Abstract

This study describes identification of p16INK4A sequence variants and their potential association with esophageal squamous cell carcinoma (ESCC) in a high risk population from Kashmir, India. We report a novel 7 base pair exon 2 deletion in 22 out of 106 (~20%) surgically resected tumor samples. The deletion beginning at the second base of codon 103, results in a frame shift causing premature termination of the protein at codon 142, with structural and functional consequences predicted by insilico analysis. The described mutation is a previously unreported variant of p16INK4A, perhaps representing a founder mutation unique to the population.

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