B-1 and b-2 cell-derived immunoglobulin m antibodies are nonredundant components of the protective response to influenza virus infection

Nicole Baumgarth, Ometa C. Herman, Gina C. Jager, Lorena E. Brown, Leonore A. Herzenberg, Jianzhu Chen

Research output: Contribution to journalArticle

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Abstract

We have studied the role of secreted immunoglobulin (ig)m in protection from infection with influenza virus and delineated the relative contributions of B-1 versus B-2 cell-derived Igm in this process. Mice deficient in secreted Igm but capable of expressing surface Igm and secreting other Ig classes show significantly reduced virus clearance and survival rates compared with wild-type controls. Irradiation chimeras in which only either B-1 or B-2 cells lack the ability to secrete Igm show mortality rates similar to those of mice in which neither B-1 nor B-2 cells secrete Igm. Dependence on both sources of Igm for survival is partially explained by findings in allotype chimeras that broadly cross-reactive B-1 cell-derived natural Igm is present before infection, whereas virus strain-specific, B-2 cell-derived Igm appears only after infection. Furthermore, lack of Igm secreted from one or both sources significantly impairs the antiviral IgG response. Reconstitution of chimeras lacking B-1 cell-derived Igm only with Igm-containing serum from noninfected mice improved both survival rates and serum levels of virus- specific Igg. Thus, virus-induced Igm must be secreted in the presence of natural Igm for efficient induction of specific Igg and for immune protection, identifying B-1 and B-2 cell-derived Igm antibodies as nonredundant components of the antiviral response.

Original languageEnglish (US)
Pages (from-to)271-280
Number of pages10
JournalJournal of Experimental Medicine
Volume192
Issue number2
DOIs
StatePublished - Jul 17 2000

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Virus Diseases
Orthomyxoviridae
Immunoglobulins
Antibodies
Viruses
Antiviral Agents
Survival Rate
Infection
Serum
Immunoglobulin G
Mortality

Keywords

  • B cell
  • CD5 B cell
  • Immune protection
  • Immunoglobulin M
  • Respiratory tract

ASJC Scopus subject areas

  • Immunology

Cite this

B-1 and b-2 cell-derived immunoglobulin m antibodies are nonredundant components of the protective response to influenza virus infection. / Baumgarth, Nicole; Herman, Ometa C.; Jager, Gina C.; Brown, Lorena E.; Herzenberg, Leonore A.; Chen, Jianzhu.

In: Journal of Experimental Medicine, Vol. 192, No. 2, 17.07.2000, p. 271-280.

Research output: Contribution to journalArticle

Baumgarth, Nicole ; Herman, Ometa C. ; Jager, Gina C. ; Brown, Lorena E. ; Herzenberg, Leonore A. ; Chen, Jianzhu. / B-1 and b-2 cell-derived immunoglobulin m antibodies are nonredundant components of the protective response to influenza virus infection. In: Journal of Experimental Medicine. 2000 ; Vol. 192, No. 2. pp. 271-280.
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