• Title/Summary/Keyword: OVA-specific IgE

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Effect of Yeongyupaedog-san on Cytokine Levels of Mouse Th1/Th2 Cells and Anti-allergic Activity in Ovalbumin-sensitized Allergic Inflammation Model (연교적패독산(連翹敗毒散) 물 추출물(抽出物)의 마우스 Th1/Th2 사이토카인 조절(調節)에 의한 항알레르기 효과)

  • Khwag, Nyo-Gyu;Kang, Hee;Myung, Eu-Gene;Park, Sung-Min;Shim, Bum-Sang;Kim, Sung-Hoon;Choi, Seung-Hoon;Ahn, Kyoo-Seok
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.20 no.4
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    • pp.844-852
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    • 2006
  • This study was to evaluate the effect of Yeongyupaedog-san (YGPDS) on mouse Thl and Th2 cells' differentiation and ovalbumin (OVA)-induced allergic inflammation. The proliferation of mouse CD4 T cells and the secretion of Th1/Th2 cytokines under the influence of YGPDS extract were measured as well as the amount of ${\beta}-hexosaminidase$ in RBL-2H3 cells and the levels of $TNF-{\alpha}$ and 1L-6 secretion in Raw264.7 cells. BALB/c mice were orally administered with YGPDS extract and simultaneously inoculated with OVA to induce allergic reaction and measure the level of total IgE, OVA-specific IgE and the production of IFN- g, IL-4, IL-5 by the spleen cells. When mouse CD4 T cell were stimulated with anti-CD3 and anti-CD28 for 48 hours in various concentrations of YGPDS extract, it increased proliferation of CD4 cells by 11% in $100\;{\mu}g/^{ml}$ concentration but it showed an inhibition by 37% at $200\;{\mu}g/^{ml}$ CD4 T cells under Th1/Th2 polarizing conditions for 3 days with YGPDS resulted in mild decrease of IFN- g in Thl cells and significant decrease of IL-4 in Th2 cells at $500\;{\mu}g/^{ml}\;and\;100\;{\mu}g/^{ml}$ by 18% and 21%, respectively. YGPDS extract had a dose-dependent inhibitory effect on antigen-induced release of ${\beta}-hexosaminidase$ in RBL-2H3 cells. Treatment of YGPDS extract on LPS stimulated Raw 264.7 cells showed dose-dependent decrease in TNF-n production. Oral administration of YGPDS extract on OVA-induced allergic mice showed an inhibitory effect on the levels of total serum IgE and OVA-specific IgE by 25% and 34% , respectively. Culture of spleen cells with OVA resulted in significant increase of IFN- g by 44% and significant decrease of IL-4 and IL-5 by 56%, and 24%, respectively. The results show that YGPDS does not strongly induce mouse T cells to transform into Thl or Th2 but it has an anti-allergic effect in vitro, and that it also corrects the unbalance between the reactions of Th cells in allergic diseases.

The Whole Extract of Enterococcus faecalis Has Suppressive Effect on the Allergic Responses in Asthmatic Mouse Model (천식 마우스 모델의 알러지 반응에서 Enterococcus faecalis 전체 추출물의 억제 효과)

  • Chang, Jeong Hyun;Yang, EunJu;Yu, Sun Nyoung;Ahn, Soon-Cheol
    • Journal of Life Science
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    • v.27 no.10
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    • pp.1168-1175
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    • 2017
  • Probiotics are usually defined as intestinal bacteria that provide healthy benefit to the host and may offer new therapeutic materials for the treatment of inflammatory diseases. Lactobacillus, Bifidobacterium and Enterococcus are known as typical probiotics. But, these bacteria have mostly a weak viability and thus decreased probiotics-mediated effects in the intestinal tract. Asthma is an inflammatory airway disease, which is characterized by the releases of inflammatory mediators including cytokine and IgE. They are mainly associated with the recruitment, activation and disregulation of specific inflammatory cells, especially mast cells, monocytes, T cells, eosinophils and neutrophils in asthma. We performed these studies as in vitro and in vivo test the human inflammatory cell lines and ovalbumin (OVA)-induced asthma mouse model. And then the inhibitory effects of Enterococcus faecalis whole extract on inflammatory responses were examined. For our examinations, the E. faecalis whole extract (Ef extract) was acquired from whole bacteria of E. faecalis using freeze/thawing after ultrasonication method. As results, OVA-mediated THP-1 cell viability was decreased by the treatment of Ef extract. In the asthmatic mouse model, Ef extract inhibited the infiltration of inflammatory cells into the inflammatory sites and blood. This whole extract may have anti-asthmatic effects associated with the regulation of IL-5 and IgE expression. It may also be a promising candidate in anti-allergic medicine for the treatment of asthma.

