IP Library Granted Patent US 8,962,322
Granted Patent B2
US 8,962,322 · App. 14/054,551 · Granted Feb 24, 2015

Enhancers of induced pluripotent stem cell reprogramming

Inventors: Yanhong Shi (Arcadia, CA); Man Lun Yip (Honolulu, HI); Wendong Li (Duarte, CA)
Assignee: City of Hope
C12N5/0696C12N2501/603
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 8,962,322
App. No.
14/054,551
Granted
Feb 24, 2015
Kind
B2
Abstract

Described herein, inter alia, are methods and compositions useful for induced pluripotent stem cell reprogramming.

Claims (50)

1. An in vitro method of making an induced pluripotent stem cell comprising:

(i) contacting a non-pluripotent cell with a compound having the formula:

wherein,

X 1 is C(R 12 ) or N;

X 2 is C(R 4 ) or N;

X 3 is C(R 5 ) or N;

R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 , R 11 and R 12 are independently selected from hydrogen, halogen, —CN, —NO 2 , —NH 2 , —CF 3 , —CCl 3 , —OH, —SH, —SO 3 H, —C(O)OH, —C(O)NH 2 , substituted or unsubstituted alkyl, substituted or unsubstituted heteroalkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted heterocycloalkyl, substituted or unsubstituted aryl or substituted or unsubstituted heteroaryl, wherein R 2 and R 3 are optionally joined to form a substituted or unsubstituted heterocycloalkyl or substituted or unsubstituted heteroaryl; and

(ii) transfecting said non-pluripotent cell with a nucleic acid encoding a Klf4 protein, introducing a recombinant Klf4 protein into said non-pluripotent cell, or contacting said non-pluripotent cell with a Klf4 expression inducer;

(iii) transfecting said non-pluripotent cell with a nucleic acid encoding a Sox2 protein, introducing a recombinant Sox2 protein into said non-pluripotent cell, or contacting said non-pluripotent cell with a Sox2 expression inducer;

(iv) transfecting said non-pluripotent cell with a nucleic acid encoding a cMyc protein, introducing a recombinant cMyc protein into said non-pluripotent cell, or contacting said non-pluripotent cell with a cMyc expression inducer; and

(v) after steps (i), (ii), (iii), and (iv), allowing said non-pluripotent cell to divide thereby forming said induced pluripotent stem cell.

2. The method of claim 1 , further comprising, prior to step (v), transfecting said non-pluripotent cell with a nucleic acid encoding an Oct4 protein or introducing a recombinant Oct4 protein into said non-pluripotent cell.

3. The method of claim 1 , further comprising, prior to step (v), transfecting said non-pluripotent cell with a nucleic acid encoding a Nanog protein or introducing a recombinant Nanog protein into said non-pluripotent cell.

4. The method of claim 1 , further comprising, prior to step (v), transfecting said non-pluripotent cell with a nucleic acid encoding a Lin28 protein, introducing a recombinant Lin28 protein into said non-pluripotent cell, or contacting said non-pluripotent cell with a Lin28 expression inducer.

5. The method of claim 1 , wherein

R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 , R 11 and R 12 are independently selected from hydrogen, halogen, —CN, —NO 2 , —NH 2 , —CF 3 , —CCl 3 , —OH, —SH, —SO 3 H, —C(O)OH, —C(O)NH 2 , substituted or unsubstituted alkyl, substituted or unsubstituted heteroalkyl, or substituted or unsubstituted heterocycloalkyl.

6. The method of claim 1 , wherein

R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 , R 11 and R 12 are independently selected from hydrogen, halogen, —CN, —NO 2 , —NH 2 , —CF 3 , —CCl 3 , —OH, —SH, —SO 3 H, —C(O)OH, —C(O)NH 2 , substituted or unsubstituted alkyl, or substituted or unsubstituted heteroalkyl.

7. The method of claim 1 , wherein

R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 , R 11 and R 12 are independently selected from hydrogen, halogen, —CN, —NO 2 , —NH 2 , —CF 3 , —CCl 3 , —OH, —SH, —SO 3 H, —C(O)OH, —C(O)NH 2 , substituted or unsubstituted C 1 to C 10 alkyl, substituted or unsubstituted 2 to 10 membered heteroalkyl or substituted or unsubstituted 3 to 8membered heterocycloalkyl.

8. The method of claim 1 , wherein

R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 , R 11 and R 12 are independently selected from hydrogen, halogen, —CN, —NO 2 , —NH 2 , —CF 3 , —CCl 3 , —OH, —SH, —SO 3 H, —C(O)OH, —C(O)NH 2 , substituted or unsubstituted C 1 to C 10 alkyl or substituted or unsubstituted 2 to 10 membered heteroalkyl.

9. The method of claim 1 , wherein

R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 , R 11 and R 12 are independently selected from hydrogen, halogen, —CN, —NO 2 , —NH 2 , —CF 3 , —CCl 3 , —OH, —SH, —SO 3 H, —C(O)OH, —C(O)NH 2 , unsubstituted alkyl, unsubstituted heteroalkyl, or substituted heterocycloalkyl.

