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Evaluation of Interferon-Gamma Release Assay Testing and Tuberculin Skin Test for Early Diagnosis of Tuberculosis in Children and Adolescents
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作者 Yelda Sorguç Miray Çelebi Yılmaz +4 位作者 Yüce Ayhan Yakup Yaman Şener Tulumoğlu Aybüke Akaslan Kara İlker Devrim 《Open Journal of Pediatrics》 2024年第3期558-567,共10页
Background: This study aimed to evaluate the diagnostic value of interferon-γ release assay (IGRA), a sensitive microbiological diagnostic method, in children and adolescents with suspected tuberculosis in a country ... Background: This study aimed to evaluate the diagnostic value of interferon-γ release assay (IGRA), a sensitive microbiological diagnostic method, in children and adolescents with suspected tuberculosis in a country with a high burden of tuberculosis. Method: This study included 581 children and adolescents aged 4 - 19 years who were suspected of having tuberculosis, were latently infected with Mycobacterium tuberculosis, and had received at least one dose of BCG vaccine between April 17, 2019, and February 24, 2021. The study evaluated the TST results of 106 patients who had a positive Quantiferon test and were suspected of having tuberculosis. Results: The study included 581 patients aged between 4 and 19 years. Of these, 106 patients tested positive for the Quantiferon test, while 19 were indeterminate and 456 were negative. The Quantiferon test positivity rate was 18.24%. Among the 106 QFT-Plus-positive cases, 23 patients also tested positive for TST. The difference in distribution was found to be statistically significant. Conclusion: The QFT-Plus test is considered an alternative to TST and other microbiological diagnostic methods for early tuberculosis diagnosis, particularly in children and adolescents. 展开更多
关键词 interferon gamma Release Assay CHILDREN Tuberculin Test CHILDREN Latent Tuberculosis
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慢加急性乙型肝炎肝衰竭患者细菌感染病原菌分布及血清PCT、IFN-γ和IL-6水平变化分析 被引量:1
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作者 杨晶 陈美玲 +3 位作者 张丽秀 颜鲁伟 白正强 贺锐 《实用肝脏病杂志》 CAS 2024年第1期64-67,共4页
目的调查慢加急性乙型肝炎肝衰竭(HBV-ACLF)患者细菌感染病原菌分布特征,分析血清降钙素原(PCT)、干扰素-γ(IFN-γ)和白细胞介素-6(IL-6)水平预测细菌感染的效能。方法2019年12月~2023年1月我院收治的HBV-ACLF患者86例,常规分离和鉴定... 目的调查慢加急性乙型肝炎肝衰竭(HBV-ACLF)患者细菌感染病原菌分布特征,分析血清降钙素原(PCT)、干扰素-γ(IFN-γ)和白细胞介素-6(IL-6)水平预测细菌感染的效能。方法2019年12月~2023年1月我院收治的HBV-ACLF患者86例,常规分离和鉴定菌种,采用电化学发光免疫法检测血清PCT水平,采用ELISA法检测血清IFN-γ和IL-6水平,应用受试者工作特征(ROC)曲线评估血清指标联合预测HBV-ACLF患者发生细菌感染的效能。结果本组发生细菌感染者37例,未发生明确感染者49例;在37例HBV-ACLF并发细菌感染患者中,共检出68株感染病原菌,其中革兰氏阴性菌41株(60.3%),革兰氏阳性菌27株(39.7%);感染组血清PCT、IFN-γ和IL-6水平分别为(10.9±3.1)μg/L、(46.5±1.9)pg/mL和(16.9±1.6)pg/mL,均显著高于未感染组【分别为(0.9±0.1)μg/L、(20.1±2.4)pg/mL和(4.8±0.9)pg/mL,P<0.05】,28 d和90 d病死率分别为67.6%和75.7%,均显著高于未感染组(分别为8.2%和12.2%,P<0.05);经ROC分析显示,分别以PCT>3.3μg/L、IFN-γ>45.5 pg/mL和IL-6>15.4pg/mL为截断点,其联合预测HBV-ACLF患者并发细菌感染的曲线下面积(AUC)为0.874,诊断的灵敏度为93.6%,特异度为84.1%。结论HBV-ACLF患者细菌感染的病原菌分布具有一定的特征性,以革兰氏阴性菌感染为主,除检测血清PCT水平外,监测血清IFN-γ和IL-6水平可能有助于早期发现细菌感染而给予预防性处理,或能提供生存率。 展开更多
关键词 慢加急性乙型肝炎肝衰竭 细菌感染 降钙素原、干扰素-γ 白细胞介素-6 诊断
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TB-DNA、IGRAs、TB-Ab在肺结核中的诊断价值 被引量:1
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作者 林华 刘相玉 +1 位作者 陈展飞 俞柳敏 《分子诊断与治疗杂志》 2024年第5期917-920,925,共5页
目的探究结核分枝杆菌核酸(TB-DNA)、γ-干扰素释放试验(IGRAs)和结核分歧杆菌抗体(TB-Ab)检测在肺结核中的诊断价值。方法收集2022年6月至2023年1月莆田学院附属医院收治的154例疑似肺结核患者,所有患者均接受TB-DNA、IGRAs和TB-Ab检测... 目的探究结核分枝杆菌核酸(TB-DNA)、γ-干扰素释放试验(IGRAs)和结核分歧杆菌抗体(TB-Ab)检测在肺结核中的诊断价值。方法收集2022年6月至2023年1月莆田学院附属医院收治的154例疑似肺结核患者,所有患者均接受TB-DNA、IGRAs和TB-Ab检测,评价不同检测方法的检测阳性率、诊断肺结核的灵敏度、特异度、阳性预测值、阴性预测值及诊断准确率;采用受试者工作特征曲线(ROC)评估不同检测方法对肺结核的诊断效能。结果154例疑似肺结核患者中,107例确诊为肺结核(肺结核组),47例确诊为非肺结核的其他肺部疾病(对照组)。肺结核组TB-DNA、IGRAs和TB-Ab阳性率均高于对照组,差异有统计学意义(P<0.05)。TB-DNA、IGRAs检测诊断肺结核的灵敏度和诊断准确率均高于TB-Ab检测,差异有统计学意义(P<0.05),TB-DNA检测诊断肺结核的阴性预测值高于TB-Ab检测,差异有统计学意义(P<0.05)。ROC曲线分析结果显示,TB-DNA诊断肺结核的AUC为0.851(明显大于IGRAs诊断的0.770)、TB-Ab诊断的0.770,IGRAs诊断的AUC明显大于TB-Ab,差异均有统计学意义(P<0.05)。IGRAs+TB-DNA联合诊断的灵敏度、诊断准确率明显高于IGRAs单独检测(P<0.05);IGRAs+TB-Ab联合诊断的灵敏度明显高于IGRAs、TB-Ab单独检测,诊断准确率明显高于TB-Ab单独检测(P<0.05);TB-DNA+TB-Ab联合诊断的灵敏度、阴性预测值、诊断准确率明显高于TB-Ab单独检测(P<0.05)。TB-DNA、IGRAs、TB-Ab两两联合检测和三者联合检测诊断肺结核的灵敏度、特异度、阳性预测值、阴性预测值及诊断准确率比较,差异均无统计学意义(P>0.05)。结论相比TB-Ab和IGRAs检测,TB-DNA检测对肺结核的诊断价值更高;TB-DNA、IGRAs、TB-Ab两两联合检测对肺结核的诊断效能高于单一指标检测。 展开更多
