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Published on: February 24, 2017
Differentiation of mesenchymal stem cells to osteoblasts and chondrocytes: a focus on adenosine receptors
Shannon H Carroll1, Katya Ravid
1Department of Biochemistry, Boston University School of Medicine, Boston, MA, USA.
Abstract:
Skeletogenesis, either during development, post-injury or for maintenance, is a carefully coordinated process reliant on the appropriate differentiation of mesenchymal stem cells. Some well described, as well as a new regulator of this process (adenosine receptors), are alike in that they signal via cyclic-AMP (cAMP). This review highlights the known contribution of cAMP signalling to mesenchymal stem cell differentiation to osteoblasts and to chondrocytes. Focus has been given to how these regulators influence the commitment of the osteochondroprogenitor to these separate lineages.
Insights
Mesenchymal stem cell differentiation into bone and cartilage cells relies on cyclic-AMP (cAMP) signaling. Adenosine receptors are identified as key regulators influencing this crucial skeletal development process.
Area of Science:
- Biochemistry
- Cell Biology
- Developmental Biology
Background:
- Skeletogenesis requires precise mesenchymal stem cell differentiation.
- Cyclic-AMP (cAMP) signaling is a known pathway in cell differentiation.
- Adenosine receptors represent a newly identified regulator in this process.
Purpose of the Study:
- To review the role of cAMP signaling in mesenchymal stem cell differentiation.
- To highlight the influence of adenosine receptors on osteoblast and chondrocyte commitment.
- To explore how these regulators guide osteochondroprogenitor lineage commitment.
Main Methods:
- Literature review of existing studies on cAMP signaling and adenosine receptors.
- Analysis of regulatory mechanisms in mesenchymal stem cell differentiation.
- Focus on lineage commitment to osteoblasts and chondrocytes.
Main Results:
- cAMP signaling is integral to mesenchymal stem cell differentiation into osteoblasts and chondrocytes.
- Adenosine receptors, signaling via cAMP, are significant regulators of skeletogenesis.
- These pathways influence the commitment of osteochondroprogenitors to specific cell fates.
Conclusions:
- cAMP signaling pathways are critical for skeletal development.
- Adenosine receptors play a key role in regulating mesenchymal stem cell differentiation for bone and cartilage formation.
- Understanding these regulators is vital for controlling osteochondroprogenitor fate.
