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Obtaining Primary Osteocytes Through Murine Calvarial Fractionation of GFP-Expressing Osteocytes
Published on: June 2, 2020
Isolation of primary avian osteocytes
Cor M Semeins1, Astrid D Bakker, Jenneke Klein-Nulend
1Department of Oral Cell Biology, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and VU University Amsterdam, Research Institute MOVE, Amsterdam, The Netherlands. c.semeins@acta.nl
Methods in Molecular Biology (Clifton, N.J.)
|December 2, 2011
Summary
Researchers isolated osteocytes from chicken bone using EDTA and collagenase. Further purification with a specific antibody yielded pure osteocyte populations for study.
Area of Science:
- Bone biology and cell isolation techniques.
- Biochemistry and immunology in cell separation.
Background:
- Osteocytes are crucial cells within bone tissue, but their isolation is challenging.
- Understanding osteocyte function requires pure cell populations free from other bone cells.
Purpose of the Study:
- To develop and validate a method for isolating osteocytes from chicken calvaria.
- To achieve a pure osteocyte population using immunomagnetic separation.
Main Methods:
- Chicken calvaria were treated with ethylenediaminetetraacetic acid (EDTA) and collagenase.
- Immunomagnetic separation using the osteocyte-specific monoclonal antibody MAb OB7.3 was employed.
- Cell populations were analyzed for purity.
Main Results:
- A mixed population of osteoblasts and osteocytes was obtained after enzymatic treatment.
- Immunomagnetic separation successfully isolated a pure population of osteocytes.
- The MAb OB7.3 antibody proved effective for osteocyte-specific targeting.
Conclusions:
- A robust method combining enzymatic digestion and immunomagnetic separation enables pure osteocyte isolation.
- This technique provides a valuable tool for studying osteocyte biology.
- The MAb OB7.3 antibody is a reliable marker for chicken osteocytes.