关键词 肺结核 结核分枝杆菌核酸 Γ-干扰素释放试验 结核分歧杆菌抗体
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肺结核患者血清IP-10、SOCS1及CA125表达意义及其与引发支气管狭窄的相关性分析
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作者 赵娟 刘薇 +2 位作者 张珣 赵虹 张静 《临床和实验医学杂志》 2024年第5期465-469,共5页
目的分析肺结核患者血清γ干扰素诱导蛋白10(IP-10)、细胞因子信号转导抑制物1(SOCS1)及糖类抗原125(CA125)表达意义及其与引发支气管狭窄的相关性。方法回顾性选择2021年1月至2023年1月河北省胸科医院收治的116例肺结核患者作为观察组... 目的分析肺结核患者血清γ干扰素诱导蛋白10(IP-10)、细胞因子信号转导抑制物1(SOCS1)及糖类抗原125(CA125)表达意义及其与引发支气管狭窄的相关性。方法回顾性选择2021年1月至2023年1月河北省胸科医院收治的116例肺结核患者作为观察组,同期116名健康体检者作为对照组。根据观察组患者胸部影像学检查结果,分为重度组(n=26)和轻中度组(n=90);通过纤维支气管镜检查及活检,判断患者是否存在支气管狭窄,分为支气管狭窄组(n=42)与单纯肺结核组(n=74)。检测所有入选者血清IP-10、SOCS1及CA125水平,比较血清IP-10、SOCS1及CA125在对照组与观察组、不同严重程度的肺结核患者中的差异性;比较支气管狭窄组与单纯肺结核组第1秒用力呼气量(FEV1)、用力肺活量(FVC)、最大呼气峰流速(PEF);分析血清IP-10、SOCS1及CA125与肺结核患者肺功能相关指标及其并发支气管狭窄的相关性。采用受试者工作特征(ROC)曲线分析血清IP-10、SOCS1及CA125水平预测肺结核患者发生支气管狭窄的效能。结果观察组血清IP-10、CA125水平分别为(95.84±12.58)ng/L、(1.89±0.86)U/mL,均高于对照组[(71.25±5.63)ng/L、(0.74±0.23)U/mL],SOCS1水平为(165.32±7.95)μg/L,低于对照组[(252.54±24.71)μg/L],差异均有统计学意义(P<0.05)。重度组肺结核患者血清IP-10、CA125水平分别为(106.74±15.01)ng/L、(2.67±1.12)U/mL,均高于轻中度组[(89.72±8.16)ng/L、(1.45±0.60)U/mL],SOCS1水平为(154.12±6.07)μg/L,低于轻中度组[(200.75±15.83)μg/L],差异均有统计学意义(P<0.05)。支气管狭窄组FEV1、FVC、PEF均小于单纯肺结核组,差异均有统计学意义(P<0.05)。经Pearson相关性分析,肺结核患者FEV1、FVC、PEF与血清IP-10、CA125水平呈正相关(P<0.05),与SOCS1水平呈负相关(P<0.05)。经ROC曲线分析,血清IP-10、SOCS1联合CA125预测肺结核患者发生支气管狭窄的敏感度为89.12%,特异度为48.63%,曲线下面积为0.924。结论肺结核患者血清IP-10、CA125水平明显升高,SOCS1水平降低,与病情严重程度相关,其联合预测支气管狭窄具有较好的效能。 展开更多
关键词 肺结核 γ干扰素诱导蛋白10 细胞因子信号转导抑制物1 糖类抗原125 支气管狭窄
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藏獒IFN-γ基因在毕赤酵母中的表达与抗病毒活性分析
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作者 宋世斌 何小兵 +1 位作者 景志忠 陈国华 《中兽医医药杂志》 CAS 2024年第5期1-6,共6页
采用毕赤酵母表达系统表达藏獒γ-干扰素(Tibetan mastiff interferon gamma,TmIFN-γ)并分析其生物活性,为抗病毒生物制品的研发与临床应用奠定基础。将构建的TmIFN-γ的真核表达质粒pPIC9k-TmIFN-γ转化至毕赤酵母GS115细胞,用不同浓... 采用毕赤酵母表达系统表达藏獒γ-干扰素(Tibetan mastiff interferon gamma,TmIFN-γ)并分析其生物活性,为抗病毒生物制品的研发与临床应用奠定基础。将构建的TmIFN-γ的真核表达质粒pPIC9k-TmIFN-γ转化至毕赤酵母GS115细胞,用不同浓度的G418筛选得到多拷贝重组菌株;利用甲醇进行诱导表达,以镍层析柱纯化目的蛋白,对表达产物进行SDS-PAGE和Western blotting鉴定;通过CCK-8试验检测重组TmIFN-γ蛋白的细胞毒性作用,利用VSV-MDBK系统检测其抗病毒生物活性。结果显示,成功筛选得到高拷贝pPIC9k-TmIFN-γ重组转化毕赤酵母菌株,利用甲醇诱导可获得TmIFN-γ重组蛋白,该蛋白对细胞无毒性,具有显著抗病毒活性,其抗病毒生物效价为1.727×10~5IU/mL。本研究获得了具有抗病毒活性的TmIFN-γ,有助于进一步探索TmIFN-γ的功能和开发新型基因工程抗病毒药物。 展开更多
关键词 藏獒IFN-γ 酵母表达 抗病毒活性
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重组犬IFN-γ的原核表达及生物学活性研究
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作者 李海珠 曹众达 +8 位作者 刘妍 李乐琴 杜吉革 王团结 朱真 陈小云 罗玉峰 欧长波 印春生 《黑龙江畜牧兽医》 CAS 北大核心 2024年第21期1-9,共9页
为了探究犬γ干扰素(canine interferon gamma,CaIFN-γ)的原核可溶性表达方法及其生物学活性,试验首先采用PCR方法扩增优化后的CaIFN-γ基因成熟肽序列,以此构建重组表达质粒pCold-SUMO-10His-CaIFN-γ;然后将重组表达质粒转化至表达菌... 为了探究犬γ干扰素(canine interferon gamma,CaIFN-γ)的原核可溶性表达方法及其生物学活性,试验首先采用PCR方法扩增优化后的CaIFN-γ基因成熟肽序列,以此构建重组表达质粒pCold-SUMO-10His-CaIFN-γ;然后将重组表达质粒转化至表达菌株Lyophilized BL21(DE3)Chaprone中,并用IPTG进行诱导表达;最后对表达的重组蛋白rCaIFN-γ进行SDS-PAGE分析、Western-blot鉴定、IPTG浓度优化、Ni-IDA亲和层析,以及采用CCK-8法测定重组蛋白rCaIFN-γ的细胞毒性,实时荧光定量PCR(相对定量)法检测凋亡相关基因和干扰素刺激基因(ISGs)转录水平变化,用细胞病变(CPE)法测定抗水疱性口炎病毒(VSV)效价,实时荧光定量PCR(绝对定量)法测定抗犬流感病毒(CIV)H3N2亚型感染的能力。结果表明:优化后的CaIFN-γ基因PCR扩增产物大小为494 bp,且重组表达质粒pCold-SUMO-10His-CaIFN-γ经菌液PCR、双酶切和测序验证构建成功;阳性菌株经诱导后表达的重组蛋白rCaIFN-γ大小为35.1 ku,该蛋白质能以可溶性形式表达,且可以与His Tag和HA Tag的鼠源单克隆抗体发生特异性反应;IPTG最佳诱导表达浓度为0.05 mmol/L;纯化后的重组蛋白rCaIFN-γ最大安全浓度为20μg/mL。以最大安全浓度的重组蛋白rCaIFN-γ分别作用MDCK细胞、MDCK(PB_(2))细胞4 h和6 h后,促凋亡基因p53和Bcl2相关X蛋白(Bax)的相对表达量无显著变化(P>0.05),γ干扰素受体2(IFNGR2)基因相对表达量降低(P<0.01或P>0.05),信号转导及转录激活因子1(STAT1)和干扰素调节因子1(IRF1)基因相对表达量均升高(P<0.05或P<0.01);MDCK细胞中,作用6 h IFNGR2、STAT1和IRF1基因相对表达量略高于4 h,但差异不显著(P>0.05);MDCK(PB_(2))细胞中,作用6 h IFNGR2和IRF1基因相对表达量极显著高于4 h(P<0.01),而STAT1基因相对表达量显著低于4 h(P<0.05)。再以最大安全浓度的重组蛋白rCaIFN-γ分别刺激MDCK和MDCK(PB_(2))细胞24 h,干扰素诱导跨膜蛋白1(IFITM1)、抗黏病毒蛋白1(MX1)、干扰素诱导蛋白与四肽重复1(IFIT1)、干扰素刺激基因15(ISG15)、2′-5′寡腺苷酸合成酶1(OAS1)5种ISGs转录水平均升高,且MDCK细胞中的转录水平均极显著高于MDCK(PB_(2))细胞(P<0.01)。该蛋白质在MDCK细胞中抗VSV的病毒活性效价为6.4×10~5 U/mL,并且对H3N2亚型CIV有一定的抑制作用。说明重组蛋白rCaIFN-γ在大肠杆菌中成功地实现了可溶性表达,并且具有良好的生物学活性。 展开更多
