{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,25]],"date-time":"2026-10-25T09:07:37Z","timestamp":1792919257584,"version":"4.5.0"},"reference-count":44,"publisher":"Oxford University Press (OUP)","issue":"5","content-domain":{"domain":["eje.bioscientifica.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2017,5]]},"abstract":"<jats:sec>\n<jats:title>Objective<\/jats:title>\n<jats:p>Familial pituitary tumour syndromes (FPTS) account for 5% of pituitary adenomas. Multi-gene analysis via next-generation sequencing (NGS) may unveil greater prevalence and inform clinical care. We aimed to identify germline variants in selected patients with pituitary adenomas using a targeted NGS panel.<\/jats:p>\n<\/jats:sec>\n<jats:sec>\n<jats:title>Design<\/jats:title>\n<jats:p>We undertook a nationwide cross-sectional study of patients with pituitary adenomas with onset \u226440 years of age and\/or other personal\/family history of endocrine neoplasia. A custom NGS panel was performed on germline DNA to interrogate eight FPTS genes. Genome data were analysed via a custom bioinformatic pipeline, and validation was performed by Sanger sequencing. Multiplex ligation-dependent probe amplification (MLPA) was performed in cases with heightened suspicion for <jats:italic>MEN1<\/jats:italic>, <jats:italic>CDKN1B<\/jats:italic> and <jats:italic>AIP<\/jats:italic> mutations. The main outcomes were frequency and pathogenicity of rare variants in <jats:italic>AIP<\/jats:italic>, <jats:italic>CDKN1B<\/jats:italic>, <jats:italic>MEN1<\/jats:italic>, <jats:italic>PRKAR1A<\/jats:italic>, <jats:italic>SDHA<\/jats:italic>, <jats:italic>SDHB<\/jats:italic>, <jats:italic>SDHC<\/jats:italic> and <jats:italic>SDHD<\/jats:italic>.<\/jats:p>\n<\/jats:sec>\n<jats:sec>\n<jats:title>Results<\/jats:title>\n<jats:p>Forty-four patients with pituitary tumours, 14 of whom had a personal history of other endocrine tumours and\/or a family history of pituitary or other endocrine tumours, were referred from endocrine tertiary-referral centres across Australia. Eleven patients (25%) had a rare variant across the eight FPTS genes tested: <jats:italic>AIP<\/jats:italic> (p.A299V, p.R106C, p.F269F, p.R304X, p.K156K, p.R271W), <jats:italic>MEN1<\/jats:italic> (p.R176Q), <jats:italic>SDHB<\/jats:italic> (p.A2V, p.S8S), <jats:italic>SDHC<\/jats:italic> (p.E110Q) and <jats:italic>SDHD<\/jats:italic> (p.G12S), with two patients harbouring dual variants. Variants were classified as pathogenic or of uncertain significance in 9\/44 patients (20%). No deletions\/duplications were identified in <jats:italic>MEN1<\/jats:italic>, <jats:italic>CDKN1B<\/jats:italic> or <jats:italic>AIP<\/jats:italic>.<\/jats:p>\n<\/jats:sec>\n<jats:sec>\n<jats:title>Conclusions<\/jats:title>\n<jats:p>A high yield of rare variants in genes implicated in FPTS can be found in selected patients using an NGS panel. It may also identify individuals harbouring more than one rare variant.<\/jats:p>\n<\/jats:sec>","DOI":"10.1530\/eje-16-0944","type":"journal-article","created":{"date-parts":[[2017,2,21]],"date-time":"2017-02-21T01:30:16Z","timestamp":1487640616000},"page":"635-644","update-policy":"https:\/\/doi.org\/10.1530\/crossmarkpolicy-1","source":"Crossref","is-referenced-by-count":43,"title":["Germline variants in familial pituitary tumour syndrome genes are common in young patients and families with additional endocrine tumours"],"prefix":"10.1093","volume":"176","author":[{"given":"Sunita M C","family":"De Sousa","sequence":"first","affiliation":[{"name":"1Hormones and Cancer GroupGarvan Institute of Medical Research, Sydney, Australia"},{"name":"2Endocrine and Metabolic UnitRoyal Adelaide Hospital, Adelaide, Australia"},{"name":"3Department of Genetics and Molecular PathologyCentre for Cancer Biology, an SA Pathology and UniSA alliance, Adelaide, Australia"},{"name":"4School of 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