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Paper
Title

Estimation of frequency of common mutations in ras genes in a group of iranian colorectal cancer patients in khorasan province

سومین سمپوزیوم بین المللی سرطان نسترن
Year: 1396
COI: NASTARANCANSER03_293
Language: EnglishView: 329
نسخه کامل این Paper ارائه نشده است و در دسترس نمی باشد

Authors

Leila Hamzehzadeh - Department Of Medical Genetics, Faculty Of Medicine, Mashhad University Of Medical Sciences,Mashhad, Iran
Fatemeh Khadangi - Cancer Genetics Research Unit, Reza Radiotherapy And Oncology Center, Mashhad, Iran
Ehsan Ghayoor Karimiani - Razavi Cancer Research Center, Razavi Hospital, Imam Reza International University,Mashhad, Iran
Alireza Pasdar - Department Of Medical Genetics, Faculty Of Medicine, Mashhad University Of Medical Sciences,Mashhad, Iran

Abstract:

Mutation analysis of the EGFR downstream has been a main part of colorectal carcinoma evaluation.Different large prospective clinical trials have shown that only CRCs with wild-type KRAS and NRASrespond to anti-epidermal growth factor receptor (EGFR) treatment. Hence, mutation analysis is needed before treatment to confirm KRAS and NRAS mutations. There are very few studies about K-ras mutations in colorectal cancer (CRC) from developing countries such as Iran. It is therefore essential to conduct studies to learn about the molecular signature of such tumors, allowing the determination of an appropriate management plan. The aim of this study was to evaluate the frequency of hotspot mutations in KRAS and NRAS genes in Iranian patients with colorectal cancer (CRC) and to exploretheir correlations with certain clinicopathological parameters. We detected mutations in codons 12 and 13 of the KRAS and NRAS genes using high resolution melting (HRM), Intplex design and Sangersequencing in 87 Iranian CRC patients. Genomic DNA was isolated from fresh tissue samples of CRC patients. Mutations were glycine to aspartate on codon 12 (p.G12D), and glycine to aspartate on codon13 (p.G13D). We did not find any mutations in NRAS gene in our patients. In the frequency of KRAS in our population seems to be similar to China, Japan, India, USA, France, and Germany (13- 66%)and NRAS are similar to Western Iran. Using HRM as a rapid screening method can be helpful in determining the mutational status

Keywords:

Colon Cancer , Colorectal Cancer , Cancer Genetics , Cancer Treatment and Management , Chemotherapy

Paper COI Code

This Paper COI Code is NASTARANCANSER03_293. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/701233/

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Hamzehzadeh, Leila and Khadangi, Fatemeh and Ghayoor Karimiani, Ehsan and Pasdar, Alireza,1396,Estimation of frequency of common mutations in ras genes in a group of iranian colorectal cancer patients in khorasan province,3rd INTERNATIONAL NASTARAN CANCER SYMPOSIUM ,Mashhad,https://civilica.com/doc/701233

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Type of center: علوم پزشکی
Paper count: 8,078
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