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  • Title: Actinidia arguta extract attenuates inflammasome activation: Potential involvement in NLRP3 ubiquitination.
    Author: Heo KH, Sun X, Shim DW, Kim MK, Koppula S, Yu SH, Kim HB, Kim TJ, Kang TB, Lee KH.
    Journal: J Ethnopharmacol; 2018 Mar 01; 213():159-165. PubMed ID: 29174375.
    Abstract:
    ETHNOPHARMACOLOGICAL RELEVANCE: Actinidia arguta (A. arguta) has been widely used in Asian countries as a traditional medicinal herb to treat inflammation-related diseases, such as gastritis, bronchitis, and arthritis. AIM OF THE STUDY: The inhibitory effect of A. arguta leaves' extract (AA) on inflammasome activation was investigated to verify its traditional use in treating inflammation-related diseases. MATERIALS AND METHODS: Bone marrow-derived macrophages (BMDMs) primed by lipopolysaccharide (LPS) were activated by selective inflammasome stimulators, and the effect of AA on inflammasome activation was investigated. A monosodium urate crystal (MSU)-induced peritonitis mouse model was used to study the in vivo efficacy of AA on inflammasome activation. RESULTS: In the in vitro study, AA regulated NLRP3 ubiquitination and apoptosis-associated speck-like protein containing a CARD (ASC) oligomerization, leading to the inhibition of NLRP3 inflammasome-mediated interleukin (IL)-1β secretion. The inhibitory effect of AA on inflammasome activation in vitro was further confirmed in vivo using an MSU-induced peritonitis mouse model. CONCLUSION: AA provided scientific evidence, substantiating the traditional claims for its use in the treatment of inflammation and inflammation-mediated metabolic disorders, including gout.
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