• 제목/요약/키워드: Il-6 inhibitory effect

검색결과 585건 처리시간 0.025초

Inhibitory Effect of Rosmarinic acid Extrcted from Euonymus Alatus on Cyclooxygenase-2

  • Ryu, Jung-Man
    • 대한한의학회지
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    • 제29권5호
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    • pp.111-117
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    • 2008
  • Objectives and methods : Previous mechanistic studies suggest the cyclooxygenase-2 (COX-2) inhibitors represent the good candidates against tumor progression. MeOH extract of the stem barks of Euonymus alatus induced the strong inhibition of COX-2. A phenolic compound responsible for the anti- COX-2 known to involve in tumor adhesion and invasion has been studied through the methanol extracts. The compound, rosmarinic acid (ROS-A) was an ester of caffeic acid and 3,4-dihydroxyphenyllactic acid. ROS-A showed a strong inhibitory effect of COX-2 activity in a concentration-dependent manner. Then we have measured the IL-1${\beta}$, IL-6 and TNF-${\alpha}$ production related the immune regulation, induction of inflammatory related genes. Results and Conclusions :Hep3B cells produce proinflammatory cytokines of IL-1${\beta}$, IL-6 and TNF-${\alpha}$ while ROS A inhibited the cytokines production. Since IL-1${\beta}$, IL-6 and TNF-${\alpha}$ need the transcription factors such as nuclear factor- ${\kappa}$B (NF-${\kappa}$B) and activated protein-1 (AP-1), we measured the transcription factors. ROS-A inhibited the activation of p65, p50, c-Rel subunits of NF-${\kappa}$B and AP-1 transcription factors. These findings indicate that ROS A from the stem bark of E. alatus inhibits proliferation in metastatic cancer cells. It was suggested that stem barks of E. alatus could be suitable for anti-cancer drugs.

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양마에서 분리한 Kaempferol 및 그 배당체의 항염증 효과에 관한 연구 (Study on the Anti-inflammatory Effect of Kaempferol and Kaempferol Rhamnosides Isolated from Hibiscus cannabinus L.)

  • 이근하;조영롱;주철규;주연정;권순상;박청
    • 한국약용작물학회지
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    • 제19권6호
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    • pp.426-434
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    • 2011
  • In this study, to evaluate the anti-inflammatory effects of kaempferol and its rhamnosides isolated from Hibiscus cannabinus L. leaves, we investigated UVB-induced inhibitory effects on inflammatory reaction by measuring the cytokine as the prostaglandin ($PGE_2$), interleukine-6 (IL-6) and interleukine-8 (IL-8). We investigated the inhibitory effects of kaempferol and its rhamnosides on TARC (thymus and activation-regulated chemokine) and $PGE_2$. Kaempferol and ${\alpha}$-rhamnoisorobin showed inhibition activity of TARC generated to compared to positive control. Kaempferol, ${\alpha}$-rhamnoisorobin and afzelin Inhibited the release of $PGE_2$. Also, only kaempferol significantly inhibited interleukine-6 (IL-6), interleukine-8 (IL-8) among UVB-induced inflammatory cytokine.

Synergistic Effects of Bee Venom and Natural Killer Cells on B16F10 Melanoma Cell Growth Inhibition through IL-4-mediated Apoptosis

