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Acta Virologica Vol.58, No.3, p.267-273, 2014 |
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Title: Identification of an immunodominant epitope in glycoproteins B and G of herpes simplex viruses (HSVs) using synthetic peptides as antigens in assay of antibodies to HSV in herpes simplex encephalitis patients | ||
Author: S. S. BHULLAR, N. H. CHANDAK, N. N. BAHETI, H. J. PUROHIT, G. M. TAORI, H. F. DAGINAWALA, R. S. KASHYAP | ||
Abstract: Herpes simplex encephalitis (HSE) is a severe viral infection of the central nervous system (CNS). Assay of antibody response is widely used in diagnostics of HSE. The aim of this study was to identify an immunodominant epitope determining the antibody response to herpes simplex viruses (HSVs) in cerebrospinal fluid (CSF) of HSE patients. The synthetic peptides that resembled type-common as well as type-specific domains of glycoproteins B (gB) and G (gG) of these viruses were evaluated for binding with IgM and IgG antibodies in CSF samples from HSE and non-HSE patients in ELISA. The QLHDLRF peptide, derived from gB of HSV was found to be an immunodominant epitope in the IgM and IgG antibody response. The patients with confirmed and suspected HSE showed in ELISA against this peptide 26% and 23% positivities for IgM, 43% and 37% positivities for IgG and 17% and 15% for both IgM and IgG antibodies, respectively. The total positivities of 86% and 75% for both IgM and IgG antibodies were obtained in the patients with confirmed and suspected HSE, respectively. These results demonstrate that a synthetic peptide-based diagnostics of HSE can be an efficient and easily accessible alternative. This is the first report describing the use of synthetic peptides derived from HSVs in diagnostics of HSE using patientsʹ CSF samples. |
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Keywords: herpes simplex viruses; herpes simplex encephalitis; synthetic peptide; epitope; IgM antibody; IgG antibody | ||
Year: 2014, Volume: 58, Issue: 3 | Page From: 267, Page To: 273 | |
doi:10.4149/av_2014_03_267 |
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