Germline HABP2 Mutation Causing Familial Nonmedullary Thyroid Cancer.

N Engl J Med

From the Endocrine Oncology Branch (S.K.G., L.Z., D.P., E.K.), Bioinformatics Core (L.J.) and Laboratory of Pathology (M.J.M.), Center for Cancer Research, and the Office of Science and Technology Resources (M.C.), National Cancer Institute, and the Metabolic Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases (S.K.A.) - both in Bethesda, MD.

Published: July 2015

Familial nonmedullary thyroid cancer accounts for 3 to 9% of all cases of thyroid cancer, but the susceptibility genes are not known. Here, we report a germline variant of HABP2 in seven affected members of a kindred with familial nonmedullary thyroid cancer and in 4.7% of 423 patients with thyroid cancer. This variant was associated with increased HABP2 protein expression in tumor samples from affected family members, as compared with normal adjacent thyroid tissue and samples from sporadic cancers. Functional studies showed that HABP2 has a tumor-suppressive effect, whereas the G534E variant results in loss of function.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4562406PMC
http://dx.doi.org/10.1056/NEJMoa1502449DOI Listing

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