Increased thymic output during acute measles virus infection

Sallie R. Permar, William J. Moss, Judith J. Ryon, Daniel C. Douek, Mwaka Monze, Diane E. Griffin

Research output: Contribution to journalArticlepeer-review

27 Scopus citations


Measles virus infects thymic epithelia, induces a transient lymphopenia, and impairs cell-mediated immunity, but thymic function during measles has not been well characterized. Thirty Zambian children hospitalized with measles were studied at entry, hospital discharge, and at 1-month follow-up and compared to 17 healthy children. During hospitalization, percentages of naïve (CD62L+, CD45RA+) CD4+ and CD8+ T lymphocytes decreased (P = 0.01 for both), and activated (HLA-DR+, CD25+, or CD69+) CD4+ and CD8+ T lymphocytes increased (P = 0.02 and 0.03, respectively). T-cell receptor rearrangement excision circles (TRECs) in measles patients were increased in CD8+ T cells at entry compared to levels at hospital discharge (P = 0.02) and follow-up (P = 0.04). In CD4+ T cells, the increase in TRECS occurred later but was more sustained. At discharge, TRECs in CD4+ T cells (P = 0.05) and circulating levels of interleukin-7 (P = 0.007) were increased compared to control values and remained elevated for 1 month, similar to observations in two measles virus-infected rhesus monkeys. These findings suggest that a decrease in thymic output is not the cause of the lymphopenia and depressed cellular immunity associated with measles.

Original languageEnglish (US)
Pages (from-to)7872-7879
Number of pages8
JournalJournal of virology
Issue number14
StatePublished - Jul 2003

ASJC Scopus subject areas

  • Microbiology
  • Immunology
  • Insect Science
  • Virology


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