Ontology highlight
ABSTRACT:
PROVIDER: PRJNA637758 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR11940395_1.fastq.gz | Fastqsanger.gz | |||
| SRR11940395_2.fastq.gz | Fastqsanger.gz | |||
| SRR11940396_1.fastq.gz | Fastqsanger.gz | |||
| SRR11940396_2.fastq.gz | Fastqsanger.gz | |||
| SRR11940397_1.fastq.gz | Fastqsanger.gz |
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Project description:We have recently demonstrated that human paediatric mesenchymal stem cells can be reprogrammed toward a Ewing’s sarcoma family tumor (ESFT) cancer stem cell (CSC) phenotype by mechanisms that implicate microRNAs (miRNAs). Here, we show that the miRNA profile of ESFT CSC is shared by embryonic stem cells and CSC from divergent tumor types. We also provide evidence that the miRNA profile of ESFT CSC is the result of reversible disruption of TARBP2-dependent miRNA maturation. Restoration of TARBP2 activity and systemic delivery of synthetic forms of either of two of its targets, miRNA-143 or miRNA-145, inhibited ESFT CSC clonogenicity and tumor growth in vivo. Our observations suggest that CSC self-renewal and tumor initiation may depend on deregulation of TARBP2-dependent miRNA expression.
2012-06-20 | GSE31145 | GEO
Project description:We have recently demonstrated that human paediatric mesenchymal stem cells can be reprogrammed toward a Ewing’s sarcoma family tumor (ESFT) cancer stem cell (CSC) phenotype by mechanisms that implicate microRNAs (miRNAs). Here, we show that the miRNA profile of ESFT CSC is shared by embryonic stem cells and CSC from divergent tumor types. We also provide evidence that the miRNA profile of ESFT CSC is the result of reversible disruption of TARBP2-dependent miRNA maturation. Restoration of TARBP2 activity and systemic delivery of synthetic forms of either of two of its targets, miRNA-143 or miRNA-145, inhibited ESFT CSC clonogenicity and tumor growth in vivo. Our observations suggest that CSC self-renewal and tumor initiation may depend on deregulation of TARBP2-dependent miRNA expression.
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Project description:We have recently demonstrated that human paediatric mesenchymal stem cells can be reprogrammed toward a Ewing’s sarcoma family tumor (ESFT) cancer stem cell (CSC) phenotype by mechanisms that implicate microRNAs (miRNAs). Here, we show that the miRNA profile of ESFT CSC is shared by embryonic stem cells and CSC from divergent tumor types. We also provide evidence that the miRNA profile of ESFT CSC is the result of reversible disruption of TARBP2-dependent miRNA maturation. Restoration of TARBP2 activity and systemic delivery of synthetic forms of either of two of its targets, miRNA-143 or miRNA-145, inhibited ESFT CSC clonogenicity and tumor growth in vivo. Our observations suggest that CSC self-renewal and tumor initiation may depend on deregulation of TARBP2-dependent miRNA expression.
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Project description:We have recently demonstrated that human paediatric mesenchymal stem cells can be reprogrammed toward a Ewing’s sarcoma family tumor (ESFT) cancer stem cell (CSC) phenotype by mechanisms that implicate microRNAs (miRNAs). Here, we show that the miRNA profile of ESFT CSC is shared by embryonic stem cells and CSC from divergent tumor types. We also provide evidence that the miRNA profile of ESFT CSC is the result of reversible disruption of TARBP2-dependent miRNA maturation. Restoration of TARBP2 activity and systemic delivery of synthetic forms of either of two of its targets, miRNA-143 or miRNA-145, inhibited ESFT CSC clonogenicity and tumor growth in vivo. Our observations suggest that CSC self-renewal and tumor initiation may depend on deregulation of TARBP2-dependent miRNA expression. 3 Ewing sarcoma cell lines: comparison between TARBP2 silencing by shRNA and control.
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Project description:We performed small RNA sequencing in breast cancer cells treated with siRNA for Control, DCGR8, DROSHA, TARBP2, DICER
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