关键词 重组犬γ干扰素 原核表达 凋亡 干扰素刺激基因 生物学活性
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Assessment by meta-analysis of interferon-gamma for the diagnosis of tuberculous peritonitis 被引量:18
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作者 Si-Biao Su Shan-Yu Qin +2 位作者 Xiao-Yun Guo Wei Luo Hai-Xing Jiang 《World Journal of Gastroenterology》 SCIE CAS 2013年第10期1645-1651,共7页
AIM:To investigate the performance and diagnostic accuracy of interferon-gamma(IFN-γ) for tuberculous peritonitis(TBP) by meta-analysis.METHODS:A systematic search of English language studies was performed.We searche... AIM:To investigate the performance and diagnostic accuracy of interferon-gamma(IFN-γ) for tuberculous peritonitis(TBP) by meta-analysis.METHODS:A systematic search of English language studies was performed.We searched the following electronic databases:MEDLINE,EMBASE,Web of Science,BIOSIS,LILACS and the Cochrane Library.The Standards for Reporting Diagnostic Accuracy initiative and Quality Assessment for Studies of Diagnostic Accuracy tool were used to assess the methodological quality of the studies.Sensitivity,specificity,and other measures of the accuracy of IFN-γ concentration in the diagnosis of peritoneal effusion were pooled using random-effects models.Receiver operating characteristic(ROC) curves were applied to summarize overall test performance.Two reviewers independently judged study eligibility while screening the citations.RESULTS:Six studies met the inclusion criteria.The average inter-rater agreement between the two reviewers for items in the quality checklist was 0.92.Analysis of IFN-γ level for TBP diagnosis yielded a summary estimate:sensitivity,0.93(95%CI,0.87-0.97);specificity,0.99(95%CI,0.97-1.00);positive likelihood ratio(PLR),41.49(95%CI,18.80-91.55);negative likelihood ratio(NLR),0.11(95%CI,0.06-0.19);and diagnostic odds ratio(DOR),678.02(95%CI,209.91-2190.09).χ 2 values of the sensitivity,specificity,PLR,NLR and DOR were 5.66(P = 0.3407),6.37(P = 0.2715),1.38(P = 0.9265),5.46(P = 0.3621) and 1.42(P = 0.9220),respectively.The summary receiver ROC curve was positioned near the desirable upper left corner and the maximum joint sensitivity and specificity was 0.97.The area under the curve was 0.99.The evaluation of publication bias was not significant(P = 0.922).CONCLUSION:IFN-γ may be a sensitive and specific marker for the accurate diagnosis of TBP.The level of IFN-γ may contribute to the accurate differentiation of tuberculosis(TB) ascites from non-TB ascites. 展开更多
关键词 TUBERCULOSIS TUBERCULOUS PERITONITIS interferon-gamma DIAGNOSIS META-ANALYSIS
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Effectiveness of interferon-gamma release assays for differentiating intestinal tuberculosis from Crohn's disease:A meta-analysis 被引量:14
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作者 Wen Chen Jun-Hua Fan +2 位作者 Wei Luo Peng Peng Si-Biao Su 《World Journal of Gastroenterology》 SCIE CAS 2013年第44期8133-8140,共8页
AIM:To investigate the clinical usefulness of interferon-gamma release assays(IGRAs)in the differential diagnosis of intestinal tuberculosis(ITB)from Crohn’s disease(CD)by meta-analysis.METHODS:A systematic search of... AIM:To investigate the clinical usefulness of interferon-gamma release assays(IGRAs)in the differential diagnosis of intestinal tuberculosis(ITB)from Crohn’s disease(CD)by meta-analysis.METHODS:A systematic search of English language studies was performed.We searched the following databases:Medline,Embase,Web of Science and the Cochrane Library.The Standards for Reporting Diagnostic Accuracy initiative and Quality Assessment for Studies of Diagnostic Accuracy tool were used to assess the methodological quality of the studies.Sensitivity,specificity,and other measures of the accuracy of IGRAs in the differential diagnosis of ITB from CD were pooled and analyzed using random-effects models.Receiver operating characteristic curves were applied to summarize overall test performance.Two reviewers independently judged study eligibility while screening the citations.RESULTS:Five studies met the inclusion criteria.The