ArticleBioactive materials2024
HtrA3 paves the way for MSC migration and promotes osteogenesis.
Article in Bioactive materials, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Integrated single cell and spatial transcriptomics reveals the cellular and molecular mechanisms underlying UCMSCs treatment of ovarian aging in tree shrews.Stem cell research & therapy · 2026Article
- Bionic Nanostructures Create Mechanical Signals to Mediate the Composite Structural Bone Regeneration Through Multi-System Regulation.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Review
- Accurate Delivery of Mesenchymal Stem Cell Spheroids With Platelet-Rich Fibrin Shield: Enhancing Survival and Repair Functions of Sp-MSCs in Diabetic Wound Healing.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Interleukin-1 receptor antagonist overexpression in mesenchymal stem cells improves hemorrhagic cystitis outcomes via HtrA serine peptidase 3.Stem cell research & therapy · 2025Article
- Photobiomodulation promotes osteogenic differentiation of mesenchymal stem cells and increases P-Akt levels in vitro.Scientific reports · 2025Article
- Proteomic analysis and effects on osteogenic differentiation of exosomes from patients with ossification of the spinal ligament.JBMR plus · 2025Article
- Use of Mesenchymal Stem Cell-Targeting 3WJ Nanoparticles and Reported Specific Delivery of Anti-miRNA 138 to Treat Osteoporosis.ACS omega · 2025Article
- Rbms3 Upregulation in Mesenchymal Stem Cells Impairs Fracture Healing in Type 2 Diabetes Mellitus.Journal of inflammation research · 2025Article
- Revolutionizing bone defect healing: the power of mesenchymal stem cells as seeds.Frontiers in bioengineering and biotechnology · 2024Review
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Authors and funding
15 authors.
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Abstract
Mesenchymal stem cell (MSC) migration determines the healing capacity of bone and is crucial in promoting bone regeneration. Migration of MSCs is highly dependent on degradation of extracellular matrix by proteolytic enzymes. However, the underlying mechanisms of how enzymolysis paves the way for MSCs to migrate from their niche to the defect area is still not fully understood. Here, this study shows that high-temperature requirement A3 (HtrA3) overcomes the physical barrier and provides anchor points through collagen IV degradation, paving the way for MSC migration. HtrA3 is upregulated in MSCs at the leading edge of bone defect during the early stage of healing. HtrA3 degrades the surrounding collagen IV, which increases the collagen network porosity and increases integrin β1 expression. Subsequently, integrin β1 enhances the mechanotransduction of MSCs, thus remodeling the cytoskeleton, increasing cellular stiffness and nuclear translocation of YAP, eventually promoting the migration and subsequent osteogenic differentiation of MSCs. Local administration of recombinant HtrA3 in rat cranial bone defects significantly increases new bone formation and further validates the enhancement of MSC migration. This study helps to reveal the novel roles of HtrA3, explore potential targets for regenerative medicine, and offer new insights for the development of bioactive materials.
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