Evidence for modulated immune response to Anaplasma phagocytophila sensu lato in cats with FIV-induced immunosuppression

Janet E Foley; C. M. Leutenegger; Stephen J. Dumler; Niels C Pedersen; John E Madigan

doi:10.1016/S0147-9571(02)00023-1

Evidence for modulated immune response to Anaplasma phagocytophila sensu lato in cats with FIV-induced immunosuppression

Janet E Foley, C. M. Leutenegger, Stephen J. Dumler, Niels C Pedersen, John E Madigan

Medicine and Epidemiology

Research output: Contribution to journal › Article › peer-review

21 Scopus citations

Abstract

Human granulocytic ehrlichiosis (HGE) is an emerging infectious disease in which some patients experience unusual opportunistic infections. In this study, cats infected with the HGE agent, Anaplasma phagocytophila s.l., had clinical granulocytic ehrlichiosis (GE), anti-nuclear antibodies and increased IFN-γ mRNA. In FIV-immunosuppressed cats with GE, there was upregulated IL-10 transcription but not IFN-γ. Cats with FIV had poor response to vaccines, regardless of GE status. This preliminary report demonstrates that cats with FIV-infection make a good model of chrlichiosis in an immunocompromised host, and that viral immunosuppression may not increase the severity of ehrlichiosis but may attenuate immune responses to the pathogen.

Original language	English (US)
Pages (from-to)	103-113
Number of pages	11
Journal	Comparative Immunology, Microbiology and Infectious Diseases
Volume	26
Issue number	2
DOIs	https://doi.org/10.1016/S0147-9571(02)00023-1
State	Published - Mar 2003

Keywords

Acquired immune deficiency syndrome
Anaplasma phagocytophila
Feline immunodeficiency virus
Human granulocytic ehrlichiosis

ASJC Scopus subject areas

Animal Science and Zoology
Immunology
Microbiology
veterinary(all)

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Evidence for modulated immune response to Anaplasma phagocytophila sensu lato in cats with FIV-induced immunosuppression. / Foley, Janet E; Leutenegger, C. M.; Dumler, Stephen J.; Pedersen, Niels C ; Madigan, John E.

In: Comparative Immunology, Microbiology and Infectious Diseases, Vol. 26, No. 2, 03.2003, p. 103-113.

Research output: Contribution to journal › Article › peer-review

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abstract = "Human granulocytic ehrlichiosis (HGE) is an emerging infectious disease in which some patients experience unusual opportunistic infections. In this study, cats infected with the HGE agent, Anaplasma phagocytophila s.l., had clinical granulocytic ehrlichiosis (GE), anti-nuclear antibodies and increased IFN-γ mRNA. In FIV-immunosuppressed cats with GE, there was upregulated IL-10 transcription but not IFN-γ. Cats with FIV had poor response to vaccines, regardless of GE status. This preliminary report demonstrates that cats with FIV-infection make a good model of chrlichiosis in an immunocompromised host, and that viral immunosuppression may not increase the severity of ehrlichiosis but may attenuate immune responses to the pathogen.",

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