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Fernández-Arévalo A, González E, Ballart C, Martín-Martín I, Tebar S, Muñoz C, Jiménez M, Molina R, Gállego M. Typing of Leishmania isolates from vectors and leporids of the Madrid (Spain) outbreak. Parasitology 2024; 151:213-219. [PMID: 38105582 PMCID: PMC10941034 DOI: 10.1017/s0031182023001336] [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: 10/18/2023] [Revised: 11/27/2023] [Accepted: 12/11/2023] [Indexed: 12/19/2023]
Abstract
In 2009, a large outbreak of leishmaniasis, associated with environmental changes, was declared near Madrid (Spain), in which Phlebotomus perniciosus was the vector, whereas the main reservoirs were hares and rabbits. Analysis of isolates from humans, vectors and leporids from the focus identified the Leishmania infantum ITS-Lombardi genotype. However, multilocus enzyme electrophoresis (MLEE), the reference technique for Leishmania typing, and sequencing of the hsp70 gene, a commonly used marker, were not performed. In the present study, 19 isolates from P. perniciosus (n = 11), hares (n = 5) and rabbits (n = 3) from the outbreak area, all characterized as ITS-Lombardi in previous studies, were analysed by MLEE and hsp70 sequencing. The hsp70 results confirmed that all the analysed strains are L. infantum. However, by MLEE, 4 different zymodemes of L. infantum were identified based on variable mobilities of the NP1 enzyme: MON-34 (NP1100, n = 11), MON-80 (NP1130, n = 6), MON-24 (NP1140, n = 1) and MON-331 (NP1150, n = 1). The relative frequency of these zymodemes does not correspond to their usual occurrence in Spain. Moreover, MON-34 and MON-80 were found in P. perniciosus, hares and rabbits for the first time. These findings continue to provide insights into the outbreak and call for further studies with a higher number of strains.
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Affiliation(s)
- Anna Fernández-Arévalo
- Secció de Parasitologia, Departament Biologia, Sanitat i Medi Ambient, Facultat Farmàcia i Ciències de l'Alimentació, Universitat de Barcelona, Barcelona, Spain
| | - Estela González
- Laboratorio de Entomología Médica, Centro Nacional de Microbiología, Instituto de Salud Carlos III, Majadahonda, Spain
| | - Cristina Ballart
- Secció de Parasitologia, Departament Biologia, Sanitat i Medi Ambient, Facultat Farmàcia i Ciències de l'Alimentació, Universitat de Barcelona, Barcelona, Spain
- Institut de Salut Global de Barcelona (ISGlobal), Barcelona, Spain
| | - Inés Martín-Martín
- Laboratorio de Entomología Médica, Centro Nacional de Microbiología, Instituto de Salud Carlos III, Majadahonda, Spain
| | - Silvia Tebar
- Secció de Parasitologia, Departament Biologia, Sanitat i Medi Ambient, Facultat Farmàcia i Ciències de l'Alimentació, Universitat de Barcelona, Barcelona, Spain
| | - Carme Muñoz
- Servei de Microbiologia, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain
- Institut de Recerca Biomèdica Sant Pau, Barcelona, Spain
- Departament de Genètica i Microbiologia, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Maribel Jiménez
- Laboratorio de Entomología Médica, Centro Nacional de Microbiología, Instituto de Salud Carlos III, Majadahonda, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Madrid, Spain
| | - Ricardo Molina
- Laboratorio de Entomología Médica, Centro Nacional de Microbiología, Instituto de Salud Carlos III, Majadahonda, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Madrid, Spain
| | - Montserrat Gállego
- Secció de Parasitologia, Departament Biologia, Sanitat i Medi Ambient, Facultat Farmàcia i Ciències de l'Alimentació, Universitat de Barcelona, Barcelona, Spain
- Institut de Salut Global de Barcelona (ISGlobal), Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Madrid, Spain
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Tunalı V, Özbilgin A. Knock, knock, knocking on Europe 's door: Threat of leishmaniasis in Europe with a focus on Turkey. CURRENT RESEARCH IN PARASITOLOGY & VECTOR-BORNE DISEASES 2023; 4:100150. [PMID: 37941928 PMCID: PMC10628545 DOI: 10.1016/j.crpvbd.2023.100150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 10/03/2023] [Accepted: 10/10/2023] [Indexed: 11/10/2023]
Abstract
