ArticleJournal of translational medicine2024
3D-printed PCL framework assembling ECM-inspired multi-layer mineralized GO-Col-HAp microscaffold for in situ mandibular bone regeneration.
Article in Journal of translational medicine, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 9 citations in OpenAlex.
- Terbium-doped 3D-printed carbonate hydroxyapatite scaffold enhances bone regeneration.Journal of translational medicine · 2026Article
- Experimental study on the in vitro osteogenic and chondrogenic ability of fat stem cells combined with 3D-printed porous scaffolds.BMC musculoskeletal disorders · 2026Article
- Advances in 3D bioprinting for medical application: opportunities and challenges.Biomedical engineering online · 2025Review
- Graphene Oxide in Bone Regenerative Engineering: Current Challenges and Future Perspectives.ACS bio & med chem Au · 2025Review
- Electrospun nanofiber mats caged the mammalian macrophages on their surfaces and prevented their inflammatory responses independent of the fiber diameter.Scientific reports · 2024Article
- Personalized Orbital Fracture Repair: Enhancing 3D-Printed Titanium Mesh with Biomimetic 3D-Printed HAP-COL Frameworks.Romanian journal of ophthalmologyArticle
- Optimizing graphene-enhanced polycaprolactone scaffolds for bone tissue engineering.Journal of oral biology and craniofacial researchArticle
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Authors and funding
13 authors at 4 institutions in 1 country.
Funding
Abstract
backgroundIn recent years, natural bone extracellular matrix (ECM)-inspired materials have found widespread application as scaffolds for bone tissue engineering. However, the challenge of creating scaffolds that mimic natural bone ECM's mechanical strength and hierarchical nano-micro-macro structures remains. The purposes of this study were to introduce an innovative bone ECM-inspired scaffold that integrates a 3D-printed framework with hydroxyapatite (HAp) mineralized graphene oxide-collagen (GO-Col) microscaffolds and find its application in the repair of mandibular bone defects.
methodsInitially, a 3D-printed polycaprolactone (PCL) scaffold was designed with cubic disks and square pores to mimic the macrostructure of bone ECM. Subsequently, we developed multi-layer mineralized GO-Col-HAp microscaffolds (MLM GCH) to simulate natural bone ECM's nano- and microstructural features. Systematic in vitro and in vivo experiments were introduced to evaluate the ECM-inspired structure of the scaffold and to explore its effect on cell proliferation and its ability to repair rat bone defects.
resultsThe resultant MLM GCH/PCL composite scaffolds exhibited robust mechanical strength and ample assembly space. Moreover, the ECM-inspired MLM GCH microscaffolds displayed favorable attributes such as water absorption and retention and demonstrated promising cell adsorption, proliferation, and osteogenic differentiation in vitro. The MLM GCH/PCL composite scaffolds exhibited successful bone regeneration within mandibular bone defects in vivo.
conclusionsThis study presents a well-conceived strategy for fabricating ECM-inspired scaffolds by integrating 3D-printed PCL frameworks with multilayer mineralized porous microscaffolds, enhancing cell proliferation, osteogenic differentiation, and bone regeneration. This construction approach holds the potential for extension to various other biomaterial types.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.