• 제목/요약/키워드: IL-35

검색결과 2,365건 처리시간 0.051초

Enhanced Anti-inflammatory Effects of γ-irradiated Pig Placenta Extracts

  • Kim, Kang Chang;Heo, Jae Hyeok;Yoon, Jong Kwang;Jang, Yuyeon;Kim, Youn Kyu;Kim, Chang-Kyu;Oh, Yu-Kyung;Kim, Young Bong
    • 한국축산식품학회지
    • /
    • 제35권3호
    • /
    • pp.293-298
    • /
    • 2015
  • Porcine placenta extract (PPE) is known to possess anti-inflammatory properties owing to its high concentration of bioactive substances. However, the need to eliminate blood-borne infectious agents while maintaining biological efficacy raises concerns about the optimal method for sterilizing PPE. Therefore, the objective of this study was to compare the effects of the standard pressurized heat (autoclaving) method of sterilization with γ-irradiation on the anti-inflammatory effects of PPE. The anti-inflammatory actions of these two preparations of PPE were evaluated by measuring their inhibitory effects on the production of NO, the expression of iNOS protein, and the expression of iNOS, COX2, TNF-α, IL-1β, and IL-6 mRNA in lipopolysaccharide-stimulated RAW 264.7 cells. Compared with autoclaved PPE, γ-irradiated PPE showed significantly greater inhibition of NO production and iNOS protein expression, and produced a greater reduction in the expression of iNOS, COX2, TNF-α, IL-1β, and IL-6 mRNA. These results provide evidence that the sterilization process is crucial in determining the biological activity of PPE, especially its anti-inflammatory activity. Collectively, our data suggest that γ-irradiated PPE acts at the transcriptional level to effectively and potently suppresses the production of NO and the expression of pro-inflammatory cytokines.

삼채(三菜) 물추출물이 RAW 264.7 세포의 항산화 및 염증반응에 미치는 영향 (Anti-oxidant and anti-inflammatory effect of Allium Hookeri water extracts in RAW 264.7 cells)

  • 이상수;한효상;유자연;남명수;김기광
    • 대한본초학회지
    • /
    • 제35권4호
    • /
    • pp.37-43
    • /
    • 2020
  • Objectives : Allium hookeri is a well-known traditional herbal remedy and its root used for treatment of inflammation and tumor. However, the mechanism of anti-inflammatory effect of Allium hookeri is still unknown. This study aims to examine the mechanism of anti-inflammatory effect of Allium hookeri on mouse macrophage cell line, RAW 264.7 cells. Methods : Anti-oxidant effect of water extract of Allium hookeri (WEAH) was measured by 2,2'-azino-bis-3-ethylbenzothiazoline-6-sulphonic acid (ABTS) assay. 3- (4,5-dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl)-2H-tetrazolium (MTS) assay was performed to determine the effect of WEAH on cell viability in RAW 264.7 cells. In addition, anti-inflammatory effect of WEAH was investigated in RAW 264.7 cells. Inflammation of RAW 264.7 cells induced by lipopolysarccharide (LPS) treatment and expression levels of inflammatory cytokine interleukin 1 β (IL-1β) and interleukin 6 (IL-6) gene were analyzed using quantitative reverse transcription PCR (qRT-PCR) analysis. Furthermore, the phosphorylation of inhibitor of nuclear factor kappa B (IκBα) after LPS treatment with WEAH-treated RAW 264.7 cells was confirmed by immunoblot analysis. Results : WEAH showed a strong anti-oxidant effect and no cytotoxicity to RAW 264.7 cells up to 2 mg/㎖ concentration. The LPS-induced mRNA expression levels of IL-1β and IL-6 were decreased by WEAH treatment. Furthermore, the LPS-induced phosphorylation of IκBα is attenuated by WEAH treatment. Conclusions : Through experimental demonstration of anti-oxidant and anti-inflammatory effects of WEAH, we suggest that Allium hookeri is a valuable material for prevention and treatment of various inflammatory diseases.

