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| 1 | Effects of antigen presentation of eosinophils on lung Th1/Th2 imbalance显示文摘Background Antigen loaded eosinophils (EOSs) instilled intratracheally into mice were capable of inducing Th2 type cytokine production in the draining lymph nodes The aim of the present study was to evaluate whether EOSs within the tracheobronchial lumen can stimulate Th2 cell expansion in the lung tissues Methods Airway EOSs were recovered from ovalbumin sensitized and challenged BALB/c mice, these EOSs were then cocultured with CD4 + cells isolated from sensitized mice in the absence or presence of anti CD80 or/and CD86 monoclonal antibodies Airway EOSs were instilled into the trachea of sensitized mice. At the day 3 thereafter, the lung tissues were removed and prepared into cell suspensions for culture Cell free culture supernatants were collected for detection of cytokines Results Airway EOSs functioned as CD80 and CD86 dependent antigen presenting cells to stimulate lung CD4 + lymphocytes to produce interleukin 4, interleukin 5 and interleukin 13, but not interferon γ in in vitro assay When instilled intratracheally in sensitized recipient mice, airway EOSs primed lung Th2 cells in vivo for interleukin 4, interleukin 5 and interleukin 13, but not interferon γ, production during the in vitro culture that was also CD80 and CD86 dependent Conclusion EOSs within the lumina of airways could process inhaled antigen and function in vitro and in vivo as antigen presenting cells to promote expansion of Th2 cells in the | XIEZheng-fu SHIHuan-zhong QINXue-jun KANGLan-fu HUANGChun-ping CHENYi-qiang | 2005 | Chinese Medical Journal2005,,1: | 5 |
| 2 | Active immunotherapy of allergic asthma with a recombinant human interleukin-5 protein as vaccine in a murine model显示文摘背景嗜曙红血球是高度与过敏气喘发炎有关。Interleukin (IL )-5 是嗜曙红血球的主要 chemokine, IL-5 的活动的抑制因此似乎是气喘治疗的一条潜在的途径。当前的学习被执行决定一支 xenogeneic 疫苗有导致反气喘 activities.Methods Recombinant 人的 IL-5 的能力的 recombinant 人 IL-5 蛋白质是否被用作一支蛋白质疫苗。老鼠气喘模型被建立观察反气喘活动。肺组织学被观察;在血和 bronchoalveolar lavage 的嗜曙红血球被染色并且数。航线 hyperresponsiveness 被整个身体 plethysmograph 决定。抗体人物和 cytokines 与酶被检测连接 immunosorbent 试金(ELISA ) 和有疫苗显著地减少了航线发炎和航线 hyperresponsiveness,并且在老鼠从 Th2 (IL-4 ) 转移了 cytokine 生产到 Th1 (INF-) 的 recombinant 人 IL-5 蛋白质的西方的污点 assay.Results 种痘过敏气喘的模型。有 recombinant 人 IL-5 蛋白质疫苗的免疫绕过免疫学的忍耐并且导致了与有相应 IL-5 可以是的 xenogeneic 的鼠科的 IL-5.Conclusions 活跃免疫是可交叉反应的 polyclonal 抗体的生产另外的嗜曙红的混乱的气喘并且潜在地的治疗的一条可能的治疗学的途径。 | TAN Guang—hong WANG Cai-chun HUANG Feng-ying WANG Hua HUANG Yong—hao LIN Ying-ying | 2007 | Chinese Medical Journal2007,,17: | 3 |
| 3 | CD34^+细胞在哮喘小鼠中的表达及布地奈德干预的实验研究显示文摘目的研究CD34+细胞在卵白蛋白(OVA)致敏小鼠、哮喘小鼠中的表达及布地奈德(BUD)吸入对哮喘小鼠CD34+细胞表达的影响。方法将雄性昆明小鼠随机分成致敏组、哮喘组、BUD干预组、正常对照组。用OVA进行致敏和激发,建立哮喘模型。常规检测骨髓、外周血中有核细胞总数,流式细胞仪检测CD34+细胞。结果致敏小鼠骨髓中CD34+细胞比例为(3.99±1.37)%,较正常小鼠[(2.33±1.27)%]明显增加;外周血中CD34+细胞比例为(1.58±0.63)%,与正常小鼠[(1.50±1.04)%]相比,未见明显变化。哮喘小鼠骨髓中CD34+细胞比例为(5.64±1.87)%,与致敏小鼠相比进一步升高;外周血中CD34+细胞比例为(2.91±1.27)%,与正常小鼠相比亦有明显增加;布地奈德吸入后,骨髓、外周血中CD34+细胞表达分别为(3.77±1.81)%和(1.76±1.06)%,均有明显下降。结论小鼠在OVA致敏状态下骨髓中CD34+细胞表达明显增强,OVA激发后哮喘状态下其表达进一步增强,同时,外周血中CD34+细胞比例也明显增高。布地奈德可以抑制哮喘小鼠骨髓、外周血中CD34+细胞的增殖表达。 | 刘海燕 张建华 丁云芳 季正华 李晓狄 | 2007 | 临床儿科杂志2007,25,8: | 2 |
| 4 | Antisense oligonucleotides-induced local blockade of T-bet expression leads to airway inflammation in rats显示文摘瞄准:为了探索 T 盒子的本地封锁是否在 T 表示了房间(T 赌注) ,在肺的表示能导致航线发炎。方法:24 只老鼠随机被划分成 4 个组:盐的组,敏化的组,胡说八道组,和反察觉到的卵白蛋白(卵) 组织。敏化卵的老鼠在胡说八道和反感觉与卵,和老鼠被敏化并且质问组们受到胡说八道的喷雾器交货,反察觉到 T 赌注的 oligonucleotides (AS-ODN )(0.1% , w/v ) 。interferon-gamma (IFN-gamma ) 的层次, interleukin-4 (IL-4 ) ,和在 bronchoalveolar 洗室年龄液体(BALF ) 的 IL-5 被 ELISA 检测,并且 mRNA 和 T 赌注和 GATA-3 基因的蛋白质表示被原位杂交和西方的污点分析分别地检验。结果:在在反感觉组的老鼠的肺的 T 赌注 mRNA 和蛋白质的表示有效地被禁止。在反意义和敏化卵的组的老鼠的肺显示出嗜曙红血球和淋巴细胞炎性浸润,并且嗜曙红血球过多在航线附近主要定位了。GATA-3 mRNA 积极的房间的数字和在在反意义和敏化卵的组的老鼠的肺的 GATA-3 蛋白质的水平显著地增加了。在在反意义和敏化卵的组的 BALF 的 IL-4 和 IL-5 的水平被提高,但是 IFN-gamma 的水平显著地减少了。结论:T 赌注表示的 Antisense 导致 ODN 的本地封锁在敏化卵的动物在 cytokine 表示的模式和类似于那的嗜曙红细胞的招募与选择改变导致航线发炎。 | Gang WANG Chun-tao LIU Zeng-li WANG Li-li JIANG Cun-liang YAN Feng-min LU | 2006 | Acta Pharmacologica Sinica2006,27,5: | 2 |
| 5 | 哮喘与骨髓嗜酸粒细胞分化相关性研究进展显示文摘嗜酸粒细胞是参与支气管哮喘发病的关键细胞之一,而多种细胞因子调控和参与了骨髓嗜酸粒细胞的分化-释放-募集到气道这一过程,干预这些关键性调控因子如IL-5,IL-9,IFN-γ,GM-CSF等,阻抑这一过程的激活可能是今后治疗哮喘的一个新的途径。 | 张慧琪 刘贵颖 | 2006 | 国际呼吸杂志2006,26,12: | 1 |