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Latrofa MS, Cereda M, Louzada-Flores VN, Dantas-Torres F, Otranto D. Q3 lab-on-chip real-time PCR for the diagnosis of Leishmania infantum infection in dogs. J Clin Microbiol 2024; 62:e0010424. [PMID: 38661386 PMCID: PMC11237631 DOI: 10.1128/jcm.00104-24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Accepted: 04/01/2024] [Indexed: 04/26/2024] Open
Abstract
Leishmaniasis is a vector-borne disease caused by many Leishmania spp. which infect humans and other mammalian hosts. Leishmania infantum is the main agent of canine leishmaniasis (CanL) whose diagnosis is usually confirmed by serological and molecular tests. This study aimed to evaluate the clinical and analytical sensitivities of a lab-on-chip (LOC) real-time PCR applied on the portable Q3-Plus V2 platform (Q3 qPCR) in the detection of L. infantum. The Q3 qPCR performance was assessed by comparing the quantification cycle (Cq) values with those obtained using the qPCR run on a CFX96 Real-Time System (CFX96 qPCR). A total of 173 DNA samples (extracted from bone marrow, lymph node, blood, buffy coat, conjunctival swab, and skin) as well as 93 non-extracted samples (NES) (bone marrow, lymph node, blood, and buffy coat) collected from dogs were tested with both systems. Serial dilutions of each representative DNA and NES sample were used to assess the analytical sensitivity of the Q3 qPCR system. Overlapping Cq values were obtained with the Q3 qPCR and CFX96 qPCR, both using DNA extracted from L. infantum promastigotes (limit of detection, <1 promastigote per milliliter) and from biological samples as well as with NES. However, the Q3 qPCR system showed a higher sensitivity in detecting L. infantum in NES as compared with the CFX96 qPCR. Our data indicate that the Q3 qPCR system could be a reliable tool for detecting L. infantum DNA in biological samples, bypassing the DNA extraction step, which represents an advance in the point-of-care diagnostic of CanL.
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Affiliation(s)
| | - Marco Cereda
- STMicroelectronics Srl, Agrate Brianza (MB), Italy
| | | | - Filipe Dantas-Torres
- Department of Veterinary Medicine, University of Bari, Bari, Italy
- Instituto Aggeu Magalhães, Fundação Oswaldo Cruz (Fiocruz), Recife, Pernambuco, Brazil
| | - Domenico Otranto
- Department of Veterinary Medicine, University of Bari, Bari, Italy
- Department of Veterinary Clinical Sciences, City University of Hong Kong, Kowloon Tong, Hong Kong
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Rajabi SA, Ownagh A, Hadian M. Genomic detection and phylogenetic analysis of Bartonella quintana in pet cats from Urmia City, Northwest Iran. Comp Immunol Microbiol Infect Dis 2024; 105:102125. [PMID: 38199070 DOI: 10.1016/j.cimid.2024.102125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2023] [Revised: 12/27/2023] [Accepted: 01/03/2024] [Indexed: 01/12/2024]
Abstract
The aim of this study was to investigate the presence and genetic characteristics of Bartonella quintana in pet cats from Urmia City, located in the northwest of Iran. Blood samples were collected from 200 cats, and their age, gender, and breed were noted. Nested-PCR and sequencing were used to identify B. quintana in positive samples, and the ftsZ gene sequences were analyzed using BioEdit software. The gene sequence obtained in this study exhibited 100.00 % similarity to reference sequences in the GenBank® database, and a phylogenetic tree was constructed using MEGA11. The results revealed that 15 % of the cats (30 out of 200 blood samples) tested positive for the B. quintana gene, with a 95 % confidence interval of 10.71 % to 20.61 %.
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Affiliation(s)
- Sima Alempour Rajabi
- Department of Microbiology, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran
| | - Abdolghaffar Ownagh
- Department of Microbiology, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran.
| | - Mojtaba Hadian
- Department of Clinical Science, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran
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Bento MF, de Souza GS, Vieira BS, da Silva ÂA, Krawczak FDS, de Moura VMBD. Sensitivity of PCR in conjunctival swab samples for the diagnosis of canine visceral leishmaniasis: a systematic review and meta-analysis. REVISTA BRASILEIRA DE PARASITOLOGIA VETERINARIA = BRAZILIAN JOURNAL OF VETERINARY PARASITOLOGY : ORGAO OFICIAL DO COLEGIO BRASILEIRO DE PARASITOLOGIA VETERINARIA 2023; 32:e009423. [PMID: 38018627 PMCID: PMC10704863 DOI: 10.1590/s1984-29612023063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 09/11/2023] [Indexed: 11/30/2023]
Abstract
To compare the sensitivity of conjunctival swab (CS) and conventional samples (blood, spleen, liver, lymphoid and cutaneous tissue) in the diagnosis of canine visceral leishmaniasis (CVL) by polymerase chain reaction (PCR), a systematic review and meta-analysis was carried out using PubMed, Science Direct, Scopus, Web of Science, VHL/BVS (Virtual Health Library), CAPES, and Scielo databases. Articles published from 2002 to 2022 were considered and the review was updated in Jul 2023. From the total of 371 identified studies, 8 met all the eligibility criteria and were included in this review. Data from 658 CVL-positive dogs and 2541 PCR results were considered. Using a random effect model, data on the sensitivity of the test was compared between intervention (CS samples) and comparison (all the other samples) groups. Overall, the use of CS in the PCR diagnosis of CVL produced 12% higher sensitivity (p=0.013) in the test than all the other samples in combination. The animals' clinical condition did not influence (p>0.142) this overall result. However, when CS was individually compared to each of the conventional samples, the consistent result was observed (p=0.012) only in the CS versus bone marrow comparison. Given their rapid acquisition, minimal invasiveness, and lower cost relative to conventional samples, CS samples present a promising alternative for the molecular diagnosis of CVL.
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Affiliation(s)
- Mariana Fagundes Bento
- Setor de Patologia Animal, Departamento de Medicina Veterinária, Escola de Veterinária e Zootecnia, Universidade Federal de Goiás – UFG, Goiânia, GO, Brasil
| | - Gabriela Scarpin de Souza
- Setor de Patologia Animal, Departamento de Medicina Veterinária, Escola de Veterinária e Zootecnia, Universidade Federal de Goiás – UFG, Goiânia, GO, Brasil
| | - Bruno Serpa Vieira
- Departamento de Zootecnia, Instituto Federal de Mato Grosso – IFMT, Alta Floresta, MT, Brasil
| | - Ângela Adamski da Silva
- Laboratório de Patologia Molecular, Instituto de Ciências Biológicas, Universidade Federal de Goiás – UFG, Goiânia, GO, Brasil
| | - Felipe da Silva Krawczak
- Setor de Medicina Veterinária Preventiva, Departamento de Medicina Veterinária, Escola de Veterinária e Zootecnia, Universidade Federal de Goiás – UFG, Goiânia, GO, Brasil
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Villanueva-Saz S, Martínez M, Nijhof AM, Gerst B, Gentil M, Müller E, Fernández A, González A, Yusuf MSM, Greco G, Verde M, Sgroi G, Lacasta D, Marteles D, Trotta M, Schäfer I. Molecular survey on vector-borne pathogens in clinically healthy stray cats in Zaragoza (Spain). Parasit Vectors 2023; 16:428. [PMID: 37986028 PMCID: PMC10662132 DOI: 10.1186/s13071-023-06046-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Accepted: 11/06/2023] [Indexed: 11/22/2023] Open
Abstract
BACKGROUND In Europe, feline vector-borne infections are gaining importance because of the changing climate, expanding habitats of potential vectors and expanding pathogen reservoirs. The main objective of this study was to assess the prevalence of vector-borne pathogens (VBPs) in stray cats in Zaragoza, Spain, and to investigate potential risk factors for infection, including feline leukaemia virus (FeLV) and feline immunodeficiency virus (FIV). METHODS Blood samples from stray cats presented to the veterinary faculty in Zaragoza between February 2020 and 2022 were tested by polymerase chain reaction (PCR) for the presence of Anaplasma phagocytophilum, Anaplasma platys, Bartonella henselae, Ehrlichia canis, Rickettsia spp., haemotropic Mycoplasma spp., Hepatozoon spp., Leishmania infantum, piroplasms and microfilariae at the LABOKLIN laboratory. The cats were also tested for FeLV and FIV by PCR. RESULTS Nearly half of the cats (158/332, 47.6%) were positive for at least one VBP. Hepatozoon spp. were detected in 25.6%, haemotropic Mycoplasma spp. in 22.9%, B. henselae in 9.3% and L. infantum in 2.1% of the cats. Male sex had a statistically significant association with test results for haemotropic Mycoplasma spp. (odds ratio 1.38 [1.21;1.57]); regionality with Hepatozoon spp., B. henseale and FIV; and seasonality with Hepatozoon spp., haemotropic Mycoplasma spp., L. infantum and FeLV (P ≤ 0.05 each). A strong positive correlation was reported for the amount of rainfall and the number of cats that tested positive for Hepatozoon spp. (ρ = 753, P = 0.05). None of the cats tested positive for A. phagocytophilum, A. platys, E. canis, Rickettsia spp., piroplasms, or microfilariae. Co-infections with multiple VBPs were detected in 56 out of 332 cats (16.9%). Thirty-one of the 332 cats included in the study (9.3%) tested positive for FeLV (6.9%) and for FIV (3.6%). In 20/31 cats (64.5%) that tested positive for FeLV/FIV, coinfections with VBP were detected (P = 0.048, OR 2.15 [0.99; 4.64]). CONCLUSIONS VBPs were frequently detected in stray cats in Zaragoza. In particular, regionality and seasonality had a statistically significant association with PCR results for most VBPs included in the study.
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Affiliation(s)
- Sergio Villanueva-Saz
- Immunology Laboratory, Zaragoza Veterinary Faculty, Zaragoza University, Miguel Servet 177, 50013, Zaragoza, Spain.
- Animal Pathology Department, Zaragoza Veterinary Faculty, Zaragoza University, Miguel Servet 177, 50013, Zaragoza, Spain.
- Instituto Agroalimentario de Aragón‑IA2 (Universidad de Saragossa‑CITA), Zaragoza University, Miguel Servet 177, 50013, Zaragoza, Spain.
| | - Marivi Martínez
- Immunology Laboratory, Zaragoza Veterinary Faculty, Zaragoza University, Miguel Servet 177, 50013, Zaragoza, Spain
- Animal Pathology Department, Zaragoza Veterinary Faculty, Zaragoza University, Miguel Servet 177, 50013, Zaragoza, Spain
| | - Ard M Nijhof
- Institute for Parasitology and Tropical Veterinary Medicine, Freie Universität Berlin, Robert-Von-Ostertag-Straße 7, 14163, Berlin, Germany
- Veterinary Centre for Resistance Research, Freie Universität Berlin, 14163, Berlin, Germany
| | - Bastian Gerst
- Institute for Parasitology and Tropical Veterinary Medicine, Freie Universität Berlin, Robert-Von-Ostertag-Straße 7, 14163, Berlin, Germany
- Veterinary Centre for Resistance Research, Freie Universität Berlin, 14163, Berlin, Germany
| | - Michaela Gentil
- LABOKLIN GmbH and Co. KG, Steubenstraße 4, 97688, Bad Kissingen, Germany
| | - Elisabeth Müller
- LABOKLIN GmbH and Co. KG, Steubenstraße 4, 97688, Bad Kissingen, Germany
| | - Antonio Fernández
- Immunology Laboratory, Zaragoza Veterinary Faculty, Zaragoza University, Miguel Servet 177, 50013, Zaragoza, Spain
- Animal Pathology Department, Zaragoza Veterinary Faculty, Zaragoza University, Miguel Servet 177, 50013, Zaragoza, Spain
| | - Ana González
- Hospital Veterinario Universidad de Zaragoza, Zaragoza University, Miguel Servet 177, 50013, Zaragoza, Spain
| | - Mohamed Sh Mohamud Yusuf
- Department of Veterinary Medicine, University of Bari "Aldo Moro", 70010, Valenzano, Metropolitan City of Bari, Italy
| | - Grazia Greco
- Department of Veterinary Medicine, University of Bari "Aldo Moro", 70010, Valenzano, Metropolitan City of Bari, Italy
| | - Maite Verde
- Immunology Laboratory, Zaragoza Veterinary Faculty, Zaragoza University, Miguel Servet 177, 50013, Zaragoza, Spain
- Animal Pathology Department, Zaragoza Veterinary Faculty, Zaragoza University, Miguel Servet 177, 50013, Zaragoza, Spain
- Instituto Agroalimentario de Aragón‑IA2 (Universidad de Saragossa‑CITA), Zaragoza University, Miguel Servet 177, 50013, Zaragoza, Spain
| | - Giovanni Sgroi
- Department of Animal Health, Experimental Zooprophylatic Institute of Southern Italy, Portici, 80055, Naples, Italy
| | - Delia Lacasta
- Immunology Laboratory, Zaragoza Veterinary Faculty, Zaragoza University, Miguel Servet 177, 50013, Zaragoza, Spain
- Animal Pathology Department, Zaragoza Veterinary Faculty, Zaragoza University, Miguel Servet 177, 50013, Zaragoza, Spain
- Instituto Agroalimentario de Aragón‑IA2 (Universidad de Saragossa‑CITA), Zaragoza University, Miguel Servet 177, 50013, Zaragoza, Spain
| | - Diana Marteles
- Immunology Laboratory, Zaragoza Veterinary Faculty, Zaragoza University, Miguel Servet 177, 50013, Zaragoza, Spain
- Animal Pathology Department, Zaragoza Veterinary Faculty, Zaragoza University, Miguel Servet 177, 50013, Zaragoza, Spain
- Instituto Agroalimentario de Aragón‑IA2 (Universidad de Saragossa‑CITA), Zaragoza University, Miguel Servet 177, 50013, Zaragoza, Spain
| | - Michele Trotta
- Immunology Laboratory, Zaragoza Veterinary Faculty, Zaragoza University, Miguel Servet 177, 50013, Zaragoza, Spain
| | - Ingo Schäfer
- LABOKLIN GmbH and Co. KG, Steubenstraße 4, 97688, Bad Kissingen, Germany.
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Spada E, Castelli G, Bruno F, Vitale F, La Russa F, Biondi V, Accettulli S, Migliazzo A, Rossi A, Perego R, Baggiani L, Proverbio D. FeliLeish: An Update on Feline Leishmaniosis and Factors Associated with Infection in Different Feline Populations from Italy. Pathogens 2023; 12:1351. [PMID: 38003815 PMCID: PMC10674793 DOI: 10.3390/pathogens12111351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 11/08/2023] [Accepted: 11/12/2023] [Indexed: 11/26/2023] Open
Abstract
Feline leishmaniosis is a worldwide infection caused by the parasite of the genus Leishmania transmitted by sandflies. Based on the complexity of epidemiology and diagnosis of this infection, the role of cats in the epidemiology and clinical impact of disease is still under debate. By using serological and molecular methods, this study aimed to update the epidemiology of the infection in different feline populations from various areas of Italy and to study factors associated with the infection. Of 1490 cats tested, 124 (8.3%, 95% CI 6.9-9.9) were infected, 96 had only specific L. infantum IgG, 18 were only positive for parasite DNA and 10 were both IFAT and qPCR positive. Risk factors for infection were sampling in the winter season (OR = 3.2, 95% CI 2.2-4.8), originating from the Sicily region (OR = 2.0, 95% CI 1.3-3.0), male gender (OR = 1.8, 95% CI 1.1-3.2), outdoor lifestyle (OR = 2.3, 95% CI 0.9-5.6) and seropositivity for FIV antibodies (OR = 2.2, 95% CI 1.2-4.2), while sampling in the spring (OR = 0.5, 95% CI 0.3-0.7) and summer (OR = 0.3, 95% CI 0.1-0.7), and originating from the Lazio region (OR = 0.1, 95% CI 0.05-0.4) were protective factors for infection. In endemic areas, Leishmania infection should be investigated by using both serological and molecular methods and cats should be protected from sandfly bites, particularly if they are FIV infected.
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Affiliation(s)
- Eva Spada
- Dipartimento di Medicina Veterinaria e Scienze Animali (DIVAS), Università degli Studi di Milano, Via dell’Università 6, 26900 Lodi, Italy (L.B.); (D.P.)
| | - Germano Castelli
- Centro di Referenza Nazionale per le Leishmaniosi (C.Re.Na.L), Istituto Zooprofilattico Sperimentale (IZS) della Sicilia A. Mirri, Via G. Marinuzzi 3, 90129 Palermo, Italy; (G.C.); (F.B.); (F.V.); (F.L.R.); (S.A.)
| | - Federica Bruno
- Centro di Referenza Nazionale per le Leishmaniosi (C.Re.Na.L), Istituto Zooprofilattico Sperimentale (IZS) della Sicilia A. Mirri, Via G. Marinuzzi 3, 90129 Palermo, Italy; (G.C.); (F.B.); (F.V.); (F.L.R.); (S.A.)
| | - Fabrizio Vitale
- Centro di Referenza Nazionale per le Leishmaniosi (C.Re.Na.L), Istituto Zooprofilattico Sperimentale (IZS) della Sicilia A. Mirri, Via G. Marinuzzi 3, 90129 Palermo, Italy; (G.C.); (F.B.); (F.V.); (F.L.R.); (S.A.)
| | - Francesco La Russa
- Centro di Referenza Nazionale per le Leishmaniosi (C.Re.Na.L), Istituto Zooprofilattico Sperimentale (IZS) della Sicilia A. Mirri, Via G. Marinuzzi 3, 90129 Palermo, Italy; (G.C.); (F.B.); (F.V.); (F.L.R.); (S.A.)
| | - Vito Biondi
- Department of Veterinary Sciences, University of Messina, Polo SS. Annunziata, 98122 Messina, Italy;
| | - Sara Accettulli
- Centro di Referenza Nazionale per le Leishmaniosi (C.Re.Na.L), Istituto Zooprofilattico Sperimentale (IZS) della Sicilia A. Mirri, Via G. Marinuzzi 3, 90129 Palermo, Italy; (G.C.); (F.B.); (F.V.); (F.L.R.); (S.A.)
| | - Antonella Migliazzo
- Dipartimento di Prevenzione UOC Sanità Animale, Igiene degli Allevamenti e delle Produzioni Zootecniche, ASL Latina, 04100 Latina, Italy;
| | - Aurora Rossi
- Dipartimento di Medicina Veterinaria e Scienze Animali (DIVAS), Università degli Studi di Milano, Via dell’Università 6, 26900 Lodi, Italy (L.B.); (D.P.)
| | - Roberta Perego
- Dipartimento di Medicina Veterinaria e Scienze Animali (DIVAS), Università degli Studi di Milano, Via dell’Università 6, 26900 Lodi, Italy (L.B.); (D.P.)
| | - Luciana Baggiani
- Dipartimento di Medicina Veterinaria e Scienze Animali (DIVAS), Università degli Studi di Milano, Via dell’Università 6, 26900 Lodi, Italy (L.B.); (D.P.)
| | - Daniela Proverbio
- Dipartimento di Medicina Veterinaria e Scienze Animali (DIVAS), Università degli Studi di Milano, Via dell’Università 6, 26900 Lodi, Italy (L.B.); (D.P.)
