目的探讨小鼠骨髓树突状细胞(DCs)髓性分化蛋白88(MyD88)在OK-432诱导DCs成熟中的作用机制。方法分离小鼠骨髓单核细胞(BMMCs),在含10%胎牛血清、重组小鼠粒-巨噬细胞集落刺激因子(rmGM-CSF)、重组小鼠白细胞介素-4(rmIL-4)的培养体系...目的探讨小鼠骨髓树突状细胞(DCs)髓性分化蛋白88(MyD88)在OK-432诱导DCs成熟中的作用机制。方法分离小鼠骨髓单核细胞(BMMCs),在含10%胎牛血清、重组小鼠粒-巨噬细胞集落刺激因子(rmGM-CSF)、重组小鼠白细胞介素-4(rmIL-4)的培养体系中诱导培养,所得的细胞即为DCs。于培养的第5天,将细胞分为3组:对照组不加OK-432和MyD88 si RNA;OK-432组加入终浓度为5μg/mL的OK-432;RNA干扰组加入MyD88 si RNA12 h后,再加入5μg/mL OK-432刺激。半定量RT-PCR法检测DCs中MyD88的表达;ELISA法检测各组DCs分泌肿瘤坏死因子-α(TNF-α)和IL-12的能力;MTT法检测DCs体外刺激同种混合淋巴细胞增殖的免疫活性。结果OK-432组DCs的MyD88高表达、TNF-α和IL-12释放明显增加并能诱导较强混合淋巴细胞反应,而用MyD88 si RNA干扰后以上效应均降低(P<0.05)。结论靶向MyD88 si RNA可明显抑制小鼠DCs中MyD88的表达和OK-432诱导的DCs成熟,表明MyD88介导OK-432诱导的DCs成熟。展开更多
Objective:The aim of the study was to evaluate the efficacy and toxicity of high power focused-beam microwave hyperthermia with intrapleural injection of Shapeilin for patients with malignant hydrothorax.Methods:Fifty...Objective:The aim of the study was to evaluate the efficacy and toxicity of high power focused-beam microwave hyperthermia with intrapleural injection of Shapeilin for patients with malignant hydrothorax.Methods:Fifty-eight patients with malignant hydrothorax were divided into group A and group B randomly.All patients underwent indwelling pleural catheter and were treated by intrapleural injection of Shapeilin once three days.Treatment was composed of 3 times injection.Patients of group B received high power focused-beam microwave hyperthermia after injection of Shapeilin.Results:The response rate of group B(79.3%) was higher than that of group A(48.3%)(P < 0.05).Incidence of main adverse reactions,associated with Shapeilin,of two groups including fever and thoracodynia were similar(P > 0.05).Patients of group B didn't encounter severe toxicities of microwave hyperthermia.Conclusion:High power focused-beam microwave hyperthermia combined with intrapleural injection of Shapeilin is effective and tolerable for patients with malignant hydrothorax.展开更多
文摘目的探讨小鼠骨髓树突状细胞(DCs)髓性分化蛋白88(MyD88)在OK-432诱导DCs成熟中的作用机制。方法分离小鼠骨髓单核细胞(BMMCs),在含10%胎牛血清、重组小鼠粒-巨噬细胞集落刺激因子(rmGM-CSF)、重组小鼠白细胞介素-4(rmIL-4)的培养体系中诱导培养,所得的细胞即为DCs。于培养的第5天,将细胞分为3组:对照组不加OK-432和MyD88 si RNA;OK-432组加入终浓度为5μg/mL的OK-432;RNA干扰组加入MyD88 si RNA12 h后,再加入5μg/mL OK-432刺激。半定量RT-PCR法检测DCs中MyD88的表达;ELISA法检测各组DCs分泌肿瘤坏死因子-α(TNF-α)和IL-12的能力;MTT法检测DCs体外刺激同种混合淋巴细胞增殖的免疫活性。结果OK-432组DCs的MyD88高表达、TNF-α和IL-12释放明显增加并能诱导较强混合淋巴细胞反应,而用MyD88 si RNA干扰后以上效应均降低(P<0.05)。结论靶向MyD88 si RNA可明显抑制小鼠DCs中MyD88的表达和OK-432诱导的DCs成熟,表明MyD88介导OK-432诱导的DCs成熟。
文摘Objective:The aim of the study was to evaluate the efficacy and toxicity of high power focused-beam microwave hyperthermia with intrapleural injection of Shapeilin for patients with malignant hydrothorax.Methods:Fifty-eight patients with malignant hydrothorax were divided into group A and group B randomly.All patients underwent indwelling pleural catheter and were treated by intrapleural injection of Shapeilin once three days.Treatment was composed of 3 times injection.Patients of group B received high power focused-beam microwave hyperthermia after injection of Shapeilin.Results:The response rate of group B(79.3%) was higher than that of group A(48.3%)(P < 0.05).Incidence of main adverse reactions,associated with Shapeilin,of two groups including fever and thoracodynia were similar(P > 0.05).Patients of group B didn't encounter severe toxicities of microwave hyperthermia.Conclusion:High power focused-beam microwave hyperthermia combined with intrapleural injection of Shapeilin is effective and tolerable for patients with malignant hydrothorax.