Angiogenesis and Osteogenesis in Bone Regeneration
Summary
Bone regeneration relies on the coordinated interplay between angiogenesis and osteogenesis. Angiogenesis establishes a vascular network that delivers oxygen, nutrients and progenitor cells to the defect site, while osteogenesis encompasses the differentiation of osteoprogenitors into osteoblasts and the subsequent deposition of mineralised matrix. Signalling molecules such as vascular endothelial growth factor (VEGF), bone morphogenetic proteins (BMPs) and angiocrine factors mediate reciprocal communication between endothelial and bone cells. Successful repair of critical-size defects and non-union fractures demands precise spatial and temporal synchronisation of vessel invasion and bone formation. Recent advances in scaffold engineering and controlled release technologies aim to recreate the physiological microenvironment by fine-tuning growth factor dose and delivery kinetics. Such dual-axis strategies are poised to enhance the efficacy of grafted implants and accelerate functional recovery in orthopaedic and craniofacial applications.
Research from Nature Portfolio
Advanced intravital imaging of BMP-2-induced ectopic bone formation has unveiled the live, spatiotemporal sequence of events driving new tissue growth. By tracking osteoblast and osteoclast dynamics alongside collagen fibrillogenesis, mineral deposition and nascent microvasculature, researchers have characterised distinct phases of bone induction. The study further demonstrated that parathyroid hormone accelerates osteoblast differentiation and motility without altering osteoclast morphology, providing novel parameters to assess and optimise bone-forming activity in vivo. These insights refine our understanding of growth factor kinetics and cellular choreography essential for effective bone regeneration.
Angiogenesis and Osteogenesis in Bone Regeneration publication trend
The graph below shows the total number of articles in angiogenesis and osteogenesis in bone regeneration across all publications each year (not limited to Nature Index journals).
Technical terms
Angiogenesis: Formation of new blood vessels from existing vasculature, essential for nutrient and cell delivery during tissue regeneration.
Osteogenesis: Generation of new bone through differentiation of osteoprogenitors and mineral matrix formation.
Vascular endothelial growth factor (VEGF): A key signalling protein that promotes angiogenesis and influences osteogenic differentiation.
Bone morphogenetic proteins (BMPs): Growth factors that induce bone formation by stimulating osteoblast activity and matrix mineralisation.
Mesenchymal stem cells (MSCs): Multipotent progenitor cells capable of differentiating into bone, cartilage and other mesenchymal tissues.
Messenger RNA (mRNA): A nucleic acid template used experimentally to direct in situ synthesis of therapeutic proteins, such as growth factors.
References
- Enhancement of bone regeneration by coadministration of angiogenic and osteogenic factors using messenger RNA. Inflammation and Regeneration (2023).
- VEGF dose controls the coupling of angiogenesis and osteogenesis in engineered bone. npj Regenerative Medicine (2023).
- Endothelial cells produce angiocrine factors to regulate bone and cartilage via versatile mechanisms. Theranostics (2020).
- In vivo dynamic analysis of BMP-2-induced ectopic bone formation. Scientific Reports (2020).
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