Elucidation of the cross-reactive immunoglobulin M response to human herpesviruses 6 and 7 on the basis of neutralizing antibodies

Mariko Yoshida, Sadayoshi Torigoe, Masao Yamada

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Human herpesvirus 6 (HHV-6) is closely related to HHV-7 in terms of genome organization and sequence. The cross-reactive responses between HHV-6 and HHV-7 have been reported by using immunofluorescent techniques. Recently we have shown that neutralizing (NT) antibody responses are specific to each virus and do not cross-react. We took advantage of this and used the NT antibody response to estimate the time of seroconversion to each virus and examined the pattern of humoral immune response, especially the immunoglobulin M (IgM) response, against each virus antigen in the natural course of infection with HHV-6 and HHV-7. In children who experienced HHV-6 infection first, followed by HHV-7 infection, the IgM response at the first HHV-6 infection was directed only against HHV-6, while no IgM response was directed against HHV-7 at the second HHV-7 infection. In contrast, in children who experienced HHV-7 infection first, followed by HHV-6 infection, the IgM response at the first HHV-7 infection was directed not only against HHV-7 but also against HHV-6. These data suggest that cross-reactive responses to heterologous viruses should be taken into consideration when making a diagnosis based on IgM antibody.

Original languageEnglish
Pages (from-to)394-402
Number of pages9
JournalClinical and Diagnostic Laboratory Immunology
Volume9
Issue number2
DOIs
Publication statusPublished - 2002

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Human Herpesvirus 7
Human Herpesvirus 6
Neutralizing Antibodies
Immunoglobulin M
Viruses
Herpesviridae Infections
Infection
Antibody Formation
Genes
Antigens
Antibodies
Humoral Immunity
Genome

ASJC Scopus subject areas

  • Microbiology (medical)
  • Immunology and Allergy
  • Clinical Biochemistry
  • Immunology

Cite this

Elucidation of the cross-reactive immunoglobulin M response to human herpesviruses 6 and 7 on the basis of neutralizing antibodies. / Yoshida, Mariko; Torigoe, Sadayoshi; Yamada, Masao.

In: Clinical and Diagnostic Laboratory Immunology, Vol. 9, No. 2, 2002, p. 394-402.

Research output: Contribution to journalArticle

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