Lactoferrin의 생리적 기능과 Lactoferricin의 항원결정기 (Biological Functions of Lactoferrin and Antigenic Determinants of Lactoferricin)

  • 남명수;도기경일
    • Journal of Dairy Science and Biotechnology
    • /
    • 제14권2호
    • /
    • pp.229-245
    • /
    • 1996
  • 1. CM-Sephadex C-50-120 column을 사용하여 HLF를 효과적으로 정제하였다. CM-Sepha-dex 50-120 column chromatography를 수행한 결과, HLF는 NaCl 350 mM-500 mM 사이에서 용출되었으며, 용출된 분획을 SDS-PAGE를 수행해서 단일 band를 확인하였다. Anti-HLF antibody를 이용한 Western blotting 결과 nitrocellulose paper 상에 단일 band 가 나타나므로 HLF 가 효과적으로 정제되었다는 것을 알 수 있었다. 2. Con A, PWM, PWA LPS 등의 자극원으로 단핵구와 대식세포를 자극한 다음 BLF를처리한 배 양액을 IL-1 bioassy한 결과는 Con A 33%, PMA 33%, PWM 15%, LPS 35% 이고, HLF로 처리하여 IL-1 bioassay를 한 결과는 Con A 15%, PMA 22%, PWM 10%, LPS 5%로 감소된 것으로 나타났다. 3. K-562 세포를 이용한 colony forming assay에서 BLF가 10 g/ml일 때는 30%, 30 g/ml일 때는 35%, HLF는 10 g/ml일 때는 5%,30 g/ml일 때는 30%의 저해를 나타냈다. 4. Lactoferrin의 면역증강효과를 알아보기 위하여 hapten인 VCR-BSA를 투여 한 후, 생성되는 항체생성능력을 ELISA로 비교하였다. 그 결과 HLF 및 BLF 투여군에서 대조군에 비하여 adjuvant 효과를 관찰할 수 있었다. 또한 이때 macrophage 수는 대조군에 비하여 HLF와 BLF를 투여한 군이 증가됨을 알 수 있었다. 이러한 결과로 미루어 볼 때 LF는 macrophage를 활성화 시켜서 항체 생성 능력을 증가시키는 효과가 있음을 관찰할 수 있었다. 5. Balb/c mouse의 thymus로부터 분리한 CD4- CD8- 세포를 BLF로 처리하여 24 시간 배양한 후 CB4$^-$ CD8$^-$ 세포의 분화를 측정한 결과, CD4$^-$를 CD4$^+$ 로 분화하였다. 그리고 HLF로 처리하여 24 시간 배양 후 CD4$^-$ CD8$^-$ 세포의 분화를 측정한 결과, CD4$^-$ CD8$^-$를 CD4$^+$ CD8$^+$ 로 분화하였다. 6. Lactoferrin이 T cell의 IL-2 production에 미치는 영향은 PMA 처리군, PMA+OKT3처리군, LF 단독 처리군 보다 PMA+OKT3+LF를 처리한 군이 IL-2 생성에 영향을 미쳤다. 7. Lfcin B의 단일크론항체에 의해 인식되어지는 Lfcin B의 항원결정기는 ‘QWR’로 밝혀졌다.

  • PDF

LPS로 유도된 RAW 264.7 대식세포에서 청대의 항염증효과 (Anti-Inflammatory Effect of Chung-Dae in LPS-Treated RAW 264.7 Cells)

  • 장수주;강순아
    • 한국식품영양학회지
    • /
    • 제35권2호
    • /
    • pp.116-126
    • /
    • 2022
  • The purpose of this study was to analyze the anti-inflammatory effect of Chung-Dae Indigo Pulverata Levis, indigo naturalis) produced during indigo dyeing. As a result of in vitro cytotoxicity experiments using RAW 264.7 cell, Chung-Dae extract did not inhibit cell proliferation in Raw 264.7 cells in the range of 1~32 ㎍/mL. NO production was significantly reduced when Chung-Dae extracts were treated at concentrations of 2, 8, and 32 ㎍/mL (p<0.05). The pro-inflammatory cytokines TNF-α, IL-6, IL-1β and IFN-γ significantly decreased when the Chung-Dae extract was treated at concentrations of 2, 8, and 32 ㎍/mL compared to the LPS group, and similarly, the TNFα and IL-6 mRNA levels also decreased. Additionally, the mRNA level of COX-2 was also suppressed. At the protein expression level, the expression of TNF-α, IL-6, iNOS and COX-2 were observed with LPS and Chung-Dae extract significantly decreased compared to the group treated with only LPS (p<0.05). From the above results, it shows that Chung-Dae extract, a plant-derived compound, inhibits the inflammatory response induced by LPS in RAW 264.7 cells. and in particular, regulates the inflammatory response by inhibiting the expression of pro-inflammatory cytokines and inflammation-related enzymes.

