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Systematic Analysis Of Whole Exome Sequencing Determines Ret G691s Polymorphism As Germline Variant In Melanoma, Brent J. Smith Jr, Jennifer D. Hintzsche, Carol M. Amato, Aik-Choon Tan, Keith R. Wells, Allison J. Applegate, Rita T. Gonzalez, Jodie R. Barr, William A. Robinson
Systematic Analysis Of Whole Exome Sequencing Determines Ret G691s Polymorphism As Germline Variant In Melanoma, Brent J. Smith Jr, Jennifer D. Hintzsche, Carol M. Amato, Aik-Choon Tan, Keith R. Wells, Allison J. Applegate, Rita T. Gonzalez, Jodie R. Barr, William A. Robinson
Marshall Journal of Medicine
Abstract
The RET proto-oncogene encodes a receptor tyrosine kinase that is activated by glial cell derived neutrotrophic factor (GDNF). Previous studies have found that a single nucleotide polymorphism (SNP), RETp (G691S), in the juxtamembrane domain enhances the signaling pathway and promotes tumor growth by GDNF in pancreatic and thyroid cancer in addition to melanoma. It is uncertain however whether this SNP is a germline variant or somatic mutation. A prior study reported that the RETp variant was a germline SNP in desmoplastic and non-desmoplastic melanomas. In the present study, we examined both melanoma tissue samples and matching peripheral blood DNA …