Generation of midbrain-specific organoids from human pluripotent stem cells
US12428623B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Mar 14, 2017 |
| Grant date | Sep 30, 2025 |
| Priority date | — |
| Expiry date | Sep 9, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12N2533/90
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
The present disclosure provides a method of deriving and maintaining a midbrain-like organoid in culture, comprising (a) culturing pluripotent stem cells to obtain neuronal lineage embryoid bodies; (b) culturing the neuronal lineage embryoid bodies from (a) to obtain midbrain regionalized tissues; (c) embedding and culturing the midbrain regionalized tissues from (b) in an extracellular matrix to obtain neuroepithelial tissues; and (c) culturing the neuroepithelial tissues from (c) to obtain a midbrain-like organoid. Also disclosed herein are culture media suitable for deriving and maintaining neuronal lineage embryoid bodies comprising (a) TGF-β Inhibitor and/or SMAD2/3 inhibitors; and (b) WNT-signaling activator; culture media suitable for deriving and maintaining midbrain regionalized tissues comprising (a) TGF-β Inhibitor and/or SMAD2/3 inhibitors; (b) WNT-signaling activator; (c) hedgehog signaling protein; and (d) fibroblast growth factor; culture media suitable for deriving and maintaining neuroepithelial tissues comprising (a) hedgehog signaling protein; and (b) fibroblast growth factor and culture media suitable for deriving and maintaining a midbrain-like organoid compris…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.