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Mesenchymal Stem Cells

Mesenchymal Stem Cells

Mesenchymal stem cells (MSCs) are adult stem cells that can differentiate into most connective tissue cell types, except for hematopoietic cells, depending upon the source of MSCs. For example, bone-marrow-derived MSCs (BM-MSCs) can differentiate into osteocytes, hepatocytes, and pancreatic and neuronal cells. MSCs can be isolated from various sources such as bone marrow, placenta, adipose tissue, teeth, and Wharton’s jelly, a gelatinous substance in the umbilical cord. The ease of their access...

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Updated: Jun 19, 2026

A Human Bone Marrow 3D Model to Investigate the Dynamics and Interactions Between Resident Cells in Physiological or Tumoral Contexts

A Human Bone Marrow 3D Model to Investigate the Dynamics and Interactions Between Resident Cells in Physiological or Tumoral Contexts

Published on: December 16, 2022

3D environment on human mesenchymal stem cells differentiation for bone tissue engineering.

T Cordonnier¹, P Layrolle, Julien Gaillard

¹INSERM U791, Center on Osteoarticular and Dental Tissue Engineering, School of Dental Surgery, Nantes, France. thomas.cordonnier@univ-nantes.fr

Journal of Materials Science. Materials in Medicine

|October 27, 2009

Summary

Biphasic calcium phosphate particles promote human mesenchymal stem cell growth and osteoblastic differentiation, creating 3D bone tissue engineering constructs. These particles show potential for bone regeneration applications.

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Area of Science:

Biomaterials Science
Regenerative Medicine
Cell Biology

Background:

Bone tissue engineering aims to regenerate bone defects using scaffolds and cells.
Human mesenchymal stem cells (hMSCs) are crucial for bone regeneration due to their differentiation potential.
Developing suitable biomaterials that support cell growth and osteogenic differentiation is essential.

Purpose of the Study:

To develop a novel 3D cellular environment for bone tissue engineering.
To investigate the potential of Biphasic Calcium Phosphate (BCP) particles in supporting hMSC behavior.
To evaluate the osteogenic differentiation capacity of hMSCs cultured on BCP particles.

Main Methods:

Utilized Biphasic Calcium Phosphate (BCP) particles (140-200 microm) as a scaffold.
Cultured human mesenchymal stem cells (hMSCs) on BCP particles and plastic surfaces.
Assessed cell adhesion and proliferation.
Analyzed extracellular matrix production.
Quantified gene expression of bone markers (BMP-2, BSP, ALP) using RT-PCR.

Main Results:

hMSCs adhered and proliferated faster on BCP particles than on plastic within the first day.
Abundant extracellular matrix production was observed, forming 3D hMSCs/BCP constructs.
BCP particles modified gene expression profiles of hMSCs.
Addition of osteogenic medium further enhanced bone marker expression.
BCP particles alone induced osteoblastic differentiation of hMSCs.

Conclusions:

BCP particles provide a suitable 3D environment for hMSC culture and proliferation.
BCP particles possess intrinsic osteoinductive properties, promoting hMSC osteoblastic differentiation.
This BCP particle-based system shows promise for bone tissue engineering applications.