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Hartmann G, Roman IJ, Lorenzetti DM, Herbichi AP, Mazaro RD, Dos Santos MY, Tonin AA, Vogel FSF, Fighera RA. Anti-Leishmania spp. antibody detection in domestic cats from a visceral leishmaniasis transmission area. Parasitol Res 2023; 122:2631-2639. [PMID: 37668713 DOI: 10.1007/s00436-023-07961-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Accepted: 08/30/2023] [Indexed: 09/06/2023]
Abstract
Feline leishmanial infection is reported worldwide, but the epidemiological role of domestic cats in the leishmaniasis cycle remains unclear, and cats might act as cryptic reservoir hosts in endemic areas with no feline leishmaniosis cases. Considering that, a serological screening for anti-Leishmania spp. antibodies was performed by indirect immunofluorescence antibody test (IFAT) in 389 necropsied cats' serum samples from a new visceral leishmaniasis transmission area with no feline leishmanial infection reported to unveil if the cats are being exposed to the parasite. The overall seroprevalence for Leishmania spp. was 11.05% (43/389). No association was found between sex, neutering status, age group, breed, coat length, feline immunodeficiency virus (FIV) infection, and Leishmania spp. antibody detection. A positive association was found with coat color (cats within the orange spectrum with white [particolor]) (OR = 2.47, CI 95% 1 - 6.13, P = 0.044) and a negative association (OR = 0.38, CI 95% 0.18 - 0.79, P = 0.01) between feline leukemia virus (FeLV) infection and IFAT positivity for Leishmania spp. Therefore, it is concluded that the seroprevalence found was greater than 10%, indicating contact of the protozoan with cats in the region served.
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Affiliation(s)
- Gabriela Hartmann
- Laboratório de Patologia Veterinária (LPV), Departamento de Patologia, Centro de Ciências da Saúde (CCS), Universidade Federal de Santa Maria (UFSM), Av. Roraima, 1000, Building 97B, Bairro Camobi, Santa Maria, RS, 97105-900, Brazil.
| | - Isac Junior Roman
- Laboratório de Doenças Parasitárias (LADOPAR), Departamento de Medicina Veterinária Preventiva (DMVP), Centro de Ciências Rurais (CCR), Universidade Federal de Santa Maria (UFSM), Av. Roraima, 1000, Building 63C, Bairro Camobi, Santa Maria, RS, 97105-900, Brazil
| | - Douglas Miotto Lorenzetti
- Laboratório de Patologia Veterinária (LPV), Departamento de Patologia, Centro de Ciências da Saúde (CCS), Universidade Federal de Santa Maria (UFSM), Av. Roraima, 1000, Building 97B, Bairro Camobi, Santa Maria, RS, 97105-900, Brazil
| | - Alana Pivoto Herbichi
- Laboratório de Patologia Veterinária (LPV), Departamento de Patologia, Centro de Ciências da Saúde (CCS), Universidade Federal de Santa Maria (UFSM), Av. Roraima, 1000, Building 97B, Bairro Camobi, Santa Maria, RS, 97105-900, Brazil
| | - Renata Dalcol Mazaro
- Laboratório de Patologia Veterinária (LPV), Departamento de Patologia, Centro de Ciências da Saúde (CCS), Universidade Federal de Santa Maria (UFSM), Av. Roraima, 1000, Building 97B, Bairro Camobi, Santa Maria, RS, 97105-900, Brazil
| | - Matheus Yuri Dos Santos
- Laboratório de Patologia Veterinária (LPV), Departamento de Patologia, Centro de Ciências da Saúde (CCS), Universidade Federal de Santa Maria (UFSM), Av. Roraima, 1000, Building 97B, Bairro Camobi, Santa Maria, RS, 97105-900, Brazil
| | - Alexandre Alberto Tonin
- Colégio Politécnico da Universidade Federal de Santa Maria (UFSM), Av. Roraima, 1000, Bairro Camobi, Santa Maria, RS, 97105-900, Brazil
| | - Fernanda Silveira Flôres Vogel
- Laboratório de Doenças Parasitárias (LADOPAR), Departamento de Medicina Veterinária Preventiva (DMVP), Centro de Ciências Rurais (CCR), Universidade Federal de Santa Maria (UFSM), Av. Roraima, 1000, Building 63C, Bairro Camobi, Santa Maria, RS, 97105-900, Brazil
| | - Rafael Almeida Fighera
- Laboratório de Patologia Veterinária (LPV), Departamento de Patologia, Centro de Ciências da Saúde (CCS), Universidade Federal de Santa Maria (UFSM), Av. Roraima, 1000, Building 97B, Bairro Camobi, Santa Maria, RS, 97105-900, Brazil
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7
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Carbonara M, Iatta R, Sgroi G, Papadopoulos E, Lima C, Bouhsira E, Miró G, Nachum-Biala Y, Baneth G, Otranto D. Hepatozoon species infecting domestic cats from countries of the Mediterranean basin. Ticks Tick Borne Dis 2023; 14:102192. [PMID: 37201249 DOI: 10.1016/j.ttbdis.2023.102192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 04/12/2023] [Accepted: 04/26/2023] [Indexed: 05/20/2023]
Abstract
Tick-borne diseases (TBDs) are caused by pathogens of human and veterinary concern representing a major public health issue worldwide. Although feline medicine has progressed much in the recent decades, data on feline TBDs (FeTBDs) remain scant. Therefore, this study aimed to assess the prevalence of apicomplexan parasite infections, associated risk factors and clinical-hematological abnormalities in domestic feline populations from countries of the Mediterranean basin. Blood and serum samples from cats (n = 600) living in France, Greece, Israel, Italy, Portugal and Spain were collected along with animal data (i.e., age, sex, breed, housing conditions and geographical origin), clinical signs and laboratory blood test parameters. Cats were grouped according to their age as kitten (up to one year), young (between one and six years), mature (between seven and ten years) and senior (older than ten years). Blood samples were tested for Hepatozoon spp. and piroplasmids by conventional PCR targeting 18S rRNA gene. The overall prevalence of Hepatozoon spp. infection was 14.5%, being significantly higher in cats from Greece (30%) and Portugal (23%), followed by Spain (15%), Israel (15%) and France (4%). Cats from Italy scored negative. Hepatozoon felis was identified in 86 animals, with three different sequence types and H. silvestris was detected in one shelter cat from Portugal. No piroplasmid DNA was amplified. The risk of Hepatozoon spp. infection was related to feline geographical provenience, housing condition and age. No statistical correlation was reported with any clinical signs, while increased alanine aminotransferase (ALT) activity was the only laboratory abnormality significantly associated (p = 0.03) with the infection. Data suggest a high circulation of H. felis, and only occasionally of H. silvestris, within domestic feline populations in the Mediterranean basin, mainly in shelter or free roaming and young cats with asymptomatic or subclinical infection.
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Affiliation(s)
- Mariaelisa Carbonara
- Department of Veterinary Medicine, University of Bari Aldo Moro, Valenzano, Bari 70010, Italy
| | - Roberta Iatta
- Interdisciplinary Department of Medicine, University of Bari, Italy
| | - Giovanni Sgroi
- Department of Veterinary Medicine, University of Bari Aldo Moro, Valenzano, Bari 70010, Italy
| | - Elias Papadopoulos
- Department of Infectious and Parasitic Diseases and Pathology, School of Veterinary Medicine, Aristotle University of Thessaloniki, Greece
| | - Clara Lima
- Department of Biological Sciences, Microbiology Laboratory, Faculty of Pharmacy, University of Porto, Portugal
| | - Emilie Bouhsira
- Ecole Nationale Vétérinaire de Toulouse, InTheres, Université de Toulouse, INRAE, ENVT, Toulouse, France
| | - Guadalupe Miró
- Animal Health Department, Veterinary Faculty, Universidad Complutense de Madrid, Madrid, Spain
| | | | - Gad Baneth
- School of Veterinary Medicine, Hebrew University, Rehovot, Israel
| | - Domenico Otranto
- Department of Veterinary Medicine, University of Bari Aldo Moro, Valenzano, Bari 70010, Italy; Department of Pathobiology, Faculty of Veterinary Science, Bu-Ali Sina University, Hamedan, Iran.
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Grillini M, Beraldo P, Frangipane di Regalbono A, Dotto G, Tessarin C, Franzo G, Marchiori E, Modrý D, Simonato G. Molecular survey of Cytauxzoon spp. and Hepatozoon spp. in felids using a novel real-time PCR approach. Front Vet Sci 2023; 10:1113681. [PMID: 37377952 PMCID: PMC10291185 DOI: 10.3389/fvets.2023.1113681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Accepted: 05/18/2023] [Indexed: 06/29/2023] Open
Abstract
Tick-transmitted apicomplexans of the genera Cytauxzoon and Hepatozoon affect a wide range of felids worldwide, but little is known about them. Recently, several studies addressed the species circulating in Europe, their distribution, and their hosts. Molecular assays are the method of choice for their detection. Unfortunately, conventional PCRs already described are time- and cost-consuming and specific for either Hepatozoon or Cytauxzoon detection. This study was developed to evaluate (i) the occurrence of Cytauxzoon and Hepatozoon in felids using a fast and cost-saving real-time PCR capable of detecting both protozoa simultaneously, (ii) the distribution of Cytauxzoon and Hepatozoon species in north-eastern Italy, and (iii) the involvement of other susceptible felid hosts in the same area. An SYBR® Green-based real-time PCR with primers targeting the 18S-rRNA was validated and applied to 237 felid samples, i.e., whole blood from 206 domestic cats and 12 captive exotic felids, and tissues from 19 wildcats. Positive results were obtained by melting temperature curve analysis due to the specific melting peak (i.e., 81°C Cytauxzoon spp.; 78-78.5°C Hepatozoon spp.). Positive samples were subjected to conventional PCR, followed by sequencing for species identification. Phylogenetic analyses were performed to assess relatedness among European isolates. Data on domestic cats (age class, sex, origin, management, and lifestyle) were recorded, and statistical analyses were performed to identify potential risk factors. A total of 31 (15%) domestic cats were positive for Hepatozoon spp. (i.e., 12 for H. felis, 19 for H. silvestris), while six (2.9%) for C. europaeus. The prevalence of Hepatozoon felis was significantly (p < 0.05) higher in domestic cats, while H. silvestris was higher in strays and animals from the Eastern region (i.e., Friuli-Venezia Giulia). Cytauxzoon europaeus was detected only in stray cats from Friuli-Venezia Giulia (province of Trieste). Among captive felids, one tiger was infected with H. felis and another with H. silvestris; eight out of 19 (42%) wildcats were positive for Hepatozoon spp. (i.e., six with H. felis, two with H. silvestris) and four out of 19 (21%) for Cytauxzoon europaeus. Outdoor lifestyle and origin (i.e., Friuli-Venezia Giulia region) were the most relevant risk factors for H. silvestris and C. europeus infections. Conversely, H. felis was most frequently isolated from domestic cats, suggesting different modes of transmission.
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Affiliation(s)
- Marika Grillini
- Department of Animal Medicine, Production and Health, University of Padua, Padua, Italy
| | - Paola Beraldo
- Department of Agricultural, Food, Environmental and Animal Sciences, University of Udine, Udine, Italy
| | | | - Giorgia Dotto
- Department of Animal Medicine, Production and Health, University of Padua, Padua, Italy
| | - Cinzia Tessarin
- Department of Animal Medicine, Production and Health, University of Padua, Padua, Italy
| | - Giovanni Franzo
- Department of Animal Medicine, Production and Health, University of Padua, Padua, Italy
| | - Erica Marchiori
- Department of Animal Medicine, Production and Health, University of Padua, Padua, Italy
| | - David Modrý
- Department of Veterinary Sciences, Faculty of Agrobiology, Food and Natural Resources/CINeZ, Czech University of Life Sciences Prague, Prague, Czechia
- Department of Botany and Zoology, Faculty of Science, Masaryk University, Brno, Czechia
- Institute of Parasitology, Biology Centre CAS, České Budějovice, Czechia
| | - Giulia Simonato
- Department of Animal Medicine, Production and Health, University of Padua, Padua, Italy
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Schäfer I, Schmidt A, Gräßer F, Schieszler A, Aupperle-Lellbach H, Loesenbeck G, Gentil M, Müller E, Naucke TJ. Feline leishmaniosis with focus on ocular manifestation: a case report. Parasit Vectors 2023; 16:161. [PMID: 37173777 PMCID: PMC10176290 DOI: 10.1186/s13071-023-05741-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2023] [Accepted: 03/15/2023] [Indexed: 05/15/2023] Open
Abstract
BACKGROUND In Europe, feline leishmaniosis is commonly caused by Leishmania infantum. There is little knowledge regarding pathogenesis, ocular manifestations and long-term follow-ups in cats with leishmaniosis. FINDINGS A 6-year-old female, spayed European Shorthair cat was imported from Spain to Germany 2 years prior to its first clinical presentation. The cat showed lethargy, weight loss, ulcerative lesions on the front limbs and high-grade chronic uveitis. The diagnosis of L. infantum infection was based on the cytological finding of amastigotes in skin lesions, positive qPCR of EDTA-blood and positive PCR of a cyto-brush sample from the conjunctiva. Supportive findings included positive serology by IFAT, serum protein capillary electrophoresis with peaks in alpha2- and gamma-globulin sections and marked elevation of SAA. Enucleation had to be performed on day 288 on both eyes because of blindness, glaucoma and high-grade uveitis. Histologically, high numbers of Leishmania spp. amastigotes were found in histiocytes. IFAT and PCR were positive in the aqueous humor in both eyes, respectively. Feline leukemia virus antigen and feline immunodeficiency virus antibody testings were positive. Hematological and biochemical results revealed mild leukocytosis with lymphocytosis, monocytosis and eosinopenia as well as marked elevation of SAA and hyperglobulinemia. The cat was treated with allopurinol, responded well and was still alive at follow-up on day 288 after first presentation. However, enucleation was necessary because of refractory glaucoma and uveitis. CONCLUSION: For the first time, ocular evidence of Leishmania IgG antibodies was demonstrated in the aqueous humor of both eyes in cats. There is limited knowledge about the pathogenesis, treatment options and outcomes in cats infected with L. infantum. This case report supports the hypothesis that immunosuppression increases the risk of clinical signs of leishmaniasis in cats. Alpha2- and gamma-globulin peaks in serum protein capillary electrophoresis are supportive criteria for the diagnosis of L. infantum infection. SAA is valuable for monitoring. Regarding ophthalmology, uveitis and glaucoma may have a poor prognosis.
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Affiliation(s)
- Ingo Schäfer
- LABOKLIN GmbH and Co. KG, Bad Kissingen, Germany.
| | - Albert Schmidt
- Small Animal Practice Dr. Fritz Gräßer, Großostheim, Germany
| | - Fritz Gräßer
- Small Animal Practice Dr. Fritz Gräßer, Großostheim, Germany
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10
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Melo TBD, Silva TRM, Almeida TLACD, Tutija JF, Silva AOD, Lira MDS, Amorim D, Giannelli A, Ramos CADN, Alves LC, Carvalho GAD, Ramos RAN. Molecular detection of vector-borne pathogens in cats tested for FIV and FeLV. VETERINARY PARASITOLOGY: REGIONAL STUDIES AND REPORTS 2023; 40:100857. [PMID: 37068860 DOI: 10.1016/j.vprsr.2023.100857] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 11/08/2022] [Accepted: 03/09/2023] [Indexed: 03/18/2023]
Abstract
The aim of this study was to detect molecularly vector borne pathogens (VBPs) in domiciled cats tested for Feline immunodeficiency virus (FIV) and Feline leukemia virus (FeLV). Blood samples (n = 119) were analyzed microscopically and molecularly through PCR and sequenced for the detection of the following pathogens: piroplasmids., Bartonella henselae, Cytauxzoon felis, Ehrlichia canis, Leishmania spp., hemotropic Mycoplasma spp., Trypanosoma spp., and Ricketssia spp. Animals were also serological assessed for detection of antibodies against FIV and FeLV. Out of all animals, 20.16% (24/119) tested positive for at least one VBPs at molecular examination. Conversely, no animal resulted positive at microscopic analysis. The most prevalent pathogen was hemotropic Mycoplasma haemofelis (8.40%; 10/119), followed by Candidatus Mycoplasma haemominutum (5.88%; 7/119), E. canis (5.04%; 6/119), C. felis (0.84%; 1/119) and B. henselae (0.84%; 1/119). One animal (0.84%; 1/119) was co-infected with. E. canis and B. henselae. A total of 5.88% (7/119) and 1.68% (2/119) tested positive for FIV and FeLV, respectively. Data of this study demonstrate that owned cats can be at risk of hemotropic Mycoplasma spp., E. canis, C. felis and B. henselae. Therefore, preventive measures against vectors of these pathogens should be implemented in order to reduce the risk of exposition and consequently infection. Additionally, aggressive behaviors among cats should be avoided, especially because hemotropic Mycoplasma spp. may be transmitted through the bite of animals.
