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  The Gene of the Ubiquitin-Specific Protease 8 Is Frequently Mutated in Adenomas Causing Cushing's Disease.

Perez-Rivas, L. G., Theodoropoulou, M., Ferrao, F., Nusser, C., Kawaguchi, K., Stratakis, C. A., et al. (2015). The Gene of the Ubiquitin-Specific Protease 8 Is Frequently Mutated in Adenomas Causing Cushing's Disease. The Journal of clinical endocrinology and metabolism, 100(7), E997-E1004. doi:10.1210/jc.2015-1453.

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Perez-Rivas, Luis G1, Author
Theodoropoulou, Marily2, Author              
Ferrao, Francesco1, Author
Nusser, Clara1, Author
Kawaguchi, Kohei1, Author
Stratakis, Constantine A1, Author
Faucz, Fabio Rueda1, Author
Wildemberg, Luiz E1, Author
Assie, Guillaume1, Author
Beschorner, Rudi1, Author
Dimopoulou, Christina2, Author              
Buchfelder, Michael1, Author
Popovic, Vera1, Author
Berr, Christina M1, Author
Toth, Miklos1, Author
Ardisasmita, Arif Ibrahim1, Author
Honegger, Jurgen1, Author
Bertherat, Jerome1, Author
Gadelha, Monica R1, Author
Beuschlein, Felix1, Author
Stalla, Günter2, Author              Komada, Masayuki1, AuthorKorbonits, Marta1, AuthorReincke, Martin1, Author more..
1external, ou_persistent22              
2RG Günter Stalla, Clinical Neuroendocrinology, Clinical Research, Max Planck Institute of Psychiatry, Max Planck Society, ou_2040301              


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 Abstract: CONTEXT: We have recently reported somatic mutations in the ubiquitin-specific protease USP8 gene in a small series of adenomas of patients with Cushing's disease. OBJECTIVE: To determine the prevalence of USP8 mutations and the genotype-phenotype correlation in a large series of patients diagnosed with Cushing's disease. DESIGN: We performed a retrospective, multicentric, genetic analysis of 134 functioning and 11 silent corticotroph adenomas using Sanger sequencing. Biochemical and clinical features were collected and examined within the context of the mutational status of USP8, and new mutations were characterized by functional studies. PATIENTS: A total of 145 patients who underwent surgery for an ACTH-producing pituitary adenoma. MAIN OUTCOMES MEASURES: Mutational status of USP8. Biochemical and clinical features included sex, age at diagnosis, tumor size, preoperative and postoperative hormonal levels, and comorbidities. RESULTS: We found somatic mutations in USP8 in 48 (36%) pituitary adenomas from patients with Cushing's disease but in none of 11 silent corticotropinomas. The prevalence was higher in adults than in pediatric cases (41 vs 17%) and in females than in males (43 vs 17%). Adults having USP8-mutated adenomas were diagnosed at an earlier age than those with wild-type lesions (36 vs 44 y). Mutations were primarily found in adenomas of 10 ± 7 mm and were inversely associated with the development of postoperative adrenal insufficiency. All the mutations affected the residues Ser718 or Pro720, including five new identified alterations. Mutations reduced the interaction between USP8 and 14-3-3 and enhanced USP8 activity. USP8 mutants diminished epidermal growth factor receptor ubiquitination and induced Pomc promoter activity in immortalized AtT-20 corticotropinoma cells. CONCLUSIONS: USP8 is frequently mutated in adenomas causing Cushing's disease, especially in those from female adult patients diagnosed at a younger age.


 Dates: 2015
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: ISI: 25942478
DOI: 10.1210/jc.2015-1453
 Degree: -



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Title: The Journal of clinical endocrinology and metabolism
Source Genre: Journal
Publ. Info: Washington DC, USA : Endocrine Society
Pages: - Volume / Issue: 100 (7) Sequence Number: - Start / End Page: E997 - E1004 Identifier: -