| Polymorphism of adiponectin (45T/G) and adiponectin receptor-2 (795G/A) in an Iranian population: relation with insulin resistance and response to treatment with pioglitazone in patients with type 2 diabetes mellitus. | |
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MedLine Citation:
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PMID: 22187345 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Adiponectin, an adipose-derived plasma protein, is reduced in patients with obesity and type 2 diabetes. Thiazolidinediones can increase adiponectin levels and improve insulin sensitivity. This study investigated the associations between type 2 diabetes and two single-nucleotide polymorphisms in the adiponectin (45T/G) and adiponectin receptor-2 gene (795G/A), and investigated whether these genetic variants affect the response to pioglitazone in Iranian patients with type 2 diabetes. We genotyped 128 non-diabetic participants and 101 patients with type 2 diabetes for 45T/G and 795G/A with polymerase chain reaction-restriction fragment length polymorphism assays. Patients were treated with pioglitazone for 12 weeks, after which we compared laboratory parameters in these two groups. Fasting blood sugar differed significantly in individuals with different 795G/A genotypes after pioglitazone treatment (P = 0.009). The mean decrease in insulin/glucose ratio after treatment also differed significantly in individuals with different 45T/G genotypes (P = 0.035). The T allele frequency for 45T/G was 87.11% in controls versus 81.68% in patients (P = 0.071). The TG and GG genotypes were more frequent in patients (P = 0.032). The G allele frequency for 795G/A was 76.17% in controls versus 80.20% in patients (P = 0.179). 795G/A variants were not significantly different between patient and control group. The adiponectin gene 45T/G mutation may be an important determinant of type 2 diabetes in the Iranian population. However, adiponectin 45T/G and adiponectin receptor-2 795G/A polymorphisms were not significantly associated with the response to pioglitazone in our sample. |
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Authors:
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Fatemeh Namvaran; Parvaneh Rahimi-Moghaddam; Negar Azarpira; Mohammad Hosein Dabbaghmanesh |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-12-21 |
Journal Detail:
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Title: Molecular biology reports Volume: - ISSN: 1573-4978 ISO Abbreviation: - Publication Date: 2011 Dec |
Date Detail:
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Created Date: 2011-12-21 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0403234 Medline TA: Mol Biol Rep Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Pharmacology, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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