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Affiliation(s)
- Thyara Bezerra de Melo
- Graduate Program of Animal Bioscience, Federal Rural University of Pernambuco, Recife, Brazil
| | - Tatiene Rossana Mota Silva
- Graduate Program of Animal Bioscience, Federal Rural University of Pernambuco, Recife, Brazil; Laboratory of Parasitology, Federal University of the Agreste of Pernambuco, Garanhuns, Brazil
| | | | - Juliane Franciele Tutija
- Faculty of Veterinary and Animal Sciences, Federal University of Mato Grosso do Sul, Campo Grande, Brazil
| | - Angélica Oliveira da Silva
- Faculty of Veterinary and Animal Sciences, Federal University of Mato Grosso do Sul, Campo Grande, Brazil
| | | | | | | | | | - Leucio Câmara Alves
- Department of Veterinary Medicine, Federal Rural University of Pernambuco, Recife, Brazil
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11
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Tuska-Szalay B, Boldogh SA, Farkas R, Rompos L, Takács N, Beresnyák V, Izsó Á, Kontschán J, Lanszki J, Hornok S. Screening of Domestic Cats from North-Eastern Hungary for Hepatozoon felis and Cytauxzoon europaeus That Cause Infections in Local Wildcat Populations. Pathogens 2023; 12:pathogens12050656. [PMID: 37242326 DOI: 10.3390/pathogens12050656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 04/21/2023] [Accepted: 04/24/2023] [Indexed: 05/28/2023] Open
Abstract
Among vector-borne protozoa Hepatozoon felis and Cytauxzoon europaeus are considered emerging species in felids in Europe. To investigate the presence of these two protozoa 127 domestic cats and 4 wildcats were screened by PCRs targeting the 18S rRNA gene of Hepatozoon spp. and piroplasms, as well as the cytb gene of Cytauxzoon spp. The samples were collected inside and outside a region of Hungary, where both protozoan groups are endemic in wildcats. Among domestic cats, one proved to be infected with H. felis. Furthermore, spleen samples of four wildcats were also examined, among which three tested positive for H. felis, and one had co-infection with C. europaeus. Importantly, H. felis from the co-infected wildcat belonged to genogroup II, similarly to H. felis from the positive domestic cat. Based on phylogenetic evidence, this genogroup probably represents a separate species from genogroup I of H. felis, which was hitherto reported from Mediterranean countries in Europe. The two other wildcats also harbored H. felis from genogroup I. Neither Hepatozoon nor Cytauxzoon infections were detected outside the recently discovered endemic region. In conclusion, this study demonstrates for the first time in Europe that H. felis from genogroup II may emerge in free-roaming domestic cats in regions where this protozoan parasite is endemic in wildcats.
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Affiliation(s)
- Barbara Tuska-Szalay
- Department of Parasitology and Zoology, University of Veterinary Medicine, 1078 Budapest, Hungary
| | - Sándor A Boldogh
- Department of Nature Conservation, Aggtelek National Park Directorate, 3758 Jósvafő, Hungary
| | - Róbert Farkas
- Department of Parasitology and Zoology, University of Veterinary Medicine, 1078 Budapest, Hungary
| | - Luca Rompos
- Department of Parasitology and Zoology, University of Veterinary Medicine, 1078 Budapest, Hungary
| | - Nóra Takács
- Department of Parasitology and Zoology, University of Veterinary Medicine, 1078 Budapest, Hungary
- ELKH-ÁTE Climate Change: New Blood-Sucking Parasites and Vector-Borne Pathogens Research Group, 1078 Budapest, Hungary
| | | | - Ádám Izsó
- Department of Ranger Service, 3758 Jósvafő, Hungary
| | - Jenő Kontschán
- Plant Protection Institute, Centre for Agricultural Research, ELKH, 1022 Budapest, Hungary
- Department of Plant Sciences, Albert Kázmér Faculty of Mosonmagyaróvár, Széchenyi István University, 9200 Mosonmagyaróvár, Hungary
| | - József Lanszki
- Fish and Conservation Ecology Research Group, Balaton Limnological Research Institute, ELKH, 8237 Tihany, Hungary
| | - Sándor Hornok
- Department of Parasitology and Zoology, University of Veterinary Medicine, 1078 Budapest, Hungary
- ELKH-ÁTE Climate Change: New Blood-Sucking Parasites and Vector-Borne Pathogens Research Group, 1078 Budapest, Hungary
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12
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Zarea AAK, Tempesta M, Fouad EA, Ndiana LA, Mahmoud MS, Mrenoshki D, Martella V, Decaro N, Chomel B, Greco G. Prevalence of Bartonella spp., haemotropic Mycoplasma spp. and others vector-borne pathogens in private-owned dogs and cats, Egypt. Acta Trop 2023; 240:106857. [PMID: 36775003 DOI: 10.1016/j.actatropica.2023.106857] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 01/31/2023] [Accepted: 02/01/2023] [Indexed: 02/12/2023]
Abstract
Vector-borne pathogens have been increasingly investigated for their impact on dog and cat health and their zoonotic potential. The aim of this study was to investigate the prevalence estimates of selected vector-borne pathogens in client-owned pets from the Giza and Cairo governorates, Egypt. Out of 200 dogs and 100 cats, 94 (47%) and 23 (23%) were positive for at least one of the tested pathogens (P<0.0001). In particular, 84 (42%) dogs and 3 (3%) cats tested PCR-positive for Bartonella spp. (P<0.0001). A significantly higher prevalence of Bartonella spp. was detected in dogs from the rural areas of the Giza governorate (60/77, 79.2%, P<0.0001) compared to those from Cairo governorate. Bartonella henselae was the dominant species infecting dogs (81/200, 40.5%) followed by Candidatus Bartonella merieuxii (3/200, 1.5%), while B. henselae (2/100, 2%) and B. clarridgeiae were rare in cats. Haemoplasma DNA was detected in 17% (34/200) of dogs and 20% (20/100) of cats with increased risk in dogs from Giza rural areas (21/77, 27.27%, P=0.002) and from both dogs (16/63, 25.40%, P=0.03) and cats (7/14, 50%, P<0.002) with anemia. Candidatus Mycoplasma haematoparvum (30/200, 15%) and Mycoplasma haemocanis (4/200, 2%) in dogs and Candidatus Mycoplasma haemominutum (18/100, 18%) and M. haemofelis (2/100, 2%) in cats were detected. Additionally, 2 dogs were positive for C. burnetii DNA. Coinfections were detected in dogs, with the majority (23/200, 11.5%) including B. henselae and C.M. haematoparvum, followed by Mycoplasma haemocanis and C.M. haematoparvum (2/200, 1%) and B. henselae, CMhp and C. burnetii (2/200, 1%). Haemoplasma infection was high in Egyptian dogs and cats with a high prevalence for zoonotic Bartonella spp. in dogs with anemia, highlighting the need to investigate these agents in the diagnostic algorithm of anemia and to adopt preventive measures to protect both animal and human health.
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Affiliation(s)
- A A K Zarea
- Department of Veterinary Medicine, University of Bari Aldo Moro, Bari, Italy; Department of Microbiology and Immunology, Veterinary Research Institute, National Research Centre (NRC), Cairo, Egypt
| | - M Tempesta
- Department of Veterinary Medicine, University of Bari Aldo Moro, Bari, Italy
| | - E A Fouad
- Department of Microbiology and Immunology, Veterinary Research Institute, National Research Centre (NRC), Cairo, Egypt
| | - L A Ndiana
- Department of Veterinary Medicine, University of Bari Aldo Moro, Bari, Italy
| | - M S Mahmoud
- Department of Parasitology and Animal Diseases, Veterinary Research Institute, National Research Centre (NRC), Cairo, Egypt
| | - D Mrenoshki
- Department of Veterinary Medicine, University of Bari Aldo Moro, Bari, Italy
| | - V Martella
- Department of Veterinary Medicine, University of Bari Aldo Moro, Bari, Italy
| | - N Decaro
- Department of Veterinary Medicine, University of Bari Aldo Moro, Bari, Italy
| | - B Chomel
- Department of Population Health and Reproduction, School of Veterinary Medicine, University of California, Davis, USA
| | - G Greco
- Department of Veterinary Medicine, University of Bari Aldo Moro, Bari, Italy.
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13
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Panait LC, Ionică AM, Cazan CD, Coroian M, Diacu AM, Boncea AM, Mateescu C, Mihalca AD. Apicomplexan haemoparasites in domestic cats in Romania. Parasit Vectors 2023; 16:56. [PMID: 36747203 PMCID: PMC9903616 DOI: 10.1186/s13071-023-05683-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Accepted: 01/25/2023] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Apicomplexan haemoparasites are protozoans that infect a variety of domestic and wild animal species, as well as humans. Data regarding haemoprotozoans in domestic cats are limited; therefore, the aim of this study was to assess the occurrence of Babesia spp., Cytauxzoon spp., and Hepatozoon spp. in domestic cats in Romania using molecular tools. METHODS Blood samples from 371 domestic cats were screened for the presence of piroplasmids. All samples that yielded a visible band in agarose gels were subsequently tested by specific assays targeting the 18S rDNA of Babesia spp., Cytauxzoon spp., and Hepatozoon spp. Moreover, nested PCR assays targeting mitochondrial genes of Babesia spp. were used for screening of all Babesia spp. 18S rDNA-positive samples. RESULTS From the total number of sampled cats, 19.4% were positive in the PCR assay targeting piroplasmids. Babesia spp. were identified in 15.1% of cats, while 0.5% were positive for Hepatozoon spp. Molecular analyses confirmed the presence of Babesia canis. No samples were positive for Cytauxzoon spp. CONCLUSIONS The high infection rates of domestic cats with Babesia spp. and the need for species differentiation highlight the importance of mitochondrial genes as targets for molecular protocols.
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Affiliation(s)
- Luciana Cătălina Panait
- Department of Parasitology and Parasitic Diseases, Faculty of Veterinary Medicine, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, Calea Mănăștur 3-5, 400372, Cluj-Napoca, Romania.
| | - Angela Monica Ionică
- grid.413013.40000 0001 1012 5390CDS‑9: Molecular Biology and Veterinary Parasitology Unit, Faculty of Veterinary Medicine, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, 400372 Cluj-Napoca, Romania ,Microbiology Laboratory, Clinical Hospital of Infectious Diseases of Cluj-Napoca, 23 Iuliu Moldovan, 400348 Cluj-Napoca, Romania
| | - Cristina Daniela Cazan
- grid.413013.40000 0001 1012 5390Department of Parasitology and Parasitic Diseases, Faculty of Veterinary Medicine, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, Calea Mănăștur 3-5, 400372 Cluj-Napoca, Romania ,grid.413013.40000 0001 1012 5390CDS‑9: Molecular Biology and Veterinary Parasitology Unit, Faculty of Veterinary Medicine, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, 400372 Cluj-Napoca, Romania
| | - Mircea Coroian
- grid.413013.40000 0001 1012 5390Department of Parasitology and Parasitic Diseases, Faculty of Veterinary Medicine, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, Calea Mănăștur 3-5, 400372 Cluj-Napoca, Romania
| | - Ana Maria Diacu
- grid.413013.40000 0001 1012 5390Department of Parasitology and Parasitic Diseases, Faculty of Veterinary Medicine, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, Calea Mănăștur 3-5, 400372 Cluj-Napoca, Romania ,CSV Lunca Bradului, 547380 Mureș, Romania
| | | | - Cosmin Mateescu
- Agervet Targoviște Veterinary Private Clinic, 130120 Dâmbovița, Romania
| | - Andrei Daniel Mihalca
- grid.413013.40000 0001 1012 5390Department of Parasitology and Parasitic Diseases, Faculty of Veterinary Medicine, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, Calea Mănăștur 3-5, 400372 Cluj-Napoca, Romania ,Parasitology Consultancy Group, 407056 Corușu, Cluj Romania
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14
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Clinical, diagnostic and epidemiological implications of Hepatozoon spp., Babesia spp. and Leishmania infantum infection in cats and dogs in a Mediterranean periurban setting. Parasitol Res 2023; 122:35-47. [PMID: 36334151 PMCID: PMC9816188 DOI: 10.1007/s00436-022-07705-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 10/13/2022] [Indexed: 11/06/2022]
Abstract
Hepatozoon spp., Babesia spp. and Leishmania infantum are common parasites of dogs in Mediterranean countries and are less frequent in cats, particularly Babesia spp. and L. infantum. Moreover, there is limited information on coinfections between these parasites and on L. infantum's distribution in blood, skin and lymphoid tissue in cats. We used PCR and DNA sequencing to investigate the prevalence of these parasites and the aetiology of Hepatozoon spp. and Babesia spp., in blood, skin, spleen and lymph node samples from up to 212 stray cats and 82 abandoned dogs in southeast Spain. All except 2 dogs were healthy; instead, 112 cats had clinical signs. The estimated PCR prevalences (95% confidence interval) were 25% (19-31%) Hepatozoon felis in cats, 13% (6-21%) Hepatozoon canis in dogs, 1% (0-4%) Babesia vogeli in dogs, 0% Babesia spp. in cats and 21% (15-26%) and 44% (33-55%) L. infantum in cats and dogs, respectively, and infections were not associated with each other. Leishmania infantum prevalence in lymphoid tissue was significantly higher in dogs than in cats (p < 0.001), and dogs had higher parasite loads than cats (p = 0.012). Moreover, L. infantum prevalence was significantly higher in the skin and lymphoid tissue compared to blood in infected, asymptomatic animals but it was similar in cats with clinical signs, which also had higher parasite loads compared to infected, asymptomatic cats (p < 0.05). The study highlights significant differences between sympatric dogs and cats with respect to the parasite infections investigated, as well as the need to examine both lymphoid tissue and skin samples to maximise the sensitivity of L. infantum infection diagnosis.
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15
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Schäfer I, Kohn B, Nijhof AM, Müller E. Molecular detection of Hepatozoon species infections in domestic cats living in Germany. J Feline Med Surg 2022; 24:994-1000. [PMID: 34781752 PMCID: PMC10812316 DOI: 10.1177/1098612x211055680] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
OBJECTIVES Three species of protozoal Hepatozoon species (H felis, H canis and H silvestris) are known to infect cats in Europe. The objective of this study was to determine the prevalence of Hepatozoon species in samples from cats living in Germany that were submitted to a veterinary laboratory. METHODS The study included cats tested for Hepatozoon species by PCR between 2007 and 2020 by the Laboklin laboratory. Travel history and haematological results were documented for cats with positive test results. From 2018 onwards, a partial 18S rRNA Hepatozoon gene fragment was sequenced from cats with positive PCR results. RESULTS Sixty-four of 931 cats (7%) tested positive for Hepatozoon species. Sex and age did not have a statistically significant impact. Sequencing was carried out for 16 samples and revealed H felis in all cases. All cats with positive test results and a relevant travel history had been imported from the Mediterranean or south-eastern Europe. There were no autochthonous infections with Hepatozoon species. Leukocytosis, haemoconcentration and anaemia were the most common haematological abnormalities. CONCLUSIONS AND RELEVANCE Although infections with Hepatozoon species in cats are usually subclinical, it may be useful to screen cats imported from the Mediterranean and south-eastern Europe for these pathogens to prevent local transmission cycles. There was no evidence of autochthonous infections in Germany; however, further investigations regarding a possible transmission of Hepatozoon species from infected cats to blood-feeding arthropods in Germany may be of interest. To avoid potential spread of the pathogens, ectoparasite prophylaxis is advisable.
