超声随访检查对肝泡型包虫病药物治疗效果的评价

目的 分析57例肝泡球蚴病患者阿苯达唑治疗1年后的超声检查结果,评价阿苯达唑治疗效果。方法 对血清学检查（ELISA）阳性和经B型超声检查确诊的57例肝泡球蚴病患者给予阿苯达唑治疗1年后同法复查,根据疗后B超声像变化评价治疗效果。结果 57例患者使用阿苯达唑治疗1年后B超检查9例钙化痊愈,35例部分钙化好转,8例退化稳定,5例扩大恶化。结论 阿苯达唑治疗泡球蚴病有效,B型超声检查可用于阿苯达唑等药物治疗后的效果评价。     

阿苯达唑治疗泡球蚴病患者血清中Th1/Th2型细胞因子的变化及临床意义

目的　为探讨泡球蚴病患者经阿苯达唑治疗后 ,机体免疫应答的状态和对病程转归影响。方法　 35例泡球蚴病患者经阿苯达唑治疗 1 2月前后 ,血清中sIL - 2R ,IFN -γ ,IL - 4IL - 5 ,IL - 6 ,TNFα,及特异性IgG ,IgE抗体进行检测。 结果　在治疗 1 2月后 ,Th1型细胞因子sIL - 2R ,IFN -γ无改变 (P >0 0 5) ,Th2型细胞因子IL - 4显著性下降 (P <0 0 1 ) ,IL - 5在患者中检出率明显降低 (P <0 0 1 ) ,TNFα和IgE水平较治疗前显著性下降 (P <0 0 1 )。 结论　泡球蚴病患者治疗后 ,Th2型细胞因子反应减弱 ,机体的保护性免疫应答有所恢复     

肝泡型棘球蚴病非手术治疗的疗效评价

目的探讨非手术治疗的晚期肝泡型棘球蚴病患者的治疗方法。方法对中国人民解放军第四医院2006-2009年收治的25例无法根治性切除的肝泡型棘球蚴病患者进行回顾性调查分析,了解其治疗方法和疗效。结果 25例肝泡型棘球蚴病患者中,男性18例,女性7例,平均年龄为41岁。其中单纯药物治疗[持续服用阿苯达唑15～20 mg/(kg.d)]12例,药物结合穿刺治疗11例,药物结合介入治疗2例。阿苯达唑治疗2周为一疗程,一般持续3个疗程。治疗后1～4年共有18人获随访。其中单纯药物治疗组有效2例,改善7例;药物结合穿刺治疗组有效2例,改善5例;药物结合介入治疗组2例均无效。结论持续服用阿苯达唑可作为非手术治疗肝泡型棘球蚴病患者的主要治疗方法。     

泡状棘球蚴病宿主淋巴细胞的变化及意义

目的　为探讨泡状棘球蚴病宿主体内淋巴细胞在免疫调节和发病中的作用。方法　对泡球蚴感染BALB/c小鼠观察至 2 5周 ,在不同时间取脾制备细胞悬液 ,检测CD+ 4 ,CD+ 8细胞数量。对 2 5例泡球蚴病患者和 18例健康人群 ,用FCM分析了CD+ 3 ,CD+ 4 ,CD+ 8,CD+ 19,CD+ 3 8,CD+ 56和HLA -DR+ 细胞的变化。结果　泡球蚴感染BALB/c小鼠后 ,1～ 8周以CD+ 4 细胞为主 ,随后CD+ 4 细胞减少 ,CD+ 8细胞增加 ,2 0周后改变显著 (P <0 0 5 ) ,CD+ 4 /CD+ 8比值迅速倒置。泡状棘球蚴病患者CD+ 3细胞未发生改变 ,CD+ 4 细胞较正常对照组下降 (P <0 0 5 ) ,CD+ 8细胞上升 (P <0 0 5 ) ,使CD+ 4 /CD+ 8比值降低 (P <0 0 5 )。CD+ 56细胞较正常对照组显著性降低 (P <0 0 1) ,CD+ 19,CD+ 3 8和HLA -DR+ 细胞未发生改变 (P >0 0 5 )。结论　泡球蚴感染小鼠前 8周 ,以CD+ 4 细胞反应为主 ,具有保护性免疫。感染后期逐渐以CD+ 8细胞为主 ,使机体呈免疫抑制状态 ,有利于泡球蚴生存。泡状棘球蚴病患者机体呈免疫抑制状态 ,有利于泡状棘球蚴在体内的生长     

