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Updated: Jun 26, 2025
Isolation of Mesenchymal Stem Cells from Human Alveolar Periosteum and Effects of Vitamin D on Osteogenic Activity of Periosteum-derived Cells
Published on: May 4, 2018
Vasoactive intestinal peptide exerts an osteoinductive effect in human mesenchymal stem cells
David Castro-Vázquez1, Paula Arribas-Castaño1, Iván García-López1
1Department of Cell Biology, Faculty of Biological Science, Complutense University of Madrid, Madrid, Spain.
Vasoactive intestinal peptide (VIP) promotes human mesenchymal stem cell (MSC) differentiation into bone-building osteoblasts. This neuropeptide enhances bone formation and may regulate bone homeostasis by influencing osteoblast-to-osteoclast signaling.
Area of Science:
- Bone Biology
- Cellular Signaling
- Stem Cell Differentiation
Background:
- Neuropeptides in bone regulate osteoblast and osteoclast functions.
- Maintaining bone homeostasis is crucial for skeletal health.
Purpose of the Study:
- To investigate the role of vasoactive intestinal peptide (VIP) in human mesenchymal stem cell (MSC) osteogenic differentiation.
- To characterize VIP's influence on osteoblast anabolic function and bone homeostasis.
Main Methods:
- Assessed mRNA and protein expression of VIP and its receptors during MSC osteogenic differentiation.
- Evaluated the effect of VIP on osteoblast marker expression, bone matrix formation, and cytoskeletal organization.
- Analyzed VIP's impact on the receptor activator of nuclear factor-κB ligand/osteoprotegerin ratio.
Main Results:
- VIP and its receptors are expressed in differentiating MSCs, indicating autocrine signaling.
- VIP enhances early osteoblast markers, bone matrix deposition, and cytoskeletal reorganization.
- VIP downregulates the receptor activator of nuclear factor-κB ligand/osteoprotegerin ratio, modulating osteoblast-to-osteoclast communication.
Conclusions:
- VIP acts as an osteoinductive factor, promoting MSC differentiation into osteoblasts.
- VIP plays a significant role in maintaining human bone homeostasis.
- VIP presents potential as a therapeutic target for bone-related disorders.
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