Homo sapiens
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA357280 | ENA |
REPOSITORIES: ENA
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Project description:Analysis of change in transcriptosome after KLF4, KLF9, KLF11, KLF16 and KLF17 knockdown in hADSC. Analysis of effects of siRNA transfection (siCtrl, siKLF4, siKLF9, siKLF11, siKLF16 and siKLF17) in hADSC at gene expression level.The hypothesis tested in the present study was that different KLF members have distinctive roles in these cells.
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Project description:Analysis of change in transcriptosome after KLF2 and KLF8 knockdown in hADSC. Analysis of effects of siRNA transfection (siCtrl, siKLF2 or siKLF8) in hADSC at gene expression level.The hypothesis tested in the present study was that different KLF members have distinctive roles in these cells.
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Project description:KLF family members KLF4 and KLF7 regulate corneal epithelium [siKLF4_undifferentiated]
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Project description:Kruppel-like factor-9 (KLF9), a member of the large KLF transcription factor family, has emerged as a regulator of oncogenesis, cell differentiation and neural development; however, the molecular basis for KLF9M-bM-^@M-^Ys diverse contextual functions remains unclear. This study focuses on the functions of KLF9 in human glioblastoma stem-like cells. We establish for the first time a genome-wide map of KLF9-regulated targets in human glioblastoma stem-like cells, and show that KLF9 functions as a transcriptional repressor and thereby regulates multiple signaling pathways involved in oncogenesis and stem cell regulation. A detailed analysis of one such pathway, integrin signaling, shows that the capacity of KLF9 to inhibit glioblastoma cell stemness and tumorigenicity requires ITGA6 repression. These findings enhance our understanding of the transcriptional networks underlying cancer cell stemness and differentiation, and identify KLF9-regulated molecular targets applicable to cancer therapeutics. Two cell lines were used as biological replicates. Each cell line has one KLF9 induction sample and one control sample.
2014-10-10 | E-GEOD-62212 | biostudies-arrayexpress
Project description:This experiment is part of the FunGenES project (FunGenES - Functional Genomics in Embryonic Stem Cells partially funded by the 6th Framework Programme of the European Union, http://www.fungenes.org). The experiment was conducted at Inserm U846, Bron, France. Aim: Kru_ppel-like factors (Klf) 4 and 5 are two closely related members of the Klf family, known to play key roles in somatic cell reprogramming and in self-renewal of pluripotent stem cells. In this study, we focused on the functional divergence between Klf4 and Klf5. We showed that Klf4 and Klf5 regulate the expression of distinct subsets of genes. Klf4 negatively regulates the expression of endodermal markers, some of which encode transcription factors involved in the commitment of pluripotent system cells to endoderm differentiation. In contrast, Klf5 negatively regulates the expression of mesodermal markers, some of which controls commitment to the mesoderm lineage. Functional studies with reporter cell lines indicate that knockdown of Klf4 enhances differentiation toward visceral endoderm, mesendoderm, and definitive endoderm, whereas knockdown of Klf5 specifically enhances differentiation toward mesoderm. Thus, additive functions of Klf4 and Klf5 secure pluripotent stem cell propagation by inhibiting endoderm and mesoderm differentiation.
2014-04-28 | E-MTAB-1838 | biostudies-arrayexpress
Project description:This experiment is a follow-up experiment of the FunGenES project (FunGenES - Functional Genomics in Embryonic Stem Cells partially funded by the 6th Framework Programme of the European Union, http://www.fungenes.org). The experiment was conducted at Inserm U846, Bron, France. Aim: Kru_ppel-like factors (Klf) 4 and 5 are two closely related members of the Klf family, known to play key roles in somatic cell reprogramming and in self-renewal of pluripotent stem cells. In this study, we focused on the functional divergence between Klf4 and Klf5. We showed that Klf4 and Klf5 regulate the expression of distinct subsets of genes. Klf4 negatively regulates the expression of endodermal markers, some of which encode transcription factors involved in the commitment of pluripotent system cells to endoderm differentiation. In contrast, Klf5 negatively regulates the expression of mesodermal markers, some of which controls commitment to the mesoderm lineage. Functional studies with reporter cell lines indicate that knockdown of Klf4 enhances differentiation toward visceral endoderm, mesendoderm, and definitive endoderm, whereas knockdown of Klf5 specifically enhances differentiation toward mesoderm. Thus, additive functions of Klf4 and Klf5 secure pluripotent stem cell propagation by inhibiting endoderm and mesoderm differentiation.
2014-04-28 | E-MTAB-1839 | biostudies-arrayexpress