ArticleVeterinary research2021
Characterization of a novel cysteine protease in Trichinella spiralis and its role in larval intrusion, development and fecundity.
Article in Veterinary research, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.
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Who cites it
25 citing papers in PubMed, 43 citations in OpenAlex.
- Vaccination of mice with Trichinella spiralis serine proteinase enhanced gut epithelial barrier and elicited a high protective immunity.PLoS neglected tropical diseases · 2026Article
- A Trichinella spiralis Trypsin Drives Macrophage M1 Polarization and Strengthens Cytotoxicity Killing Larvae via Activating the NF-κB Pathway.Transboundary and emerging diseases · 2026Article
- Trichinella spiralis serine proteinase enhances antibody-dependent cell-mediated (ADCC) killing of newborn larvae by driving M1 polarization via the NF-κB pathway.Parasite (Paris, France) · 2026Article
- Molecular characterization of a novel Trichinella spiralis aspartyl protease and its role in the larval invasion of host intestinal epithelial cells.Parasite (Paris, France) · 2026Article
- Trichinella spiralis serine protease mediates larval invasion of gut epithelium via binding to CK8 and activating RhoA/ROCK1 pathway.PLoS neglected tropical diseases · 2025Article
- Vaccination of mice with Trichinella spiralis C-type lectin elicited the protective immunity and enhanced gut epithelial barrier function.PLoS neglected tropical diseases · 2025Article
- Trichinella spiralis excretory/secretory proteins mediated larval invasion via inducing gut epithelial apoptosis and barrier disruption.PLoS neglected tropical diseases · 2025Article
- Biological characteristics of a new long-chain fatty acid transport protein 1 from Trichinella spiralis and its participation in lipid metabolism, larval moulting, and development.Veterinary research · 2024Article
- Application of a recombinant novel trypsin from Trichinella spiralis for serodiagnosis of trichinellosis.Parasites & vectors · 2024Article
- A novel trypsin of Trichinella spiralis mediates larval invasion of gut epithelium via binding to PAR2 and activating ERK1/2 pathway.PLoS neglected tropical diseases · 2024Article
- Biological characteristics and functions of a novel glutamate dehydrogenase from Trichinella spiralis.Parasite (Paris, France) · 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
- Galactomannan inhibits Trichinella spiralis invasion of intestinal epithelium cells and enhances antibody-dependent cellular cytotoxicity related killing of larvae by driving macrophage polarization.Parasite (Paris, France) · 2024Article
- Trichinella spiralis galectin binding to toll-like receptor 4 induces intestinal inflammation and mediates larval invasion of gut mucosa.Veterinary research · 2023Article
- 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
- In vitro knockdown of TsDNase II-7 suppresses Trichinella spiralis invasion into the host's intestinal epithelial cells.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
- Oral vaccination of mice with attenuated Salmonella encoding Trichinella spiralis calreticulin and serine protease 1.1 confers protective immunity in BALB/c mice.PLoS neglected tropical diseases · 2022Article
Corrections and comments
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Authors and funding
9 authors at 1 institution in 1 country.
Funding
Abstract
The aim of this study was to investigate the biological properties of a novel gut-specific cysteine protease in Trichinella spiralis (TsGSCP) and its role in larval intrusion, development and fecundity. TsGSCP has a functional C1 peptidase domain; C1 peptidase belongs to cathepsin B family. The TsGSCP gene cloned and expressed in Escherichia coli BL21 showed intensive immunogenicity. qPCR and Western blotting revealed that TsGSCP mRNA and protein were expressed at various T. spiralis stages, but their expression levels in intestinal infectious larvae (IIL) were clearly higher than those in muscle larvae (ML), adult worms (AWs) and new-born larvae (NBL). Indirect immunofluorescence (IIF) analysis showed that TsGSCP was primarily located at the outer cuticle and the intrauterine embryos of this parasite. rTsGSCP showed the ability to specifically bind with IECs, and the binding site is within the IEC cytoplasm. rTsGSCP accelerated larval intrusion into host intestinal epithelial cells (IECs), whereas anti-rTsGSCP antibodies suppressed larval intrusion; the acceleration and suppression was induced by rTsGSCP and anti-rTsGSCP antibodies, respectively, in a dose-dependent manner. When ML were transfected with TsGSCP-specific dsRNA, TsGSCP expression and enzymatic activity were reduced by 46.82 and 37.39%, respectively, and the capacity of the larvae to intrude into IECs was also obviously impeded. Intestinal AW burden and adult female length and fecundity were significantly decreased in the group of mice infected with dsRNA-transfected ML compared to the control dsRNA and PBS groups. The results showed that TsGSCP plays a principal role in gut intrusion, worm development and fecundity in the T. spiralis lifecycle and might be a candidate target for vaccine development against Trichinella intrusion and infection.
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