Diagnosis of herpes simplex virus encephalitis by detection of virus-specific immunoglobulins A and G in serum and cerebrospinal fluid by using an antibody-capture enzyme-linked immunosorbent assay.
AUTOR(ES)
van Loon, A M
RESUMO
An enzyme-linked immunosorbent assay was evaluated for detection of intrathecal synthesis of immunoglobulin G (IgG) and IgA antibodies to herpes simplex virus (HSV) in patients with HSV encephalitis (HSVE). Since the antibody-capture principle was used and the assay was carried out at the saturation level of the anti-IgG- or anti-IgA-coated solid phase, correction for blood-brain barrier leakage was not needed. A total of 34 pairs of serum and cerebrospinal fluid specimens obtained from 20 patients with HSVE were examined. Intrathecal synthesis of HSV IgG and IgA was detected from day 7 after the onset of illness in patients with HSVE. Specimens from all 19 patients from whom paired serum and cerebrospinal fluid specimens were obtained at more than 10 days after the onset of illness were positive. Intrathecal synthesis of HSV IgG and IgA was not detected in patients with HSVE before day 7 of illness or in any of the 16 control patients with other causes of (meningo)encephalitis. Use of the antibody-capture enzyme-linked immunosorbent assay for HSV IgG and IgA allows the rapid diagnosis of HSVE during the second week of illness.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=267723Documentos Relacionados
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