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Updated: Aug 28, 2025
Isolation, Culture, and Differentiation of Bone Marrow Stromal Cells and Osteoclast Progenitors from Mice
Published on: January 6, 2018
Dynamic transcriptome changes during osteogenic differentiation of bone marrow-derived mesenchymal stem cells
Huijiao Lv1, Tao Wang1, Shangkun Zhai1
1National Engineering Laboratory for Animal Breeding and MARA Key Laboratory of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, China Agricultural University, Beijing, China.
This study reveals dynamic gene expression changes during chicken bone marrow stem cell (BMSC) differentiation into osteoblasts. Key pathways involved in cell proliferation and TGF-β signaling were identified, offering insights into skeletal development.
Area of Science:
- Molecular Biology
- Stem Cell Biology
- Genomics
Background:
- Osteoblasts are crucial for bone formation and maintenance.
- Mesenchymal stem cells (MSCs) are vital for studying osteogenesis.
- Chicken models offer unique insights into skeletal biology.
Purpose of the Study:
- To investigate the transcriptomic landscape of osteogenic differentiation in chicken bone marrow-derived mesenchymal stem cells (BMSCs).
- To identify key genes and pathways regulating BMSC differentiation into osteoblasts over time.
- To provide a comprehensive analysis of dynamic gene expression during osteogenesis in White Leghorn chickens.
Main Methods:
- Isolation and in vitro differentiation of BMSCs from White Leghorn chickens.
- Transcriptomic analysis using the HISAT2-Stringtie-DESeq2 pipeline at multiple time points (-1, 0, 1, 11, 22 days).
- Weighted gene correlation network analysis (WGCNA), gene ontology (GO), and pathway enrichment analyses.
Main Results:
- Identification of thousands of differentially expressed genes (DEGs) across differentiation stages.
- Early differentiation enriched for cell proliferation pathways; later stages involved TGF-β signaling.
- Construction of a protein-protein interaction network for key DEGs in the MEturquoise module.
Conclusions:
- This study provides the first detailed transcriptomic analysis of BMSC osteogenic differentiation in White Leghorn chickens.
- The findings elucidate dynamic gene expression patterns and key regulatory pathways during osteoblast differentiation.
- Results offer valuable insights into the molecular mechanisms of skeletal growth and maintenance in avian species.
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