{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T15:50:25Z","timestamp":1740153025579,"version":"3.37.3"},"reference-count":25,"publisher":"Wiley","license":[{"start":{"date-parts":[[2020,5,30]],"date-time":"2020-05-30T00:00:00Z","timestamp":1590796800000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100007387","name":"Fondazione Cassa di Risparmio di Pistoia e Pescia","doi-asserted-by":"publisher","award":["2016.0241\/gi"],"award-info":[{"award-number":["2016.0241\/gi"]}],"id":[{"id":"10.13039\/100007387","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["International Journal of Endocrinology"],"published-print":{"date-parts":[[2020,5,30]]},"abstract":"<jats:p>The genetic approach of pheochromocytomas and paragangliomas has changed in the last two decades. Nowadays, we know that more than 40% of patients have a germline mutation in one of the susceptibility genes identified to date. Our aim is to underline how genetic diagnosis by next-generation sequencing (NGS) can improve the management of patients affected by pheochromocytomas and paragangliomas in our routine diagnostic screening. We reported a case presentation and next-generation sequencing analysis supported by in silico studies and evaluation of mitochondrial status in <jats:italic>KIF1B\u03b2<\/jats:italic> tissue. A 46-year-old male affected by a left secreting pheochromocytoma underwent surgery in 2017. After surgery, the normetanephrine levels decreased very slowly and a suspected abdominal lymph node was detected. We found a novel germline <jats:italic>KIF1B\u03b2<\/jats:italic> gene mutation, c.4052C\u2009&gt;\u2009T, p. Pro1351Leu associated with tumor loss of heterozygosity, and resulted likely-pathogenetic by in silico studies. This mutation was also associated with an increased number of mitochondria through the electron microscopy compared with wild-type tissues as suggestive for mitochondria neoformation compensatory to the mitochondrial autophagic figures observed. Our results underline the usefulness of next-generation sequencing in the presence of multiple tumor predisposition genes and how, at the same time, its use may result challenging for the clinicians. To date, performing the genetic analysis according to the latest Consensus Statement is mandatory in patients affected by PHEO\/PGL.<\/jats:p>","DOI":"10.1155\/2020\/3671396","type":"journal-article","created":{"date-parts":[[2020,5,30]],"date-time":"2020-05-30T23:31:47Z","timestamp":1590881507000},"page":"1-8","source":"Crossref","is-referenced-by-count":2,"title":["Germline Mutation in <i>KIF1B\u03b2<\/i> Gene Associated with Loss of Heterozygosity: Usefulness of Next-Generation Sequencing in the Genetic Screening of Patients with Pheochromocytoma"],"prefix":"10.1155","volume":"2020","author":[{"given":"Giuseppina","family":"De Filpo","sequence":"first","affiliation":[{"name":"Dept. of Experimental and Clinical Biomedical Sciences, University of Florence, Florence, Italy"},{"name":"Endocrinology Unit, Azienda Ospedaliero-Universitaria Careggi, Florence, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Elisa","family":"Contini","sequence":"additional","affiliation":[{"name":"Center of Research and Innovation of Myeloproliferative Neoplasms, AOU Careggi, University of Florence, Florence, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Viola","family":"Serio","sequence":"additional","affiliation":[{"name":"Dept. of Experimental and Clinical Biomedical Sciences, University of Florence, Florence, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andrea","family":"Valeri","sequence":"additional","affiliation":[{"name":"General and Surgical Unit, Azienda Ospedaliero-Universitaria Careggi, Florence, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Massimiliano","family":"Chetta","sequence":"additional","affiliation":[{"name":"A.O.R.N. 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