Autochthonous cutaneous leishmaniasis in urban domestic animals (Felis catus / Canis lupus familiaris) from central-western Venezuela
Publication date: Available online 8 January 2019
Source: Acta Tropica
Author(s): AE. Paniz Mondolfi, A. Colmenares Garmendia, Y. Mendoza Pérez, Carlos E. Hernández-Pereira, C. Medina, F. Vargas, D. Sandoval, J. Agüero, D. Román, M. Forlano-Riera, Y. Salas, M. Peraza, P. Romero, F. Aldana, T. Castillo, S. Santeliz, G. Perez, María J. Suarez-Alvarado, RJ. Morales-Panza, H. Kato
Leishmaniasis is a zoonotic disease caused by intracellular protozoa of the Leishmania genus that are spread and transmitted by sandflies. Natural infection and clinical disease in domestic cats and dogs appear to be rare or perhaps largely under-reported in endemic areas. However, previous reports on infected domestic animals usually implicate the same Leishmania species that affect humans in tropical and subtropical areas of the world suggesting a potential role for zoonotic transmission. In the present study we assessed a representative sample of cats and dogs from endemic urban / suburban areas of Lara state in central western Venezuela. In both dogs and cats, cutaneous disease exhibits a spectrum of manifestations that range from single papules or nodules, which may evolve into ulcerative, plaque-like or scaly lesions. Cytochrome b (cyt b) PCR gene sequence analysis revealed L. mexicana as the causative agent in all cases, including two human cases proceeding from the same study area at the same time the study was carried out. In order to improve our understanding on feline/canine infection with Leishmania mexicana, and address potential zoonotic concerns it is necessary to characterize its enzootic reservoirs and vectors as well as the possible anthropophilic players linking to the peridomestic and domestic cycles.
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