• Title/Summary/Keyword: anti inflammatory

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Anti-inflammatory and Anti-tumor Effects of Tetragonia tetragonoides Extracts (번행초 추출물의 항염증 및 종양억제 효과)

  • Choi, Hye Jung;Yee, Sung-Tae;Kwon, Gi-Seok;Joo, Woo Hong
    • Microbiology and Biotechnology Letters
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    • v.43 no.4
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    • pp.391-395
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    • 2015
  • We examined the anti-inflammatory effect and anti-tumor activity of Tetragonia tetragonioides crude extracts and fractions. The anti-inflammatory activity of T. tetragonioides was exuded through the inhibition of lipopolysaccharide (LPS, $1{\mu}g/ml$), induced nitric oxide (NO) and interleukin (IL)-$1{\beta}$ production. The production of IL-6 and tumor necrosis factor $(TNF)-{\alpha}$ also decreased in LPS induced RAW264.7 cells after treatment with polysaccharide (PS) fraction. Furthermore, the hexane (HX) fraction strongly inhibited the granulocytes macrophage-colony stimulating factor (GM-CSF) production. In ICR mice previously inoculated with Sarcoma 180, the life prolongation effects were 16.67% with an intraperitoneal injection of methanol (MeOH) extract and polysaccharide fraction at a dose of 100 mg/kg/day. The results are an important preliminary step toward the development of effective anti-inflammatory and anti-tumor agents using T. tetragonioides.

The Effect of Gyejibokryunghwan on Fracture Union in Tibia-fractured Rats (계지복령환(桂枝茯苓丸)이 흰쥐의 골절유합에 미치는 영향)

  • Yoon, Jeong-Won;Kim, Soon-Joong
    • Journal of Korean Medicine Rehabilitation
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    • v.29 no.4
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    • pp.1-14
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    • 2019
  • Objectives The object of this study was to assess the effect of Gyejibokryunghwan (GBH) on anti-oxidant and anti-inflammatory activities in RAW 264.7 cells and on factors associated with fracture union in tibia-fractured rats. Methods The 1,1-diphenyl-2-picryl-hydrazyl (DPPH) radical scavenging activity was measured to assess anti-oxidant activity. The production of nitric oxide (NO), interleukin-6 (IL-6), interleukin-$1{\beta}$ ($IL-1{\beta}$) and tumor necrosis factor-${\alpha}$ ($TNF-{\alpha}$) in the RAW 264.7 cells were measured to assess anti-inflammatory activity. The production of osteocalcin, calcitonin, carboxy-terminal telepeptides of type II collagen (CTXII), transforming growth factor-${\beta}$ ($TGF-{\beta}$), bone morphogenetic protein-2 (BMP-2) in serum of tibia-fractured rats were measured to assess the effects of fracture union. X-rays were taken every two weeks from 0 to 4th week to assess fracture union effect. Results DPPH radical scavenging activity of GBH was increased according to concentration of GBH in RAW 264.7 cell. NO, prostaglandin $E_2$ ($PGE_2$), IL-6, $IL-1{\beta}$ and $TNF-{\alpha}$ were significantly decreased, indicating anti-inflammatory effect. Osteocalcin, calcitonin, $TGF-{\beta}$ were significantly increased in the experimental groups. CTXII was significantly decreased in the experimental groups. BMP-2 was not significantly changed in the experimental groups. The X-ray showed that the experimental group has better healing effects on tibia-fractured rats than control group. Conclusions From above result, GBH has an effect on anti-oxidant, anti-inflammatory activities in RAW 264.7 cells. GBH showed significant results in factors related with fracture union and radiologic examination. In conclusion, GBH can help fracture union and it well be expected to be used actively in clinics.

Anti-Inflammatory and Anti-Fibrotic Activities of Nocardiopsis sp. 13G027 in Lipopolysaccharides-Induced RAW 264.7 Macrophages and Transforming Growth Factor Beta-1-Stimulated Nasal Polyp-Derived Fibroblasts

