Polymorphisms

Mitochondrial tRNA mutations may be infrequent in hepatocellular carcinoma patients

G. Li, Duan, Y. X., Zhang, X. B., Wu, F., Li, G., Duan, Y. X., Zhang, X. B., and Wu, F., “Mitochondrial tRNA mutations may be infrequent in hepatocellular carcinoma patients”, vol. 15, p. -, 2016.

Mitochondrial DNA mutations have been shown to play important roles in the pathogenesis of hepatocellular carcinoma (HCC). In particular, genes encoding mitochondrial tRNA (mt-tRNA) are hotspots for pathogenic mutations associated with HCC. Recently, an increasing number of studies have reported the involvement of such mutations in this disease. As a result, several mt-tRNA mutations associated with HCC have been described. Some of these are neutral polymorphisms and may not cause mitochondrial dysfunction.

Association between C677T and A1298C polymorphisms of the MTHFR gene and risk of male infertility: a meta-analysis

Y. Yang, Luo, Y. Y., Wu, S., Tang, Y. D., Rao, X. D., Xiong, L., Tan, M., Deng, M. Z., Liu, H., Yang, Y., Luo, Y. Y., Wu, S., Tang, Y. D., Rao, X. D., Xiong, L., Tan, M., Deng, M. Z., Liu, H., Yang, Y., Luo, Y. Y., Wu, S., Tang, Y. D., Rao, X. D., Xiong, L., Tan, M., Deng, M. Z., and Liu, H., “Association between C677T and A1298C polymorphisms of the MTHFR gene and risk of male infertility: a meta-analysis”, vol. 15, p. -, 2016.

Published studies on the association between the C677T and A1298C polymorphisms of the methylenetetrahydrofolate reductase (MTHFR) gene and male infertility risk are controversial. To obtain a more precise evaluation, we performed a meta-analysis based on published case-control studies. We conducted an electronic search of PubMed, EMBASE, the Cochrane Library, the Web of Science, and the China Knowledge Resource Integrated Database for papers on MTHFR gene C677T and A1298C polymorphisms and male infertility risk.

MTHFR C677T and A1298C polymorphisms and risk of lung cancer: a comprehensive evaluation

Y. Yang, Yang, L. J., Deng, M. Z., Luo, Y. Y., Wu, S., Xiong, L., Wang, D., Liu, Y., Liu, H., Yang, Y., Yang, L. J., Deng, M. Z., Luo, Y. Y., Wu, S., Xiong, L., Wang, D., Liu, Y., Liu, H., Yang, Y., Yang, L. J., Deng, M. Z., Luo, Y. Y., Wu, S., Xiong, L., Wang, D., Liu, Y., and Liu, H., “MTHFR C677T and A1298C polymorphisms and risk of lung cancer: a comprehensive evaluation”, vol. 15, p. -, 2016.

Results from previous studies on the association between methylenetetrahydrofolate reductase (MTHFR) polymorphisms C677T and A1298C and lung cancer have been conflicting. The aim of this meta-analysis was to clarify the effect of MTHFR polymorphisms on the risk of lung cancer. An electronic search of PubMed, EMBASE, the Cochrane library, and the China Knowledge Resource Integrated Database for papers on C677T and A1298C and susceptibility to lung cancer was performed. The STATA software (Version 13.0) was used for statistical analysis.

Molecular epidemiology of HFE gene polymorphic variants (C282Y, H63D and S65C) in the population of Espírito Santo, Brazil

L. N. R. Alves, Santos, E. V. W., Stur, E., Conforti, A. M. A. Silva, Louro, I. D., Alves, L. N. R., Santos, E. V. W., Stur, E., Conforti, A. M. A. Silva, Louro, I. D., Alves, L. N. R., Santos, E. V. W., Stur, E., Conforti, A. M. A. Silva, and Louro, I. D., “Molecular epidemiology of HFE gene polymorphic variants (C282Y, H63D and S65C) in the population of Espírito Santo, Brazil”, vol. 15, p. -, 2016.

Hereditary hemochromatosis (HH) is an autosomal recessive disorder that leads to progressive iron accumulation and may cause cirrhosis, hepatocellular carcinoma, diabetes, and heart failure. Most cases of HH have been linked to mutations in genes associated with iron homeostasis. There have been three major variants in the high Fe (HFE) gene associated with the disease: C282Y, H63D and S65C.

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