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De NV, Minh PN, Le TH, Dung DT, Duong TT, Tuan BV, Dong LT, Chau NVV, Cuervo PF, Bargues MD, Valero MA, Gabrielli AF, Montresor A, Mas-Coma S. A multidisciplinary analysis of over 53,000 fascioliasis patients along the 1995-2019 countrywide spread in Vietnam defines a new epidemiological baseline for One Health approaches. One Health 2024; 19:100869. [PMID: 39220760 PMCID: PMC11364005 DOI: 10.1016/j.onehlt.2024.100869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2024] [Revised: 07/30/2024] [Accepted: 07/30/2024] [Indexed: 09/04/2024] Open
Abstract
Fascioliasis, only foodborne trematodiasis of worldwide distribution, is caused by Fasciola hepatica and F. gigantica, liver flukes transmitted by freshwater snails. Southern and southeastern Asia is an emerging hot spot of F. gigantica, despite its hitherto less involvement in human infection. In Vietnam, increasing cases have been reported since 1995, whereas only sixteen throughout 1800-1994. A database was created to include epidemiological data of fascioliasis patients from the 63 Vietnam provinces throughout 1995-2019. Case profiles were based on serology, symptoms, eosinophilia, imaging techniques, stool egg finding, and post-specific-treatment recovery. Radio broadcasting about symptoms and costless diagnosis/treatment led patients to hospitals after symptom onset. Yearly case numbers were modelled and spatio-temporally analyzed. Missing data and confounders were assessed. The countrywide spread has no precedent. It started in the central coast, including 53,109 patients, mostly adults and females. Seasonality, linked to vegetable consumption, peaks in June, although the intensity of this peak differs according to relief/climatic zones. Incidence data and logistic regression curves are obtained for the first time in human fascioliasis. Fasciolid hybrids accompanying the spreading F. gigantica flukes, and climate change assessed by risk index correlations, are both ruled out as outbreak causes. Human-guided movements of livestock from an original area prove to be the way used by fasciolids and lymnaeid vectors to expand geographically. Radix viridis, a highly efficient transmitting and colonizing vector, played a decisive role in the spread. The use of irrigated crop fields, widely inhabited by R. viridis, for livestock grazing facilitated the transmission and spread of the disease. General physician awareness and diagnostic capacity improvement proved the successful impact of such knowledge transfer in facilitating and increasing patient infection detection. Information, education and communication to the public by radio broadcasting demonstrated to be very helpful. Fasciola gigantica is able to cause epidemic and endemic situations similar to F. hepatica. The magnitude of the human outbreak in Vietnam is a health wake-up call for southern and southeastern countries of Asia which present the highest human population densities with increasing food demands, uncontrolled livestock inter-country exchange, foreign import practices, and monsoon's increasing climate change impact.
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Affiliation(s)
- Nguyen Van De
- Ha Noi Medical University, 01 Ton That Tung, Ha Noi, Viet Nam
| | - Pham Ngoc Minh
- Ha Noi Medical University, 01 Ton That Tung, Ha Noi, Viet Nam
| | - Thanh Hoa Le
- Institute of Biotechnology, 18 Hoang Quoc Viet, Ha Noi, Viet Nam
| | - Do Trung Dung
- National Institute of Malariology, Parasitology and Entomology, Ha Noi, Viet Nam
| | - Tran Thanh Duong
- National Institute of Malariology, Parasitology and Entomology, Ha Noi, Viet Nam
| | - Bui Van Tuan
- Quy Nhon Institute of Malariology, Parasitology and Entomology, Quy Nhon, Viet Nam
| | - Le Thanh Dong
- Ho Chi Minh Institute of Malariology, Parasitology and Entomology, Ho Chi Minh, Viet Nam
| | | | - Pablo F. Cuervo
- Departamento de Parasitología, Facultad de Farmacia, Universidad de Valencia, Av. Vicente Andrés Estellés s/n, 46100 Burjassot, Valencia, Spain
- CIBER de Enfermedades Infecciosas, Instituto de Salud Carlos III, C/ Monforte de Lemos 3-5. Pabellón 11. Planta 0, 28029 Madrid, Spain
| | - M. Dolores Bargues
- Departamento de Parasitología, Facultad de Farmacia, Universidad de Valencia, Av. Vicente Andrés Estellés s/n, 46100 Burjassot, Valencia, Spain
