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Angiotensin II receptor 1 gene variants are associated with high-altitude pulmonary edema risk.


ABSTRACT: Previous studies demonstrated that Angiotensin II Receptor 1 (AGTR1) may play an important role in the development of high-altitude pulmonary edema. We envisaged a role for AGTR1 gene variants in the pathogenesis of HAPE and investigated their potential associations with HAPE in a Han Chinese population. We genotyped seven AGTR1 polymorphisms in 267 patients with diagnosed HAPE and 304 controls and evaluated their association with risk of HAPE. Statistically significant associations were found for the single nucleotide polymorphisms (SNPs) rs275651 (p = 0.017; odds ratio [OR] = 0.65) and rs275652 (p = 0.016; OR = 0.64). Another SNP rs10941679 showed a marginally significant association after adjusting for age and sex in the additive genetic model (adjusted OR = 1.44, 95% CI = 1.01-2.04, p = 0.040). Haplotype analysis confirmed that the haplotype "AG" was associated with a 35% reduction in the risk of developing HAPE, while the haplotype "AA" increased the risk of developing HAPE by 44%. These results provide the first evidence linking genetic variations in AGTR1 with HAPE risk in Han Chinese individuals.

SUBMITTER: Jin T 

PROVIDER: S-EPMC5363573 | biostudies-literature | 2016 Nov

REPOSITORIES: biostudies-literature

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Angiotensin II receptor 1 gene variants are associated with high-altitude pulmonary edema risk.

Jin Tianbo T   Ren Yongchao Y   Zhu Xikai X   Li Xun X   Ouyang Yongri Y   He Xue X   Zhang Zhiying Z   Zhang Yuan Y   Kang Longli L   Yuan Dongya D  

Oncotarget 20161101 47


Previous studies demonstrated that Angiotensin II Receptor 1 (AGTR1) may play an important role in the development of high-altitude pulmonary edema. We envisaged a role for AGTR1 gene variants in the pathogenesis of HAPE and investigated their potential associations with HAPE in a Han Chinese population. We genotyped seven AGTR1 polymorphisms in 267 patients with diagnosed HAPE and 304 controls and evaluated their association with risk of HAPE. Statistically significant associations were found f  ...[more]

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