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Alvarado-Hidalgo I, Campos-Camacho J, Arguedas-Morales Y, Romero-Vega LM, Alfaro-Alarcón A, Anchia-Ureña G, Bass LG, Berrocal-Ávila I, Hagnauer I, Olivares RWI, Solano-Barquero A, Traube-Rivera R, Montenegro-Hidalgo V, Rojas A. Molecular, morphological and histopathological evidence of Spirometra mansoni in wild and domestic animals from Costa Rica. Vet Parasitol Reg Stud Reports 2024; 51:101030. [PMID: 38772646 DOI: 10.1016/j.vprsr.2024.101030] [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: 01/30/2024] [Revised: 04/03/2024] [Accepted: 04/29/2024] [Indexed: 05/23/2024]
Abstract
Spirometra mansoni is a diphyllobothroid cestode and one of the causing agents of sparganosis, a zoonotic foodborne and waterborne infection in humans. This parasite has an indirect life cycle with domestic and wild canids or felids as definitive hosts. The last report of S. mansoni in Costa Rica was done in 2004 by morphological assessment of worms, whereas molecular evidence of this species was obtained recently in the Americas. Herein, we present seven cases of spirometrosis in four dogs, three cats and a coyote from different regions of Costa Rica occurring in a time span of a year. Dog cases presented vomiting, hyporexia, lethargy and diarrhea, whereas cats were mostly asymptomatic. Moreover, the coyote was found with Spirometra sp. proglottids incidentally. Cytochrome oxidase subunit 1 (cox1) sequences of eggs or proglottids derived from all cases were analyzed with a Bayesian Inference phylogenetic tree and a haplotype network. These analyses showed the clustering of S. mansoni from Costa Rica with other sequences derived from Asia and America. Moreover, cox1 sequences clustered in two separate haplotypes, suggesting the high genetic diversity of the species. The present cases represent the first molecular evidence of the parasite in Central America; thus, extending its known range in the American continent.
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Affiliation(s)
- Irene Alvarado-Hidalgo
- Laboratorio Veterinario Diagnóstico Albeitar, San José, Costa Rica; Department of Population Medicine and Diagnostic Sciences, College of Veterinary Medicine, Cornell University, New York, United States
| | - Josué Campos-Camacho
- Laboratorio de Patología Veterinaria LAPAVET-ESFA, Cátedra de Patología e Histología, Escuela de Medicina y Cirugía Veterinaria San Francisco de Asís, San José, Costa Rica
| | | | - Luis M Romero-Vega
- Pathology Department, School of Veterinary Medicine, Universidad Nacional, Heredia, Costa Rica
| | - Alejandro Alfaro-Alarcón
- Pathology Department, School of Veterinary Medicine, Universidad Nacional, Heredia, Costa Rica; Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Virology, Berlin, Germany
| | | | - Laura G Bass
- Laboratorio de Patología Veterinaria LAPAVET-ESFA, Cátedra de Patología e Histología, Escuela de Medicina y Cirugía Veterinaria San Francisco de Asís, San José, Costa Rica
| | | | - Isabel Hagnauer
- Rescate Wildlife Rescue Center, Fundación Restauración de la Naturaleza, Alajuela, Costa Rica
| | - Roberto W I Olivares
- Laboratorio de Patología Veterinaria LAPAVET-ESFA, Cátedra de Patología e Histología, Escuela de Medicina y Cirugía Veterinaria San Francisco de Asís, San José, Costa Rica
| | - Alberto Solano-Barquero
- Laboratory of Helminthology, Faculty of Microbiology, University of Costa Rica, San José, Costa Rica.; Centro de Investigación en Enfermedades Tropicales, University of Costa Rica, San José, Costa Rica
| | | | - Víctor Montenegro-Hidalgo
- Laboratory of Parasitology, School of Veterinary Medicine, Universidad Nacional de Costa Rica, Heredia, Costa Rica
| | - Alicia Rojas
- Laboratory of Helminthology, Faculty of Microbiology, University of Costa Rica, San José, Costa Rica.; Centro de Investigación en Enfermedades Tropicales, University of Costa Rica, San José, Costa Rica..
