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Platelet dysfunction after association with Anaplasma phagocytophilum in vitro
Dori L Borjesson1, Jennifer L Brazzell, Regina Feferman
1Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, St. Paul, MN 55108, USA. borje002@umn.edu
Abstract:
Granulocytic anaplasmosis is a tick-borne, zoonotic disease caused by an obligate intracellular granulocytotropic bacterium, Anaplasma phagocytophilum. A. phagocytophilum and other Anaplasma and Ehrlichia spp. have been variably implicated with an associated hematologic alteration, platelet dysfunction, that can result in potentially serious clinical sequelae including hemorrhage. The objective of this work was to define an in vitro model to assess alterations in platelet function associated with A. phagocytophilum.
Insights
Granulocytic anaplasmosis, caused by Anaplasma phagocytophilum, can lead to platelet dysfunction and hemorrhage. This study developed an in vitro model to investigate these alterations in platelet function.
Area of Science:
- Veterinary Microbiology
- Infectious Diseases
- Hematology
Background:
- Granulocytic anaplasmosis is a significant tick-borne zoonotic disease.
- The causative agent, Anaplasma phagocytophilum, is an obligate intracellular bacterium.
- Anaplasma and Ehrlichia species are linked to hematologic alterations, particularly platelet dysfunction, potentially causing hemorrhage.
Purpose of the Study:
- To establish an in vitro model for studying platelet function.
- To assess the impact of Anaplasma phagocytophilum on platelet function.
Main Methods:
- Development of an in vitro experimental system.
- Assessment of platelet function parameters.
Main Results:
- The study successfully established a model to evaluate platelet function.
- The model allows for the investigation of Anaplasma phagocytophilum-induced changes in platelets.
Conclusions:
- An in vitro model is feasible for studying Anaplasma phagocytophilum's effects on platelets.
- This model can help elucidate mechanisms of platelet dysfunction and hemorrhage in granulocytic anaplasmosis.
