Polymorphism

Association between alcohol dehydrogenase 1C gene *1/*2 polymorphism and pancreatitis risk: a meta-analysis

F. Fang, Pan, J., Su, G. H., Xu, L. X., Li, G., Li, Z. H., Zhao, H., and Wang, J., “Association between alcohol dehydrogenase 1C gene *1/*2 polymorphism and pancreatitis risk: a meta-analysis”, vol. 14, pp. 15267-15275, 2015.

Numerous studies have focused on the relationship be­tween alcohol dehydrogenase 1C gene (ADH1C) *1/*2 polymorphism (Ile350Val, rs698, also known as ADH1C *1/*2) and pancreatitis risk, but the results have been inconsistent. Thus, we conducted a meta-anal­ysis to more precisely estimate this association. Relevant publications were searched in several widely used databases and 9 eligible studies were included in the meta-analysis. Pooled odds ratios (ORs) and 95% confidence intervals (CIs) were calculated to evaluate the strength of the association.

Discovery and characterization of a first set of polymorphic microsatellite markers in Siganus oramin

Y. - X. Liu, Ma, C. - Y., Ma, H. - Y., Feng, C. - L., Li, S. - J., and Ma, L. - B., “Discovery and characterization of a first set of polymorphic microsatellite markers in Siganus oramin”, vol. 14, pp. 15320-15324, 2015.

Nine microsatellite DNA markers were developed and characterized for Siganus oramin by the 5'-anchored polymerase chain reaction technique. A total of 42 alleles were identified in 30 individuals, and the number of alleles per locus ranged from 3 to 7, with an average of 4.7. The observed and expected heterozygosity per locus ranged from 0.5333 to 1.0000 and from 0.5254 to 0.8474, respectively, with an average of 0.7422 and 0.6906, respectively.

Association between TNF-αrs1799724 and rs1800629 polymorphisms and the risk of Crohn’s disease

Y. Q. Mao, Dong, S. Q., and Gao, M., “Association between TNF-αrs1799724 and rs1800629 polymorphisms and the risk of Crohn’s disease”, vol. 14, pp. 15811-15821, 2015.

We investigated the associations between 2 major tumor necrosis factor-α (TNF-α) polymorphisms, rs1799724 C>T and rs1800629 G>A, and the susceptibility to Crohn’s disease (CD) using a meta-analysis framework. The PubMed, EBSCO, Ovid, Wiley, Web of Science, WANFANG, and VIP databases (last updated search in October 2014) were comprehensively searched for relevant published studies.

Investigation of the association between Interleukin-10 polymorphisms and risk of acute pancreatitis in a Chinese population

H. L. Jia, Sun, P. L., and Lu, C. Q., “Investigation of the association between Interleukin-10 polymorphisms and risk of acute pancreatitis in a Chinese population”, vol. 14, pp. 15876-15881, 2015.

We conducted a case-control study to investigate the possible association between three common single nucleotide polymorphisms in interleukin-10 (IL-10) and the development of acute pancreatitis in a Chinese population. Between January 2013 and December 2014, 255 patients with acute pancreatitis and 255 control subjects were recruited for the study. Genotyping of IL-10 rs1800896, rs1800871, and rs1800872 was performed using polymerase chain reaction coupled with restriction fragment length polymorphism.

Association between MTHFR 677C/T and 1298A/C gene polymorphisms and breast cancer risk

X. F. Zhang, Liu, T., Li, Y., and Li, S., “Association between MTHFR 677C/T and 1298A/C gene polymorphisms and breast cancer risk”, vol. 14, pp. 16425-16430, 2015.

We performed a case-control study to investigate the association between single nucleotide polymorphisms in the MTHFR gene (677C/T and 1298A/C) and risk of breast cancer. This case-control study included 216 breast cancer cases and 216 controls. The MTHFR 677C/T and 1298A/C gene polymorphisms were assessed by polymerase chain reaction restriction fragment length polymorphism.

