High mobility group box 1 protein （HMGB1） is a highly conserved, ubiquitous protein in the nuclei and cytoplasm of nearly all cell types. HMGB1 is secreted into the extracellular milieu and acts as a proinflammatory...High mobility group box 1 protein （HMGB1） is a highly conserved, ubiquitous protein in the nuclei and cytoplasm of nearly all cell types. HMGB1 is secreted into the extracellular milieu and acts as a proinflammatory cytokine. In this article we reviewed briefly the cellular immune response mediated by HMGB1 in inflammation and sepsis. This systemic review is mainly based on our own work and other related reports HMGB1 can actively affect the immune functions of many types of cells including T lymphocytes, regulatory T cells （Tregs）, dendritic cells （DCs）, macrophages, and natural killer cells （NK cells）. Various cellular responses can be mediated by HMGB1 which binds to cell-surface receptors [e.g., the receptor for advanced glycation end products （RAGE）, Toll-like receptor （TLR）2, and TLR4]. Anti-HMGB1 treatment, such as anti-HMGB1 polyclonal or monoclonal antibodies, inhibitors （e.g., ethyl pyruvate） and antagonists （e.g., A box）, can protect against sepsis lethality and give a wider window for the treatment opportunity. HMGB1 is an attractive target for the development of new therapeutic strategies in the treatment of patients with septic complications.展开更多
目的对市售冻干水痘减毒活疫苗(Varicella Attenuated Live Vaccine,Freeze-dried;VarV-Fd)的安全性及免疫效果进行监测和评价。方法用随机整群抽样法,抽取永兴、永顺县5070名3～9岁儿童,其中2596名儿童接种VarV-Fd(观察组),2474名接种...目的对市售冻干水痘减毒活疫苗(Varicella Attenuated Live Vaccine,Freeze-dried;VarV-Fd)的安全性及免疫效果进行监测和评价。方法用随机整群抽样法,抽取永兴、永顺县5070名3～9岁儿童,其中2596名儿童接种VarV-Fd(观察组),2474名接种麻疹-流行性腮腺炎联合减毒活疫苗(对照组),观察接种疫苗后28d中不良反应和93名儿童免疫前、后血清抗体水平及两年的流行病学效果。采用统计产品与服务解决方案(Statistical Productand Service Solutions,SPSS)13.0进行统计学分析。结果观察组不良反应总发生率1.62%(42/2596);VarV-Fd保护率为97.82%;免疫前抗体阴性组(<1:4)阳转率为96.4%(27/28),阳性组(≥1:4)抗体≥4倍增长率100%(65/65),差异无统计学意义(Fisher确切概率法,Pi=0.301);但免疫后抗体几何平均滴度阳性组明显高于阴性组,差异有统计学意义(t=43.088,P=0.0000))。结论 VarV-Fd有良好的安全性和免疫效果。展开更多
用3株构建好的分别表达猪繁殖与呼吸综合症病毒(Porci ne reproduct i ve andr espi r at or y syndr ome vi r us,PRRSV)GP5蛋白,M蛋白和GP5-M融合蛋白的重组鸡痘病毒接种BALB/c小鼠进行免疫学实验,对其诱导小鼠产生体液免疫和细胞免...用3株构建好的分别表达猪繁殖与呼吸综合症病毒(Porci ne reproduct i ve andr espi r at or y syndr ome vi r us,PRRSV)GP5蛋白,M蛋白和GP5-M融合蛋白的重组鸡痘病毒接种BALB/c小鼠进行免疫学实验,对其诱导小鼠产生体液免疫和细胞免疫反应的潜力进行了评价。结果表明,表达GP5-M融合蛋白的重组鸡痘病毒相对于其他各组能够刺激免疫鼠产生高水平的特异性中和抗体和ELI SA抗体;显著促进IFN-γ的分泌和特异性T淋巴细胞增殖,。提示表达GP5-M融合蛋白的重组鸡痘病毒可显著增强小鼠的体液免疫和细胞免疫,这为防治PRRSV感染的新型疫苗研究提供了新的思路。展开更多
基金supported,in part,by grants from the National Natural Science Foundation(Nos.81130035,30901561,30971192,81071545)the National Basic Research Program of China(No.2012CB518102)the China Postdoctoral Science Foundation(Nos.20100480347,201104125)
文摘High mobility group box 1 protein （HMGB1） is a highly conserved, ubiquitous protein in the nuclei and cytoplasm of nearly all cell types. HMGB1 is secreted into the extracellular milieu and acts as a proinflammatory cytokine. In this article we reviewed briefly the cellular immune response mediated by HMGB1 in inflammation and sepsis. This systemic review is mainly based on our own work and other related reports HMGB1 can actively affect the immune functions of many types of cells including T lymphocytes, regulatory T cells （Tregs）, dendritic cells （DCs）, macrophages, and natural killer cells （NK cells）. Various cellular responses can be mediated by HMGB1 which binds to cell-surface receptors [e.g., the receptor for advanced glycation end products （RAGE）, Toll-like receptor （TLR）2, and TLR4]. Anti-HMGB1 treatment, such as anti-HMGB1 polyclonal or monoclonal antibodies, inhibitors （e.g., ethyl pyruvate） and antagonists （e.g., A box）, can protect against sepsis lethality and give a wider window for the treatment opportunity. HMGB1 is an attractive target for the development of new therapeutic strategies in the treatment of patients with septic complications.
文摘目的对市售冻干水痘减毒活疫苗(Varicella Attenuated Live Vaccine,Freeze-dried;VarV-Fd)的安全性及免疫效果进行监测和评价。方法用随机整群抽样法,抽取永兴、永顺县5070名3～9岁儿童,其中2596名儿童接种VarV-Fd(观察组),2474名接种麻疹-流行性腮腺炎联合减毒活疫苗(对照组),观察接种疫苗后28d中不良反应和93名儿童免疫前、后血清抗体水平及两年的流行病学效果。采用统计产品与服务解决方案(Statistical Productand Service Solutions,SPSS)13.0进行统计学分析。结果观察组不良反应总发生率1.62%(42/2596);VarV-Fd保护率为97.82%;免疫前抗体阴性组(<1:4)阳转率为96.4%(27/28),阳性组(≥1:4)抗体≥4倍增长率100%(65/65),差异无统计学意义(Fisher确切概率法,Pi=0.301);但免疫后抗体几何平均滴度阳性组明显高于阴性组,差异有统计学意义(t=43.088,P=0.0000))。结论 VarV-Fd有良好的安全性和免疫效果。
文摘用3株构建好的分别表达猪繁殖与呼吸综合症病毒(Porci ne reproduct i ve andr espi r at or y syndr ome vi r us,PRRSV)GP5蛋白,M蛋白和GP5-M融合蛋白的重组鸡痘病毒接种BALB/c小鼠进行免疫学实验,对其诱导小鼠产生体液免疫和细胞免疫反应的潜力进行了评价。结果表明,表达GP5-M融合蛋白的重组鸡痘病毒相对于其他各组能够刺激免疫鼠产生高水平的特异性中和抗体和ELI SA抗体;显著促进IFN-γ的分泌和特异性T淋巴细胞增殖,。提示表达GP5-M融合蛋白的重组鸡痘病毒可显著增强小鼠的体液免疫和细胞免疫,这为防治PRRSV感染的新型疫苗研究提供了新的思路。
