Genetic variations in MOV10 and CACNB2 are associated with hypertension in a Chinese Han population
GENETICS AND MOLECULAR RESEARCH
Authors: Hong, G. L.; Chen, X. Z.; Liu, Y.; Liu, Y. H.; Fu, X.; Lin, S. B.; Zhu, Q.
Abstract
Human hypertension is a complex, multifactorial disease. Multiple variants associated with hypertension have been identified in the large numbers of genome-wide association studies, meta-analysis, and case-control studies. The present study investigated the association between the single nucleotide polymorphisms (SNPs) of five candidate genes and the susceptibility and prognosis of hypertension in a Chinese Han population. A hospital-based case-control study in a Chinese Han population was carried out, including 500 hypertension patients and 506 healthy controls. The five SNP markers were detected using the Sequenom MassArray (R) iPLEX System. The association of genotypes with susceptibility to hypertension was analyzed using odds ratio, with 95% confidence interval and logistic regression. All five variants conformed to Hardy-Weinberg proportions in the controls. No significant differences were noted in the genotype distributions for AGTR1, PRRC2A, and CALCA polymorphisms in patients with hypertension (N = 500) and healthy controls (N = 506). SNP rs2932538, a variant in MOV10, was found to be significantly associated with an increased risk of hypertension. However, SNP rs4373814, a variant in CACNB2, showed a relevant association with a decreased risk of hypertension. In conclusion, the results of our case-control study confirmed the significant association of the SNP rs2932538 in MOV10 and SNP rs4373814 in CACNB2 with an increased risk of hypertension in a Chinese Han population, suggesting that the SNP rs2932538 may be a poor prognostic indicator for hypertension, while SNP rs4373814 may be a good prognostic indicator for hypertension in the same region. However, our findings need to be replicated in larger epidemiological and functional studies.
Transcriptional pattern of TGF-beta 1 inhibitory effect on mouse C2C12 myoblasts differentiation
POLISH JOURNAL OF VETERINARY SCIENCES
Authors: Wicik, Z.; Sadkowski, T.; Jank, M.; Motyl, T.
Abstract
The aim of the present study was to define the effect of TGF-beta 1 on C2C12 myoblasts myogenesis. TGF-beta 1 together with its receptor is a negative auto-paracrine regulator of myogenesis, which influences the proliferation, differentiation, and functions of muscle cells. TGF-beta 1 exerts highly significant inhibitory effect on differentiation of C2C12 mouse myoblasts manifested by the impairment of cell fusion and very low expression of myosin heavy chain. The study of differentiating C2C12 mouse myoblasts treated with TGF-beta 1 revealed 502 genes (436 down-regulated and 66 up-regulated) with statistically different expression. TGF-beta 1-regulated genes were identified to be involved in 29 biological processes, 29 molecular functions groups and 59 pathways. The strongest inhibiting effect of TGF-beta 1 was observed in the cadherin and Wnt pathways. The key-genes that could play the role of TGF-beta 1 targets during myoblasts differentiation was identified such as: Max, Creb1, Ccna2, Box, MdfI, Tef Tabg1, Cxcl5, Rho, Calca and Lgals4.