نتایج جستجو برای: UL39
تعداد نتایج: 15 فیلتر نتایج به سال:
Objective(s): Oncolytic Herpes simplex virus type 1 (HSV-1) has emerged as a promising strategy for cancer therapy. However, development of novel oncolytic mutants has remained a major challenge owing to low efficiency of conventional genome editing methods. Recently, CRISPR-Cas9 has revolutionized genome editing.Materials and Methods: I...
The treatment of malignant glioma is currently ineffective. Oncolytic viruses are being explored as a means to selectively lyse tumor cells in the brain. We have engineered a mutant herpes simplex virus type 1 with deletions in the viral UL39 and g134.5 genes and an insertion of the two prodrug activating genes, CYP2B1 and secreted human intestinal carboxylesterase . Each of these can convert t...
Homo sapiens harbor two distinct, medically significant species of simplexviruses, herpes simplex virus (HSV)-1 and HSV-2, with estimated divergence 6-8 million years ago (MYA). Unexpectedly, we found that circulating HSV-2 strains can contain HSV-1 DNA segments in three distinct genes. Using over 150 genital swabs from North and South America and Africa, we detected recombinants worldwide. Com...
The treatment of malignant glioma is currently ineffective. Oncolytic viruses are being explored as a means to selectively lyse tumor cells in the brain. We have engineered a mutant herpes simplex virus type 1 with deletions in the viral UL39 and gamma(1)34.5 genes and an insertion of the two prodrug activating genes, CYP2B1 and secreted human intestinal carboxylesterase. Each of these can conv...
BACKGROUND Oncolytic herpes simplex virus (HSV) vectors that specifically replicate in and kill tumor cells sparing normal cells are a promising cancer therapy. Traditionally, recombinant HSV vectors have been generated through homologous recombination between the HSV genome and a recombination plasmid, which usually requires laborious screening or selection and can take several months. Recent ...
Here we present the complete genomic sequence of bovine herpesvirus 5 (BHV-5), an alphaherpesvirus responsible for fatal meningoencephalitis in cattle. The 138390-bp genome encodes 70 putative proteins and resembles the alpha2 subgroup of herpesviruses in genomic organization and gene content. BHV-5 is very similar to BHV-1, the etiological agent of infectious bovine rhinotracheitis, as reflect...
The complete DNA sequence of the Marek's disease virus serotype 1 vaccine strain CVI988 was determined and consists of 178 311 bp with an overall gene organization identical to that of the oncogenic strains. In examining open reading frames (ORFs), nine differ between vaccine and oncogenic strains. A 177 bp insertion was identified in the overlapping genes encoding the Meq, RLORF6 and 23 kDa pr...
Herpes simplex viruses types 1 (HSV-1) and 2 (HSV-2) are associated with a wide range of diseases related to infection of epithelial or neuronal tissues. The two viruses evidence distinct pathogenesis aspects, which are likely mediated by distinct viral genes. One such gene is UL39, which codes for the large subunit of ribonucleotide reductase (R1, also known as ICP6 and ICP10 for HSV-1 and HSV...
Restriksiyon Parça Uzunluk Polimorfizmi (RFLP) tekniği kullanılarak tüm genomun analizinde Bovine Herpesviruses-1 (BoHV-1) suşlarını BoHV-1.1, 1.2a, 1.2b olmak üzere üç alt tipte sınıflandırılmaktadır. Bu tipler klinik bulgular göre de değerlendirilmektedir ancak bu yönde henüz net bir ilişkilendirme yapılmamıştır. Çoğunlukla BoHV-1.2b, genital hastalık bulgularıyla ilişkilendirilmektedir. çalı...
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