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Affiliation(s)
| | - Barbara Kohn
- Clinic for Small Animals, Freie Universität Berlin, Berlin, Germany
| | - Ard M Nijhof
- Institute of Parasitology and Tropical Veterinary Medicine, Freie Universität Berlin, Berlin, Germany
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16
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Hemogram Findings in Cats from an Area Endemic for Leishmania infantum and Feline Immunodeficiency Virus Infections. Vet Sci 2022; 9:vetsci9090508. [PMID: 36136724 PMCID: PMC9504703 DOI: 10.3390/vetsci9090508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 09/08/2022] [Accepted: 09/14/2022] [Indexed: 11/17/2022] Open
Abstract
Simple Summary Some cats positive for Leishmania infantum (Li) show clinical signs and clinicopathological changes, including hemogram abnormalities. However, co-infections or co-morbidities are often detected in cats with leishmaniosis, and they can have a role in the clinical abnormalities observed. In feline Leishmania infantum infections and in clinical cases of feline leishmaniosis, a significant association with feline immunodeficiency virus (FIV) has been detected, but the role of this co-infection is controversial. The aims of this study were to retrospectively evaluate hemogram changes in cats from areas endemic for Leishmania infantum and feline immunodeficiency virus infections (Sicily and Calabria regions, Southern Italy) and to analyze the role of both pathogens in the abnormalities detected. A retrospective cross-sectional study was carried out on 496 cats. Hematological changes in cats positive for Leishmania infantum were found, particularly abnormalities compatible with chronic inflammation including moderate anemia, monocytosis, and morphologically activated monocytes. Moreover, some abnormalities, such as thrombocytosis, seem to arise when cats are co-infected with FIV. Feline leishmaniosis should be considered when some hemogram abnormalities compatible with chronic inflammation are detected. Abstract In feline Leishmania infantum (Li) infection and in clinical cases of feline leishmaniosis, co-infection with feline immunodeficiency virus (FIV) has been reported. However, the role of the retroviral co-infection in the impairment of feline clinical health is still controversial. The aim of this study was to evaluate hemogram changes in cats from regions endemic for both Li and FIV infection. Four hundred and ninety-six cats tested for Li (EDTA blood polymerase chain reaction and immunofluorescence antibody test) and for FIV infection (enzyme-linked immune assay) were retrospectively evaluated. Hemogram results including blood smear morphological evaluation were statistically compared considering four infection patterns: Li+FIV+, Li+FIV−, Li−FIV+, and Li−FIV−. Significantly lower values of erythrocytes (Li+FIV−: p = 0.0248; Li−FIV+: p = 0.0392) and hemoglobin (Li+FIV: p = 0.0086; Li−FIV+: p = 0.0249) were found in both infections when compared to Li−FIV− cats, and severity of anemia was more frequently moderate in Li-positive cats (p = 0.0206) and severe in FIV infection (p = 0.024). Li infection was associated with monocytosis (p = 0.0013) and morphologically activated monocytes (p = 0.0209). Moreover, FIV infection was associated with the presence of inflammatory leukogram (p = 0.023), and an association between thrombocytosis and the co-infection was found (p = 0.0347). Li infection in cats induces hematological changes compatible with chronic inflammation, some of which are due to co-infection with FIV.
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Priolo V, Martínez-Orellana P, Pennisi MG, Raya-Bermúdez AI, Jurado-Tarifa E, Masucci M, Donato G, Bruno F, Castelli G, Solano-Gallego L. Leishmania infantum Specific Humoral and Cellular Immune Responses in Cats and Dogs: A Comparative Cross-Sectional Study. Vet Sci 2022; 9:vetsci9090482. [PMID: 36136697 PMCID: PMC9505219 DOI: 10.3390/vetsci9090482] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Revised: 09/03/2022] [Accepted: 09/04/2022] [Indexed: 11/16/2022] Open
Abstract
Dogs are the main reservoir of Leishmania infantum and display different immunological patterns correlating with the progression of infection to disease. Data about feline L. infantum adaptive immune response are scant. This study aimed to compare the prevalence and immune response in cats and dogs from the same endemic area of canine leishmaniosis. Stray cats (109) and rescued dogs (59) from Córdoba (Spain) were enrolled. Data about their exposure to L. infantum were analyzed by detection of parasite DNA, measurements of Leishmania-specific interferon-γ (whole blood assay in 57 cats and 29 dogs), and antibodies (enzyme-linked immunosorbent assay and immunofluorescence antibody test). An overall L. infantum prevalence of 30.5% in dogs and 30% in cats were found according to serology and PCR tests. Prevalence was 44.8% in dogs and 35.1% in cats tested also for interferon-γ production. Dogs showed higher anti-L. infantum antibody levels compared to cats. More than one-third of cats had contact with or were infected by L. infantum and they may contribute to the endemicity of leishmaniosis in the investigated region. The immunopathogenesis of feline L. infantum infection has similarities with dogs but cats show a lower level of adaptive immune response compared to dogs.
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Affiliation(s)
- Vito Priolo
- Dipartimento di Scienze Veterinarie, Università di Messina, 98168 Messina, Italy
| | - Pamela Martínez-Orellana
- Departament de Medicina i Cirurgia Animals, Facultat de Veterinaria, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Maria Grazia Pennisi
- Dipartimento di Scienze Veterinarie, Università di Messina, 98168 Messina, Italy
| | - Ana Isabel Raya-Bermúdez
- Facultad de Medicina Veterinaria, Universidad de Córdoba, Campus Rabanales, 14014 Córdoba, Spain
| | - Estefania Jurado-Tarifa
- Facultad de Medicina Veterinaria, Universidad de Córdoba, Campus Rabanales, 14014 Córdoba, Spain
| | - Marisa Masucci
- Dipartimento di Scienze Veterinarie, Università di Messina, 98168 Messina, Italy
- Correspondence:
| | - Giulia Donato
- Dipartimento di Scienze Veterinarie, Università di Messina, 98168 Messina, Italy
| | - Federica Bruno
- Centro di Referenza Nazionale per la Leishmaniosi (CReNaL), Istituto Zooprofilattico Sperimentale della Sicilia “A. Mirri”, 90129 Palermo, Italy
| | - Germano Castelli
- Centro di Referenza Nazionale per la Leishmaniosi (CReNaL), Istituto Zooprofilattico Sperimentale della Sicilia “A. Mirri”, 90129 Palermo, Italy
| | - Laia Solano-Gallego
- Departament de Medicina i Cirurgia Animals, Facultat de Veterinaria, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
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Retrospective Analysis of Leishmaniasis in Sicily (Italy) from 2013 to 2021: One-Health Impact and Future Control Strategies. Microorganisms 2022; 10:microorganisms10091704. [PMID: 36144305 PMCID: PMC9504907 DOI: 10.3390/microorganisms10091704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 08/19/2022] [Accepted: 08/21/2022] [Indexed: 11/17/2022] Open
Abstract
Leishmaniasis is an important vector-borne disease that represents a serious public health problem, including in Sicily (Italy), which is considered an endemic area. We collected canine, feline and human data from 2013 to 2021 in Sicily, while entomological surveys were conducted only in 2013 and 2021. Overall, 23,794/74,349 (34.4%) of dogs and 274/4774 (11.8%) of cats were positive in one or more diagnostic tests. A total of 467 cases of human Leishmaniasis were reported, with 71% showing cutaneous and 29% visceral involvement. The provinces with the largest number of patients were Agrigento (45.4%) and Palermo (37%). In 2013, Phlebotomus perfiliewi was the dominant sandfly species in Sicily (68.7%), followed by Phlebotomus perniciosus (17.2%) and Sergentomya minuta (14%). In 2021, Phlebotomusperfiliewi was confirmed as the most common species (61.6%), followed by Phlebotomusperniciosus (33.1%) and Sergentomyaminuta (4.7%). Of particular interest was the identification of Phlebotomus papatasi (0.41%) in Agrigento. Our retrospective study can inform health authorities for the development of appropriate screening, treatment and control strategies to reduce Leishmania incidence rate. This study examined the present state of Leishmaniasis control, surveillance, and prevention in Sicily, but also highlighted deficiencies that could be addressed through the application of One-Health principles.
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Clinical Case of Feline Leishmaniosis: Therapeutic Approach and Long-Term Follow-Up. Vet Sci 2022; 9:vetsci9080400. [PMID: 36006315 PMCID: PMC9416418 DOI: 10.3390/vetsci9080400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 07/25/2022] [Accepted: 07/28/2022] [Indexed: 11/17/2022] Open
Abstract
Simple Summary In the present report, clinical, diagnostic, and therapeutical findings observed in a case of feline leishmaniosis (FeL) along with its long-term follow-up data are reported with the aim to provide more evidence-based data on the treatment of this important zoonotic vector-borne disease of cats. The present study represents one of the few reports of FeL with a 28-month follow-up period. This case underlines the effectiveness of allopurinol and highlights how the interruption of treatment frequently leads to relapse, impairing the animal’s health condition and prognosis. Abstract The response to allopurinol treatment and survival time of a case of feline leishmaniosis in a FIV co-infected cat is herein reported. In May 2019, a 13-year-old neutered European Shorthair male was referred due to weight loss and exfoliative dermatitis. Lymphadenomegaly and splenomegaly were detected upon clinical inspection, while the presence of several Leishmania infantum amastigotes were detected on splenic and lymphonodal fine needle aspiration (FNA). Allopurinol (10 mg/kg PO q 12 h) was administered. After two months, the cat’s clinical symptoms disappeared, and the owners decided to interrupt the therapy. In February, two reddish nodular fleshy neoformations appeared in both eyes, and amastigotes of Leishmania were detected by cytology on conjunctival swabs. Allopurinol treatment was re-started at the same rate; the ocular lesions regressed in two weeks, and the owner again decided to interrupt the therapy. In July, the patient had a new relapse, but the owner, tired of continuous relapses, refused further treatment of the disease. The cat’s health condition continued to worsen: in October 2021, the ocular lesions appeared again, and in November the patient died. This case underlines the effectiveness of allopurinol and highlights how interruption of treatment frequently leads to relapse, impairing the animal’s health condition and prognosis.
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20
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Pradella GD, Escobar TA, Santos TPD, Vargas RC, Góss GC, Ferrareze PAG, Rosa E Silva LK, Zuravski L, Pereira KB, Duarte CA, Lübeck I. PCR-RLFP characterization of Leishmania spp. in domestic animals from the south-western border of Brazil. REVISTA BRASILEIRA DE PARASITOLOGIA VETERINARIA = BRAZILIAN JOURNAL OF VETERINARY PARASITOLOGY : ORGAO OFICIAL DO COLEGIO BRASILEIRO DE PARASITOLOGIA VETERINARIA 2022; 31:e005222. [PMID: 35858013 DOI: 10.1590/s1984-29612022035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Accepted: 06/13/2022] [Indexed: 06/15/2023]
Abstract
The aim of this study was to characterize Leishmania spp. from canine and feline samples using Polymerase Chain Reaction (PCR)- Restriction Fragment Length Polymorphism (RFLP). It was conducted in the southern region of Brazil, located at border crossings to Argentina and Uruguay. Samples were collected from 116 dogs (Canis lupus familiaris) and 89 cats (Felis catus). The PCR was performed to screen for an LT1 fragment from kinetoplast DNA (kDNA) target gene, and positive samples were subjected to a second PCR for an internal transcribed spacers (ITS1) region from ribosomal DNA (rDNA) target. RFLP was performed using the Haemophilus aegyptius (HAE III) restriction endonuclease (Fermentas ®). Positive samples by PCR ITS1 were sequenced and deposited in NCBI GenBank, and a phylogenetic analysis was developed. We found that 12.9% (15/116) of the samples from dogs were positive. All the 89 cat samples were negative. Positive samples were tested against Leishmania reference strains presenting different patterns in PCR-RFLP, and these samples showed bands denoting similarity to the standard species of Leishmania infantum, proven through sequencing and phylogenetic analysis. The RFLP technique, alone, was shown to be feasible for practical application and confirmation of the involved Leishmania spp.
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Affiliation(s)
| | | | | | | | | | | | | | - Luísa Zuravski
- Universidade Federal do Pampa - UNIPAMPA, Uruguaiana, RS, Brasil
| | | | | | - Irina Lübeck
- Universidade Federal do Pampa - UNIPAMPA, Uruguaiana, RS, Brasil
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21
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Garcia-Torres M, López MC, Tasker S, Lappin MR, Blasi-Brugué C, Roura X. Review and statistical analysis of clinical management of feline leishmaniosis caused by Leishmania infantum. Parasit Vectors 2022; 15:253. [PMID: 35818075 PMCID: PMC9272864 DOI: 10.1186/s13071-022-05369-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 06/08/2022] [Indexed: 12/02/2022] Open
Abstract
Background There is limited information about feline leishmaniosis (FeL) management in clinical practice. Leishmania infantum is the species of Leishmania most frequently reported in both dogs and cats in countries of the Mediterranean region (henceforth ‘Mediterranean countries’), Central and South America, and Iran. This study was conducted to provide veterinary clinicians with an updated overview of evidence-based information on leishmaniosis in cats. Methods A review was performed using PubMed, Science Direct, Google Scholar and Web of Science. Case reports of FeL caused by L. infantum were sought for the period 1912 to 1 June 2021. Results Sixty-three case reports are included in this review. Fifty-nine out of the 63 cats were from Europe, mostly from Mediterranean countries (88.9%). Most of them were domestic short-haired cats (90%) with a mean age of 7.9 years, and had access to the outdoors (77.3%). Sixty-six percent of the cats had comorbidities, of which feline immunodeficiency virus infection was the most frequent (37.7%). Dermatological lesions (69.8%) was the most frequent clinical sign, and hyperproteinemia (46.3%) the most frequent clinicopathological abnormality. Serology was the most performed diagnostic method (76.2%) and was positive for 93.7% of cats. Medical treatment was applied in 71.4% of cats, and allopurinol was the most used drug (74.4%). Survival time was greater for treated cats (520 days; 71.4% of cats) than non-treated cats (210 days; 25.4%). Conclusions The majority of the cats had comorbidities, of which feline immunodeficiency virus was the most frequent. Dermatological lesions were frequently reported, and systemic clinical signs and clinicopathological abnormalities were also common. Serology may be useful for the diagnosis of FeL in clinical practice, and a positive titer of ≥ 1/40 may be a useful cut-off for sick cats. The reported treatments and dosages varied, but there was a good clinical response and longer survival in most of the cats treated with allopurinol monotherapy. Graphical abstract ![]()
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Affiliation(s)
- Maria Garcia-Torres
- Hospital Clínic Veterinari, Universitat Autònoma de Barcelona, Barcelona, Spain
| | | | - Séverine Tasker
- Bristol Veterinary School, University of Bristol, Langford, Bristol, UK.,Linnaeus Veterinary Limited, Shirley, Solihull, UK
| | - Michael Rex Lappin
- Department of Clinical Sciences, Colorado State University, Fort Collins, USA
| | - Carles Blasi-Brugué
- Hospital Clínic Veterinari, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Xavier Roura
- Hospital Clínic Veterinari, Universitat Autònoma de Barcelona, Barcelona, Spain.
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22
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Distribution of Tick-Borne Pathogens in Domestic Animals and Their Ticks in the Countries of the Mediterranean Basin between 2000 and 2021: A Systematic Review. Microorganisms 2022; 10:microorganisms10061236. [PMID: 35744755 PMCID: PMC9228937 DOI: 10.3390/microorganisms10061236] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 06/10/2022] [Accepted: 06/14/2022] [Indexed: 02/01/2023] Open
Abstract
Tick-borne pathogens (TBPs) include a wide range of bacteria, parasites and viruses that cause a large spectrum of animal, human and zoonotic tick-borne diseases (TBDs). The object of this review was to establish an inventory and an analysis of TBPs found in domestic animals in the countries of the Mediterranean Basin. This geographic area occupies a central position between several continents and is an area of movement for animals, humans and pathogens of interest and their vectors, which is important in terms of animal and human health. In this systematic review, we included a total of 271 publications produced between 2000–2021 concerning TBPs in domestic animals. Among this literature, we found a total of 90 pathogen species (known as TBPs) reported in the 20 countries of the area; these were detected in tick species from domestic animals and were also directly detected in domestic animals. In all, 31 tick species were recorded and 12 domestic animal species, the latter comprising nine livestock and three pet species. More than 50% of the publications were from Western Europe. Island data were extracted and assessed, as islands of the Mediterranean Basin were represented in 16% of the publications and 77.8% of the TBPs reported. Our results show the importance of islands in the monitoring of TBPs, despite the low percentage of publications.
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23
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Alves ML, Silva DTD, Spada JCP, Leonel JAF, Benassi JC, Pereira NWB, Vioti G, Alves-Martin MF, de Almeida Paula NF, Starke-Buzetti WA, de Sousa Oliveira TMF. Use of the intradermal leishmanin test (Montenegro skin test) for feline visceral leishmaniosis: Detection of cellular immunity. Exp Parasitol 2022; 239:108294. [DOI: 10.1016/j.exppara.2022.108294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Revised: 04/28/2022] [Accepted: 06/02/2022] [Indexed: 11/17/2022]
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24
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Zarea AAK, Bezerra-Santos MA, Nguyen VL, Colella V, Dantas-Torres F, Halos L, Beugnet F, Tempesta M, Otranto D, Greco G. Occurrence and bacterial loads of Bartonella and haemotropic Mycoplasma species in privately owned cats and dogs and their fleas from East and Southeast Asia. Zoonoses Public Health 2022; 69:704-720. [PMID: 35545848 PMCID: PMC9544368 DOI: 10.1111/zph.12959] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 04/26/2022] [Accepted: 04/28/2022] [Indexed: 01/13/2023]
Abstract
Bartonella spp. and haemoplasmas are pathogens of veterinary and medical interest with ectoparasites mainly involved in their transmission. This study aimed at molecular detection of Bartonella spp. and haemoplasmas in cats (n = 93) and dogs (n = 96), and their related fleas (n = 189) from countries in East and Southeast Asia. Ctenocephalides felis was the dominant flea species infesting both cats (97.85%) and dogs (75%) followed by Ctenocephalides orientis in dogs (18.75%) and rarely in cats (5.2%). Bartonella spp. DNA was only detected in blood samples of flea‐infested cats (21.51%) (p < .0001, OR = 27.70) with Bartonella henselae more frequently detected than Bartonella clarridgeiae in cat hosts (15.05%, 6.45%) and their associated fleas (17.24%, 13.79%). Out of three Bartonella‐positive fleas from dogs, two Ct. orientis fleas carried Bartonella vinsonii subsp. berkhoffii and Bartonella clarridgeiae, while the 3rd flea (Ct. felis) carried Candidatus Bartonella merieuxii. Felines represented a risk factor for Bartonella spp. infections, where fleas collected from cats (32.25%) presented an increased likelihood for Bartonella spp. occurrence (p < .0001, OR = 14.76) than those from dogs (3.13%). Moreover, when analysing infectious status, higher Bartonella spp. DNA loads were detected in fleas from bacteraemic cats compared to those from non‐bacteraemic ones (p < .05). The haemoplasma occurrence was 16.13% (15/93) and 4.17% (4/96) in cat and dog blood samples from different countries (i.e. Indonesia, Malaysia, the Philippines, Taiwan and Thailand), with cats more at risk of infection (p < .01, OR = 5.96) than dogs. Unlike Bartonella spp., there was no evidence for flea involvement in the hemoplasmas' transmission cycle, thus supporting the hypothesis of non‐vectorial transmission for these pathogens. In conclusion, client‐owned cats and dogs living in East and Southeast Asia countries are exposed to vector‐borne pathogens with fleas from cats playing a key role in Bartonella spp. transmission, thus posing a high risk of infection for humans sharing the same environment.
