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1.
Vet Microbiol ; 173(1-2): 160-5, 2014 Sep 17.
Artigo em Inglês | MEDLINE | ID: mdl-25124446

RESUMO

Alterations in serum protein profile, presence of circulating immune complexes (CIC) and proteinuria were investigated in a large group of dogs naturally infected with the Anaplasma phagocytophilum bacterium. Our aim was to evaluate the presence of hypergammaglobulinaemia, CIC and proteinuria as a possible result of an immune-mediated disease following infection by or exposure to A. phagocytophilum. Dogs were divided into three groups - IFA positive (188 dogs with confirmed exposure to A. phagocytophilum), PCR positive (31 dogs with confirmed infection), and control (IFA and PCR negative) (19 dogs). Serum and urine protein patterns were determined by electrophoresis and CIC concentrations by absorbance nephelometry. No significant differences in hypergammaglobulinaemia were observed between the different groups, as shown by the presence of acute phase proteins α2 and ß1-2 globulins. CIC concentrations in the IFA and PCR positive groups were, on average, higher than in controls by 151.3µg/ml, though the differences were not significant. The proportion of dogs with proteinuria did not differ significantly between groups. Our results confirm the assumption that anaplasmosis in dogs is most probably a disease with an acute course, with a good prognosis under the right treatment.


Assuntos
Anaplasma phagocytophilum/imunologia , Anaplasmose/imunologia , Anticorpos Antibacterianos/sangue , Complexo Antígeno-Anticorpo/sangue , Doenças do Cão/imunologia , Proteinúria/veterinária , Anaplasma phagocytophilum/genética , Anaplasma phagocytophilum/isolamento & purificação , Anaplasmose/complicações , Anaplasmose/microbiologia , Animais , Doenças do Cão/microbiologia , Cães , Técnica Direta de Fluorescência para Anticorpo/veterinária , Reação em Cadeia da Polimerase/veterinária , Proteinúria/complicações , Proteinúria/imunologia , Proteinúria/microbiologia , alfa-Macroglobulinas/imunologia
2.
Vet Microbiol ; 149(1-2): 172-6, 2011 Apr 21.
Artigo em Inglês | MEDLINE | ID: mdl-21112165

RESUMO

Laboratory and clinical parameters of 149 dogs, exposed to Anaplasma phagocytophilum (A. phagocytophilum), and 19 control dogs were evaluated and compared retrospectively. The aim of our study was to determine statistically significant differences of selected parameters between groups of patients, divided according to the immunofluorescence (IFA) titres, in attempt to improve current diagnostic and treatment criteria. Exposure to A. phagocytophilum was confirmed by IFA and infection by PCR. Based on the results, the dogs were divided into 8 groups (6 groups of seropositive dogs according to the antibody titre, 1 group of PCR positive dogs, and a control group). Selected parameters were compared between groups. Thrombocytopenia was confirmed to be the most prominent haematological change in IFA and/or PCR positive dogs. There were no statistically significant differences in clinical and haematological observations between groups of different IFA titre but clear overall differences between each IFA and PCR positive groups compared to the control group. Our results showed the necessity of introducing additional diagnostic procedures in clinical practice, since antibody titre and haematological parameters are not sufficient to confirm the clinical relevance of exposure to A. phagocytophilum in a particular patient.


Assuntos
Anaplasmose/diagnóstico , Anticorpos Antibacterianos/sangue , Doenças do Cão/diagnóstico , Anaplasma phagocytophilum/imunologia , Anaplasmose/sangue , Anaplasmose/urina , Animais , DNA Bacteriano/isolamento & purificação , Doenças do Cão/sangue , Doenças do Cão/microbiologia , Doenças do Cão/urina , Cães , Técnica Indireta de Fluorescência para Anticorpo , Reação em Cadeia da Polimerase/métodos , Reação em Cadeia da Polimerase/veterinária , Estudos Retrospectivos , Trombocitopenia/microbiologia
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