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ANALYSIS OF STATUS OF METHYLATION OF THE TUMOR SUPPRESSOR GENE "RARΒ2" AS A MARKER OF DIAGNOSTICS AND EFFECTIVENESS OF TREATMENT OF BREAST CANCER
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Diloram Abdullaevna Kadyrova
A. S. Sadykov Institute of Bioorganic Chemistry of the Academy of Sciences of the Republic of Uzbekistan in Tashkent
Landysh Mukhamedzakievna Isanbaeva
Tashkent Institute of Postgraduate Medical Education
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Submitted:
May 15, 2017
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Abstract.
Epigenetic inactivation of tumor suppressor genes conditioned by hypermethylation of the promoter region is the same characteristic feature of human tumors as genetic disorders, and serves as an alternative mechanism for the loss of the function of suppressor genes. The promoter region of the RARβ2 suppressor gene is analyzed in a normal state and in breast cancer by the methylation-sensitive polymerase chain reaction method. Methylation of CpG dinucleotides in the promoter region of the RARβ2 gene is shown. Abnormal methylation of the promoter region of the RARβ2 gene can be used as a marker for early diagnostics and monitoring of effectiveness of treatment of patients with breast cancer.
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Key words and phrases:
рак молочной железы
ген-супрессор RARβ2
метилирование CpG-динуклеотидов
маркеры ранней диагностики
breast cancer
RARβ2 suppressor gene
methylation of CpG dinucleotides
markers of early diagnosis
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