청간해울탕(淸肝解鬱湯)과 십륙미유기음(十六味流氣飮)의 유방암에 대한 항암, 항염 효능 연구 (Research on the Anti-Breast Cancer and Anti-Inflammatory Effects of Chungganhaewool-tang and Shipyeukmiyeugi-eum)

  • 류효경;정민재;조성희
    • 대한한방부인과학회지
    • /
    • 제35권3호
    • /
    • pp.1-23
    • /
    • 2022
  • Objectives: The purpose of this study is to evaluate anti-breast cancer and anti-inflammatory effects of Chungganhaewool-tang and Shipyeukmiyeugi-eum. Methods: MDA-MB-231 cells were used to measure cytotoxicity, Reactive oxygen species (ROS) production, protein expression amounts of Bcl-2-associated X protein (Bax), B-cell lymphoma 2 (Bcl-2), B-cell lymphoma-extra large (Bcl-xl), Cytochrome C Caspase-3, Caspase-7, Caspase-9, Poly ADP-ribose polymerase (PARP), Nuclear factor erythroid-2-related factor 2 (Nrf2), Heme oxygenase-1 (HO-1) and NAD (P) H Quinone Oxidoreductase 1 (NQO1) to evaluate the anti-breast cancer effects of Chungganhaewool-tang (CHT) and Shipyeukmiyeugi-eum (SYE), and THP-1 cells, differentiated into macrophage and induced inflammation with Lipopolysaccharide (LPS), were used to measure production amounts of ROS, Nitric oxide (NO), and protein expression amounts of Inducible nitric oxide synthase (iNOS), Cyclooxygenase (COX-2), Interleukin-1 beta (IL-1β), Interleukin-6 (IL-6) and Tumor necrosis factor-alpha (TNF-α) to evaluate the anti-inflammatory effects of CHT and SYE. Results: CHT and SYE reduced MDA-MB-231 cell counts, increased protein expression of Bax and Cytochrome C, and decreased protein expression of Bcl-2, Bcl-xl. The protein expression amounts of Caspase-3, 7, and 9 decreased, but amounts of the active form, cleaved Caspase-3, 7, and 9, increased. In addition, PARP protein expression decreased, the amount of PARP protein in the cleaved form increased, and the amount of protein expressions of Nrf2 and HO-1 decreased, but NQO1 showed no significant difference. In THP-1 cells CHT and SYE reduced ROS and NO, and reduced protein expressions of iNOS, COX-2, IL-1, and TNF-α, but only SYE groups reduced IL-6. Conclusions: This study suggests that CHT and SYE have potential to be used as treatments for breast cancer.

Raw 264.7 세포에서 화독단(化毒丹)의 항염증 효능에 대한 연구 (Research of the Anti-inflammatory Effects of Hwadokdan on Raw 264.7 Cells)

