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Related Concept Videos

Bone Cells and Tissue01:30

Bone Cells and Tissue

Bones contain a relatively small number of cells entrenched in a matrix of organic and inorganic components. Although bone cells compose only a small amount of the bone volume, they are crucial to its function. Four types of cells are found within the bone tissue— osteoblasts, osteocytes, osteogenic cells, and osteoclasts.
Osteoblasts and Osteocytes
The osteoblast is the bone cell responsible for forming new bone tissue. It is found in the growing portions of bone, including the periosteum and...
Osteoclasts in Bone Remodeling01:31

Osteoclasts in Bone Remodeling

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 16, 2026

Differentiation and Characterization of Osteoclasts from Human Induced Pluripotent Stem Cells
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Transcriptomic Profile of Human Osteoblast-like Cells Grown on Trabecular Titanium.

Giovanna Castoldi1, Mario Mauri1, Deborah D'Aliberti1

  • 1Dipartimento di Medicina e Chirurgia, Università degli Studi di Milano-Bicocca, 20900 Monza, Italy.

International Journal of Molecular Sciences
|May 7, 2025
PubMed
Summary

Trabecular titanium scaffolds enhance osteoblast migration and gene expression for improved osseointegration. These 3D titanium implants promote cell infiltration and remodeling while maintaining key osteoblast functions.

Keywords:
3D trabecular titanium scaffoldhuman primary osteoblast-like cellstranscriptome

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Area of Science:

  • Biomaterials Science
  • Orthopedic Research
  • Cell Biology

Background:

  • Trabecular titanium implants are crucial in orthopedic surgery for promoting osseointegration.
  • Understanding cellular responses within these scaffolds is key to optimizing implant performance.

Purpose of the Study:

  • To investigate the impact of a 3D trabecular titanium scaffold on primary human osteoblast-like cells.
  • To assess changes in cell migration, gene expression, and phenotype within the scaffold environment.

Main Methods:

  • Scratch assays were used to evaluate cell migration capacity.
  • Next-generation sequencing (NGS) analyzed transcriptomic profiles.
  • Cellular phenotype and mineralization were assessed.

Main Results:

  • Osteoblast-like cells within the 3D scaffold showed enhanced migration into the structure.
  • NGS revealed altered expression of genes related to cell cycle and extracellular matrix remodeling.
  • Key osteoblast markers (osteocalcin, osterix) and mineralization capacity remained comparable.

Conclusions:

  • Primary human osteoblast-like cells within 3D trabecular titanium scaffolds develop characteristics that favor osseointegration.
  • The 3D environment influences cell behavior, enhancing migration and remodeling gene expression without compromising osteoblast identity.