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Involvement of pro-inflammatory and anti-inflammatory cytokines in the anti-inflammatory activity of Rubus idaeus *** LPS-treated RAW 264.7 cells

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Journal of Chinese Pharmaceutical Sciences 2010年第3期19卷 201-208页

作者：肖飞朱江赵雷郑国华杨安树陶君彦张宝徽黄志军熊富良武汉健民集团湖北武汉430054 江西省食品工业研究所江西南昌330029 华中科技大学协和医学院传染科湖北武汉430022 湖北中医学院药学院湖北武汉430065 南昌大学食品科学与技术国家重点实验室江西南昌330047

anti-inflammatory activity ofRubus idaeus L. and possible mechanisms involved were explored in lipopolysaccharide （LPS）-treated RAW 264.7 cells. The effects of ethanol extract of R. idaeus on the levels of pro-inflammatory cytokines, including tumor necrosis factor-alfa （TNF-α）, interleukin-6 （IL-6） and interleukin-1 beta （IL-1β）, as well as pro-inflammatory mediators, such as nitric oxide （NO）, inducible nitric oxide synthase （iNOS） and cyclooxygenase-2 （COX-2） were studied by Sandwich ELISA, real-time PCR, and Western blot analysis. Moreover, the effects of ethanol extract of R. idaeus on anti-inflammatory cytokine interleukin-10 （IL-10） and anti-inflammatory mediator heme oxygenase-1 （HO-1） were also investigated using the same methods. Furthermore, nuclear factor-gB （NF-κB） level was assayed by immunocytochemistry. The results showed that the production of IL-1β, IL-6, NO, TNF-α and COX-2 in LPS-treated cells could be significantly inhibited （P〈0.01 or P〈0.05） by ethanol extract ofR. idaeus compared with that in the cells treated with LPS only. Meanwhile, the production of NF-r,B was also inhibited by the extract. Based on these results, the anti-inflammatory activity ofR. idaeus was attributed to the down-regulation of IL-6, IL-1β and TNF-α levels as well as gene expression of iNOS and COX-2 through the suppression of NF-κB activation, and induction of anti-inflammatory cytokine IL- 10 and anti-inflammatory mediator HO- 1.

关键词： Rubus idaeus L. RAW 204.7 cell NF-κB Pro-inflammatory cytokines anti-inflammatory cytokines

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Role of inflammatory cytokines in peripheral nerve injury

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Neural Regeneration Research 2012年第29期7卷 2259-2266页

作者： Federica Fregnan Luisa Muratori Anabel Rodriguez Simǒes Maria Giuseppina Giacobini-Robecchi Stefania Raimondo Department of Clinical and Biological Sciences University of TurinOrbassano 10043 TurinItaly Neuroscience Institute of the "Cavalieri Ottolenghi" Foundation Orbassano 10043TurinItaly

inflammatory events occurring in the distal part of an injured peripheral nerve have, nowadays, a great resonance. Investigating the timing of action of the several cytokines in the important stages of Wallerian degeneration helps to understand the regenerative process and design pharmacologic intervention that promotes and expedites recovery. The complex and synergistic action of inflammatory cytokines finally promotes axonal regeneration. cytokines can be divided into pro- and anti-inflammatory cytokines that upregulate and downregulate, respectively, the production of inflammatory mediators. While pro-inflammatory cytokines are expressed in the first phase of Wallerian degeneration and promote the recruitment of macrophages, anti-inflammatory cytokines are expressed after this recruitment and downregulate the production of all cytokines, thus determining the end of the process. In this review, we describe the major inflammatory cytokines involved in Wallerian degeneration and the early phases of nerve regeneration. In particular, we focus on interleukin-1, interleukin-2, interleukin-6, tumor necrosis factor-β, interleukin-10 and transforming growth factor-β.

关键词： pro-inflammatory cytokines anti-inflammatory cytokines inflammatory reaction peripheral nervoussystem nerve injury wallerian degeneration Schwann cells macrophage axonal regeneration myelin neural regeneration

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New translational and experimental insights into the role of proresolving lipid mediators in inflammatory bowel disease

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World Journal of Experimental Medicine 2022年第1期12卷 1-15页

作者： Lívia Bitencourt Pascoal Bruna Biazon Palma Fabio Henrique Mendonça Chaim Marina Moreira de Castro Tiago Andrade Damázio Ana Paula Menezes de Freitas Franceschini Marciane Milanski Lício AugustoVelloso Raquel Franco Leal inflammatory Bowel Disease Research Laboratory Colorectal Surgery UnitDepartment of SurgerySchool of Medical SciencesUniversity of CampinasCampinas 13083-878São PauloBrazil Laboratory of Metabolic Disorders School of Applied SciencesUniversity of CampinasCampinas 13083-878São PauloBrazil Laboratory of Cell Signaling School of Medical SciencesUniversity of CampinasCampinas 13083-864São PauloBrazil

The resolution of inflammation is an active process,guided by specialized proresolution lipid mediators(SPMs).These mediators originate from polyunsaturated fatty acids,such as *** evidence suggests that the beneficial effects attributed to omega-3 are,at least in part,the result of the immunomodulatory action of the SPMs,which act systemically by overcoming inflammation and repairing tissue damage,without suppressing the immune *** studies suggest that an imbalance in the synthesis and/or activity of these compounds may be associated with the pathogenesis of several inflammatory conditions,such as inflammatory bowel disease(IBD).Thus,this review highlights the advances made in recent years with regard to the endogenous synthesis and the biological role of lipoxins,resolvins,protectins,and maresins,as well as their precursors,in the regulation of inflammation;and provides an update on the participation of these mediators in the development and evolution of IBD and the therapeutic approaches that these immunomodulating substances are involved in this context.

关键词： Pro-resolving lipid mediators anti-inflammatory cytokines Omega-3 Chronic inflammation Pro-inflammatory cytokines inflammatory bowel disease

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