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Polymorphism of the methylenetetrahydrofolate reductase gene C677T and its influence on the antihypertensive and vascular protective effects of short-term lercanidipine treatment.
MedLine Citation:
PMID:  22503897     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
OBJECTIVE: To determine whether the antihypertensive and vascular protective effects of short-term treatment with lercanidipine, a calcium channel blocker, are modulated by the methylenetetrahydrofolate reductase (MTHFR) C677T polymorphism. METHODS: In a self-controlled study, a total of 143 essential hypertensive patients, all permanent residents of Shanghai, were included. All of them were treated orally with lercanidipine at a single daily fixed dosage of 10mg for 28 consecutive days and the genotypes of the MTHFR C677T polymorphism were determined. Blood pressures, ankle-brachial index values (ABI), and pulse wave velocity (PWV) were measured at baseline and on the 29th day. RESULTS: The 110 subjects for whom complete genotype and phenotype information were available were used for final data analysis. Patients with the TT genotype showed higher baseline diastolic blood pressure (DBP) than those with the CC and CT genotypes (P=0.018). Within each genotype group, SBP, DBP and PWV showed significant difference between baseline and after treatment (P<0.05). However, ABI showed significant difference between baseline and after treatment only within the CT and TT groups (P<0.05) but not in the CC group (P>0.05). Patients with the TT genotype presented a greater reduction in normalized PWV than those with the CC and CT genotypes (P=0.02). Patients in all genotype groups had statistically similar changes in normalized SBP, DBP and ABI (P>0.05). CONCLUSION: The MTHFR gene polymorphism C677T might be associated with the vascular protective effects of short-term lercanidipine treatment. However, the MTHFR C677T polymorphism might not affect the antihypertensive effects of the lercanidipine treatment.
Authors:
Huifeng Xu; Huan Zheng; Yi Shen; Junling Huang; Ming Luo
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-3-23
Journal Detail:
Title:  Gene     Volume:  -     ISSN:  1879-0038     ISO Abbreviation:  -     Publication Date:  2012 Mar 
Date Detail:
Created Date:  2012-4-16     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7706761     Medline TA:  Gene     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Crown Copyright © 2012. Published by Elsevier B.V. All rights reserved.
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