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Journal of oral pathology & medicine : official publication of the International Association of Oral Pathologists and the American Academy of Oral Pathology v.46 no.2, 2017년, pp.106 - 111   SCI SCIE
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Genetic profile of PTEN gene in Indian oral squamous cell carcinoma primary tumors

Shah, Sejal (Lab #103B, BRD School of Biosciences, Sardar Patel University, Gujarat, India ) ; Jajal, Dhara (Lab #103B, BRD School of Biosciences, Sardar Patel University, Gujarat, India ) ; Mishra, Girish (Department of E N T, P. S. Medical College, Karamsad, Gujarat, India ) ; Kalia, Kiran (Lab #103B, BRD School of Biosciences, Sardar Patel University, Gujarat, India ) ;
  • 초록  

    Background Phosphatase and tensin homolog (PTEN) is the tumor suppressor gene located on chromosome10q23.3. Genetic variations in the PTEN gene have been found in various sporadic tumors. However, petite is known about the genetic profile of the PTEN gene in oral squamous cell carcinoma (OSCC), which is the eighth most common neoplasm worldwide and leading cancer in India. The purpose of the present study was to determine the frequency of genetic variations in the tyrosine phosphatase domain of the PTEN gene in an Indian OSCC subset. Methods We analyzed tyrosine phosphatase domain encoded by exon 5 of the PTEN gene in 59 OSCC primary tumors using PCR ‐ direct genomic sequencing. Result We observed one somatic deletion mutation, IVS4‐30delT in three OSCC patients; two of them were at an advanced stage of carcinoma. Moreover, we identified one SNP rs 35560700(C>T), in five OSCC patients with the late stage of oral carcinoma. Conclusion We identified 5% somatic mutational frequency in the intronic region of the tyrosine phosphatase domain of the PTEN gene; however, mutations were found absent in the coding region. Therefore, PTEN gene mutation is not a frequent event in the pathogenesis of OSCC in the targeted Indian cohort.


  • 주제어

    Indian population .   mutation .   oral squamous cell carcinoma .   phosphatase and tensin homologue .   single‐Nucleotide Polymorphism.  

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