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Neutralizing antiviral B cell responses

M F Bachmann1, R M Zinkernagel

  • 1Department of Pathology, University of Zürich, Switzerland.

Annual Review of Immunology
|January 1, 1997
PubMed
Summary
This summary is machine-generated.

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Viral antigens trigger potent neutralizing B cell responses that are rapid, high-titered, and long-lived, unlike typical protein responses. Antigen repetitiveness is key, guiding B cells to distinguish self from non-self.

Area of Science:

  • Immunology
  • Virology
  • B cell biology

Background:

  • Neutralizing antiviral B cell responses contrast with typical protein-specific responses.
  • Antiviral B cell responses exhibit faster induction, higher titers, and longer duration.
  • These responses are efficiently generated without adjuvants.

Purpose of the Study:

  • To summarize evidence on the factors driving efficient neutralizing antiviral B cell responses.
  • To elucidate the role of antigen repetitiveness in B cell activation and differentiation.

Main Methods:

  • Review of existing data on B cell responses to viral antigens.
  • Analysis of B cell activation mechanisms, including surface immunoglobulin cross-linking.
  • Investigation of B cell discrimination of antigen patterns.

Related Experiment Videos

Main Results:

  • Antigen repetitiveness is a critical factor for efficient B cell responses to viral antigens.
  • Repetitive viral antigens promote rapid B cell amplification, leading to potent IgM and IgG responses.
  • B cells utilize the degree of surface immunoglobulin cross-linking to discriminate antigen patterns.

Conclusions:

  • The repetitiveness of viral antigens is essential for potent and efficient neutralizing B cell immunity.
  • B cells employ antigen pattern recognition, specifically surface Ig-cross-linking, as a self/non-self discrimination mechanism.
  • Understanding these mechanisms can inform vaccine development for improved antiviral immunity.