  • Sin, Dae Chul;Kang, Mi Suk;Song, Ho Sueb
    • Journal of Acupuncture Research
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    • 제34권1호
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    • pp.1-9
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    • 2017
  • Objectives : We investigated the synergistic effects of bee venom (BV) and natural killer (NK) cells on B16F10 melanoma cell apoptosis mediated by IL-4. Methods : We performed a cell viability assay to determine whether BV can enhance the inhibitory effect of NK-92MI cells on the growth of B16F10 melanoma cells, and western blot analysis to detect changes in the expression of IL-4, $IL-4R{\alpha}$, and other apoptosis-related proteins. EMSA was performed to observe the activity of STAT6. To confirm that the inhibitory effect of BV and NK cells was mediated by IL-4, the above tests were repeated after IL-4 silencing by siRNA (50 nM). Results : B16F10 melanoma cells co-cultured with NK-92MI cells and simultaneously treated by BV ($5{\mu}g/ml$) showed a higher degree of proliferation inhibition than when treated by BV ($5{\mu}g/ml$) alone or co-cultured with NK-92MI cells alone. Expression of IL-4, $IL-4R{\alpha}$, and that of other pro-apoptotic proteins was also enhanced after co-culture with NK-92MI cells and simultaneous treatment with BV ($5{\mu}g/ml$). Furthermore, the expression of anti-apoptotic bcl-2 decreased, and the activity of STAT6, as well as the expression of STAT6 and p-STAT6 were enhanced. IL-4 silencing siRNA (50 nM) in B16F10 cells, the effects of BV treatment and NK-92MI co-culture were reversed. Conclusion : These results suggest that BV could be an effective alternative therapy for malignant melanoma by enhancing the cytotoxic and apoptotic effect of NK cells through an IL-4-mediated pathway.

수종의 청열약물의 미백 및 항알러지 효과에 대한 실험적 연구 (Experimental studies on the Whitening and Anti-allergic effect of various Herbal medicines that clear heat)

  • 이명규;김경준
    • 한방안이비인후피부과학회지
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    • 제20권3호
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    • pp.71-81
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    • 2007
  • Objective : In this study, herbal medicine(GJE, Gardenia jasminoides Ellis; HCT, Houttuynia cordata Thunb.; CIL, Chrysanthemum indicum Linne; PMS,Paeonia moutan Sims, P. subfruticosa Makino; APL, Agrimonia pilosa Ledebour) were screened for their inhibitory activities against Tyrosinase and PMA plus A23187-induced $TNF-{\alpha}$, IL-6, IL-8 productions in HMC-1 cells to reveal their skin -whitening and anti-allergic effect. Method : To investigate Tyrosinase inhibition we treated Mushroom Tyrosinase(Fluka, 93898) $10{\mu}{\ell}$ and 7.5mM Tyrosine (Sigma, T3754) $20{\mu}{\ell}$ with 80% ethanol medicine extracts. Then we observed 96well micro plate extinction at 490nm. In the next experiment, to investigate Anti-allergic effect we blended cultured Human Mast Cells(HMC-1) with medicine extracts. We treated the blended solution with Phorbol 12-myristate 13-acetate(PMA) and A23187, then observed $TNF-{\alpha}$, IL-6, IL-8 by ELISA (enzyme-linked immunosorbent assay) at 450nm. Results : In inhibiting Tyrosinase the results are as follows. 1. We observed 22% inhibition of Mushroom Tyrosinase at $500{\mu}g/m{\ell}$ concentration of GJE extracts. 2. We also could observe that the decreased Mushroom Tyrosinase activities in HCT, CIL extracts. In inhibiing $TNF-{\alpha}$, IL-6, IL-8 productions in HMC-1 cells the results are as follows. 1. Of the extracts examined, HCT, PMS, APL extracts showed over 50% inhibitions of Cytokines at $200{\mu}g/m{\ell}$ concentration. 2. In particular, APL extracts showed the best inhibitory effect on Cytokine productions in a dose-dependent manner. Conclusion : These results suggest that GJE extracts contributes to the anti melanin activities and represent a potential source of whitening agent. Thus these herbal medicines suggest novel drugs on anti-allergic effects.

