Improved protection of mice against lethal respiratory infection with Coccidioides posadasii using two recombinant antigens expressed as a single protein

  • Lisa F. Shubitz
  • , Jieh Juen Yu
  • , Chiung Yu Hung
  • , Theo N. Kirkland
  • , Tao Peng
  • , Robert Perrill
  • , Julie Simons
  • , Jianmin Xue
  • , Roger A. Herr
  • , Garry T. Cole
  • , John N. Galgiani

Research output: Contribution to journalArticlepeer-review

58 Scopus citations

Abstract

Two recombinant antigens which individually protect mice from lethal intranasal infection were studied in combination, either as a mixture of two separately expressed proteins or as a single chimeric expression product. Mice vaccinated with either combination survived longer than mice given single antigens. Immunized mice also exhibited specific IgG immunoglobulins and yielded splenocytes which produced interferon-γ in response to either antigen. The chimeric antigen has the practical advantage of offering enhanced protection from multiple components without increasing production costs.

Original languageEnglish (US)
Pages (from-to)5904-5911
Number of pages8
JournalVaccine
Volume24
Issue number31-32
DOIs
StatePublished - Jul 26 2006

Keywords

  • Cell-mediated immunity
  • Coccidioides
  • Mouse
  • Recombinant expression protein
  • Vaccine

ASJC Scopus subject areas

  • Molecular Medicine
  • General Immunology and Microbiology
  • General Veterinary
  • Public Health, Environmental and Occupational Health
  • Infectious Diseases

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