  • 신기석;황보민;지선영
    • 한방안이비인후피부과학회지
    • /
    • 제35권3호
    • /
    • pp.36-47
    • /
    • 2022
  • Objectives : The purpose of this study was to evaluate the anti-Inflammatory effect of Hwadokdan(HDD) extracted with water. Methods : We pretreated LPS-activated Raw 264.7 cell with HDD and anti-inflammatory effect of HDD is investigated by measuring NO production, relative iNOS, and TNF-α, IL-6, IL-1β, PGE2 productions level, p-IκBα, IκBα, NFκB. Results : HDD reduced NO production and iNOS protein, TNF-α, IL-6 level at concentration of 100㎍/㎖ and 300㎍/㎖ in LPS-activated Raw 264.7 cell significantly. There wasn't a significant cytotoxicity in MTT assay. And HDD reduced IL-1β level at concentration of 300㎍/㎖ in LPS-activated Raw 264.7 cell significantly. HDD reduced p-IκBα and NFκB protein level at concentration of 300㎍/㎖ in LPS-activated Raw 264.7 cell significantly. And HDD enhanced IκBα protein level at concentration of 100㎍/㎖ and 300㎍/㎖ in LPS-activated Raw 264.7 cell significantly. Conclusions : These suggests that HDD can be used as a therapeutic drug for various inflammatory diseases.

Cytotoxicity of Impregnated Dental Gingival Retraction Cord Extracts in Immortalized Human Oral Fibroblasts and Keratinocytes in vitro

  • Myung-Jin Lee;Song-Yi Yang
    • 한국재료학회지
    • /
    • 제33권4호
    • /
    • pp.130-134
    • /
    • 2023
  • This study evaluated cell viability and cytokine release in immortalized human oral fibroblasts (hTERT-hNOFs) and keratinocytes (IHOK) exposed to a dental-impregnated gingival retraction cord. To prepare the extracts, dental gingival retraction cords impregnated with aluminum chloride hexahydrate were immersed in a cell culture medium for 24 h at 37 ℃. hTERT-hNOFs and IHOK were cultured for 24 h. The cell culture medium was removed and extracts of the dental gingival retraction cords were added. After incubation with the extract solution, cell viability was evaluated using an MTT assay. The levels of the cytokines IL-1α and IL-8 were measured in the supernatants of each cell type. The cell viability after exposure to the extract solution for 10 min exceeded 70 % in both cell types. The ET50 values for hTERT-hNOF and IHOK were 35.75 and 28.98 min, respectively. For IHOK, the IL-1α level was (5.35 ± 5.22) pg/mL at 10 min, (3.58 ± 5.38) pg/mL at 20 min, and (2.85 ± 4.28) pg/mL at 60 min of exposure (p > 0.05). The IL-8 level in IHOK was (67.16 ± 18.70) pg/mL at 10 min, (78.36 ± 7.50) pg/mL at 20 min, and (111.9 ± 26.10) pg/mL at 60 min of exposure (p > 0.05). Cytokine release was not observed from hTERT-hNOFs. Based on these results, cell viability and cytokine release were confirmed in cells exposed to the impregnated gingival retraction cord. In addition, the application of the extracts to hTERT-hNOF and IHOK during the actual contact time and determination of ET50 may be beneficial for evaluating the biocompatibility of dental-impregnated gingival retraction cords.

Enterokinase에 의한 Glucagon.3-Interleukin-2 {G.3-IL-2} 의 단백질 분해 연구 (Study on Proteolysis of Glucagon .3-Interleukin-2 {G.3-IL-2} Using Enterokinase)

  • 이운영;이지원;김인호
    • KSBB Journal
    • /
    • 제15권3호
    • /
    • pp.238-242
    • /
    • 2000
  • Enterokinase에 의한 G3-IL-2 가수분해 반응에 있어서의 urea 는 글루카곤과 IL-2를 분리하고자 하는 데에 펼요한 절단 부위 가 잘 노출되도록 도움을 주는 역할을 하는데 1.0 M이상의 높 은 농도에서 오히려 원하는 단백질의 변성에 영향을 미침을 알 수 있었다, 그리고 효소 반응 시에 효소의 활성에 도움을 주는 첨가제는 반응 후에 침전이 생기고, IL-2의 회수율에는 오히려 나쁜 영향을 주었다. 그리고 반응시간에 따른 반응의 효과는 24 시간 이후에는 효소에 의한 가수분해 반응이 진행되지 않음이 관찰되었다. 가수분해 반응 후의 순수한 IL-2의 회수율은 약 1 5 5~35% 정도였고, 반응 조건에 따라 수융은 차이가 있었다. IL-2는 시간이 지남에 따라 분자 상호 간의 응집에 의해 oligomer의 형태가 되어 본래의 크기보다 더 커져 RP-HPLC에서 더 빨리 용리되는 결과를 얻을 수 있었다.