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세심탕(洗心湯)에 의한 뇌(腦) 성상세포(星狀細胞)로부터 염증성(炎症性) 세포활성물질(細胞活性物質)의 분필(分泌) 억제(抑制) 효과(效果) (Studies on Inhibitory Effect of inflammatory Cytokines Secretion from Brain Astrocytes by Sesim-Tang)

  • 김태헌;김준한;류영수;강형원
    • 동의신경정신과학회지
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    • 제12궈1호
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    • pp.137-149
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    • 2001
  • Cytokines are polypeptides which possess various biological properties affecting. host defense function and response to disease. Inflammatory cytokines, tumor necrosis $factor-{\alpha}$(TNF-${\alpha}$), interleukin(IL)-1 and IL-6 induce inflammation, fever, hypotension and pain when injected into animals or human subject. When glial cell cultures were prepared from neonatal mice or rats, astrocytes were reported to produce these inflammatory cytokines to viral infection, lipopolysaccharide(LPS), or cytokines. The purpose of this study was to investigate the regulatory effect of these cytokines secretion from primary cultures of rat astrocytes. Substance P(SP) can stimulate secretion of TNF-${\alpha}$ from astrocytes stimulated with LPS. Sesim-Tang significantly inhibited the TNF-${\alpha}$ secretion by astrocytes stimulated with SP and LPS. IL-1 has been shown to elevate TNF-${\alpha}$ secretion from LPS-stimulated astrocytes while having no effect on astrocytes in the absence of LPS. We therefore also investigated whether IL-1 mediated inhibition of TNF-${\alpha}$ secretion from primary astrocytes by Sesim-Tang. Treatment of Sesim-Tang to astrocytes stimulated with both LPS and SP decreased IL-1 secretion significantly. The secretion of TNF-${\alpha}$ by LPS and SP in astrocytes was progressively inhibited with increasing amount of IL-1 neutralizing antibody. Furthermore Sesim-Tang inhibited the IL-6 secretion by astrocytes stimulated with SP and LPS. The inhibitory effect of inflammatory cytokines by Sesim-Tang, observed in this study, might reflect an antiinflammatory activity and a reduction of various-type pains, fever etc. in the central nervous system.

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정천탕(定喘湯)과 청상보하탕(淸上補下湯)이 asthma model 내(內)의 cytokine에 미치는 영향(影響) (The Effects of Jeongcheon-tang and Cheongsangboha-tang on IL-4, IL-5, Il-6 and IL-10 in Asthma Model)

  • 정희재;이형구;정승기;김영우
    • 대한한방내과학회지
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    • 제22권3호
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    • pp.367-377
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    • 2001
  • Objectives: We aimed to identify. the effect of Jeongcheon-tang(定喘湯) and Cheongsangboha-tang(淸上補下湯) on the transcriptional activities of cytokine IL-4, IL-5, IL-6 and IL-10 involved in asthma model. Materials and Methods: RBL-2H3 cell lines were used. Cells were stimulated with calcium inophore($2{\mu}M$ : Sample group 1, $4{\mu}M$ : Sample group 2) for maximal gene expression. After 3rd treatment of samples and incubation(per 24hours), total cellular RNAs were collected using Trizol solution method. Then transcriptional activities of IL-4, IL-5, IL-6 and IL-10 were measured by RT-PCR with electrophoresis. Results: In IL-4 study, Jeongcheon-tang treated group showed 82.76%(Sample group 1) of transcriptional activities compared to the control group and Cheongsangboha-tang treated groups showed 85.77% (Sample group 1), 89.42% (Sample group 2) of transcriptional activities compared to the control groups. In IL-5 study, Jeongcheon-tang treated groups showed 88.24%(Sample group 1), 98.83%(Sample group 2) of transcriptional activities compared to the control groups and Cheongsangboha-tang treated group showed 73.66%(Sample group 2) of transcriptional activities compared to the control group. In IL-6 study, Jeongcheon-tang treated group showed 92.95%(Sample group 2) of transcriptional activities compared to the control group and Cheongsangboha-tang treated group showed n.40%(Sample group 2) of transcriptional activities compared to the control group. In IL-10 study, Jeongcheon-tang treated group showed 118.46% (Sample group 2) of transcriptional activities compared to the control group. Conclusions: This study shows that Jeongcheon-tang has the inhibitory effect on the transcription of IL-4, IL-5, IL-6 gene expression and the increasing effect on the transcription of IL-10 gene expression, and Cheongsangboha-tang has the inhibitory effect on the transcription of IL4, IL-5 and IL-6 gene expression in RBL-2H3 cell lines. Advanced studies are required to investigate the mechanisms of inhibition or increase by herbal medicine in asthma model.