汉防己甲素和阿苯达唑治疗小鼠继发性泡球蚴病的疗效观察

目的　通过中药单体汉防己甲素和阿苯达唑单独及联合用药对小鼠继发性泡球蚴病的疗效观察 ,以探讨中西药物结合治疗泡球蚴病的新途径。方法　通过体外培养原头节检测汉防己甲素杀灭原头节的效力 ;同时对小鼠继发性泡球蚴病进行药物治疗 90d后 ,检测各小鼠泡球蚴湿重、抑囊率 ;并对泡球蚴组织进行病理组织学和超微结构观察及病理分级。结果　汉防己甲素在体外能有效地杀灭原头节 ;汉防己甲素和阿苯达唑单独及联合用药均对小鼠泡球蚴有明显抑制作用 (抑制率分别为 4 4 5 5 %、6 3 39%和 80 82 % ) ,其中联合用药组明显优于单独用药组 (P <0 0 5 )。结论　汉防己甲素对小鼠泡球蚴的生长有一定的抑制作用 ,尤其联合阿苯达唑治疗效果较好 ,说明两种药物具有协同治疗作用。     

3种药物体外抗细粒棘球蚴原头节作用的比较

目的　通过比较氧苯达唑、阿苯达唑和阿苯达唑脂质体体外抗细粒棘球蚴原头节作用 ,探讨氧苯达唑抗包虫病的作用。　方法　将氧苯达唑、阿苯达唑和阿苯达唑脂质体分别配成高、中、低浓度加入 RPMI16 4 0培养基中 ,体外培养细粒棘球蚴原头节 ,观察其每天的死亡率 ,直到对照组的头节全部死亡为止。　结果　将相同条件下 3种药物作用原头节的死亡率分别与对照组相比 ,阿苯达唑、氧苯达唑高、中、低浓度组与对照组相比 ,差异均有统计学意义 (P<0 .0 5 ) ;而阿苯达唑脂质体仅在高浓度时与对照组的差别有统计学意义 (P<0 .0 5 )。　结论　氧苯达唑、阿苯达唑和阿苯达唑脂质体均有显著的体外抗细粒棘球蚴原头节作用 ;氧苯达唑体外抗细粒棘球蚴原头节作用与阿苯达唑相当 ,可认为是一种新型抗包虫药 ;阿苯达唑脂质体剂型并未显示出特殊的体外抗原头节作用。     

川芎嗪和阿苯达唑联合治疗小鼠继发性泡球蚴病的疗效观察

目的通过观察中药川芎嗪和阿苯达唑单用及联合使用对小鼠继发性泡球蚴病的疗效,探讨中西药结合治疗泡球蚴病的新途径。方法应用川芎嗪和阿苯达唑对小鼠继发性泡球蚴病治疗60d后,检测小鼠泡球蚴湿重、脾脏指数、抑囊率、血清TNF-α和SOD含量以及肝组织匀浆中NO和NOS的含量,并对泡球蚴组织进行病理组织学和超微结构观察。结果川芎嗪和阿苯达唑单用及联合使用对小鼠泡球蚴的抑制率分别为66.71%、85.59%和95.44%,差异有统计学意义(χ2=28.520,P<0.05);脾脏指数、血清TNF-α含量、肝脏NO、NOS含量与模型组比较差异有统计学意义(F=8.614,P<0.05);血清SOD含量川芎嗪组和川芎嗪 阿苯达唑组与模型对照组比较差异有统计学意义(F=7.359,P<0.05)。结论1)川芎嗪和阿苯达唑对小鼠泡球蚴的生长均有明显抑制作用;2种药物联合使用具有协同治疗效果;2)川芎嗪能显著改善阿苯达唑对小鼠肝功能的损伤。     

