| http://purl.uniprot.org/citations/11408954 | http://www.w3.org/1999/02/22-rdf-syntax-ns#type | http://purl.uniprot.org/core/Journal_Citation |
| http://purl.uniprot.org/citations/11408954 | http://www.w3.org/2000/01/rdf-schema#comment | "In order to detect the contribution of cytochrome P450 1A1 (CYP1A1), aryl hydrocarbon receptor (AhR), glutathione S-transferases M1 (GSTM1), P1 (GSTP1), and T1 (GSTT1) genes in breast cancer, genetic analysis was performed, as well as transcriptional analysis in sporadic primary tumours and corresponding adjacent normal tissues from the same patient. CYP1A1 3'-untranslated region (3'-UTR) termed as m1 (MspI) polymorphism and the null(-) deletions of both GSTM1 and GSTT1 genes were examined in genomic DNA from blood samples of 207 female breast cancer patients and 171 age and sex matched controls. The frequencies of the m1 genotype of the CYP1A1 gene in cases and controls were 0.13 and 0.15, while the frequencies of homozygotes with GSTM1(-) were 0.52, in each, and for homozygotes with GSTT1(-) were 0.14 and 0.10, respectively. Statistical analysis of these genotypes in combinations did not reveal any significant difference between the breast cancer population and the control group. Expression of mRNA levels of CYP1A1, GSTM1, GSTP1, GSTT1 and AhR genes in 31 breast cancer patients, revealed inter-individual variation in an independent manner to patient age, genotype, or tumour stage. Eighty-seven percent of the tumour specimens tested were deregulated, compared to their normal counterparts, in at least one locus. Up-regulation of CYP1A1 was observed only when one of the GSTM1 or GSTP1 was down-regulated while the other remained constant. Genotyping analysis did not show any correlation to breast cancer risk. However, RT-PCR analysis provided evidence that CYP1A1, AhR, GSTM1, GSTP1 and GSTT1 genes are frequently deregulated in breast cancer and could be used as molecular biomarkers for better clinical management of such patients, with respect to chemotherapy."xsd:string |
| http://purl.uniprot.org/citations/11408954 | http://purl.org/dc/terms/identifier | "doi:10.3892/ijmm.8.1.79"xsd:string |
| http://purl.uniprot.org/citations/11408954 | http://purl.uniprot.org/core/author | "Spandidos D.A."xsd:string |
| http://purl.uniprot.org/citations/11408954 | http://purl.uniprot.org/core/author | "Arvanitis D.A."xsd:string |
| http://purl.uniprot.org/citations/11408954 | http://purl.uniprot.org/core/author | "Dialyna I.A."xsd:string |
| http://purl.uniprot.org/citations/11408954 | http://purl.uniprot.org/core/date | "2001"xsd:gYear |
| http://purl.uniprot.org/citations/11408954 | http://purl.uniprot.org/core/name | "Int J Mol Med"xsd:string |
| http://purl.uniprot.org/citations/11408954 | http://purl.uniprot.org/core/pages | "79-87"xsd:string |
| http://purl.uniprot.org/citations/11408954 | http://purl.uniprot.org/core/title | "Genetic polymorphisms and transcriptional pattern analysis of CYP1A1, AhR, GSTM1, GSTP1 and GSTT1 genes in breast cancer."xsd:string |
| http://purl.uniprot.org/citations/11408954 | http://purl.uniprot.org/core/volume | "8"xsd:string |
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