average inter-rater agreement between the two reviewers for items in the quality checklist was 0.95.Analysis of IGRAs for the differential diagnosis of ITB from CD produced summary estimates as follows:sensitivity,0.74(95%CI:0.68-0.80);specificity,0.87(95%CI:0.82-0.90);positive likelihood ratio,5.98(95%CI:3.79-9.43);negative likelihood ratio,0.28(95%CI:0.18-0.43);and diagnostic odds ratio,26.21(95%CI:14.15-48.57).The area under the curve was 0.92.The evaluation of publication bias was not significant(P=0.235).CONCLUSION:Although IGRAs are not sensitive enough,they provide good specificity for the accurate diagnosis of ITB,which may be helpful in the differential diagnosis of ITB from CD. 展开更多
关键词 INTESTINAL TUBERCULOSIS Crohn’s disease interferon-gamma META-ANALYSIS
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Animal experiment and clinical study of effect of gamma-interferon on hepatic fibrosis 被引量:53
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作者 Hong Lei Weng Wei Min Cai Rong Hua Liu Institute of Infectious Diseases, First Affiliated Hospital. Medical School. Zhejiang University, Hangzhou 310003, Zhejiang Province. China 《World Journal of Gastroenterology》 SCIE CAS CSCD 2001年第1期42-48,共7页
AIM: To evaluate the antifibrotic effect of different doses of recombinant human Gamma-Interferon (IFN-gamma) in two rat models of hepatic fibrosis, and to observe its effect on moderate chronic hepatitis B virus fibr... AIM: To evaluate the antifibrotic effect of different doses of recombinant human Gamma-Interferon (IFN-gamma) in two rat models of hepatic fibrosis, and to observe its effect on moderate chronic hepatitis B virus fibrosis. METHODS: Hepatic fibrosis was successfully induced in 150 and 196 rats by subcutaneous injection of carbon tetrachloride (CCl4) and intraperitoneal injection of dimethylnitrosamine (DMN), respectively. Each of the two model groups was divided into: (1) fibrotic model group; (2) colchicine treatment group (0.1 mg/kg/day, gastrogavage for 8 weeks); (3) high-dose IFN-gamma group (15 MU/kg per day, i.m. for 8 weeks); (4) medium-dose IFN-gamma group (5 MU/kg daily, i.m. for 8 weeks); and (5) Y low-dose IFN-gamma group (1.67 MU/kg daily, i.m. for 8 weeks). Another group of 10 rats without any treatment was used as normal controls. At the end of the experiment, semi-quantitative histopathological scores of inflammation and fibrosis, liver alpha smooth muscle actin (alpha-SMA) expression level, liver hydroxyl proline content and serum hyaluronic acid levels were compared. And 47 medium chronic hepatitis B viral fibrosis patients were studied. They were given IFN-gamma treatment, 100 MU/day i.m. for the first three months and 100 MU qod i.m. for the next six months. Semi-quantitative pathological scores of inflammation and fibrosis and serum hepatic fibrosis indices were compared within the 9 months. RESULTS: In animal experiment, the pathological fibrosis scores and liver hydroxyl proline content were found to be significantly lower in rats treated with different doses of IFN-gamma as compared with rats in fibrotic model group induced by either CCl4 or DMN, in a dose-dependent manner. For CCl4-induced model, pathological fibrosis scores in high, medium and low doses IFN-gamma groups were 5.10 +/- 2.88, 7.70 +/- 3.53 and 8.00 +/- 3.30, respectively, but the score was 14.60 +/- 7.82 in fibrotic model group. Hydroxyl proline contents were 2.83 +/- 1.18, 3.59 +/- 1.22 and 4.80 +/- 1.62, in the three IFN-gamma groups, and 10.01 +/- 3.23 in fibrotic model group. The difference was statistically significant (P【0.01). Similar results were found in DMN-induced model. Pathological fibrosis scores were 6.30 +/- 0.48, 8.10 +/- 2.72 and 8.30 +/- 2.58, in high, medium and low doses IFN-gamma groups, and 12.60 +/- 3.57 in fibrotic model group. Hydroxyl proline contents were 2.72 +/- 0.58, 3.14 +/- 0.71 and 3.62 +/- 1.02, in the three IFN-gamma groups, and 12.79 +/- 1.54 in fibrotic model group. The difference was statistically significant (P【0.01).Serum hepatic fibrosis indices decreased significantly in the 47 patients after IFN-gamma treatment (HA: 433.38 +/- 373.00 vs 281.57 +/- 220.48; LN: 161.22 +/- 41.02 vs 146 +/- 35 +/- 44. 