IP Library › Granted Patent US 12,258,584
Granted Patent B2
US 12,258,584 · App. 16/599,620 · Granted Mar 25, 2025

Methods and systems for converting precursor cells into intestinal tissues through directed differentiation

Inventors: James M. Wells (Cincinnati, OH); Aaron M. Zorn (Cincinnati, OH); Jason R. Spence (Ann Arbor, MI); Noah F. Shroyer (Houston, TX)
Assignee: Children's Hospital Medical Center
C12N5/0679C12N5/0661C12N2501/119C12N2501/155C12N2501/16C12N2501/385C12N2501/415C12N2502/02C12N2502/45
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Quick Facts
Patent No.
US 12,258,584
App. No.
16/599,620
Granted
Mar 25, 2025
Kind
B2
Abstract

The generation of complex organ tissues from human embryonic and pluripotent stem cells (PSCs) remains a major challenge for translational studies. It is shown that PSCs can be directed to differentiate into intestinal tissue in vitro by modulating the combinatorial activities of several signaling pathways in a step-wise fashion, effectively recapitulating in vivo fetal intestinal development. The resulting intestinal “organoids” were three-dimensional structures consisting of a polarized, columnar epithelium surrounded by mesenchyme that included a smooth muscle-like layer. The epithelium was patterned into crypt-like SOX9-positive proliferative zones and villus-like structures with all of the major functional cell types of the intestine. The culture system is used to demonstrate that expression of NEUROG3, a pro-endocrine transcription factor mutated in enteric anendocrinosis is sufficient to promote differentiation towards the enteroendocrine cell lineage. In conclusion, PSC-derived human intestinal tissue should allow for unprecedented studies of human intestinal development, homeostasis and disease.

Claims (23)

1. A method of obtaining an intestinal organoid comprising a) contacting definitive endoderm (DE) with FGF4 and a Wnt signaling pathway activator to form hindgut endoderm (HE) which expresses CDX2, wherein the HE maintains expression of CDX2 following removal of the FGF4 and Wnt signaling pathway activator, and b) contacting the HE with EGF and a BMP signaling pathway inhibitor to produce one or more intestinal organoid, wherein said DE is derived from an induced human pluripotent stem cell (iPSC).

2. The method of claim 1 , wherein said Wnt signaling pathway activator is a small molecule inhibitor of glycogen synthase kinase-3 (GSK-3).

3. The method of claim 1 , wherein the intestinal organoid is embedded in a basement membrane-like matrix.

4. The method of claim 1 , wherein the intestinal organoid comprises MUC2+ goblet cells.

5. The method of claim 4 , wherein the intestinal organoid comprises a lumen, and wherein mucin is secreted into the lumen.

6. The method of claim 2 , wherein the concentration of Wnt signaling pathway activator is 500 ng/ml to 1,500 ng/ml.

7. The method of claim 1 , wherein the concentration of FGF4 is 50 ng/ml to 500 ng/ml.

8. The method of claim 6 , wherein the concentration of FGF4 is 50 ng/ml to 500 ng/ml.

9. The method of claim 1 , wherein the concentration of EGF is 20 ng/ml to 75 ng/ml.

10. The method of claim 6 , wherein the concentration of EGF is 20 ng/ml to 75 ng/ml.

11. The method of claim 7 , wherein the concentration of EGF is 20 ng/ml to 75 ng/ml.

12. The method of claim 8 , wherein the concentration of EGF is 20 ng/ml to 75 ng/ml.

13. The method of claim 1 , wherein the concentration of BMP signaling pathway inhibitor is 75 ng/ml to 150 ng/ml.

14. The method of claim 6 , wherein the concentration of BMP signaling pathway inhibitor is 75 ng/ml to 150 ng/ml.

15. The method of claim 7 , wherein the concentration of BMP signaling pathway inhibitor is 75 ng/ml to 150 ng/ml.

16. The method of claim 8 , wherein the concentration of BMP signaling pathway inhibitor is 75 ng/ml to 150 ng/ml.

17. The method of claim 9 , wherein the concentration of BMP signaling pathway inhibitor is 75 ng/ml to 150 ng/ml.

18. The method of claim 10 , wherein the concentration of BMP signaling pathway inhibitor is 75 ng/ml to 150 ng/ml.

19. The method of claim 11 , wherein the concentration of BMP signaling pathway inhibitor is 75 ng/ml to 150 ng/ml.

20. The method of claim 12 , wherein the concentration of BMP signaling pathway inhibitor is 75 ng/ml to 150 ng/ml.

21. The method of claim 20 , wherein the BMP signaling pathway inhibitor is Noggin.

22. The method of claim 1 , wherein removal of the FGF4 and Wnt signaling pathway activators comprises transferring to a three-dimensional culture system and/or providing with fresh media.

23. The method of claim 22 , wherein the three-dimensional culture system comprises a basement membrane matrix.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 14, 2024
From: WELLS, JAMES M.; ZORN, AARON M.; SPENCE, JASON R.; SHROYER, NOAH F.
To: CHILDREN'S HOSPITAL MEDICAL CENTER
Reel/Frame 069261/0359 →
CONFIRMATORY LICENSE Recorded Jan 29, 2024
From: CINCINNATI CHILDRENS HOSP MED CTR
To: NATIONAL INSTITUTES OF HEALTH (NIH), U.S. DEPT. OF HEALTH AND HUMAN SERVICES (DHHS), U.S. GOVERNMENT
Reel/Frame 066377/0726 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 23, 2020
From: WELLS, JAMES M.; ZORN, AARON M.; SPENCE, JASON R.; SHROYER, NOAH F
To: CHILDREN'S HOSPITAL MEDICAL CENTER
Reel/Frame 054151/0019 →
Continuity (4)
Continuation 15627588 · Jun 20, 2017
Continuation 13695887
Provisional Application 61332178 · May 6, 2010
Related Publication 20200190478A1 · Jun 18, 2020
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