• Title/Summary/Keyword: IL-5

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The Relationship between Radiation-Induced Apoptosis and the Expression of Cytokines in the Rat's Liver (백서 간에서 방사선조사에 의한 Apoptosis와 Cytokine 발현과의 관계)

  • An Eun Joo;Lee Kyung-Ja;Rhee Chung-Sik
    • Radiation Oncology Journal
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    • v.18 no.3
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    • pp.205-213
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    • 2000
  • Purpose : To determine the role of cytokines in the apoptosis of rat's liver following irradiation. Materials and Methods : Sprague-Dawley rats were irradiated to entire body with a single dose of 8 Gy. The rats were divided Into 5 groups according to the sacrlfice day after irradiation. The liver and blood after 1, 3, 5, 7, and 14 days irradiation were sampled for evaluation of mechanism of apoptosis and role of cytokine in relation to radiation-induced tissue damage. The study was composed of microscopic evaluation of liver tissue, in situ detection method for apoptosis, immunohistochemical stain of IL-1, IL-4, IL-6 and TNF, bioassay and radioimmunoassay of IL-6 in liver tissue and blood. Results : Radiation-induced liver damage was noted from first day of radiation, and most severe parenchymal damage associated with infiltration of chronic inflammatory cells was seen in the groups of 5 days after radiation. A number of apoptosis were observed 1 day after radiation on both light microscope and in situ method. Afterwards, the number of apoptosis was gradually diminished. On immunohistochemical study, IL-1 and TNF were expressed 1, 3 days after radiation, but not expressed after that. IL-4 was not expressed in the entire groups. IL-6 was expressed with strong positivity in 1, 3 days after radiation. Bioassay and RIA of IL-6 in liver tissue and blood showed the highest value in 1 day after radiation, and the value is diminished after then. Conclusion. Apoptosis seemed to be the important mechanism of radiation-induced liver damage, and is possibly induced by the release of cytokines, such as IL-1, IL-6, TNF in view the simultaneously increased appearance of pooptosis and cytokines.

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Eosinophil and IgE responses of IL-5 transgenic mice experimentally infected with Nippostrongylus brasiliensis

  • Chai, Jong-Yil;Shin, Eun-Hee;Takatsu, Kiyoshi;Matsumoto, Naoki;Kojima, Somei
    • Parasites, Hosts and Diseases
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    • v.37 no.2
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    • pp.93-99
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    • 1999
  • Eosinohil and IgE responses of interleukin IL(-5 transgenic and normal C3H/HeN mice were studied after experimental infection with Nippostrongylus brasiliensis 9Nb). Intestinal worms were recovered at day 5 post-infection (PI), and numbers of total white blood cells (WBC) and eosinophils, and total serum IgE and anti-hapten (dinitrophenyl)(DNP) specific IgE titers, were measured at days 0,14 and PI. IL-5 mice appeared resistant to Nb infection showing a significantly ower worm recovery rate than normal mice (P<0.05). Total WBC and eosinophil counts (/mm3) were significantly increased in Nb infected normal mice (p<0.05), but unchanged (total WBC) or decreased (eosinophils) in IL-5 mice at day 21 PI. The total serum IgE level remarkably increased in normal mice, but only a little in IL-5 mice at days 14 and 21 PI. Priming with DNP brought about more remarkable increases of the total and anti-DNP specific IgE in normal mice than in IL-5 mice. The results show that IL-5 mice are resistant to Nb infection, and that eosinophil and IgE responses in these mice are not augmented by N infection.

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Effect of Ginseng Saponin on the Proliferation and Viability of Murine Thymocyte, in vitro (생쥐 흉선세포의 증식과 생존력에 미치는 인삼 사포닌의 영향)

  • 최선경;정노팔
    • Journal of Ginseng Research
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    • v.10 no.2
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    • pp.133-140
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    • 1986
  • Ginseng saponin had an effect on the proliferation and viability of cultured murine thymocytes. When the thymocytes were cultured in various concentrations of ginseng saponin, the number of thymocytes increased at $10^{-5}$% ginseng saponin but decreased at $10^{-5}$%. There was little change in the number of thymocytes when cultured in IL 2(Interleukin 2), a factor known for its influence on the proliferation and maturation of thymocytes. When the thymocytes were cultured in various concentrations of IL 2 with $10^{-5}$% ginseng saponin, the number of total cells increased at 1.5% or 3% IL 2 when cultured for 9 hours, or at 6% IL 2 for 12, 24, or 48 hours. But there was little change in the number of viable cells. In vitro, ginseng saponin had an effect on the activity of ADA(Adenosine Deaminase), an enzyme known to affect the production of IL 2. There was a 25% increase in the activity of ADA in the presence of $10^{-5}$% ginseng saponin.