- CIBER de Enfermedades Infecciosas, Instituto de Salud Carlos III, C/ Monforte de Lemos 3-5. Pabellón 11. Planta 0, 28029 Madrid, Spain
| | - M. Adela Valero
- Departamento de Parasitología, Facultad de Farmacia, Universidad de Valencia, Av. Vicente Andrés Estellés s/n, 46100 Burjassot, Valencia, Spain
- CIBER de Enfermedades Infecciosas, Instituto de Salud Carlos III, C/ Monforte de Lemos 3-5. Pabellón 11. Planta 0, 28029 Madrid, Spain
| | - Albis Francesco Gabrielli
- Global Neglected Tropical Diseases Programme (NTD), World Health Organization, Avenue Appia 20, CH-1211 Geneva 27, Switzerland
| | - Antonio Montresor
- Global Neglected Tropical Diseases Programme (NTD), World Health Organization, Avenue Appia 20, CH-1211 Geneva 27, Switzerland
| | - Santiago Mas-Coma
- Departamento de Parasitología, Facultad de Farmacia, Universidad de Valencia, Av. Vicente Andrés Estellés s/n, 46100 Burjassot, Valencia, Spain
- CIBER de Enfermedades Infecciosas, Instituto de Salud Carlos III, C/ Monforte de Lemos 3-5. Pabellón 11. Planta 0, 28029 Madrid, Spain
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Getahun YA, Tsalke BS, Buzuneh AW, Mejo MM, Habtewold WT. Equine helminths: prevalence and associated risk factors in Gamo Gofa Zone, Ethiopia. J Vet Sci 2024; 25:e41. [PMID: 38834511 PMCID: PMC11156592 DOI: 10.4142/jvs.23291] [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: 11/28/2023] [Revised: 01/24/2024] [Accepted: 02/12/2024] [Indexed: 06/06/2024] Open
Abstract
IMPORTANCE Equines are indispensable in reducing the huge burden on children and women and income generation. On the other hand, minimal attention is given to improving their health and welfare. OBJECTIVE This study examined the prevalence and associated risk factors of helminth parasites of equine in the Gamo Gofa Zone. METHODS A cross-sectional study was employed from June 2019 to March 2020. The study districts and Kebeles were selected purposively based on agroecology whereas selection of study households and animals were performed based on simple random sampling techniques. Identification of nematode, trematode parasite ova and larvae of D. arnfieldi were done by floatation, sedimentation, and Baermann techniques respectively. Descriptive statistics and logistic regression was applied to estimate the prevalence and association of risk factors with helminth parasites. RESULTS The overall helminth parasite prevalence in the study area was 90.4%, 425/470 (95% [CI], 87.16-92.9). The prevalence of Strongyle, Fasciola, O. equi, P. equorum, D. arnfieldi, and mixed parasite infections were 65.1%, 21.7%, 17.4%, 34%, 34%, and 58.1%, respectively. Infections from Fasciola species and D. arnfieldi infection were four ([AOR], 4.4; 95% CI, 2-9.4) and two times (AOR, 2; 95% CI, 1.1-3.6) respectively more likely occur in donkeys than in mules. The occurrence of Strongyle species in midland agroecology was two times (AOR, 2.6; 95% CI, 1.4-4.7) more likely than lowland agroecology. CONCLUSIONS AND RELEVANCE The present study identified diverse species of equine helminth parasites that necessitate urgent disease control and prevention measures.
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Affiliation(s)
- Yared Abate Getahun
- Livestock and Fishery Research Center, College of Agriculture, Arba Minch University, Arba Minch, SNNPR 4400, Ethiopia.
| | - Bekahegn Simeon Tsalke
- Livestock and Fishery Research Center, College of Agriculture, Arba Minch University, Arba Minch, SNNPR 4400, Ethiopia
| | - Abreham Wondimu Buzuneh
- Livestock and Fishery Research Center, College of Agriculture, Arba Minch University, Arba Minch, SNNPR 4400, Ethiopia
| | - Mekoya Mereta Mejo
- Livestock and Fishery Research Center, College of Agriculture, Arba Minch University, Arba Minch, SNNPR 4400, Ethiopia
| | - Wondyfraw Tsegaw Habtewold
- Department of Animal Science, College of Agriculture, Arba Minch University, Arba Minch, SNNPR 4400, Ethiopia
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Mas-Coma S, Valero MA, Bargues MD. Fascioliasis. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2024; 1454:157-201. [PMID: 39008266 DOI: 10.1007/978-3-031-60121-7_5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/16/2024]
Affiliation(s)
- Santiago Mas-Coma
- Departamento de Farmacia y Tecnología Farmacéutica y Parasitología, Facultad de Farmacia, Universidad de Valencia, Burjassot, Valencia, Spain.
