Colorectal cancer

MicroRNA variants and colorectal cancer risk: a meta-analysis

X. M. Pan, Xiao, X., Qin, H. J., Zhang, Z., Li, Z. H., Gao, L. B., Jia, J., Pan, X. M., Xiao, X., Qin, H. J., Zhang, Z., Li, Z. H., Gao, L. B., and Jia, J., MicroRNA variants and colorectal cancer risk: a meta-analysis, vol. 15, p. -, 2016.

Colorectal cancer (CRC) is a multi-factorial disease, and genetic background may contribute to its etiology. Single nucleotide polymorphisms (SNPs) in microRNAs (miRNAs) may be used as specific markers of predisposition for CRC diagnosis and prevention. In this review, we summarize and discuss recent publications evaluating the roles of miRNA SNPs in CRC. A meta-analysis was also carried out to assess the association between the five most frequently studied miRNA SNPs and CRC risk.

Association of ADH1B Arg47His and ALDH2 Glu487Lys polymorphisms with risk of colorectal cancer and their interaction with environmental factors in a Chinese population

Q. Zhong, Wu, R. R., Zeng, Z. M., Zhong, Q., Wu, R. R., and Zeng, Z. M., Association of ADH1B Arg47His and ALDH2 Glu487Lys polymorphisms with risk of colorectal cancer and their interaction with environmental factors in a Chinese population, vol. 15, p. -, 2016.

Human colorectal cancer (CRC) is a major worldwide health concern, and its development has been shown to be associated with alcohol intake. We carried out a study to investigate the effect of the ADH1B Arg47His and ALDH2 Glu487Lys genetic polymorphisms and their interaction with alcohol consumption on development of CRC. Between March 2013 and May 2015, a total of 274 CRC patients and 358 healthy controls were recruited. Genotyping of sequence variations was performed using the polymerase chain reaction-restriction fragment length polymorphism method.

Matrix metalloproteinase 9 -1562C/T polymorphism increased protein levels in patients with colorectal cancer in a sample from southeastern Brazil

C. R. Hoelzle, Magalhães, K. C. S. F., Carvalho, S. S., Santos, G. A., Maia, I. M., Sousa, M. C. P. S., Andrade-Filho, J. S., Cruz, G. M. G., Simões, R. T., Hoelzle, C. R., Magalhães, K. C. S. F., Carvalho, S. S., Santos, G. A., Maia, I. M., Sousa, M. C. P. S., Andrade-Filho, J. S., Cruz, G. M. G., Simões, R. T., Hoelzle, C. R., Magalhães, K. C. S. F., Carvalho, S. S., Santos, G. A., Maia, I. M., Sousa, M. C. P. S., Andrade-Filho, J. S., Cruz, G. M. G., and Simões, R. T., Matrix metalloproteinase 9 -1562C/T polymorphism increased protein levels in patients with colorectal cancer in a sample from southeastern Brazil, vol. 15, p. -, 2016.

We examined whether the allelic and/or genotypic profile of locus -1562C/T of the matrix metalloproteinase (MMP-9) gene influences the protein expression levels of MMP-9 in patients with colorectal cancer (CRC) compared with controls. A total of 104 patients with CRC and 84 controls were evaluated. Peripheral blood was collected from both groups and DNA extraction was performed for -1562C/T genotyping; the plasma was used for MMP-9 quantification. The CT genotype was associated with increased MMP-9 expression (P = 0.0211).

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