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Evaluation of tissue-engineered bone constructs using rabbit fetal osteoblasts on acellular bovine cancellous bone
Rashmi1, Rekha Pathak1, Amarpal1
1Division of Veterinary Surgery, Indian Veterinary Research Institute, Izatnagar, Bareilly - 243 122, Uttar Pradesh, India.
Veterinary World
|March 28, 2017
Summary
Researchers developed a composite bone graft using rabbit fetal osteoblasts on acellular bone matrices. The study confirmed successful cell adhesion, proliferation, and penetration, showing potential for bone tissue engineering applications.
Area of Science:
- Biomaterials Science
- Tissue Engineering
- Orthopedic Research
Background:
- Bone tissue engineering aims to regenerate bone defects using scaffolds and cells.
- Acellular bone matrices offer a promising natural scaffold material.
- Investigating osteoblast behavior on these matrices is crucial for graft development.
Purpose of the Study:
- To create a composite bone graft material.
- To evaluate rabbit fetal osteoblast adhesion, proliferation, and penetration on acellular cancellous bone matrices.
Main Methods:
- Acellular cancellous bone matrices were prepared and decellularized using freeze-thaw cycles, hydrogen peroxide, and ethanol.
- Primary osteoblasts were harvested from rabbit fetuses, cultured, and characterized.
- Third-passage osteoblasts were seeded onto scaffolds and incubated for 14 days, with cell growth assessed via scanning electron microscopy and H&E staining.
Main Results:
- Rabbit fetal osteoblasts demonstrated robust growth on the scaffold surface.
- Cells exhibited filopodial extensions, penetrating into the core of the acellular bone matrix.
Conclusions:
- A viable composite bone scaffold was successfully developed.
- This scaffold shows significant potential for applications in bone tissue engineering.
