Background and Aims: considering difficulties in usual laboratory methods in detection of viral infections, improved DNA-based diagnostic techniques are more reliable. Loop mediated isothermal amplification method (LAMP) is a nucleic acid amplification method that amplifies DNA using six primers which has been developed to diagnose viruses as a rapid and high efficiency test. In this study, the...

The characteristic site-specific reactivation phenotypes of HSV-1 and HSV-2 depend upon the latency-associated transcript region. Increasing proportion of herpes simplex virus type 1 as a cause of genital herpes infection in college students. episodes of genital herpes in a Swedish STD population: a study of epidemiology and transmission by the use of herpes simplex virus (HSV) typing and speci...

A polymerase chain reaction (PCR) was used to detect herpes simplex virus (HSV) deoxyribonucleic acid (DNA) in CSF of 109 patients with possible herpes simplex encephalitis. HSV DNA was found in 20/109 patients. In 14 of these patients the diagnosis was confirmed by a rise in CSF antibodies, isolation of HSV from the brain, or both. In 3 patients CSF antibodies did not rise and 3 patients did n...

The interaction of Herpes Simplex Virus type 1 (HSV-1) with human fetal foreskin fibroblast (HFFF) cell was studied using a recent isolate of HSV-1 which was propagated in Hep-2 cells. HFFF cells were challenged with HSV-1 with a multiplicity of infection (MOI) of 1 virus/cell for 24 hours. Flow cytometric analysis demonstrated that HSV-1 challenged HFFF cells expressed increased levels of α2β1...

The complete nucleotide sequence of the gene encoding the protease and ICP35 capsid protein of herpes simplex virus (HSV) type 2 strain G has been determined. The gene consisits of a 1908 bp open reading frame capable of encoding 636 amino acids. Comparative nucleotide sequence analysis of the gene with published HSV-1 sequences revealed that the HSV-2 nucleic acid segment most likely encodes t...

Herpes simplex virus-type 1 is among the most prevalent and successful humans pathogens. Although infection is largely uncomplicated in the immunocompetent human host, HSV-1 infection can cause blinding corneal disease, and individuals with defects in innate or adaptive immunity are susceptible to herpes simplex encephalitis. Chemokines regulate leukocyte trafficking to inflamed tissues and pla...

background: during the recent years, significant progress has been achieved on development of novel anti-viral drugs. natural products are assumed as the potential sources of novel anti-viral drugs; therefore, there are some previous studies reporting the anti-viral compounds from venomous animals. based on the significant value for tracing of non-toxic anti-viral agents from natural resources,...

Herpes simplex virus (HSV) is an enveloped double-stranded DNA virus that is a common pathogen in humans. There are 2 subtypes, HSV-1 and HSV-2, which are distinguished by their different DNA composition. Their nucleic acids demonstrate approximately 50% base sequence homology.1 The subtypes also differ in a surface glycoprotein, gG: HSV-1 has gG1 and HSV-2 has gG2; they form the basis of type-...

Abstract: Peganum harmala L. (Zygophylaceae) has been used in a variety of practical applications in medical science. Our objective in the current study was to determine the effects of the seed extract on Herpes simplex virus type 1 (HSV-1) replication in Vero cells. Different concentrations (100, 500, 571, 667, 800 and 1000 µg/ml) of the extract were examined. Experiments were carried ...

background: recent research on several dna fragments covering open reading frames (orf) 1-37 shows a new genetic marker in orf 6 which is specific for differentiating wild-type varicella-zoster virus (vzv) strains from oka varicella vaccine strain. on the other hand, herpes simplex virus (hsv) genome analysis by restriction enzymes is used to differentiate types one and two of the virus and eve...