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Related Experiment Videos

Systemic lymphoproliferative responses to rotavirus.

B M Totterdell1, J E Banatvala, I L Chrystie

  • 1Department of Virology, St. Thomas' Campus of United Medical School, Guy's Hospital, London.

Journal of Medical Virology
|May 1, 1988
PubMed
Summary

Elderly individuals and transplant recipients show reduced immune responses to rotavirus. However, elderly people mounted effective responses after infection, while vaccine responses varied.

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Area of Science:

  • Immunology
  • Virology
  • Gerontology

Background:

  • Immune responses to rotavirus can be altered in specific populations.
  • Understanding these responses is crucial for vaccine development and managing infections in vulnerable groups.

Purpose of the Study:

  • To investigate lymphoproliferative and antibody responses to rotavirus in elderly patients, renal transplant recipients, and vaccine recipients.
  • To compare immune responses across different age groups and health statuses.

Main Methods:

  • Assessing lymphoproliferative responses to rotavirus and phytohaemagglutinin (PHA).
  • Measuring specific antibody levels against rotavirus.
  • Evaluating responses in healthy adults, elderly patients, renal transplant recipients, a child with cartilage hair hypoplasia, and rotavirus vaccine recipients.

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Main Results:

  • Elderly patients and renal transplant recipients exhibited significantly lower lymphoproliferative responses to rotavirus and PHA compared to healthy adults.
  • Elderly individuals demonstrated robust lymphoproliferative and specific antibody responses following acute rotavirus infection.
  • A child with cartilage hair hypoplasia showed no detectable response to rotavirus.
  • Specific antibodies were found in cord blood without a lymphoproliferative response.
  • One recipient of a bovine rotavirus vaccine (RIT 4237) showed increased lymphoproliferative response, unlike recipients of a human vaccine (RIT 4375).

Conclusions:

  • Age and immunosuppression (e.g., post-transplant) can impair cellular immune responses to rotavirus.
  • Humoral and cellular immunity to rotavirus can be effectively mounted following natural infection in the elderly.
  • Rotavirus vaccine efficacy may differ based on vaccine type and host immune status.