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Iranian Biomedical Journal، جلد ۱۳، شماره ۲، صفحات ۷۹-۸۶
عنوان فارسی بررسی خصوصیت فارماکوژنومیک pten در سرطان پستان
چکیده فارسی مقاله
کلیدواژه‌های فارسی مقاله
عنوان انگلیسی Pharmacogenomic Profiling of the PI3K/PTEN Pathway in Sporadic Breast Cancer
چکیده انگلیسی مقاله Background: Pharmacogenomics is the study of genetic variations among individuals to predict the probability that a patient will respond to single or multidrug chemotherapy. Breast cancer is one of the most common cancers among women worldwide. Treatment of breast cancer by application of biological rationales gives us the ability to match the correct pharmacology to individual tumour genetic profiles. The breast cancers exhibit multiple anomalies in phosphatidylinositol 3 kinase pathways, such as phosphatase and tensin homolog deleted on chromosome TEN loss that can be put in context of therapy with rapamycin analogues. Considering the high incidence of breast cancer in Iran, the potential role of tumor suppressor PTEN/MMAC1gene was investigated in Isfahanian breast cancer patients. Methods: In this study, PTEN was evaluated by means of polymerase chain reaction, single strand conformation polymorphism, Heteroduplex mobility assay and direct DNA sequencing in 72 breast cancer tumors for detection and characterization of mutations. Results: According to the results of this research, nucleotide substitutions were found in 5/72 (7%) of samples. The sporadic breast cancer patient was found to be heterozygote for the p.D92N, p.C105W, p.D107N, p.A121P and p.R130Q mutations. One novel mutation, p.D107N, was found in this study. Conclusion: Loss of PTEN function in breast cancer can occur either by mutation or reduction of PTEN expression in almost half of sporadic breast tumors. This rate of mutations is an important consideration for novel therapeutic in which biological efficacy is influenced by the activity of PTEN.
کلیدواژه‌های انگلیسی مقاله Breast cancer, Pharmacogenomic, Rapamycin, Somatic mutation
نویسندگان مقاله ایثار نصیری | issar nassiri


مهری فقیهی | mehri faghihi


منوچهر توسلی | manoochehr tavassoli


نشانی اینترنتی http://ibj.pasteur.ac.ir/browse.php?a_code=A-10-1-29&slc_lang=en&sid=en
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زبان مقاله منتشر شده fa
موضوعات مقاله منتشر شده Related Fields
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