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N-terminomics profiling of host proteins targeted by excretory-secretory proteases of the nematode Angiostrongylus vasorum identifies points of interaction with canine coagulation and complement cascade.
PLoS One
January 2025
Institute of Parasitology, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland.
The cardiopulmonary nematode Angiostrongylus vasorum can cause severe disease in dogs, including coagulopathies manifesting with bleeding. We analysed A. vasorum excretory/secretory protein (ESP)-treated dog plasma and serum by N-terminome analysis using Terminal Amine Isotopic Labelling of Substrates (TAILS) to identify cleaved host substrates.
View Article and Find Full Text PDFCo-introduction into a delicate island ecosystem: metastrongyloid nematodes (superfamily Metastrongyloidea) of veterinary and medical importance circulating in aquatic and terrestrial environments of Tenerife (Canary Islands).
Parasitol Res
October 2024
Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna, San Cristóbal de La Laguna, Spain.
Article Synopsis
- Metastrongyloid nematodes, including Angiostrongylus cantonensis and A. costaricensis, can cause severe diseases like eosinophilic meningitis in humans and are commonly found in the respiratory and circulatory systems of mammals.
- This study focused on identifying the gastropod species acting as intermediate hosts for these nematodes on Tenerife, Canary Islands, using a multiplex PCR technique.
- Researchers identified five metastrongyloid species in terrestrial gastropods, including two in the aquatic snail Physella acuta, highlighting the introduction of these parasites linked to non-native mammals and their spread in local ecosystems.
Two cases of Angiostrongylus vasorum, a cardiopulmonary nematode, in a wild black bear and coyote of Tennessee.
Vet Parasitol Reg Stud Reports
September 2024
Department of Biomedical and Diagnostic Sciences, University of Tennessee College of Veterinary Medicine, 2407 River Drive, Knoxville, TN 37996, USA.
Article Synopsis
- Angiostrongylus vasorum, or French heartworm, is a parasitic nematode mainly affecting canines, with cases expanding in North America, particularly in Newfoundland, Nova Scotia, and now Tennessee.
- Recent cases in Tennessee included a black bear and a coyote, both found to have verminous pneumonia, indicating the presence of this parasite in the region.
- Genetic analysis showed these Tennessee cases are closely related to European strains, highlighting the growing threat A. vasorum poses to wild and domestic canids in North America and the need for increased monitoring.
Seek, and you will find: Cryptic diversity of the cardiopulmonary nematode Angiostrongylus vasorum in the Americas.
Acta Trop
October 2024
Centro de Investigación en Enfermedades Tropicales, University of Costa Rica, San José, Costa Rica 11501-2060; Laboratory of Helminthology, Faculty of Microbiology, University of Costa Rica, San José, Costa Rica 11501-2060. Electronic address:
Angiostrongylus vasorum is a metastrongylid parasite infecting wild canids and domestic dogs. Its patchy distribution, high pathogenicity and taxonomical classification makes the evolutionary history of A. vasorum intriguing and important to study.
View Article and Find Full Text PDFInfluence of environmental factors on the occurrence of gastrointestinal and cardiopulmonary nematodes in the red fox in the semi-arid Mediterranean areas of the Iberian Peninsula.
Res Vet Sci
May 2024
Dpto. de Sanidad Animal, Facultad de Veterinaria, Universidad de Murcia, Campus Espinardo, 30100 Murcia, Spain.
Human-induced ecosystem fragmentation is one of the drivers causing wildlife migration from their natural habitats to urban areas, among other reasons. The red fox (Vulpes vulpes) is the most abundant wild canid in the semi-arid Mediterranean areas of the Iberian Peninsula. Water scarcity may result in areas shared by synanthropic fox populations and domestic animals becoming hotspots for parasite transmission.
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