阿苯达唑脂质体对小鼠细粒棘球蚴囊超微结构的影响

目的:探讨阿苯达唑脂质体(liposom alalbendazole,L-ABZ)及其联合西咪替丁(cim etidine,CTD)治疗小鼠细粒棘球蚴病的病理形态变化。方法:将阿苯达唑脂质体及西咪替丁(1.5% 乳液阿苯达唑200 m g/kg,西咪替丁100 m g/kg),经口灌喂感染小鼠3个月后,用光镜和电镜观察小鼠肝、腹细粒棘球蚴囊结构的病理改变。结果:以阿苯达唑脂质体联合西咪替丁治疗组细粒棘球蚴囊组织变性坏死改变最为显著,与对照组有显著性差异(P< 0.01)。结论:脂质体包封阿苯达唑,可提高阿苯达唑的抗细粒棘球蚴作用,西咪替丁具有明显的协同作用     

汉防己甲素联合阿苯达唑抑制小鼠棘球蚴生长作用及其机制的研究

为研究中药汉防己甲素单独及联合阿苯达唑用药对小鼠继发性细粒棘球蚴的抑制作用 ,探讨其作用的机制及寻找药物治疗细粒棘球蚴病的新途径。将动物体内实验分成 5组 :阿苯达唑组、汉防己甲素组、汉防己甲素 +阿苯达唑组、对照组和空白组。对小鼠继发性细粒棘球蚴病药物治疗 90d后 ,检测各组小鼠棘球蚴囊湿重、血清IL 2 ,IL 4,IL 12和IgE的含量 ;实验结果显示汉防己甲素单独及联合阿苯达唑均有明显的抑制小鼠棘球蚴生长的作用 (抑囊率分别为 47. 96% ,64 . 86%和 83 . 14 % ) ,其中联合用药明显优于单独用药 (P <0 . 0 5 )。各治疗组中小鼠血清IL 2 ,IL 4,IL 12 ,IgE含量与对照组比较有显著性差异 (P <0 . 0 5 )。因此 ,汉防己甲素和阿苯达唑对小鼠棘球蚴生长均有一定的抑制作用 ,与阿苯达唑联合治疗效果更佳 ,这可能与汉防己甲素可逆转阿苯达唑的抗药性及提高小鼠机体的免疫力有关。联合用药是提高阿苯达唑驱虫效果的有效途径之一。     

多种药物对体外培养泡球蚴作用的观察

目的观察6种药物单独或联合用药对体外培养泡球蚴的作用。方法泡球蚴体外培养5周后,收集囊泡,随机分为17组,每组约120~140个囊泡,分别加入不同药物进行培养,①单独用药组:阿苯达唑组(1μg/ml、10μg/ml)、伊曲康唑组(0.7 mg/ml)、伊维菌素组(1.75 mg/ml)、米替福新组(0.5μg/ml、2.5μg/ml和7.5μg/ml)、硝唑尼特组(0.1μg/ml、1μg/ml和10μg/ml)、利福平组(10μg/ml);②联合用药组:硝唑尼特联合阿苯达唑10μg/ml+10μg/ml组、10μg/ml+1μg/ml组、1μg/ml+10μg/ml组和1μg/ml+1μg/ml组;③对照组:二甲基亚砜组(2μl/ml)和空白对照组。培养6周,观察囊泡塌陷情况,对囊泡进行计数,并绘制囊泡曲线。6周后停药,联合用药组连续观察3周、3个月和6个月,观察泡球蚴囊泡生长情况。将各药物组体外培养的泡球蚴接种于雌性BALB/c小鼠,饲养8周后处死并剖检观察小鼠腹腔内有无泡球蚴生长并称重,测试泡球蚴活力。结果伊维菌素、米替福新和利福平对泡球蚴无抑制或杀灭作用。阿苯达唑、伊曲康唑、硝唑尼特,及硝唑尼特与阿苯...     

