• Sridevi Hegde

      Articles written in Journal of Biosciences

    • Alterations in tumour suppressor gene p53 in human gliomas from Indian patients

      Pornima Phatak S Kalai Selvi T Divya A S Hegde Sridevi Hegde Kumaravel Somasundaram

      More Details Abstract Fulltext PDF

      Alterations in the tumour suppressorp53 gene are among the most common defects seen in a variety of human cancers. In order to study the significance of thep53 gene in the genesis and development of human glioma from Indian patients, we checked 44 untreated primary gliomas for mutations in exons 5–9 of thep53 gene by PCR-SSCP and DNA sequencing. Sequencing analysis revealed six missense mutations. The incidence of p53 mutations was 13⋅6% (6 of 44). All the six mutations were found to be located in the central core domain of p53, which carries the sequence-specific DNA-binding domain. These results suggest a rather low incidence but a definite involvement of p53 mutations in the gliomas of Indian patients.

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