乙肝五项定量检测的应用体会

目的 探讨乙肝五项定量检测在临床中的应用效果.方法 对150例临床标本进行ELISA、IRMA、SPPIA法进行检测,并行血清HBV-DNA荧光检测.结果 用IRMA、SPPIA定量法检测在HBSAg浓度为0.5ng/ml时即能检出,还可动态监测各项指标浓度.而用ELISA定性法,在HBSAg浓度为2ng/ml时方能检出,易出现假阴性,且只提供阳性或阴性指标.讨论用IRMA、SPPIA定量法检测HBSAg,其灵敏度高,与HBV-DNA可互补,为临床提供治疗依据及判断预后.     

ELISA法检测可溶性人类白细胞抗原—I及广东人参考值的测定

OBJECTIVE: To explore a method for quantitative detection of soluble human leukocyte antigen class I(HLA-I) antigens, with the assistance of which we attempt to define the reference value of the antigen in the population of Guangdong Province. METHODS: Sandwich enzyme-linked immunosorbent assay (ELISA) was employed with W6/32 monoclonal antibody serving as the solid phase antibody and beta2 microglobulin antibody as the first antibody. HRP-labeled second antibody and the substrate were added for enzyme-catalyzed coloring. On the basis of the standard curve obtained by sHLA-I standard reagent in serial dilution, the concentration of sHLA-I antigens in the samples of 60 normal subjects from the population of Guangdong province was detected. RESULTS: The sensitivity of this assay was 2.84 ng/ml with variation coefficients of 5.80% within the same batch and 9.00% between batches. The recovery rate ranged from 98.57% to 100.15%. The level of sHLA-I antigens in normal individuals was 699.54+/-360.10 ng/ml. CONCLUSION: Sandwich ELISA is sensitive, specific and stable in the detection of sHLA-I.     

老年脑梗死患者急性期血小板活化功能定量检测

目的 :探讨老年脑梗死患者外周血中血小板膜糖蛋白变化的临床意义。　方法 :应用流式细胞术检测了 6 8例急性期老年脑梗死患者外周血血小板活化分子标记物CD4 1、CD6 2p和CD6 3的含量水平 ,与 4 2例正常老年人对照 ;并对脑梗死组病灶大小、梗死部位、病情分级等与血小板活化分子表达的变化进行分析 ,应用统计学进行处理。　结果 :急性期脑梗死患者血小板粘附分子CD4 1、CD6 2 p和CD6 3的表达水平显著高于正常对照组 (P <0 .0 1) ,且与梗死灶大小及病情分级密切相关 ,与梗死部位无关。　结论 :老年脑梗死患者急性期外周血血小板活化功能明显增强 ,为早期应用抗血小板聚集药物的治疗提供了实验依据     

川芎嗪的药动-药效学研究近况

川芎嗪是一种活性生物碱，其在体内代谢迅速，排泄较快，临床应用广泛，综述了近几年的药效学及药动学研究成果，并提出存在问题和未来研究的前景。     

慢性乙型肝炎45例HBV基本核心启动子变异及HBV-DNA定量检测

采用聚合酶链反应－酶联免疫吸附法检测45例慢性乙型肝炎乙肝病毒基本核心启动子（HBV－Bcp）变异及HBV－DNA定量，结果HBV－Bcp变异阴性组HBV－DNA定量值明显低于HBV－Bcp变异阳性组（P＜0．05），提示HBV－Bcp变异可促进乙肝病毒繁殖，对慢性乙型肝炎患者检测HBV－Bcp变异有一定的临床意义。     

氢化小檗碱镇痛和消炎作用的研究

目的：研究氢化小檗碱的镇痛和抗炎作用。方法：用热板法和扭体法观察该药的镇痛作用；用二甲苯使小鼠致炎观察该药的抗炎作用。结果：氢化小檗碱不同剂量灌胃给药对小鼠热致痛和醋酸致痛具有 明显的镇痛作用，并呈现一定的量效关系；对二甲苯所致炎性水肿也有显著的抑制作用。结论：氢化小檗碱具有较好的镇痛抗炎作用。