• 제목/요약/키워드: Allergic mouse model

검색결과 115건 처리시간 0.02초

알러지성 천식 모델 생쥐에서 프랑킨센스 에센셜 오일의 염증 억제 효과 (Anti-inflammatory Effect of Boswellia sacra (Franckincense) Essential Oil in a Mouse Model of Allergic Asthma)

  • 이혜연;윤미영;강상모
    • 한국미생물·생명공학회지
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    • 제36권4호
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    • pp.343-352
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    • 2008
  • 프랑킨센스는 감람나무 종에서 얻어지는 gum resin으로, 성분은 5-9% 방향정 에센셜 오일, 알코올-용해성인 65-85% resin과 수용성인 gum 잔여물로 구성된 복합물이다. 프랑킨센스의 알코올 용해성인 resin 성분들의 항염증 작용은 잘 알려져 있으나, 방향성 에센셜 오일 성분이 알러지성 천식에 작용을 하는지의 여부는 보고되지 않았다. 실험은 프랑킨센스 에센설 오일(BSEO)이 ovalbumin(OVA)으로 유발된 알러지성 천식 생쥐 모델에 미치는 영향을 조사하기 위해 수행하였다. BALB/c 생쥐는 OVA로 복강감작 후 OVA 기도 투여로 면역반응을 유발시켰다. 실험그룹은 0.3% BSEO를 8주간 흡입시켰다. OVA로 감작, 유발시킨 BALB/c 생쥐에서 기도내 호산구 침윤증가, 점액분비 증가와 기도과민성이 나타났다. 이에 비하여, BSEO 처치군에서 BALF내 호산구수, 술잔세포의 과증식, 기도과민성이 감소되었다. BALF내 사이토카인 분석 결과, BSEO는 Th1 사이토카인인 IFN-$\gamma$를 증가시켰으며 Th2 사이토카인인 IL-4, IL-5와 IL-13을 감소시켰다. 또한, OVA-specific IgE와 eoxtain 분비를 억제시켰다. BSEO 흡입 군에서 종격동 림프절의 $CD4^+$, $CD3^+/CCR3^+$, 및 $B220^+/CD23^+$ 세포들 또한 감소되었다. 이상의 결과에서 BSEO는 Th1/Th2 관여 면역조절인자로 판단되며, BSEO 흡입으로 간단하고 경제적인 방법으로 알러지성 기도 염증 치료가 가능할 것으로 사료되었다.

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

  • 김산;성병곤;이성진;임규상
    • 한방안이비인후피부과학회지
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    • 제19권2호
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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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감초가 천식모델 생쥐의 plasma내 histamine과 폐조직내 cytokien 생성에 미치는 효과 (The Effects of Gamcho on Histamine and Cytokine Production In Murine Asthma Model)

  • 송상진;배한호;박양춘
    • 동의생리병리학회지
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    • 제18권3호
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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.

External Application of Apo-9'-fucoxanthinone, Isolated from Sargassum muticum, Suppresses Inflammatory Responses in a Mouse Model of Atopic Dermatitis

  • Han, Sang-Chul;Kang, Na-Jin;Yoon, Weon-Jong;Kim, Sejin;Na, Min-Chull;Koh, Young-Sang;Hyun, Jin-Won;Lee, Nam-Ho;Ko, Mi-Hee;Kang, Hee-Kyoung;Yoo, Eun-Sook
    • Toxicological Research
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    • 제32권2호
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    • pp.109-114
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    • 2016
  • Allergic skin inflammation such as atopic dermatitis is characterized by skin barrier dysfunction, edema, and infiltration with various inflammatory cells. The anti-inflammatory effects of Apo-9'-fucoxanthinone, isolated from Sargassum muticum, have been described in many diseases, but the mechanism by which it modulates the immune system is poorly understood. In this study, the ability of Apo-9'-fucoxanthinone to suppress allergic reactions was investigated using a mouse model of atopic dermatitis. The Apo-9'-fucoxanthinone-treated group showed significantly decreased immunoglobulin E in serum. Also, Apo-9'-fucoxanthinone treatment resulted in a smaller lymph node size with reduced the thickness and length compared to the induction group. In addition, Apo-9'-fucoxanthinone inhibited the expression of interleukin-4, interferon-gamma and tumor necrosis factor-alpha by phorbol 12-myristate 13-acetate and ionomycin-stimulated lymphocytes. These results suggest that Apo-9'-fucoxanthinone may be a useful therapeutic strategy for treating chronic inflammatory diseases.