Leishmaniasis epidemiology is currently undergoing substantial transformations in both Turkey and Europe, signifying potential implications for public health. This review analyzes the evolving patterns within Turkey and their potential ramifications for Europe. Within Turkey, the dynamics of leishmaniasis are undergoing noteworthy alterations, manifesting in a rise in cutaneous leishmaniasis (CL) cases and the emergence of Leishmania major and Leishmania donovani. These transformations are predominantly driven by factors such as the distribution of vectors, human activities, climate fluctuations, and migration. Across Europe, particularly in countries within the Mediterranean basin, leishmaniasis is endemic, primarily attributed to Leishmania infantum. Recent evidence suggests a resurgence of the disease even in previously non-endemic areas, propelled by climate change, urbanization, and migration. The changing landscape of leishmaniasis in Turkey carries direct implications for Europe. The presence and distribution of Leishmania tropica, L. major, and L. donovani raise concerns regarding cross-border transmission. Turkey's strategic position along migration routes further compounds the risk, alongside the facilitative effects of climate change and host mobility. Embracing a One Health approach with public awareness campaigns should be a priority. To ensure the protection of public health in Europe, it is imperative to adopt a proactive approach by establishing robust surveillance mechanisms, implementing preventive measures, and cultivating collaboration with Turkey. The invaluable experience, strategic geographical location, and well-established infrastructure of Turkey make this collaboration crucial in effectively addressing the evolving dynamics of leishmaniasis and its potential impacts on Europe.
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Affiliation(s)
- Varol Tunalı
- Celal Bayar University Faculty of Medicine, Department of Parasitology, Manisa, Turkey
- Eşrefpaşa Municipality Hospital, Department of Emergency Medicine, Izmir, Turkey
| | - Ahmet Özbilgin
- Celal Bayar University Faculty of Medicine, Department of Parasitology, Manisa, Turkey
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Mas A, Martínez-Rodrigo A, Carrión J, Orden JA, Alzate JF, Domínguez-Bernal G, Horcajo P. Transcriptomic Profile of Canine DH82 Macrophages Infected by Leishmania infantum Promastigotes with Different Virulence Behavior. Int J Mol Sci 2022; 23:ijms23031466. [PMID: 35163386 PMCID: PMC8835757 DOI: 10.3390/ijms23031466] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 01/17/2022] [Accepted: 01/25/2022] [Indexed: 02/07/2023] Open
Abstract
Zoonotic visceral leishmaniosis caused by Leishmania infantum is an endemic disease in the Mediterranean Basin affecting mainly humans and dogs, the main reservoir. The leishmaniosis outbreak declared in the Community of Madrid (Spain) led to a significant increase in human disease incidence without enhancing canine leishmaniosis prevalence, suggesting a better adaptation of the outbreak's isolates by other host species. One of the isolates obtained in the focus, IPER/ES/2012/BOS1FL1 (BOS1FL1), has previously demonstrated a different phenotype than the reference strain MCAN/ES/1996/BCN150 (BCN150), characterized by a lower infectivity when interacting with canine macrophages. Nevertheless, not enough changes in the cell defensive response were found to support their different behavior. Thus, we decided to investigate the molecular mechanisms involved in the interaction of both parasites with DH82 canine macrophages by studying their transcriptomic profiles developed after infection using RNA sequencing. The results showed a common regulation induced by both parasites in the phosphoinositide-3-kinase-protein kinase B/Akt and NOD-like receptor signaling pathways. However, other pathways, such as phagocytosis and signal transduction, including tumor necrosis factor, mitogen-activated kinases and nuclear factor-κB, were only regulated after infection with BOS1FL1. These differences could contribute to the reduced infection ability of the outbreak isolates in canine cells. Our results open a new avenue to investigate the true role of adaptation of L. infantum isolates in their interaction with their different hosts.
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Affiliation(s)
- Alicia Mas
- INMIVET, Department of Animal Health, Faculty of Veterinary Science, Complutense University of Madrid, 28040 Madrid, Spain; (A.M.); (A.M.-R.); (J.C.); (J.A.O.)
| | - Abel Martínez-Rodrigo
- INMIVET, Department of Animal Health, Faculty of Veterinary Science, Complutense University of Madrid, 28040 Madrid, Spain; (A.M.); (A.M.-R.); (J.C.); (J.A.O.)
| | - Javier Carrión
- INMIVET, Department of Animal Health, Faculty of Veterinary Science, Complutense University of Madrid, 28040 Madrid, Spain; (A.M.); (A.M.-R.); (J.C.); (J.A.O.)