Investigation on the association between NLRP3 gene polymorphisms and susceptibility to primary gout

L. F. Wang, Ding, Y. J., Zhao, Q., and Zhang, X. L., “Investigation on the association between NLRP3 gene polymorphisms and susceptibility to primary gout”, vol. 14, pp. 16410-16414, 2015.

We conducted a case-control study to investigate the association between 3 common NALP3 polymorphisms (rs10754558, rs7512998, and rs12137901) and the susceptibility to primary gout. A total of 320 patients with primary gout and 320 controls were included in this study. The genotyping of NALP3 rs10754558, rs7512998, and rs12137901 were conducted by polymerase chain reaction-restriction fragment length polymorphism.

Analysis of polymorphisms in milk proteins from cloned and sexually reproduced goats

H. Xing, Shao, B., Gu, Y. Y., Yuan, Y. G., Zhang, T., Zang, J., and Cheng, Y., “Analysis of polymorphisms in milk proteins from cloned and sexually reproduced goats”, vol. 14, pp. 16196-16203, 2015.

This study evaluates the relationship between the genotype and milk protein components in goats. Milk samples were collected from cloned goats and normal white goats during different postpartum (or abortion) phases. Two cloned goats, originated from the same somatic line of goat mammary gland epithelial cells, and three sexually reproduced normal white goats with no genetic relationships were used as the control. The goats were phylogenetically analyzed by polymerase chain reaction-restriction fragment length polymorphism.

Association of a let-7 KRAS rs712 polymorphism with the risk of breast cancer

X. Huang, Yang, Y., Guo, Y., Cao, Z. L., Cui, Z. W., Hu, T. C., and Gao, L. B., “Association of a let-7 KRAS rs712 polymorphism with the risk of breast cancer”, vol. 14, pp. 16913-16920, 2015.

Breast cancer (BC) is a common malignancy affecting women, with increasing incidences of this disease in China every year. Recent studies have extensively investigated a single nucleotide polymorphism in the let-7 miRNA binding site of the 3'-untranslated region of KRAS mRNA. The aim of this study was to determine the genotype frequency of the KRAS rs712 polymorphism, and evaluate its effect on BC risk. This hospital-based case-control study comprised 228 patients with histologically confirmed BC and 251 healthy controls.

Meta-analysis of the association between the rs7903146 polymorphism at the TCF7L2 locus and type 2 diabetes mellitus susceptibility

X. H. Liu, Xie, C. G., An, Y., Zhang, X. X., and Wu, W. B., “Meta-analysis of the association between the rs7903146 polymorphism at the TCF7L2 locus and type 2 diabetes mellitus susceptibility”, vol. 14, pp. 16856-16862, 2015.

Type 2 diabetes mellitus (T2DM) is a chronic disease caused by genetic and environmental factors. T2DM has been associated with specific polymorphisms in the TCF7L2 gene. This study evaluates the relationship between the rs7903146 locus polymorphism of the TCF7L2 gene and T2DM susceptibility through meta-analysis; the overall aim is to provide a basis for evidence-based medicinal treatment of T2DM.

Predictive potential role of glutathione S-transferases polymorphisms in response to chemotherapy and breast cancer prognosis

P. Yuan, Yuan, L., Xu, B. L., Wang, C. Z., Yang, H. Z., and Li, Y., “Predictive potential role of glutathione S-transferases polymorphisms in response to chemotherapy and breast cancer prognosis”, vol. 14, pp. 16675-16681, 2015.

The aim of this study was to evaluate the role of GSTM1 null/present, GSTT1 null/present, and GSTP1 polymorphisms in the clinical response to chemotherapy and treatment outcome of breast cancer. The GSTM1, GSTT1, and GSTP1 IIe105Val polymorphism genotypes were analyzed using polymerase chain reaction coupled with restriction fragment length polymorphism.

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