- CIBER de Enfermedades Infecciosas, Instituto de Salud Carlos III, Madrid, Spain.
| | - Mª Adela Valero
- Departamento de Farmacia y Tecnología Farmacéutica y Parasitología, Facultad de Farmacia, Universidad de Valencia, Burjassot, Valencia, Spain
| | - Mª Dolores Bargues
- Departamento de Farmacia y Tecnología Farmacéutica y Parasitología, Facultad de Farmacia, Universidad de Valencia, Burjassot, Valencia, Spain
- CIBER de Enfermedades Infecciosas, Instituto de Salud Carlos III, Madrid, Spain
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Dube A, Kalinda C, Manyangadze T, Mindu T, Chimbari MJ. Effects of temperature on the life history traits of intermediate host snails of fascioliasis: A systematic review. PLoS Negl Trop Dis 2023; 17:e0011812. [PMID: 38048345 PMCID: PMC10721167 DOI: 10.1371/journal.pntd.0011812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 12/14/2023] [Accepted: 11/21/2023] [Indexed: 12/06/2023] Open
Abstract
BACKGROUND The impact of climate change has led to variations in various biological processes, leading to altered transmission dynamics of infectious diseases, including snail-borne diseases (SBDs). Fascioliasis is one of the neglected zoonotic tropical snail-borne diseases caused by the trematode of the genus Fasciola. This review focused on laboratory experimental and model studies that evaluate the potential effect of temperature change on the ecology and biology of the intermediate host snails (IHS) of Fasciola. METHODS A literature search was conducted on Google Scholar, EBSCOhost, and PubMed databases using predefined medical subject heading terms, Boolean operators, and truncation symbols in combination with direct keywords: Fasciolosis AND Temperature, Lymnaea OR Austropeplea OR Radix OR Galba OR Fossaria OR Pseudosuccinea AND growth, fecundity, AND survival at the global scale. Other search terms used were (Fascioliasis AND Temperature), (Lymnaea AND Temperature), (Austropeplea AND Temperature), (Fossaria AND Temperature), (Galba AND Temperature), (Pseudosuccinea AND Temperature), and (Radix AND Temperature). RESULTS The final synthesis included thirty-five published articles. The studies reviewed indicated that temperature rise may alter the distribution, and optimal conditions for breeding, growth, and survival of IHS, ultimately resulting in changing the transmission dynamics of fascioliasis. The literature also confirmed that the life history traits of IHS and their interaction with the liver fluke parasites are driven by temperature, and hence climate change may have profound outcomes on the population size of snails, parasite density, and disease epidemiology. CONCLUSION We concluded that understanding the impact of temperature on the growth, fecundity, and survival of IHS may broaden our knowledge of the possible effects of climate change and hence inform fascioliasis control programs.
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Affiliation(s)
- Agrippa Dube
- School of Nursing and Public Health, College of Health Sciences, Howard College Campus, University of KwaZulu-Natal, Durban, South Africa
| | - Chester Kalinda
- School of Nursing and Public Health, College of Health Sciences, Howard College Campus, University of KwaZulu-Natal, Durban, South Africa
- University of Global Health Equity (UGHE), Bill and Joyce Cummings Institute of Global Health, Kigali Heights, Kigali, Rwanda
| | - Tawanda Manyangadze
- School of Nursing and Public Health, College of Health Sciences, Howard College Campus, University of KwaZulu-Natal, Durban, South Africa
- Geosciences Department, School Geosciences, Disaster and Sustainable Development, Faculty of Science and Engineering, Bindura University of Science and Technology, Bindura, Zimbabwe
| | - Tafadzwa Mindu
- School of Nursing and Public Health, College of Health Sciences, Howard College Campus, University of KwaZulu-Natal, Durban, South Africa
| | - Moses John Chimbari
- School of Nursing and Public Health, College of Health Sciences, Howard College Campus, University of KwaZulu-Natal, Durban, South Africa
- Office of the Pro-Vice Chancellor: Academic Affairs, Research and Innovation, Great Zimbabwe University, Masvingo, Zimbabwe
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Mas-Coma S, Valero MA, Bargues MD. Human and Animal Fascioliasis: Origins and Worldwide Evolving Scenario. Clin Microbiol Rev 2022; 35:e0008819. [PMID: 36468877 PMCID: PMC9769525 DOI: 10.1128/cmr.00088-19] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Fascioliasis is a plant- and waterborne zoonotic parasitic disease caused by two trematode species: (i) Fasciola hepatica in Europe, Asia, Africa, the Americas, and Oceania and (ii) F. gigantica, which is restricted to Africa and Asia. Fasciolid liver flukes infect mainly herbivores as ruminants, equids, and camelids but also omnivore mammals as humans and swine and are transmitted by freshwater Lymnaeidae snail vectors. Two phases may be distinguished in fasciolid evolution. The long predomestication period includes the F. gigantica origin in east-southern Africa around the mid-Miocene, the F. hepatica origin in the Near-Middle East of Asia around the latest Miocene to Early Pliocene, and their subsequent local spread. The short postdomestication period includes the worldwide spread by human-guided movements of animals in the last 12,000 years and the more recent transoceanic anthropogenic introductions of F. hepatica into the Americas and Oceania and of F. gigantica into several large islands of the Pacific with ships transporting livestock in the last 500 years. The routes and chronology of the spreading waves followed by both fasciolids into the five continents are redefined on the basis of recently generated knowledge of human-guided movements of domesticated hosts. No local, zonal, or regional situation showing disagreement with historical records was found, although in a few world zones the available knowledge is still insufficient. The anthropogenically accelerated evolution of fasciolids allows us to call them "peridomestic endoparasites." The multidisciplinary implications for crucial aspects of the disease should therefore lead the present baseline update to be taken into account in future research studies.