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Affiliation(s)
- Aya Attia Koraney Zarea
- Department of Veterinary Medicine, University of Bari "Aldo Moro", Bari, Italy.,Department of Microbiology and Immunology, Veterinary Research Institute, National Research Centre (NRC), Cairo, Egypt
| | | | - Viet-Linh Nguyen
- Oxford University Clinical Research Unit (OUCRU), Ho Chi Minh City, Vietnam
| | - Vito Colella
- Faculty of Veterinary and Agricultural Sciences, University of Melbourne, Melbourne, Victoria, Australia
| | | | - Lenaig Halos
- Boehringer Ingelheim Animal Health, Lyon, France.,Bill & Melinda Gates Foundation, Seattle, Washington, USA
| | | | - Maria Tempesta
- Department of Veterinary Medicine, University of Bari "Aldo Moro", Bari, Italy
| | - Domenico Otranto
- Department of Veterinary Medicine, University of Bari "Aldo Moro", Bari, Italy.,Faculty of Veterinary Sciences, Bu-Ali Sina University, Hamedan, Iran
| | - Grazia Greco
- Department of Veterinary Medicine, University of Bari "Aldo Moro", Bari, Italy
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25
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Priolo V, Masucci M, Donato G, Solano-Gallego L, Martínez-Orellana P, Persichetti MF, Raya-Bermúdez A, Vitale F, Pennisi MG. Association between feline immunodeficiency virus and Leishmania infantum infections in cats: a retrospective matched case-control study. Parasit Vectors 2022; 15:107. [PMID: 35534884 PMCID: PMC9084934 DOI: 10.1186/s13071-022-05230-w] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Accepted: 03/02/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Feline leishmaniosis caused by Leishmania infantum is often associated with feline immunodeficiency virus (FIV) infection; however, the role and clinical significance of this coinfection remain unknown. This study aimed to assess whether FIV is associated with L. infantum infection in cats from canine leishmaniosis endemic areas and to report the clinical signs and hematological alterations associated with coinfection. METHODS A retrospective matched case-control study (ratio 1:2) was conducted. Data of clinical examination and complete blood count (CBC) were selected from a cohort of 705 cats examined for epidemiological studies on feline leishmaniosis conducted between 2012 and 2019. Ninety-one FIV seropositive cases and 182 FIV seronegative control cats were selected. Matching was done according to age, sex, lifestyle and geographic provenience of case cats. Rapid ELISA devices were mainly used to detect anti-FIV antibodies. Anti-Leishmania IgG antibodies were detected by indirect-immunofluorescence test (IFAT). Leishmania DNA was searched in blood, oral and conjunctival swabs by quantitative real-time PCR. RESULTS Feline immunodeficiency virus seropositive cats had no hematological abnormalities suggestive of an advanced stage of FIV infection and were statistically more frequently IFAT positive, and their risk of being L. infantum antibody positive was 2.8 greater than in the FIV seronegatives. The association of FIV seropositivity with L. infantum antibody positivity was confirmed in the univariable model of logistic regression. A multivariate model found FIV infection and L. infantum PCR positivity as predictors of a positive L. infantum IFAT result. Male outdoor cats from rural or suburban areas were at risk for FIV and L. infantum antibody positivity. Clinical signs more frequently associated with the coinfection were oral lesions, pale mucous membranes and low body condition score (BCS). CONCLUSIONS This study documents that FIV seropositive cats with no hematological abnormalities suggestive of an advanced stage of FIV infection are more prone to be L. infantum seroreactive by IFAT in endemic areas. Therefore, FIV seropositive cats should be tested for L. infantum antibodies and treated for preventing sand fly bites. Pale mucous membranes, low BCS and oral lesions but no CBC abnormalities were significantly associated with the coinfection.
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Affiliation(s)
- Vito Priolo
- Dipartimento di Scienze Veterinarie, Università di Messina, Messina, Italy
| | - Marisa Masucci
- Dipartimento di Scienze Veterinarie, Università di Messina, Messina, Italy
| | - Giulia Donato
- Dipartimento di Scienze Veterinarie, Università di Messina, Messina, Italy
| | - Laia Solano-Gallego
- Departament de Medicina i Cirurgia Animals Facultat de Veterinaria, Universitat Autònoma de Barcelona, Bellaterra, Barcelona, Spain
| | - Pamela Martínez-Orellana
- Departament de Medicina i Cirurgia Animals Facultat de Veterinaria, Universitat Autònoma de Barcelona, Bellaterra, Barcelona, Spain
| | | | - Ana Raya-Bermúdez
- Facultad de Medicina Veterinaria, Universidad de Córdoba, Campus Rabanales, Córdoba, Spain
| | - Fabrizio Vitale
- Centro di Referenza Nazionale per la Leishmaniosi (CReNaL), Istituto Zooprofilattico Sperimentale della Sicilia "A. Mirri", Palermo, Italy
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26
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Mendoza-Roldan JA, Latrofa MS, Tarallo VD, Manoj RR, Bezerra-Santos MA, Annoscia G, Iatta R, Otranto D. Leishmania spp. in Squamata reptiles from the Mediterranean basin. Transbound Emerg Dis 2021; 69:2856-2866. [PMID: 34951929 DOI: 10.1111/tbed.14438] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Revised: 12/13/2021] [Accepted: 12/18/2021] [Indexed: 11/27/2022]
Abstract
Leishmania tarentolae is a non-pathogenic trypanosomatid species isolated from geckoes in the Mediterranean basin. In Italy, L. tarentolae and Leishmania infantum occur in sympatry in areas where canine leishmaniosis (CanL) is endemic. Here, we investigated the prevalence and distribution of L. tarentolae in reptilian hosts, and the presence of L. infantum in these hosts in southern Italy. From April 2020 to April 2021, lizards and snakes were captured in urban, peri-urban sites, natural parks and dog shelters. Blood was individually sampled and assessed for the presence of Leishmania spp. by cytology and/or molecular biology. Captured lizards were euthanized and their tissues/organs were tested by duplex real-time-PCR for the detection of L. infantum and L. tarentolae and the positive ones were amplified by conventional PCR to confirm the species identification by sequencing. Samples were also screened by real-time-PCR for L. infantum kDNA minicircle. Of the 259 collected Squamata reptiles, 34 (13.1%) specimens scored positive for Leishmania spp., with a prevalence of 10% for L. tarentolae (n = 26) and of 3.1% for L. infantum (n = 8). Positive lizards were mostly Podarcis siculus (n = 26) from dog shelters, with six specimens positive for L. infantum. In addition, L. tarentolae was detected in one Podarcis filfolensis lizard, and in five T. mauritanica geckos (with one gecko and P. filfolensis lizard showing amastigote-like forms in thrombocytes), whereas L. infantum was detected in one T. mauritanica, and one Hemidactylus turcicus. Saurian reptiles living in CanL endemic areas of the Mediterranean basin may be exposed to both L. tarentolae and L. infantum indicating a sympatric circulation of these species in different vertebrate hosts. Moreover, this study represents the first molecular evidence of L. infantum infection in European reptiles. This article is protected by copyright. All rights reserved.
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Affiliation(s)
| | - Maria Stefania Latrofa
- Dipartimento di Medicina Veterinaria, Università degli Studi di Bari, Valenzano, 70010, Italy
| | | | - Ranju Rs Manoj
- Dipartimento di Medicina Veterinaria, Università degli Studi di Bari, Valenzano, 70010, Italy
| | | | - Giada Annoscia
- Dipartimento di Medicina Veterinaria, Università degli Studi di Bari, Valenzano, 70010, Italy
| | - Roberta Iatta
- Dipartimenti Interdisciplinare di Medicina, Università degli Studi di Bari, Italy
| | - Domenico Otranto
- Dipartimento di Medicina Veterinaria, Università degli Studi di Bari, Valenzano, 70010, Italy.,Faculty of Veterinary Sciences, Bu-Ali Sina University, Hamedan, Iran
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27
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Morelli S, Diakou A, Di Cesare A, Colombo M, Traversa D. Canine and Feline Parasitology: Analogies, Differences, and Relevance for Human Health. Clin Microbiol Rev 2021; 34:e0026620. [PMID: 34378954 PMCID: PMC8404700 DOI: 10.1128/cmr.00266-20] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Cats and dogs are treated as family members by most pet owners. Therefore, a high quality of veterinary care and preventive medicine is imperative for animal health and welfare and for the protection of humans from zoonotic pathogens. There is a general perception of cats being treated as "small dogs," especially in the field of clinical parasitology. As a result, several important differences between the two animal species are not taken into proper consideration and are often overlooked. Dogs and cats are profoundly different under evolutionary, biological, ethological, behavioral, and immunological standpoints. These differences impact clinical features, diagnosis, and control of canine and feline parasites and transmission risk for humans. This review outlines the most common parasitoses and vector-borne diseases of dogs and cats, with a focus on major convergences and divergences, and discusses parasites that have (i) evolved based on different preys for dogs and cats, (ii) adapted due to different immunological or behavioral animal profiles, and (iii) developed more similarities than differences in canine and feline infections and associated diseases. Differences, similarities, and peculiarities of canine and feline parasitology are herein reviewed in three macrosections: (i) carnivorism, vegetarianism, anatomy, genetics, and parasites, (ii) evolutionary adaptation of nematodes, including veterinary reconsideration and zoonotic importance, and (iii) behavior and immune system driving ectoparasites and transmitted diseases. Emphasis is given to provide further steps toward a more accurate evaluation of canine and feline parasitology in a changing world in terms of public health relevance and One Health approach.
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Affiliation(s)
- Simone Morelli
- Faculty of Veterinary Medicine, University of Teramo, Teramo, Italy
| | - Anastasia Diakou
- Faculty of Veterinary Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Angela Di Cesare
- Faculty of Veterinary Medicine, University of Teramo, Teramo, Italy
| | | | - Donato Traversa
- Faculty of Veterinary Medicine, University of Teramo, Teramo, Italy
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Nascimento LFJ, Cirilo TM, Gomes DS, Gomes ACA, Lima VFS, Scher R, Jain S, Fujiwara RT, Dolabella SS. Epidemiological and diagnostic aspects of feline leishmaniasis with emphasis on Brazil: a narrative review. Parasitol Res 2021; 121:21-34. [PMID: 34761278 PMCID: PMC8580739 DOI: 10.1007/s00436-021-07372-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 11/01/2021] [Indexed: 11/26/2022]
Abstract
The leishmaniases are a group of diseases caused by the protozoan parasite belonging to the genus Leishmania. In the New World, although dogs are considered the main parasite reservoir, in the last two decades, several studies have confirmed the role of cats (Felis catus) in the epidemiology of the disease and feline leishmaniasis (FeL) is now considered to be an emerging disease. The present review summarizes the current knowledge about FeL, focusing on important immunopathological aspects, epidemiology, and diagnostic methods applied for felines in Brazil. Cats are infected with the same species of Leishmania found in dogs (i.e., Leishmania infantum). Like dogs, skin lesions are the most common in cats with clinical FeL, mainly affecting the cephalic region and less frequently the legs which may be accompanied by generalized signs or visceral involvement. Information on the immune response of cats to Leishmania infection is scarce; however, efficient infection control is seen in most cases. For diagnosis, generally, the same methods as those in dogs are used, mainly serological tools. But there is a lack of studies focusing the performance of these methods for diagnosing FeL. The estimated overall prevalence of FeL in Brazil is 8%, with L. infantum being the most prevalent species. However, infections with Leishmania braziliensis and Leishmania amazonensis have also been reported. In conclusion, although there has been an increase in the publication related to FeL in Brazil in recent years, there is a lack of research relating immune response and diagnosis of these animals. Cats have been shown to be competent hosts for Leishmania parasites, and their role in the epidemiology of the disease cannot be underestimated, especially in areas of Brazil where the disease is historically endemic.
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Affiliation(s)
- Luiz F J Nascimento
- Programa de Pós-Graduação em Biologia Parasitária, Universidade Federal de Sergipe, São Cristóvão, SE, 49100-000, Brazil
| | - Tatyane M Cirilo
- Programa de Pós-Graduação em Biologia Parasitária, Universidade Federal de Sergipe, São Cristóvão, SE, 49100-000, Brazil
| | - Dharliton S Gomes
- Programa de Pós-Graduação em Biologia Parasitária, Universidade Federal de Sergipe, São Cristóvão, SE, 49100-000, Brazil
| | - Ana Carolina A Gomes
- Departamento de Parasitologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, 31270-901, Brazil
| | - Victor F S Lima
- Programa de Pós-Graduação em Biologia Parasitária, Universidade Federal de Sergipe, São Cristóvão, SE, 49100-000, Brazil
| | - R Scher
- Programa de Pós-Graduação em Biologia Parasitária, Universidade Federal de Sergipe, São Cristóvão, SE, 49100-000, Brazil
- Departamento de Morfologia, Instituto de Ciências Biológicas e da Saúde, Universidade Federal de Sergipe, São Cristóvão, SE, 49100-000, Brazil
| | - S Jain
- Programa de Pós-Graduação em Biotecnologia Industrial, Universidade Tiradentes, Aracaju, SE, 49032-490, Brazil
| | - Ricardo T Fujiwara
- Programa de Pós-Graduação em Biologia Parasitária, Universidade Federal de Sergipe, São Cristóvão, SE, 49100-000, Brazil.
- Departamento de Parasitologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, 31270-901, Brazil.
| | - Silvio S Dolabella
- Programa de Pós-Graduação em Biologia Parasitária, Universidade Federal de Sergipe, São Cristóvão, SE, 49100-000, Brazil.
- Departamento de Morfologia, Instituto de Ciências Biológicas e da Saúde, Universidade Federal de Sergipe, São Cristóvão, SE, 49100-000, Brazil.
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Elmahallawy EK, Zanet S, Poggi M, Alsharif KF, Agil A, Trisciuoglio A, Ferroglio E. Feline Leishmaniosis in Northwestern Italy: Current Status and Zoonotic Implications. Vet Sci 2021; 8:215. [PMID: 34679045 PMCID: PMC8539510 DOI: 10.3390/vetsci8100215] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 09/23/2021] [Accepted: 09/29/2021] [Indexed: 12/17/2022] Open
Abstract
Leishmaniasis remains one of the major neglected tropical diseases. The epidemiological profile of the disease comprises a wide range of hosts, including dogs and cats. Despite several studies about feline Leishmaniosis, the role of cats in disease epidemiology and its clinical impact is still debated. The present study raises awareness about the impact of leishmaniasis in cats from an endemic region in of Northwestern Italy (Liguria). A total number of 250 serum and 282 blood samples were collected from cats, then assessed for Leishmania infantum (L. infantum) serologically using western blot (WB) and molecularly using polymerase chain reaction (PCR). We also tested the association of Leishmania infection with some infectious agents like haemotropic Mycoplasma, Feline immunodeficiency virus (FIV) and Feline leukemia virus (FeLV) together with the hematobiochemical status of the examined animals. Interestingly, all tested animals were asymptomatic and out of 250 examined serum samples, 33 (13.20%) samples (confidence interval (CI) 95% 9.56-17.96%) were positive at WB for L. infantum, whereas of the 282 blood samples, 80 (28.36%) returned a positive PCR (CI 95% 23.43-33.89%). Furthermore, there was a statistical association between PCR positivity for L. infantum and some hematological parameters besides FIV infection as well as a direct significant correlation between Mycoplasma infection and WB positivity. Taken together, the present findings report high prevalence of L. infantum among cats, which reinforces the significance of such positive asymptomatic animals and confirms the very low humoral response in this species. In addition, the laboratory values provide evidence that infection by the parasite is linked to alteration of some hematological parameters and is correlated to some infectious agents. These data are of interest and suggest future research for accurate diagnosis of such zoonosis.
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Affiliation(s)
- Ehab Kotb Elmahallawy
- Department of Zoonotic Diseases, Faculty of Veterinary Medicine, Sohag University, Sohag 82524, Egypt
- Department of Pharmacology, Faculty of Medicine, University of Granada, 18002 Granada, Spain;
- Department of Veterinary Sciences, University of Turin, Via Leonardo da Vinci, 44, Grugliasco, 10095 Torino, Italy; (S.Z.); (M.P.); (A.T.)
| | - Stefania Zanet
- Department of Veterinary Sciences, University of Turin, Via Leonardo da Vinci, 44, Grugliasco, 10095 Torino, Italy; (S.Z.); (M.P.); (A.T.)
| | - Marco Poggi
- Department of Veterinary Sciences, University of Turin, Via Leonardo da Vinci, 44, Grugliasco, 10095 Torino, Italy; (S.Z.); (M.P.); (A.T.)
| | - Khalaf F. Alsharif
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia;
| | - Ahmad Agil
- Department of Pharmacology, Faculty of Medicine, University of Granada, 18002 Granada, Spain;
| | - Anna Trisciuoglio
- Department of Veterinary Sciences, University of Turin, Via Leonardo da Vinci, 44, Grugliasco, 10095 Torino, Italy; (S.Z.); (M.P.); (A.T.)
| | - Ezio Ferroglio
- Department of Veterinary Sciences, University of Turin, Via Leonardo da Vinci, 44, Grugliasco, 10095 Torino, Italy; (S.Z.); (M.P.); (A.T.)
