Polymorphism

Association of CD226 polymorphisms with the susceptibility to type 1 diabetes in Chinese children

J. S. Xi, Nie, C. L., Wang, J., Ma, Y., and Ma, A. H., “Association of CD226 polymorphisms with the susceptibility to type 1 diabetes in Chinese children”, vol. 14, pp. 15249-15255, 2015.

Polymorphisms in the CD226 gene have been reported to be associated with autoimmune diseases. The aim of our study was to investigate the association between two single nucleotide polymorphisms (SNPs) (rs763361 and rs727088) in the CD226 gene and the risk for developing type 1 diabetes (T1D) in Chinese Han children. This case-control study included a total of 152 Chinese children with T1D and 304 matched-pair, healthy controls based on age and gender.

Polymorphisms in CYP17, COMT, and ESR1 genes in women after menopause and association with bone mineral density

C. G. Gonçalves, Almeida, B. C., Camargo-Kosugi, C. M., Costa, A. M. M., Silva, I. D. C. G., and Haidar, M. A., “Polymorphisms in CYP17, COMT, and ESR1 genes in women after menopause and association with bone mineral density”, vol. 14, pp. 15802-15810, 2015.

In this study, we evaluated genetic factors related to the mineral density during post-menopause. We evaluated 110 women in the first 5 years post-menopause, without previous hormone replacement therapy. Cytochrome P450 17 (CYP17) (rs743572), catechol-O-methyl transferase (COMT) (rs4680), and estrogen receptor 1 (ESR1) (rs9322331) were examined for the presence of polymorphisms.

Role of interleukin-10 gene polymorphisms in the development of coronary artery disease in Chinese population

H. M. Xu and Liu, Y. R., “Role of interleukin-10 gene polymorphisms in the development of coronary artery disease in Chinese population”, vol. 14, pp. 15869-15875, 2015.

The aim of this study was to investigate the association between three common SNPs (-1082A/G, -819T/C, and -592A/C) in the interleukin 10 (IL-10) gene, and the development of coronary artery disease. Between January 2013 and December 2014, 272 patients with coronary artery disease and control subjects (each) were recruited for this study from the Huaihe Hospital of Henan University. The IL-10-1082A/G, -819T/C and -592A/C gene polymorphisms were analyzed using a polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) assay.

Role of VEGF gene polymorphisms in the clinical outcome of non-small cell lung cancer

N. Chen, Ma, C. N., Zhao, M., and Zhang, Y. J., “Role of VEGF gene polymorphisms in the clinical outcome of non-small cell lung cancer”, vol. 14, pp. 16006-16011, 2015.

This report details a study conducted to assess the role of VEGF gene polymorphisms in the prognosis of advanced non-small cell lung carcinoma (NSCLC). Samples obtained from 210 advanced NSCLC patients admitted at the Huaihe Hospital of Henan University between January 2010 and December 2011 were recruited for this study. The VEGF -2578C/A (rs699947), +936C/T (rs3025039), and -634G/C (rs2010963) genotypes were analyzed by polymerase chain reaction-restriction fragment length polymorphism.

Association of tumor necrosis factor-α 308G/A polymorphism with urogenital cancer risk: a systematic review and meta-analysis

J. Cai, Yang, M. Y., Hou, N., and Li, X., “Association of tumor necrosis factor-α 308G/A polymorphism with urogenital cancer risk: a systematic review and meta-analysis”, vol. 14, pp. 16102-16112, 2015.

We integrated all the eligible studies and investigated whether the TNF-α 308G/A polymorphism correlates with urogenital cancer risk. Tumor necrosis factor-α (TNF-α) is a risk factor for some urogenital cancers; however, in prostate and bladder cancers the results are controversial. PubMed, EMBASE, Web of Science, the Cochrane Library, the Chinese Biomedical Literature Database, and the Wanfang Database were searched for all case-control studies on the relationship between the TNF-α 308G/A polymorphism and susceptibility to urogenital cancer between January 1994 and January 2015.

Lack of association between the aryl hydrocarbon receptor rs2066853 polymorphism and breast cancer: A meta-analysis on Ahr polymorphism and breast cancer

Y. Li, Qin, H. Z., Song, Q., Wu, X. D., and Zhu, J. H., “Lack of association between the aryl hydrocarbon receptor rs2066853 polymorphism and breast cancer: A meta-analysis on Ahr polymorphism and breast cancer”, vol. 14, pp. 16162-16168, 2015.

Published data regarding the association between aryl hydrocarbon receptor (Ahr) rs2066853 polymorphism and the risk of breast cancer shows conflicting results. We performed a meta-analysis on 2999 patients and 3050 controls from three related case-control studies to estimate the association between Ahr rs2066853 polymorphism and the risk of breast cancer. The protocol was approved by the Institutional Animal Care and Use Committee (IACUC) at the University of Florida (America NIH Publication No. 86-231985 Revision).

Association of the interleukin-6 gene -572G/C polymorphism with cancer risk: a meta-analysis

Q. Zhao, Zhang, B., Chen, Y., Li, M., Zhao, X., Fan, H., and Li, S. M., “Association of the interleukin-6 gene -572G/C polymorphism with cancer risk: a meta-analysis”, vol. 14, pp. 16921-16928, 2015.

The -572G/C polymorphism in interleukin-6 (IL-6) gene is associated with the development of cancer. However, previous studies have shown conflicting results; therefore, the association must be verified by an appropriate meta-analysis. For this purpose, we performed a literature search of the PubMed database to identify all reports on association between the IL-6 -572G/C polymorphism and cancer risk. Summary odds ratios (OR) and 95% confidence intervals (95%CI) were calculated for the -572G/C polymorphism and cancer in a fixed- and random-effect model, as appropriate.

Polymorphisms of GSTM1, GSTT1, and p53 in Goiânia, Goiás

D. A. Rodrigues, Costa, I. R., Martins, J. V. M., Silva, K. S. Fe, and Moura, K. K. V. O., “Polymorphisms of GSTM1, GSTT1, and p53 in Goiânia, Goiás”, vol. 14, pp. 17358-17365, 2015.

Genetic polymorphisms are defined as changes within the DNA sequences of genes that have frequencies in the population higher than 1%. The glutathione S-transferases play an important role in the cellular detoxification systems involved in oxidative stress that can lead to accumulation of reactive oxygen species. Epidemiological studies have suggested that individuals with homozygous deletion of glutathione S-transferase mu 1 (GSTM1) and glutathione S-transferase theta 1 (GSTT1) are at higher risk of developing several types of neoplasias.

Influence of vascular endothelial growth factor and alpha-fetoprotein on hepatocellular carcinoma

E. Y. Yvamoto, Ferreira, R. F., Nogueira, V., Pinhel, M. A. S., Tenani, G. D., Andrade, J. G. S. C., Baitello, M. E. L., Gregório, M. L., Fucuta, P. S., Silva, R. F., Souza, D. R. S., and Silva, R. C. M. A., “Influence of vascular endothelial growth factor and alpha-fetoprotein on hepatocellular carcinoma”, vol. 14, pp. 17453-17462, 2015.

We evaluated the influence of the vascular endothelial growth factor (VEGF) -C936T polymorphism on prognosis of hepatocellular carcinoma (HCC), cirrhosis, and hepatitis C virus (HCV) infection. Serum VEGF and alpha-fetoprotein (AFP) levels were determined and used to characterize sensitivity and specificity. A total of 285 subjects were studied: 68 HCC, 118 cirrhosis, 43 HCV, and 56 healthy controls.

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