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胰岛培养后胸腺内移植的实验研究
Authors
王国栋
陈规划
Publication date
1 January 2000
Publisher
Editorial Office of Journal of Sun Yat-sen University
Abstract
【目的】观察胰岛培养后胸腺内移植对移植物存活时间的影响。【方法】以C57BL/6 小鼠为受体, BALB/c 小鼠为 供体。胸腺内胰岛未培养组分为单纯移植和移植的同时加腹腔内1 次性注射兔抗小鼠胸腺细胞血清(ATS)两组。胸腺内胰 岛培养组分为24 ℃培养后单纯移植和移植时加用ATS 两组。【结果】未培养胰岛单纯胸腺内移植后平均存活期为(19.5 ± 10.1)d, 加用ATS 后, 可延长至100 d 以上, 其中6 只受体(6/ 8)胸腺内移植物长期存活, 并且诱导了受体对供体的特异性无 反应性。胰岛经24 ℃培养后单纯胸腺内移植或移植后应用ATS , 均可获长期存活(分别为>92 d , >100 d), 但未能诱导受体 对供体的特异性无反应性。【结论】胸腺可能为胰岛移植的免疫特许部位, 新鲜分离胰岛中的抗原在维持免疫耐受中具有重 要的作用
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Last time updated on 15/10/2024