| | - José Antonio Orden
- INMIVET, Department of Animal Health, Faculty of Veterinary Science, Complutense University of Madrid, 28040 Madrid, Spain; (A.M.); (A.M.-R.); (J.C.); (J.A.O.)
| | - Juan F. Alzate
- Centro Nacional de Secuenciación Genómica-CNSG, Facultad de Medicina, Departamento de Microbiología y Parasitología, Universidad de Antioquia, Medellín 050010, Colombia;
| | - Gustavo Domínguez-Bernal
- INMIVET, Department of Animal Health, Faculty of Veterinary Science, Complutense University of Madrid, 28040 Madrid, Spain; (A.M.); (A.M.-R.); (J.C.); (J.A.O.)
- Correspondence: ; Tel.: +34-913943814
| | - Pilar Horcajo
- Animal Health and Zoonoses (SALUVET) Group, Animal Health Department, Faculty of Veterinary Sciences, Complutense University of Madrid, 28040 Madrid, Spain;
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Pereira A, Parreira R, Cristóvão JM, Vitale F, Bastien P, Campino L, Maia C. Leishmania infantum strains from cats are similar in biological properties to canine and human strains. Vet Parasitol 2021; 298:109531. [PMID: 34293586 DOI: 10.1016/j.vetpar.2021.109531] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 07/05/2021] [Accepted: 07/11/2021] [Indexed: 11/28/2022]
Abstract
Zoonotic visceral leishmaniosis is a worldwide severe disease caused by Leishmania infantum, a protozoan that has phlebotomine sand flies as vectors and dogs as primary reservoir hosts. Over the last few decades, cats have been regarded as an indisputable piece within the ecological system in which L. infantum is maintained indefinitely. However, little is known about feline strains, including their phenotypic plasticity and infectivity. In this study, the phenotypic behaviour of seven L. infantum feline strains was compared to those of well-characterised counterparts isolated from two dogs and two humans in terms of growth profile, adaptive capacity under several stress conditions, susceptibility to antileishmanial drugs, and infectivity to host cells. Feline strains displayed a similar growth profile, survival capacity, and ability to infect feline, canine, and human monocyte-derived primary macrophages. Furthermore, multivariate cluster analysis suggested that most strains studied did not display distinctive phenotypic features. To our knowledge, this is the first study to analyse the phenotypic behaviour of feline L. infantum strains. This study brings new insights into the hypothetical role of cats as reservoir hosts of L. infantum since the parasites found in them are phenotypically identical to those of dogs and humans. However, further studies on the transmission dynamics should be encouraged to fully establish the status of cats in the maintenance of L. infantum foci.
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Affiliation(s)
- André Pereira
- Global Health and Tropical Medicine (GHMT), Instituto de Higiene e Medicina Tropical (IHMT), Universidade Nova de Lisboa (NOVA), 1349-008, Lisbon, Portugal; Medical Parasitology Unit, IHMT/NOVA, 1349-008, Lisbon, Portugal
| | - Ricardo Parreira
- Global Health and Tropical Medicine (GHMT), Instituto de Higiene e Medicina Tropical (IHMT), Universidade Nova de Lisboa (NOVA), 1349-008, Lisbon, Portugal; Medical Microbiology Unit, IHMT/NOVA, 1349-008, Lisbon, Portugal
| | - José Manuel Cristóvão
- Global Health and Tropical Medicine (GHMT), Instituto de Higiene e Medicina Tropical (IHMT), Universidade Nova de Lisboa (NOVA), 1349-008, Lisbon, Portugal; Medical Parasitology Unit, IHMT/NOVA, 1349-008, Lisbon, Portugal
| | - Fabrizio Vitale
- OIE Leishmaniasis Reference Laboratory, Istituto Zooprofilattico Sperimentale della Sicilia, 90129, Palermo, Italy
| | - Patrick Bastien
- University of Montpellier, CNRS, IRD, Research Unit "MIVEGEC", Centre National de Reference pour les Leishmanioses, Academic Hospital (C.H.U.) of Montpellier, 34090, Montpellier, France
| | - Lenea Campino
- Medical Parasitology Unit, IHMT/NOVA, 1349-008, Lisbon, Portugal
| | - Carla Maia
- Global Health and Tropical Medicine (GHMT), Instituto de Higiene e Medicina Tropical (IHMT), Universidade Nova de Lisboa (NOVA), 1349-008, Lisbon, Portugal; Medical Parasitology Unit, IHMT/NOVA, 1349-008, Lisbon, Portugal.
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