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The Effects of Forsythiae Fructus n-BuOH Fraction on Atopic Dermatitis (연교(連翹) n-BuOH 분획물의 아토피 피부염 억제 효과)

  • Lee, Jin Hwa;Han, Jae Kyung;Kim, Yun Hee
    • The Journal of Pediatrics of Korean Medicine
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    • v.30 no.3
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    • pp.1-30
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    • 2016
  • Objectives Previous studies have found out that Forsythiae Fructus (FF) extracts have anti-atopic activities by in vitro experiment. In order to understand more about FF extracts' benefit, we subdivided FF extracts depending on systematic fractionation method by using Methylene chloride (MC), Ethyl acetate (EtOAc), n-BuOH and n-hexane (n-Hx). This study is designed to examine the effect of FF fractions on the PMA- ionomycin-induced activation of RBL-2H3 mast cell lines in vitro and on the DNCB-induced activation of NC/Nga mice in vivo. Methods For this study, we examined IL-4, IL-13 production by ELISA analysis, IL-4, IL-13, IL-31, IL-31RA and TNF-${\alpha}$ mRNA expression by real-time PCR and manifestations of AP-1 and MAPKs transcription factors by western blotting in vitro. Through in vitro experiment, we selected FF n-BuOH fraction that seems the best effective in atopic dermatitis then induced it on NC/Nga mice by DNCB. We measured mice's WBC, eosinophil and neutrophil in heart blood, IL-4, IL-5, IFN-${\gamma}$ in the spleenocyte culture supernatant, the absolute cell numbers of CD4+, CD8+, B220+CD23+, CD3+CD69+ and Gr-1+CD11b+ in the PBMCs, ALN and dorsal skin, IL-5, IL-13, IL-31, IL-31RA in the dorsal skin by real-time PCR and the distribution of immune cells by H&E on dorsal skin and ANL and toluidine blue staining on dorsal skin. Results FF n-BuOH fraction suppressed IL-4, IL-13 production and mRNA expression of IL-4, IL-13, IL-31, IL-31RA and TNF-${\alpha}$. Results from the western blot analysis showed that FF n-BuOH fraction reduced the activation of the mast cell specific transduction factors involved in AP-1 by suppressing JNK and ERK phosphorylation. In the gross, atopic dermatitis induced by DNCB in NC/Nga mice were improved by oral administration of FF n-BuOH fraction. Oral FF n-BuOH fraction also decreased the level of IgE in mice's serum and the level of IL-4 and IL-5 in the spleenocyte culture supernatant, cell numbers of CD8+, B220+CD23+ in the PBMCs, CD4+ in the ALN and CD4+, Gr-1+CD11b+ in the dorsal skin and suppressed mRNA expression of IL-5, IL-13, IL-31, IL-31RA in the dorsal skin. Histological examination showed that infiltration levels of immune cells in atopic dermatitis induced NC/Nga mice were improved by FF n-BuOH fraction. Conclusions FF n-BuOH fraction can reduce pruritus by suppressing IL-31, IL-31RA secretion and modulate molecular mediators and immune cells associated with atopic dermatitis induced in NC/Nga mice which may have played a significant role in recovering atopic dermatitis symptoms.

