{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,31]],"date-time":"2026-08-31T20:03:52Z","timestamp":1788206632945,"version":"build-2803163510"},"reference-count":22,"publisher":"Springer Science and Business Media LLC","issue":"7","license":[{"start":{"date-parts":[[2025,5,30]],"date-time":"2025-05-30T00:00:00Z","timestamp":1748563200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2025,5,30]],"date-time":"2025-05-30T00:00:00Z","timestamp":1748563200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Clin Rheumatol"],"published-print":{"date-parts":[[2025,7]]},"abstract":"<jats:title>Abstract<\/jats:title>\n          <jats:p>VEXAS syndrome is a recently identified autoinflammatory disorder caused by somatic mutations in the UBA1 gene, leading to systemic inflammation and hematologic abnormalities. While its renal involvement remains poorly understood, reported cases suggest a diverse spectrum of kidney pathology. We present a 69-year-old male with a history of systemic inflammation who developed nephrotic syndrome and worsening kidney function. His disease course included recurrent fevers, pulmonary infiltrates, cutaneous vasculitis, and hematologic abnormalities. A kidney biopsy revealed secondary amyloidosis, indicating chronic inflammation. Genetic testing confirmed a UBA1 mutation (c.121A\u2009&gt;\u2009G, p.Met41Val), establishing the diagnosis of VEXAS syndrome. Despite treatment with corticosteroids, cyclosporine, and interleukin-1 blockade, the patient deteriorated and ultimately succumbed to septic shock. A systematic review of biopsy-confirmed renal involvement in VEXAS syndrome identified 23 cases, with interstitial nephritis as the most frequent histopathologic finding, followed by vasculitis, IgA nephropathy, minimal change disease, and amyloidosis. Treatment responses varied, with limited efficacy of immunosuppressive therapies. This case highlights the under-recognized renal manifestations of VEXAS syndrome, demonstrating its diagnostic challenges and the need for heightened clinical suspicion. Further research is required to define optimal management strategies and improve patient outcomes.<\/jats:p>","DOI":"10.1007\/s10067-025-07506-9","type":"journal-article","created":{"date-parts":[[2025,5,30]],"date-time":"2025-05-30T14:06:23Z","timestamp":1748613983000},"page":"3101-3108","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Kidney involvement in VEXAS syndrome: insights from a rare case of secondary amyloidosis and systematic review of renal biopsy-confirmed reports"],"prefix":"10.1007","volume":"44","author":[{"given":"Gabriel","family":"\u015etefan","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0003-6761-8956","authenticated-orcid":false,"given":"Andreea","family":"Niculescu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Simona","family":"Cinca","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Corina","family":"Chiriac","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Adrian","family":"Zugravu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pavel","family":"Cristina","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Razvan Adrian","family":"Ionescu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Valer Mihai","family":"Pompilian","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nicoleta","family":"Petre","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cristina","family":"C\u0103pusa","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Simona","family":"Stancu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2025,5,30]]},"reference":[{"issue":"27","key":"7506_CR1","doi-asserted-by":"publisher","first-page":"2628","DOI":"10.1056\/NEJMoa2026834","volume":"383","author":"DB Beck","year":"2020","unstructured":"Beck DB, Ferrada MA, Sikora KA, Ombrello AK, Collins JC, Pei W et al (2020) Somatic mutations in UBA1 and severe adult-onset autoinflammatory disease. 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