{"id":5042,"date":"2021-12-13T18:52:00","date_gmt":"2021-12-13T17:52:00","guid":{"rendered":"https:\/\/fhu-premimpact.org\/?post_type=publication&#038;p=5042"},"modified":"2022-03-22T18:57:11","modified_gmt":"2022-03-22T17:57:11","slug":"non-invasive-prenatal-diagnosis-of-a-paternally-inherited-men1-pathogenic-splicing-variant","status":"publish","type":"publication","link":"https:\/\/fhu-premimpact.org\/en\/publications\/non-invasive-prenatal-diagnosis-of-a-paternally-inherited-men1-pathogenic-splicing-variant\/","title":{"rendered":"Non-invasive prenatal diagnosis of a paternally inherited MEN1 pathogenic splicing variant."},"content":{"rendered":"\n<h4 class=\"wp-block-heading\">Abstract<\/h4>\n\n\n\n<p><strong>Context:&nbsp;<\/strong>Multiple endocrine neoplasia type 1 (MEN1) is an autosomal dominant disease caused by mutations in the tumor suppressor gene MEN1. The uncertainty of pathogenicity of MEN1 variants complexifies the selection of the patients likely to benefit from specific care.<\/p>\n\n\n\n<p><strong>Objective:&nbsp;<\/strong>MEN1-mutated patients should be offered tailored tumor screening and genetic counselling. We present a patient with hyperparathyroidism for whom genetic analysis identified a variant of uncertain significance in the MEN1 gene (NM_130799.2): c.654G&gt;T p.(Arg218=). Additional functional genetic tests were performed to classify the variant as pathogenic and allowed prenatal testing.<\/p>\n\n\n\n<p><strong>Design:&nbsp;<\/strong>Targeted next generation sequencing identified a synonymous variant in the MEN1 gene in a 26-year-old male with symptomatic primary hyperparathyroidism. In silico and in vitro genetic tests were performed to assess variant pathogenicity.<\/p>\n\n\n\n<p><strong>Results:&nbsp;<\/strong>Genetic testing of the proband&#8217;s unaffected parents showed the variant occurred de novo. Transcript study showed a splicing defect leading to an in-frame deletion. The classification of the MEN1 variant as pathogenic confirmed the diagnosis of MEN1 and recommended an adapted medical care and follow-up. Pathogenic classification also allowed to propose a genetic counselling to the proband and his wife. Non-invasive prenatal diagnosis was performed with a personalized medicine-based protocol by detection of the paternally inherited variant in maternal plasmatic cell free DNA, using digital PCR.<\/p>\n\n\n\n<p><strong>Conclusion:&nbsp;<\/strong>We showed that functional genetic analysis can help to assess the pathogenicity of a MEN1 variant with crucial consequences for medical care and genetic counselling decisions.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>J Clin Endocrinol Metab. 2021 Dec 13:dgab894. doi: 10.1210\/clinem\/dgab894. Epub ahead of print. PMID: 34897474.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-5042","publication","type-publication","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Non-invasive prenatal diagnosis of a paternally inherited MEN1 pathogenic splicing variant. - FHU Prem&#039;IMPACT<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fhu-premimpact.org\/en\/publications\/non-invasive-prenatal-diagnosis-of-a-paternally-inherited-men1-pathogenic-splicing-variant\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Non-invasive prenatal diagnosis of a paternally inherited MEN1 pathogenic splicing variant. - FHU Prem&#039;IMPACT\" \/>\n<meta property=\"og:description\" content=\"J Clin Endocrinol Metab. 2021 Dec 13:dgab894. doi: 10.1210\/clinem\/dgab894. 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