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Iatta R, Mendoza-Roldan JA, Latrofa MS, Cascio A, Brianti E, Pombi M, Gabrielli S, Otranto D. Leishmania tarentolae and Leishmania infantum in humans, dogs and cats in the Pelagie archipelago, southern Italy. PLoS Negl Trop Dis 2021; 15:e0009817. [PMID: 34555036 PMCID: PMC8491888 DOI: 10.1371/journal.pntd.0009817] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 10/05/2021] [Accepted: 09/16/2021] [Indexed: 11/18/2022] Open
Abstract
Visceral leishmaniasis (VL) caused by Leishmania infantum is endemic in the Mediterranean basin with most of the infected human patients remaining asymptomatic. Recently, the saurian-associated Leishmania tarentolae was detected in human blood donors and in sheltered dogs. The circulation of L. infantum and L. tarentolae was investigated in humans, dogs and cats living in the Pelagie islands (Sicily, Italy) by multiple serological and molecular testing. Human serum samples (n = 346) were tested to assess the exposure to L. infantum by immunofluorescence antibody test (IFAT), enzyme-linked immunosorbent assay (ELISA) and Western blot (WB) and to L. tarentolae by IFAT. Meanwhile, sera from dogs (n = 149) and cats (n = 32) were tested for both Leishmania species by IFAT and all blood samples, including those of humans, by specific sets of real time-PCR for L. infantum and L. tarentolae. The agreement between serological tests performed for human samples, and between serological and molecular diagnostic techniques for both human and animal samples were also assessed. Overall, 41 human samples (11.8%, 95% CI: 8.9–15.7) were positive to L. infantum (5.2%, 95% CI: 3.3–8.1), L. tarentolae (5.2%, 95% CI: 3.3–8.1) and to both species (1.4%, 95% CI: 0.6–3.3) by serology and/or molecular tests. A good agreement among the serological tests was determined. Both Leishmania spp. were serologically and/or molecularly detected in 39.6% dogs and 43.7% cats. In addition to L. infantum, also L. tarentolae circulates in human and animal populations, raising relevant public health implications. Further studies should investigate the potential beneficial effects of L. tarentolae in the protection against L. infantum infection. Leishmania infantum is the major agent of canine and human leishmaniasis being endemic throughout the Mediterranean basin, including Italy. The protozoan is transmitted through the bite of infected phlebotomine sand flies mainly represented by the species Phlebotomus perniciosus and Phlebotomus perfiliewi as proven vectors in Italy. The sand fly fauna in this country includes, among others Sergentomyia minuta, considered herpetophilic vectors of Leishmania tarentolae. This species non-pathogenic to mammalians has recently been detected in human blood donors and in sheltered dogs. Our data demonstrate the occurrence of both L. infantum and L. tarentolae in humans and animal population living in leishmaniasis endemic area opening new perspectives into the study of this human disease. Therefore, the ecology of L. tarentolae highlights the need of a more comprehensive study on the spread of this parasite and on its potential beneficial role in public health through a cross-protection that could occur against pathogenic Leishmania spp. when L. tarentolae occurs in sympatry.
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Affiliation(s)
- Roberta Iatta
- Department of Veterinary Medicine, University of Bari, Bari, Italy
- Department of Interdisciplinary Medicine, University of Bari, Bari, Italy
| | | | | | - Antonio Cascio
- Infectious and Tropical Diseases Unit, Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties "G. D’Alessandro", University of Palermo, Palermo, Italy
| | - Emanuele Brianti
- Dipartimento di Scienze Veterinarie, Università degli Studi di Messina, Messina, Italy
| | - Marco Pombi
- Dipartimento di Sanità Pubblica e Malattie Infettive, "Sapienza" Università di Roma, Rome, Italy
| | - Simona Gabrielli
- Dipartimento di Sanità Pubblica e Malattie Infettive, "Sapienza" Università di Roma, Rome, Italy
| | - Domenico Otranto
- Department of Veterinary Medicine, University of Bari, Bari, Italy
- Faculty of Veterinary Sciences, Bu-Ali Sina University, Hamedan, Iran
- * E-mail:
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Grillini M, Simonato G, Tessarin C, Dotto G, Traversa D, Cassini R, Marchiori E, Frangipane di Regalbono A. Cytauxzoon sp. and Hepatozoon spp. in Domestic Cats: A Preliminary Study in North-Eastern Italy. Pathogens 2021; 10:pathogens10091214. [PMID: 34578245 PMCID: PMC8468074 DOI: 10.3390/pathogens10091214] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 09/15/2021] [Accepted: 09/16/2021] [Indexed: 12/24/2022] Open
Abstract
Knowledge on the presence of Cytauxzoon sp. and Hepatozoon spp. in Italy is scant and mostly limited to a few areas of Northern and Southern regions, respectively. The present study updated the current epidemiological scenario by investigating the occurrence of these protozoa in domestic cats from three broad regions of North-Eastern Italy. Blood samples from cats at risk of vector-borne diseases were processed by PCR to detect Cytauxzoon and Hepatozoon DNA. Blood smears were observed for haemoparasite inclusions. The influence of cat individual data (e.g., provenance, management, indoor/outdoor lifestyle) on the prevalence of haemoprotozoan infections was statistically evaluated. Among 158 cats, Cytauxzoon and Hepatozoon DNA were detected in 6 (3.8%) and 26 (16.5%) animals, respectively. No Hepatozoon gamonts were detected in blood smears, whereas all Cytauxzoon PCR-positive samples were microscopically positive, though with low levels of parasitaemia. Two species of Hepatozoon were identified, Hepatozoon felis (n = 10) and Hepatozoon silvestris (n = 16). Hepatozoon silvestris prevalence values were significantly (p < 0.05) higher in the region Friuli Venezia Giulia and in stray cats. Cytauxzoon sp. was detected in 6/39 (15.4%) stray cats from Friuli Venezia Giulia (Trieste province). These data add new information on the occurrence of these neglected protozoa in domestic cats' populations.
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Affiliation(s)
- Marika Grillini
- Department of Animal Medicine, Production and Health, University of Padua, 35020 Legnaro, Italy; (G.S.); (C.T.); (G.D.); (R.C.); (E.M.); (A.F.d.R.)
- Correspondence:
| | - Giulia Simonato
- Department of Animal Medicine, Production and Health, University of Padua, 35020 Legnaro, Italy; (G.S.); (C.T.); (G.D.); (R.C.); (E.M.); (A.F.d.R.)
| | - Cinzia Tessarin
- Department of Animal Medicine, Production and Health, University of Padua, 35020 Legnaro, Italy; (G.S.); (C.T.); (G.D.); (R.C.); (E.M.); (A.F.d.R.)
| | - Giorgia Dotto
- Department of Animal Medicine, Production and Health, University of Padua, 35020 Legnaro, Italy; (G.S.); (C.T.); (G.D.); (R.C.); (E.M.); (A.F.d.R.)
| | - Donato Traversa
- Faculty of Veterinary Medicine, University Teaching Veterinary Hospital, University of Teramo, 64100 Teramo, Italy;
| | - Rudi Cassini
- Department of Animal Medicine, Production and Health, University of Padua, 35020 Legnaro, Italy; (G.S.); (C.T.); (G.D.); (R.C.); (E.M.); (A.F.d.R.)
| | - Erica Marchiori
- Department of Animal Medicine, Production and Health, University of Padua, 35020 Legnaro, Italy; (G.S.); (C.T.); (G.D.); (R.C.); (E.M.); (A.F.d.R.)
| | - Antonio Frangipane di Regalbono
- Department of Animal Medicine, Production and Health, University of Padua, 35020 Legnaro, Italy; (G.S.); (C.T.); (G.D.); (R.C.); (E.M.); (A.F.d.R.)
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Is the Prevalence of Leishmania infantum Linked to Breeds in Dogs? Characterization of Seropositive Dogs in Ibiza. Animals (Basel) 2021; 11:ani11092579. [PMID: 34573545 PMCID: PMC8466328 DOI: 10.3390/ani11092579] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Revised: 08/27/2021] [Accepted: 09/01/2021] [Indexed: 11/30/2022] Open
Abstract
Simple Summary Leishmaniosis is an important zoonotic protozoan disease. Leishmania infantum is a protozoan species that accounts for the majority of cases in the Mediterranean. In this study, we analyzed the prevalence of infection in different dog breeds from Ibizan Island. Our results showed that the Doberman Pinscher and Boxer breeds present a higher prevalence of infection, and the relationship between antibodies’ serum titer and staging of disease was confirmed. Differences between age and sex were not found. Abstract Leishmaniosis is an important zoonotic protozoan disease primarily spread to the Mediterranean region by Leishmania infantum, the predominant protozoan species, which accounts for the majority of cases. Development of disease depends on the immune response of the definitive host and, predictably, their genetic background. Recent studies have revealed breed-typical haplotypes that are susceptible to the spread of the protozoan parasite. The objective of this study was to analyze the prevalence of leishmaniosis on a Mediterranean island and determine the relationship between disease prevalence and breed. In addition, information on seropositive animals was recorded to characterize animals affected by the disease. To study the prevalence, a total of 3141 dogs were analyzed. Of these, the 149 infected animals were examined for age, sex, antibody titer, and disease stage. We observed a prevalence of 4.74%, which varied between breeds (p < 0.05). The Doberman Pinscher and Boxer breeds had the highest prevalence of leishmaniosis. Significant differences were observed between breeds with common ancestors, emphasizing the important genetic component. Finally, regarding the characterization of seropositive animals, the distribution is similar to other studies. We discovered a relationship (p < 0.05) between the number of antibody titers and the clinical disease stage, which was also present in Leishmania infantum, suggesting that the development of the disease depends on the humoral or Th2 immune response with ineffective antibodies.
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Canine Leishmaniosis in Greece: An Updated Countrywide Serological Study and Associated Risk Factors. Pathogens 2021; 10:pathogens10091129. [PMID: 34578159 PMCID: PMC8470449 DOI: 10.3390/pathogens10091129] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 08/24/2021] [Accepted: 08/30/2021] [Indexed: 11/17/2022] Open
Abstract
Canine leishmaniosis (Leishmania infantum) is a zoonotic disease that affects dogs worldwide. Greece is enzootic for this disease, and updated data for its current distribution are of major importance. The aim of this cross-sectional serological study was primarily to update the current knowledge of Leishmania infantum seropositivity status within the asymptomatic Greek canine population and, furthermore, to assess the possible climatological and other risk factors. In total, sera of 1265 asymptomatic dogs were collected from all prefectures of the country. A questionnaire that included all individual dog information was completed for all animals. The Speed Leish K® canine Leishmania antibody test kit (BVT Groupe Virbac, France) was employed. Potential risk factors were evaluated utilizing logistic regression models. Overall, 13.8% (n = 175) of the sampled dogs were seropositive to Leishmania infantum originating from all geographical departments of the country, whereas most prefectures had at least one seropositive animal. Outdoor living, high mean humidity, low mean wind speed and high total annual rainfall were found to increase the seropositivity status against the parasite. Conclusively, Leishmania infantum remains a common parasite challenge in the asymptomatic canine population of Greece, and therefore, its early diagnosis and effective prevention are significant in the country.
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Ectoparasites of wild rabbit (Oryctolagus cuniculus) in Southern Italy. Vet Parasitol Reg Stud Reports 2021; 24:100555. [PMID: 34024372 DOI: 10.1016/j.vprsr.2021.100555] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 03/06/2021] [Accepted: 03/07/2021] [Indexed: 11/24/2022]
Abstract
The European wild rabbit Oryctolagus cuniculus is a widespread mammal that may act as host for ectoparasites and reservoir for some vector-borne pathogens. Study aims were to investigate the arthropod fauna that may infect the European wild rabbit, to assess the ecological indexes and to investigate tick preferred attachment sites. The survey was conducted on 105 wild rabbits hunted by poachers in a Mediterranean woodland area in the province of Ragusa. Animals were individually examined for ectoparasite presence and the tick load assessed on eleven body anatomical sites. Ticks and fleas were found on 79 (75.2%) and 3 (2.9%) out of the 105 examined rabbits, respectively. Three tick species were identified; Rhipicephalus pusillus was the most abundant followed by Rhipicephalus turanicus and Ixodes gibbosus. Although ticks were found on all anatomical sites, ears, forelimbs, and abdomen were those more frequently infected. All the collected fleas were identified as Spilopsyllus cuniculi. Some of the ectoparasite species found on examined wild rabbits are recognized as potential vectors of pathogens of animal and human concern, such as, Rickettsia sibirica mongolitimonae and Rickettsia massiliae. The most abundant tick species found in this study is the main vector of some zoonotic pathogens; therefore, the possible role of O. cuniculus in their maintenance should be further investigated.
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Saengsawang P, Kaewmongkol G, Inpankaew T. Molecular Detection of Bartonella spp. and Hematological Evaluation in Domestic Cats and Dogs from Bangkok, Thailand. Pathogens 2021; 10:pathogens10050503. [PMID: 33922245 PMCID: PMC8146774 DOI: 10.3390/pathogens10050503] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 04/16/2021] [Accepted: 04/20/2021] [Indexed: 12/18/2022] Open
Abstract
(1) Background: Bartonella spp. are Gram-negative, facultative, intracellular bacteria transmitted by hematophagous insects. Several species cause zoonotic diseases such as cat-scratch disease. Bartonella henselae and Bartonella clarridgeiae are the main species found in Thailand, however, there have been few studies on Bartonella spp. In addition, the hematological evaluation of Bartonella-infected animals is limited in Thailand. The aims of this study were prevalence investigation and hematological evaluation of Bartonella-infected dogs and cats residing in Bangkok, Thailand. (2) Methods: In total, 295 dogs and 513 cats were molecularly evaluated to detect Bartonella spp. using PCR with primers targeting the partial gltA, rpoB, ftsZ, ribC, and groEL genes. In total, 651 domestic animals were evaluated for hematological parameters compared between Bartonella-positive and Bartonella-negative animals. (3) Results: Overall, the prevalence of Bartonella spp. was 1.61% which was found only in free-ranging cats (2.83%). Bartonella henselae and B. clarridgeiae were confirmed from a concatenated phylogenetic tree of partial gltA and ribC genes, with 100% bootstrapping replication. For other housekeeping gene sequences, mixed infection was expected from the amplicons of rpoB, ftsZ, and groEL. Importantly, the mean corpuscular volume (MCV) was significantly increased in Bartonella-positive cats. (4) Conclusions: We suggest that B. henselae and B. clarridgeiae are important species and are still circulating in domestic animals, especially cats. The evaluation of blood parameters, especially a raised MCV, should be of concern in Bartonella infection in asymptomatic cats. Additionally, the knowledge of how to prevent Bartonella-related diseases should be promoted with people in at-risk situations.
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Affiliation(s)
- Phirabhat Saengsawang
- Center for Agricultural Biotechnology, Kamphaeng Saen Campus, Kasetsart University, Nakhon Pathom 73140, Thailand;
- Center of Excellence on Agricultural Biotechnology (AG-BIO/PERDO-CHE), Bangkok 10900, Thailand
- Akkhraratchakumari Veterinary College, Walailak University, Nakhon Si Thammarat 80161, Thailand
| | - Gunn Kaewmongkol
- Department of Companion Animal Clinical Sciences, Faculty of Veterinary Medicine, Kasetsart University, Bangkok 10900, Thailand;
| | - Tawin Inpankaew
- Center for Agricultural Biotechnology, Kamphaeng Saen Campus, Kasetsart University, Nakhon Pathom 73140, Thailand;
- Center of Excellence on Agricultural Biotechnology (AG-BIO/PERDO-CHE), Bangkok 10900, Thailand
- Department of Parasitology, Faculty of Veterinary Medicine, Kasetsart University, Bangkok 10900, Thailand
- Correspondence: or
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Savioli G, Archer J, Brianti E, Benelli G, Schnyder M, Iatta R, Otranto D, Cantacessi C. Serum amyloid A levels and alpha 2 and gamma globulins on serum protein electrophoresis in cats exposed to and infected with Leishmania infantum. Parasit Vectors 2021; 14:217. [PMID: 33883004 PMCID: PMC8059178 DOI: 10.1186/s13071-021-04710-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Accepted: 03/31/2021] [Indexed: 11/24/2022] Open
Abstract
Background Dogs are the main reservoir hosts of Leishmania infantum; nevertheless, recent investigations indicate a likely role for cats in the epidemiology of Leishmania infection. Feline leishmaniosis (FeL) remains poorly characterised, partly due to the lack of suitable diagnostic tools. This study aimed to compare serum amyloid A (SAA) levels and serum protein electrophoresis (SPE) profiles (specifically, alpha 2 and gamma globulins) in cats naturally exposed to or infected by L. infantum from southern Italy versus those of healthy controls and versus cats with neoplastic or inflammatory conditions from non-endemic areas. Methods Serum or plasma samples from four cohorts of cats were analysed for SAA levels and by SPE: (i) G1: healthy controls from Leishmania-non-endemic regions of Switzerland; (ii) G2: cats pre-diagnosed with neoplastic or inflammatory conditions available from the University of Cambridge sample archive; (iii) G3: L. infantum-seropositive, quantitative (q)PCR-negative cats from southern Italy; (iv) G4: L. infantum-seropositive and qPCR-positive cats from southern Italy. SAA data were assessed for normality and homoscedasticity using the Shapiro–Wilk and Levene’s tests, respectively; the Kruskall–Wallis test, followed by Dunn’s test with Bonferroni correction were subsequently used to compare SAA serum levels between groups. A weighted generalised linear model with a binomial distribution was used to assess statistically significant differences in the numbers of animals displaying elevated gamma globulins and increased alpha 2 globulins between groups. Results Overall, 68 samples were analysed (G1: n = 16, G2: n = 20, G3: n = 20, G4: n = 12). Cats suffering from neoplastic and inflammatory conditions (G2 ) showed significantly higher SAA levels than healthy controls (G1) (median values [interquartile range]: G1: 0.00 [0.00–0.00] mg/l versus G2: 0.85 [0.00–49.55] mg/l). G2, G3 and G4 cats showed higher percentages of individuals with increased alpha 2 globulins (percentages ± standard error: G1 = 20.0% ± 10.3, G2 = 80.0% ± 8.9, G3 = 70.0% ± 10.2, G4 = 75.0% ± 12.5) and gamma globulins (G1 = 0.0% ± 0, G2 = 65.0% ± 10.7, G3 = 50.0% ± 11.2, G4 = 58.3% ± 14.2) than healthy control cats (G1). For all three markers, no significant difference between cats within G2, G3 and G4 was recorded. Conclusions This study indicates that the proportions of animals with elevated levels of alpha 2 and gamma globulins are significantly higher in cats exposed to and infected with L. infantum. Levels of SAA and alpha 2 and gamma globulins may not be used to differentiate between L. infantum infection or exposure, and neoplastic and/or inflammatory conditions. Graphic Abstract ![]()
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Affiliation(s)
- Giulia Savioli
- Department of Veterinary Medicine, University of Cambridge, Cambridge, UK.
| | - Joy Archer
- Department of Veterinary Medicine, University of Cambridge, Cambridge, UK
| | - Emanuele Brianti
- Dipartimento di Scienze Veterinarie, Università degli Studi di Messina, Messina, Italy
| | - Giovanni Benelli
- Department of Agriculture, Food and Environment, University of Pisa, Pisa, Italy
| | - Manuela Schnyder
- Institute of Parasitology, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland
| | - Roberta Iatta
- Dipartimento di Medicina Veterinaria, Università degli Studi di Bari Aldo Moro, Bari, Italy
| | - Domenico Otranto
- Dipartimento di Medicina Veterinaria, Università degli Studi di Bari Aldo Moro, Bari, Italy
| | - Cinzia Cantacessi
- Department of Veterinary Medicine, University of Cambridge, Cambridge, UK.
