{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,11]],"date-time":"2026-10-11T14:31:19Z","timestamp":1791729079025,"version":"4.3.4"},"reference-count":34,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2020,9,27]],"date-time":"2020-09-27T00:00:00Z","timestamp":1601164800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Euro J of Neurology"],"published-print":{"date-parts":[[2021,1]]},"abstract":"<jats:sec><jats:title>Objective<\/jats:title><jats:p>To investigate changes in serum complements and their regulators in the pathogenesis of myasthenia gravis (MG).<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Forty\u2010four patients with acetylcholine receptor antibody\u2010positive MG, as well as 20 patients with non\u2010inflammatory neurological disorders were enrolled. Serum complements (C3, C4 and soluble C5b\u20109) and complement regulators (vitronectin, clusterin and properdin) were extensively analysed by enzyme\u2010linked immunosorbent assay and their associations with clinical profiles of MG were examined.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Serum C3, C4 and clusterin levels were not significantly different between patients with MG and controls. The patients with MG had higher soluble C5b\u20109 (<jats:italic>P<\/jats:italic>\u00a0=\u00a00.09) and vitronectin (<jats:italic>P<\/jats:italic>\u00a0=\u00a00.001) levels than the controls; moreover, vitronectin levels decreased after treatment (<jats:italic>P<\/jats:italic>\u00a0=\u00a00.09). Serum properdin (<jats:italic>P<\/jats:italic>\u00a0=\u00a00.03) levels were lower in the patients with MG than in the controls, and negatively correlated with the MG Activities of Daily Living score (<jats:italic>r<\/jats:italic>s\u00a0=\u00a0\u22120.26, <jats:italic>P<\/jats:italic>\u00a0=\u00a00.09) and with the presence of bulbar palsy (<jats:italic>P<\/jats:italic>\u00a0=\u00a00.04).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Our results show that activation of complements and an altered complement network could contribute to the inflammatory pathogenesis of MG.<\/jats:p><\/jats:sec>","DOI":"10.1111\/ene.14500","type":"journal-article","created":{"date-parts":[[2020,9,5]],"date-time":"2020-09-05T13:08:23Z","timestamp":1599311303000},"page":"314-322","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":21,"title":["Changes in serum complements and their regulators in generalized myasthenia 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