肾综合征出血热患者T细胞亚群数量与白细胞介素2,4水平变化的关系

采用ABC免疫组化染色法及单克隆抗体夹心法ELISA，同步检测了34例肾综合征出血热（HFRS）患者外周血T细胞亚群数量和血清白细胞介素2和4（IL－2、IL－4）水平。发现HFRS病程中各T细胞亚群数量均有不同程度的升高，其中CDS阳性T细胞在各病期均有升高。IL－4水平升高仅见于发热期．而IL－2的升高主要在低血压期和少尿期。病程中有CD4／CD8比值的下降甚至倒置。这种比值的变化与IL－2和IL－4的动态变化有一定的相关性。结果揭示，在HFRS发病机理中存在Thl型和Th2型免疫反应等多种免疫病理机制。     

肺结核病人红细胞免疫功能及T淋巴细胞亚群的变化

①目的探讨红细胞免疫功能及Ｔ淋巴细胞亚群变化与肺结核的关系。②方法对４４例肺结核病人和４４例健康人的红细胞免疫功能、血清循环免疫复合物、Ｔ淋巴细胞亚群、ＮＫ细胞水平的变化进行了检测，并与对照组比较。③结果肺结核病人红细胞Ｃ３ｂ受体花环率（Ｅ－Ｃ３ｂＲＲ），ＣＤ４，ＣＤ４／ＣＤ８，ＮＫ细胞水平明显降低，ＣＤ８水平明显升高，与对照组相比，差异均有极显著意义（ｔ＝９．７６～２２．２４，Ｐ均＜０．０１）；复治组较初治组变化更明显（ｔ＝４．２７～１５．３２，Ｐ均＜０．０１）。Ｅ－Ｃ３ｂＲＲ与ＣＤ４，ＣＤ４／ＣＤ８，ＮＫ细胞水平呈正相关（ｒ＝０．２６９２～０．５４７９，Ｐ＜０．０５，０．０１），与ＣＤ８呈显著负相关（ｒ＝－０．３７４，Ｐ＜０．０１）。④结论红细胞免疫功能、Ｔ淋巴细胞亚群及ＮＫ细胞的异常与肺结核的发病及病情变化有一定关系。     

高原地区小儿病毒性心肌炎T细胞亚群检测及临床意义

本文对２８例小儿病毒性心肌炎患者进行了Ｔ细胞检测，发现患儿外周血Ｔ细胞亚群有明显改变。提示：小儿病毒性心肌炎患者均有不同程度的一过性细胞免疫功能低下。而体液免疫功能正常，我们在临床给与一般治疗的同时，佐以胸腺因子治疗，明显改善症状，取得良好疗效。     

神经胶质瘤患者细胞免疫的近代实验研究

本文检测了40例脑胶质瘤患者淋巴细胞亚群、NK细胞杀伤活性、淋巴细胞增殖率以及免疫抑制活性的变化,与正常对照组(40例)相比较,该四项免疫学指标均有显著性差异(均P<0.001),并阐述了患者细胞免疫功能低下可能与患者血清免疫抑制因子有关。     

Effects of recombinant leukocyte interferon on serum immunoglobulin concentrations and lymphocyte subpopulations in chronic hepatitis B

To investigate immune effects of interferon (IFN) therapy in hepatitis B e antigen (HBeAg)-positive chronic hepatitis B, serum immunoglobulin concentrations and peripheral lymphocyte subpopulations were sequentially studied before, during, and after therapy in nine patients who were treated with recombinant human -IFN in doses ranging from 3 to 10 million units per day for 28 days. Serum immunoglobulin A levels decreased significantly, from 414±23 mg/dl (mean ± SE) to 379±28 mg/dl (P<0.05), after the first week of therapy and to a bottom value of 323±20 mg/dl (P<0.001) at the fourth week. Immunoglobulin G levels decreased significantly, from 2603±175 to 2328±169 mg/dl (P<0.005), after the first week of therapy and to a bottom value of 2005±199 mg/dl (P<0.001) at the fourth week. Immunoglobulin M levels were also reduced significantly after 3 weeks of therapy (from 229±23 to 188±15 mg/dl;P<0.01). These reductions in immunoglobulins A, G, and M returned to pretreatment levels by 4 months after the end of the therapy. In lymphocyte subpopulations, significant depressions were found in CD3-, CD4-, CD8-, and B1-positive cells in peripheral blood after the first week of therapy (CD3, from 1700±114 to 1234±114/mm³,P<0.005; CD4, from 1036±88 to 780±64/mm³,P<0.005; CD8, from 620±57 to 426±60/mm³,P<0.05; and B1, from 519±84 to 276±48/mm³,P<0.01) followed during therapy, while Leul la-positive cells did not change significantly. During the 6-month follow-up period, three patients had a sustained clinical remission in which HBeAg disappeared from serum. Disappearance of HBeAg was unassociated with initial levels or percentage changes of serum immunoglobulins and peripheral lymphocytes expressing each of the test markers in these patients. These findings suggest that immune effects of IFN therapy are independent from its antiviral effects.     

