MOLECULAR CHARACTERIZATION OF THYROID CANCER IN PASHTUN ETHNIC FAMILIES OF KHYBER PAKHTUNKHWA, PAKISTAN

Main Article Content

Inayat ur Rehman
Muhammad Muzammal
Sami Siraj
Jabbar Khan

Keywords

RET, Thyroid, cancer, Mutation, Pashtun

Abstract

Medullary thyroid carcinoma (MTC) inherits as an autosomal dominant trait with almost complete penetrance. The condition arises due to mutations in the RET proto-oncogene. Herein the present study, two Pashtun origin families, suffering from MTC, were ascertained for genetic and in Silico functional characterization. Both the families were segregating MTC disorder in autosomal dominant fashion. Whole exome analysis in family 1 and 2 found missense mutations c.C1902G: p.Cys634Trp & c.G1901A:p.Cys634Tyr respectively in the 11th exon of RET gene. In silico analysis, for both mutant RET proteins, determined drastic effects of identified mutation on protein folding pattern as well as its interaction properties. Among all report mutations of RET gene, c.C1902G: p.Cys634Trp accounts for more than 50% of all MEN-2A mutations. The current study signifies the importance of onco-genetic testing & counseling for early intervention. This research opens a new avenue for investigating the genetic landscape of MTC and encourages further exploration into the intricate genetic factors that contribute to MTC's hereditary nature.

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