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Growth factor-free, chemically-defined culture system for expansion and derivation of human pluripotent stem cells

ABSTRACT: Growth factor-free, chemically-defined culture system for expansion and derivation of human pluripotent stem cells

PROVIDER: PRJNA403994 | ENA |

REPOSITORIES: ENA

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Heparin promotes cardiac differentiation of human pluripotent stem cells in chemically defined albumin-free medium enabling consistent manufacture of cardiomyocytes

Project description:Cardiomyocytes can be differentiated from human pluripotent stem cells (hPSCs) in defined conditions, but efficient and consistent cardiomyocyte differentiation often requires expensive reagents such as B27 supplement or recombinant albumin. Using a chemically defined albumin-free (E8 basal) medium, we identified heparin as a novel factor that significantly promotes cardiomyocyte differentiation efficiency, and developed an efficient method to differentiate hPSCs into cardiomyocytes. The treatment of heparin helped cardiomyocyte differentiation consistently reach at least 80% purity (up to 95%) from more than 10 different hPSC lines in chemically defined DMEM/F-12 based medium on either Matrigel or defined matrices like Vitronectin and Synthemax. One of heparinâs main functions was to act as a WNT modulator that helped promote robust and consistent cardiomyocyte production. Our study provides an efficient, reliable, and cost-effective method for cardiomyocyte derivation from hPSCs that can be used for potential large-scale drug screening, disease modeling, and future cellular therapies. 12 human pluripotent stem cells (hPSCs) at three different cardiac differentiation times (0 Days, 3 Days, 6 Days, 10 Days) under different culture conditions (+/- Heparin, +/- IWP2).

2016-07-28 | E-GEOD-81711 | biostudies-arrayexpress

Growth factor-free, chemically-defined culture system for expansion and derivation of human pluripotent stem cells

Project description:This SuperSeries is composed of the SubSeries listed below.

2017-09-10 | GSE103669 | GEO

Xeno-free and Chemically Defined Human System for Culturing Human Epidermal Keratinocytes

Project description:Xeno-free and Chemically Defined Human System for Culturing Human Epidermal Keratinocytes

| PRJNA431596 | ENA

Heparin promotes cardiac differentiation of human pluripotent stem cells in chemically defined albumin-free medium enabling consistent manufacture of cardiomyocytes

Project description:Cardiomyocytes can be differentiated from human pluripotent stem cells (hPSCs) in defined conditions, but efficient and consistent cardiomyocyte differentiation often requires expensive reagents such as B27 supplement or recombinant albumin. Using a chemically defined albumin-free (E8 basal) medium, we identified heparin as a novel factor that significantly promotes cardiomyocyte differentiation efficiency, and developed an efficient method to differentiate hPSCs into cardiomyocytes. The treatment of heparin helped cardiomyocyte differentiation consistently reach at least 80% purity (up to 95%) from more than 10 different hPSC lines in chemically defined DMEM/F-12 based medium on either Matrigel or defined matrices like Vitronectin and Synthemax. One of heparin’s main functions was to act as a WNT modulator that helped promote robust and consistent cardiomyocyte production. Our study provides an efficient, reliable, and cost-effective method for cardiomyocyte derivation from hPSCs that can be used for potential large-scale drug screening, disease modeling, and future cellular therapies.

2016-07-28 | GSE81711 | GEO

Human dental pulp cells cultured in FBS vs. chemically defined conditions

Project description:Human dental pulp cells (hDPCs) are one of the promising resources for regenerative medicine and tissue engineering, including derivation of induced pluripotent stem cells (iPSCs). However, our current protocol uses reagents of animal origin, mainly fetal bovine serum (FBS) with potential risk of infectious diseases and unwanted immunogenicity. This time, we designed a chemically defined protocol to isolate and maintain the growth and differentiation potentials of hDPCs.

2014-12-25 | GSE59493 | GEO

Xeno-free and Chemically Defined Human System for Culturing Human Epidermal Keratinocytes

Project description:Developing an effective xeno-free and defined system for human keratinocyte culture has been one of the fundamental measures in current cellular therapy. For keratinocytes, in particular, such system will not only fulfill clinical safety and quality criteria, it will allow for the management of less severe burns and other skin injuries such as chronic wounds. To date, the expansion of autologous keratinocytes in the clinical settings still relies on 3T3 feeder co-culture system. Here we report a completely xeno-free and defined culture system by using human recombinant laminins as feeder replacement. We have thoroughly characterized the cells cultured in this new system both in vitro and in vivo. We found that laminin-511/-521, and the unanticipated laminin-411/-421, but not -332, -111, -121, -211, or LN-221 support adult human skin keratinocytes and could maintain their self-renewal properties comparable to the 3T3 system. We believe our new culture method should facilitate broader use of cultured epithelial cell products for today’s regenerative medicine.

2018-11-06 | GSE109645 | GEO

Transcription profiling of human embryonic stem cells and their differentiated progeny grown in chemically defined conditions

Project description:Comparison of H9 human embryonic stem cells, grown in chemically defined and animal-product free conditions, with their differentiated progeny - mesendodermal progenitors arisen as the result of changes made to chemically defined hESC growth conditions. Contributes to a larger work on the use of chemically defined growth conditions to direct hESC differentiation.

2009-07-31 | E-MEXP-930 | biostudies-arrayexpress

Modulation of Wnt and Activin/Nodal supports efficient derivation, cloning and suspension expansion of human pluripotent stem cells

Project description:Various culture systems have been used to derive and maintain human pluripotent stem cells (hPSCs), but they are inefficient in sustaining cloning and suspension expansion of hPSCs. Through systematically modulating Wnt and Activin/Nodal signaling, we developed a defined medium (termed AIC), which enables efficient cloning and long-term expansion of hPSCs (AIC-hPSCs) through single-cell passage on feeders, matrix or in suspension (25-fold expansion in 4 days) and maintains genomic stability of hPSCs over extensive expansion. Moreover, the AIC medium supports efficient derivation of hPSCs from blastocysts or somatic cells under feeder-free conditions. Compared to conventional-culture hPSCs, AIC-hPSCs have similar gene expression profiles but down-regulated differentiation genes and display higher metabolic activity. The AIC medium shows a good compatibility for suspension expansion of different hPSC lines. Our study provides a robust culture system for derivation, cloning and suspension expansion of high-quality hPSCs that benefits GMP production and processing of therapeutic hPSC products

2020-04-23 | GSE145163 | GEO

Human umbilical cord blood-derived endothelial colony forming cells under serum-free conditions

Project description:Derivation and expansion of human umbilical cord blood-derived endothelial colony forming cells under serum-free conditions - a transcriptome analysis. Endothelial colony forming cells (ECFCs) were isolated from term umbilical cord blood units. ECFCs were expanded under standard, fetal bovine serum (FBS) containing endothelial medium, or transferred to chemically defined endothelial media without FBS. Microarray expression profiling was applied to compare the transcriptome profiles in FBS-containing versus FBS-free culture.

2010-06-29 | GSE20504 | GEO

Human umbilical cord blood-derived endothelial colony forming cells under serum-free conditions

2010-07-29 | E-GEOD-20504 | biostudies-arrayexpress

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