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Genetic variants in RhoA and ROCK1 genes are associated with the development, progression and prognosis of prostate cancer.

ABSTRACT: The contribution of genetic variants in RhoA and ROCK1 genes towards prostate cancer risk has not been reported before. We genotyped six potentially functional genetic variants in a case-control study of 1699 subjects. Overall, we found rs2410 mutant allele and rs2269736 wild allele were risk factors for prostate cancer. Individuals carrying more than two risk alleles were exposed to hazard of prostate cancer. In addition, we demonstrated that the risk of biochemical recurrence might be linked with clinico-pathological characteristics and also genetic factors. Unfortunately, no associations were observed between all polymorphisms and clinico-pathological characteristics. Moreover, no genotype was found as significant independent prognostic predictor for biochemical recurrence survival in Multivariate Cox regression analysis after Bonferroni correction. Our study is the first to clarify the relations of genetic variants of RhoA and ROCK1 genes with development, progression and prognosis of prostate cancer. These variants may be promising novel biomarkers to facilitate clinical treatment decision-making.

SUBMITTER: Liu K

PROVIDER: S-EPMC5386685 | biostudies-literature | 2017 Mar

REPOSITORIES: biostudies-literature

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Genetic variants in RhoA and ROCK1 genes are associated with the development, progression and prognosis of prostate cancer.

Liu Kang K Li Xiao X Wang Jie J Wang Yichun Y Dong Huiyu H Li Jie J

Oncotarget 20170301 12

The contribution of genetic variants in RhoA and ROCK1 genes towards prostate cancer risk has not been reported before. We genotyped six potentially functional genetic variants in a case-control study of 1699 subjects. Overall, we found rs2410 mutant allele and rs2269736 wild allele were risk factors for prostate cancer. Individuals carrying more than two risk alleles were exposed to hazard of prostate cancer. In addition, we demonstrated that the risk of biochemical recurrence might be linked w ...[more]

PMID: 28184030

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Project description:BackgroundThe RhoA/ROCK pathway and Caveolin-1 (Cav-1) participate in the process of tumorigenesis in numerous types of cancer. Up-regulation of RhoA/ROCK and Cav-1 expression is considered to be associated with the development and progression of clear cell renal cell carcinoma (ccRCC). We investigated the association between genetic variations of RhoA/ROCK and Cav-1 and the risk of ccRCC in the Chinese population.MethodsBetween May 2004 and March 2014, a total of 1,248 clear cell renal cell carcinoma cases and 1,440 cancer-free controls were enrolled in this hospital-based case-control study. Nine SNPs in RhoA/ROCK and Cav-1 were genotyped using the TaqMan assay.ResultWe found two SNPs (Cav-1 rs1049334 and ROCK1 rs35996865) were significantly associated with the increasing risk of ccRCC (P = 0.002 and P < 0.001 respectively). The analysis of combined risk alleles revealed that patients with 2-4 risk alleles showed a more remarkable growth of ccRCC risk than the patients with 0-1 risk alleles(OR = 1.66, 95%CI = 1.31-2.11, P < 0.001). Younger subjects (P = 0.001, OR = 1.83, 95%CI = 1.30-2.57), higher weight subjects (P = 0.001, OR = 1.76, 95%CI = 1.25-2.47), female subjects (P = 0.007, OR = 1.75, 95% CI = 1.17-2.62), nonsmokers (P < 0.001, OR = 1.67, 95%CI = 1.26-2.23), drinkers (P = 0.025, OR = 1.75, 95% CI = 1.07-2.85), subjects with hypertension (P = 0.025, OR = 1.75, 95% CI = 1.07-2.85) and diabetes (P = 0.026, OR = 4.31, 95% CI = 1.19-15.62) showed a stronger association between the combined risk alleles and the risk of ccRCC by using the stratification analysis. Furthermore, we observed higher Cav-1 mRNA levels in the presence of the rs1049334 A allele in normal renal tissues.ConclusionOur results indicate that the two SNPs (Cav-1 rs1049334 and ROCK1 rs35996865) and genotypes with a combination of 2-4 risk alleles were associated with the risk of ccRCC. The functional SNP rs1049334 may affect the risk of ccRCC by altering the expression of Cav-1 and the relevance between the risk effects and the functional impact of this polymorphism needs further validation.

Dataset Information

Genetic variants in RhoA and ROCK1 genes are associated with the development, progression and prognosis of prostate cancer.

Publications

Genetic variants in RhoA and ROCK1 genes are associated with the development, progression and prognosis of prostate cancer.

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