The Effect of Bangpungtongsung-San on Model of Allergic Rhinitis (알러지성 비염 병태 모델에 대한 방풍통성산(防風通聖散)의 항알러지 효과)

  • Kim, Hee-Jeong;Park, Owe-Suk;Kim, Keoo-Seok;Cha, Jae-Hoon;Kim, Yoon-Bum
    • The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology
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    • v.19 no.1
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    • pp.21-30
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    • 2006
  • Background and Objective : Allergic rhinitis is a IgE-mediated hypersensitive reaction at nasal mucosa. In oriental medicine, Bangpungtongsung-San is clinically widely used for the treatment of the allergic rhinitis. The objective of this study is to investigate the effects of Bangpungtongsung-San on allergic rhinitis experimentally. Material and Methods : BALB/c mouse were divided into there groups: intact, control, experimental groups. Control and experimental group were induced allergic rhinitis by Ovalbumin as· the method of Levin and Vaz. Experimental group was orally administered the Bangpungtongsung-San for 28days. Total IgE, Interleukin-4, Interleukin-5 and $Interferon-{\gamma}$ were measured at three groups. The statistical significance was examined by Independent Samples T test. Results : 1. The experimental group shows increase of $IFN-{\gamma}$ by 17% compared with control group but there was no statistical significance. 2. The experimental group shows increase of IL-4 and IL-5 compared with control group but there was no statistical significance. 3. The experimental group shows increase of Total IgE and diminution of OVA-specific IgE by 32% compared with control group but there was no statistical significance. Conclusion : The effect of Bangpungtongsung-San on allergic rhinitis is not immunological but seems to be anti-imflammatory and anti-stress effect.

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Role of Protease Activated Receptor 2 (PAR2) in Aspergillus Protease Allergen Induces Th2 Related Airway Inflammatory Response (Aspergillus 단백분해효소 알러젠에 의해 유도된 Th2 관련 기도염증반응에서 protease activated receptor 2 (PAR2)의 역할)

  • Yu, Hak-Sun
    • Journal of Life Science
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    • v.20 no.4
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    • pp.503-510
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    • 2010
  • Most allergens have protease activities, suggesting that proteases may be a key link between Th2-type immune reactions in allergic responses. Protease activated receptor (PAR) 2 is activated via the proteolytic cleavage of its N-terminal domain by proteinases. To know the role of PAR2 in Aspergillus protease allergen activated Th2 immune responses in airway epithelial cells, we investigated and compared immune cell recruitment and level of chemokines and cytokines between PAR2 knock out (KO) mice and wild type (WT) mice. There were evident immune cell infiltrations into the bronchial alveolar lavage fluid (BALF) of WT mice, but the infiltrations in PAR2 KO mice were significantly lowered than those of WT mice. The IL-25, TSLP, and eotaxin gene expressions were profoundly increased after Aspergillus protease, but their expression was significantly lowered in PAR2 KO mice in this study. Compared to PAR2 KO mice, OVA specific IgE concentrations in serum of WT mice were quite increased; moreover, the IgE level of PAR2 KO mice was lower than in WT mice. The IL-25 expression by Aspergillus protease stimulation was significantly reduced by p38 specific inhibitor treatment. In this study, we determined that Th2 response was initiated with IL-25 and TSLP mRNA up-regulation in lung epithelial cells via PAR2 after Aspergillus protease allergen treatment.

