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两组小鼠基因的相互作用决定了泰勒氏病毒在中枢神经系统中的持续存在。

The interaction of two groups of murine genes determines the persistence of Theiler's virus in the central nervous system.

作者信息

Bureau J F, Montagutelli X, Lefebvre S, Guénet J L, Pla M, Brahic M

机构信息

Unité des Virus Lents, UA 1157, Centre National de la Recherche Scientifique, Institut Pasteur, Paris, France.

出版信息

J Virol. 1992 Aug;66(8):4698-704. doi: 10.1128/JVI.66.8.4698-4704.1992.

Abstract

Theiler's murine encephalomyelitis virus is responsible for a chronic inflammatory demyelinating disease of the central nervous system of the mouse. The disease is associated with persistent viral infection of the spinal cord. Some strains of mice are susceptible to viral infection, and other strains are resistant. The effect of the genetic background of the host on viral persistence has not been thoroughly investigated. We studied the amount of viral RNA in the spinal cords of 17 inbred strains of mice and their F1 crosses with the SJL/J strain and observed a large degree of variability among strains. The pattern of viral persistence among mouse strains could be explained by the interaction of two loci. One locus is localized in the H-2D region of the major histocompatibility complex, whereas the other locus is outside this complex and is not linked to the Tcrb locus on chromosome 6.

摘要

泰勒氏鼠脑脊髓炎病毒可引发小鼠中枢神经系统的慢性炎性脱髓鞘疾病。该疾病与脊髓的持续性病毒感染有关。一些品系的小鼠易受病毒感染,而其他品系则具有抗性。宿主遗传背景对病毒持续性的影响尚未得到充分研究。我们研究了17个近交系小鼠及其与SJL/J品系的F1杂交后代脊髓中的病毒RNA含量,观察到品系间存在很大差异。小鼠品系间病毒持续性的模式可由两个基因座的相互作用来解释。一个基因座位于主要组织相容性复合体的H-2D区域,而另一个基因座在该复合体外,且与6号染色体上的Tcrb基因座不连锁。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f5e4/241295/32e1174f4fc2/jvirol00040-0085-a.jpg

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