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(순천향대학교) (순천향대학교) (순천향대학교) (순천향대학교) (순천향대학교) (순천향대학교)
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    초록·키워드

    Toll-like receptors (TLRs), which are pattern recognition receptors (PRRs), recognize pathogen-associated molecular patterns (PAMPs) and regulate the activation of innate immunity. All TLR signaling pathways culminate in the activation of NF-κB, leading to the induction of inflammatory gene products such as cyclooxygenase-2 (COX-2) and inducible nitric oxide synthase (iNOS). Parthenolide, a sesquiterpene lactone isolated from the herb feverfew (Tanacetum parthenium), has been used as folk remedies to treat many chronic diseases for many years. In the present report, we present biochemical evidence that parthenolide inhibits the NF-κB activation induced by TLR agonists and the overexpression of downstream signaling components of TLRs, MyD88, IKKβ, and p65. Parthenolide also inhibits TLR agonists-induced COX-2 and iNOS expression. These results suggest that parthenolide can modulate the immune responses regulated by TLR signaling pathways.

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      UCI(KEPA) : I410-ECN-0101-2010-510-002142845