10. The method of claim 1 , wherein

R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 , R 11 and R 12 are independently selected from hydrogen, halogen, —CN, —NO 2 , —NH 2 , —CF 3 , —CCl 3 , —OH, —SH, —SO 3 H, —C(O)OH, —C(O)NH 2 , unsubstituted alkyl or unsubstituted heteroalkyl.

11. The method of claim 1 , wherein

R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 , R 11 and R 12 are independently selected from hydrogen, halogen, —CN, —NO 2 , —NH 2 , —CF 3 , —CCl 3 , —OH, —SH, —SO 3 H, —C(O)OH, —C(O)NH 2 , unsubstituted C 1 to C 10 alkyl, unsubstituted 2 to 10 membered heteroalkyl, or substituted 3 to 8 membered heterocycloalkyl.

12. The method of claim 1 , wherein

R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9, R 10 , R 11 and R 12 are independently selected from hydrogen, halogen, —CN, —NO 2 , —NH 2 , —CF 3 , —CCl 3 , —OH, —SH, —SO 3 H, —C(O)OH, —C(O)NH 2 , unsubstituted C 1 to C 10 alkyl or unsubstituted 2 to 10 membered heteroalkyl.

13. The method of claim 1 , wherein

R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 , R 11 and R 12 are independently selected from hydrogen, halogen, unsubstituted C 1 to C 10 alkyl or unsubstituted 2 to 10 membered heteroalkyl.

14. The method of claim 1 , wherein

R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 , R 11 and R 12 are independently selected from hydrogen, halogen, —N(CH 3 ) 2 , unsubstituted C 1 to C 5 alkyl or unsubstituted C 1 to C 5 alkoxy.

15. The method of claim 1 , wherein

R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 , R 11 and R 12 are independently selected from hydrogen, halogen, —N(CH 3 ) 2 , unsubstituted C 1 to C 5 alkyl, methoxy, ethoxy or propoxy.

16. The method of claim 1 , wherein the compound is selected from the group consisting of

17. The method of claim 1 , wherein the compound is selected from the group consisting of

18. The method of claim 1 , wherein the compound is selected from the group consisting of

19. The method of claim 1 , wherein the compound is selected from the group consisting of

20. The method of claim 1 , wherein R 2 and R 3 are joined together to form a substituted or unsubstituted heteroaryl.

21. The method of claim 2 , wherein R 2 and R 3 are joined together to form a substituted or unsubstituted five-membered heteroaryl.

22. The method of claim 1 , wherein step (ii) is contacting said non-pluripotent cell with a Klf4 expression inducer.

23. The method of claim 22 , wherein said Klf4 expression inducer is valproic acid, kenpaullone, 5-aminoimidazole-4-carboxamide-I-b-riboside, AMI-5, sodium butyrate, PS48, A-83-1, PD0325901, or SB431542.

24. The method of claim 1 , wherein step (iii) is contacting said non-pluripotent cell with a Sox2 expression inducer.

25. The method of claim 24 , wherein said Sox2 expression inducer is BIX, BayK, CHIR99021, tranylcypromine, E-616452, Dasatinib, iPY, PP1, n-Butylidenephthalide, AMI-5, PS48, sodium butyrate, A-83-1, PD0325901, SB431542, an Alk5 inhibitor, and LIF.

26. The method of claim 1 , wherein step (iv) is contacting said non-pluripotent cell with a cMyc expression inducer.

27. The method of claim 26 , wherein said cMyc expression inducer is CHIR99021, BIX, BayK, valproic acid, 5′-azacytidine, 5-aminoimidazole-4-carboxamide-I-b-riboside, AMI-5, sodium butyrate, PS48, A-83-1, SB431542, PD0325901, an Alk5 inhibitor, and LIF.

28. The method of claim 1 , further comprising contacting said non-pluripotent cell with a Lin28 expression inducer.

29. The method of claim 27 , wherein said Lin28 expression inducer is CHIR99021, BIX, BayK, E-616452, Dasatinib, iPY, PP1, valproic acid, 5′-azacytidine, AMI-5, A-83-01, sodium butyrate, PS48, PD0325901, or SB431542.

Assignments (2)
CONFIRMATORY LICENSE Recorded Oct 21, 2015
From: CITY OF HOPE/BECKMAN RESEARCH INSTITUTE
To: NATIONAL INSTITUTES OF HEALTH (NIH), U.S. DEPT. OF HEALTH AND HUMAN SERVICES (DHHS), U.S. GOVERNMENT
Reel/Frame 036921/0352 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 22, 2014
From: YIP, MAN LUN; LI, WENDONG; SHI, YANHONG
To: BECKMAN RESEARCH INSTITUTE OF CITY OF HOPE
Reel/Frame 034009/0928 →
Continuity (2)
Provisional Application 61732875 · Dec 3, 2012
Related Publication 20140154805A1 · Jun 5, 2014