelin-12 and apelin-36 levels were significantly elevated in patients with MetS when compared with that of control subjects (P<0.001). Serum vaspin levels showed a statistically significant association with CIMT (r=0.365, P<0.001) and HsCRP (r=0.316, P<0.01) levels, whereas both serum apelin-12 and 36 levels were positively correlated with HOMA-IR (r=0.344/0.462 P<0.01).
CONCLUSION: Based on the findings of this study, Serum vaspin and apelin levels were found significantly higher in patients with MetS than age-matched control subjects and significantly associated with coronary atherosclerosis. These adipocytokines might play a part in the pathogenesis of MetS. Also serum Apelin levels can be used as specific markers for insulin sensitivity in patients with MetS.

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