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SARS-CoV对幼年和成年布氏田鼠的感染研究 被引量:3

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摘要 采用鼻腔喷雾法(CCID50=105.7)研究了SARS冠状病毒(SARS-CoV)对成年和幼年布氏田鼠的感染效果.成年动物攻毒后出现死亡,表现为口鼻有出血,肠道出血;肺组织呈出血性间质性肺炎改变,肝、脾、肾、胰腺组织均呈淤血性改变;存活动物肺组织呈间质性肺炎,局灶出血及肺气肿改变,其他脏器未见明显病变.幼年动物攻毒后未见死亡但行动较为迟缓,主要脏器未见明显异常;早期肺组织有局限性肺炎改变,且病毒分离为阳性;同居对照组的一只动物有肺组织局灶性肺炎.结果表明,SARS-CoV可以很强地感染布氏田鼠;成年布氏田鼠比幼年动物对SARS-CoV更敏感;布氏田鼠有望成为一种比较理想小型SARS动物模型.
出处 《科学通报》 EI CAS CSCD 北大核心 2005年第11期1097-1102,共6页 Chinese Science Bulletin
基金 中国科学院动物研究所知识创新前沿资助项目
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