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- Title
Human Blood Vessel Organoids Penetrate Human Cerebral Organoids and Form a Vessel-Like System.
- Authors
Ahn, Yujin; An, Ju-Hyun; Yang, Hae-Jun; Lee, Dong Gil; Kim, Jieun; Koh, Hyebin; Park, Young-Ho; Song, Bong-Seok; Sim, Bo-Woong; Lee, Hong J.; Lee, Jong-Hee; Kim, Sun-Uk
- Abstract
Vascularization of tissues, organoids and organ-on-chip models has been attempted using endothelial cells. However, the cultured endothelial cells lack the capacity to interact with other somatic cell types, which is distinct from developing vascular cells in vivo. Recently, it was demonstrated that blood vessel organoids (BVOs) recreate the structure and functions of developing human blood vessels. However, the tissue-specific adaptability of BVOs had not been assessed in somatic tissues. Herein, we investigated whether BVOs infiltrate human cerebral organoids and form a blood–brain barrier. As a result, vascular cells arising from BVOs penetrated the cerebral organoids and developed a vessel-like architecture composed of CD31+ endothelial tubes coated with SMA+ or PDGFR+ mural cells. Molecular markers of the blood-brain barrier were detected in the vascularized cerebral organoids. We revealed that BVOs can form neural-specific blood-vessel networks that can be maintained for over 50 days.
- Subjects
BLOOD vessels; ORGANOIDS; SOMATIC cells; ENDOTHELIAL cells; BLOOD-brain barrier; HEMATOPOIESIS
- Publication
Cells (2073-4409), 2021, Vol 10, Issue 8, p2036
- ISSN
2073-4409
- Publication type
Article
- DOI
10.3390/cells10082036