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Review
. 2021 Sep;35(9):4804-4833.
doi: 10.1002/ptr.7118. Epub 2021 Apr 15.

Medicinal plants and bioactive natural products as inhibitors of NLRP3 inflammasome

Mohammad Bagherniya  1   2 , Hamed Khedmatgozar  3 , Omid Fakheran  4 , Suowen Xu  5 , Thomas P Johnston  6 , Amirhossein Sahebkar  7   8   9   10
Affiliations
Review

Medicinal plants and bioactive natural products as inhibitors of NLRP3 inflammasome

Mohammad Bagherniya et al. Phytother Res. 2021 Sep.

Abstract

The NLR family, pyrin domain-containing 3 (NLRP3) inflammasome is a multiprotein complex that induces caspase-1 activation and the downstream substrates involved with the processing and secretion of the pro-inflammatory cytokines interleukin-1β (IL-1β) and IL-18 and tumor necrosis factor-α (TNF- α). The NLRP3 inflammasome is activated by a wide range of danger signals that derive from metabolic dysregulation. Activation of this complex often involves the adaptor ASC and upstream sensors including NLRP1, NLRP3, NLRC4, AIM2, and pyrin, which are activated by different stimuli including infectious agents and changes in cell homeostasis. It has been shown that nutraceuticals and medicinal plants have antiinflammatory properties and could be used as complementary therapy in the treatment of several chronic diseases that are related to inflammation, for example, cardiovascular diseases and diabetes mellitus. Herb-based medicine has demonstrated protective effects against NLRP3 inflammasome activation. Therefore, this review focuses on the effects of nutraceuticals and bioactive compounds derived from medicinal plants on NLRP3 inflammasome activation and the possible mechanisms of action of these natural products. Thus, herb-based, natural products/compounds can be considered novel, practical, and accessible agents in chronic inflammatory diseases by inhibiting NLRP3 inflammasome activation.

Keywords: NLRP3 inflammasome; herbal medicine; inflammation; interleukin-1β; natural products; nutraceuticals; therapeutics.

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References

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