Attenuation of airway hyperreactivity and inflammation by Cheongsangbiyeum administration in a mouse model of asthma (마우스 천식모델에서 청상비음(淸上秘飮)의 기도 과민반응 및 염증의 억제 효과)

  • Kim, San;Sung, Byung-Gon;Lee, Sung-Jin;Lim, Kyu-Sang
    • The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology
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    • v.19 no.2
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    • pp.1-18
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    • 2006
  • Objective : Although management of asthma has become increasingly effective, its cure remains elusive, necessitating a new modality to prevent or eliminate causes triggering clinical progress. Based in the clinical experiences, a novel decoration Cheongsangbiyeum (CSB), has been developed to treat asthma, which consists of Polyporus, Semen Myristicae, Pericarpium citri Reticulatae, Rhizoma Cimicifugae, Cortex Albizziae, Fructus Rubi, Rhizoma Zedoariae, and Rhizoma Rhei. In the current study, its anti-asthmatic efficacy was evaluated using a mouse model of asthma. Methods : Experimental allergic asthma was induced by repeated intraperitioneal sensitization and intranasal challenge of ovalbumin (OVA). Water extract of CSB (1 mg/mouse/day) was administrated orally whereas control mice on given with identical volume of phosphate-buffered saline (PBS) for 5 days during the course of antigen challenge. When airway hyperreactivity(AHR) measured by ${\bata}-methacoline-induced$ airflow obstruction was compared, AHR of CSB-treated mice was significantly lower than those of control mice, indicating that CM extract can attenuate an asthmatic symptom. Airway recruitment of leukocytes and eosinophils was also markedly reduced by CSB treatment suggesting that oral treatment of CSB can alleviate the airway inflammation. For a better understanding of possible mechanisms underlying anti-asthmatic effet of CSB, cytokine (IL-4, IL-5, IL-13 and $IFN{\gamma}$ levels in bronchoalveola lavage fluid (BALF) and lung tissues were determined. Results : The results showed that cytokine levels were significantly lowered by CSB treatment. Additionally, number of draining lymph node cells was significantly lower than those of control mice. These data indicate that CSB suppress in vivo allergen-specific response. However, notably, levels of type 2 cytokines such as IL-5 and IL-13 were more profoundly influenced. Moreover, in vitro OVA-specific proliferative response and type 2 cytokine (IL-4, IL-5 and IL-13) production lymph node cells was markedly decreased in CSB-treated mice, whereas their $IFN{\gamma}$ production was not significantly altered Thrse data clearly showed a preferential inhibition of type 2 T cell (Th2) response by CSB treatment. This finding was also supported by serum antibody data showing that levels of OVA-specific type 2 antibodies, IgE and IgG1, in CSB-treated mice were significantly lower than in control mice, while type 1 antibody, IgG2a level m rather higher than controls, although the difference was in significant. Conclusions : In conclusion, oral administration of CSB attenuates asthmatic manifestations including AHR ad airway recruitment of eosinophils in a mouse model which possibly results from selective inhibition of Th2 cell response to allergen. Our data suggest a potential clinical application of CSB for control of allergic asthma.

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Ant-Inflammatory Effect of Prunus serrulata var. spontanea Extract in OVA-Induced Asthma Animal Model (벚나무 추출물의 OVA 유도 천식동물모델에서 항염증 효능)

  • Myung Kyu Kim;Soon Ah Kang
    • The Korean Journal of Food And Nutrition
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    • v.36 no.3
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    • pp.172-184
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    • 2023
  • The objective of this study was to determine the efficacy of a natural product of cherry tree (Prunus serrulata var. spontanea: PS) as a test substance for improving cytokine and ovalbumin-specific IgE using an ovalbumin-induced asthma disease model of 5-week-old male BALB/c mice. Lung tissue pathology was analyzed to confirm anti-inflammatory and asthmatic effects. As a result of examining the effect on changes in inflammatory cells in bronchoalveolar lavage fluid in an ovalbumin-induced asthma disease model by administering the PS sample, total cells, eosinophil, neutrophil, lymphocyte, and monocytes were significantly decreased. Concentrations of cytokine-based TNF-alpha and IL-4 and immunoglobulin E in serum were significantly increased in the asthma-inducing negative control group than in the normal group. However, high concentrations of PS decreased them. In histopathological examination of the lung tissue, it was confirmed that inflammatory cells infiltrated around the alveoli and bronchioles were increased in ovalbumin-induced asthma disease model. After administration of cherry tree extract, bronchiolar morphological changes such as mucosal thickening were slightly improved. From the above results, it was confirmed that extract of cherry tree significantly reduced inflammation expression and tissue damage in alveolar tissues. It was also confirmed that the cherry tree extract had an excellent efficacy in improving asthma inflammation.

