ArticlePLoS neglected tropical diseases2022
Porcine model of neurocysticercosis by intracarotid injection of Taenia solium oncospheres: Dose assessment, infection outcomes and serological responses.
Article in PLoS neglected tropical diseases, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 10 citations in OpenAlex.
- Pericystic brain transcriptomics reveals molecular signatures of immune activation and neurovascular remodelling in viable and post-treatment porcine neurocysticercosis.bioRxiv : the preprint server for biology · 2026Article
- Taenia solium neurocysticercosis: Its current epidemiological, diagnostic, therapeutic, and control landscapes.PLoS neglected tropical diseases · 2026Review
- The process of residual calcification following antiparasitic treatment in the pig model of neurocysticercosis is dynamic.PLoS neglected tropical diseases · 2025Article
- Repair capacity ofFuture microbiology · 2025Article
- Concordance between two monoclonal antibody-based antigen detection enzyme-linked immunosorbent assays for measuring cysticercal antigen levels in sera from pigs experimentally infected with Taenia solium and Taenia hydatigena.Parasites & vectors · 2024Article
- From laboratory to clinical practice: an update of the immunological and molecular tools for neurocysticercosis diagnosis.Frontiers in parasitology · 2024Review
- New animal models of neurocysticercosis can help understand epileptogenesis in neuroinfection.Frontiers in molecular neuroscience · 2022Article
- What Causes Seizures in Neurocysticercosis?Epilepsy currentsReview
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Authors and funding
17 authors at 5 institutions in 2 countries.
Funding
Abstract
backgroundNeurocysticercosis (NCC) is the infection of the human central nervous system (CNS) by Taenia solium larvae that cause significant neurological morbidity. Studies on NCC pathophysiology, host-parasite interactions or therapeutic agents are limited by the lack of suitable animal models. We have previously reported that carotid injection of activated T. solium oncospheres directs parasites into the CNS and consistently reproduces NCC. This study assessed the minimal dose required to consistently obtain NCC by intracarotid oncosphere injection and compared antigen and antibody response profiles by dose-group. METHODS/PRINCIPAL
findingsThree groups of pigs were infected with either 2500 (n = 10), 5000 (n = 11), or 10000 (n = 10) oncospheres. Two pigs died during the study. Necropsy exam at day 150 post-infection (PI) demonstrated viable NCC in 21/29 pigs (72.4%), with higher NCC rates with increasing oncosphere doses (4/9 [44.4%], 9/11 [81.8%] and 8/9 [88.9%] for 2500, 5000, and 10000 oncospheres respectively, P for trend = 0.035). CNS cyst burden was also higher in pigs with increasing doses (P for trend = 0.008). Viable and degenerated muscle cysticerci were also found in all pigs, with degenerated cysticerci more frequent in the 2500 oncosphere dose-group. All pigs were positive for circulating parasite antigens on ELISA (Ag-ELISA) from day 14 PI; circulating antigens markedly increased at day 30 PI and remained high with plateau levels in pigs infected with either 5000 or 10000 oncospheres, but not in pigs infected with 2500 oncospheres. Specific antibodies appeared at day 30 PI and were not different between dose-groups. CONCLUSION/SIGNIFICANCE: Intracarotid injection of 5000 or more oncospheres produces high NCC rates in pigs with CNS cyst burdens like those usually found in human NCC, making this model appropriate for studies on the pathogenesis of NCC and the effects of antiparasitic treatment.
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