Circulating activated T cell subsets in autoimmune thyroid diseases: differences between untreated and treated patients.

To investigate the relationships between lymphocyte subsets and thyroid function, peripheral blood lymphocytes were analysed with cell surface antigens of activated (HLA-DR+) T, helper T (CD4+ 2H4-, CD4+ 4B4+) and suppressor-inducer T (CD4+ 2H4+, CD4+ 4B4-) cells subsets in 56 patients with Graves' disease, 16 patients with Hashimoto's thyroiditis, 7 patients with typical subacute thyroiditis and 2 patients with the thyrotoxic phase of autoimmune thyroiditis. Both patients with Graves' disease and Hashimoto's thyroiditis had increased percentages of HLA-DR+ T (Ia+ CD3+) cells as well as HLA-DR+ helper-inducer T (Ia+ CD4+) cells, which seemed to be independent of treatments. The percentage of HLA-DR+ suppressor-cytotoxic T (Ia+ CD8+) cells was increased in euthyroid or hypothyroid patients with Graves' disease following treatment, but was normal in hyperthyroid patients. The percentages of Ia+ CD4+ cells and Ia+ CD8+ were also increased in patients with thyroiditis, whereas these abnormal values normalized in the remission phase. These findings suggest that an increase in Ia+ CD4+ cells characteristically occurs during immune system activation in patients with hyperthyroid Graves' disease, Hashimoto's thyroiditis and the thyrotoxic phase of subacute thyroiditis, whereas the activated CD8+ cells in Graves' disease are induced by antithyroidal therapy.     

脾栓塞对肝硬化患者外周血T淋巴细胞亚群的影响

目的 :研究部分脾栓塞治疗脾功能亢进对肝硬化患者T淋巴细胞亚群的影响。方法 :57例肝硬化并脾功能亢进患者 ,32例采用部分脾栓塞治疗 ,2 5例采用脾全切治疗 ,1 5例正常人作为对照 ,比较两组治疗前后外周血T淋巴细胞亚群的变化。结果 :肝硬化患者外周血T淋巴细胞 (CD3+ )、T辅助 /诱导淋巴细胞亚群 (CD4+ )、T辅助淋巴细胞 /T抑制淋巴细胞亚群 (CD4+ /CD8+ )明显低于正常人 (P <0 .0 1 ) ;脾栓塞组治疗前后CD3+ 、CD4+ 、CD8+ 、CD4+ /CD8+ 无明显差异 (P >0 .0 5) ;脾全切组治疗后CD3+ 、CD4+ 、CD4+ /CD8+ 均较治疗前及部分脾栓塞组治疗后明显降低 (P <0 .0 1 )。结论 :肝硬化患者外周血CD3+ 、CD4+ 、CD4+ /CD8+ 降低 ,部分脾栓塞治疗脾功能亢进 ,对肝硬化患者外周血T淋巴细胞亚群无明显影响 ,显著优于脾全切治疗     

