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KMID : 0620720190250010064
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Natural Product Sciences
2019 Volume.25 No. 1 p.64 ~ p.71
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Anti-nociceptive and Anti-inflammatory Properties of Ilex latifolia and its Active Component, 3,5-Di-caffeoyl Quinic Acid Methyl Ester
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Kim Joo-Youn
Lee Hong-Kyu
Seong Yeon-Hee
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Abstract
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The present study was conducted to investigate anti-nociceptive and anti-inflammatory effects of the leaves of Ilex latifolia Thunb (I. latifolia) in in vivo and in vitro. Writhing responses induced by acetic acid and formalin- and thermal stimuli (tail flick and hot plate tests)-induced pain responses for nociception were evaluated in mice. I. latifolia (50 ? 200 mg/kg, p.o.) and ibuprofen (100 mg/kg, p.o.), a positive non-steroidal anti-inflammatory drug (NSAID), inhibited the acetic acid-induced writhing response and the second phase response (peripheral inflammatory response) in the formalin test, but did not protect against thermal nociception and the first phase response (central response) in the formalin test. These results show that I. latifolia has a significant anti-nociceptive effect that appears to be peripheral, but not central. Additionally, I. latifolia (50 and 100 μg/mL) and 3,5-di-caffeoyl quinic acid methyl ester (5 μM) isolated from I. latifolia as an active compound significantly inhibited LPS-induced NO production and mRNA expression of the pro-inflammatory mediators, iNOS and COX-2, and the pro-inflammatory cytokines, IL-6 and IL-1β, in RAW 264.7 macrophages. These results suggest that I. latifolia can produce antinociceptive effects peripherally, but not centrally, via anti-inflammatory activity and supports a possible use of I. latifolia to treat pain and inflammation.
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KEYWORD
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Ilex latifolia, 3,5-di-caffeoyl quinic acid methyl ester, anti-nociception, anti-inflammation, cyclooxygenase-2, nitric oxide, pro-inflammatory cytokines
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