{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,16]],"date-time":"2026-05-16T00:35:34Z","timestamp":1778891734951,"version":"3.51.4"},"reference-count":24,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2015,3,19]],"date-time":"2015-03-19T00:00:00Z","timestamp":1426723200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Clinical Translational Sci"],"published-print":{"date-parts":[[2015,10]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>This study was designed to identify and quantify the different proteins expression levels in ankylosing spondylitis (AS) and to explore the pathogenesis of AS. We performed isobaric tags for relative and absolute quantitation (iTRAQ) coupled with multiple chromatographic fractionation and tandem mass spectrometry to detect the proteins profiling in peripheral blood mononuclear cells (PBMCs) from AS patients and healthy controls. Mascot software and the International Protein Index and the Gene Ontology (GO) database were used to conduct the bioinformatics analysis. The differentially expressed proteins were validated by enzyme\u2010linked immunosorbent assay (ELISA). A total of 1,232 proteins were identified by iTRAQ, of which 183 showed differential expression and 18 differentially expressed proteins were acute phase reactants. Upon mapping of the differentially expressed proteins to GO database, we found four differentially expressed proteins involved in the biological process of cell killing, including up\u2010regulated cathepsin G (CTSG), neutrophil defensin3 (DEFA3), protein tyrosine phosphatase receptor type C (PTPRC), and down\u2010regulated peroxiredoxin\u20101(PRDX1),which were consistent with the verified results of ELISA. Our proteomic analyses suggested that the proteins involved in the biological process of cell killing might play an important role in the pathogenesis of AS.<\/jats:p>","DOI":"10.1111\/cts.12265","type":"journal-article","created":{"date-parts":[[2015,3,19]],"date-time":"2015-03-19T09:19:17Z","timestamp":1426756757000},"page":"579-583","source":"Crossref","is-referenced-by-count":14,"title":["Quantitative Proteomic Analysis of Peripheral Blood Mononuclear Cells in Ankylosing Spondylitis by iTRAQ"],"prefix":"10.1111","volume":"8","author":[{"given":"Anji","family":"Cai","sequence":"first","affiliation":[{"name":"Department of Laboratory, Nanshan Affiliated Hospital of Guangdong Medical College  Shenzhen Guangdong P.R. China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Suwen","family":"Qi","sequence":"additional","affiliation":[{"name":"Department of Biomedical Engineering, Medical School, Shenzhen University  Shenzhen Guangdong P.R. China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhuowa","family":"Su","sequence":"additional","affiliation":[{"name":"Department of Laboratory, Nanshan Affiliated Hospital of Guangdong Medical College  Shenzhen Guangdong P.R. China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Huaqing","family":"Shen","sequence":"additional","affiliation":[{"name":"Department of Laboratory, Nanshan Affiliated Hospital of Guangdong Medical College  Shenzhen Guangdong P.R. China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yu","family":"Yang","sequence":"additional","affiliation":[{"name":"Department of Laboratory, Nanshan Affiliated Hospital of Guangdong Medical College  Shenzhen Guangdong P.R. China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Liang","family":"He","sequence":"additional","affiliation":[{"name":"Department of Laboratory, Nanshan Affiliated Hospital of Guangdong Medical College  Shenzhen Guangdong P.R. 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