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Dr. TANG Chao-Shu received his B.S. degree in medicine in 1968 and M.S. degree in Pathophysiology in1981 from Beijing Medical College, respectively. As a visiting scholar he moved to Saint Louis University to continue his research work during 1985.6-1986.7, 1989.5-1990.5, 1993.3-1994.10, 1997.8-1998.4, respectively. He was promoted to be a professor in 1990 and to be a post-student supervisor in 1993, respectivelv.[第一段] 相似文献
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缺血-再灌注过程中心肌肌浆网钙摄取和Ca~(2 )-ATPase活性的变化 总被引:2,自引:0,他引:2
本实验用离体大鼠心脏Langendorff灌流模型,观察缺血及缺血——再灌注对大鼠心肌肌浆网[SR]钙转运功能的影响。结果表明:缺血25min引起SR钙摄取初速率下降,摄取量降低;缺血40min,使其进一步加重。缺血25min后再灌注15min,SR的钙转运功能进一步降低,与缺血40min后果类似;同时SR上的Ca~(2 )-ATPase活性也显著降低。用不同pH的灌流液进行再灌注,对SR钙转运功能的障碍无显著影响。这提示:心肌缺血可引起SR的钙转运功能障碍,并随缺血时间的延长而加重;再灌注加重缺血造成的SR功能的损伤。偏酸或偏碱的K-H液再灌注均不能改善SR钙转运功能的抑制,表明pH变化不是缺血-再灌注时引起SR功能障碍的重要因素。 相似文献
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