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Related Concept Videos

Bone Remodeling01:40

Bone Remodeling

Bone remodeling is a continuous and balanced process of bone resorption by osteoclasts and bone formation by osteoblasts. In adults, it helps maintain bone mass and calcium homeostasis. While mechanical stress can stimulate turnover as part of the normal maintenance and reparative process, several hormones also regulate bone remodeling.
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...
Bone Remodeling and Repair01:31

Bone Remodeling and Repair

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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Related Experiment Video

Updated: Jun 2, 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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Hydrogel-Based Scaffolds: Advancing Bone Regeneration Through Tissue Engineering.

Juan Luis Cota Quintero1, Rosalío Ramos-Payán2, José Geovanni Romero-Quintana2

  • 1Faculty of Biology, Autonomous University of Sinaloa, Josefa Ortiz de Domínguez s/n y Avenida de las Américas, Culiacan 80010, Sinaloa, Mexico.

Gels (Basel, Switzerland)
|March 26, 2025
PubMed
Summary

Hydrogels (HGs) show great promise as scaffolds in bone tissue engineering. This review explores natural and synthetic HGs, and functionalization molecules, for enhanced bone regeneration applications.

Keywords:
bone regenerationengineering tissuehydrogel (HG)scaffolds

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Area of Science:

  • Biomaterials Science
  • Regenerative Medicine
  • Tissue Engineering

Background:

  • Bone defects pose significant challenges, with traditional bone grafts having limitations.
  • Bone tissue engineering utilizes biomaterials, growth factors, and cells to promote bone regeneration.
  • Hydrogels (HGs) are emerging as promising scaffolds due to their biocompatibility and tunable properties.

Purpose of the Study:

  • To review the potential of natural and synthetic hydrogels for bone tissue engineering.
  • To investigate functionalization molecules that enhance hydrogel performance in bone regeneration.
  • To explore the design and optimization of hydrogel-based scaffolds.

Main Methods:

  • Literature review of hydrogel applications in bone tissue engineering.
  • Analysis of natural and synthetic hydrogel properties and their suitability as scaffolds.
  • Examination of bioactive molecule incorporation for enhanced osteoinductivity and osteoconductivity.

Main Results:

  • Hydrogels offer biocompatibility, biodegradability, and controllable mechanical properties for bone regeneration.
  • Functionalization with bioactive molecules significantly enhances the osteogenic potential of hydrogel scaffolds.
  • Optimization of hydrogel composition, structure, and mechanical strength is crucial for effective bone repair.

Conclusions:

  • Hydrogel-based scaffolds are highly effective for bone tissue engineering, supporting cell functions and new bone formation.
  • Advanced hydrogel designs hold potential for revolutionizing treatments for bone defects.
  • Further research into mechanical properties and degradation kinetics will optimize hydrogel scaffolds for clinical applications.