Homo sapiens
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA252868 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR2057690_1.fastq.gz | Fastqsanger.gz | |||
| SRR2057690_2.fastq.gz | Fastqsanger.gz | |||
| SRR2057700_1.fastq.gz | Fastqsanger.gz | |||
| SRR2057700_2.fastq.gz | Fastqsanger.gz | |||
| SRR2057691_1.fastq.gz | Fastqsanger.gz |
Items per page: 5 1 - 5 of 36 |
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Project description:Conversion of Human Gastric Epithelial Cells to Multipotent Endodermal Progenitors using Defined Small Molecules
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Project description:Forced expression of transcription factors for lineage reprogramming brings hope to cell-based therapy. However, its application is hampered by risks of potential genetic aberrations and tumorigenicity. Using defined small molecules in presence of gastric stromal cells as feeders, we reprogramed human gastric epithelia into induced multipotent endodermal progenitors (hiMEPs) at efficiency of up-to-6%. The hiMEPs expressed genes relative to endodermal lineages but not associating with pluripotency, and could be expanded clonogenically remaining undifferentiation. Upon induction, hiMEPs were able to give rise to multiple functional endodermal cell types, apart from ectodermal or mesodermal lineages. TGFβ inhibition and particular Wnt signaling activation were crucial in reprogramming process. Collective advantages of availability from donors without age restriction, capabilities in expansion and differentiation, and no concern of tumorigenesis, let hiMEPs have the considerable application potentials on cell therapies of diseases such as liver failure and diabetes, as well as personalized drug-screenings. Gastric epithelial cells (GECs) were isolated from human stomach. Human induced multipotent endodermal progenitors (hiMEPs) were reprogrammed from GECs by small molecules. The hiMEP-Heps were differentiated from hiMEPs under hepatic differentiation protocol. Fetal-Heps were isolated from aborted fetal liver. We used RNA sequencing and DNA methylation analysis to detail the global gene expression profile of GECs, hiMEPs, hiMEP-Heps and Fetal-Heps to delineate the difference of these cells.
2016-07-24 | E-GEOD-69705 | biostudies-arrayexpress
Project description:Forced expression of transcription factors for lineage reprogramming brings hope to cell-based therapy. However, its application is hampered by risks of potential genetic aberrations and tumorigenicity. Using defined small molecules in presence of gastric stromal cells as feeders, we reprogramed human gastric epithelia into induced multipotent endodermal progenitors (hiMEPs) with efficiency of up-to-6%. The hiMEPs expressed genes relative to endodermal lineages but not associating with pluripotency, and could be expanded clonogenically remaining as undifferentiated colonies. Upon induction, hiMEPs were able to give rise to multiple functional endodermal cell types, apart from ectodermal or mesodermal lineages. TGFβ inhibition and particular Wnt signaling activation were crucial in reprogramming process. Collective advantages of availability from donors without age restriction, capabilities in expansion and differentiation, and no concern of tumorigenesis, let hiMEPs have the considerable application potentials on cell therapies of diseases such as liver failure and diabetes, as well as personalized drug-screenings. Human gastric epithelial cells (hGECs) and gastric subepithelial myofibroblasts (GSEMFs) are isolated from human stomach, and human duodenum epithelial cells (hDECs) are isolated from human duodenum. Human Induced multipotent endodermal stem cells (hiMESCs) were reprogrammed from hGECs/hDECs by small molecules with the support of GSEMFs. Definitive endoderm cells (DEs) are derived from human embryonic stem cells by differentiation. Totally, 13 samples including two samples of hDECs, one sample of hGECs, two clones of D-hiMESCs, one clone of G-hiMESCs, four samples of DEs and three samples of GSCs were analyzed using microarray.
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Project description:Forced expression of transcription factors for lineage reprogramming brings hope to cell-based therapy. However, its application is hampered by risks of potential genetic aberrations and tumorigenicity. Using defined small molecules in presence of gastric stromal cells as feeders, we reprogramed human gastric epithelia into induced multipotent endodermal progenitors (hiMEPs) with efficiency of up-to-6%. The hiMEPs expressed genes relative to endodermal lineages but not associating with pluripotency, and could be expanded clonogenically remaining as undifferentiated colonies. Upon induction, hiMEPs were able to give rise to multiple functional endodermal cell types, apart from ectodermal or mesodermal lineages. TGFβ inhibition and particular Wnt signaling activation were crucial in reprogramming process. Collective advantages of availability from donors without age restriction, capabilities in expansion and differentiation, and no concern of tumorigenesis, let hiMEPs have the considerable application potentials on cell therapies of diseases such as liver failure and diabetes, as well as personalized drug-screenings. Gastric epithelial cells (GECs) were isolated from human stomach. Human induced multipotent endodermal progenitors (hiMEPs) were reprogrammed from GECs by small molecules. The hiMEP-Heps were differentiated from hiMEPs under hepatic differentiation protocol. Fetal-Heps were isolated from aborted fetal liver. Definitve endoderm (DE), primitive gut tube (PGT), and posterior foregut (PFG) were endodermal stem cells derived form human enbryonic stem cells (hESCs).We used RNA sequencing and DNA methylation analysis to detail the global gene expression profile of GECs, hiMEPs, hiMEP-Heps, Fetal-Heps, DE, PGT and PFG to delineate the difference of these cells.
2016-07-24 | E-GEOD-58557 | biostudies-arrayexpress
Project description:Endodermal stem/progenitor cells have diverse potential applications in research and regenerative medicine, so a readily available source could have widespread uses. Here we describe derivation of human induced endodermal progenitor cells (hiEndoPCs) from gastrointestinal epithelial cells using a cocktail of defined small molecules along with support from tissue-specific mesenchymal feeders. The hiEndoPCs show clonal expansion in culture and give rise to hepatocytes, pancreatic endocrine cells, and intestinal epithelial cells when treated with defined soluble molecules directing differentiation. The hiEndoPC-derived hepatocytes are able to rescue liver failure in Fah-/-Rag2-/- mice after transplantation, and, unlike hESCs, transplanted hiEndoPCs do not give rise to teratomas. Since human gastric epithelial cells are readily available from donors of many ages, this conversion strategy can generate clonally expandable cell populations with a variety of potential applications, including personalized drug screening and therapeutic strategies for liver failure and diabetes.
2016-07-24 | GSE71301 | GEO
Project description:Endodermal stem/progenitor cells have diverse potential applications in research and regenerative medicine, so a readily available source could have widespread uses. Here we describe derivation of human induced endodermal progenitor cells (hiEndoPCs) from gastrointestinal epithelial cells using a cocktail of defined small molecules along with support from tissue-specific mesenchymal feeders. The hiEndoPCs show clonal expansion in culture and give rise to hepatocytes, pancreatic endocrine cells, and intestinal epithelial cells when treated with defined soluble molecules directing differentiation. The hiEndoPC-derived hepatocytes are able to rescue liver failure in Fah-/-Rag2-/- mice after transplantation, and, unlike hESCs, transplanted hiEndoPCs do not give rise to teratomas. Since human gastric epithelial cells are readily available from donors of many ages, this conversion strategy can generate clonally expandable cell populations with a variety of potential applications, including personalized drug screening and therapeutic strategies for liver failure and diabetes.
2016-07-24 | GSE69705 | GEO
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Project description:Conversion of fibroblasts to functional Leydig like cells using defined small molecules
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