67; PC III: 192.59 +/- 89.95 vs 156.98 +/- 49.22; C-I: 156.30 +/- 44.01 vs 139.14 +/- 34.47) and the differences between the four indices were significant (P 【0.05). Thirty-three patients received two liver biopsies, one before and one after IFN-gamma treatment. In thirty of 33 patients IFN-gamma had better effects according to semi-quantitative pathological scores (8.40 +/- 5.83 vs 5.30 +/- 4.05, P【0.05). CONCLUSION: All the three doses of IFN-gamma are effective in treating rat liver fibrosis induced by either CCl4 or DMN, the higher the dose, the better the effect. And IFN-gamma is effective for patients with moderate chronic hepatitis B viral fibrosis. 展开更多
关键词 Animals Antineoplastic Agents dosage Biopsy Carbon Tetrachloride DIMETHYLNITROSAMINE Disease Models Animal Female Hepatitis B Chronic Humans Hyaluronic Acid HYDROXYPROLINE interferon-gamma Recombinant Liver Liver Cirrhosis Liver Function Tests Male RATS Rats Sprague-Dawley
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妊娠合并HBV感染者血清IP-10、QSOX1水平及与母婴不良结局关系
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作者 卓亚 朱斌 吴虹杰 《中国计划生育学杂志》 2024年第6期1420-1423,1428,共5页
目的:探讨妊娠合并乙肝病毒(HBV)感染孕妇血清干扰素γ诱导蛋白-10(IP-10)、巯基氧化酶1(QSOX1)水平与母婴不良结局关系。方法:回顾性选择2021年3月-2023年3月本院治疗的妊娠合并HBV感染孕妇86例为感染组,产前检查正常孕妇76例为对照组... 目的:探讨妊娠合并乙肝病毒(HBV)感染孕妇血清干扰素γ诱导蛋白-10(IP-10)、巯基氧化酶1(QSOX1)水平与母婴不良结局关系。方法:回顾性选择2021年3月-2023年3月本院治疗的妊娠合并HBV感染孕妇86例为感染组,产前检查正常孕妇76例为对照组,检测所有孕妇血清IP-10、QSOX1水平并记录母婴结局,进行组间比较。采用多因素logistic回归模型对妊娠合并HBV感染者母婴结局的影响因素进行分析,采用受试者工作特征(ROC)曲线分析血清IP-10、QSOX1对妊娠合并HBV感染者母婴结局评估价值。结果:感染组血清IP-10(68.52±10.46 pg/ml)、QSOX1(75.62±11.50 ng/ml)水平均高于对照组(30.22±6.66 pg/ml、45.25±7.62 ng/ml),不良母婴结局发生率(50.0%)高于对照组(17.1%)(均P<0.05)。多因素logistic逐步回归分析显示,血清IP-10(OR=1.740,95%CI 1.403~2.159)、QSOX1(OR=4.225,95%CI 2.050~8.708)均为影响妊娠合并HBV感染者不良母婴结局的因素(P<0.05)。ROC曲线分析显示,血清IP-10、QSOX1评估妊娠合并HBV感染者不良母婴结局的曲线下面积(AUC)为0.854、0.867,二者联合评估效能提高(AUC=0.925)。结论:妊娠合并HBV感染者血清IP-10、QSOX1水平均升高,且二者水平变化均是影响孕妇不良母婴结局因素,且可作为评估不良母婴结局指标。 展开更多
关键词 妊娠合并乙肝病毒感染 干扰素γ诱导蛋白-10 巯基氧化酶1 母婴不良结局 影响因素 评估价值
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The Expression of Interleukin-17, Interferon-gamma, and Macrophage Inflammatory Protein-3 Alpha mRNA in Patients with Psoriasis Vulgaris 被引量:10
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作者 李家文 李东升 谭志建 《Journal of Huazhong University of Science and Technology(Medical Sciences)》 SCIE CAS 2004年第3期294-296,共3页
Summary: To investigate the role of Interleukin-17 (IL-17), Interferon-gamma (IFN-γ), and macrophage inflammatory protein-3 alpha (MIP-3α) in the pathogenesis of psoriasis, reverse transcriptase-polymerase chain re... Summary: To investigate the role of Interleukin-17 (IL-17), Interferon-gamma (IFN-γ), and macrophage inflammatory protein-3 alpha (MIP-3α) in the pathogenesis of psoriasis, reverse transcriptase-polymerase chain reaction (RT-PCR) was used to semi-quantitatively analyze the mRNA expression of IL-17, IFN-γ, and MIP-3α in 31 psoriatic lesions and 16 normal skin tissues. The results showed that the mRNA of the three cytokines was present in all specimens. And the expression level of IL-17 mRNA in skin lesions was 1.1416±0.0591, which was significantly higher than that in normal controls (0.8788±0.0344, P<0.001). The expression levels of IFN-γ mRNA were 1.1142±0.0561 and 0.9050±0.0263, respectively, with significant difference(P<0.001). And the expression levels of MIP-3α mRNA in psoriatic lesions was 1.1397±0.0521, which was markedly higher than that in normal controls (0.8681±0.0308, P<0.001). These findings indicate that up-regulated expression of IL-17, IFN-γ, and MIP-3α might be involved in the pathogenesis of psoriasis. 展开更多
关键词 Psoriasis vulgaris INTERLEUKIN-17 interferon-gamma macrophage inflammatory protein-3 alpha
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产褥期感染危险因素分析及TAC、IFN-γ及α1-AG预测价值 被引量:1
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作者 孙连红 杨晓宁 江晓红 《中国计划生育学杂志》 2024年第3期690-694,699,共6页
