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大鼠肝移植自发性免疫耐受的研究

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摘要 目的建立大鼠肝移植自发性免疫耐受模型,初步了解其移植后的免疫学变化。方法按Kamada的双管套法,选用近交系Lewis(LEW)、Wistar Furth(WF)大鼠进行原位全肝移植,术后动态观察宿主的肝功能和肝脏病理变化。另外,观察移植后不同时期,宿主植入供体同源的心脏后的免疫耐受情况。结果LEW→WF肝移植后血清谷丙转氨酶(ALT)及总胆红素(TB)的峰值在术后第4天,ALT在2周内、TB在4周内基本恢复到正常范围内;但肝脏炎症细胞的浸润则在第2周最为明显。通过再移植供体心脏的方法提示宿主对供体的特异性免疫耐受是移植2周后建立的。结论该组合早期虽存在急性排斥反应,但术后不需给予免疫抑制剂,可以自然克服这种损害而长期生存,属自发性免疫耐受模型。
出处 《广东医学》 CAS CSCD 北大核心 2006年第3期326-328,共3页 Guangdong Medical Journal
基金 广东省广州市医药卫生科技项目(编号:2005-YB-006)
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