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Updated: Jun 12, 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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Efficient cell-seeding into scaffolds improves bone formation.

T Hasegawa¹, M Miwa, Y Sakai

¹Department of Oral and Maxillofacial Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo 650-0017, Japan.

Journal of Dental Research

|June 10, 2010

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The syringe method best seeds bone marrow stromal cells (BMSCs) into beta-tricalcium phosphate (beta-TCP) scaffolds. This technique enhances bone regeneration both in vitro and in vivo for tissue engineering applications.

Area of Science:

Biomaterials Science
Regenerative Medicine
Tissue Engineering

Background:

Bone marrow stromal cells (BMSCs) and beta-tricalcium phosphate (beta-TCP) composites are crucial for bone tissue engineering.
Efficient cell-seeding systems are vital for achieving effective bone regeneration.
Current seeding methods require optimization for improved outcomes.

Purpose of the Study:

To evaluate the impact of different cell-seeding systems on BMSC incorporation into beta-TCP composites.
To compare the in vitro and in vivo osteogenic differentiation capacity of BMSCs seeded using various methods.
To identify the most effective cell-seeding technique for enhancing bone formation.

Main Methods:

Four conventional systems (soak, low-pressure, pipette, syringe) were used to seed rat BMSCs into beta-TCP.

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Last Updated: Jun 12, 2026

Distinctive Capillary Action by Micro-channels in Bone-like Templates can Enhance Recruitment of Cells for Restoration of Large Bony Defect

Distinctive Capillary Action by Micro-channels in Bone-like Templates can Enhance Recruitment of Cells for Restoration of Large Bony Defect

Published on: September 11, 2015

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Published on: April 19, 2015

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Quantified the number of cells within the composites post-seeding.

Assessed osteogenic differentiation in vitro (2-week induction) and in vivo (8-week subcutaneous implantation).

Main Results:

The syringe system yielded the highest number of seeded BMSCs within the beta-TCP composites.
Composites prepared using the syringe method demonstrated superior osteogenic potential after in vitro induction.
This enhanced osteogenic capacity was sustained for up to 8 weeks following in vivo implantation.

Conclusions:

The syringe cell-seeding system is highly effective for incorporating BMSCs into beta-TCP scaffolds.
Efficient cell-seeding significantly improves both in vitro and in vivo bone formation.
This optimized seeding technique holds potential for clinical applications in bone tissue engineering.