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MHC相合造血干细胞移植后cGVHD小鼠模型建立 被引量:2

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摘要 目的建立主要组织相容性复合物(MHC)相合造血干细胞移植的慢性移植物抗宿主病(Chronic graft versehost disease,cGVHD)小鼠模型,为进一步研究cGVHD的发病机制及防治方法构建平台。方法以雄性DBA/2H-2d为供鼠,雌性BABL/CH-2d为受鼠,接受60Co5.5Gy全身照射后分成3组,4~6h内完成移植。A组输注RPMI1640培养液、B组输注5×107个脾细胞/只、C组输注10×107个脾细胞/只。观察指标为:①造血重建时间;②移植物植入情况;③各组小鼠cGVHD的临床表现;④各组的病理学改变及成模率。结果①造血重建:C组较A、B组造血重建延迟,差异有统计学意义。②植入情况检测:移植组小鼠均为供、受者共存的混合嵌合体。③cGVHD的临床表现及评分:A组均未出现cGVHD的临床表现,B、C组小鼠出现cGVHD的临床表现,两组的临床评分有统计学差异(P=0.016)。④病理改变及成模率:A组病理学未见明显异常;B、C两组出现cGVHD的病理学改变,但是两组评分无统计学差异(P=0.410);根据病理学评分判断各组小鼠的成模率分别为0%、60%、80%。结论 60Co5.5Gy全身照射后输注5×107个脾细胞可诱导出cGVHD小鼠模型,且配型方式与临床MHC相合造血干细胞移植类似,可以作为研究MHC相合造血干细胞移植后cGVHD的理想模型。
出处 《中国优生与遗传杂志》 2010年第7期26-29,38,共5页 Chinese Journal of Birth Health & Heredity
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参考文献15

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共引文献6

同被引文献28

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