Chuankezhi(CKZ),a new Chinese medicine,plays an important role in immunoregulation.Cytokineinduced killer(CIK)cells have been commonly used for immunotherapy in recent years.In this study,we aimed to investigate the i...Chuankezhi(CKZ),a new Chinese medicine,plays an important role in immunoregulation.Cytokineinduced killer(CIK)cells have been commonly used for immunotherapy in recent years.In this study,we aimed to investigate the immunoregulatory effect of CKZ on CIK cells.Peripheral blood monocytes were isolated from healthy donors,and CIK cells were generated by culturing monocytes with interferon-gamma(IFN-γ)and interleukin 2.Different concentrations of CKZ were added on day 2.After incubation for 14days in culture,the antitumor effects of CIK cells were measured by cytotoxicity assay.Flow cytometry was used to explore the effect of CKZ on CIK cell immunophenotype,intracellular cytokine production,and apoptosis.The effect of CKZ on the antitumor activity of CIK cells in nude mice was also investigated.CKZ increased the percentage of CD3+CD56+CIK cells but did not significantly change the percentage of CD4+,CD8+,or CD4+CD25+CIK cells.CKZ-conditioned CIK cells showed a greater ability to kill tumor cells,as well as a higher frequency of IFN-γand TNF-αproduction,compared with the CIK cells in the control group.CKZ also suppressed the apoptosis of CIK cells in vitro.Furthermore,CKZ combined with CIK cells had a stronger suppressive effect on tumor growth in vivo than the CIK,CKZ,or normal saline control groups.Our results indicate that CKZ enhances the antitumor activity of CIK cells and is a potential medicine for tumor immunotherapy.展开更多
【目的】基于网状Meta分析评价中成药联合吸入疗法对儿童支气管哮喘的疗效及安全性。【方法】计算机检索中国期刊全文数据库(CNKI)、中国生物医学文献数据库(CBM)、万方医学数据库(Wanfang Data)、维普信息资源系统(VIP)、Embase、PubMe...【目的】基于网状Meta分析评价中成药联合吸入疗法对儿童支气管哮喘的疗效及安全性。【方法】计算机检索中国期刊全文数据库(CNKI)、中国生物医学文献数据库(CBM)、万方医学数据库(Wanfang Data)、维普信息资源系统(VIP)、Embase、PubMed、Web of Science等数据库中收录的中成药联合吸入疗法治疗儿童支气管哮喘的临床随机对照试验,应用Stata14对数据进行网状Meta分析。【结果】最终纳入28项研究,包括7种中成药,分别为寒喘祖帕颗粒、槐杞黄颗粒、痰热清注射液、小儿肺热咳喘颗粒、喘可治注射液、玉屏风颗粒、珠贝定喘丸。网状Meta分析结果显示,在提高总有效率方面,优选概率排名曲线(surface under the cumulative ranking curve,SUCRA)的概率排序居前3位的依次为痰热清注射液联合吸入疗法、喘可治注射液联合吸入疗法、珠贝定喘丸联合吸入疗法;改善肺功能指标呼气峰值流速(peak expiratory flow,PEF)、第1秒用力呼气容积(forced expiratory volume at one second,FEV1)、FEV1与用力肺活量(forced vital capacity,FVC)的比值(FEV1/FVC)最优的干预措施分别为痰热清注射液联合吸入疗法、寒喘祖帕颗粒联合吸入疗法、珠贝定喘丸联合吸入疗法;对不良反应发生率的SUCRA概率排序的分析结果显示,小儿肺热咳喘颗粒联合吸入疗法可能为副作用最小的干预措施,珠贝定喘丸联合吸入疗法可能为副作用较大的干预措施。【结论】中成药联合吸入疗法较单纯吸入疗法可提高小儿支气管哮喘的有效率及改善肺功能指标,且安全性较好。展开更多
基金National NaturalScience Foundation of China(No.u0772002,No.30700985,No.30973398)Guangdong Natural Science Foundation(No.925100890).
文摘Chuankezhi(CKZ),a new Chinese medicine,plays an important role in immunoregulation.Cytokineinduced killer(CIK)cells have been commonly used for immunotherapy in recent years.In this study,we aimed to investigate the immunoregulatory effect of CKZ on CIK cells.Peripheral blood monocytes were isolated from healthy donors,and CIK cells were generated by culturing monocytes with interferon-gamma(IFN-γ)and interleukin 2.Different concentrations of CKZ were added on day 2.After incubation for 14days in culture,the antitumor effects of CIK cells were measured by cytotoxicity assay.Flow cytometry was used to explore the effect of CKZ on CIK cell immunophenotype,intracellular cytokine production,and apoptosis.The effect of CKZ on the antitumor activity of CIK cells in nude mice was also investigated.CKZ increased the percentage of CD3+CD56+CIK cells but did not significantly change the percentage of CD4+,CD8+,or CD4+CD25+CIK cells.CKZ-conditioned CIK cells showed a greater ability to kill tumor cells,as well as a higher frequency of IFN-γand TNF-αproduction,compared with the CIK cells in the control group.CKZ also suppressed the apoptosis of CIK cells in vitro.Furthermore,CKZ combined with CIK cells had a stronger suppressive effect on tumor growth in vivo than the CIK,CKZ,or normal saline control groups.Our results indicate that CKZ enhances the antitumor activity of CIK cells and is a potential medicine for tumor immunotherapy.
文摘【目的】基于网状Meta分析评价中成药联合吸入疗法对儿童支气管哮喘的疗效及安全性。【方法】计算机检索中国期刊全文数据库(CNKI)、中国生物医学文献数据库(CBM)、万方医学数据库(Wanfang Data)、维普信息资源系统(VIP)、Embase、PubMed、Web of Science等数据库中收录的中成药联合吸入疗法治疗儿童支气管哮喘的临床随机对照试验,应用Stata14对数据进行网状Meta分析。【结果】最终纳入28项研究,包括7种中成药,分别为寒喘祖帕颗粒、槐杞黄颗粒、痰热清注射液、小儿肺热咳喘颗粒、喘可治注射液、玉屏风颗粒、珠贝定喘丸。网状Meta分析结果显示,在提高总有效率方面,优选概率排名曲线(surface under the cumulative ranking curve,SUCRA)的概率排序居前3位的依次为痰热清注射液联合吸入疗法、喘可治注射液联合吸入疗法、珠贝定喘丸联合吸入疗法;改善肺功能指标呼气峰值流速(peak expiratory flow,PEF)、第1秒用力呼气容积(forced expiratory volume at one second,FEV1)、FEV1与用力肺活量(forced vital capacity,FVC)的比值(FEV1/FVC)最优的干预措施分别为痰热清注射液联合吸入疗法、寒喘祖帕颗粒联合吸入疗法、珠贝定喘丸联合吸入疗法;对不良反应发生率的SUCRA概率排序的分析结果显示,小儿肺热咳喘颗粒联合吸入疗法可能为副作用最小的干预措施,珠贝定喘丸联合吸入疗法可能为副作用较大的干预措施。【结论】中成药联合吸入疗法较单纯吸入疗法可提高小儿支气管哮喘的有效率及改善肺功能指标,且安全性较好。
