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Germline SDHA mutations in children and adults with cancer.


ABSTRACT: Mutations in succinate dehydrogenase complex genes predispose to familial paraganglioma-pheochromocytoma syndrome (FPG) and gastrointestinal stromal tumors (GIST). Here we describe cancer patients undergoing agnostic germline testing at Memorial Sloan Kettering Cancer Center and found to harbor germline SDHA mutations. Using targeted sequencing covering the cancer census genes, we identified 10 patients with SDHA germline mutations. Cancer diagnoses for these patients carrying SDHA germline mutations included neuroblastoma (n = 1), breast (n = 1), colon (n = 1), renal (n = 1), melanoma and uterine (n = 1), prostate (n = 1), endometrial (n = 1), bladder (n = 1), and gastrointestinal stromal tumor (GIST) (n = 2). Immunohistochemical staining and assessment of patient tumors for second hits and loss of heterozygosity in SDHA confirmed GIST as an SDHA-associated tumor and suggests SDHA germline mutations may be a driver in neuroblastoma tumorigenesis.

SUBMITTER: Dubard Gault M 

PROVIDER: S-EPMC6071569 | biostudies-literature | 2018 Aug

REPOSITORIES: biostudies-literature

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Germline <i>SDHA</i> mutations in children and adults with cancer.

Dubard Gault Marianne M   Mandelker Diana D   DeLair Deborah D   Stewart Carolyn R CR   Kemel Yelena Y   Sheehan Margaret R MR   Siegel Beth B   Kennedy Jennifer J   Marcell Vanessa V   Arnold Angela A   Al-Ahmadie Hikmat H   Modak Shakeel S   Robson Mark M   Shukla Neerav N   Roberts Stephen S   Vijai Joseph J   Topka Sabine S   Kentsis Alex A   Cadoo Karen K   Carlo Maria M   Latham Schwark Alicia A   Reznik Ed E   Dinatale Renzo R   Hechtman Jaclyn J   Borras Flores Ester E   Jairam Sowmaya S   Yang Ciyu C   Li Yirong Y   Bayraktar Erol Can EC   Ceyhan-Birsoy Ozge O   Zhang Liying L   Kohlman Wendy W   Schiffman Joshua J   Stadler Zsofia Z   Birsoy Kivanc K   Kung Andrew A   Offit Kenneth K   Walsh Michael F MF  

Cold Spring Harbor molecular case studies 20180801 4


Mutations in succinate dehydrogenase complex genes predispose to familial paraganglioma-pheochromocytoma syndrome (FPG) and gastrointestinal stromal tumors (GIST). Here we describe cancer patients undergoing agnostic germline testing at Memorial Sloan Kettering Cancer Center and found to harbor germline <i>SDHA</i> mutations. Using targeted sequencing covering the cancer census genes, we identified 10 patients with <i>SDHA</i> germline mutations. Cancer diagnoses for these patients carrying <i>S  ...[more]

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