In vivo fitness and virulence of a drug-resistant herpes simplex virus 1 mutant.

In vivo fitness and virulence of a drug-resistant herpes simplex virus 1 mutant.
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耐药单纯疱疹病毒 1 突变体的体内适应性和毒力。

DOI:
10.1099/vir.0.82787-0
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发表时间:
2007
期刊:
The Journal of general virology
影响因子:
--
通讯作者:
Coen,DonaldM
Coen,DonaldM
中科院分区:
--
文献类型:
--
作者:
Pesola,JeanM;Coen,DonaldM

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关于抗病毒药物耐药的病毒突变体的两个重要问题是其相对于其他遗传变异体(包括野生型)在动物宿主中复制的能力(体内适应性)以及其引起疾病的能力。这些问题已针对对硫脲化合物具有抗性的单纯疱疹病毒 1 突变体进行了研究,硫脲化合物可抑制病毒 DNA 的衣壳化。在小鼠角膜接种后,突变病毒在眼睛、三叉神经节和大脑中的复制与其野生型亲本非常相似。按照这种接种途径,突变病毒对小鼠的致命性与其野生型亲本相同。事实上,它表现出更强的毒力。因此,与大多数耐药病毒突变体不同,该突变体保留了体内适应性和毒力。
Two important issues regarding a virus mutant that is resistant to an antiviral drug are its ability to replicate in animal hosts (in vivofitness) relative to other genetic variants, including wild type, and its ability to cause disease. These issues have been investigated for a herpes simplex virus 1 mutant that is resistant to thiourea compounds, which inhibit encapsidation of viral DNA. Following corneal inoculation of mice, the mutant virus replicated very similarly to its wild-type parent in the eye, trigeminal ganglion and brain. The mutant virus was as lethal to mice as its wild-type parent following this route of inoculation. Indeed, it exhibited increased virulence. Thus, unlike most drug-resistant virus mutants, this mutant retainedin vivofitness and virulence.
喷昔洛韦和耐药单纯疱疹病毒突变体的发病机制表型。
DOI: 10.1016/s0166-3542(97)00054-5
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