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妊娠高血压综合征(简称妊高征)是妊娠期特有的疾病.多发生于妊娠20周以后,临床表现为高血压、水肿、蛋白尿,严重时出现抽搐、昏迷、心肾功能衰竭. 相似文献
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脂多糖致肺血管内巨噬细胞分泌功能的改变 总被引:1,自引:0,他引:1
目的 探讨肺血管内巨噬细胞(PIM)在感染性急性肺损伤(ALI)发病中的作用.方法 采用改良Morton法分离、培养猪PIM;用贴壁法获得黏附的PIM,培养于RPMI 1640培养基,予10 mg/L脂多糖(LPS)刺激.用鼠胸腺细胞增殖法测定白细胞介素-1β(IL-1β)活性,酶联免疫吸附法(ELISA)测定IL-6、IL-8含量.结果 LPS刺激后,PIM释放IL-1β、IL-6和IL-8均增多,峰值分别出现在刺激后的2 h[IL-1β活性(10 400±2 389)次/min]、4 h[IL-6含量(0.80±0.36)μg/L]和6 h[IL-8含量(4.94±1.19)μg/L],与刺激前[IL-1β活性(213±85)次/min,IL-6含量(0.27±0.12)μg/L,IL-8含量(1.84±0.53)μg/L]比较差异均有统计学意义(均P<0.01).结论 LPS刺激后,PIM分泌多种细胞因子,其中IL-1β升高最早,提示其在ALI发病早期起重要作用;而IL-6、IL-8升高较晚,且持续时间较长,可能对ALI的病情进展起重要作用.细胞因子间的相互作用在ALI的发病中似乎更为重要.Abstract: Objective To investigate the role of pulmonary intravascular macrophages(PIMs)in the pathogenesis of acute lung injury(ALI)due to infection. Methods Porcine pulmonary blood vessels were flushed by modified Morton method, and PIMs were isolated and cultured. The adhered PIMs were collected with adhesion method and incubated in RPMI 1640 medium. They were challenged with lipopolysaccharide (LPS, 10 mg/L). The activity of interleukin-1β(IL-1β), and contents of IL-6 and IL-8 in the culture supernatant were measured by method of thymocyte proliferation and enzyme linked immunoadsorbent assay (ELISA). Results The released contents of IL-1β, IL-6 and IL-8 from PIMs were increased significantly compared with those before LPS challenge, and they peaked at 2 hours[IL-1β activity:(10 400±2 389)scintillant count/min], 4 hours[IL-6 content:(0. 80± 0. 36)μg/L], and 6 hours[IL-8 content:(4. 94± 1.19)μg/L]after LPS challenge, and the differences were significant compared with those before LPS challenge[IL-1β activity:(213±85)scintillant count/min, IL-6 content:(0. 27 ± 0. 12)μg/L, IL-8 content:(1.84±0.53)μg/L, all P<0. 01]. Conclusion Among the cytokines released from PIMs after LPS challenge, the increase in IL-1β occurred earlier in comparison with that of IL-6 and IL-8, suggesting that the former might play an important role at the early stage of ALI; on the other hand, though the increase in IL-6 and IL-8 contents occurred later than that of IL-1β but it lasted for a longer duration,suggesting that they might be associated with the advancement of ALI. The results also suggested that interaction of these cytokines played a more important role in the pathogenesis of ALI. 相似文献
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孕妇情绪与分娩过程初探 总被引:11,自引:1,他引:10
孕妇情绪与分娩过程初探柳铁中心医院秦翠萍王婷冯秀英广西龙泉山医院陈秋明分娩过程不仅涉及躯体或生理功能,还包括心理和社会功能[1]。为探讨孕妇情绪对分娩过程的影响,本研究应用焦虑自评量表、抑郁自评量表,对孕晚期孕妇的情绪状态进行了测评,并对分娩过程的生... 相似文献
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江森按 广西柳州铁路局中心医院妇产科秦翠萍医生来信 ,对我刊在 2 0 0 0第 9卷第 1期“讲座”栏目中的香港妇产科专家周基杰、周俊卿教授撰写的“剖宫产术新法”一文提出勘误与评述。秦医生对本刊文章的关注和不惜辛苦地解释 ,值得敬佩 ,也是我刊特设“读者·作者·编者”一栏的目的与需要。秦医生首先勘误 ,认为 :“……在这篇文章中有些地方让人费解”并特别举例 :“如 2 .2 .1中之②在子宫切口内外 (是否印错 ?) ,用双叶产钳肯定不能裂伤子宫切口” ;且下结论“我想肯定不是作者的本意”。其实 ,2 .2 .1之①~④是要连贯起来看的。②的… 相似文献
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目的探讨肺血管内巨噬细胞(PIM)在感染性急性肺损伤(ALI)发病中的作用。方法仿Morton法灌洗肺血管床,贴壁法分离猪PIM,培养于RPM I 1640培养基,予10 mg/L脂多糖(LPS)刺激,胸腺细胞增殖法测PIM培养上清白细胞介素-1β(IL-1β)活性,酶联免疫吸附试验(ELISA)法测肿瘤坏死因子-α(TNF-α)和白细胞介素-8(IL-8)含量。结果 LPS刺激后,PIM释放TNF-α、IL-1β和IL-8增多,峰值分别出现在刺激后的1、2和6 h。与刺激前相比,P〈0.01。结论 LPS刺激后,PIM分泌多种细胞因子,其中TNFα-、IL-1β升高最早,提示其在ALI发病早期起重要作用;而IL-8升高较晚,且后者持续时间较长,可能对ALI的病情进展起重要作用。细胞因子间的相互作用在ALI的发病中似乎更为重要。 相似文献