ArticleJCI insight2024
Critical role of thrombospondin-1 in promoting intestinal mucosal wound repair.
Article in JCI insight, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Integrated Transcriptomic and Proteomic Analysis of the Pathogenic Mechanisms ofAnimals : an open access journal from MDPI · 2026Article
- Selective SIK2/SIK3 inhibition reprograms pro- and antiinflammatory pathways in myeloid cells, improving autoimmune disease outcomes.JCI insight · 2026Article
- Prostaglandin EbioRxiv : the preprint server for biology · 2026Article
- Phosphomimetic Thrombospondin-1 Modulates Integrin β1-FAK Signaling and Vascular Cell Functions.Biomolecules · 2026Article
- From physical impact to biological information flow: shock wave regulation of extracellular vesicles mediated tissue repair.Frontiers in cell and developmental biology · 2026Review
- Hyperglycemia Modulates the Expression of MAPK13, TSP1, and CXCR2 During Wound Healing in Sprague Dawley Rats.Biology · 2025Article
- Single-cell and spatially resolved omics reveal transcriptional and metabolic signatures of ovarian endometriomas.Nature communications · 2025Article
- TheCancers · 2025Article
- The mechanobiology of extracellular matrix: a focus on thrombospondins.Cell communication and signaling : CCS · 2025Review
- The Effects of Lipid Extracts from MicroalgaeAntioxidants (Basel, Switzerland) · 2025Article
- THBS1 as a candidate biomarker and fibrotic mediator in radiation-induced liver injury: insights from TMT-labeled quantitative proteomics.Frontiers in pharmacology · 2025Article
- Thrombospondin-1 mitigates osteoarthritis progression by inhibiting mechanical stress-induced chondrocyte ferroptosis via the integrin/YAP pathway.Frontiers in immunology · 2025Article
Corrections and comments
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Authors and funding
12 authors.
Funding
Abstract
Thrombospondin-1 (TSP1) is a matricellular protein associated with the regulation of cell migration through direct binding interactions with integrin proteins and by associating with other receptors known to regulate integrin function, including CD47 and CD36. We previously demonstrated that deletion of an epithelial TSP1 receptor, CD47, attenuates epithelial wound repair following intestinal mucosal injury. However, the mechanisms by which TSP1 contributes to intestinal mucosal repair remain poorly understood. Our results show upregulated TSP1 expression in colonic mucosal wounds and impaired intestinal mucosal wound healing in vivo upon intestinal epithelium-specific loss of TSP1 (VillinCre/+ Thbs1fl/fl or Thbs1ΔIEC mice). We report that exposure to exogenous TSP1 enhanced migration of intestinal epithelial cells in a CD47- and TGF-β1-dependent manner and that deficiency of TSP1 in primary murine colonic epithelial cells resulted in impaired wound healing. Mechanistically, TSP1 modulated epithelial actin cytoskeletal dynamics through suppression of RhoA activity, activation of Rho family small GTPase (Rac1), and changes in filamentous-actin bundling. Overall, TSP1 was found to regulate intestinal mucosal wound healing via CD47 and TGF-β1, coordinate integrin-containing cell-matrix adhesion dynamics, and remodel the actin cytoskeleton in migrating epithelial cells to enhance cell motility and promote wound repair.
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Registered trials
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