大强度运动对大鼠脾脏淋巴细胞、巨噬细胞、T淋巴细胞亚群的影响

目的探讨大强度运动对大鼠脾脏淋巴细胞、巨噬细胞、T淋巴细胞亚的影响。方法40只SD大鼠按体重随机分为安静组(A组,n=10)、运动组(B组,n=30),在最后一次力竭运动后,将B组大鼠分为运动后即刻组(B 1组,n=10)、运动后12 h组(B 2组,n=10),运动后24 h组(B 3组,n=10)。A组不运动,B组大鼠进行为期9 w的大强度训练,末次训练后,A组、B 1组摘取脾脏,制作脾细胞悬液,噻唑蓝(MTT)法分别测T淋巴细胞增殖能力、B淋巴细胞增殖能力,流式细胞仪测CD4^+、CD8^+细胞数。中性红比色法测巨噬细胞吞噬能力。B 2组、B 3组分别在运动后12 h、运动后24 h按上述方法测试。结果与A组相比,B 1组T淋巴细胞增殖、B淋巴细胞增殖、CD4^+、CD8^+、CD4^+/CD8^+、巨噬细胞吞噬能力显著降低,B 2组T淋巴细胞增殖、B淋巴细胞增殖、CD4^+、CD4^+/CD8^+显著降低,巨噬细胞吞噬能力差异无统计学意义,B 3组T淋巴细胞、B淋巴细胞增殖能力、CD4^+、CD8^+、CD4^+/CD8^+、巨噬细胞吞噬能力差异无统计学意义;与B 1相比,B 2组、B 3组T淋巴细胞增殖、B淋巴细胞增殖、CD4^+、CD8^+、CD4^+/CD8^+、巨噬细胞吞噬能力显著升高;与B 2相比,B 3组T淋巴细胞增殖、B淋巴细胞增殖、CD4^+均显著升高,CD8^+、CD4^+/CD8^+、巨噬细胞吞噬能力无显著差异。结论大强度运动后,大鼠脾脏、B淋巴细胞、T淋巴增殖能力降低、巨噬细胞吞噬能力降低、CD3^+、CD4^+、CD8^+、CD4^+/CD8^+降低,恢复期间逐步上升,其中CD8^+、CD4^+/CD8^+、巨噬细胞吞噬能力在恢复期12 h基本达到正常状态,T淋巴细胞增殖能力、B淋巴细胞增殖能力、CD4^+在恢复期24 h达到正常状态。     

A low blood lymphocyte count is associated with an expansion of activated cytotoxic lymphocytes in patients with B-cell chronic lymphocytic leukaemia

Abstract: In order to determine the relationships between CD2+ lymphocyte subpopulations and tumour mass, the immunophenotype of natural killer (NK) cells and T lymphocyte subsets was studied in 56 B-chronic lymphocytic leukaemia (B-CLL) patients and 38 healthy subjects. The patients were classified according to their blood lymphocyte count (BLC). Forty patients had BLC<30×10⁹/l (low BLC, less tumour mass) and 16 patients had BLC>30×10⁹/l (high BLC, larger tumour mass). The percentage of CD3^– CD56+ cells, as well as of CD8+, CD8+CD45RO+ and CD3+CD57+ T subsets in low BLC patients, were higher than those found in high BLC patients. Conversely, the percentages of CD3+HLA DR+, CD4+ and CD4+CD45RO+ lymphocytes were higher in high BLC patients than in low BLC patients. The CD4/CD8 ratio was decreased in low BLC patients while it was increased in high BLC patients and a significant positive correlation was found between their CD4/CD8 ratio and their BLC. We conclude that in low BLC B-CLL patients there is a decreased percentage of activated helper lymphocytes and an increased percentage of NK cells and activated cytotoxic T lymphocytes. These results suggest a role for NK cells, and helper and cytotoxic T lymphocytes in the control of tumour burden in B-CLL patients.     

A comparison of the expression of lymphocyte activation markers in blood, bronchial biopsies and bronchoalveolar lavage: evidence for an enrichment of activated T lymphocytes in the bronchoalveolar space.

In this study healthy never-smoking subjects (n = 18) were recruited from a population study. Bronchoalveolar lavage (BAL), blood lymphocytes and bronchial biopsies, analysed both in the epithelium and lamina propria, were stained for T and B lymphocytes, natural killer (NK) cells and different subpopulations of T lymphocytes. In BAL, significantly higher proportions of T lymphocytes (CD3), T lymphocyte activation markers; HLA-DR, CD26+, CD49a+, CD54+ and CD69+, helper T (CD3+4+) and memory helper T lymphocytes (CD4+45RO+29+) and memory T lymphocytes (CD3+45RO+) were found, compared to blood. However, the proportion of IL-2 receptor-positive T lymphocytes (CD25+) was lower in BAL than in blood. A previously described higher ratio of CD3+4+/CD3+8+ in BAL than in blood (3.4 vs 1.7; P = 0.001) was confirmed. In bronchial biopsies, we found significantly higher numbers of CD8+ cell profiles per mm2 in the epithelial compared to the lamina propria compartment. We conclude that healthy never-smoking men have higher levels of activated memory T lymphocytes in BAL than in blood, and that the T-cell subpopulations differ in the epithelial compared to the lamina propria compartment in the bronchial mucosa and these compartments should be analysed separately. It is reasonable to think that there is a gradient from blood to the airway lumen where T cells are recruited from blood to take part in the defense towards damaging agents.     