  • Choi, Grace;Kim, Geum Jin;Choi, Hyukjae;Choi, Il-Whan;Lee, Dae-Sung
    • Microbiology and Biotechnology Letters
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    • v.49 no.4
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    • pp.543-551
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    • 2021
  • Nocardiopsis species produce bioactive compounds, such as antimicrobial and anti-cancer agents and toxins. However, no reports have described their anti-inflammatory and anti-fibrotic effects during nasal polyp (NP) formation. In this study, we investigated whether marine-derived bacterial Nocardiopsis sp. 13G027 exerts anti-inflammatory and anti-fibrotic effects on lipopolysaccharide (LPS)-stimulated RAW 264.7 macrophages and transforming growth factor (TGF)-β1-induced NP-derived fibroblasts (NPDFs). Nitric oxide (NO) and prostaglandin E2 (PGE2) levels were analyzed. Extract from Nocardiopsis sp. 13G027 significantly inhibited the upregulation of NO and PGE2 in LPS-activated RAW 264.7 macrophages. The expression of mitogen-activated protein kinases (MAPKs) and protein kinase B (Akt/PKB) in LPS-induced RAW 264.7 macrophages was evaluated; smooth muscle alpha-actin (α-SMA), collagen type I (Col-1), and fibronectin also phosphorylated small mothers against decapentaplegic (SMAD) 2 and 3 in TGF-β1-stimulated NPDFs. The Nocardiopsis sp. 13G027 extract suppressed the phosphorylation of MAPKs and Akt and the DNA-binding activity of activator protein 1 (AP-1). The expression of pro-fibrotic components such as α-SMA, Col-1, fibronectin, and SMAD2/3 was inhibited in TGF-β1-exposed NPDFs. These findings suggest that Nocardiopsis sp. 13G027 has the potential to treat inflammatory disorders, such as NP formation.

Ketoprofen-Polyethylene Glycol Conjugate: Pharmacokinetics. anti-inflammatory and analgesic activity

  • Jang, Mi-Hee;Kim, Soo-Yeon;Jeong, Choon-Sik;Oh, Seaung-Youl
    • Proceedings of the PSK Conference
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    • 2002.10a
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    • pp.410.2-411
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    • 2002
  • Ketoprofen (KP), a potent analgesic and non-steroidal anti-inflammatory drug, has some disadvantages such as gastro-intestinal irritation. short half-life (1.5-4 hour) in plasma and low solubility in aqueous solution. In order to minimize these disadvantages. we have recently prepared a KP prodrug, KP-polyethylene glycol conjugate (KPEG750, PEG Mw=750), and investigated its pharmacokinetic behavior. anti-inflammatory and analgesic effect. (omitted)

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Anti-inflammatory Flavonoids: Modulators of Proinflammatory Gene Expression

  • Kim, Hyun-Pyo;Son, Kun-Ho;Chang, Hyeun-Wook;Kang, Sam-Sik
    • Natural Product Sciences
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    • v.10 no.1
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    • pp.1-10
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    • 2004
  • Plant flavonoids possess anti-inflammatory activity in vitro and in vivo. Although the action mechanisms are not fully understood, recent studies have clearly shown that certain flavonoids, especially flavone derivatives, express their anti-inflammatory activity at least in part by modulation of proinflammatory gene expression such as cyclooxygenase-2, inducible nitric oxide synthase and various cytokines. This review summarizes the recent findings of flavonoids modulating expression of proinflammatory molecules.

Studies on the Anti-inflammatory Agents. Synthesis of Carboxamides and Their Anti-inflammatory Activity

  • Chae, Dong-Kyu
    • YAKHAK HOEJI
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    • v.21 no.4
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    • pp.173-176
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    • 1977
  • Four compounds, benzamide, N-(3-trifluoromethylphenyl) benzamide, N-(2,3-dimethylphenyl) cinnamamide and N-(3-trifluoromethylphenyl) cinnamamide, were synthesized and evaluated their activity by the method of the inhibitory effect on the carrageenin-induced rat paw edema, compared with phenylbutazone. All of these exhibited anti-inflammatory activity, and N-(2,3-dimethylphenyl) benzamide exhibited 45.7% edgema inhibition vs. control when 100mg/kg of dosage was administered, whereas phenylbutazone, 51.4% for 50mg/kg.

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Screening of Medicinal Plants on the Anti-inflammatory Effect and Active Component (전남지역 자생식물들의 소염활성검색 및 활성화합물)

  • 박종철;이효연
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.25 no.3
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    • pp.523-528
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    • 1996
  • The anti-inflammatory effect of the methanolic extracts of some medicinal plants was investigated on the hydrolysis of N-benzoylarginine-p-nitroanilide by trypsin in vitro, the writhing syndrome induced by acetic acid in mice, and the carrageenin-induced paw edema in rats. Among tested medicinal plants, the methanoilc extract of Angelica keiskei, Rosa rugosa and Cudrania tricuspidata showed significant inhibitory effect. And we also found that adenosine, isolated from A. keiskei was identified as one active components.

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Anti-inflammatory Activity of a Flavonol Glycoside from Tephrosia Spinosa

  • Chakradhar, V.;Babu, Y. Hari;Ganapaty, S.;Prasad, Y. Rajendra;Rao, N. Koteswara
    • Natural Product Sciences
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    • v.11 no.2
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    • pp.63-66
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    • 2005
  • A rare flavonol glycoside identified as $eupalitin-3-O-{\beta}-D-glucoside$ (I) was isolated from Tephrosia spinosa (Leguminosae) and its anti-inflammatory activity was evaluated against carrageenin induced paw edema. The compound exhibited significant activity when compared to the standard drug indomethacin.