{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,22]],"date-time":"2026-07-22T01:43:29Z","timestamp":1784684609269,"version":"3.55.0"},"reference-count":49,"publisher":"The Endocrine Society","issue":"7","license":[{"start":{"date-parts":[[2022,5,15]],"date-time":"2022-05-15T00:00:00Z","timestamp":1652572800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Oxford Biomedical Research Centre Programme grant"},{"DOI":"10.13039\/100010269","name":"Wellcome Trust","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100010269","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Health Innovation Challenge Fund"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2022,7,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>Bartter syndrome (BS) and Gitelman syndrome (GS) are renal tubular disorders affecting sodium, potassium, and chloride reabsorption. Clinical features include muscle cramps and weakness, in association with hypokalemia, hypochloremic metabolic alkalosis, and hyperreninemic hyperaldosteronism. Hypomagnesemia and hypocalciuria are typical of GS, while juxtaglomerular hyperplasia is characteristic of BS. GS is due to SLC12A3 variants, whereas BS is due to variants in SLC12A1, KCNJ1, CLCNKA, CLCNKB, BSND, MAGED2, or CASR. We had the opportunity to follow up one of the first reported cases of a salt-wasting tubulopathy, who based on clinical features was diagnosed with GS. The patient had presented at age 10 years with tetany precipitated by vomiting or diarrhea. She had hypokalemia, a hypochloremic metabolic alkalosis, hyponatremia, mild hypercalcemia, and normomagnesemia, and subsequently developed hypocalciuria and hypomagnesemia. A renal biopsy showed no evidence for juxtaglomerular hyperplasia. She developed chronic kidney failure at age 55 years, and ocular sclerochoroidal calcification, associated with BS and GS, at older than 65 years. Our aim was therefore to establish the genetic diagnosis in this patient using whole-genome sequencing (WGS). Leukocyte DNA was used for WGS analysis, and this revealed a homozygous c.226C\u2005&amp;gt;\u2005T (p.Arg76Ter) nonsense CLCNKB mutation, thereby establishing a diagnosis of BS type-3. WGS also identified 2 greater than 5-Mb regions of homozygosity that suggested likely mutational heterozygosity in her parents, who originated from a Greek island with fewer than 1500 inhabitants and may therefore have shared a common ancestor. Our results demonstrate the utility of WGS in establishing the correct diagnosis in renal tubular disorders with overlapping phenotypes.<\/jats:p>","DOI":"10.1210\/jendso\/bvac079","type":"journal-article","created":{"date-parts":[[2022,5,15]],"date-time":"2022-05-15T15:15:56Z","timestamp":1652627756000},"source":"Crossref","is-referenced-by-count":12,"title":["The Bartter-Gitelman Spectrum: 50-Year Follow-up With Revision of Diagnosis After Whole-Genome Sequencing"],"prefix":"10.1210","volume":"6","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8616-0205","authenticated-orcid":false,"given":"Mark","family":"Stevenson","sequence":"first","affiliation":[{"name":"Academic Endocrine Unit, Oxford Centre for Diabetes, Endocrinology & Metabolism (OCDEM), Churchill Hospital, University of Oxford , Oxford OX3 7LJ , UK"},{"name":"National Institute for Health Research Oxford Biomedical Research Centre , Oxford, OX3 7LJ , UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alistair T","family":"Pagnamenta","sequence":"additional","affiliation":[{"name":"National Institute for Health Research Oxford Biomedical Research Centre , Oxford, OX3 7LJ , UK"},{"name":"Wellcome Centre for Human Genetics, University of Oxford , Oxford, OX3 7BN , UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Heather G","family":"Mack","sequence":"additional","affiliation":[{"name":"Department of Surgery (Ophthalmology), University of Melbourne , Parkville, Victoria, 3002 , Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Judith","family":"Savige","sequence":"additional","affiliation":[{"name":"The University of Melbourne Department of Medicine (Melbourne Health) and Northern Health , Epping, Victoria, 3050 , Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Edoardo","family":"Giacopuzzi","sequence":"additional","affiliation":[{"name":"National Institute for Health Research Oxford Biomedical Research Centre , Oxford , OX3 7LJ, UK"},{"name":"Wellcome Centre for Human Genetics, University of Oxford , Oxford , OX3 7BN, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kate E","family":"Lines","sequence":"additional","affiliation":[{"name":"Academic Endocrine Unit, Oxford Centre for Diabetes, Endocrinology & Metabolism (OCDEM), Churchill Hospital, University of Oxford , Oxford OX3 7LJ , UK"},{"name":"National Institute for Health Research Oxford Biomedical Research Centre , Oxford, OX3 7LJ , UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jenny C","family":"Taylor","sequence":"additional","affiliation":[{"name":"National Institute for Health Research Oxford Biomedical Research Centre , Oxford , OX3 7LJ, UK"},{"name":"Wellcome Centre for Human Genetics, University of Oxford , Oxford, OX3 7BN , UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1438-3220","authenticated-orcid":false,"given":"Rajesh V","family":"Thakker","sequence":"additional","affiliation":[{"name":"Academic Endocrine Unit, Oxford Centre for Diabetes, Endocrinology & Metabolism (OCDEM), Churchill Hospital, University of Oxford , Oxford OX3 7LJ , UK"},{"name":"National Institute for Health Research Oxford Biomedical Research Centre , Oxford, OX3 7LJ , UK"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"80","published-online":{"date-parts":[[2022,5,15]]},"reference":[{"key":"2022053122471585400_CIT0001","doi-asserted-by":"crossref","first-page":"811","DOI":"10.1016\/0002-9343(62)90214-0","article-title":"Hyperplasia of the juxtaglomerular complex with hyperaldosteronism and hypokalemic alkalosis. 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