Effects of Egg White Consumption on Immune Modulation in a Mouse Model of Trimellitic Anhydride-induced Allergy

  • Kim, Ji-Hyuk;Song, Hyuk;Kim, Hyoun Wook;Lee, Won-Young
    • 한국축산식품학회지
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    • 제35권3호
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    • pp.398-405
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    • 2015
  • Egg allergy has been shown to be the most common food allergy in children with atopic dermatitis. Allergic reactions to proteins derived from egg white (EW) are more common than those derived from egg yolk. Ovomucoid, ovalbumin, ovotransferrin, and lysozyme have been identified as major allergens in EW. This study was conducted to evaluate the effect of EW on immune modulation in an induced allergy mouse model. A total of 50 five-week-old BALB/c male mice were treated with trimellitic anhydride (TMA) for three weeks to induce allergy-like symptoms. The TMA-treated mice were rested for one week and then divided into five groups and fed 0, 10, 50, and 100 mg/d EW for four weeks. All EW consumption groups showed no significant increase or decrease in the populations of white blood cells; however, a significant increase in B-lymphocyte activity was observed in the fourth week. Furthermore, EW consumption did not influence serum immunoglobulin G and immunoglobulin E levels. Taken together, these data demonstrate that the consumption of EW by TMA-treated mice did not increase allergic parameters such as serum IgE level, but enhanced the lymphocyte activities against pathogens. Therefore, this study suggests that the consumption of EW promotes Th2 immune modulation, and EW could be an excellent candidate for maintaining health.

Beneficial effects of naringenin and morin on interleukin-5 and reactive oxygen species production in BALB/c mice with ovalbumin-induced asthma

  • Qi, Peng;Wei, Chunhua;Kou, Dianbo
    • The Korean Journal of Physiology and Pharmacology
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    • 제25권6호
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    • pp.555-564
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    • 2021
  • We investigated the effects of naringenin and morin on IL-5 and ROS production in PMA+ionomycin-treated EL-4 cells with the corroboration of their antioxidant and anti-inflammatory properties using an asthma-induced mouse model. The EL-4 cell line was used to study the outcomes of naringenin or morin, followed by cell viability studies. Western blot analysis and ELISA test were used to determine Th2 mediated cytokines. In vivo studies were carried out on BALB/c mice to induce allergic asthma using ovalbumin administered intraperitoneally. Intracellular ROS was determined using 2',7'-dichlorodihydrofluorescein diacetate, followed by serum enzymatic (AST and ALT) estimations and inflammatory cell count in the bronchoalveolar lavage fluid (BALF) and lung tissues. Histopathological studies were conducted to examine lung tissue-stained architecture. Our findings suggested that naringenin and morin significantly suppressed IL-5 and ROS production via various pathways. Interestingly, by reducing NFAT activity, naringenin and morin stimulated HO-1 expression, thereby suppressing IL-5 secretion due to regulating the transcription factor Nrf2 via P13/Akt or ERK/JNK signalling pathways in EL-4 cells, demonstrating the involvement of HO-1 expression in inhibiting asthmatic inflammation. The increased inflammatory cells in the BALF were substantially decreased by both naringenin and morin, followed by inhibition in the elevated Th-2 cytokines levels. The TNF-α protein levels in an allergic asthma mouse model were significantly reduced by suppressing Akt phosphorylation and eosinophil formation. Recent findings confirmed that naringenin and morin possess the potential to control asthma-related immune responses through antioxidant and anti-inflammatory properties, indicating potential therapeutic agents or functional foods.