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Affiliation(s)
- Santiago Mas-Coma
- Departamento de Parasitologia, Facultad de Farmacia, Universidad de Valencia, Valencia, Spain
- CIBER de Enfermedades Infecciosas, Instituto de Salud Carlos IIII, Madrid, Spain
| | - M. Adela Valero
- Departamento de Parasitologia, Facultad de Farmacia, Universidad de Valencia, Valencia, Spain
- CIBER de Enfermedades Infecciosas, Instituto de Salud Carlos IIII, Madrid, Spain
| | - M. Dolores Bargues
- Departamento de Parasitologia, Facultad de Farmacia, Universidad de Valencia, Valencia, Spain
- CIBER de Enfermedades Infecciosas, Instituto de Salud Carlos IIII, Madrid, Spain
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Angles R, Buchon P, Valero MA, Bargues MD, Mas-Coma S. One Health Action against Human Fascioliasis in the Bolivian Altiplano: Food, Water, Housing, Behavioural Traditions, Social Aspects, and Livestock Management Linked to Disease Transmission and Infection Sources. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19031120. [PMID: 35162146 PMCID: PMC8834723 DOI: 10.3390/ijerph19031120] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 01/14/2022] [Accepted: 01/17/2022] [Indexed: 02/05/2023]
Abstract
The Northern Bolivian Altiplano is the fascioliasis endemic area with the reported highest human prevalence and intensities. A multidisciplinary One Health initiative was implemented to decrease infection/reinfection rates detected by periodic monitoring between the ongoing yearly preventive chemotherapy campaigns. Within a One Health axis, the information obtained throughout 35 years of field work on transmission foci and affected rural schools and communities/villages is analysed. Aspects linked to human infection risk are quantified, including: (1) geographical extent of the endemic area, its dynamics, municipalities affected, and its high strategic importance; (2) human population at risk, community development and mortality rates, with emphasis on problems in infancy and gender; (3) characteristics of the freshwater collections inhabited by lymnaeid snail vectors and constituting transmission foci; (4) food infection sources, including population surveys with questionnaire and reference to the most risky edible plant species; (5) water infection sources; (6) household characteristics; (7) knowledge of the inhabitants on Fasciola hepatica and the disease; (8) behavioural, traditional, social, and religious aspects; (9) livestock management. This is the widest and deepest study of this kind ever performed. Results highlight prevention and control difficulties where inhabitants follow century-old behaviours, traditions, and beliefs. Intervention priorities are proposed and discussed.
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Affiliation(s)
- René Angles
- Cátedra de Parasitología, Facultad de Medicina, Universidad Mayor de San Andrés (UMSA), Av. Saavedra, Miraflores, La Paz 10077, Bolivia;
| | - Paola Buchon
- Unidad de Limnología, Instituto de Ecología, Universidad Mayor de San Andrés (UMSA), Campus Calle 27, Cota Cota, La Paz 10077, Bolivia;
| | - M. Adela Valero
- Departamento de Parasitologia, Facultad de Farmacia, Universidad de Valencia, Av. Vicent Andres Estelles s/n, 46100 Burjassot, Valencia, Spain; (M.A.V.); (S.M.-C.)
| | - M. Dolores Bargues
- Departamento de Parasitologia, Facultad de Farmacia, Universidad de Valencia, Av. Vicent Andres Estelles s/n, 46100 Burjassot, Valencia, Spain; (M.A.V.); (S.M.-C.)
