First epidemiological survey of Leishmania infantum in the domestic ferret (Mustela putorius furo) in a canine leishmaniosis endemic area using serology and PCR.
ELISA
Ferret
Leishmania infantum
PCR
Prevalence
Serology
Western blot
Journal
Parasites & vectors
ISSN: 1756-3305
Titre abrégé: Parasit Vectors
Pays: England
ID NLM: 101462774
Informations de publication
Date de publication:
17 Oct 2022
17 Oct 2022
Historique:
received:
08
05
2022
accepted:
29
09
2022
entrez:
17
10
2022
pubmed:
18
10
2022
medline:
20
10
2022
Statut:
epublish
Résumé
Leishmaniosis, a vector-borne disease caused by Leishmania infantum, is one of the most important parasitic zoonoses in Europe. The transmission cycle of leishmaniosis is maintained by both domestic and wild animals. However, few data are available on the role of wild mammals in transmitting the parasite in the European Mediterranean basin. As feline leishmaniosis, diagnosis of the infection in ferrets can be a challenge, the use of different serological and molecular methods combined is a recommended approach. Our aim was to investigate the prevalence of infection of L. infantum in apparently healthy domestic ferrets (Mustela putorius furo) in an endemic region of Spain (Community of Valencia), using serological and molecular methods and to evaluate the results comparing the different techniques. The prevalence of Leishmania infection was studied in domestic ferrets. Blood was collected from each animal for serology and molecular analysis. Two serological methods, enzyme-linked immunosorbent assay (ELISA) and western blot (WB), were used for the detection of L. infantum antibodies, and real-time polymerase chain reaction (qPCR) was used for the detection of L. infantum DNA. Blood samples from 102 apparently healthy ferrets were analyzed. In the serological study, 25.5% of the animals tested positive by western blot, and 9.0% by enzyme-linked immunosorbent assays. The seroprevalence of L. infantum infection, based on a positive result in any serological test, was 28.4% (95% confidence interval [CI] 20.6-S37.9%). No kinetoplast DNA (kDNA) was detected by qPCR in peripheral blood samples from the ferrets tested. The immunological response revealed by these tests indicates that the ferrets are exposed to repeated inoculations with the endemic parasite L. infantum. Although the low population of domestic ferrets means their reservoir potential is limited in the absence of a primary host, it would be of interest to carry out further studies using xenodiagnosis to determine whether they are accidental or reservoir host species capable of spreading infection.
Sections du résumé
BACKGROUND
BACKGROUND
Leishmaniosis, a vector-borne disease caused by Leishmania infantum, is one of the most important parasitic zoonoses in Europe. The transmission cycle of leishmaniosis is maintained by both domestic and wild animals. However, few data are available on the role of wild mammals in transmitting the parasite in the European Mediterranean basin. As feline leishmaniosis, diagnosis of the infection in ferrets can be a challenge, the use of different serological and molecular methods combined is a recommended approach. Our aim was to investigate the prevalence of infection of L. infantum in apparently healthy domestic ferrets (Mustela putorius furo) in an endemic region of Spain (Community of Valencia), using serological and molecular methods and to evaluate the results comparing the different techniques.
METHODS
METHODS
The prevalence of Leishmania infection was studied in domestic ferrets. Blood was collected from each animal for serology and molecular analysis. Two serological methods, enzyme-linked immunosorbent assay (ELISA) and western blot (WB), were used for the detection of L. infantum antibodies, and real-time polymerase chain reaction (qPCR) was used for the detection of L. infantum DNA.
RESULTS
RESULTS
Blood samples from 102 apparently healthy ferrets were analyzed. In the serological study, 25.5% of the animals tested positive by western blot, and 9.0% by enzyme-linked immunosorbent assays. The seroprevalence of L. infantum infection, based on a positive result in any serological test, was 28.4% (95% confidence interval [CI] 20.6-S37.9%). No kinetoplast DNA (kDNA) was detected by qPCR in peripheral blood samples from the ferrets tested.
CONCLUSIONS
CONCLUSIONS
The immunological response revealed by these tests indicates that the ferrets are exposed to repeated inoculations with the endemic parasite L. infantum. Although the low population of domestic ferrets means their reservoir potential is limited in the absence of a primary host, it would be of interest to carry out further studies using xenodiagnosis to determine whether they are accidental or reservoir host species capable of spreading infection.
Identifiants
pubmed: 36253813
doi: 10.1186/s13071-022-05517-y
pii: 10.1186/s13071-022-05517-y
pmc: PMC9575300
doi:
Substances chimiques
Antibodies, Protozoan
0
DNA, Kinetoplast
0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
372Informations de copyright
© 2022. The Author(s).
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