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Related Concept Videos

Fractures: Bone Repair01:27

Fractures: Bone Repair

Treatment for a fracture is based on the type of break, the bone affected, and the patient's age.
Minor fractures with no bone displacement are treated by immobilizing the fractured bone using a cast or splint. However, in the case of fractures with displaced bones, the broken bones are repositioned before immobilization to ensure successful healing without deformation and loss of function. The realignment of fractured bone ends is performed through a process called reduction. If the procedure...
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Osteoclasts are cells responsible for bone resorption and remodeling. They originate from hematopoietic progenitor cells present in the bone marrow. Numerous progenitor cells fuse to form multinucleated cells, each with 10-20 nuclei. A single osteoclast has a diameter of 150 to 200 µM. These cells have ruffled borders that break down the underlying bone tissue and release minerals such as calcium into the blood in bone resorption. Osteoclasts cling to bones with their ruffled edges during bone...

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Updated: May 11, 2026

Distinctive Capillary Action by Micro-channels in Bone-like Templates can Enhance Recruitment of Cells for Restoration of Large Bony Defect
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BioMOF@cellulose Glycerogel Scaffold with Multifold Bioactivity: Perspective in Bone Tissue Repair.

Albert Rosado1, Alejandro Borrás1, Miguel Sánchez-Soto2

  • 1Institut de Ciència de Materials de Barcelona (ICMAB), Consejo Superior de Investigaciones Científicas (CSIC), Campus UAB s/n, 08193 Bellaterra, Spain.

Gels (Basel, Switzerland)
|October 25, 2024
PubMed
Summary
This summary is machine-generated.

This study introduces a novel synthetic glycerogel scaffold for bone regeneration, combining nanocrystalline cellulose with a bioactive metal-organic framework (bioMOF) loaded with ibuprofen. The scaffold supports human osteoblast proliferation after initial glycerol dilution, demonstrating potential for musculoskeletal tissue repair.

Keywords:
bioMOFcellulosecompositeglycerogelscaffoldtissue repair

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Area of Science:

  • Biomedicine and Biomaterials Science
  • Tissue Engineering and Regenerative Medicine
  • Nanotechnology and Nanocomposites

Background:

  • Musculoskeletal tissue repair necessitates advanced biomaterials.
  • Current research focuses on developing synthetic scaffolds with therapeutic capabilities.
  • Glycerogel scaffolds offer potential matrices for cell infiltration and tissue regeneration.

Purpose of the Study:

  • To develop a prototypic synthetic glycerogel scaffold for bone regeneration.
  • To integrate therapeutic activity through a combination of nanocrystalline cellulose (NCC) and a bioactive metal-organic framework (bioMOF).
  • To evaluate the drug delivery kinetics and in vitro biocompatibility of the developed scaffold.

Main Methods:

  • Fabrication of an NCC-based glycerogel scaffold incorporating a microporous bioMOF system (CaSyr-1).
  • Impregnation of the bioMOF with ibuprofen (ibu) to create a multifold bioactive system.
  • Analysis of drug release profiles in phosphate-buffered saline at 310 K using kinetic models (pseudo-first-order, Korsmeyer-Peppas).
  • In vitro assessment of scaffold biocompatibility with human osteoblasts (HObs) through direct and indirect assays.

Main Results:

  • The integrated CaSyr-1(ibu) system demonstrated concurrent release of bioactive components with bioMOF dissolution.
  • Drug release followed a pseudo-first-order kinetic model and was governed by a case-II mechanism, influenced by NCC matrix relaxation.
  • Initial glycerol toxicity to HObs was observed, but full biocompatibility and suitability for HOb proliferation were confirmed after glycerol dilution.

Conclusions:

  • The developed NCC-based glycerogel scaffold with an integrated ibuprofen-loaded bioMOF is a promising candidate for bone regeneration.
  • The scaffold effectively delivers bioactive compounds and supports osteoblast proliferation after addressing initial glycerol-induced toxicity.
  • This multifold bioactive system represents a significant advancement in developing functional biomaterials for musculoskeletal tissue repair.