{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,17]],"date-time":"2026-01-17T08:59:14Z","timestamp":1768640354548,"version":"3.49.0"},"reference-count":33,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2022,2,1]],"date-time":"2022-02-01T00:00:00Z","timestamp":1643673600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clinical Laboratory Analysis"],"published-print":{"date-parts":[[2022,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>Cell division cycle 42 (CDC42) regulates the polarization of M2\u00a0macrophage and maintains the T cell homeostasis, to participate in multiple autoimmune diseases, while its clinical involvement in ankylosing spondylitis (AS) remains unclear. Hence, the current study aimed to investigate the correlation of CDC42 with clinical characteristics and treatment outcome in AS patients receiving tumor necrosis factor (TNF) inhibitor therapy.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Peripheral blood mononuclear cell (PBMC) CDC42 expression was detected at baseline, week (W) 4, W8, and W12 after TNF inhibitor treatment in 91 AS patients and in 50 HCs after enrollment. Furthermore, serum TNF\u2010\u03b1, interferon\u2010\u03b3 (IFN\u2010\u03b3), interleukin\u201010 (IL\u201010), and interleukin\u201017A (IL\u201017A) from AS patients were detected at baseline.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Blood CDC42 was lower in AS patients compared with HCs (<jats:italic>p\u00a0<\/jats:italic>&lt;\u00a00.001). Additionally, blood CDC42 was negatively linked with CRP (<jats:italic>r\u00a0<\/jats:italic>=\u00a0\u22120.349, <jats:italic>p\u00a0<\/jats:italic>=\u00a00.001), BASDAI score (<jats:italic>r\u00a0<\/jats:italic>=\u00a0\u22120.243, <jats:italic>p\u00a0<\/jats:italic>=\u00a00.020), and ASDAS<jats:sub>CRP<\/jats:sub> score (<jats:italic>r\u00a0<\/jats:italic>=\u00a0\u22120.238, <jats:italic>p\u00a0<\/jats:italic>=\u00a00.023) in AS patients; however, blood CDC42 was not correlated with other clinical characteristics. Besides, CDC42 was negatively correlated with TNF\u2010\u03b1 (<jats:italic>r\u00a0<\/jats:italic>=\u00a0\u22120.237, <jats:italic>p\u00a0<\/jats:italic>=\u00a00.024) and IL\u201017A (<jats:italic>r\u00a0<\/jats:italic>=\u00a0\u22120.339, <jats:italic>p\u00a0<\/jats:italic>=\u00a00.001) but not with IFN\u2010\u03b3 (<jats:italic>p\u00a0<\/jats:italic>=\u00a00.083) or IL\u201010 (<jats:italic>p\u00a0<\/jats:italic>=\u00a00.280). Moreover, blood CDC42 was elevated after TNF inhibitor treatment (<jats:italic>p\u00a0<\/jats:italic>&lt;\u00a00.001). Meanwhile, blood CDC42 was not varied at baseline and W4 between response patients and non\u2010response patients, while it was higher at W8 (<jats:italic>p\u00a0<\/jats:italic>=\u00a00.019) and W12 (<jats:italic>p\u00a0<\/jats:italic>=\u00a00.002) in response patients than in non\u2010response patients after treatment.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Blood CDC42 deficiency links with elevated pro\u2010inflammatory cytokines, disease activity and unsatisfying response to TNF inhibitor in AS patients.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jcla.24267","type":"journal-article","created":{"date-parts":[[2022,2,1]],"date-time":"2022-02-01T17:55:57Z","timestamp":1643738157000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["PBMC CDC42 reveals the disease activity and treatment efficacy of TNF inhibitor in patients with ankylosing spondylitis"],"prefix":"10.1002","volume":"36","author":[{"given":"Qian","family":"Zhang","sequence":"first","affiliation":[{"name":"Department of Rheumatology Taizhou First People\u2019s Hospital Taizhou China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Du","family":"Jin","sequence":"additional","affiliation":[{"name":"Department of Rheumatology Taizhou First People\u2019s Hospital Taizhou China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiaoyue","family":"Mou","sequence":"additional","affiliation":[{"name":"Department of Rheumatology Taizhou First People\u2019s Hospital Taizhou China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1171-7889","authenticated-orcid":false,"given":"Hengli","family":"Ye","sequence":"additional","affiliation":[{"name":"Department of Orthopedics Huangyan Hospital Of Traditional Chinese Medicine Taizhou China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2022,2]]},"reference":[{"key":"e_1_2_8_2_1","unstructured":"AkhondiH VaracalloM. 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