Monitoring C-reactive Protein in Beagle Dogs Experimentally Inoculated with Ehrlichia canis |
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Authors: | Shimada T Ishida Y Shimizu M Nomura M Kawato K Iguchi K Jinbo T |
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Institution: | (1) Laboratory of Immunology, College of Environmental and Health Sciences, Azabu University, 1-17-71 Fuchinobe, Sagamihara, Kanagawa, 229-8501, Japan;(2) Dogs and Cats Protection Hospital, Tokyo, Japan |
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Abstract: | The concentrations of C-reactive proteins (CRP) in the plasma of five beagle dogs experimentally inoculated with Ehrlichia canis increased markedly. The concentrations began to increase between 4 and 16 days and peaked between 15 and 42 days after inoculation of E. canis. The peak concentrations ranged from 217.8 to 788.8 g/ml (452.6±228.1 SD). After the peak, the concentrations of CRP decreased rapidly. The PCR product of 16S rRNA of E. canis became detectable in the five dogs between 18 and 27 days after inoculation of E. canis. Antibodies to E. canis were detected in plasma from the dogs between 5 and 15 days after inoculation of E. canis. The timings of seroconversion and of the start of the increase in CRP were approximately similar and the high concentrations of CRP in the plasma of the dogs tended to become apparent when the PCR product of 16 S rRNA of E. canis became detectable. |
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Keywords: | acute-phase protein C-reactive protein diagnosis dog Ehrlichia canis polymerase chain reaction tick-borne disease |
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