The Effects of Lycium chinese Mill., Morus alba L. and Their Combination on the Asthmatic Murine Model (천식동물모델을 이용한 지골피(地骨皮), 상백피(桑白皮) 및 두 배합약물의 실험적 연구)

  • Seo, Chang-Woo;Lee, Young Cheol;Lee, Jang-Cheon
    • Herbal Formula Science
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    • v.21 no.1
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    • pp.36-50
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    • 2013
  • Objectives : To clarify the possible effect of Lycium chinese Mill (LC)., Morus alba L (MA)., and Lycium chinese Mill. +Morus alba L. (LC+MA), we have examined their influence on the development of pulmonary eosinophilic inflammation in the asthmatic murine model. Methods : Female Balb/c mice (5weeks) were immunized on two different days (21 days and 7 days before inhalational exposure) by intraperitonial injections of 0.2ml alum-precipitated Ag containing $100{\mu}g$ of OVA bound to 4 mg of aluminum hydroxide in PBS. Seven days after the second sensitization, mice were exposed to aerosolized ovalbumin for 30 minutes/day on 3 days/week for 8 weeks (at a flow rate of 250 L/min, 2.5% ovalbumin in normal saline) and, LC, MA, and LC+MA (500 mg/kg) were orally administered 3 times per a week for 8 weeks. Results : The suppressive effect of LC, MA, and LC+MA were demonstrated by the accumulation of eosinophills into airways, with the reduction of eosinophil, total lung leukocytes numbers. These were correlated with the marked reduction of IL-5, IL-13 and IL-4 levels in the BALF and serum. OVA-specific IgE levels were also decreased in serum and BAL from these mice. LC, MA, and LC+MA decreased eosinophil CCR3 expression and CD11b expression in lung cells. Conclusions : These results indicate that LC, MA, and LC+MA have high inhibitory effects on airway inflammation and hyper-responsiveness in the asthmatic murine model. The suppression of IL-5, IgE, eosinophil CCR3 expression and CD11b expression, and the increase of IFN-${\gamma}$ production in BALF seem to contribute to this effect. Hence, the results indicated that LC, MA, and LC+MA could act as a immuno-modulator which possesses anti-inflammatory and anti-asthmatic property by modulating the imbalance between Th1 and Th2 cytokines.

The Synergistic Effect of Juglans sinensis, Psoralea corylifolia, and Their Combination on the Asthmatic Murine Model (천식모델을 이용한 호도, 파고지 및 두 배합약물의 실험적 연구)