Synthesis of Azaisoflavones and Evaluation of Their Inhibitory Effects on IL-5

  • Jeon , Raok;Lee, Ji-Hae;Jung, Sang-Hun;Cho, Soo-Hyun;Lee, Jee-Hyun;Ju, Jung-Hun;Kim, Mi-Kyung;Lee, Seung-Ho;Ryu, Jae-Chun
    • Proceedings of the PSK Conference
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    • 2002.10a
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    • pp.344.2-344.2
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    • 2002
  • Sophoricoside analogs are natural isoflavonoids isolated from fruits of Sophora japonica L. and exhibited an inhibitory effect on IL -5. Many synthetic variations on isoflavonoids has been reported. but relatively few examples of quinolone analogs have been described. As part of our endeavor to develop novel and effective IL-5 inhibitor, we have synthesized azaisoflavones by cyclization of the key intermediate, 2'-aminochalocone obtained from substituted aniline. The synthesized azaisoflavones were evaluated for their inhibitory activtities on IL-5 comparing with natural Sophoricoside analogs. None of the azaisoflavones showed promixing inhibitory effects In the assay. Nevertheless. assay data Indicated that 5.7-phenolic hycroxy groups on the A-ring and alkyl subsitiuent on N1 seemed to play an importnt role in the IL-5 bioassay.

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The Effects of Gamcho on Histamine and Cytokine Production In Murine Asthma Model (감초가 천식모델 생쥐의 plasma내 histamine과 폐조직내 cytokien 생성에 미치는 효과)

  • Song Shang Jin;Bae Han Ho;Park Yang Chun
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.18 no.3
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    • pp.841-845
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    • 2004
  • This experiment was designed to investigate the effect of Gamcho(Glycyrrhiza uralensis Fisch, GLU) in asthma. We measured histamine, IL-1β, IL-4, 1L-5, IL-6, IL-10, IL-13, in plasma of ovalbumin induced asthmatic mouse. The results were obtained as follows: GLU decreased the proliferation of histamine, IL-1β, IL-4, IL-5, IL-6, IL-13 significantly. GLU increased the proliferation of IL-10 significantly. According to the above results, it is suggested that GLU extract might be useful applied for prevention and treatment of allergic asthma.

Effects of Korean Herbal Bathing Extracts Composition on Th2 Cytokine Production in MC/9 Mast Cells (한방 입욕제 조성물이 MC/9 mast cell에서의 Th2 cytokine 발현에 미치는 영향)

  • Jang, Moon-Hee;Choi, Jae-Song;Choi, Ae-Ryun;Ahn, Taek-Won
    • Journal of Sasang Constitutional Medicine
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    • v.24 no.3
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    • pp.80-92
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    • 2012
  • Objectives The purpose of this study is to investigate the effects of korean herbal bathing extracts composition 1 and composition 2 on Th2 cytokine production in MC/9 mast cells. Methods The effects of composition 1, 2 was analyzed by ELISA and Real-time PCR in MC/9 mast cells. Levels of IL-5, IL-13 were measured using enzyme-linked immunosorbent assays(ELISA). mRNA levels of IL-4, IL-5, IL-6, IL-13 were analyzed with Real-time PCR. Results Composition 1, 2 inhibited the IL-5, IL-13 production significantly(p<.001) in comparison to PI-control group at concentration of 100 ${\mu}g/mL$, 200 ${\mu}g/mL$. Composition 1, 2 inhibited the IL-4, IL-5, IL-13 mRNA expression significantly in comparison to PI-control group at concentration of 100 ${\mu}g/mL$, 200 ${\mu}g/mL$. Composition 1 inhibited the IL-6 mRNA expression significantly in comparison to PI-control group at concentration of 200 ${\mu}g/ml$. Composition 2 inhibited the IL-6 mRNA expression significantly in comparison to PI-control group at concentration of 100 ${\mu}g/mL$, 200 ${\mu}g/mL$. Conclusions These results indicate that composition 1, 2 has the effect of decreasing the Th2 cytokine production in the MC/9 mast cell.

The Levels of Interferon-gamma, Interleukin-2 Receptor, Interleukin-6 and Interleukin-10 in the Patients with Malignant Pleural Effusion, Tuberculosis Effusion, Parapneumonic Effusion, and Lung Emphysema? (악성 흉수, 결핵성 흉수 및 부폐렴 삼출액과 농흉에서 Interferon-gamma, Interleukin-2 Receptor, Interleukin-6, Interleukin-10 농도의 비교)

