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脏免疫细胞人性化小鼠模型的表征

Sanjeev Noel¹, Johanna T Kurzhagen¹, Sul A Lee¹

¹Division of Nephrology, Johns Hopkins University School of Medicine, Baltimore, Maryland.

|December 1, 2023

概括

人性化的小鼠模型对研究脏疾病充满希望. 某些模型,如huNOG和huNOGEXL,更好地反映了人类脏免疫细胞的组成,用于翻译研究.

科学领域:

免疫学免疫学免疫学
翻译医学是一种翻译医学.
脏研究脏研究

背景情况:

由于生物差异,实验研究往往缺乏临床翻译.
人性化的小鼠模型旨在弥合临床前研究和人类疾病之间的差距.
对脏免疫细胞介导疾病的人性化模型的数据很少.

研究的目的:

为了研究不同人性化小鼠模型脏中的免疫细胞组成.
为了将这些模型与正常人类脏免疫细胞配置进行比较.
评估这些模型对于脏疾病的翻译研究的适用性.

主要方法:

从NOG (EXL) 和NSG小鼠菌株移植人类CD34+造血干细胞或PBMCs的脏免疫类型鉴定.
在,血液,脏和骨髓中的免疫细胞组成的比较.
流细胞计分析以确认移植并量化免疫细胞种群.

主要成果:

在所有测试模型中,在血液和脏中观察到人类免疫细胞的显著移植.
与huNSG相比,huNOG和huNOGEXL模型显示免疫细胞组成更能代表正常人类脏.
在不同的人性化小鼠模型中,免疫细胞组成的变化被注意到.

结论:

人化导致免疫细胞透到小鼠脏中,根据模型的不同组成.
huNOG和huNOGEXL模型显示了人类病转化研究的潜力.
需要进一步验证,以优化针对特定脏研究应用的人性化模型.

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