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Morales A, Laird-Pérez RM, Capó V, Iglesias E, Fonte L, Plascencia-Hernández A, Calderón EJ, Eom KS, de Armas Y, Pérez-Gómez HR. Genetic and Morphological Identification of Spirometra decipiens in Snakes and Domestic Dog Found in Cuba. Pathogens 2022; 11:pathogens11121468. [PMID: 36558802 PMCID: PMC9780860 DOI: 10.3390/pathogens11121468] [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: 10/25/2022] [Revised: 12/01/2022] [Accepted: 12/02/2022] [Indexed: 12/12/2022] Open
Abstract
Spirometra (Cestoda: Diphyllobothriidea) affects humans and some species of domestic and wild animals which eventually interact with humans. In this article, we report three new cases of Spirometra decipiens (Diesing, 1850) infection observed in two intermediate hosts and one definitive host, in Cuba. Genetic and morphological identification of S. decipiens in two snakes and a domestic dog were carried out by molecular means and routine histological study using hematoxylin-eosin staining, respectively. Taken together, the anatomical location, the host species infected with the specimens and their morphological and genetic features, all the samples were identified as S. decipiens. In each of the three cases, PCR assays using specific primers amplified bands that corresponded to S. decipiens species. To our knowledge, this paper is the first report of S. decipiens in species of Cuban endemic fauna and in the Caribbean islands. These species constitute a real or potential risk of transmission of Spirometra to humans in Cuba.
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Affiliation(s)
- Alexander Morales
- Pathology Department, Hospital Center, Institute of Tropical Medicine “Pedro Kourí”, Havana 11400, Cuba
| | - Rebeca M. Laird-Pérez
- Teaching Department, Institute of Tropical Medicine “Pedro Kourí”, Havana 11400, Cuba
| | - Virginia Capó
- Pathology Department, Hospital Center, Institute of Tropical Medicine “Pedro Kourí”, Havana 11400, Cuba
| | - Enrique Iglesias
- Centro de Ingeniería Genética y Biotecnología, Habana 11400, Cuba
| | - Luis Fonte
- Parasitology Department, Institute of Tropical Medicine “Pedro Kourí”, Havana 11400, Cuba
| | | | - Enrique J. Calderón
- Instituto de Biomedicina de Sevilla, Hospital Universitario Virgen del Rocío/Consejo Superior de Investigaciones Científicas/Universidad de Sevilla, 41013 Seville, Spain
- Centro de Investigación Biomédica en Red de Epidemiología y Salud Pública (CIBERESP), 28029 Madrid, Spain
| | - Keeseon S. Eom
- Department of Parasitology and Medical Research Institute, School of Medicine, Chungbuk National University, Chungbuk 361-763, Cheongju 28644, Republic of Korea
| | - Yaxsier de Armas
- Pathology Department, Hospital Center, Institute of Tropical Medicine “Pedro Kourí”, Havana 11400, Cuba
- Department of Clinical Microbiology Diagnosis, Hospital Center, Institute of Tropical Medicine “Pedro Kourí”, Havana 11400, Cuba
| | - Héctor R. Pérez-Gómez
- Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara 44100, Mexico
- Correspondence: ; Tel.: +52-333-808-0396
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Epidemiology, Diagnosis, and Prevention of Sparganosis in Asia. Animals (Basel) 2022; 12:ani12121578. [PMID: 35739914 PMCID: PMC9219546 DOI: 10.3390/ani12121578] [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: 04/17/2022] [Revised: 06/09/2022] [Accepted: 06/15/2022] [Indexed: 11/17/2022] Open
Abstract
Sparganosis is a zoonotic parasitic disease caused by the larvae (spargana) of the genus Spirometra, which is widely distributed globally and threatens human health. More than 60 species of Spirometra have already been identified, and over 2000 cases have been reported. This review summarizes the prevalence of humans, frogs, snakes, and other animals with spargana. Furthermore, the infection mode, distribution, and site are summarized and analyzed. We also describe the epidemiology, molecular diagnosis, and other aspects which are of considerable significance to preventing sparganum.
