ArticleParasitology research2019
In vitro silencing of a serine protease inhibitor suppresses Trichinella spiralis invasion, development, and fecundity.
Article in Parasitology research, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.
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24 citing papers in PubMed, 72 citations in OpenAlex.
- Trichinella spiralis excretory/secretory proteins mediated larval invasion via inducing gut epithelial apoptosis and barrier disruption.PLoS neglected tropical diseases · 2025Article
- Application of a recombinant novel trypsin from Trichinella spiralis for serodiagnosis of trichinellosis.Parasites & vectors · 2024Article
- A novel Trichinella spiralis serine proteinase disrupted gut epithelial barrier and mediated larval invasion through binding to RACK1 and activating MAPK/ERK1/2 pathway.PLoS neglected tropical diseases · 2024Article
- Biological characteristics and functions of a novel glutamate dehydrogenase from Trichinella spiralis.Parasite (Paris, France) · 2024Article
- Binding of Trichinella spiralis C-type lectin with syndecan-1 on intestinal epithelial cells mediates larval invasion of intestinal epithelium.Veterinary research · 2023Article
- Trichinella spiralis dipeptidyl peptidase 1 suppressed macrophage cytotoxicity by promoting M2 polarization via the STAT6/PPARγ pathway.Veterinary research · 2023Article
- Molecular characterization of a novel serine proteinase from Trichinella spiralis and its participation in larval invasion of gut epithelium.PLoS neglected tropical diseases · 2023Article
- Oral immunization of mice with recombinant Lactobacillus plantarum expressing a Trichinella spiralis galectin induces an immune protection against larval challenge.Parasites & vectors · 2022Article
- A novel C-type lectin from Trichinella spiralis mediates larval invasion of host intestinal epithelial cells.Veterinary research · 2022Article
- Characterization of a novel pyruvate kinase from Trichinella spiralis and its participation in sugar metabolism, larval molting and development.PLoS neglected tropical diseases · 2022Article
- Proteases secreted by Trichinella spiralis intestinal infective larvae damage the junctions of the intestinal epithelial cell monolayer and mediate larval invasion.Veterinary research · 2022Article
- Regulatory effects of Trichinella spiralis and a serine protease inhibitor on the endoplasmic reticulum stress response of intestinal epithelial cells.Veterinary research · 2022Article
- Characterization of a novel cysteine protease in Trichinella spiralis and its role in larval intrusion, development and fecundity.Veterinary research · 2021Article
- RNAi-mediated silencing of Trichinella spiralis glutaminase results in reduced muscle larval infectivity.Veterinary research · 2021Article
- Biological properties and roles of a Trichinella spiralis inorganic pyrophosphatase in molting and developmental process of intestinal larval stages.Veterinary research · 2021Article
- Characterization of a Novel Glutamine Synthetase FromFrontiers in cell and developmental biology · 2021Article
- RNAi-mediated silencing of Trichinella spiralis serpin-type serine protease inhibitors results in a reduction in larval infectivity.Veterinary research · 2020Article
- Molecular characterization of a Trichinella spiralis serine proteinase.Veterinary research · 2020Article
- Molecular cloning and characterization of a novel peptidase from Trichinella spiralis and protective immunity elicited by the peptidase in BALB/c mice.Veterinary research · 2020Article
- Vaccination of Mice with a Novel Trypsin fromVaccines · 2020Article
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9 authors at 1 institution in 1 country.
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Abstract
In a previous study, immunoproteomics was used to identify a serine protease inhibitor (TsSPI) of T. spiralis excretory/secretory (ES) proteins that exhibited an inhibitory effect on trypsin enzymatic activity, but the precise role of TsSPI on worm infection and development in its host is not well understood. The objective of the present study was to use RNA interference to ascertain the function of TsSPI in larval invasion and growth. TsSPI-specific small interference RNAs (siRNAs) were delivered to muscle larvae (ML) to silence TsSPI expression by electroporation. Four days after electroporation, the ML transfected with 2 μM siRNA-653 exhibited a 75.75% decrease in TsSPI transcription and a 69.23% decrease in TsSPI expression compared with control ML. Although the silencing of TsSPI expression did not decrease worm viability, it significantly suppressed the larval invasion of intestinal epithelium cells (IEC) (P < 0.01), and the suppression was siRNA dose-dependent (r = 0.981). The infection of mice with siRNA-653-treated ML produced a 63.71% reduction of adult worms and a 72.38% reduction of muscle larvae. In addition, the length of the adults, newborn larvae, and ML and the fecundity of female T. spiralis from mice infected with siRNA-treated ML were obviously reduced relative to those in the control siRNA or PBS groups. These results indicated that the silencing of TsSPI by RNAi suppressed larval invasion and development and decreased female fecundity, further confirming that TsSPI plays a crucial role during the T. spiralis lifecycle and is a promising molecular target for anti-Trichinella vaccines.
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