Method of producing erythrocytes without feeder cells
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C12N-005/02
C12N-005/00
C12N-005/078
출원번호
US-0052524
(2013-10-11)
등록번호
US-9255248
(2016-02-09)
발명자
/ 주소
Abbot, Stewart
Kang, Lin
Voskinarian-Berse, Vanessa
Zhang, Xiaokui
출원인 / 주소
Anthrogenesis Corporation
대리인 / 주소
Jones Day
인용정보
피인용 횟수 :
1인용 특허 :
113
초록▼
Provided herein are methods of producing erythrocytes from hematopoietic cells, particularly hematopoietic cells from placental perfusate in combination with hematopoietic cells from umbilical cord blood, wherein the method results in accelerated expansion and differentiation of the hematopoietic ce
Provided herein are methods of producing erythrocytes from hematopoietic cells, particularly hematopoietic cells from placental perfusate in combination with hematopoietic cells from umbilical cord blood, wherein the method results in accelerated expansion and differentiation of the hematopoietic cells to more efficiently produce administrable erythrocytes. Further provided herein is a bioreactor in which hematopoietic cell expansion and differentiation takes place.
대표청구항▼
1. A medium for growth or differentiation of hematopoietic cells comprising SCF at a concentration of about 10 to about 10,000 ng/mL, IL-3 at a concentration of about 0.01 to about 500 ng/mL, and EPO at a concentration of about 0.1 to about 10 IU/mL, wherein said medium comprises insulin-like growth
1. A medium for growth or differentiation of hematopoietic cells comprising SCF at a concentration of about 10 to about 10,000 ng/mL, IL-3 at a concentration of about 0.01 to about 500 ng/mL, and EPO at a concentration of about 0.1 to about 10 IU/mL, wherein said medium comprises insulin-like growth factor 1 (IGF-1) at a concentration of about 1 to about 1000 ng/mL,wherein said composition does not comprise one or more of Flt-3L, IL-11, thrombopoietin (Tpo), homeobox-B4 (HoxB4), or methylcellulose,wherein said SCF, IL-3 and Epo are not comprised within an undefined component of said medium, andwherein said medium further comprises lipids at a concentration of about 1 to about 1000 μg/mL, wherein said lipids comprise a mixture of protein and cholesterol. 2. The medium of claim 1, wherein said SCF is present at a concentration of about 50 to about 1000 ng/mL. 3. The medium of claim 1, wherein said medium comprises hydrocortisone at a concentration of about 0.01 to about 100 μM, or dexamethasone at a concentration of about 0.01 μM to about 100 μM. 4. The medium of claim 3, wherein said IGF-1 is present at a concentration of about 20 to about 100 ng/mL. 5. The medium of claim 3, wherein said lipids are present at a concentration of about 20 to about 100 μg/mL. 6. The medium of claim 3 wherein said hydrocortisone is present at a concentration of about 0.5 to about 10 μM. 7. The medium of claim 3, wherein said dexamethasone is present at a concentration of about 0.1 to about 10 μM. 8. The medium of claim 3 wherein said medium comprises about 100 ng/mL SCF, about 3 IU/mL Epo, about 40 ng/mL IGF-1, about 1 μM Dexamethasone, and 40 μg/ml lipids. 9. The medium of claim 3 wherein said medium comprises about 100 ng/mL SCF, about 2 IU/mL Epo, about 40 ng/mL IGF-1, about 1 μM hydrocortisone, and 50 μg/ml lipids, wherein said lipids comprise a mixture of protein and cholesterol. 10. The medium of claim 1, wherein said medium additionally comprises a population of human hematopoietic cells. 11. A medium for growth or differentiation of hematopoietic cells comprising SCF at a concentration of about 10 to about 10,000 ng/mL, IL-3 at a concentration of about 5 ng/mL, and EPO at a concentration of about 0.1 to about 10 IU/mL, wherein said medium comprises insulin-like growth factor 1 (IGF-1) at a concentration of about 1 to about 1000 ng/mL,wherein said composition does not comprise one or more of Flt-3L, IL-11, thrombopoietin (Tpo) homeobox-B4 (HoxB4) or methycellulose, andwherein said SCF, IL-3 and Epo are not comprised within an undefined component of said medium. 12. A medium for growth or differentiation of hematopoietic cells comprising SCF at a concentration of about 10 to about 10,000 ng/mL, IL-3 at a concentration of about 0.01to about 500 ng/mL, and EPO at a concentration of about 2 to about 3 IU/mL, wherein said medium comprises insulin-like growth factor 1 (IGF-1) at a concentration of about 1 to about 1000 ng/mL,wherein said composition does not comprise one or more of Flt-3L, IL-11, thrombopoietin (Tpo), homeobox-B4), or methycellulose, andwherein said SCF, IL-3 and Epo are not comprised within an undefined component of said medium.
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