ArticleBMC veterinary research2020
Clinical, haematological and biochemical findings in tigers infected by Leishmania infantum.
Article in BMC veterinary research, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 12 citations in OpenAlex.
- Evaluation of a commercial multispecies rapid test for anti-Leishmania infantum antibodies in unconventional animal species.Veterinary research communications · 2026Article
- Hematological and Biochemical Outcomes of Leishmania Infantum Infection in the South American Coati (Nasua nasua) in an Endemic Area of Visceral Leishmaniasis in Central Western Brazil.Acta parasitologica · 2026Article
- Naturally acquired visceral leishmaniosis in a captive white-naped mangabey (Cercocebus lunulatus) in Spain.Veterinary research communications · 2025Article
- Article
- Distribution of and Relationships between Epidemiological and Clinicopathological Parameters in Canine Leishmaniosis: A Retrospective Study of 15 Years (2009-2023).Pathogens (Basel, Switzerland) · 2024Article
- The relationships amongInternational journal for parasitology. Parasites and wildlife · 2024Article
- A Systematic Review (1990-2021) of Wild Animals Infected with ZoonoticMicroorganisms · 2021Review
- New Epidemiological Aspects of Animal Leishmaniosis in Europe: The Role of Vertebrate Hosts Other Than Dogs.Pathogens (Basel, Switzerland) · 2021Review
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Authors and funding
8 authors at 3 institutions in 2 countries.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundA large number of animal species are susceptible to Leishmania infantum (Kinetoplastida, Trypanosomatidae) in endemic areas, including domestic and wild felids such as tigers (Panthera tigris). Knowledge on the infection of this endangered species is still at its infancy, and therefore this study aims to identify clinical presentation and clinicopathological findings of tigers naturally infected by L. infantum.
resultsTigers either L. infantum-positive (group A) or -negative (group B) were apparently healthy or presented visceral leishmaniasis unrelated conditions, except for one animal in which a large non-healing cutaneous lesion was observed. However, histological exam and immunohistochemistry carried out on the lesion excluded the presence of L. infantum amastigotes. Biochemical analysis showed that the average concentration of total proteins, globulins and haptoglobin were significantly higher (p < 0.01, p = 0.01 and p = 0.02, respectively), while the albumin/globulin ratio significantly lower (p = 0.05) in group A compared with group B. The biochemical alterations were partially confirmed by the serum protein electrophoresis results revealing a significant increase in the total protein value (p = 0.01) and hypergammaglobulinemia (p = 0.03) but an unmodified albumin/globulin ratio in group A.
conclusionsIn this study tigers infected by L. infantum have shown to be mainly asymptomatic. The absence of clinical signs may lead veterinarians to overlook leishmaniasis in animals kept in captivity. Therefore, diagnostic and screening tests as serology should be part of routinely surveillance programs to be performed on tigers in zoological gardens located in endemic areas. Though only few protein-related laboratory abnormalities were recorded in infected animals, they could provide diagnostic clues for a first suspicion of L. infantum infection in tigers. Indeed, considering the high risk of zoonotic transmission in heavily frequented environment as zoos, a prompt diagnosis of L. infantum infection is of pivotal importance.
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