Powassan virus persistence after acute infection.

Powassan virus persistence after acute infection.
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DOI:
10.1128/mbio.00712-23
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发表时间:
2023-08-31
期刊:
影响因子:
6.4
通讯作者:
Piantadosi, Anne L.
Piantadosi, Anne L.
中科院分区:
生物学1区
文献类型:
--
作者:
Telford, Sam R.;Piantadosi, Anne L.

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波瓦桑脑炎的幸存者往往有持续的神经系统疾病。一种新的小鼠模型复制了人类疾病的一些元素,并证明了急性感染后2个多月大脑和肌肉中存在病毒RNA。相关的蜱传脑炎和西尼罗河神经侵袭性疾病(WNND)也有常见的神经系统后遗症,这些更好地研究疾病的模型提供了证据,证明在某些情况下,除了急性脑炎疾病造成的损害外,病毒,RNA和炎症也会延长。更好地了解持续的体征和症状后,Powassan脑炎,目前是一种罕见的疾病的生物学基础,可以受益于更流行的黄病毒脑炎的进一步研究。
Survivors of Powassan encephalitis often have persistent neurological disease. A new mouse model replicates some elements of the human disease and demonstrates the presence of viral RNA in the brain as well as myelitis more than 2 mo after the acute infection. The related tick-borne encephalitis and West Nile Neuroinvasive Disease (WNND) also have common neurological sequelae, and models for these better-studied diseases provide evidence for prolonged virus, RNA, and inflammation in some cases, in addition to damage from the acute encephalitic disease. A better understanding of the biological basis for persistent signs and symptoms after Powassan encephalitis, currently a rare disease, could benefit from further studies of the more prevalent flaviviral encephalitides.
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