目的:分析产褥期感染危险因素并探讨总抗氧化能力(TAC)、干扰素γ(IFN-γ)及α1酸性糖蛋白(α1-AG)预测价值。方法:回顾性收集2020年6月-2023年1月本院接诊的250例产妇临床资料,根据产褥期感染发生情况分为感染组(n=31)和未感染组(n=21... 目的:分析产褥期感染危险因素并探讨总抗氧化能力(TAC)、干扰素γ(IFN-γ)及α1酸性糖蛋白(α1-AG)预测价值。方法:回顾性收集2020年6月-2023年1月本院接诊的250例产妇临床资料,根据产褥期感染发生情况分为感染组(n=31)和未感染组(n=219),收集临床资料,分析产褥期感染危险因素,检测血清TAC、IFN-γ、α1-AG水平并采用受试者工作特征曲线(ROC)分析其预测产褥期感染价值。结果:单因素分析,两组年龄、孕周、产次、内分泌疾病比较无差异(P>0.05);两组产程、妇科炎症、妊娠高血压疾病、妊娠期糖尿病、产后出血、居住地、分娩方式、胎膜早破、卧床时间比较有差异(P<0.05);感染组血清IFN-γ(150.05±36.25 pg/ml)、α1-AG(156.35±40.91 mg/dl)高于未感染组(134.71±30.56 pg/ml、116.25±38.36 mg/dl),TAC(8.20±1.50 kU/ml)低于未感染组(10.83±2.45 kU/ml)(均P<0.05);白细胞计数、C反应蛋白及降钙素原水平产前两组无差异(P>0.05),产后两组均升高且感染组高于未感染组(P<0.05)。多因素非条件logistic分析,产程长、妇科炎症、妊娠高血压疾病、妊娠期糖尿病、产后出血、居住地为乡村、分娩方式为剖宫产、胎膜早破、卧床时间≥3d、TAC降低、IFN-γ升高及α1-AG升高均是产褥期感染发生的独立危险因素(P<0.05);ROC结果显示,预测产褥期感染血清TAC的曲线下面积(AUC)为0.808,灵敏度76.3%,特异度79.5,截断值9.56 kU/ml;血清IFN-γ的AUC为0.651,灵敏度61.5%,特异度69.4%,截断值141.24 pg/ml;血清α1-AG的AUC为0.753,灵敏度73.4%,特异度70.8%,截断值130.35 mg/dl。结论:产程长、妇科炎症、妊娠高血压疾病、妊娠期糖尿病、产后出血、居住地为乡村、剖宫产、胎膜早破、卧床时间长均是产褥期感染的独立危险因素,血清TAC、IFN-γ、α1-AG在产褥期感染者血清中表达异常且可对产褥期感染的发生有一定预测价值。 展开更多
关键词 产褥期感染 总抗氧化能力 干扰素Γ Α1酸性糖蛋白 危险因素 预测价值
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Retinal stem cells transplantation combined with copolymer-1 immunization reduces interferon-gamma levels in an experimental model of glaucoma 被引量:2
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作者 Xia Zhou Xiao-Bo Xia 《International Journal of Ophthalmology(English edition)》 SCIE CAS 2011年第6期594-598,共5页
AIM: To explore the effect of immunization with copolymer-1 (COP-1) and retinal stem cells (RSCs) transplantation on interferon-gamma (IFN-gamma) levels in a rat experimental glaucoma model. METHODS: An experimental g... AIM: To explore the effect of immunization with copolymer-1 (COP-1) and retinal stem cells (RSCs) transplantation on interferon-gamma (IFN-gamma) levels in a rat experimental glaucoma model. METHODS: An experimental glaucoma was induced by argon laser photocoagulation of the episcleral veins and limbal plexus in the right eye of rats. Immediately following glaucoma induction, rats were immunized with COP-1. RSCs were cultured and transplanted intravitreally into the eyes of glaucoma model animals 1 week post-laser treatment. Six experimental groups were used: COP-1/RSC, PBS/RSC, COP-1/PBS, PBS/PBS, glaucoma model group, and a normal control group. The concentration of IFN-gamma in aqueous humor (AH) and serum was measured by enzyme-linked immunosorbent assay (ELISA) in each of the six groups. Retinal ganglion cell (RGC) survival was assessed by quantifying apoptosis using Hoechst staining. RESULTS: Concentrations of IFN-gamma in AH and serum of rats that had undergone glaucoma induction were higher than those of non-induced control rats. The concentrations of IFN-gamma in AH and serum of the COP-1/RSCs treated group were determined to be 2371.9ng/L and 710.9ng/L, respectively, which were significantly lower than those in the other treated groups (P<0.05). In fact, IFN-gamma levels in the dual treated group were reduced to background levels. The COP-1/RSC group had lower number of apoptotic RGCs than the other three experimental groups (P<0.05). CONCLUSION: The reduced levels of IFN-gamma in AH and serum of the COP-1/RSC group may be related to synergistic effects between RSCs transplantation and COP-1 immune modulation. It is likely that the lower levels of IFN-gamma prevented RGCs glaucomatous apoptasis. 展开更多
关键词 GLAUCOMA interferon-gamma RSC transplantation COP-1 immunization
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清眩润目饮对干眼模型鼠眼表炎性因子IFN-γ、IL-17、MMP3、MMP9的影响
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作者 刘悦 王佳娣 +2 位作者 韩其琛 赵珊珊 姚靖 《中国中医急症》 2024年第8期1336-1339,共4页
目的 对雌性C57BL/6J小鼠进行干眼造模,给予中药清眩润目饮治疗,观察其对眼表炎性因子干扰素-γ(IFN-γ)、白细胞介素-17(IL-17)、基质金属蛋白酶3(MMP3)、基质金属蛋白酶9(MMP9)的影响。方法 将健康雌性C57BL/6J小鼠随机分为A组(空白... 目的 对雌性C57BL/6J小鼠进行干眼造模,给予中药清眩润目饮治疗,观察其对眼表炎性因子干扰素-γ(IFN-γ)、白细胞介素-17(IL-17)、基质金属蛋白酶3(MMP3)、基质金属蛋白酶9(MMP9)的影响。方法 将健康雌性C57BL/6J小鼠随机分为A组(空白对照组)、B组(模型组)、C组(中药组)、D组(玻璃酸钠组),每组20只。B、C、D组进行干眼造模,C组给予18 mg/(kg·d)的中药灌胃处理,每天2次;D组给予0.1%玻璃酸钠滴眼液,每天2次。实验结束后取小鼠的泪腺、角膜,采用免疫组化法检测IFN-γ、IL-17、MMP3、MMP9水平。结果 在小鼠泪腺组织中,与B组比较,C组IFN-γ及IL-17蛋白表达水平降低(P <0.05),MMP3蛋白表达水平显著降低(P <0.01);与B组比较,D组IFN-γ蛋白表达水平显著降低(P <0.01),MMP9蛋白表达水平降低(P <0.05)。在小鼠角膜组织中,在小鼠角膜组织中,与B组比较,C组MMP3蛋白表达水平降低(P <0.05),MMP9蛋白表达水平显著降低(P <0.01);与B组比较,D组MMP9蛋白表达水平显著降低(P <0.01)。结论 清眩润目饮能够有效下调干眼模型鼠眼表炎性因子IFN-γ、IL-17、MMP3、MMP9水平,减轻干眼眼表损伤。 展开更多