放射治疗对乳腺癌患者外周血免疫系统相关指标的影响

目的:研究分析放射治疗对乳腺癌患者免疫系统相关指标的影响。方法:选取在医院就诊的6例病理诊断为乳腺癌Ⅱ~Ⅲ期患者,将所有患者放射治疗前(0 Gy)静脉血样本定义为对照组、放射治疗20 Gy和50 Gy照射后静脉血样本分别定义为20 Gy组和50 Gy组,于放射治疗10次后、25次后采集不同放射治疗累积剂量24 h后静脉血8 ml;采用流式细胞术检测所有受检者不同剂量放射治疗后外周血淋巴细胞亚群百分数、外周血淋巴细胞凋亡及细胞周期的改变;实时荧光定量聚合酶链反应(q RT-PCR)法检测外周血淋巴细胞微小核糖核酸(miRNA)的改变。结果:乳腺癌患者20 Gy组和50 Gy组照射后与对照组比较,淋巴细胞亚群CD3⁺、CD4⁺/CD8-和CD4⁺/CD8⁺表达水平均呈下调趋势,CD4^-/CD8⁺呈上升趋势,但差异均无统计学意义;20 Gy组T细胞抗原受体(TCR)/CD3明显下调,与对照组比较差异有统计学意义(Z=-2.008,P<0.05),50 Gy组TCR/CD3有所回升,但差异无统计学意义。不同剂量的两组照射后乳腺癌患者mi RNA-150、mi RNA-210表达水平随剂量增加呈降低趋势,50 Gy组表达水平明显降低,与对照组相比差异有统计学意义(Z=-2.242,Z=-2.402;P<0.05)。结论:放射治疗未引起乳腺癌患者明显的免疫功能抑制,可能是通过改变mi RNA-150、mi RNA-210的通路而抑制肿瘤的生长。     

流式细胞仪检测尖锐湿疣患者的T细胞亚群及NK细胞

目的 研究尖锐湿疣患者的细胞免疫功能。方法 用流式细胞仪检测了３０例尖锐湿疣患者外周血Ｔ细胞亚群及ＮＫ细胞百分率。结果 尖锐湿疣患者ＣＤ４细胞百分率下降,ＣＤ８细胞百分率增高,ＮＫ细胞数降低,与对照组相比差异均有显著性。结论 尖锐湿疣患者存在细胞免疫功能缺陷。     

The third inactivated vaccine booster dramatically enhanced SARS-CoV-2 antibody responses and did not influence the profile of prothrombotic antibody

The purpose of this study is to investigate the production of both severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2)-specific antibodies and autoantibodies in serum following the third booster vaccination of the inactivated COVID-19 vaccine, and to study the effect of B cell subsets with CD27 and CD38 phenotypes in peripheral blood on antibody production. Routine blood indexes, SARS-CoV-2 antibodies, platelet factor 4 and seven antiphospholipid antibodies were detected both before and 2 months after vaccination in the medical staff of the Zhongnan Hospital of Wuhan University. Peripheral blood B cell subtypes were detected before vaccination. Following immunization, the positive rate of anti-N-S1 immunoglobulin (IgG) had increased from 24.8% to 91.3% and the average antibody concentration had increased by 11 times. The positive rate of neutralizing antibody had increased from 24.8% to 91.3%, the average antibody concentration had increased by 12 times, and the primary increased anti-S1 IgG subtype was that of IgG1. Peripheral blood CD27 + CD38+ B cells were positively correlated with antibody levels after vaccination and were a predictor of the antibody response. In addition, although some indicators showed slight absolute changes, the blood parameters and antiphospholipid antibodies of most volunteers were normal both before and after COVID-19 inactivated vaccine inoculation, and there was no statistical difference in abnormal rates either before or after inoculation. Antibodies in vivo were increased after vaccination with the inactivated vaccine, and IgG1 was the main subtype involved in response to the vaccine. Vaccination with the inactivated COVID-19 vaccine did not appear to affect thrombus-related autoantibodies.     

尖锐湿疣患者的细胞免疫功能研究

目的探讨尖锐湿疣患者细胞免疫功能状态,并为其免疫治疗提供实验依据。方法采用流式细胞仪检测外周血T细胞亚群和NK细胞百分比、MTT法检测淋巴细胞的增殖能力、ELISA法检测血清中细胞因子。结果CA患者外周血中CD3+、CD4+、CD4+/CD8+和CD56+细胞(NK细胞)的比例均明显低于对照组(均P<0.01);CA组血清中IL-12和IFN-γ产生水平均明显低于对照组(均P<0.01);而IL-10产生水平高于对照组(P<0.01);CA患者的PBMC对PHA四种诱导浓度的增殖能力均明显低于对照组(均P<0.01);CA患者的RBC-C3bRR的百分率明显低于对照组(P<0.01),而RBC-ICR百分率明显高于对照组(P<0.01)。结论CA患者存在细胞免疫功能缺陷,临床治疗过程中须提高CA患者的细胞免疫功能。     

介入栓塞治疗对Graves病T淋巴细胞亚群的影响

目的：观察介入栓塞治疗对Graves病T淋巴细胞亚群的影响。方法：24例难治性Graves病，选择性行双侧甲状腺上、下动脉插管，并注入聚乙烯醇或(和)明胶海棉栓塞治疗，观察栓塞后3月T淋巴细胞亚群变化。结果：Graves病患者治疗前CD3^ ，CD4^ 与正常组比较差异无显著性(P＞0．05)；CD8^ 下降、CD4^ ／CD8^ 比值升高与正常组比较差异有显著性(P＜0．05)；介入栓塞治疗后CD3^ 升高、CD^ 下降，CD8^ 升高，CD4^ ／CD8^ 下降与治疗前比较差异有显著性(P＜0．05)。结论：介入栓塞治疗可引起Graves病患者T淋巴细胞亚群变化，纠正甲亢免疫调节紊乱，有利于甲亢的治愈。