- Correspondence:
| | - Santiago Mas-Coma
- Departamento de Parasitologia, Facultad de Farmacia, Universidad de Valencia, Av. Vicent Andres Estelles s/n, 46100 Burjassot, Valencia, Spain; (M.A.V.); (S.M.-C.)
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Mas-Coma S, Funatsu IR, Angles R, Buchon P, Mas-Bargues C, Artigas P, Valero MA, Bargues MD. Domestic pig prioritized in one health action against fascioliasis in human endemic areas: Experimental assessment of transmission capacity and epidemiological evaluation of reservoir role. One Health 2021; 13:100249. [PMID: 33997234 PMCID: PMC8091924 DOI: 10.1016/j.onehlt.2021.100249] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 04/13/2021] [Accepted: 04/13/2021] [Indexed: 12/12/2022] Open
Abstract
The Northern Bolivian Altiplano is the human fascioliasis hyperendemic area where the highest prevalences and intensities in humans have been reported. Preventive chemotherapy was implemented in the last ten years. Surveillance showed high human infection and re-infection rates in between the annual triclabendazole monodose treatments. A complementary One Health control action was launched to decrease the infection risk. Among the multidisciplinary axes, there is the need to establish animal reservoir species priorities for a more efficient control. Laboratory and field studies were performed for the first time to assess the Fasciola hepatica transmission capacity of the pig and its potential reservoir role. The experimental follow-up of altiplanic pig isolates through altiplanic Galba truncatula snail vector isolates were performed at different miracidial doses and different day/night temperatures. Experiments included egg embryonation, miracidial infectivity, lymnaeid snail infection, intramolluscan larval development, cercarial production, chronobiology of the cercarial shedding, vector survival to infection, metacercarial infectivity of mammal host, and adult stage development. Surveys included the assessment of prevalence, intensity, egg measurements and egg shedding rates in nature. Pig contribution was evaluated by comparing with the main altiplanic reservoirs sheep and cattle. Results demonstrated that the pig assures the whole F. hepatica life cycle and participates in its transmission in this area. The fast egg embryonation, high cercarial production, long multi-wave shedding chronobiological pattern in monomiracidial infections at permanent 20 °C temperature, and the high daily egg outputs per pig are worth mentioning. The high infection risk suggests early infection of freely running piglets and evolutionary long-term adaptation of the liver fluke to this omnivorous mammal, despite its previously evoked resistance or non-suitability. Genetic, physiological and immune similarities with humans may also underlie the parasite adaptation to humans in this area. The pig should be accordingly included for appropriate control measures within a One Health action against human fascioliasis. The pig should henceforth be considered in epidemiological studies and control initiatives not only in fascioliasis endemic areas with human infection risk on other Andean countries, but also in rural areas of Latin America, Africa and Asia where domestic pigs are allowed to run freely.
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Affiliation(s)
- Santiago Mas-Coma
- Departamento de Parasitología, Facultad de Farmacia, Universidad de Valencia, Av. Vicent Andrés Estellés s/n, 46100 Burjassot, Valencia, Spain
| | - Ilra R. Funatsu
- Departamento de Parasitología, Facultad de Farmacia, Universidad de Valencia, Av. Vicent Andrés Estellés s/n, 46100 Burjassot, Valencia, Spain
| | - Rene Angles
- Cátedra de Parasitología, Facultad de Medicina, Universidad Mayor de San Andrés (UMSA), Av. Saavedra, Miraflores, La Paz, Bolivia
| | - Paola Buchon
- Unidad de Limnología, Instituto de Ecología, Universidad Mayor de San Andrés (UMSA), Calle 27 y Andrés Bello s/n, Cota Cota, La Paz, Bolivia
| | - Cristina Mas-Bargues
- Departamento de Fisiología, Facultad de Medicina, Universidad de Valencia, Av. Blasco Ibañez No. 15, 46010, Valencia, Spain
| | - Patricio Artigas
- Departamento de Parasitología, Facultad de Farmacia, Universidad de Valencia, Av. Vicent Andrés Estellés s/n, 46100 Burjassot, Valencia, Spain
| | - M. Adela Valero
- Departamento de Parasitología, Facultad de Farmacia, Universidad de Valencia, Av. Vicent Andrés Estellés s/n, 46100 Burjassot, Valencia, Spain
| | - M. Dolores Bargues
- Departamento de Parasitología, Facultad de Farmacia, Universidad de Valencia, Av. Vicent Andrés Estellés s/n, 46100 Burjassot, Valencia, Spain