关键词 干眼 干扰素-γ(IFN-γ) 白细胞介素-17(IL-17) 基质金属蛋白酶3(MMP3) 基质金属蛋白酶9(MMP9) 清眩润目饮 小鼠
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Clinical and bacteriological correlates of whole blood interferon gamma(IFN-γ) in newly detected cases of pulmonary TB 被引量:1
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作者 Bandyopadhyay M Bhakta A +2 位作者 Chakrabarty S Pal M Premananda Bharati 《Asian Pacific Journal of Tropical Medicine》 SCIE CAS 2010年第3期224-231,共8页
Objective:To determine the relationship of the capacity to produce interferon gamma(IFN-γ) in whole blood,bacteriological,hematological,radiographic and clinical presentations in new,HIV seronegative cases of pulmona... Objective:To determine the relationship of the capacity to produce interferon gamma(IFN-γ) in whole blood,bacteriological,hematological,radiographic and clinical presentations in new,HIV seronegative cases of pulmonary tuberculosis(TB).Methods:80 cases and 50 control subjects aged 15 years onwards,representative of Kasturba Hospital and Nursing schools of Wardha district of Maharashtra state in India were examined for their health condition with standard methodology.Results:Among these TB patients,73.8%were Quantiferon-TB gold (QFT) positive with IFN-γconcentration as 0.35 IU or more and there was none in healthy controls.The mean IFN-γconcentrations varied between 9.58 IU(50-59 yrs) and 2.58 IU(≥60 yrs),showing no trend.The differences in positivity and mean IFN-γconcentrations were statistically insignificant.Both the QFT positivity and IFN-γconcentrations were higher in normal lymphocyte percent as compared to below and above normal,but differences were not statistically significant.Conclusions:The IFN-γconcentrations are not correlated with any of the predictors of disease severity studied,the levels are significantly higher in observation group as compared to healthy group. 展开更多
关键词 interferon gamma(IFN-γ) Tuberculosis(TB) patients Quantiferon-tuberculosis gold(QFT) POSITIVITY MAHARASHTRA India
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血清IL-17A、IFN-γ与慢性鼻窦炎伴鼻息肉严重程度的相关性
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作者 周倩 徐鹏育 曾伟 《广东医学》 CAS 2024年第5期631-635,共5页
目的探讨血清白细胞介素-17A(IL-17A)、γ-干扰素(IFN-γ)与慢性鼻窦炎伴鼻息肉(CRSwNP)患者病情严重程度的相关性。方法以河南科技大学第一附属医院2021年6月至2023年6月收治的82例CRSwNP患者为观察组,另择同期收治的30例单纯鼻中隔偏... 目的探讨血清白细胞介素-17A(IL-17A)、γ-干扰素(IFN-γ)与慢性鼻窦炎伴鼻息肉(CRSwNP)患者病情严重程度的相关性。方法以河南科技大学第一附属医院2021年6月至2023年6月收治的82例CRSwNP患者为观察组,另择同期收治的30例单纯鼻中隔偏曲的患者为对照组。于治疗前测定并对比两组血清IL-17A、IFN-γ、转化生长因子-β1(TGF-β1)、基质金属蛋白酶-9(MMP-9)水平;并采用pearson相关性分析CRSwNP患者血清IL-17A、IFN-γ与病情严重程度及血清TGF-β1、MMP-9的关系,采用受试者工作特征(ROC)曲线分析血清IL-17A、IFN-γ对CRSwNP的诊断效能。结果观察组的血清IL-17A、IFN-γ、TGF-β1、MMP-9均明显高于对照组,差异有统计学意义(P<0.05);观察组的Lund-Mackay评分、Lund-Kennedy评分均明显高于对照组,差异有统计学意义(P<0.05)。Pearson相关性分析显示,CRSwNP患者的血清IL-17A、IFN-γ水平与Lund-Mackay评分、Lund-Kennedy评分、血清TGF-β1、MMP-9水平均呈正相关关系(P<0.05);ROC曲线分析显示,血清IL-17A、IFN-γ水平及二者联合检测均对CRSwNP有诊断效能(P<0.05),且相较于单项检测,二者联合检测的效能更高,AUC为0.953,敏感度为93.90%,特异度为90.00%。结论CRSwNP的发生伴随IL-17A、IFN-γ升高,IL-17A、IFN-γ水平与病情严重程度及鼻黏膜组织重构有关,还可作为CRSwNP的早期诊断指标。 展开更多
关键词 慢性鼻窦炎伴息肉 病情严重程度 白细胞介素-17A Γ-干扰素 血清
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Capillary Electrophoretic Immunoassay with Laser-induced Fluorescence Detection for Interferon-gamma 被引量:2
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作者 HuaZHANG HaiMingWEI WenRuiJIN 《Chinese Chemical Letters》 SCIE CAS CSCD 2004年第1期121-122,共2页
Capillary electrophoretic immunoassay with laser-induced fluorescence detection for recombinant human interferon-gamma (IFN-g) was established. The limits of detection for three forms of IFN-g are 6.9 ng/L, 5.7 ng/L ... Capillary electrophoretic immunoassay with laser-induced fluorescence detection for recombinant human interferon-gamma (IFN-g) was established. The limits of detection for three forms of IFN-g are 6.9 ng/L, 5.7 ng/L and 5.0 ng/L, respectively. 展开更多
关键词 Capillary electrophoretic immunoassay interferon-gamma.
