ArticleCommunications biology2024
MiR-199a-3p regulates HCT-8 cell autophagy and apoptosis in response to Cryptosporidium parvum infection by targeting MTOR.
Article in Communications biology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Azithromycin Mitigates Experimental Cryptosporidiosis-Driven Ileocecal Adenocarcinoma by Modulating Autophagy, Apoptosis, and PI3K/AKT Signaling.Biomedicines · 2026Article
- Exosomal miR-199a-3p derived from follicular fluid modulates the immune microenvironment in polycystic ovary syndrome by regulating macrophage polarization.Journal of ovarian research · 2026Article
- The role of autophagy in protozoan infections.Frontiers in cellular and infection microbiology · 2026Review
- Crosstalk between microRNAs and autophagy in adipocyte differentiation: emerging therapeutic targets for obesity.Adipocyte · 2025Review
- Host cell KRT-18 as a non-redox dependent interactor of Cryptosporidium parvum PDI enables parasite infection.Communications biology · 2025Article
- MiR-125b-5p targets Bak1 to regulate HCT-8 cell apoptosis in response to Cryptosporidium parvum infection via mitochondrial pathway.Parasites & vectors · 2025Article
- In Vitro Inhibition ofPathogens (Basel, Switzerland) · 2025Article
- STAT1-IFITM3 promotes autophagy in epithelial cells to controlLife science alliance · 2025Article
- The Regulatory Role of CircAGGF1 in Myogenic Differentiation and Skeletal Muscle Development.Animals : an open access journal from MDPI · 2025Article
- Rapid review: Recent advances inCurrent research in parasitology & vector-borne diseases · 2025Review
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Authors and funding
11 authors.
Funding
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Abstract
The microRNAs (miRNAs) of their hosts play an important role in regulating both the innate and adaptive immune responses to Cryptosporidium parvum infection. The mechanisms of autophagy and apoptosis are important components of the defense system against C. parvum infection. In this study, we investigate the role of miRNA-199a-3p in regulating MTOR-mediated autophagy and apoptosis in HCT-8 cells induced by C. parvum. The expression of miR-199a-3p increased at 3, 6 and 12 hours postinfection (hpi) but decreased at 24 and 48 hpi. The upregulation of miR-199a-3p promoted autophagy and apoptosis and limited the parasite burden in HCT-8 cells after C. parvum infection. The downregulation of miR-199a-3p inhibited the autophagy and apoptosis induced by C. parvum and enhanced the parasite burden in HCT-8 cells. A luciferase reporter showed that MTOR was a target gene of miR-199a-3p. Suppressed expression of MTOR by small interfering RNA (siRNA) promoted autophagy and apoptosis and limited C. parvum burden in HCT-8 cells. Co-transfection with miR-199a-3p inhibitor or si-mTOR revealed that miR-199a-3p regulates autophagy and apoptosis in HCT-8 cells through MTOR, to resist C. parvum infection. In conclusion, intestinal epithelial cells defend against C. parvum infection by regulating their autophagy and apoptosis through the miR-199a-3p-MTOR axis.
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