Abstract:
:Chronic pulmonary inflammation (CPI) gives rise to serious lung injuries in rheumatoid arthritis (RA) patients. However, the molecular mechanism underlying the pathogenesis of RA-associated CPI remains little understood. Here we established a novel tree shrew-based collagen-induced arthritis (TsCIA) model to study RA-associated CPI. Our results showed that typical CPI but not fibrosis developed pathologically in the TsCIA model. Furthermore, abnormal up-regulation of pulmonary chemokine CXCL10 was directly associated with lung damage. Specific blockage of CXCR3 (a CXCL10 receptor) significantly decreased the severity of CPI by decreasing the recruitment of inflammatory cells. Therefore, CXCL10 is proposed as a key player responsible for the development of TsCIA-associated CPI. Our findings also suggest that CXCR3 could be developed as a potential diagnosis biomarker for RA-associated CPI.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Gao B,Lin J,Jiang Z,Yang Z,Yu H,Ding L,Yu M,Cui Q,Dunavin N,Zhang M,Li Mdoi
10.1038/s41598-018-28404-ysubject
Has Abstractpub_date
2018-07-03 00:00:00pages
9993issue
1issn
2045-2322pii
10.1038/s41598-018-28404-yjournal_volume
8pub_type
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