Comparison of three diagnostic techniques for the detection of leptospires in the kidneys of wild house mice (Mus musculus)
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Comparison of three diagnostic techniques for the detection of leptospires in the kidneys of wild house mice (Mus musculus)
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| Id. |
505337 |
| Idioma |
inglés
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| Titulo |
Comparison of three diagnostic techniques for the detection of leptospires in the kidneys of wild house mice (Mus musculus) |
| Autor(es) |
Rossetti,Carlos A.
Vanasco,Bibiana N.
Pini,Noemí
Carfagnini,Julio C.
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| Localización |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-736X2004000100003
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| Versión |
1.0 |
| Estado |
Final
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| Descripción |
Forty-one wild house mice (Mus musculus) were trapped in an urban area, near railways, in Santa Fe city, Argentina. Both kidneys from each mouse were removed for bacteriological and histological examination. One kidney was inoculated into Fletcher semi-solid medium and isolates were serologically typed. The other kidney was microscopically examined after hematoxylin-eosin, silver impregnation and immunohistochemical stains. Leptospires, all of them belonging to the Ballum serogroup, were isolated from 16 (39%) out of 41 samples. The presence of the agent was recorded in 18 (44%) and in 19 (46%) out of 41 silver impregnated and immunohistochemically stained samples respectively. Additionally, leptospires were detected in high number on the apical surface of epithelial cells and in the lumen of medullary tubules and they were less frequently seen on the apical surface of epithelial cells or in the lumen of the cortical tubules, which represents an unusual finding in carrier animals. Microscopic lesions consisting of focal mononuclear interstitial nephritis, glomerular shrinkage and desquamation of tubular epithelial cells were observed in 13 of 19 infected and in 10 of 22 non-infected mice; differences in presence of lesions between infected and non-infected animals were not statistically significant (P=0,14). The three techniques, culture, silver impregnation and immunohistochemistry, had a high agreement (k³0.85) and no significant differences between them were detected (P>0.05). In addition, an unusual location of leptospires in kidneys of carrier animals was reported, but a relationship between lesions and presence of leptospires could not be established.
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| Tipo |
text/html
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| Palabras clave |
Leptospires
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| Tipo de recurso |
journal article
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| Tipo de Interactividad |
Expositivo
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| Nivel de Interactividad |
muy bajo
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| Audiencia |
Estudiante
Profesor
Autor
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| Estructura |
Atomic |
| Coste |
no
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| Copyright |
sí
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| Formatos |
text/html
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| Requerimientos técnicos |
Browser: Any
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| Fecha de contribución |
22-may-2005 |
| Contacto |
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