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Bardales-Valdivia J, Bargues M, Hoban-Vergara C, Bardales-Bardales C, Goicochea-Portal C, Bazán-Zurita H, Del Valle-Mendoza J, Ortiz P, Mas-Coma S. Spread of the fascioliasis endemic area assessed by seasonal follow-up of rDNA ITS-2 sequenced lymnaeid populations in Cajamarca, Peru. One Health 2021; 13:100265. [PMID: 34041348 PMCID: PMC8141929 DOI: 10.1016/j.onehlt.2021.100265] [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: 02/19/2021] [Revised: 05/06/2021] [Accepted: 05/07/2021] [Indexed: 12/01/2022] Open
Abstract
Fascioliasis is a worldwide emerging snail-borne zoonotic trematodiasis with a great spreading capacity linked to animal and human movements, climate change, and anthropogenic modifications of freshwater environments. South America is the continent with more human endemic areas caused by Fasciola hepatica, mainly in high altitude areas of Andean regions. The Peruvian Cajamarca area presents the highest human prevalences reported, only lower than those in the Bolivian Altiplano. Sequencing of the complete rDNA ITS-2 allowed for the specific and haplotype classification of lymnaeid snails collected in seasonal field surveys along a transect including 2007-3473 m altitudes. The species Galba truncatula (one haplotype preferentially in higher altitudes) and Pseudosuccinea columella (one haplotype in an isolated population), and the non-transmitting species Lymnaea schirazensis (two haplotypes mainly in lower altitudes) were found. Climatic seasonality proved to influence G. truncatula populations in temporarily dried habitats, whereas L. schirazensis appeared to be more climatologically independent due to its extreme amphibious ecology. Along the southeastern transect from Cajamarca city, G. truncatula and L. schirazensis shared the same site in 7 localities (46.7% of the water collections studied). The detection of G. truncatula in 11 new foci (73.3%), predominantly in northern localities closer to the city, demonstrate that the Cajamarca transmission risk area is markedly wider than previously considered. Lymnaea schirazensis progressively increases its presence when moving away from the city. Results highlight the usefulness of lymnaeid surveys to assess borders of the endemic area and inner distribution of transmission foci. Similar lymnaeid surveys are still in need to be performed in the wide northern and western zones of the Cajamarca city. The coexistence of more than one lymnaeid transmitting species, together with a morphologically indistinguishable non-transmitting species and livestock movements inside the area, conform a complex scenario which poses difficulties for the needed One Health control intervention.
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Affiliation(s)
- J.N. Bardales-Valdivia
- Departamento de Biología y Biotecnología, Facultad de Ciencias de la Salud, Universidad Nacional de Cajamarca, Carretera Baños del Inca km 3,5, Cajamarca, Peru
- Facultad de Ciencias Veterinarias, Universidad Nacional de Cajamarca, Carretera Baños del Inca km 3,5, Cajamarca, Peru
| | - M.D. Bargues
- Departamento de Parasitología, Facultad de Farmacia, Universidad de Valencia, Av. Vicente Andrés Estellés s/n, 46100 Burjassot, Valencia, Spain
| | - C. Hoban-Vergara
- Facultad de Ciencias Veterinarias, Universidad Nacional de Cajamarca, Carretera Baños del Inca km 3,5, Cajamarca, Peru
| | - C. Bardales-Bardales
- Dirección Regional de Agricultura Cajamarca, Gobierno Regional de Cajamarca, Carretera Baños del Inca km 3,5, Cajamarca, Peru
| | - C. Goicochea-Portal
- Dirección Regional de Agricultura Cajamarca, Gobierno Regional de Cajamarca, Carretera Baños del Inca km 3,5, Cajamarca, Peru
| | - H. Bazán-Zurita
- Vice-Rectorado de Investigación, Universidad Privada Antonio Guillermo Urrelo, Jirón José Sabogal No. 913, Cajamarca, Peru
| | - J. Del Valle-Mendoza
- Escuela de Medicina, Centro de Investigación e Innovación, Facultad de Ciencias de la Salud, and Laboratorio de Biología Molecular y Celular, Instituto de Investigación Nutricional, Universidad Peruana de Ciencias Aplicadas, Prolongación Primavera No. 2390, Lima, Peru
| | - P. Ortiz
- Facultad de Ciencias Veterinarias, Universidad Nacional de Cajamarca, Carretera Baños del Inca km 3,5, Cajamarca, Peru
| | - S. Mas-Coma
- Departamento de Parasitología, Facultad de Farmacia, Universidad de Valencia, Av. Vicente Andrés Estellés s/n, 46100 Burjassot, Valencia, Spain
