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Studying angiogenesis in the human body isn't easy.
Researchers can't simply watch new blood vessels grow and remodel in real time, making it difficult to understand how vascular changes drive health and disease.
This week, we'll explore how advances in organoid technology are changing that.
→ Scientists can now grow miniature human tissues with functional blood vessels in the lab, opening new possibilities for studying disease and testing future therapies.
What Are Organoids?
Organoids are 3D tissue models derived from stem cells that mimic real human organs.
They are used to study:
Development
Disease progression
Drug response
However, traditional organoids have had a major limitation:
→ They lack blood vessels
Building Vascularized Organoids
Recent research has addressed this by incorporating mesodermal progenitor cells into organoids.
These cells can differentiate into:
Endothelial cells
Smooth muscle cells
Together, they form structured vascular networks within the tissue
What Makes This Important?
The newly formed vessels are not just structural, they are functional.
Studies show:
Organized, multi-layered vessel formation
Endothelial cell junctions and lumen structures
Expansion of vascular networks as organoids grow
→ These features more closely resemble real human tissue. These vascular networks respond to biological conditions:
Hypoxia (low oxygen) increases vessel growth
Anti-angiogenic drugs disrupt vascular formation
This makes organoids a powerful model for studying angiogenesis in real time
They found that lab-grown vessels can connect to host blood vessels after transplantation
This suggests potential applications in:
Regenerative medicine
Cancer research
Drug development
The Bottom Line
Vascular organoids represent a major step forward in understanding human biology.
They allow researchers to study complex tissue environments, vascular development, and disease processes in controlled settings. Angiogenesis is difficult to study but organoids are changing that.
Check out this weeks youtube video to see our mascot Dr. Angio bringing complex health and research topics to life.
P.S. Like what you’re reading? Support our mission to advance research and share science-backed health insights.
Make a donation to the Angiogenesis Foundation today.
Best wishes,
- The Angiogenesis Foundation
Check out the Angiogenesis Foundation Green Tea from Harney & Sons to support your vascular health.
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