A "cancer predisposing syndrome" later labeled as Hereditary Non-Polyposis Colorectal Cancer (HNPCC) or Lynch syndrome, was firstly described by Warthin, about one century ago. An increased predisposition to the development of multiple familial tumors is described as characteristic of this syndrome where visceral and cutaneous malignancies may appear at an early age namely endometrial, gastric, small bowel, ureteral and renal pelvis, ovarian, hepatobiliary tract, pancreatic, brain (Turcot Syndrome) and sebaceous glands (Muir-Torre Syndrome). The latter, a variant of Lynch Syndrome, is characterized by the presence of sebaceous skin adenomas, carcinomas and/or keratoachantomas associated to visceral malignancies. Both Lynch Syndrome and Muir-Torre Syndrome have been recognized as due to germline mutations in mismatch repair genes MLH1, MSH2 and MSH6. To date, 56 Lynch Syndrome founder mutations dependent on MLH1, MSH2 and, although less frequently found, MSH6 and PMS2 are described. Some of these founder mutations, principally of MSH2 gene, have been described to cause Muir-Torre phenotype and have been traced in large and outbreed Muir-Torre Syndrome families living in different US and European territories. Due to the evidences of highly specific Muir-Torre phenotypes related to the presence of widespread MSH2 founder mutations, preliminary search for these MSH2 common mutations in individuals carring sebaceous tumors and/or keratoacanthomas, at early age or in association to visceral and familial tumors, permits cost-effective and time-saving diagnostics strategies for Lynch/Muir-Torre syndromes.
Muir-Torre Syndrome and founder Mismatch Repair genes mutations: A long gone historical genetic challenge / Ponti, Giovanni; Manfredini, Marco; Tomasi, Aldo; Pellacani, Giovanni. - In: GENE. - ISSN 0378-1119. - 589:2(2016), pp. 127-132.
Data di pubblicazione: | 2016 |
Data di prima pubblicazione: | 2-lug-2015 |
Titolo: | Muir-Torre Syndrome and founder Mismatch Repair genes mutations: A long gone historical genetic challenge |
Autore/i: | Ponti, Giovanni; Manfredini, Marco; Tomasi, Aldo; Pellacani, Giovanni |
Autore/i UNIMORE: | |
Digital Object Identifier (DOI): | http://dx.doi.org/10.1016/j.gene.2015.06.078 |
Rivista: | |
Volume: | 589 |
Fascicolo: | 2 |
Pagina iniziale: | 127 |
Pagina finale: | 132 |
Codice identificativo ISI: | WOS:000379100500007 |
Codice identificativo Scopus: | 2-s2.0-84935497597 |
Codice identificativo Pubmed: | 26143115 |
Citazione: | Muir-Torre Syndrome and founder Mismatch Repair genes mutations: A long gone historical genetic challenge / Ponti, Giovanni; Manfredini, Marco; Tomasi, Aldo; Pellacani, Giovanni. - In: GENE. - ISSN 0378-1119. - 589:2(2016), pp. 127-132. |
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