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Skin Lesions in Feline Leishmaniosis: A Systematic Review. Pathogens 2021; 10:pathogens10040472. [PMID: 33924616 PMCID: PMC8070508 DOI: 10.3390/pathogens10040472] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 04/07/2021] [Accepted: 04/09/2021] [Indexed: 11/17/2022] Open
Abstract
Feline leishmaniosis (FeL) is increasingly reported throughout the world and skin lesions predominate in the clinical picture. There are, however, few evidence-based data on cutaneous feline leishmaniosis and directions are strongly needed for a better management of the disease. In this study, we systematically reviewed what is currently known about the clinical dermatological presentation of FeL through analysis of the literature and, further, by adding unpublished cases managed by Italian veterinary dermatologists. Sixty-six feline cases of cutaneous leishmaniosis published in 33 articles between 1990 and 2020 met the inclusion criteria and were analyzed. Six unpublished cases of cutaneous FeL managed by Italian dermatologists were also reviewed. The majority of cases were reported from South America, followed by Europe and North America. Nodules were the most frequently reported clinical signs and the presence of Leishmania in lesioned skin was assessed mainly by cytology. A total of six Leishmania species have been identified as being responsible for skin lesions. Coinfections by FIV or FeLV were reported in 12.1% and 9.1% of the cases, respectively. Clinical data including treatment have been analyzed and discussed to provide directives for proper management of the disease for which cats may also serve as domestic reservoirs for human infections.
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38
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Aksulu A, Bilgiç HB, Karagenç T, Bakırcı S. Seroprevalence and molecular detection of Leishmania spp. in cats of West Aegean Region, Turkey. Vet Parasitol Reg Stud Reports 2021; 24:100573. [PMID: 34024389 DOI: 10.1016/j.vprsr.2021.100573] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 04/05/2021] [Accepted: 04/05/2021] [Indexed: 10/21/2022]
Abstract
Zoonotic visceral leishmaniasis is caused by protozoa of the genus Leishmania. Although dogs are considered to be primary reservoir hosts of Leishmania spp., several mammals, such as foxes, jackals and small rodents may also be hosts of different Leishmania spp. Previously, cats were considered as asymptomatic hosts of the parasite without acting as a reservoir. In recent years, there has been an increasing number of leishmaniasis cases in cats, especially in regions where the infection endemically occurs. This data indicate that cats are more likely to be one of the main reservoirs of Leishmania spp. rather than being a non-reservoir host. The aim of this study is to determine the prevalence of Leishmania spp. by molecular and serological techniques among owned and stray cats in four different cities located in western part of Turkey. A total of 386 blood and 301 serum samples were collected from cats in Western Turkey where leishmaniasis is endemic. Feline serum samples were tested by IFAT to detect IgG antibodies against Leishmania spp. antigens. Blood samples collected from 386 cats were examined by PCR for the presence of Leishmania spp. According to PCR results using RV1/RV2 primers, nine (2.3%) out of 386 samples were positive for Leishmania spp. Further PCR analysis using MC1/MC2 primers showed that one cat in Izmir was found to be infected with L. infantum/donovani complex. Sequence analysis revealed the presence of L. infantum, L. major and L. tropica among sampled cats in western part of Turkey. On the other hand, IFAT results indicated that an overall of 47 out of 301 (15.6%) cats that examined by PCR were found to have anti-Leishmania antibodies. Also, six of the seropositive cats were owned animals. The present study demonstrated that both owned and stray cats can be infected with Leishmania spp. and might be potential reservoirs for other animals and humans. Therefore, all communities living in or nearby endemic regions should be made aware of the role of cats as potential reservoirs of infection. In endemic regions, all animals should be protected against infection with insecticides and monitored routinely to control the spread of zoonotic visceral leishmaniasis.
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Affiliation(s)
- Ayça Aksulu
- Aydın Adnan Menderes University, Faculty of Veterinary Medicine, Department of Parasitology, Isıklı-Efeler, Aydın, Turkey
| | - Hüseyin Bilgin Bilgiç
- Aydın Adnan Menderes University, Faculty of Veterinary Medicine, Department of Parasitology, Isıklı-Efeler, Aydın, Turkey
| | - Tülin Karagenç
- Aydın Adnan Menderes University, Faculty of Veterinary Medicine, Department of Parasitology, Isıklı-Efeler, Aydın, Turkey
| | - Serkan Bakırcı
- Aydın Adnan Menderes University, Faculty of Veterinary Medicine, Department of Parasitology, Isıklı-Efeler, Aydın, Turkey.
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39
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Greco G, Zarea AAK, Sgroi G, Tempesta M, D'Alessio N, Lanave G, Bezerra-Santos MA, Iatta R, Veneziano V, Otranto D, Chomel B. Zoonotic Bartonella species in Eurasian wolves and other free-ranging wild mammals from Italy. Zoonoses Public Health 2021; 68:316-326. [PMID: 33779044 PMCID: PMC8251765 DOI: 10.1111/zph.12827] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Revised: 02/07/2021] [Accepted: 02/23/2021] [Indexed: 12/11/2022]
Abstract
Bartonellae are emerging vector-borne pathogens infecting humans, domestic mammals and wildlife. Ninety-seven red foxes (Vulpes vulpes), 8 European badgers (Meles meles), 6 Eurasian wolves (Canis lupus), 6 European hedgehogs (Erinaceus europaeus), 3 beech martens (Martes foina) and 2 roe deer (Capreolus capreolus) from Italian Nature Conservatory Parks were investigated for Bartonella infection. Several Bartonella species (9.84%; 95% CI: 4.55-15.12), including zoonotic ones, were molecularly detected among wolves (83.3%; 95% CI: 51-100.00), foxes (4.12%; 95% CI: 0.17-8.08), hedgehogs (33.33%; 95% CI: 0.00-71.05) and a roe deer. Bartonella rochalimae was the most common Bartonella species (i.e. in 4 foxes and 2 wolves) detected. Candidatus B. merieuxii and B. vinsonii subsp. berkhoffii were identified for the first time in wolves. Furthermore, Bartonella schoenbuchensis was identified in a roe deer and a new clone with phylogenetic proximity to B. clarridgeiae was detected in European hedgehogs. Zoonotic and other Bartonella species were significantly more frequent in Eurasian wolves (p < .0001), than in other free-ranging wild mammals, representing a potential reservoir for infection in humans and domestic animals.
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Affiliation(s)
- Grazia Greco
- Veterinary Medicine Department, University of Bari Aldo Moro, Valenzano, Bari, 70010, Italy
| | - Aya Attia Koraney Zarea
- Veterinary Medicine Department, University of Bari Aldo Moro, Valenzano, Bari, 70010, Italy.,Department of Microbiology and Immunology, National Research Centre, Cairo, Egypt
| | - Giovanni Sgroi
- Veterinary Medicine Department, University of Bari Aldo Moro, Valenzano, Bari, 70010, Italy.,Department of Veterinary Medicine and Animal Productions, University of Napoli Federico II, Napoli, Italy
| | - Maria Tempesta
- Veterinary Medicine Department, University of Bari Aldo Moro, Valenzano, Bari, 70010, Italy
| | - Nicola D'Alessio
- Istituto Zooprofilattico Sperimentale del Mezzogiorno, Portici, Italy
| | - Gianvito Lanave
- Veterinary Medicine Department, University of Bari Aldo Moro, Valenzano, Bari, 70010, Italy
| | | | - Roberta Iatta
- Veterinary Medicine Department, University of Bari Aldo Moro, Valenzano, Bari, 70010, Italy
| | - Vincenzo Veneziano
- Department of Veterinary Medicine and Animal Productions, University of Napoli Federico II, Napoli, Italy
| | - Domenico Otranto
- Veterinary Medicine Department, University of Bari Aldo Moro, Valenzano, Bari, 70010, Italy
| | - Bruno Chomel
- Department of Population Health and Reproduction, School of Veterinary Medicine, University of California, Davis, CA, 95616, USA
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40
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Cardoso L, Schallig H, Persichetti MF, Pennisi MG. New Epidemiological Aspects of Animal Leishmaniosis in Europe: The Role of Vertebrate Hosts Other Than Dogs. Pathogens 2021; 10:pathogens10030307. [PMID: 33800782 PMCID: PMC8000700 DOI: 10.3390/pathogens10030307] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 03/01/2021] [Accepted: 03/03/2021] [Indexed: 12/20/2022] Open
Abstract
Infection with Leishmania parasites can lead to severe disease in humans and dogs, which act as a reservoir in zoonotic transmission. An increasing number of reports suggest that leishmaniosis is not restricted to dogs, but also affects many other mammalian and avian species. Consequently, this expands the potential reservoir and is of great public and veterinary health concern. The present study reviews, based on a comprehensive search of scientific literature published from 1 January 2001 to 31 December 2020, the currently available information on animal leishmaniosis in vertebrates in Europe, other than dogs and humans. This review provides an exhaustive list of mammals and birds in which infections with or exposure to Leishmania parasites have been detected in European countries. Most cases are reported from the Mediterranean region. Domestic animals, in particular cats, pose a concern because of close contact with humans. The wildlife reservoir is less likely to contribute to zoonotic transmission, with the exception of hares. This potentially large reservoir needs to be taken into account when developing control measures for zoonotic leishmaniosis. From a veterinary point of view, it is important that veterinarians are better aware of leishmaniosis and trained in its management.
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Affiliation(s)
- Luís Cardoso
- Department of Veterinary Sciences, and Animal and Veterinary Research Centre (CECAV), University of Trás-os-Montes e Alto Douro (UTAD), 5000-801 Vila Real, Portugal
- Correspondence:
| | - Henk Schallig
- Department of Medical Microbiology, Experimental Parasitology Section, Amsterdam University Medical Centres, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands;
| | - Maria Flaminia Persichetti
- Department of Veterinary Sciences, University of Messina, Polo Universitario Annunziata, 98168 Messina, Italy; (M.F.P.); (M.G.P.)
| | - Maria Grazia Pennisi
- Department of Veterinary Sciences, University of Messina, Polo Universitario Annunziata, 98168 Messina, Italy; (M.F.P.); (M.G.P.)
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41
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Schäfer I, Kohn B, Volkmann M, Müller E. Retrospective evaluation of vector-borne pathogens in cats living in Germany (2012-2020). Parasit Vectors 2021; 14:123. [PMID: 33632312 PMCID: PMC7905428 DOI: 10.1186/s13071-021-04628-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Accepted: 02/06/2021] [Indexed: 02/06/2023] Open
Abstract
Background Blood-feeding arthropods can transmit parasitic, bacterial, or viral pathogens to domestic animals and wildlife. Vector-borne infections are gaining significance because of increasing travel and import of pets from abroad as well as the changing climate in Europe. The main objective of this study was to assess the percentage of cats with positive test results for selected vector-borne pathogens in Germany and explore any possible association of such results with time spent abroad. Methods This retrospective study included test results from cats included in the “Feline Travel Profile” established by the LABOKLIN laboratory at the request of veterinarians in Germany between April 2012 and March 2020. This diagnostic panel includes the direct detection of Hepatozoon spp. and Dirofilaria spp. via PCR as well as indirect detection assays (IFAT) for Ehrlichia spp. and Leishmania spp. The panel was expanded to include an IFAT for Rickettsia spp. from July 2015 onwards. Results A total of 624 cats were tested using the “Feline Travel Profile.” Serum for indirect detection assays was available for all 624 cats; EDTA samples for direct detection methods were available from 618 cats. Positive test results were as follows: Ehrlichia spp. IFAT 73 out of 624 (12%), Leishmania spp. IFAT 22 out of 624 (4%), Hepatozoon spp. PCR 53 out of 618 (9%), Dirofilaria spp. PCR 1 out of 618 cats (0.2%), and Rickettsia spp. IFAT 52 out of 467 cats (11%) tested from July 2015 onwards. Three cats had positive test results for more than one pathogen before 2015. After testing for Rickettsia spp. was included in 2015, 19 cats had positive test results for more than one pathogen (Rickettsia spp. were involved in 14 out of these 19 cats). Conclusions At least one pathogen could be detected in 175 out of 624 cats (28%) via indirect and/or direct detection methods. Four percent had positive test results for more than one pathogen. These data emphasize the importance of considering the above-mentioned vector-borne infections as potential differential diagnoses in clinically symptomatic cats. ![]()
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Affiliation(s)
- Ingo Schäfer
- LABOKLIN GmbH and Co. KG, Bad Kissingen, Germany. .,Clinic for Small Animals, Faculty of Veterinary Medicine, Freie Universität Berlin, Berlin, Germany.
| | - Barbara Kohn
- Clinic for Small Animals, Faculty of Veterinary Medicine, Freie Universität Berlin, Berlin, Germany
| | - Maria Volkmann
- Institute of Veterinary Epidemiology and Biostatistics, Freie Universität Berlin, Berlin, Germany
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Tamponi C, Scarpa F, Carta S, Knoll S, Sanna D, Gai C, Pipia AP, Dessì G, Casu M, Varcasia A, Scala A. Seroprevalence and risk factors associated with Leishmania infantum in dogs in Sardinia (Italy), an endemic island for leishmaniasis. Parasitol Res 2021; 120:289-300. [PMID: 33205238 PMCID: PMC7846507 DOI: 10.1007/s00436-020-06973-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Accepted: 11/08/2020] [Indexed: 11/27/2022]
Abstract
Leishmaniasis is a widespread, vector-borne parasitosis causing clinical manifestations in animals and in humans. In dogs, Canine Leishmaniasis has been reported in as much as 50 countries and the Mediterranean basin is known to be one of the most affected zones. Within these areas, the Island of Sardinia (Italy) has long been considered endemic for leishmaniasis and the presence of two arthropod vectors has recently been reported there. Nevertheless, to date, no epidemiological surveys regarding CanL have been carried out on the island. Hence, for the first time, the seroprevalence and the risk factors were investigated. Blood samples, as well as clinical and general information from 1.147 dogs, were collected and analyzed. Dogs consisted of two distinct populations, namely "owned dogs" and "kennel dogs." Anti-Leishmania IgG antibodies were detected using IFAT and samples were scored as positive at a cut-off dilution of 1:80. Data was analyzed using a Chi-squared test and bivariate and multivariate analyses were performed. Overall, 15.4% of dogs were found to be infected with CanL while only 44.1% of these animals exhibited clinical signs. Owned dogs (27.2%) were found to be infected more often than kennel dogs (10.6%); male dogs were found to be more frequently infected than female dogs and the number of infected animals increases with age. The present survey confirmed the endemic nature of leishmaniasis in Sardinia with a similar seroprevalence as mainland Italy. The results obtained serve as validation for the hypothesis that, in endemic areas, clinical CanL representations constitute only a fraction of the leishmaniasis cases.