Peripheral blood lymphocyte changes after benign gastrointestinal surgery. Role of thymostimulin in reversing the postoperative immunodepression seen in humans

A generalized state of immunosuppression during surgery has been implicated in the development of septic complications postoperatively. We studied 18 patients operated upon for benign diseases, to examine the influence of surgical trauma on circulating lymphocyte subpopulations in man. Additionally, we evaluated the effect of thymostimulin on these changes, in another group of 10 patients. Our results suggest that the total number of lymphocytes, as well as lymphocyte subpopulations CD3+ and CD4+, fell significantly following surgery. This reduction in cell number is more pronounced on the helper/inducer lymphocytes. The CD4+/CD8+ ratio decreases significantly after operation. For patients with no complications, the immunosuppression in terms of peripheral lymphocyte population, seen in the postoperative period is usually reversible around the seventh day. On the other hand, peripheral blood lymphocyte changes in the postoperative period were less pronounced in patients treated with thymostimulin. Thymostimulin's action is predominantly on T lymphocytes, and within these, on the T helper/-inducer subpopulation. And finally, thymostimulin is capable of maintaining a normal relationship between helper/inducer and suppressor/cytotoxic cells (CD4+/CD8+ ratio) during the postoperative period, suggesting a better immune state.     

Lymphocyte subpopulations and immunoglobulin levels in Hodgkin's disease survivors

We investigated the frequency of lymphocyte populations (CD3+ /T lymphocytes/, CD4+ /helpers/, CD8+ /suppressor and cytotoxic/, CD3- CD16+ /NK cells/, CD3+ HLA-DR+ /activated T lymphocytes/, and CD20+ /B lymphocytes/) and immunoglobulin G, A, M, and E levels in a group of two hundred twenty nine Hodgkińs disease long term survivors. The most frequent pathological findings were increased IgE levels, decreased CD3+ and CD4+ proportions, an increased CD20+ proportion and especially a low CD4/CD8 proportion. Decreased CD3+ and CD4+ and increased CD20+ proportions were more frequently found in the group with recurrent infections. IgM and IgA levels were positively correlated with plasmatic cholesterol and triacylglycerols levels. We suppose that immunological defects (increase of IgE levels, decreased T and helper lymphocytes) in Hodgkińs disease survivors are inherent and are not related to atopy. Examination of lymphocyte subpopulations may be helpful in the prediction of an increased risk of recurrent infections.     