  • Kim, Myung-Hoon;Kim, Seung-Joon;Park, Yong-Keun;Kim, Seok-Chan;Lee, Sook-Young;Kim, Young-Kyoon;Kim, Kwan-Hyoung;Moon, Hwa-Sik;Song, Jeong-Sup;Park, Sung-Hak
    • Tuberculosis and Respiratory Diseases
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    • v.49 no.5
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    • pp.568-575
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    • 2000
  • Background : Cytokines are chemical mediators that control and modulate many inflammatory processes. They work in different fashions in a variety of diseases. Discriminating between malignant effusion, tuberculous effusion, and parapneumonic effusion are crucial from the clinical view-point in Korea. In the current study, interferon-gamma (IFN-${\gamma}$), soluble interleukin-2 receptor (IL-2R), interleukin-6 (IL-6) and interleukin-10 (IL-10) were measured for this purpose. Methods : Pleural fluids from patients with malignant disease, tuberculosis, parapneumonic effusion and lung empysema were collected and gauged using commercial ELISA kits. Results : 34 patients were enrolled in this study. Among these 15 cases were malignant effusions, 12 were tuberculosis pleurisy and 7 were parapneumonic effusion and lung empyema. The levels of cytokines measured in this study were as follows, in order of frequency, malignant effusion, tuberculous effusion, parapneumonic effusion and lung empyema. The levels of INF-${\gamma}$ were higher in tuberculous effusion than in malignant or parapneumonic effusion ($295.5{\pm}585.5$ vs. $16.7{\pm}50$ vs. $10.0{\pm}0$ pg/ml, p>0.05). The levels of IL-2R were higher in tuberculous effusion than in malignant or parapneumoruc effusion ($7423.5{\pm}3752.8$ vs. $3247.4{\pm}1713.3$ vs. $3790.2{\pm}3201.1$ pg/ml, p<0.05). No significant differences were found in the levels of IL-6 between the groups ($600{\pm}12.8$ pg/ml in malignant effusion, $556.4{\pm}161.7$ pg/ml in tuberculous effusion, $514.4{\pm}224.8$ pg/ml in parapneumoruc effusion). IL-10 levels were higher in parapneumoruc effusion than in malignant or tuberculous effusions ($98.4{\pm}141.7$ vs. $28.2{\pm}55.5$ vs. $11.3{\pm}11.7$ pg/ml, p<0.05). Conclusion : These results suggest that the measurement of IL-2R levels in pleural fluids may be a useful means of differentiating between tuberculous effusion and pleural effusions of other origins, and that the measurement of IL-10 levels in pleural fluids may be useful to differentiate between parapneumonic effusion and pleural effusions of other origins.

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The Effects of Dictamni Radicis Cortex Extracts on DNCB Induced Atopic Dermatitis-like Skin Lesions of NC/Nga Mouse (백선피(白鮮皮) 추출물이 DNCB로 유발된 NC/Nga 생쥐의 아토피 피부염에 미치는 영향)

  • Lee, Youn Shil;Han, Jae Kyung;Kim, Yun Hee
    • The Journal of Pediatrics of Korean Medicine
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    • v.28 no.4
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    • pp.1-29
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    • 2014
  • Objectives Dictamni Radicis Cortex extracts (DRC) has been known to suppress allergic reaction, however the cellular target of DRC and its mode of action remain unclear. The purpose of this study is to investigate the effects of Dictamni Radicis Cortex extracts on DNCB induced atopic dermatitis-like skin lesions of NC/Nga mouse. Methods This study was designed to investigate the effects of DRC extract in the DNP-IgE-induced activation of MC/9 murine mast cell lines in vitro and in the DNCB-induced activation of NC/Nga mouse in vivo. For this investigation, We examined IL-4, IL-5, IL-6, IL-13, TNF-${\alpha}$ and GM-CSF mRNA expression by Real-time PCR, IL-13, MIP-$1{\alpha}$ production by ELISA analysis and manifestations of NFAT1, NFAT2, AP-1 and NF-${\kappa}B$ p65 transcription factors by western blotting in vitro. Then, we examined WBC, eosinophil and neutrophil in NC/Nga mouse, IL-5, IL-13 in serum, IFN-${\gamma}$, IL-4 in the spleenocyte culture supernatant, the absolute cell numbers of $CD4^+$, $CD8^+$, $^+Gr-1^+CD11b$, $B220^+CD23^+$ in the ALN, PBMCs and dorsal skin, IL-5, IL-13 in the dorsal skin by Real-time PCR and the distribution of mast cells by H&E and toluidine blue. Results In vitro the mRNA expression of IL-4, IL-5, IL-6, IL-13, TNF-${\alpha}$, GM-CSF and IL-13, MIP-$1{\alpha}$ production by ELISA analysis were completely abolished by DRC and the western blot analysis decreased the expression of mast cell-specific transcription factors including NFAT-1, NF-${\kappa}B$ p65. In vivo DRC oral adminstration also decreased the counts of WBC, eosinophils and inflammatory cytokines such as IL-13 and IgE in the serum. DRC oral adminstration elevated IL-4 level in the spleenocyte culture supernatant. DRC oral adminstration decreased total ALN cells, total skin cells, cell numbers of $CD4^+$, $B220^+CD23^+$ in the ALN, $^+Gr-1^+CD11b$ in the PBMCs and $CD4^+$, $CD8^+$ in the dorsal skin. The mRNA expression of IL-5, IL-13, thickness of epidermis, inflammation immune cells and mast cells were abolished by DRC in the dorsal skin. Conclusions Histological examination showed that infiltration levels of immune cells in the skin of AD-induced NC/Nga mouse were much improved by DRC oral adminstration. These results, therefore, suggest that DRC can regulate molecular mediators and immune cells that are functionally associated with atopic dermatitis induced in NC/Nga mouse, and may play an important role in recovering AD symptoms.

