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Open Access The Mouse as a Model for Investigation of Human Granulocytic Ehrlichiosis: Current Knowledge and Future Directions

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The use of laboratory mice to investigate correlates of infectious disease, including infection kinetics, cellular alterations, cytokine profiles, and immune response in the context of an intact host has expanded exponentially in the last decade. A marked increase in the availability of transgenic mice and research tools developed specifically for the mouse parallels and enhances this research. Human granulocytic ehrlichiosis (HGE) is an emerging, zoonotic disease caused by tick-borne bacteria. The HGE agent (Anaplasma phagocytophila) is one of two recognized pathogens to cause human granulocytic ehrlichiosis (HGE). The mouse model of HGE complements in vitro tissue culture studies, limited in vivo large animal studies, and ex vivo studies of human and ruminant neutrophils, and promises new avenues to approach mechanisms of disease. In the overview reported here, we focus principally on current research into HGE pathogenesis using the mouse model. Included is a discussion of current changes in ehrlichial classification and nomenclature, a review of ehrlichial biology and ecology, and highlights of clinical disease in animals and people.

Document Type: Research Article

Affiliations: 1: Department of Diagnostic Medicine, Veterinary Diagnostic Laboratory, 1333 Gortner Avenue, University of Minnesota, St. Paul, Minnesota 55108 2: Center for Comparative Medicine, Schools of Medicine and Veterinary Medicine, University of California, Davis, California 95616

Publication date: October 1, 2002

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  • Comparative Medicine (CM), an international journal of comparative and experimental medicine, is the leading English-language publication in the field and is ranked by the Science Citation Index in the upper third of all scientific journals. The mission of CM is to disseminate high-quality, peer-reviewed information that expands biomedical knowledge and promotes human and animal health through the study of laboratory animal disease, animal models of disease, and basic biologic mechanisms related to disease in people and animals.

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