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율피추출물의 사람 비만세포주 사이토카인 발현 억제 효과 (Inhibitory Effects of Chestnut Inner Shell Cytokine Production from Human Mast Cell Line)

  • 전동하;장영아;김희영;김수진;김진철;김세현;권대준;한상익;이진태
    • 대한본초학회지
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    • 제28권2호
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    • pp.55-60
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    • 2013
  • Objectives : Atopic dermatitis (AD) is a chronic inflammatory skin disease characterized by eczematous inflammtion of the skin. The chestnut inner shell extracts (CI) has been used as a cosmetic material for a long time in Korea. However, the precise anti-allergy effects of CI have yet to be clearly elucidated. In this study, we attempted to evaluate the effect of CI on mast cell-mediated allergy inflammation. Methods : To find the anti-allergy and inflammatory effect of CI, we investigated the inhibitory effect of CI on the production of inflammatory mediators using by enzyme-linked immunosorbent assay in phorbol 12-myristate 13-acetate (PMA) plus calcium ionophore (A23187) stimulated-human mast cell (HMC-1). Results : In this study, we found that CI did not show cytotoxic effect at up to 10 ug/ml on HMC-1. CI inhibited the production of tumor necrosis factor (TNF)-${\alpha}$, interleukin (IL)-6 and IL-8 in stimulated HMC-1. Maximal rate of TNF-${\alpha}$, IL-6 and IL-8 inhibition by CI (10 ug/ml) were about 47.6%, 44.1% and 22.5% respectively. In addition, we showed that Fr.3 isolated from n-Butyl alcohol layer of CI attenuated the production of TNF-${\alpha}$, IL-6 and IL-8 in HMC-1. Conclusion : Taken together, the findings of this study provide us with a novel insight action of CI as a potential molecule for use in the treatment of allergic inflammation diseases.

에탄올 농도별 꼬불염주말의 최적추출조건 및 전염증성 사이토카인 억제 효과 (Optimal extraction conditions of Chaetomorpha torta by ethanol concentration and inhibitory effect on pro-inflammatory cytokines)

  • 송진의;신태현
    • 문화기술의 융합
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    • 제10권4호
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    • pp.41-46
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    • 2024
  • 본 연구에서는 꼬불염주말 추출물이 화장품 원료 소재로서의 가능성을 확인하고자 하였다. 이에 에탄올 농도별 꼬불염주말의 최적추출조건을 찾고, 전염증성 사이토카인(TNF-α, IL-1β, IL-6)의 억제 효과를 확인하여 항염 효과가 있는지 살펴보고자 하였다. 실험 결과의 주요 내용은 다음과 같다. 첫째, 꼬불염주말의 최적추출조건 기준을 DPPH 라디칼 소거능과 폴리페놀 수율로 하였을 때, 70% 농도의 에탄올 추출물이 가장 적합하였다. 둘째, Raw 264.7을 이용한 세포 독성 평가를 진행한 결과, 100 ㎍/mL 이하의 농도에서는 세포 독성을 나타내지 않았다. 셋째, LPS로 유도된 Raw 264.7 세포에서 전염증성 사이토카인인 TNF-α, IL-1β, IL-6의 억제 효과를 측정한 결과, 모든 사이토카인 생성이 농도에 비례하게 감소하였으며, 100 ㎍/mL 농도에서 각각 73.76±2.6%, 84.8±2.42%, 91.91±0.47%를 보여 매우 뛰어난 항염능이 있음을 확인하였다. 이와 같은 연구 결과에 따라 꼬불염주말 추출물은 항염 특성을 가진 화장품 원료 소재로서 활용 가치가 있을 것으로 보이며, 녹조류와 관련된 항산화, 항균, 항염 활성 등에 관한 연구가 더 활발하게 이루어진다면 해양 자원의 유용한 기초 자료가 될 것으로 사료된다.