结核病小鼠T淋巴细胞亚群及其表达的四项细胞因子分析

目的 探讨T淋巴细胞(简称T细胞)表达穿孔素(PFN)、颗粒酶B(GzmB)、γ-干扰素(IFN-γ)、白细胞介素-2(IL-2)与结核免疫的关系.方法 60只MK小鼠按随机数字表法分成结核病组和健康对照组,每组30只.以CD3PerCP、CD4FTTC、CD8APC单抗标记T细胞亚群,以藻红蛋白标记PFN、GzmB、IFN-γ、IL-2单抗标记细胞因子,以流式细胞仪检测分析总的淋巴细胞、CD3+、CD4+、CD8+、CD4+CD8+;双阳(DP)T细胞计数和各亚群占淋巴细胞百分率,观察各T细胞亚群内表达PFN、GzmB、IFN-γ、IL-2的阳性细胞计数和各自占淋巴细胞百分率.采用t检验进行统计学分析.结果 (1)CD4+CD8+、DP T细胞均能不同程度地表达PFN、GzmB、IFN-γ、IL-2.PFN、GzmB的表达以CD8+T细胞占优势.IFN-γ、IL-2的表达以CD4+T细胞占优势.(2)T细胞亚群细胞计数结果与T细胞亚群占总淋巴细胞百分率结果,所反映的T细胞免疫变化趋势可能相似,也可能不同甚至相反.(3)两组间表达PFN的T细胞差别不明显,但结核病组表达GzmB的各个T细胞亚群计数和CD3+%、CD8+%、DP%高于对照组(t值为-3.72～4.13.均P<0.05).(4)结核病组表达IFN-γ的CD3+、CD4+T细胞计数高于对照组;但结核病组表达IL-2的CD8+、DP T细胞计数和CD3+%、CD4+%、CD8+%、DP%均低于对照组(t值为2.62～3.46,均P<0.05).结论 、CD,4+、CD8+、DPT细胞均能不同程度地表达PFN、GzmB、IFN-γ、IL-2;联合评价T细胞各亚群计数和其占淋巴细胞百分率更能判断免疫学状态.     

Lymphocyte subpopulations in peripheral blood in primary sclerosing cholangitis

BACKGROUND/AIMS: Primary sclerosing cholangitis (PSC) is a chronic disease of autoimmunological etiology, leading to inflammation, destruction and atrophy of the bile ducts. The aim of the study was to determine peripheral lymphocyte B, T, and NK cells in PSC. METHODOLOGY: The estimation of peripheral blood lymphocytes in 17 patients (54+/-12 years old) with PSC was carried out; the control group consisted of 27 subjects (38+/-11 years). The following T lymphocyte subpopulations were determined using duo color flow cytometry: CD3+, CD4+, CD8+, CD3++HLA DR+, B cells CD19+, and NK cells CD16+ +CD56+. RESULTS: In PSC we observed doubled increase in activated T lymphocytes of CD3+ +HLA DR+ phenotype as compared to healthy subjects (7.9% vs. 2.7%, p<0.01) and NK cells (12.6% vs. 10.3%, respectively, p<0.05). There were no significant differences in the composition of CD3+, CD4+, and CD8+. In peripheral blood we noted, in patients with PSC, a decrease in B lymphocytes (11.2% vs. 12.3%, p<0.19). CONCLUSIONS: The examinations showed that activated T (HLA DR+) lymphocytes and NK cells played an important role in development of PSC.     

HIV感染者/AIDS患者外周血CD38 HLA-DR分子在CD4+ CD8+T淋巴细胞上的表达

目的　观察国内艾滋病病毒 (HIV)感染者 /艾滋病 (AIDS)患者外周血CD38、HLA DR分子在CD+4 、CD+8T淋巴细胞上表达的变化 ,并探讨这些变化的临床意义。方法　用流式细胞仪检测 5 1例正常对照、14例HIV感染者和 3 6例AIDS患者的外周血CD+4 、CD+8T淋巴细胞表面的CD38、HLA DR分子的表达 ,用分枝DNA(bDNA)法检测 11例HIV感染者和 18例AIDS患者的血浆病毒载量。结果　CD+4 HLA DR+细胞百分比显示 ,AIDS组显著高于正常组及HIV组 ;CD+8HLA DR+T细胞百分比显示HIV组与AIDS组间无差异 ,而它们均显著高于正常组。CD+8、CD38+细胞百分比则是AIDS组 >HIV组 >正常组 ,CD+8CD38+、CD+8HLA DR+、CD+4 HLA DR+细胞百分比与病毒载量显著正相关。结论　在HIV感染过程中 ,HLA -DR+、CD38+在CD+4 、CD+8T淋巴细胞上的表达均显著增加 ,反映T淋巴细胞异常激活 ;尤其是CD+8CD38+细胞百分比随着疾病进展逐渐升高 ,预示疾病进展程度。在评价HIV感染者和AIDS患者的免疫状况时 ,不仅要考虑免疫细胞数量和功能的变化 ,还应考虑免疫细胞的激活水平