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Affiliation(s)
- Claudia Tamponi
- Parassitologia, Dipartimento di Medicina Veterinaria, Università degli Studi di Sassari, Via Vienna, 2, 07100 Sassari, Italy
| | - Fabio Scarpa
- Parassitologia, Dipartimento di Medicina Veterinaria, Università degli Studi di Sassari, Via Vienna, 2, 07100 Sassari, Italy
| | - Silvia Carta
- Parassitologia, Dipartimento di Medicina Veterinaria, Università degli Studi di Sassari, Via Vienna, 2, 07100 Sassari, Italy
| | - Stephane Knoll
- Parassitologia, Dipartimento di Medicina Veterinaria, Università degli Studi di Sassari, Via Vienna, 2, 07100 Sassari, Italy
| | - Daria Sanna
- Dipartimento di Scienze Biomediche, Università degli Studi di Sassari, Sassari, Italy
| | - Carolina Gai
- Parassitologia, Dipartimento di Medicina Veterinaria, Università degli Studi di Sassari, Via Vienna, 2, 07100 Sassari, Italy
| | - Anna Paola Pipia
- Parassitologia, Dipartimento di Medicina Veterinaria, Università degli Studi di Sassari, Via Vienna, 2, 07100 Sassari, Italy
| | - Giorgia Dessì
- Parassitologia, Dipartimento di Medicina Veterinaria, Università degli Studi di Sassari, Via Vienna, 2, 07100 Sassari, Italy
| | - Marco Casu
- Parassitologia, Dipartimento di Medicina Veterinaria, Università degli Studi di Sassari, Via Vienna, 2, 07100 Sassari, Italy
| | - Antonio Varcasia
- Parassitologia, Dipartimento di Medicina Veterinaria, Università degli Studi di Sassari, Via Vienna, 2, 07100 Sassari, Italy
| | - Antonio Scala
- Parassitologia, Dipartimento di Medicina Veterinaria, Università degli Studi di Sassari, Via Vienna, 2, 07100 Sassari, Italy
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43
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Pereira A, Maia C. Leishmania infection in cats and feline leishmaniosis: An updated review with a proposal of a diagnosis algorithm and prevention guidelines. CURRENT RESEARCH IN PARASITOLOGY & VECTOR-BORNE DISEASES 2021; 1:100035. [PMID: 35284863 PMCID: PMC8906079 DOI: 10.1016/j.crpvbd.2021.100035] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 05/27/2021] [Indexed: 04/15/2023]
Abstract
Leishmaniosis is a vector-borne disease caused by protozoans of the genus Leishmania, which are transmitted to vertebrates, including cats, through the bites of female phlebotomine sand flies. An increasing number of epidemiological and experimental studies concerning Leishmania infection in cats, as well as case reports of clinical leishmaniosis in these felids, have been published in recent years. In the present study, a comprehensive review was made by sourcing the National Library of Medicine resources to provide updated data on epidemiology, immunopathogenesis, diagnosis, treatment, and prevention of feline leishmaniosis. Cats were found infected with Leishmania parasites worldwide, and feline leishmaniosis appears as an emergent disease mostly reported in countries surrounding the Mediterranean Sea and in Brazil. Cats with impaired immunocompetence seem to have a higher risk to develop clinical disease. The main clinical and clinicopathological findings are dermatological lesions and hypergammaglobulinemia, respectively. Diagnosis of feline leishmaniosis remains a challenge for veterinarians, in part due to the lack of diagnosis support systems. For this reason, a diagnostic algorithm for clinical decision support is herein proposed. No evidence-based treatment protocols are currently available, and these remain empirically based. Control measures are limited and scarce. Thus, a set of prevention guidelines are herein suggested.
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Morelli S, Colombo M, Dimzas D, Barlaam A, Traversa D, Di Cesare A, Russi I, Spoletini R, Paoletti B, Diakou A. Leishmania infantum Seroprevalence in Cats From Touristic Areas of Italy and Greece. Front Vet Sci 2020; 7:616566. [PMID: 33363245 PMCID: PMC7759650 DOI: 10.3389/fvets.2020.616566] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Accepted: 11/23/2020] [Indexed: 12/14/2022] Open
Abstract
Leishmaniosis by Leishmania infantum is a major zoonotic Vector-Borne Disease (VBD) in terms of geographic distribution, pathogenicity and zoonotic potential. While dogs are the main reservoir of L. infantum, the infection in cats is poorly understood although increasingly reported from enzootic and non-enzootic areas. The Mediterranean basin is a key area for leishmaniosis and includes touristic spots that require continuous surveillance for VBDs in consideration of the growing tendency of tourists to travel with their pets. This study evaluated L. infantum seroprevalence in cats living in selected touristic localities of Italy and Greece. A total of 269 cat serum samples from three Sites i.e., 76, 40, and 153 from Adriatic Coast of Abruzzo, Italy (Site A), Giglio Island, Tuscany, Italy (Site B), and Mykonos Island, Greece (Site C), respectively, were included in the survey. Sera samples were subjected to an indirect immunofluorescence antibody assay for the detection of anti-L. infantum specific IgG. Associations between possible risk factors and seropositivity to L. infantum were statistically evaluated. Antibodies against L. infantum were detected in eight out of 269 (3.0%) cats tested i.e., 4/76 (5.3%), 1/40 (2.5%), and 3/153 (2.0%), from sites A, B, and C, respectively. A statistical association between anti-L. infantum antibodies and cohabitation with dogs was shown. This study indicates that feline populations living in the examined Italian and Greek touristic areas are exposed to L. infantum and that they may contribute to the circulation of L. infantum, enhancing the risk of infection for dogs and humans.
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Affiliation(s)
- Simone Morelli
- Faculty of Veterinary Medicine, University of Teramo, Teramo, Italy
| | | | - Dimitris Dimzas
- School of Veterinary Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Alessandra Barlaam
- Department of Sciences of Agriculture, Food and Environment, University of Foggia, Foggia, Italy
| | - Donato Traversa
- Faculty of Veterinary Medicine, University of Teramo, Teramo, Italy
| | - Angela Di Cesare
- Faculty of Veterinary Medicine, University of Teramo, Teramo, Italy
| | - Ilaria Russi
- Faculty of Veterinary Medicine, University of Teramo, Teramo, Italy
| | | | - Barbara Paoletti
- Faculty of Veterinary Medicine, University of Teramo, Teramo, Italy
| | - Anastasia Diakou
- School of Veterinary Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
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Ebani VV, Guardone L, Marra F, Altomonte I, Nardoni S, Mancianti F. Arthropod-Borne Pathogens in Stray Cats from Northern Italy: A Serological and Molecular Survey. Animals (Basel) 2020; 10:E2334. [PMID: 33302522 PMCID: PMC7764348 DOI: 10.3390/ani10122334] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 11/27/2020] [Accepted: 12/04/2020] [Indexed: 12/11/2022] Open
Abstract
Cats may be affected by a wide range of arthropod-borne pathogens (ABPs) of medical and veterinary interest. Between February 2018 and October 2019, 85 blood samples were collected from stray cats from the Emilia Romagna region (northern Italy). Ticks (n = 28) on the examined cats were also collected. Serological and molecular methods were applied to search for infection by Anaplasma phagocytophilum, Bartonella henselae, Coxiella burnetii, Ehrlichia canis, Leishmania spp., Babesia spp., Hepatozoon spp., and Cytauxzoon spp. A total of 71 sera (83.5%) had antibodies to at least one investigated pathogen: 39 (45.9%) were positive for B. henselae, 32 (37.6%) positive for C. burnetii, 12 (14.1%) positive for E. canis, four (4.7%) positive for A. phagocytophilum, and two (2.4%) positive for Leishmania spp. A total of 47 (55.3%) DNA samples were positive by PCR for at least one investigated pathogen: 25 (29.4%) were positive for C. burnetii, 23 (27.1%) positive for B. henselae, two (2.4%) positive for E. canis, five (5.9%) positive for Leishmania spp., and two (2.4%) positive for Cytauxzoon spp. Coinfections were observed in 21 cats (24.7%). No positivity was found for A. phagocytophilum, Babesia spp., or Hepatozoon spp. All ticks were negative. A widespread presence of ABPs in the investigated area of northern Italy was shown. Accurate information on their prevalence may be relevant for feline veterinary medicine, as well as from a One Health perspective.
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Batista JF, Magalhães Neto FDCR, Lopes KSPDP, Sato MO, Costa CHN, Mendonça ILD. Transmission of Leishmania infantum from cats to dogs. ACTA ACUST UNITED AC 2020; 29:e017820. [PMID: 33295378 DOI: 10.1590/s1984-29612020099] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Accepted: 10/05/2020] [Indexed: 11/21/2022]
Abstract
Leishmania infantum infection in cats has been reported in several countries, including Brazil. However, the transmission of visceral leishmaniasis (VL) from cats to another host has not been proven yet. Therefore, the aim of this study was to verify the possibility of L. infantum transmission from cats to dogs. In order to verify the possibility of VL transmission from the cat to the dog, xenodiagnosis was carried out in a VL-positive cat, using 55 female Lutzomyia longipalpis. Five days later, 40 insects were dissected to verify Leishmania infection. The remaining 15 females were fed in a healthy dog. The potential infection of the dog was verified through clinical, serological, parasitological examinations, and PCR, at three, six, and twelve months post-infection. All 55 L. longipalpis females became visibly engorged. Leishmania promastigotes were detected in 27.5% of the dissected insects. Leishmania infection in the dog was confirmed upon first evaluation. DNA sequencing of the parasite isolated from the cat confirmed L. infantum infection and showed 99% similarity with the L. infantum DNA sequences from the dogs. Through this study, it was possible to confirm the L. infantum experimental transmission from a domestic cat to a domestic dog through its biological vector L. longipalpis.
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Affiliation(s)
| | | | | | - Marcello Otake Sato
- Department of Tropical Medicine and Parasitology, Dokkyo Medical University, Kitakobayashi, Mibu, Japan
| | | | - Ivete Lopes de Mendonça
- Departamento de Clínica e Cirurgia Veterinária, Universidade Federal do Piauí - UFPI, Teresina, PI, Brasil
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47
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Foroughi-Parvar F, Sarkari B, Asgari Q, Hatam G. FML-ELISA a novel diagnostic method for detection of feline leishmaniasis in two endemic areas of Iran. J Parasit Dis 2020; 45:279-284. [PMID: 33746415 DOI: 10.1007/s12639-020-01316-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2020] [Accepted: 11/05/2020] [Indexed: 11/30/2022] Open
Abstract
Although canids are regarded as major reservoir hosts for Leishmania infantum, feline leishmaniasis are reported sporadically from different endemic foci of Mediterranean visceral leishmaniasis (VL). Despite the risk of parasite transmission between human and other animals, most of the studies are limited to dogs and few studies are focused to investigate Leishmania sp. among other mammals. This project was aimed to detect L. infantum antibodies of cats in two VL endemic regions of Iran by Fucose Mannose Ligand (FML) and soluble L. infantum antigen (SLA) ELISA. Forty nine stray cats of different age and sex, from Fars and Ardabil provinces (two VL endemic loci of Iran) were sampled, then tested for L. infantum by FML and SLA-ELISA. Sixteen percent (8/49) of cat sera were reported positive by FML-ELISA. SLA-ELISA showed 18.3% (9/48) positive cases in cats. Sensitivity of FML-ELISA was calculated 57% and SLA ELISA 25%. Specificity of FML and SLA ELISA were assessed 78% and 68% respectively. Kappa coefficient of agreement between FML and SLA-ELISA was detected on 0.45. As feline leishmaniasis could be a potential risk in endemic areas, FML-ELISA could be considered as an appropriate examination to detect leishmaniasis in cats.
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Affiliation(s)
- Faeze Foroughi-Parvar
- Department of Parasitology and Mycology, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Bahador Sarkari
- Basic Sciences in Infectious Diseases Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.,Department of Parasitology and Mycology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Qasem Asgari
- Department of Parasitology and Mycology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Gholamreza Hatam
- Basic Sciences in Infectious Diseases Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.,Department of Parasitology and Mycology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
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Hamzaoui BE, Zurita A, Cutillas C, Parola P. Fleas and flea-borne diseases of North Africa. Acta Trop 2020; 211:105627. [PMID: 32652054 DOI: 10.1016/j.actatropica.2020.105627] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2020] [Revised: 07/07/2020] [Accepted: 07/07/2020] [Indexed: 02/06/2023]
Abstract
North Africa has an interesting and rich wildlife including hematophagous arthropods, and specifically fleas, which constitute a large part of the North African fauna, and are recognised vectors of several zoonotic bacteria. Flea-borne organisms are widely distributed throughout the world in endemic disease foci, where components of the enzootic cycle are present. Furthermore, flea-borne diseases could re-emerge in epidemic form because of changes in the vector-host ecology due to environmental and human behaviour modifications. We need to know the real incidences of flea-borne diseases in the world due to this incidence could be much greater than are generally recognized by physicians and health authorities. As a result, diagnosis and treatment are often delayed by health care professionals who are unaware of the presence of these infections and thus do not take them into consideration when attempting to determine the cause of a patient's illness. In this context, this bibliographic review aims to summarise the main species of fleas present in North Africa, their geographical distribution, flea-borne diseases, and their possible re-emergence.
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Affiliation(s)
- Basma El Hamzaoui
- Aix Marseille Univ, IRD, AP-HM, SSA, VITROME; IHU Méditerranée Infection, Marseille, France.
| | - Antonio Zurita
- Department of Microbiology and Parasitology, Faculty of Pharmacy, University of Seville, Profesor García González 2, 41012 Seville, Spain.
| | - Cristina Cutillas
- Department of Microbiology and Parasitology, Faculty of Pharmacy, University of Seville, Profesor García González 2, 41012 Seville, Spain.
| | - Philippe Parola
- Aix Marseille Univ, IRD, AP-HM, SSA, VITROME; IHU Méditerranée Infection, Marseille, France.
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Evaluation of clinicopathological abnormalities in sick cats naturally infected by Leishmania infantum. Heliyon 2020; 6:e05177. [PMID: 33072920 PMCID: PMC7548445 DOI: 10.1016/j.heliyon.2020.e05177] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 08/01/2020] [Accepted: 10/03/2020] [Indexed: 02/06/2023] Open
Abstract
Feline infection by Leishmania infantum (syn. L. chagasi) has been described in areas where canine leishmaniosis is endemic. A wide variety of clinicopathological abnormalities have been reported in cats presenting clinical signs of leishmaniosis but there is a paucity of information regarding cats infected by L. infantum that do not suffer from leishmaniosis but from other diseases. The aim of this study was to compare: a) the frequency of clinicopathological abnormalities and b) the values of hematology, serum biochemistry and urinalysis parameters, between non-infected sick cats and sick cats that were infected by L. infantum. A total of 50 cats with cutaneous, ocular and/or systemic clinical signs that lived in an endemic area and had been tested for infection by L. infantum using PCR from four different tissues, were included. Based on the results of PCR, 20/50 cats were found to be infected and 30/50 non-infected. The only difference between the two groups of cats was that the concentration of inorganic phosphorus (P = 0.043) was higher in infected cats. This finding may suggest an association between infection by L. infantum and feline kidney disease.
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50
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Morelli S, Diakou A, Traversa D, Di Gennaro E, Simonato G, Colombo M, Dimzas D, Grillini M, Frangipane di Regalbono A, Beugnet F, Halos L, Paoletti B, Di Cesare A. First record of Hepatozoon spp. in domestic cats in Greece. Ticks Tick Borne Dis 2020; 12:101580. [PMID: 33113475 DOI: 10.1016/j.ttbdis.2020.101580] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Revised: 09/04/2020] [Accepted: 09/17/2020] [Indexed: 12/16/2022]
Abstract
Feline hepatozoonosis is an emerging disease of domestic and wild felids though there is limited knowledge of this infection, e.g. regarding geographical distribution and parasite species involved. The present study evaluated microscopically and molecularly the occurrence of Hepatozoon spp. in domestic cats from insular (Crete, Mykonos and Skopelos) and continental (prefectures of Attica and Thessaloniki) Greece. Out of 282 cats examined, 72 (25.5 %) scored positive by PCR for Hepatozoon spp. and of them, 9 (12.5 %) showed gamonts on the blood smear microscopic examination. Sequences obtained from 35 of the amplicons proved the presence of two haplotypes of Hepatozoon felis. One, herein called H1 (34/35 amplicons) resulted 100 % identical with H. felis from Italy and isolates from other continents, and ∼98 % similar with a H. felis isolate causing severe clinical signs in Austria. The haplotype H2, found in a cat in Skopelos, had ∼94 % identity with H1, with H. felis isolates from Italy, Israel, Spain, a ∼92 % identity with the isolate from Austria, and ∼94-98 % with isolates from South Africa. These are the first records of H. felis in cat populations from Greece and indicate that the infection may be present at high prevalences in different regions of the country. Furthermore, the results of the molecular and phylogenetic analysis support a recent hypothesis indicating the existence of a species-complex classification for H. felis. Further studies aiming at elucidating the genetic make-up of Hepatozoon populations and possible variations in terms of geographic distribution and clinical relevance are necessary. The importance of a continuous epizootiological monitoring is crucial for the establishment of preventative and control measures protecting the health of cats living in or travelling to enzootic areas.
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Affiliation(s)
- Simone Morelli
- Faculty of Veterinary Medicine, Teaching Veterinary Hospital, University of Teramo, Teramo, Italy
| | - Anastasia Diakou
- Laboratory of Parasitology and Parasitic Diseases, School of Veterinary Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Donato Traversa
- Faculty of Veterinary Medicine, Teaching Veterinary Hospital, University of Teramo, Teramo, Italy
| | - Elisa Di Gennaro
- Faculty of Veterinary Medicine, Teaching Veterinary Hospital, University of Teramo, Teramo, Italy
| | - Giulia Simonato
- Department of Animal Medicine, Production and Health, University of Padova, Legnaro, PD, 35020, Italy
| | - Mariasole Colombo
- Faculty of Veterinary Medicine, Teaching Veterinary Hospital, University of Teramo, Teramo, Italy
| | - Dimitris Dimzas
- Laboratory of Parasitology and Parasitic Diseases, School of Veterinary Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Marika Grillini
- Department of Animal Medicine, Production and Health, University of Padova, Legnaro, PD, 35020, Italy
| | | | | | | | - Barbara Paoletti
- Faculty of Veterinary Medicine, Teaching Veterinary Hospital, University of Teramo, Teramo, Italy
| | - Angela Di Cesare
- Faculty of Veterinary Medicine, Teaching Veterinary Hospital, University of Teramo, Teramo, Italy.
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