RAW 264.7 및 HaCaT Cell에서 당유자 미숙과의 염증억제 효과 (Anti-inflammatory Effect of Unripe Fruit of Citrus grandis Osbeck in RAW 264.7 and HaCaT Cells)

  • 이혜자;강경진;윤원종;강희경;김영석;김소미;유은숙
    • 생약학회지
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    • 제37권2호통권145호
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    • pp.74-80
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    • 2006
  • We investigated the anti-inflammatory activities of unripe fruit of Citrus grandis Osbeck growing at Jeju Island, through the evaluation of their inhibitory effect on the production of inflammatory markers (IL-6, iNOS, COX, TARC and MDC) in RAW264.7 murine macrophage cells and HaCaT human keratinocyte cells. Among the sequential solvent fractions obtained from crude extract, hexane and chloroform $(CHCI_3)$ fractions showed potential inhibitory activity on the mRNA expressions of IL-6, iNOS and COX-2 at the concentration of $100\;{\mu}g/ml$ in RAW264.7 cells. Also, EtOAc fraction showed inhibitory activity on the thymus and activation-regulated chemokine (TARC)/CCL17 and macrophage-derived chemokine (MDC)/CCL22 at the concentration of $50\;{\mu}g/ml$ in HaCaT cells. These results suggest that the unripe fruit of C. grandis may have anti-inflammatory activity through the suppression of inflammatory markers (IL-6, iNOS, COX, TARC and MDC).

어성초(漁腥草) 약침(藥鍼)이 B16흑색종(黑色腫) 암(癌)모델에 대한 항종양효과(抗腫瘍效果) 및 면역반응(免疫反應)에 미치는 영향(影響) (Experimental Study on the Effect of Houttuyniae Herbal Acupuncture on the Growth of Melanoma 816 in Mice)

  • 배원영;고형균;김창환
    • Journal of Acupuncture Research
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    • 제18권1호
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    • pp.186-201
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    • 2001
  • Purpose ; In order to study the effect of Houttuyniae herbal acupuncture on growth of melanoma B 16 and immunity in mice, the Control group with normal saline acupunchure after subcutaneous inoculation of B16BL6 cells, the Sample I with Houttuyniae herbal acupuncture manufactured by distilled water extraction method after subcutaneous inoculation of B16BL6 cells and the Sample II with Houttuyniae herbal acupuncture manufactured by alcohol extraction method after subcutaneous inoculation of B16BL6 cells were divided. Methods ; To evauluate the effect of Houttuynias herbal acupuncture on growth of melanoma B16 in mice, the weight of mouse melanoma, body weight, spleen index( $\sqrt(Weight of spleen/Body weight){\times}100$), lymphocytes numbers in mouse peripheral blood and spleen tissue, the percentage of CD4+ T cells, CD8+ and the ratio of CD4+/CD8+ in mouse peripheral blood and spleen tissue are measured. Results ; In study of the weight of mouse melanoma, Houttuyniae herbal acupuncture groups(Sample I, Sample II) showed statistically significant inhibitory effect. And in study of effect of reduction of change in body weight of mouse, Sample I showed statistically significant inhibitory effect, too. In study of reduction of spleen index, lymphocytes numbers in mouse spleen tissue, and the percentage of CD4+ and the ratio of CD4+/CD8+ T cells in mouse peripheral blood, Houttuyniae herbal acupuncture groups(Sample I, Sample II ) showed with statistically significant inhibitory effect. Also, Sample I showed inhibitory effect of reduction of the percentage of CD8+ T cells in mouse peripheral blood and spleen tissue and Sample II showed inhibitory effect of reduction of the percentage of CD4+ and the ratio of CD4+/CD8+ T cells in mouse spleen tissue with statistical significance. Conclusions ; The inhibitory effect of reduction of lymphocytes numbers in mouse peripheral blood and IL-2 productivity, Houttuyniae herbal acupuncture groups(Sample I, Sample II) didn't show significant effect.

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