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  • Title: First histopathological study in kidneys of rodents naturally infected with Leptospira pathogenic species from Yucatan, Mexico.
    Author: Torres-Castro M, Guillermo-Cordero L, Hernández-Betancourt S, Gutiérrez-Ruíz E, Agudelo-Flórez P, Peláez-Sánchez R, Zavala-Castro J, Puerto FI.
    Journal: Asian Pac J Trop Med; 2016 Feb; 9(2):145-7. PubMed ID: 26919944.
    Abstract:
    OBJECTIVE: To report the renal histological lesions in synanthropic rodents, Mus musculus and Rattus rattus, naturally infected with Leptospira spp., captured in a rural community in Yucatan, Mexico. METHODS: Kidney samples of synanthropic rodents were collected from a rural community in Yucatan, Mexico. Polymerase chain reaction was used to detect Leptospira spp. infection. Tissue kidney was fixed in 10% buffered formalin, processed according to the usual techniques for paraffin inclusion, cut and stained with hematoxylin and eosin, and examined using a conventional electronic microscope. RESULTS: A total of 187 rodents were captured. Nine individuals (4.8%) were positive for Leptospira spp. in the molecular analysis. All renal lesions observed in the histopathological study had been reported previously for Leptospira spp. infection. CONCLUSIONS: The histopathological lesions are present in the kidneys, plus the results of the polymerase chain reaction confirm that these rodents are true carriers of Leptospira spp.
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