Protective immunity against respiratory tract challenge with Yersinia pestis in mice immunized with an adenovirus-based vaccine vector expressing V antigen

Maria J. Chiuchiolo, Julie L. Boyer, Anja Krause, Svetlana Senina, Neil R. Hackett, Ronald Crystal

Research output: Contribution to journalArticle

40 Citations (Scopus)

Abstract

The aerosol form of the bacterium Yersinia pestis causes the pneumonic plague, a rapidly fatal disease. At present, no plague vaccines are available for use in the United States. One candidate for the development of a subunit vaccine is the Y. pestis virulence (V) antigen, a protein that mediates the function of the Yersinia outer protein virulence factors and suppresses inflammatory responses in the host. On the basis of the knowledge that adenovirus (Ad) gene-transfer vectors act as adjuvants in eliciting host immunity against the transgene they carry, we tested the hypothesis that a single administration of a replication-defective Ad genetransfer vector encoding the Y. pestis V antigen (AdsecV) could stimulate strong protective immune responses without a requirement for repeat administration. AdsecV elicited specific T cell responses and high IgG titers in serum within 2 weeks after a single intramuscular immunization. Importantly, the mice were protected from a lethal intranasal challenge of Y. pestis CO92 from 4 weeks up to 6 months after immunization with a single intramuscular dose of AdsecV. These observations suggest that an Ad gene-transfer vector expressing V antigen is a candidate for development of an effective anti-plague vaccine.

Original languageEnglish
Pages (from-to)1249-1257
Number of pages9
JournalJournal of Infectious Diseases
Volume194
Issue number9
DOIs
Publication statusPublished - 1 Nov 2006
Externally publishedYes

Fingerprint

Adenovirus Vaccines
Yersinia pestis
Respiratory System
Immunity
Plague Vaccine
Adenoviridae
Antigens
Immunization
Yersinia
Subunit Vaccines
Plague
Virulence Factors
Aerosols
Transgenes
Genes
Virulence
Proteins
Immunoglobulin G
Bacteria
T-Lymphocytes

ASJC Scopus subject areas

  • Immunology and Allergy
  • Infectious Diseases

Cite this

Protective immunity against respiratory tract challenge with Yersinia pestis in mice immunized with an adenovirus-based vaccine vector expressing V antigen. / Chiuchiolo, Maria J.; Boyer, Julie L.; Krause, Anja; Senina, Svetlana; Hackett, Neil R.; Crystal, Ronald.

In: Journal of Infectious Diseases, Vol. 194, No. 9, 01.11.2006, p. 1249-1257.

Research output: Contribution to journalArticle

Chiuchiolo, Maria J. ; Boyer, Julie L. ; Krause, Anja ; Senina, Svetlana ; Hackett, Neil R. ; Crystal, Ronald. / Protective immunity against respiratory tract challenge with Yersinia pestis in mice immunized with an adenovirus-based vaccine vector expressing V antigen. In: Journal of Infectious Diseases. 2006 ; Vol. 194, No. 9. pp. 1249-1257.
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