ArticleActa endocrinologica (Bucharest, Romania : 2005)
EXPRESSION OF MENIN IN THE HUMAN THYROID GLAND.
Article in Acta endocrinologica (Bucharest, Romania : 2005). The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 4 citations in OpenAlex.
- Multiple endocrine neoplasia type 1 combined with thyroid neoplasm: A case report and review of literatures.World journal of clinical cases · 2022Article
- A Novel Mutation in a Family With Multiple Endocrine Neoplasia Type 1 and Aggressive Pancreatic Neuroendocrine Tumors.AACE clinical case reportsArticle
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7 authors at 1 institution in 2 countries.
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Abstract
introductionThe expression of menin in the thyroid gland has long been debated. Animal models with targeted inactivation of menin in the thyroid gland have shown that its inactivation might play a role in the progression to a more aggressive type of cancer. Human studies are conflicting, some have identified mutations in the MEN1 gene in a sub-type of oncocytic thyroid carcinomas, while others have not identified a higher prevalence of thyroid cancer in MEN1 patients.
objectiveTo analyze the immunohistochemical expression of menin in different types of thyroid carcinomas. MATERIALS AND
methods48 thyroid tumours (12 papillary thyroid carcinomas (PTC), 6 anaplastic thyroid carcinomas (ATC), 12 poorly differentiated thyroid carcinomas (PDTC), 5 medullary thyroid carcinomas (MTC), 5 oncocytic follicular carcinomas (OC), 3 oncocytic adenomas (OA) and 5 goiters (G)) were tested for nuclear expression of menin using an anti-menin antibody. The expression was considered positive, negative or decreased.
resultsThe expression of menin was positive, identical to normal tissue, in 39 cases (81.25%). The expression was decreased (n=8) or absent (n=1) in 9 tumours (18.75% - 2 PTC, 5 PDTC, 2 OC) accounting for 42% (5/12) of the PDTC and 40% (2/5) of the OC.
conclusionsOur results show that the expression of menin is generally preserved in human thyroid carcinomas, but it can be decreased or absent in certain types of thyroid cancer. Further molecular studies are needed to evaluate to potential of menin protein in tumorigenesis.
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