동충하초(冬蟲夏草) 약침(藥鍼)이 백서(白鼠)의 기관지평활근(氣管支平滑筋) 장력(張力)과 염증(炎症) 및 면역(免疫) 반응(反應)에 미치는 영향(影響) (Effects of Cordyceps militaris Mycelia(CMM) herbal acupuncture at BL13, LU4 on airway smooth muscle, airway inflammation, IgE and Interleukin-4 in mouse model of allergic bronchial asthma)

  • 윤대환;최관준;채우석;나창수
    • Korean Journal of Acupuncture
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    • 제21권2호
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    • pp.111-123
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    • 2004
  • Objectives : It has been reported that Cordyceps militaris Mycelia(CMM) has an effect on deficiency allergic asthma(虛喘) clinically. The aim of this study was to determine an appropriate oriental treatment and the doses of CMM to treat asthma. Methods : In order to study the effect of herbal acupuncture solution of the CMM on allergic asthma, the mouse were pretreated by CMM herbal acupuncture at BL13, LU4 before antigen sensitization. 2 days later Mice were actively sensitized with a subcutaneous injection of ovalbumin(OA) and 13 days later they were provoked with OA aerosols. IL-4, lymphocyte, macrophage in bronchoalveolar lavage fluid(BALF), IgE in serum, WBC, RBC, HGB in blood, and in vitro isometric contractile responses of the isolated tracheal smooth muscle(TSM) to acetylcholine$(ACh,\;0.1-1000\;{\mu}M)$, KCl were measured. Results : Contractile responses of TSM to ACh were significantly increased in CMM herbal acupuncture 1 group $(Ach\;1000\;{\mu}M)$, CMM herbal acupuncture 2 group $(ACh\;1,\;10\;{\mu}M)$, CMM herbal acupuncture 3 group $(Ach\;0.3,\;1,\;30,\;300\;{\mu}M)$. The sensitivity of TSM to ACh was significantly decreased in CMM herbal acupuncture 3 group. The maximal contractile response of TSM to ACh was significantly decreased in CMM herbal acupuncture 1, 3 group. The maximal contractile response of TSM to KCl was significantly decreased in CMM herbal acupuncture 1, 2, 3 group. The counts of lymphocytes in BALF was significantly increased in CMM herbal acupuncture 3 group. The counts of macrophages in BALF was significantly decreased in CMM herbal acupuncture 3 group. Interleukin-4 level in BALF was significantly increased in CMM herbal acupuncture 1,3 group. and it was increased in CMM herbal acupuncture 2 group, but there was no significance. Serum IgE level was significantly decreased in CMM herbal acupuncture 1, 2, 3 group. The counts of WBC in blood was significantly increased in CMM herbal acupuncture 1, 3 group Conclusion : Based on the above results it is assumed that CMM herbal acupuncture at BL13, LU4 can help the treatment of deficiency allergic Asthm.

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Phellinus linteus Extract Exerts Anti-asthmatic Effects by Suppressing NF-${\kappa}B$ and p38 MAPK Activity in an OVA-induced Mouse Model of Asthma

