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Role of RET proto-oncogene in management of patients with MTC and their  relatives

Role of RET proto-oncogene in management of patients with MTC and their  relatives

Layegh p. assistant professor of endocrinology & metabolism
Mashhad University of Medical Sciences( MUMS)

What is RET proto-oncogene?

  • The RET gene was first identified in 1985 by transfection of NIH/3T3 fibroblast cells with human lymphoma DNA. The transformed NIH/3T3 cells proved to harbor a fusion gene , which was absent in the original tumor.this fusion gene contained part of a gene that encoded a tyrosine kinase domain, and that gene from which the tyrosine kinase domain was part was thereafter called RET.
  • RET is localized on chromosome 10 and contains 21 exons.
  • REarranged during Transfection (RET) gene encodes a receptor tyrosin kinase that has an important  role in many essential processes of  cells.
  • Gain of function mutation in  RET stimulates proliferation and blocks apoptosis.