Abstract Title:

Paeoniflorin ameliorates symptoms of experimental Sjogren's syndrome associated with down-regulating Cyr61 expression.

Abstract Source:

Int Immunopharmacol. 2016 Jan ;30:27-35. Epub 2015 Nov 26. PMID: 26630293

Abstract Author(s):

Huidan Li, Xiaoxuan Sun, Jie Zhang, Yue Sun, Rongfen Huo, Haichuan Li, Tianhang Zhai, Baihua Shen, Miaojia Zhang, Ningli Li

Article Affiliation:

Huidan Li


Paeoniflorin (PF), an active compound extracted from Paeony root, has been used in therapy of autoimmune diseases with effective clinical efficiency and higher safety. Sjogren's syndrome (SS) is a chronic, systemic, immune-mediated inflammatory disease. In this study, we demonstrated that novel pro-inflammatory factor Cyr61/CCN1 was up-regulated in epithelial cells of salivary glands of primary SS patients and submandibular gland autoantigen-induced experimental SS mice. Blocking Cyr61 expression with special monoclonal antibody improved saliva secretion by ameliorating inflammatory infiltration and cytokines production in vivo. Furthermore, we showed that PF could alleviate inflammation by down-regulating Cyr61 expression in experimental SS mice. In conclusion, our new findings revealed for the first time that Cyr61 involves the pathogenesis of primary SS and PF alleviates SS-like symptoms associated with inhibiting Cyr61 expression, providing new insights into the potential molecular mechanism of PF in primary SS treatment.

Study Type : Animal Study

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