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Performance and correlation of interferon gamma release assays and tuberculin skin test in HIV-infected children and adolescents with immune reconstitution 被引量:2
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作者 Keswadee Lapphra Rati Diwitaya +9 位作者 Sansnee Senawong Maneeprang Thovarabha Parnwas Pinnobphun Alan Maleesatharn Nantaka Kongstan Benjawan Khumcha Wanatpreeya Phongsamart Orasri Wittawatmongkol Supattra Rungmaitree Kulkanya Chokephaibulkit 《Asian Pacific Journal of Tropical Medicine》 SCIE CAS 2020年第10期464-466,共3页
Objective:To evaluate the performance of interferon gamma release assays and tuberculin skin test in HIV-infected children and adolescents with immune reconstitution.Methods:A cross-sectional study was conducted in HI... Objective:To evaluate the performance of interferon gamma release assays and tuberculin skin test in HIV-infected children and adolescents with immune reconstitution.Methods:A cross-sectional study was conducted in HIV-infected patients aged 5-18 years receiving antiretroviral treatment with CD4 T-lymphocytes>25%or>500 cells/mm3 for at least 6 months.QuantiF ERON-TB Gold,T-SPOT.TB,and tuberculin skin test were performed in each patient.Results:A total of 50 patients were enrolled with median age of 13.7 years,CD4 counts of 753(IQR:587-989)cells/mm3.Among 27 patients with tuberculosis(16)or tuberculosis exposure(11),8(29.6%)were positive to at least one test,2(7.4%)were positive QuantiFERON-TB Gold,3(11.1%)positive T-SPOT.TB,and 7(25.9%)had tuberculin skin test≥5 mm.Among 23 patients without history of tuberculosis or exposure,all had negative interferon gamma release assays,while 2(8.7%)had positive tuberculin skin test.Conclusions:All tests had low sensitivity despite immune reconstitution. 展开更多
关键词 CHILDREN HIV TB interferon gamma release assays Tuberculin skin test
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血清HMGB1、IFN-γ水平与再生障碍性贫血患儿细胞免疫障碍的相关性分析
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作者 郭玲慧 周会杰 《四川生理科学杂志》 2024年第11期2502-2505,共4页
目的:探讨血清高迁移率族蛋B1(high mobility group box-1 protein,HMGB1)、干扰素-γ(Interferonγ,IFN-γ)水平与再生障碍性贫血患儿细胞免疫障碍的相关性。方法:回顾性选取我院2022年6月至2023年6月的再生障碍性贫血患儿115例作为研... 目的:探讨血清高迁移率族蛋B1(high mobility group box-1 protein,HMGB1)、干扰素-γ(Interferonγ,IFN-γ)水平与再生障碍性贫血患儿细胞免疫障碍的相关性。方法:回顾性选取我院2022年6月至2023年6月的再生障碍性贫血患儿115例作为研究组,其中重型再生障碍性贫血患儿48例,轻型再生障碍性贫血患儿67例。按照患儿接受治疗后的预后情况分为发生组和未发生组,其中发生组45例,未发生组70例;另选取在我院进行体检的100例健康儿童作为参照组。检测并对比各组血清HMGB1、IFN-γ水平,并对比轻型、重型再生障碍性贫血患儿血清HMGB1、IFN-γ、血小板计数(Platelet count,PLT)、巨核细胞计数(Megakaryocyte,MK)水平,分析再生障碍性贫血患儿血清HMGB1、IFN-γ水平和PLT、MK之间的关系,对比预后不同状况两组的血清HMGB1、IFN-γ水平,采用ROC曲线分析血清HMGB1、IFN-γ预测再生障碍性贫血患儿细胞免疫障碍的临床价值。结果:研究组血清HMGB1、IFN-γ水平均比参照组高(P<0.05);重型再生障碍性贫血组血清HMGB1、IFN-γ水平均相较于轻型组明显上升,而重型再生障碍性贫血组PLT、MK均相较于轻型组下降(P<0.05);再生障碍性贫血患儿的血清HMGB1和PLT、MK均呈负相关(P<0.05);血清IFN-γ与PLT、MK均呈负相关(P<0.05);发生组血清HMGB1、IFN-γ水平相较于未发生组升高(P<0.05);血清HMGB1、IFN-γ联合预测再生障碍性贫血患儿细胞免疫障碍AUC值为0.911,比单独采用HMGB1、IFN-γ预测的AUC值高。结论:再生障碍贫血患儿血清HMGB1、IFN-γ水平异常上升,且上述指标和细胞免疫障碍之间有着密不可分的关系,可将其作为再生障碍性贫血患儿细胞免疫障碍评估的主要指标。 展开更多
关键词 高迁移率族蛋B1 干扰素-Γ 再生障碍性贫血 细胞免疫障碍 相关性
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重组鼠IFN-γ腺病毒诱发细胞因子释放综合征小鼠模型的建立和观察
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作者 杨箐 张玮光 +8 位作者 黎陈铖 刘细细 胡中晓 王风楠 陈碧清 田芳 张晓丽 热爱拉·加那提 朱学军 《中国肿瘤生物治疗杂志》 CAS CSCD 北大核心 2024年第2期128-134,共7页
目的:通过向C57Bl/6J小鼠腹腔注射IFN-γ腺病毒(Ad-mIFN-γ)建立细胞因子释放综合征(CRS)的动物模型。方法:构建Ad-mIFN-γ及对照Ad-lacZ腺病毒载体,分别以MOI=100体外转染小鼠腹腔巨噬细胞,流式细胞术检测其对细胞mIFN-γ分泌的影响。... 目的:通过向C57Bl/6J小鼠腹腔注射IFN-γ腺病毒(Ad-mIFN-γ)建立细胞因子释放综合征(CRS)的动物模型。方法:构建Ad-mIFN-γ及对照Ad-lacZ腺病毒载体,分别以MOI=100体外转染小鼠腹腔巨噬细胞,流式细胞术检测其对细胞mIFN-γ分泌的影响。将40只雌性C57Bl/6J小鼠按随机数字表法分为对照组、载体对照组、病毒低、中、高剂量组(每组8只),分别向各组小鼠腹腔注射PBS(200μL)、Ad-lacZ(2×10^(7)PFU/只)、Ad-mIFN-γ(5×10^(6)PFU/只)、Ad-mIFN-γ(1.5×10^(7)PFU/只)和Ad-mIFN-γ(2×10^(7)PFU/只)。每日观测小鼠的体质量及生存情况;第3天时采用流式细胞术检测小鼠外周血和脾内单核细胞(CD11b^(+))、巨噬细胞(CD11b^(+)/CD86^(+))比例,免疫荧光染色法检测脾内CD11b^(+)的单核细胞比例;第9天时采用流式细胞术检测小鼠血清中细胞因子的分泌水平;第14天,采用颈椎脱臼法处死小鼠,H-E染色法观察小鼠肝、脾、肺和肾的病理和组织学变化。结果:Ad-mIFN-γ体外感染小鼠腹腔巨噬细胞,在第3天检测到巨噬细胞分泌mIFN-γ达到峰值(118.34±2.90)pg/mL,并在一周内持续高分泌mIFN-γ,Ad-lacZ对照组IFN-γ分泌水平较低后,第3天时为(0.17±0.08)pg/mL。小鼠腹腔注射Ad-mIFN-γ后,在14 d内病毒低、中剂量组无小鼠死亡,病毒高剂量组小鼠体质量持续减轻(P<0.001);第3天,病毒高剂量组小鼠外周血和脾组织内单核细胞、巨噬细胞比例较对照组和中剂量组均显著增加(P<0.05或P<0.01);第9天,病毒低、中、高剂量组小鼠血清中mIFN-γ、IL-6、单核细胞趋化蛋白-1(MCP-1)、IL-1、TNF-α等细胞因子的水平均显著升高(P<0.001);10 d内病毒高剂量组小鼠死亡率达100%。组织病理检测可见病毒高剂量组小鼠的肝、脾、肺、肾组织有明显损伤。结论:Ad-mIFN-γ体外感染小鼠原代腹腔巨噬细胞后,可以快速分泌mIFN-γ;腹腔注射高剂量(2×10^(7)PFU/只)Ad-mIFN-γ导致小鼠出现CRS典型表现,可作为CAR-T细胞治疗诱发CRS的动物模型。 展开更多
关键词 Γ-干扰素 腺病毒 巨噬细胞 细胞因子释放综合征 动物模型 C57BL/6J小鼠
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