  • Kwon, Taek-Hyun;Lee, Young-Cheol;Lee, Jang-Cheon
    • The Korea Journal of Herbology
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    • v.24 no.2
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    • pp.39-48
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    • 2009
  • Objectives : To clarify the possible effect of JS (Juglans sinensis), PCF (Psoralea corylifolia L.), and J+P(JS+PCF), we examined their influence on the development of pulmonary eosinophilic inflammation in the asthmatic murine model. Methods : All mice were immunized on two different days (21 days and 7 days before inhalational exposure) by intraperitonial injections of 0.2 ml alum-precipitated Ag containing 100 ${\mu}$g of OVA bound to 4 mg of aluminum hydroxide in PBS. Seven days after the second sensitization, mice were exposed to aerosolized ovalbumin for 30 minutes/day on 3 days/week for 8 weeks (at a flow rate of 250 L/min, 2.5% ovalbumin in normal saline) and, JS, PCF and J+P (200 mg/kg, 400 mg/kg) were orally administered 3 times per week for 8 weeks. Results : The suppressive effects of JS, PCF, and J+P were demonstrated by the accumulation of eosinophils into airways, with the reduction of eosinophils and lung leukocytes. These were correlated with the marked reduction of IL-4, IL-5, IL-13 levels in the BALF and serum. OVA-specific IgE levels were also decreased in serum and BAL from these mice. And also JS, PCF, and J+P decreased eosinophilic CCR3 and CD11b expression in lung tissue. Conclusions : These results indicate that JS, PCF, and J+P have deep inhibitory effects on airway inflammation and hyper-responsiveness in the asthmatic murine model. The suppression of IL-5, IgE, and eosinophilils and the increase of IFN-${\gamma}$ production in BALF seem to contribute to these effects. Specially, esosinophils and TNF-a in J+P combination group were significantly reduced in BALF and lung tissue. Hence, the results indicated that JS, PCF, and J+P could act as an immuno-modulator which possesses anti-inflammatory and anti-asthmatic property by modulating the imbalance between Th1 and Th2 cytokines.

Attenuation Effect of Chamaecyparis obtusa Leaf Essential Oils on Airway Hyperresponsiveness and Airway Inflammation in Ovalbumin-Induced Murine Asthma Model (Ovalbumin으로 유도된 마우스 천식 모델에서 편백나무 잎 정유성분에 의한 기도과민성과 기도염증의 완화 효과)

  • Kim, Seong Kyeom;Lee, Seung Min;Lim, Heung Bin
    • Korean Journal of Medicinal Crop Science
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    • v.23 no.3
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    • pp.237-244
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    • 2015
  • In this study, essential oils were extracted from the leaf of Chamaecyparis obtusa (CLEO), indigenous to Korea, CLEO constituents were analysed, and the effects of CLEO on airway hyperresponsiveness (AHR) and airway inflammation (AI) were investigated in Ovalbumin (OVA)-induced asthma mouse model. Terpenoid components among identified CLEO constituents made up more than 80%. The CLEO-treated group in comparison to the control group showed reduced AHR, the decrease of eosinophil number in the bronchoalveolar lavage fluid (BALF), reduced specific anti-OVA IgE level in the serum, and a significant reduction in Th2 cytokines levels in the BALF with concentration. We concluded that CLEO have an alleviating effect on asthma-like symptoms such as AHR and AI. Further studies about antiasthmatic effect are necessary on the focus of single component of CLEO.

Antiasthmatic Effects on Scutellaria baicalensis Georgi Extracts Against Airway Inflammation and Hyperresponsiveness Induced by Diesel Exhaust Particles with Ovalbumin Sensitization (Ovalbumin과 디젤배기가스 입자로 유도된 기도염증과 기도 과민성에 대한 황금 추출물의 항천식 효과)

  • Lim, Heung-Bin;Kim, Seung-Hyung
    • Korean Journal of Medicinal Crop Science
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    • v.20 no.2
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    • pp.129-135
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    • 2012
  • The feature of asthma are airway inflammation (AI), reversible airway obstruction, and an increased sensitivity to bronchoconstricting agents, elevated airway hyperresponsiveness (AHR), excess production of Th2 cytokines, and eosinophil accumulation in the lungs. This study was performed to investigate if oral administration of $Scutellaria$ $baicalensis$ Georgi water extracts (SBG) have the antiasthmatic potential for the treatment of asthma. Asthmatic HI and AHR were induced by systemic sensitization to ovalbumin (OVA) with intratracheal instillation with 0.1 mg/mL of diesel exhaust particles (DEP) suspension once a week for 10 weeks in BALB/c mice. SBG was orally administered with the concentraion of 200 mg/kg 5 days a week for 10 weeks. Long-term SBG treatment suppressed the eosinophil infiltration into airways from blood, the asthmatic AI and AHR by attenuating the production of cytokine IL-4, IL-5 and IL-13, histamine and OVA-specific IgE. Our data suggest that SBG has inhibitory effects on AI and AHR in a mouse model of asthma, may act as a potential Th2 cytokine antagonist, and may have a therapeutic effect on allergic asthma.