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Mathison BA, Sapp SGH. An annotated checklist of the eukaryotic parasites of humans, exclusive of fungi and algae. Zookeys 2021; 1069:1-313. [PMID: 34819766 PMCID: PMC8595220 DOI: 10.3897/zookeys.1069.67403] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Accepted: 08/20/2021] [Indexed: 12/13/2022] Open
Abstract
The classification of "parasites" in the medical field is a challenging notion, a group which historically has included all eukaryotes exclusive of fungi that invade and derive resources from the human host. Since antiquity, humans have been identifying and documenting parasitic infections, and this collective catalog of parasitic agents has expanded considerably with technology. As our understanding of species boundaries and the use of molecular tools has evolved, so has our concept of the taxonomy of human parasites. Consequently, new species have been recognized while others have been relegated to synonyms. On the other hand, the decline of expertise in classical parasitology and limited curricula have led to a loss of awareness of many rarely encountered species. Here, we provide a comprehensive checklist of all reported eukaryotic organisms (excluding fungi and allied taxa) parasitizing humans resulting in 274 genus-group taxa and 848 species-group taxa. For each species, or genus where indicated, a concise summary of geographic distribution, natural hosts, route of transmission and site within human host, and vectored pathogens are presented. Ubiquitous, human-adapted species as well as very rare, incidental zoonotic organisms are discussed in this annotated checklist. We also provide a list of 79 excluded genera and species that have been previously reported as human parasites but are not believed to be true human parasites or represent misidentifications or taxonomic changes.
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Affiliation(s)
- Blaine A. Mathison
- Institute for Clinical and Experimental Pathology, ARUP Laboratories, Salt Lake City, UT, USAInstitute for Clinical and Experimental PathologySalt Lake CityUnited States of America
| | - Sarah G. H. Sapp
- Parasitic Diseases Branch, Division of Parasitic Diseases and Malaria, Centers for Disease Control and Prevention, Atlanta, GA, USACenters for Disease Control and PreventionAtlantaUnited States of America
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Green J, Jakins C, Asfaw E, Bruschi N, Parker A, de Waal L, D’Cruze N. African Lions and Zoonotic Diseases: Implications for Commercial Lion Farms in South Africa. Animals (Basel) 2020; 10:ani10091692. [PMID: 32962130 PMCID: PMC7552683 DOI: 10.3390/ani10091692] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 09/14/2020] [Accepted: 09/17/2020] [Indexed: 12/30/2022] Open
Abstract
Simple Summary In South Africa, thousands of African lions are bred on farms for commercial purposes, such as tourism, trophy hunting, and traditional medicine. Lions on farms often have direct contact with people, such as farm workers and tourists. Such close contact between wild animals and humans creates opportunities for the spread of zoonotic diseases (diseases that can be passed between animals and people). To help understand the health risks associated with lion farms, our study compiled a list of pathogens (bacteria, viruses, parasites, and fungi) known to affect African lions. We reviewed 148 scientific papers and identified a total of 63 pathogens recorded in both wild and captive lions, most of which were parasites (35, 56%), followed by viruses (17, 27%) and bacteria (11, 17%). This included pathogens that can be passed from lions to other animals and to humans. We also found a total of 83 diseases and clinical symptoms associated with these pathogens. Given that pathogens and their associated infectious diseases can cause harm to both animals and public health, we recommend that the lion farming industry in South Africa takes action to prevent and manage potential disease outbreaks. Abstract African lions (Panthera leo) are bred in captivity on commercial farms across South Africa and often have close contact with farm staff, tourists, and other industry workers. As transmission of zoonotic diseases occurs through close proximity between wildlife and humans, these commercial captive breeding operations pose a potential risk to thousands of captive lions and to public health. An understanding of pathogens known to affect lions is needed to effectively assess the risk of disease emergence and transmission within the industry. Here, we conduct a systematic search of the academic literature, identifying 148 peer-reviewed studies, to summarize the range of pathogens and parasites known to affect African lions. A total of 63 pathogenic organisms were recorded, belonging to 35 genera across 30 taxonomic families. Over half were parasites (35, 56%), followed by viruses (17, 27%) and bacteria (11, 17%). A number of novel pathogens representing unidentified and undescribed species were also reported. Among the pathogenic inventory are species that can be transmitted from lions to other species, including humans. In addition, 83 clinical symptoms and diseases associated with these pathogens were identified. Given the risks posed by infectious diseases, this research highlights the potential public health risks associated with the captive breeding industry. We recommend that relevant authorities take imminent action to help prevent and manage the risks posed by zoonotic pathogens on lion farms.
