Suazo Paula A, Ibañez Francisco J, Retamal-Díaz Angello R, Paz-Fiblas Marysol V, Bueno Susan M, Kalergis Alexis M, González Pablo A
Millennium Institute on Immunology and Immunotherapy, Departamento de Genética Molecular y Microbiología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, 8331010 Santiago, Chile.
Millennium Institute on Immunology and Immunotherapy, Departamento de Genética Molecular y Microbiología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, 8331010 Santiago, Chile ; INSERM UMR1064, 44093 Nantes, France.
Mediators Inflamm. 2015;2015:593757. doi: 10.1155/2015/593757. Epub 2015 Mar 30.
Besides overcoming physical constraints, such as extreme temperatures, reduced humidity, elevated pressure, and natural predators, human pathogens further need to overcome an arsenal of antimicrobial components evolved by the host to limit infection, replication and optimally, reinfection. Herpes simplex virus-1 (HSV-1) and herpes simplex virus-2 (HSV-2) infect humans at a high frequency and persist within the host for life by establishing latency in neurons. To gain access to these cells, herpes simplex viruses (HSVs) must replicate and block immediate host antiviral responses elicited by epithelial cells and innate immune components early after infection. During these processes, infected and noninfected neighboring cells, as well as tissue-resident and patrolling immune cells, will sense viral components and cell-associated danger signals and secrete soluble mediators. While type-I interferons aim at limiting virus spread, cytokines and chemokines will modulate resident and incoming immune cells. In this paper, we discuss recent findings relative to the early steps taking place during HSV infection and replication. Further, we discuss how HSVs evade detection by host cells and the molecular mechanisms evolved by these viruses to circumvent early antiviral mechanisms, ultimately leading to neuron infection and the establishment of latency.
除了要克服诸如极端温度、低湿度、高压和天敌等物理限制外,人类病原体还需要克服宿主进化出的一系列抗菌成分,以限制感染、复制,并在最佳情况下防止再次感染。单纯疱疹病毒1型(HSV-1)和单纯疱疹病毒2型(HSV-2)感染人类的频率很高,并通过在神经元中建立潜伏感染而在宿主体内终生持续存在。为了进入这些细胞,单纯疱疹病毒(HSV)必须进行复制,并在感染后早期阻断上皮细胞和先天免疫成分引发的宿主即时抗病毒反应。在这些过程中,受感染和未受感染的邻近细胞,以及组织驻留和巡逻免疫细胞,将感知病毒成分和细胞相关的危险信号并分泌可溶性介质。I型干扰素旨在限制病毒传播,而细胞因子和趋化因子则会调节驻留和进入的免疫细胞。在本文中,我们讨论了与HSV感染和复制早期步骤相关的最新发现。此外,我们还讨论了HSV如何逃避宿主细胞的检测,以及这些病毒为规避早期抗病毒机制而进化出的分子机制,最终导致神经元感染和潜伏感染的建立。