目的比较研究人与猪肝门静脉细胞核密度间的异同，为猪与人异种肝移植提供理论依据。
Objective To study the cellular nuclear density difference of the hepatic portal vein between the human and pig and provide evidence for pig- to-human liver xenotransplantation.
结果老年大鼠造牙本质细胞核出现切迹，内含大量异染色质；
Results The nuclei of the odontoblasts of the aging rats were notched and contained a large amount of heterochromatins.
透射电镜显示，胞质内细胞器稀少，细胞核大，核内具有丰富的异染色质；
Results With phase contrast microscope, the rapidly adherent cells were uniformed small, large nucleus and epithelial-like.
与之相比，在核纤层蛋白相关的异染色质区域以及位于细胞核中部的转录活跃区域并不会得到病毒的青睐。
This region contains a series of cellular genes, which are preferentially targeted by the virus, and characterized by the presence of active transcription chromatin marks before viral infection.
与之相比，在核纤层蛋白相关的异染色质区域以及位于细胞核中部的转录活跃区域并不会得到病毒的青睐。
This region contains a series of cellular genes, which are preferentially targeted by the virus, and characterized by the presence of active transcription chromatin marks before viral infection.
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