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Affiliation(s)
- Jennah Green
- World Animal Protection 222 Gray’s Inn Rd., London WC1X 8HB, UK; (J.G.); (E.A.); (N.B.); (A.P.)
| | - Catherine Jakins
- Blood Lion NPC, P.O. Box 1548, Kloof 3640, South Africa; (C.J.); (L.d.W.)
| | - Eyob Asfaw
- World Animal Protection 222 Gray’s Inn Rd., London WC1X 8HB, UK; (J.G.); (E.A.); (N.B.); (A.P.)
| | - Nicholas Bruschi
- World Animal Protection 222 Gray’s Inn Rd., London WC1X 8HB, UK; (J.G.); (E.A.); (N.B.); (A.P.)
| | - Abbie Parker
- World Animal Protection 222 Gray’s Inn Rd., London WC1X 8HB, UK; (J.G.); (E.A.); (N.B.); (A.P.)
| | - Louise de Waal
- Blood Lion NPC, P.O. Box 1548, Kloof 3640, South Africa; (C.J.); (L.d.W.)
| | - Neil D’Cruze
- World Animal Protection 222 Gray’s Inn Rd., London WC1X 8HB, UK; (J.G.); (E.A.); (N.B.); (A.P.)
- Correspondence:
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Zhang X, Hong X, Liu SN, Jiang P, Zhao SC, Sun CX, Wang ZQ, Cui J. Large-scale survey of a neglected agent of sparganosis Spirometra erinaceieuropaei (Cestoda: Diphyllobothriidae) in wild frogs in China. PLoS Negl Trop Dis 2020; 14:e0008019. [PMID: 32101542 PMCID: PMC7043720 DOI: 10.1371/journal.pntd.0008019] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Accepted: 12/31/2019] [Indexed: 01/31/2023] Open
Abstract
Background In China, frogs play an understudied role in the spread of human sparganosis (caused by the larval form of Spirometra). However, our knowledge about the prevalence of sparganum infection in frogs remains fragmented, and the taxonomic identification of the parasite is still controversial. Methodology/Principal findings The prevalence of sparganum infection in wild frogs was surveyed at 145 geographical locations from 28 of the 34 provinces/autonomous regions/municipalities in China for six years. The collected sparganum isolates from the different locations were subjected to molecular identification by a multiplex PCR assay and then were analysed with clustering analysis. In the survey, sparganum infection was found in 8 out of 13 of the collected frog species, and the most frequently infected species was Pelophylax nigromaculatus (the infection rate was up to 14.07%). Infected frogs were found in 80 of the 145 surveyed locations. The sparganum infection rates in the wild frogs in several regions of China were still high (above 10%), especially in South and Southwest China. A total of 72 spargana were selected for molecular identification, and the clustering analysis showed that sequences from the Chinese isolates were very similar to those identified as from Spirometra erinaceieuropaei. However, the taxonomy of the genus remains confused and further analysis is required. Conclusions Eating wild frogs is associated with considerable health risks in China. Several traditional Chinese folk remedies may increase the risk of infection. The sparganum isolates in China are most likely from S. erinaceieuropaei, but new studies, especially comprehensive morphological analyses, are needed in the future. Human sparganosis has increased in recent years in China. Frogs play an important role in the spread of sparganosis. However, our knowledge about the prevalence of sparganum infection in frogs remains incomplete, and the taxonomic identification of sparganum is still controversial. In this study, the prevalence of sparganum infection in frogs was surveyed at 145 geographical locations in China. In addition, 72 spargana representing 72 distinct geographical isolates were selected for molecular identification. Frogs that tested positive for sparganum infection were found in 80 of the 145 surveyed locations, and the average infection rate was 10.96% (447/4078), with most of the spargana present in the thigh muscles of the infected frogs. The levels of sparganum infections in wild frogs in South and Southwest China were higher than those in the central and eastern regions. In the molecular identification analysis, all of the isolates revealed two specific bands in the multiplex PCR assay; the further clustering analysis of the sequenced PCR products showed that the Chinese isolates had a close relationship with Spirometra erinaceieuropaei.
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Affiliation(s)
- Xi Zhang
- Department of Parasitology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Xiu Hong
- Department of Parasitology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Shi Nan Liu
- Department of Parasitology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Peng Jiang
- Department of Parasitology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Shu Chuan Zhao
- Department of Parasitology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Chuan Xi Sun
- Department of Parasitology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Zhong Quan Wang
- Department of Parasitology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
- * E-mail: (ZQW); (JC)
| | - Jing Cui
- Department of Parasitology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
- * E-mail: (ZQW); (JC)
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