{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,7]],"date-time":"2025-11-07T19:09:32Z","timestamp":1762542572594,"version":"3.38.0"},"reference-count":52,"publisher":"Oxford University Press (OUP)","issue":"8","license":[{"start":{"date-parts":[[2016,10,1]],"date-time":"2016-10-01T00:00:00Z","timestamp":1475280000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2016,10,15]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>Joint diseases are often characterized by inflammatory processes that result in pathological changes in joint tissues, including cartilage degradation and release of components into the synovial fluid. The complement system plays a central role in promoting the inflammation. Because several cartilage proteins are known to interact with complement, causing either activation or inhibition of the system, we aimed to investigate these interactions comprehensively. Bovine cartilage explants were cultured with IL-1\u03b1 to induce cartilage degradation, followed by incubation with human serum. Label-free selected reaction monitoring mass spectrometry was used to specifically quantify complement proteins interacting with the cartilage explant. In parallel, the time-dependent degradation of cartilage was detected using mass spectrometry analysis (liquid chromatography\u2013tandem mass spectrometry). Complement proteins resulting from activation of the classical, alternative, and terminal pathways were detected on IL-1\u03b1\u2013stimulated cartilage at time points when clear alterations in extracellular matrix composition had occurred. Increased levels of the complement activation product C4d, as detected by ELISA in serum after incubation with IL-1\u03b1\u2013stimulated cartilage, confirmed the selected reaction monitoring results indicating complement activation. Further, typical activated (cleaved) C3 fragments were detected by Western blotting in extracts of IL-1\u03b1\u2013stimulated cartilage. No complement activation was triggered by cartilage cultured in the absence of IL-1\u03b1. Components released from IL-1\u03b1\u2013stimulated cartilage during culture had an inhibitory effect on complement activation. These were released after a longer incubation period with IL-1\u03b1 and may represent a feedback reaction to cartilage-triggered complement activation observed after a shorter incubation period.<\/jats:p>","DOI":"10.4049\/jimmunol.1601006","type":"journal-article","created":{"date-parts":[[2016,9,15]],"date-time":"2016-09-15T02:13:44Z","timestamp":1473905624000},"page":"3415-3424","source":"Crossref","is-referenced-by-count":12,"title":["Quantitative Mass Spectrometry To Study Inflammatory Cartilage Degradation and Resulting Interactions with the Complement System"],"prefix":"10.1093","volume":"197","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5487-4270","authenticated-orcid":false,"given":"Camilla","family":"Melin F\u00fcrst","sequence":"first","affiliation":[{"name":"Division of Medical Protein Chemistry, Department of Translational Medicine, Lund University , S-205 02 Malm\u00f6,","place":["Sweden"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Emma","family":"\u00c5hrman","sequence":"additional","affiliation":[{"name":"Division of Infection Medicine, Department of Clinical Sciences Lund, Lund University , S-221 84 Lund,","place":["Sweden"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0930-2390","authenticated-orcid":false,"given":"Klas","family":"Bratteby","sequence":"additional","affiliation":[{"name":"Division of Medical Protein Chemistry, Department of Translational Medicine, Lund University , S-205 02 Malm\u00f6,","place":["Sweden"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9896-4064","authenticated-orcid":false,"given":"Sofia","family":"Waldemarson","sequence":"additional","affiliation":[{"name":"Department of Immunotechnology, Lund University , S-223 81 Lund,","place":["Sweden"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2889-7169","authenticated-orcid":false,"given":"Johan","family":"Malmstr\u00f6m","sequence":"additional","affiliation":[{"name":"Division of Infection Medicine, Department of Clinical Sciences Lund, Lund University , S-221 84 Lund,","place":["Sweden"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1348-1734","authenticated-orcid":false,"given":"Anna M","family":"Blom","sequence":"additional","affiliation":[{"name":"Division of Medical Protein Chemistry, Department of Translational Medicine, Lund University , S-205 02 Malm\u00f6,","place":["Sweden"]}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[2016,10,15]]},"reference":[{"key":"2025030617553108500_r1","doi-asserted-by":"crossref","first-page":"478","DOI":"10.1016\/j.joca.2010.09.013","article-title":"OARSI-FDA initiative: defining the disease state of osteoarthritis","volume":"19","author":"Lane","year":"2011","journal-title":"Osteoarthritis Cartilage"},{"key":"2025030617553108500_r2","doi-asserted-by":"crossref","first-page":"517","DOI":"10.1080\/07853890701477546","article-title":"Rheumatoid arthritis and the complement system","volume":"39","author":"Okroj","year":"2007","journal-title":"Ann. 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