Related Experiment Video
Updated: Apr 21, 2026
09:20
Laser Capture Microdissection of Mouse Embryonic Cartilage and Bone for Gene Expression Analysis
Published on: December 18, 2019
6.6K
Comparison of gene expression between mandibular and iliac bone-derived cells
Jung-Tae Lee1, So-Young Choi, Hyung-Lak Kim
1Department of Oral & Maxillofacial Surgery, School of Dentistry, Kyungpook National University, Daegu, Republic of Korea.
Clinical Oral Investigations
|November 5, 2014
Summary
Human mandibular and iliac bone cells show distinct gene expression patterns, reflecting their unique developmental origins. These findings are crucial for understanding bone biology and conditions like osteonecrosis of the jaw.
Area of Science:
- Genomics
- Cell Biology
- Skeletal Biology
Background:
- Bone-derived cells (BCs) exhibit site-specific characteristics.
- Understanding these differences is key to comprehending bone development and disease.
Purpose of the Study:
- To investigate and compare gene expression profiles of human mandibular and iliac bone-derived cells.
- To elucidate the site-specific genetic characteristics of human bone cells.
Main Methods:
- Primary BCs were isolated from mandibular and iliac bones of six elderly donors.
- Gene expression profiles were analyzed using cDNA microarray analysis to identify differential gene expression.
Main Results:
- Significant differences in gene expression were observed between mandibular and iliac BCs (82 upregulated, 66 downregulated).
- Differentially expressed genes were primarily associated with skeletal development and morphogenesis.
- Mandibular BCs showed upregulation of genes related to tooth morphogenesis and downregulation of HOX genes and osteopontin.
Conclusions:
- Gene expression patterns explain site-specific differences between jaw and long bones.
- Bone cells retain genetic characteristics reflecting their embryological origin.
- These findings are relevant for understanding jaw bone development and bisphosphonate-related osteonecrosis of the jaw.
