Наследственный рак молочной железы (НРМЖ) – заболевание с выраженной генотипической и фенотипической гетерогенностью. В современном аспекте проблемы наследственного рака молочной железы наиболее значимым и перспективным считается идентификация и изучение молекулярно-генетических маркеров наследственной предрасположенности к раку молочной железы. К ним относятся мутации и полиморфные варианты в генах BRCA1, BRCA2 и ТР53. На сегодняшний день идентифицировано более 1536 различных полиморфизмов в гене BRCA1 и около 1885 в гене BRCA2, однако их клиническая значимость изучена недостаточно. Работа посвящена анализу влияния аллельных вариантов в генах BRCA1, BRCA2, TP53 на риск развития и клинические особенности рака молочной железы.
Hereditary breast cancer (HBC) is a disease with a significant genotypic and phenotypic heterogeneity. Nowadays, it is very important and prospective to study the role of molecular genetic oncomarkers, associated with inherited predisposition to breast cancer. We can name these genetic markers. They are mutations and single nucleotide polymorphisms, identified in BRCA1, BRCA2, TP53 genes. More than 1536 different polymorphisms in BRCA1 gene and for about 1885 in BRCA2 gene have already been identified recently, but their clinical significance isn’t characterized well enough. The aim of this study is to estimate the influence of allelic variants in BRCA1, BRCA2, TP53 genes on the risk of the development and clinical features of breast cancer.
Key words: breast cancer, hereditary breast cancer, sporadic breast cancer, single nucleotide polymorphism, BRCA1, BRCA2, TP53, ovarian cancer.
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1 Chair of Oncology, Russian Medical Academy for Postgraduate Training, RF Health Agency, Moscow
2 N.N.Blokhin Russian Cancer Research Center, Russian Academy of Medical Sciences, Moscow