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Anti-inflammatory potency of Locusta migratoria manilensis cyclopeptides in mast cells and macrophages

机译:Locusta Migratoria manilensis肥大细胞和巨噬细胞的抗炎效力

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摘要

Locusts are esteemed as a traditional Chinese medicine, as well as tonic foods in Asian countries. While searching for natural anti-inflammatory agents in natural products, we isolated four novel locust cyclopeptides (LCPs) and the results show that [cyclo-(Trp-Leu-His-Thr)]similar to LCP-3 has potent anti-inflammatory potency in RAW264.7 and HMC-1 cells under LPS (lipopolysaccharide) stimuli. Furthermore, mechanistic studies show that LCP-3 attenuates pro-inflammatory cytokine (TNF-alpha, IL-6, IL-1 beta, NO and PGE2) expression. Moreover, LCP-3 attenuates inflammatory damage associated with the direct inhibition of iNOS and COX-2 expression. LCP-3 also regulates the MAPK, PI3K/AKT and NF-kappa B pathways to attenuate LPS-induced damage. Of note, our study first reports the anti-inflammatory potency of LCPs and elucidates their underlying molecular mechanisms.
机译:蝗虫被尊重为中药,以及亚洲国家的滋补食品。 在寻找天然产物中的天然抗炎剂,我们孤立四种新蝗虫环肽(LCP),结果表明,与LCP-3相似的[Cyclo-(Trp-Leu-His-Thr)]具有效力的抗炎效力 在LPS(脂多糖)刺激下的RAW264.7和HMC-1细胞中。 此外,机械研究表明,LCP-3衰减促炎细胞因子(TNF-α,IL-6,IL-1β,NO和PGE2)表达。 此外,LCP-3衰减与InOS和COX-2表达的直接抑制相关的炎症损伤。 LCP-3还调节MAPK,PI3K / AKT和NF-KAPPA B途径,以衰减LPS诱导的损伤。 注意,我们的研究首先报道了LCP的抗炎效力,并阐明了其潜在的分子机制。

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    《RSC Advances》 |2019年第54期|共10页
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  • 正文语种 eng
  • 中图分类 化学;
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