The Effects of Gamchomahwang-tang extract According to the ratio of 2 compounds on the Ovalbumin-Induced Allergic Asthma in Mice (甘草麻黃湯 추출물의 배합 비율에 따른 투여가 Ovalbumin으로 유발된 천식 생쥐에 미치는 영향)

  • Jo, So-Hyun;Jo, Eun-Hee;Park, Min-Cheol
    • The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology
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    • v.28 no.4
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    • pp.74-91
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    • 2015
  • Background and Objective : Asthma is a chronic inflammatory disease at the mucosa and is associated with excess production of Th2 cytokine and eosinophil accumulation in lung.Gamchomahwang-tangextract(GME) is one of the well known prescription used in oriental medicine for treating asthma. This study was designed to compare the anti-asthmatic effect of GME according to the ratio of 2 compounds.Methods : To examine the effects of GME on asthma, mice were sensitized with 100 ㎍ of OVA and 1 ㎎ of aluminum potassium sulfate(Alum; Sigma) intraperitoneally on day 1 and 15. From day 22, mice were challenged on 3 consecutive days with 5% OVA. The anti-asthmatic effects of GME were evaluated by enhanced pause(Penh), bronchoalveolar lavage fluids (BALF), inflammatory cytokine production and genes expression, serum IgE production. and histological change in lung tissue. GMEⅠ consists of ES and GU in the proportion 2:1(300 ㎎/㎏ group), GMEⅡ consist of ES and GU in the proprtion 4:1(300 ㎎/㎏ group).Results : GMEⅠ,Ⅱ generally inhibited lung inflammation, inflammatory cells infiltration and cytokine production and gene expression such as IL-4, IL-5 and IL-13 in BALF and serum IgE level. GMEⅡ significantly reduced the cytokine production and gene expression such as IL-4, IL-5 and IL-13 in BALF and GMEⅠ decreased cytokine production of IL-4, IL-13 in BALF and gene expression of IL-4, IL-5 in Lung. GMEⅡ potently inhibited the development of Penh and also reduced the number of eosinophil during OVA-induced AHR(airway hyper-reactivity). Overall the results show that GMEⅡ has more effect on inhibiting production, gene expression of cytokine, serum IgE level and development of Penh than GMEⅠ. Consequently, GMEⅡ might be more effective than GMEⅠ at inhibiting allergic asthma on the OVA-induced mice model.Conclusion : These results indicate that GME has a deep inhibitory effects on airway inflammation and hyperresponsiveness in mice model of asthma and that suppression of IL-4, IL-5, IL-13 expression and decrease of IL-4, IL-5, IL-13 production in BALF might contribute this effect. Hence, the results indicate that GME might be useful herbal medicine of allergic asthma. As a result, GMEⅡ mght be superior to GMEⅠ in the aspect of anti-asthmatic effect on the OVA-induced mice model.