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Lalor R, Cwiklinski K, Calvani NED, Dorey A, Hamon S, Corrales JL, Dalton JP, De Marco Verissimo C. Pathogenicity and virulence of the liver flukes Fasciola hepatica and Fasciola Gigantica that cause the zoonosis Fasciolosis. Virulence 2021; 12:2839-2867. [PMID: 34696693 PMCID: PMC8632118 DOI: 10.1080/21505594.2021.1996520] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Fasciolosis caused by the liver flukes Fasciola hepatica and Fasciola gigantica is one of the most important neglected parasitic diseases of humans and animals. The ability of the parasites to infect and multiply in their intermediate snail hosts, and their adaptation to a wide variety of mammalian definitive hosts contribute to their high transmissibility and distribution. Within the mammalian host, the trauma caused by the immature flukes burrowing through the liver parenchyma is associated with most of the pathogenesis. Similarly, the feeding activity and the physical presence of large flukes in the bile ducts can lead to anemia, inflammation, obstruction and cholangitis. The high frequency of non-synonymous polymorphisms found in Fasciola spp. genes allows for adaptation and invasion of a broad range of hosts. This is also facilitated by parasite’s excretory-secretory (ES) molecules that mediate physiological changes that allows their establishment within the host. ES contains cathepsin peptidases that aid parasite invasion by degrading collagen and fibronectin. In the bile ducts, cathepsin-L is critical to hemoglobin digestion during feeding activities. Other molecules (peroxiredoxin, cathepsin-L and Kunitz-type inhibitor) stimulate a strong immune response polarized toward a Treg/Th2 phenotype that favors fluke’s survival. Helminth defense molecule, fatty acid binding proteins, Fasciola-specific glycans and miRNAs modulate host pro-inflammatory responses, while antioxidant scavenger enzymes work in an orchestrated way to deter host oxidant-mediated damage. Combining these strategies Fasciola spp. survive for decades within their mammalian host, where they reproduce and spread to become one of the most widespread zoonotic worm parasites in the world.
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Affiliation(s)
- Richard Lalor
- Molecular Parasitology Laboratory, Centre for One Health and Ryan Institute, National University of Ireland Galway, Galway, Ireland
| | - Krystyna Cwiklinski
- Molecular Parasitology Laboratory, Centre for One Health and Ryan Institute, National University of Ireland Galway, Galway, Ireland
| | - Nichola Eliza Davies Calvani
- Molecular Parasitology Laboratory, Centre for One Health and Ryan Institute, National University of Ireland Galway, Galway, Ireland
| | - Amber Dorey
- Molecular Parasitology Laboratory, Centre for One Health and Ryan Institute, National University of Ireland Galway, Galway, Ireland
| | - Siobhán Hamon
- Molecular Parasitology Laboratory, Centre for One Health and Ryan Institute, National University of Ireland Galway, Galway, Ireland
| | - Jesús López Corrales
- Molecular Parasitology Laboratory, Centre for One Health and Ryan Institute, National University of Ireland Galway, Galway, Ireland
| | - John Pius Dalton
- Molecular Parasitology Laboratory, Centre for One Health and Ryan Institute, National University of Ireland Galway, Galway, Ireland
| | - Carolina De Marco Verissimo
- Molecular Parasitology Laboratory, Centre for One Health and Ryan Institute, National University of Ireland Galway, Galway, Ireland
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Mas-Coma S, Cafrune MM, Funatsu IR, Mangold AJ, Angles R, Buchon P, Fantozzi MC, Artigas P, Valero MA, Bargues MD. Fascioliasis in Llama, Lama glama, in Andean Endemic Areas: Experimental Transmission Capacity by the High Altitude Snail Vector Galba truncatula and Epidemiological Analysis of Its Reservoir Role. Animals (Basel) 2021; 11:ani11092693. [PMID: 34573658 PMCID: PMC8470536 DOI: 10.3390/ani11092693] [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: 07/15/2021] [Revised: 08/28/2021] [Accepted: 09/02/2021] [Indexed: 11/16/2022] Open
Abstract
