Homo sapiens
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA153057 | ENA |
REPOSITORIES: ENA
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Project description:Small molecules increase direct neural conversion of human fibroblasts
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Project description:Recent studies have shown that defined hepatic factors could lead to the direct conversion of fibroblasts into induced hepatocytes (iHeps). However, reported conversion efficiencies are vey low and the underlying mechanism of the hepatic lineage conversion is largely unknown. Here, we report that direct conversion into iHeps is a stepwise transition involving erasure of somatic memory, mesenchymal-to-epithelial transition, and induction of hepatic cell fate in a sequential manner. Throughout screening for additional factors that could potentially enhance the kinetics of the MET and hepatic programs, we have found that c-Myc and Klf4 (CK) dramatically accelerate the conversion kinetics, resulting in remarkably improved generation of iHeps (>87 fold). Furthermore, we identified small molecules that could replace the roles of CK and thus led to the highly efficient generation of iHeps without CK. Finally, we show that a single factor (Hnf1α) supported by small molecules is sufficient to robustly induce transprogramming of fibroblasts into functional hepatocyte-like cells with high yield. This novel approach might help to fully elucidate the direct conversion process and also facilitate the translation of iHep into clinic.
2013-12-03 | GSE52566 | GEO
Project description:Direct Conversion of Human Fibroblasts into Neuronal Restricted Progenitors
| PRJNA223534 | ENA
Project description:Forced expression of pro-neural transcription factors was shown to mediate direct neuronal conversion of human fibroblasts. Since neurons are postmitotic, the conversion efficiency represents an important parameter. Here we present a minimalist approach combining two factor neuronal programming with small molecule-based inhibition of GSK3ß and SMAD signaling, which gives rise to functional neuron-like cells (iNs) of various neurotransmitter phenotypes with an overall yield of up to >200% and a final neuronal purity of up to >80%. Timcourse of reprogramming of fibroblasts towards an neuronal phenotype in two independent fibroblast lines
2012-04-07 | E-GEOD-36246 | biostudies-arrayexpress
Project description:Chemical reprogramming offers a fundamentally innovative approach for generating human pluripotent stem (hCiPS) cells using small molecules. Our recent studies showed that this approach was highly efficient in reprogramming human fibroblasts to hCiPS cells. In this study, we established a robust method that successfully generated hCiPS cells from both cord blood and adult peripheral blood cells. This method achieved efficient reprogramming with both fresh and cryopreserved blood cells.
2025-07-30 | GSE298209 | GEO
Project description:Chemical reprogramming offers a fundamentally innovative approach for generating human pluripotent stem (hCiPS) cells using small molecules. Our recent studies showed that this approach was highly efficient in reprogramming human fibroblasts to hCiPS cells. In this study, we established a robust method that successfully generated hCiPS cells from both cord blood and adult peripheral blood cells. This method achieved efficient reprogramming with both fresh and cryopreserved blood cells.
2025-07-30 | GSE298204 | GEO
Project description:Chemical reprogramming offers a fundamentally innovative approach for generating human pluripotent stem (hCiPS) cells using small molecules. Our recent studies showed that this approach was highly efficient in reprogramming human fibroblasts to hCiPS cells. In this study, we established a robust method that successfully generated hCiPS cells from both cord blood and adult peripheral blood cells. This method achieved efficient reprogramming with both fresh and cryopreserved blood cells.
2025-07-30 | GSE298212 | GEO
Project description:Chemical reprogramming offers a fundamentally innovative approach for generating human pluripotent stem (hCiPS) cells using small molecules. Our recent studies showed that this approach was highly efficient in reprogramming human fibroblasts to hCiPS cells. In this study, we established a robust method that successfully generated hCiPS cells from both cord blood and adult peripheral blood cells. This method achieved efficient reprogramming with both fresh and cryopreserved blood cells.
2025-07-30 | GSE301149 | GEO