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International Journal of Cancer Management
The Official Journal of Cancer Research Center (CRC), Shahid Beheshti University of Medical Sciences
Mutations in the PTEN/MMAC1 Gene Associated with Cowden Disease and Juvenile Polyposis Syndrome
Author(s):
1Department of Biology, Division of Genetics, Faculty of Science, the University of Isfahan, Iran
2Department of Pathology, the Medical University of Isfahan, Iran
*Corresponding Author: Corresponding author: Manoochehr Tavassoli , Department of Biology, Division of Genetics, Faculty of Science, the University of Isfahan, Iran, Tel: +98-3117932477, Fax: +98-3117932456, E-mail: Email: [email protected]
Published online:Dec 31, 2008
Article type:Research Article
Received:Dec 31, 2008
Accepted:Dec 31, 2008
How to Cite:Nassiri I, Faghihi M, Tavassoli M. Mutations in the PTEN/MMAC1 Gene Associated with Cowden Disease and Juvenile Polyposis Syndrome. Int J Cancer Manag. 2008;1(4):e80588. doi:
Abstract
Objective: In this study, we evaluated PTEN mutations in Cowden Disease and Juvenile Polyposis syndrome. PTEN mutations were detected, cancer and other phenotypes associated with each of these mutations were characterized and loss of wild type PTEN allele in the associated tumors was demonstrated.
Methods: Out of 9 patients included in this study, 8 had Juvenile polyposis and 1 had Cowden syndrome. PTEN gene was evaluated by means of polymerase chain reaction, single strand conformation polymorphism (SSCP), Heteroduplex mobility assay (HMA) and direct DNA sequencing.
Results: According to the results of this research, nucleotide substitutions in PTEN gene were found in 22٪ (9.2) of patients. The samples were found to be heterozygote for the c.341 T>G and c.389G>A mutations. One novel mutation c.341 T>G in Iranian patients with Cowden syndrome was found in this study.
Conclusions: The study of these rare patients could provide insight into PTEN driven tumorgenesis.
Copyright
© 2008, Author(s). This open-access article is available under the Creative Commons Attribution 4.0 (CC BY 4.0) International License (https://creativecommons.org/licenses/by/4.0/), which allows for unrestricted use, distribution, and reproduction in any medium, provided that the original work is properly cited.
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