  • Yan, Guang Hai;Choi, Yun Ho
    • IMMUNE NETWORK
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    • 제14권2호
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    • pp.107-115
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    • 2014
  • Phellinus linteus has been used as a traditional herbal medicine in Asian countries and is known to have anti-tumor, immunomodulatory, anti-inflammatory, and anti-allergic activities. However, the protective effects of P. linteus against experimental asthma have not been fully investigated. The objective of this study was to determine whether P. linteus ethanol extract (PLE) suppresses inflammatory response in an OVA-induced asthma model. As expected, the oral administration of PLE significantly inhibited eosinophilic airway inflammation and airway hyperresponsiveness in OVA-challenged BALB/c mice. Supporting these data, the augmentation of Th2 cytokines (IL-4, IL-5, and IL-13), eotaxin, and adhesion molecules in lung tissues and bronchoalveolar lavage fluid after OVA inhalation was markedly attenuated by PLE. Furthermore, PLE reduced OVA-induced activation of NF-${\kappa}B$ and p38 MAPK in lung tissues. Therefore, our results suggest the potential of P. linteus as a therapeutic agent for asthma.

Anti-inflammatory Effects and its Mechanisms of Hesperidin in an Asthmatic Mouse Model Induced by Ovalbumin

  • Chang, Jeong-Hyun
    • 대한의생명과학회지
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    • 제16권2호
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    • pp.83-90
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    • 2010
  • Hesperidin, a member of the flavanone group of flavonoids, can be isolated in large amounts from the rinds of some citrus species [e.g., Citrus aurantium L. (bitter orange), Citrus sinensis L. (sweet orange) and Citrus unshiu Marcov. (satsuma mandarin)], and has been reported to have anticarcinogenic, antihypotensive and antimicrobial properties. Despite the efficacy of these polyphenolic compounds as immune modulators, the effects of the flavonoids are poorly understood about allergic effect. In this study, we investigated whether hesperidin could influence on Th1 and Th2 balance. Allergic reactions included an increase in the number of eosinophils in bronchoalveolar lavage (BAL) fluid, an increase in inflammatory cell infiltration into the lung tissue around blood vessels and airways, airway luminal narrowing, the development of airway hyper-responsiveness (AHR). The administration of hesperidin before the last airway OVA challenge resulted in a significant inhibition of all asthmatic reactions. Accordingly, this study may provide evidence that hesperidin plays a critical role in the amelioration of the pathogenetic process of asthma in mice. These findings provide new insight into the immunopharmacological role of hesperidin in terms of its effects in a murine model of asthma, and also broaden current perspectives in our understanding of the immunopharmacological functions of hesperidin.

Leukotriene B4 receptors contribute to house dust mite-induced eosinophilic airway inflammation via TH2 cytokine production

  • Park, Donghwan;Kwak, Dong-Wook;Kim, Jae-Hong
    • BMB Reports
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    • 제54권3호
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    • pp.182-187
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    • 2021
  • Leukotriene B4 (LTB4) is a lipid mediator of inflammation that is generated from arachidonic acid via the 5-lipoxygenase pathway. Previous studies have reported that the receptors of LTB4, BLT1, and BLT2 play mediatory roles in the allergic airway inflammation induced by ovalbumin (OVA). However, considering that house dust mites (HDMs) are the most prevalent allergen and well-known risk factor for asthmatic allergies, we are interested in elucidating the contributory roles of BLT1/2 in HDM-induced allergic airway inflammation. Our aim in this study was to investigate whether BLT1/2 play any roles in HDM-induced allergic airway inflammation. In this study, we observed that the levels of ligands for BLT1/2 [LTB4 and 12(S)-HETE (12(S)-hydroxyeicosatetraenoic acid)] were significantly increased in bronchoalveolar lavage fluid (BALF) after HDM challenge. Blockade of BLT1 or BLT2 as well as of 5-lipoxygenase (5-LO) or 12-lipoxygenase (12-LO) markedly suppressed the production of TH2 cytokines (IL-4, IL-5, and IL-13) and alleviated lung inflammation and mucus secretion in an HDM-induced eosinophilic airway-inflammation mouse model. Together, these results indicate that the 5-/12-LO-BLT1/2 cascade plays a role in HDM-induced airway inflammation by mediating the production of TH2 cytokines. Our findings suggest that BLT1/2 may be a potential therapeutic target for patients with HDM-induced allergic asthma.