Research Article

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Published data regarding the association between the cytosolic serine hydroxymethyltransferase (SHMT1) C1420T (Leu474Phe) polymorphism and solid tumor risk have shown inconclusive results. To derive a more precise estimation of the relationship, we performed a meta-analysis of 23 published studies that included 14,409 cancer cases and 16,996 controls. A comprehensive search was ... more

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Cancer; Meta-analysis; MiR-499; Polymorphism

An A/G polymorphism (rs3746444) has been identified in the miR-499 gene that can change the conformation of the secondary gene structure and thereby directly affect binding to target mRNAs and the microRNA (miRNA) maturation process, thus altering protein expression and potentially contributing to cancer susceptibility. Numerous studies investigating the associa­tion between the ... more

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Cancer; CASP-9; Gene polymorphisms; Meta-analysis

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Cancer; Caspase 3; Genetic polymorphism; Meta-analysis; susceptibility

Genetic variations in the caspase genes CASP-3 and CASP-7 are known to be involved in apoptosis, cytokine maturation, cell growth and differentiation. Polymorphisms of CASP-3 and CASP-7 genes have been increasingly recognized as important regulators in the development of cancer. However, whether there is a specific association is still controversial. Therefore, we made a Human Genome ... more

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The Human Cancer Genome Project generated about 1 million expressed sequence tags by the ORESTES method, principally with the aim of obtaining data from cancer. Of this total, 341,680 showed no similarity with sequences in the public transcript databases, referred to as “no-match”. Some of them represent low abundance or difficult to detect human transcripts, but part of these ... more

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Cancer; CDH1 expression; Neuroepithelial tumors; Real-time polymerase chain reaction

Cadherins are cell-to-cell adhesion molecules that play an important role in the establishment of adherent-type junctions by mediating calcium-dependent cellular interactions. The CDH1 gene encodes the transmembrane glycoprotein E-cadherin which is important in maintaining homophilic cell-cell adhesion in epithelial tissues. E-cadherin interacts with catenin proteins to maintain ... more

F.J.N. Motta; E.T. Valera; A.K.B. Lucio-Eterovic; R.G.P. Queiroz; L. Neder; C.A. Scrideli; H.R. Machado; C.G. Carlotti-Junior; S.K.N. Marie; L.G. Tone
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Cancer; Gene network; Nucleotide excision repair; sporadic solid tumors

In general, stochastic tumors show genomic instability associated with the proliferation of DNA point mutations, that is, a mutator phenotype. This feature cannot be explained by a dysfunctional mismatch repair alone, and indicates that nucleotide excision repair (NER) and/or base excision repair should be suppressed. However, mutations in NER genes are not causally implicated in the ... more

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Asian; Cancer; Single nucleotide polymorphism; Vascular endothelial growth factor

Vascular endothelial growth factor (VEGF), the most important regulator of angiogenesis and vascular permeability, is involved in various steps of carcinogenesis. The +936C/T polymorphism of the VEGF gene has been reported to affect the VEGF protein level and to be related to the susceptibility of cancer. However, the results of published studies, as well as the subsequent meta-analyses, ... more

X.L. Liu; Q.F. Yang; B.H. Kong
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The anticancer anthracyclines doxorubicin and daunorubicin are used to treat a variety of cancers in dogs. The therapeutic utility of anthracyclines is limited by cardiotoxicity in some cases. Synthesis of anthracycline alcohol metabolites by carbonyl reductase 1 (CBR1) is crucial for the pathogenesis of cardiotoxicity. We hypothesize that genetic polymorphisms in canine cbr1 ... more

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