Abstract:
:Breast cancer is a common disease in Western societies, with an incidence of 46.31/100,000 women/year in Brazil. The tumor suppressor gene TP53 is one of the most studied genes regarding the presence of mutations. Indeed, 50% of all tumors are known to exhibit changes in the TP53 nucleotide sequence due to carcinogenic processes. As to the presence of polymorphism, the TP53 gene is polymorphic at the nucleotide residue 347 (codon 72). In the current study, we examine if this polymorphism is associated with the clinicopathological parameters of breast cancer patients in a Brazilian population. One hundred and thirteen patients with breast cancer were included. The polymorphic region of the TP53 gene was PCR-amplified from genomic DNA obtained from buccal cells. Specific primers for the Pro and Arg allele were used. Correlations of polymorphism with age, staging, nuclear grade, lymph node status, estrogen receptor status and lymphatic and/or blood vessel invasion were evaluated. Statistical analysis was performed using the Fisher's exact test. The frequency of p53 Arg/Arg was 57% and of the heterozygous allele Arg/Pro it was 39%. There was no correlation between polymorphism and clinicopathological parameters. According to our results, the TP53 polymorphism, at the 347 residue, is not associated with any clinicopathological findings of patients with breast cancer.
journal_name
Eur J Gynaecol Oncoljournal_title
European journal of gynaecological oncologyauthors
Vieira JO,da Silva ID,Higo PE,Nogueira-de-Souza NC,Gebrim LHsubject
Has Abstractpub_date
2008-01-01 00:00:00pages
364-7issue
4eissn
0392-2936issn
2709-0086journal_volume
29pub_type
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journal_title:European journal of gynaecological oncology
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journal_title:European journal of gynaecological oncology
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journal_title:European journal of gynaecological oncology
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journal_title:European journal of gynaecological oncology
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doi:
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journal_title:European journal of gynaecological oncology
pub_type: 杂志文章
doi:
更新日期:2007-01-01 00:00:00
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journal_title:European journal of gynaecological oncology
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journal_title:European journal of gynaecological oncology
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journal_title:European journal of gynaecological oncology
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journal_title:European journal of gynaecological oncology
pub_type: 杂志文章,评审
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journal_title:European journal of gynaecological oncology
pub_type: 临床试验,杂志文章,多中心研究
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