Simple Summary The infection by the liver fluke Fasciola hepatica in South American camelids, mainly llamas and alpacas, has been the focus of many studies. However, their capacity to participate in the transmission of the disease and their potential reservoir role in human or animal endemic areas have never been studied. Therefore, all development stages of an isolate from Argentine llama of the high Andean plateau have been experimentally investigated, from egg embryogenesis to metacercarial infectivity, by using the vector snail Galba truncatula from the high altitude Bolivian Altiplano human hyperendemic area. Although eggs shed by llamas may successfully develop until the adult stage in a subsequent mammal host, the transmission capacity of the llama proved to be pronouncedly less efficient than that of other hosts as sheep and cattle. Moreover, the low prevalences, intensities, and daily fecal outputs of liver fluke eggs in llama in Andean endemic areas, together with their peculiar defecating behavior in dung piles always far from freshwater collections, indicate that the contribution of this camelid should be considered negligible. Therefore, the llama does not need to receive priority within fascioliasis control initiatives, although it may play a disease-spreading role if used as a pack animal. Abstract South American camelids are definitive hosts of Fasciola hepatica. However, their capacity to participate in the transmission and epidemiology of fascioliasis has never been appropriately studied. Therefore, an F. hepatica isolate from Argentine llama is for the first time analyzed using Galba truncatula lymnaeids from Bolivia. Experimental follow-up studies included egg embryogenesis, miracidial infection of lymnaeid snails, intramolluscan larval development, cercarial production, chronobiology of cercarial shedding, vector survival to infection, and metacercarial infectivity of mammal host. Shorter prepatent and patent periods were leading to markedly lower cercarial production, shorter cercarial shedding, and a higher negative impact on snail survival. The usually low liver fluke prevalences and intensities and low daily fecal outputs indicate that llamas do not substantially contribute to fascioliasis transmission. The defecating behavior in dung piles far from freshwater collections prevents lymnaeid infection by eggs shed by this camelid. All results suggest the reservoir role of the llama to be negligible and, therefore, no priority within control measures in endemic areas. However, llamas may play a disease-spreading role if used as pack animals in rural areas. In the Northern Bolivian Altiplano human hyperendemic area, neither llamas nor alpacas should be considered for control measures within a One Health action.
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Affiliation(s)
- Santiago Mas-Coma
- Departamento de Parasitologia, Facultad de Farmacia, Universidad de Valencia, Av. Vicent Andres Estelles s/n, 46100 Burjassot, Valencia, Spain; (I.R.F.); (M.C.F.); (P.A.); (M.A.V.)
- Correspondence: (S.M.-C.); (M.D.B.)
| | - Maria Mercedes Cafrune
- Instituto de Investigación Animal del Chaco Semiárido, Área de Investigación en Salud Animal, Estación Experimental Agropecuaria Salta, Instituto Nacional de Tecnología Agropecuaria (INTA), Ministerio de Agricultura, Ganadería y Pesca CIAP, Ruta Nacional 68–km 172, Cerrillos A4403, Salta, Argentina;
| | - Ilra Renata Funatsu
- Departamento de Parasitologia, Facultad de Farmacia, Universidad de Valencia, Av. Vicent Andres Estelles s/n, 46100 Burjassot, Valencia, Spain; (I.R.F.); (M.C.F.); (P.A.); (M.A.V.)
| | - Atilio Jose Mangold
- Estación Experimental Agropecuaria Rafaela, Instituto Nacional de Tecnologia Agropecuaria (INTA), Ministerio de Agricultura, Ganadería y Pesca, CC 22 INTA Rafaela, Rafaela 2300, Santa Fe, Argentina;
| | - Rene Angles
- Cátedra de Parasitología, Facultad de Medicina, Universidad Mayor de San Andrés (UMSA), Av. Saavedra, Miraflores, La Paz, Bolivia;
| | - Paola Buchon
- Unidad de Limnología, Instituto de Ecología, Universidad Mayor de San Andrés (UMSA), Campus Calle 27, Cota Cota, La Paz, Bolivia;
| | - Maria Cecilia Fantozzi
- Departamento de Parasitologia, Facultad de Farmacia, Universidad de Valencia, Av. Vicent Andres Estelles s/n, 46100 Burjassot, Valencia, Spain; (I.R.F.); (M.C.F.); (P.A.); (M.A.V.)
| | - Patricio Artigas
- Departamento de Parasitologia, Facultad de Farmacia, Universidad de Valencia, Av. Vicent Andres Estelles s/n, 46100 Burjassot, Valencia, Spain; (I.R.F.); (M.C.F.); (P.A.); (M.A.V.)
| | - Maria Adela Valero
- Departamento de Parasitologia, Facultad de Farmacia, Universidad de Valencia, Av. Vicent Andres Estelles s/n, 46100 Burjassot, Valencia, Spain; (I.R.F.); (M.C.F.); (P.A.); (M.A.V.)
| | - Maria Dolores Bargues
- Departamento de Parasitologia, Facultad de Farmacia, Universidad de Valencia, Av. Vicent Andres Estelles s/n, 46100 Burjassot, Valencia, Spain; (I.R.F.); (M.C.F.); (P.A.); (M.A.V.)
- Correspondence: (S.M.-C.); (M.D.B.)
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