{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,3]],"date-time":"2026-07-03T08:06:01Z","timestamp":1783065961226,"version":"3.54.6"},"reference-count":29,"publisher":"MDPI AG","issue":"10","license":[{"start":{"date-parts":[[2023,9,27]],"date-time":"2023-09-27T00:00:00Z","timestamp":1695772800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Programme for Intensifying Research Activities","award":["IdiPAZ; RP\/2018"],"award-info":[{"award-number":["IdiPAZ; RP\/2018"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Genes"],"abstract":"<jats:p>(1) Background: Gordon syndrome (GS) or familial hyperkalemic hypertension is caused by pathogenic variants in the genes WNK1, WNK4, KLHL3, and CUL3. Patients presented with hypertension, hyperkalemia despite average glomerular filtration rate, hyperchloremic metabolic acidosis, and suppressed plasma renin (PR) activity with normal plasma aldosterone (PA) and sometimes failure to thrive. GS is a heterogeneous genetic syndrome, ranging from severe cases in childhood to mild and sometimes asymptomatic cases in mid-adulthood. (2) Methods: We report here a sizeable Spanish family of six patients (four adults and two children) with GS. (3) Results: They carry a novel heterozygous missense variant in exon 7 of WNK1 (p.Glu630Gly). The clinical presentation in the four adults consisted of hypertension (superimposed pre-eclampsia in two cases), hyperkalemia, short stature with low body weight, and isolated hyperkalemia in both children. All patients also presented mild hyperchloremic metabolic acidosis and low PR activity with normal PA levels. Abnormal laboratory findings and hypertension were normalized by dietary salt restriction and low doses of thiazide or indapamide retard. (4) Conclusions: This is the first Spanish family with GS with a novel heterozygous missense variant in WNK1 (p.Glu630Gly) in the region containing the highly conserved acidic motif, which is showing a relatively mild phenotype, and adults diagnosed in mild adulthood. These data support the importance of missense variants in the WNK1 acidic domain in electrolyte balance\/metabolism. In addition, findings in this family also suggest that indapamide retard or thiazide may be an adequate long-standing treatment for GS.<\/jats:p>","DOI":"10.3390\/genes14101878","type":"journal-article","created":{"date-parts":[[2023,9,27]],"date-time":"2023-09-27T03:04:18Z","timestamp":1695783858000},"page":"1878","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["A Spanish Family with Gordon Syndrome Due to a Variant in the Acidic Motif of WNK1"],"prefix":"10.3390","volume":"14","author":[{"given":"Ram\u00f3n","family":"Peces","sequence":"first","affiliation":[{"name":"Department of Nephrology, Hospital Universitario La Paz, IdiPAZ, Universidad Aut\u00f3noma, 28046 Madrid, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Carlos","family":"Peces","sequence":"additional","affiliation":[{"name":"Area de Tecnolog\u00eda de la Informaci\u00f3n, SESCAM, 45003 Toledo, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Laura","family":"Espinosa","sequence":"additional","affiliation":[{"name":"Department of Pediatric Nephrology, Hospital Universitario La Paz, IdiPAZ, Universidad Aut\u00f3noma, 28046 Madrid, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8887-7100","authenticated-orcid":false,"given":"Roc\u00edo","family":"Mena","sequence":"additional","affiliation":[{"name":"INGEMM, Institute of Medical and Molecular Genetics, La Paz University Hospital, IdiPAZ, 28046 Madrid, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Carolina","family":"Blanco","sequence":"additional","affiliation":[{"name":"INGEMM, Institute of Medical and Molecular Genetics, La Paz University Hospital, IdiPAZ, 28046 Madrid, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5308-2316","authenticated-orcid":false,"given":"Jair","family":"Tenorio-Casta\u00f1o","sequence":"additional","affiliation":[{"name":"INGEMM, Institute of Medical and Molecular Genetics, La Paz University Hospital, IdiPAZ, 28046 Madrid, Spain"},{"name":"ITHACA, European Research Network, La Paz University Hospital, 28046 Madrid, Spain"},{"name":"Network for Biomedical Research on Rare Diseases (CIBERER), Carlos III Health Institute (ISCIII), 28046 Madrid, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pablo","family":"Lapunzina","sequence":"additional","affiliation":[{"name":"INGEMM, Institute of Medical and Molecular Genetics, La Paz University Hospital, IdiPAZ, 28046 Madrid, Spain"},{"name":"ITHACA, European Research Network, La Paz University Hospital, 28046 Madrid, Spain"},{"name":"Network for Biomedical Research on Rare Diseases (CIBERER), Carlos III Health Institute (ISCIII), 28046 Madrid, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5611-2659","authenticated-orcid":false,"given":"Juli\u00e1n","family":"Nevado","sequence":"additional","affiliation":[{"name":"INGEMM, Institute of Medical and Molecular Genetics, La Paz University Hospital, IdiPAZ, 28046 Madrid, Spain"},{"name":"ITHACA, European Research Network, La Paz University Hospital, 28046 Madrid, Spain"},{"name":"Network for Biomedical Research on Rare Diseases (CIBERER), Carlos III Health Institute (ISCIII), 28046 Madrid, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2023,9,27]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"93","DOI":"10.1161\/01.HYP.8.2.93","article-title":"Syndrome of hypertension and hyperkalemia with normal glomerular filtration rate","volume":"8","author":"Gordon","year":"1986","journal-title":"Hypertension"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"1903","DOI":"10.1007\/s00467-014-2956-7","article-title":"Gordon Syndrome: A continuing story","volume":"30","year":"2015","journal-title":"Pediatr. 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