Abstract:
:KCNQ1 encodes a potassium voltage-gated channel and represents a susceptibility locus for type 2 diabetes mellitus (T2DM). Here, we explored the association between KCNQ1 polymorphisms and hypertension risk in individuals with T2DM, as well as the role of KCNQ1 in vascular smooth muscle cell contraction in vitro. To investigate the relationship between KCNQ1 and the risk of developing hypertension in patients with T2DM, we divided the T2DM cohort into hypertension (n = 452) and non-hypertension (n = 541) groups. The Mann-Whitney U test, chi-square test, and multivariate regression analyses were used to assess the clinical characteristics and genotypic frequencies. In vitro studies utilized the rat aortic smooth muscle A10 cell line. Patients in the hypertension group were significantly older at the time of enrollment and had higher levels of body mass index, waist-to-hip ratio, and triglyceride than those in the non-hypertension group. The KCNQ1 rs3864884 and rs12576239 genetic variants were associated with hypertension in T2DM. KCNQ1 expression was lower in the individuals with the CC versus the CT and TT genotypes. Smooth muscle cell contractility was inhibited by treatment with a KCNQ1 inhibitor. These results suggest that KCNQ1 might be associated with hypertension in individuals with T2DM.
journal_name
J Cell Physioljournal_title
Journal of cellular physiologyauthors
Huang KC,Li TM,Liu X,Chen JH,Chien WK,Shiao YT,Tsang H,Lin TH,Liao CC,Huang SM,Li JP,Lin CW,Lin JC,Lin CC,Lai CH,Cheng CF,Liang WM,Hung CH,Chen CC,Lin YJ,Tsai FJdoi
10.1002/jcp.25775subject
Has Abstractpub_date
2017-12-01 00:00:00pages
3309-3316issue
12eissn
0021-9541issn
1097-4652journal_volume
232pub_type
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