ارزیابی سطح بیان MiR-191 در سلولهای خون محیطی زنان مبتلا به سرطان پستان در مقایسه با زنان سالم
محورهای موضوعی : فصلنامه زیست شناسی جانوریآرزو شاهی 1 , نغمه بهرامی 2 , رباب رفیعی طباطبایی 3 , عبدالرضا محمد نیا 4
1 - گروه زیست شناسی، واحد تهران شمال، دانشگاه آزاد اسلامی، تهران، ایران
2 - گروه مهندسی بافت و علوم سلولی کاربردی،دانشکده فن آوریهای نوین پزشکی ،دانشگاه علوم پزشکی تهران، تهران، ایران|مرکز تحقیقات جراحی های فک و صورت،بیمارستان شریعتی،دانشگاه علوم پزشکی تهران، تهران، ایران
3 - گروه زیست شناسی، واحد تهران شمال، دانشگاه آزاد اسلامی، تهران، ایران
4 - مرکز تحقیقات بیماریهای مزمن تنفسی، پژوهشکده سل و بیماریهای ریوی، مرکز آموزشی، پژوهشی و درمانی سل و بیماریهای ریوی بیمارستان دکتر مسیح دانشوری ، دانشگاه علوم پزشکی شهید بهشتی، تهران، ایران
کلید واژه: سرطان پستان, نشانگر زیستی, 191-.miR,
چکیده مقاله :
سرطان پستان شایعترین سرطان در زنان است. میکروRNAها به عنوان نشانگر زیستی برای تشخیص و درمان سرطان پستان ظاهر شدهاند. هدف از مطالعه حاضر بررسی 191 miR- در خون محیطی بیماران مبتلا به سرطان پستان بود. تعداد 80 نمونه خون محیطی (40 نمونه خون بیمار مبتلا به سرطان پستان و 40 نمونه خون سالم) جمعآوری شد. بلافاصله استخراج RNA و سنتز cDNA انجام شد و واکنش زنجیرهای پلیمراز (Realtime RT-PCR) انجام شد. طراحی پرایمر اختصاصی با استفاده از نرم افزار AlleleID6 پرایمرهای اختصاصی طراحی و جهت ساخت به شرکت سازنده سفارش داده شد. داده ها با استفاده از آزمون تی- تست زوجی تجزیه و تحلیل شدند. دادههای بهدست آمده از مطالعه حاضر نشان داد که میزان 191-miR در خون محیطی بیماران مبتلا به سرطان پستان در مقایسه با افراد سالم به صورت معناداری بالاتر بود. بررسی سطح بیان نسبی ژن 191- miRدر سلولهای خون محیطی افراد میتواند به عنوان یک بیومارکر جهت شناسایی سرطان پستان در زنان مورد استفاده قرار گیرد.
Breast cancer is the most common cancer in women. Micro RNAs have emerged as a biomarker for the diagnosis and treatment of breast cancer. This study aimed to evaluate miR-191 in the peripheral blood of patients with breast cancer. 80 peripheral blood samples (40 patients with breast cancer and 40 healthy individuals) were collected. Immediately, RNA extraction and cDNA synthesis were performed, and polymerase chain reaction (Real-time RT-PCR) was performed. Dedicated primer design: Dedicated primers were designed and manufactured by the manufacturer using AlleleID6 software. The data were analyzed using paired t-test. The data obtained from the present study showed that the blood level of miR-191 was significantly higher in the patients with breast cancer compared to the healthy individuals. The evaluation of the relative expression level of the Mir-191 gene in patients' peripheral blood cells can be used as a biomarker to detect breast cancer in women.
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