  • PDF

CD4+, IL17 and Foxp3 Expression in Different pTNM Stages of Operable Non-small Cell Lung Cancer and Effects on Disease Prognosis

  • Zhang, Guo-Qing;Han, Feng;Fang, Xin-Zhi;Ma, Xiao-Mei
    • Asian Pacific Journal of Cancer Prevention
    • /
    • 제13권8호
    • /
    • pp.3955-3960
    • /
    • 2012
  • Objective: To investigate the effects of $CD4^+$, IL17 and Foxp3 expression on prognosis of operable non-small cell lung cancer (NSCLC) with different pTNM stages. Methods: Expression of $CD4^+$, IL17 and Foxp3 in 102 cases of NSCLC tissues and adjacent cancer tissues was detected by immunohistochemistry and associations with prognosis with different pTNM stages were analyzed. The Chi-square test was used to compare count data. Survival differences were evaluated by Kaplan-Meier single factor analysis and the COX regression model was used to analyze the relationship between influential factors and the disease prognosis. The significance level was ${\alpha}$=0.05. Results: Expression of CD4, IL-17 and Foxp3 significantly varied in different pTNM stages of NSCLC tissues (P < 0.05). The same was true for CD4 expression (P < 0.05). The median survival time (MST) in the positive CD4 expression group was evidently higher than that in the negative group (25.8/23.9 months). Compared with stage III, the MST difference of stages I and II in the positive CD4 expression group were statistically significant (P < 0.05). The MST in positive IL-17 and Foxp3 expression groups was obviously lower than that in the corresponding negative group (P < 0.05) (25.6/35.1 months and 24/35.3 months, respectively). There was a significant difference of MST between any two of three stages of positive IL-17 expression group (P < 0.05), and it was the same with positive Foxp3 expression group. TNM stage, negative CD4 expression, and positive IL-17 and Foxp3 expression were the main risk factors for the prognosis of NSCLC. Conclusion: Surgical prognosis of NSCLC can be better assessed by the combination of clinical staging and expression of IL17 and Foxp3.

비소세포 폐암 세포 (NCI-H520) 이식 마우스에서 포모사 자두 추출물의 면역활성 및 악액질 억제효과 (Anticancer and Immunomodulatory Effects of Formosa Plum Extracts on Non-small Cell Lung Carcinoma, NCI-H520, Xenograft Mice)

  • 손영숙;이상남;박지하
    • 대한본초학회지
    • /
    • 제35권6호
    • /
    • pp.35-41
    • /
    • 2020
  • Objectives : The object of this study was to observe anticancer and immunomodulatory effects of Formosa plum aqueous extracts (PLe) on non-small cell lung carcinoma (squamous epithelial carcinoma), NCI-H520, xenograft Balb/c nu-nu nude mice. Method : Three different dosages of PLe, 50, 100 and 200 mg/kg were orally administered once a day for 28 days from 11 days after tumor cell inoculation. Five groups, each of seven mice per group were used in the present study as follows. Tumor volume and weights, serum interferon (IFN)-γ levels, serum IL-6 were observed with tumor mass and lymphatic organ histopathology to detect anticancer and immunomodulatory effects. Result : Although no meaningful changes on the tumor weights and volumes were observed after treatment of all three different dosages of PLe, decreases of tumor cell volumes in tumor masses were dose-dependently decreased mediated by increases of apoptosis among tumor cells by treatment of PLe 100 and 200 mg/kg as compared with tumor-bearing control. In addition, decreases on the body weight and gains were also demonstrated in tumor-bearing control with increases of serum IL-6 levels. Conclusion : The results obtained in this study suggest that over 50 mg/kg of PLe showed favorable immunomodulatory and anticachexic effects with anticancer effects in 100 and 200 mg/kg of PLe treated groups on the NCI-H520 cell xenograft. However, detail mechanism studies should be conducted in future with the screening of the biological active compounds in this herb.