Research Article

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Aged; Alcohol Dehydrogenase; Aldehyde Dehydrogenase, Mitochondrial; Asian Continental Ancestry Group; Cytochrome P-450 CYP2E1; Female; Genetic predisposition to disease; Genotype; Humans; Logistic Models; male; Middle Aged; Polymorphism, Genetic; Stomach neoplasms

Gastric cancer is the fourth commonly diagnosed cancer and the second most frequent cause of cancer death worldwide. Genetic variations in ADH1B and ALDH2 may alter the function and activity of the corresponding enzymes, leading to differences in acetaldehyde exposure between drinkers. Cytochrome P4502E1 (CYP4502E1) is a phase I enzyme that plays an important role in metabolizing nitrosamine ... more

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Polycystic ovary syndrome is one of the most frequently encountered endocrine malfunctions. Methylenetetrahydrofolate reductase (MTHFR) plays a vital role in folate metabolism, DNA methylation, and RNA synthesis. We carried out a study to investigate the association between MTHFR C677T and A1298C genetic variations and the risk of polycystic ovary syndrome in a Chinese population. We recruited ... more

J.B. Wu; J.F. Zhai; J. Yang
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Alleles; Antineoplastic Combined Chemotherapy Protocols; Carcinoma, Non-Small-Cell Lung; Cisplatin; DNA-Binding Proteins; Genotype; Humans; Lung Neoplasms; Neoplasm Staging; Polymorphism, Genetic; Treatment outcome; X-ray Repair Cross Complementing Protein 1

Non-small cell lung cancer (NSCLC) is the most common cancer globally. The XRCC1 protein interacts with ligase and poly(ADP-ribose) polymerase to repair cisplatin-induced DNA damage. The authors of previous studies have reported XRCC1 Arg399Gln, Arg280His, and Arg194Trp polymorphisms and advanced NSCLC prognosis, but the results are inconclusive. We investigated the association between ... more

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Habitat fragmentation has numerous consequences, particularly to endemic species, and has a negative impact on the genetic diversity of neglected species, leading to genetic drift. Annona crassiflora Mart. is a species that is endemic to Brazil, and its incidence in the Cerrado biome has decreased. The identification and characterization of its remaining diversity is necessary for its ... more

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The aim of this study was to investigate the tumor protein p73 (TP73) G4C14-A4T14 polymorphism and to perform a meta-analysis to assess TP73 expression in cervical cancer and precancerous tissue. Articles containing data regarding TP73 status in cervical cancer patients and healthy controls were retrieved from PubMed, EMBASE, Cochrane, Chinese Biomedical Literature, and China National ... more

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Cajazeira (Spondias mombin L.), of the family Anacardiaceae, is a species of fruit tree found in the Amazon region with fruits that have excellent prospects for commercial use. We aimed to evaluate the genetic diversity within and among natural populations of S. mombin, with natural occurrence in northern Mato Grosso State, by using inter-simple sequence repeat (ISSR) markers. Overall, 126 ... more

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Alleles; Colorectal neoplasms; Genetic association studies; Genetic predisposition to disease; Genotype; Humans; Mexico; Odds Ratio; Polymorphism, Single Nucleotide; PPAR delta

PPARD encodes for peroxisome proliferator-activated receptor delta, which plays a significant role in controlling lipid metabolism, atherosclerosis, inflammation, cancer growth, progression, and apoptosis. Accumulated evidence suggests that the polymorphism rs2016520 in PPARD is associated with lipid metabolism, obesity, metabolic syndrome, and type 2 diabetes mellitus. The aim of this study ... more

M.A. Rosales-Reynoso; L.I. Wence-Chavez; A.R. Arredondo-Valdez; S. Dumois-Petersen; P. Barros-Núñez; M.P. Gallegos-Arreola; S.E. Flores-Martínez; J. Sánchez-Corona
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Zidovudine, the antiretroviral drug used to treat HIV infection, commonly causes adverse effects, such as systemic fever and gastrointestinal alterations. In the present study, the potential role of inosine triphosphate pyrophosphatase (ITPA) gene variant on the incidence of adverse events during antiretroviral therapy (ART) of HIV with zidovudine was discussed. Individuals from Northeastern ... more

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Glutathione S-transferase (GST) is an important member of phase II metabolic enzymes; GSTM1, GSTT1, and GSTP1 belong to three subfamilies of the GST enzyme. Polymorphisms in GSTM1, GSTT1, and GSTP1 could affect detoxification processes, and increase individuals' susceptibility to cancers. We aimed to investigate the association between GSTM1, GSTT1, and GSTP1 polymorphisms and the risk of ... more

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Congenital deafness is a serious and irreversible condition in humans. The GJB2 gene is implicated in the pathogenesis of autosomal recessive nonsyndromic hearing loss. Its 235delC and 30-35delG polymorphisms are reported to be associated with risk of hereditary deafness. However, the effect of the interaction between GJB2 235delC and 30-35delG and environmental factors on congenital deafness ... more

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