PubMed · 13184062
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H S EL-NASR, H EL-HEFNAWI. 1954. Herpes simplex linearis.. https://pubmed.ncbi.nlm.nih.gov/13184062/
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At present, the effect of herpes simplex virus infection on the entire proteomes of infected cells is very poorly documented. Following several studies performed over the past few years, the modifications of a sub-cellular fraction induced by herpes simplex virus type 1 can be documented. These studies were performed in order to characterize the virally-induced modifications of a major component of the translational apparatus, the ribosomes. The very basic nature of most of the ribosomal proteins renders them very difficult to separate using isoelectric focusing (IEF). Therefore these studies were achieved using several different but related two-dimensional electrophoretic systems which allowed several two-dimensional ribosomal protein maps to be built. Comparison of the ribosomal protein maps built from non-infected cells with those built from infected cells demonstrated that infection by herpes simplex virus type 1 (HSV-1) induces important modifications of ribosomes: (i) non-reversible phosphorylation of ribosomal protein S6; (ii) unusual phosphorylation of several proteins of the small and the large subunits; and (iii) association of viral and cellular proteins to the ribosomal fraction. An overview of these published studies is presented in this review.
Herpes simplex viruses (HSV) can cause a variety of infections, including genital herpes. Despite effective antiviral therapy HSV infections remain a public health problem. Vaccines offer the possibility for controlling the spread and limiting HSV disease, two strategies for herpes vaccination: prophylactic immunization or therapeutic immunization. The article discusses the results of different studies, in particular, concerning recombinant vaccines, DISC vaccines and DNA vaccines.
During herpes simplex virus type 1 (HSV-1) lifelong latency in human peripheral sensory ganglia (PSG), only the viral latency-associated transcript (LAT) gene is expressed. This raises the possibility that this gene is involved in establishment of latency of the virus, its maintenance, or reactivation. Here we present data that indicate yet another independent function of the LAT gene: interference with HSV-1 superinfection of latently infected neurons. Neuronal cells stably expressing the LATs are protected from infection with HSV-1, but not from infection by other RNA and DNA viruses, including HSV-2. These unexpected findings may explain the observation that human PSG are latently infected with just a single strain of HSV-1, despite repeated exposure during life to multiple viral strains. Thus, the LATs may protect the latent HSV-1 reservoir from cytopathic superinfections, and at the same time the host is protected at the viral entry site from HSV-1 insults that may eventually cause viral encephalitis.