Encapsulation of pancreatic cells derived from human pluripotent stem cells
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61F-002/00
A61M-031/00
A61M-037/00
C12N-005/08
A61L-027/38
A61K-035/39
C12N-005/071
A61L-027/14
A61L-027/54
A01N-001/02
A61K-038/28
A61M-005/00
A61F-002/02
A61L-027/50
A61L-027/56
A61K-035/12
출원번호
US-0820807
(2015-08-07)
등록번호
US-9764062
(2017-09-19)
발명자
/ 주소
Martinson, Laura
Green, Chad
Kroon, Evert
Baetge, Emmanuel Edward
출원인 / 주소
ViaCyte, Inc.
대리인 / 주소
Klarquist Sparkman, LLP
인용정보
피인용 횟수 :
0인용 특허 :
96
초록
The present invention relates to methods for encapsulating pancreatic progenitors in a biocompatible semi-permeable encapsulating device. The present invention also relates to production of human insulin in a mammal in response to glucose stimulation.
대표청구항▼
1. A perforated semi-permeable device comprising a human pancreatic progenitor cell population within a semi-permeable membrane comprising a synthetic material, wherein the synthetic material is polysulfone (PSF), nano-fiber mats, polyimide, tetrafluoroethylene/polytetrafluoroethylene (PTFE), expand
1. A perforated semi-permeable device comprising a human pancreatic progenitor cell population within a semi-permeable membrane comprising a synthetic material, wherein the synthetic material is polysulfone (PSF), nano-fiber mats, polyimide, tetrafluoroethylene/polytetrafluoroethylene (PTFE), expanded polytetrafluoroethylene (ePTFE), polyacrylonitrile, polyethersulfone, acrylic resin, cellulose acetate, cellulose nitrate, polyamide, or hydroxylpropyl methyl cellulose (HPMC);a cell encapsulation chamber; andat least one seal that is within the cell encapsulation chamber, wherein the at least one seal within the cell encapsulation chamber does not increase the surface area of the cell encapsulation chamber relative to the absence of the at least one seal. 2. The device of claim 1, wherein the device is implanted into a mammalian host. 3. The device of claim 2, wherein the mammalian host is immuno-suppressed. 4. The device of claim 2, wherein the device is vascularized on the exterior and interior of the device. 5. The device of claim 1, wherein the device is permeable to oxygen and glucose. 6. The device of claim 1, wherein the device comprises more than one cell encapsulation chamber. 7. The device of claim 1, wherein the device is refillable. 8. The device of claim 1, wherein the synthetic material is PTFE. 9. The device of claim 1, wherein the synthetic material is ePTFE. 10. A perforated semi-permeable device comprising a human pancreatic progenitor cell population within a semi-permeable membrane consisting of a synthetic material, wherein the synthetic material is polysulfone (PSF), nano-fiber mats, polyimide, tetrafluoroethylene/polytetrafluoroethylene (PTFE), expanded polytetrafluoroethylene (ePTFE), polyacrylonitrile, polyethersulfone, acrylic resin, cellulose acetate, cellulose nitrate, polyamide, or hydroxylpropyl methyl cellulose (HPMC);a cell encapsulation chamber; andat least one seal that is within the cell encapsulation chamber, wherein the at least one seal within the cell encapsulation chamber does not increase the surface area of the cell encapsulation chamber relative to the absence of the at least one seal. 11. A perforated semi-permeable device comprising a human pancreatic progenitor cell population within a semi-permeable membrane consisting of expanded polytetrafluoroethylene (ePTFE);a cell encapsulation chamber; andat least one seal that is within the cell encapsulation chamber, wherein the at least one seal within the cell encapsulation chamber does not increase the surface area of the cell encapsulation chamber relative to the absence of the at least one seal. 12. The device of claim 11, wherein the device comprises more than one cell encapsulation chamber. 13. The device of claim 11, wherein the device is refillable. 14. The device of claim 11, wherein the device is vascularized on the exterior and interior of the device.
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