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Transcription factor KLF2 regulates cell fate decision of stem cells in infantile hemangioma

ABSTRACT: Transcription factor KLF2 regulates cell fate decision of stem cells in infantile hemangioma

PROVIDER: PRJNA998877 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR25431630_1.fastq.gz	Fastqsanger.gz
	SRR25431630_2.fastq.gz	Fastqsanger.gz
	SRR25431631_1.fastq.gz	Fastqsanger.gz
	SRR25431631_2.fastq.gz	Fastqsanger.gz
	SRR25431632_1.fastq.gz	Fastqsanger.gz

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Transcription factor KLF2 regulates cell fate decision of stem cells in infantile hemangioma

Project description:As the most common vascular tumor during infancy, infantile hemangioma (IH) is clinically featured by a rapid proliferation phase of disorganized blood vessels and a subsequent spontaneous involution phase. Infantile hemangioma arises from a unique type of multipotent stem cells called hemangioma stem cells (HemSCs), which could differentiate into endothelial cells, pericytes and adipocytes in IH. However, the underlying mechanisms that regulate the cell fate determination of HemSCs are not well elucidated. Here, we identified KLF2 as a candidate transcription factor involved in the control of HemSCs differentiation. KLF2 was expressed in endothelial cells in proliferating IH and its expression diminished in adipocytes in involuting IH. KLF2 regualtes the proliferation, apopotosis and cell cycle progression in HemSCs. Moreover, KLF2 is a critical regulator in HemSCs that control their differentiation direction between endothelial cells and adipocytes. Knockdown of KLF2 inhibited the formation of blood vessels in vivo while accelerated the progress of adipogenesis. RNA-seq analysis suggested an induction of pro-adipogenic transcriptome in HemSCs upon KLF2 knockdown. Our data showed that KLF2 exhibited pleiotropic effects in regulating the biological behaviours of HemSCs, and was involved in the progression and involution of IH via determining the cell fate of HemSCs.

2024-08-01 | GSE239352 | GEO

microRNA analysis of infantile hemangioma, lymphatic malformation, and skin

Project description:Surgical specimens from children with infantile hemangioma or lymphatic malformations, as well as healthy appearing adjacent skin, were analyzed by microarray analysis of microRNA expression. Unsupervised hierarchical clustering was performed to identify microRNAs that were differentially expressed in IH compared to lymphatic malformations and skin 19 patients who underwent surgical excision of either a lymphatic malformation or infantile hemangioma were used in the study. 5 patients have multiple samples on the array and these duplicates are from different regions of the excised tissue or separate lesions as indicated. Tissue was snap frozen in liquid nitrogen and used for RNA extraction

2015-05-22 | E-GEOD-69136 | biostudies-arrayexpress

OTUB1 catalytic-independently deubiquitinates TGFBI and mediates the angiogenesis in infantile hemangioma by regulating glycolysis

Project description:To investigate the role of Ubiquitination in the progression of infantile hemangioma. And to investigate the role of OTUB1 in infantile hemangioma

2023-03-14 | GSE225591 | GEO

Genome-wide transcriptome comparison between primary cultures of human dermal microvascular endothelial cells and infantile hemangioma endothelial cells

Project description:Whole transcriptome comparisons of proliferating pure cultures of neonatal dermal microvacsular endothelial cells to infantile hemangioma endothelial cells. The total RNA was obtained from human dermal microvascular endothelial cells and infantile hemangioma endothelial cells. Illumina microarrays were performed to determine the whole genome expression differences between the cell lines.

2013-06-01 | E-GEOD-43742 | biostudies-arrayexpress

lncRNA expression profile identified by microarray in infantile hemangioma

Project description:Infantile hemangioma (IH) was one of the most common vascular tumors during childhood. Long non coding RNAs (lncRNAs) play great roles in angiogenesis; the involvement of lncRNAs in hemangioma remains unknown. We aim to investigate the differential expression of lncRNA between hemangioma and the adjacent normal tissues, with a view to studying the biological function of lncRNAs and their involvement in the pathogenesis of hemangioma. The differential lncRNAs expression profiles of hemangioma were established by lncRNA microarray. Bioinformatic analyses were applied for further study of these differentially expressed lncRNAs. A total of 2116 differentially expressed lncRNAs were identified, among these lncRNAs, 1259 were up-regulated and 857 were down-regulated more than two-fold.

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CD146+ mural cells from infantile hemangioma

Project description:CD146+ mural cells from infantile hemangioma

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Exploring gene expression signatures of itraconazole for infantile hemangioma endothelial cell in vitro

Project description:In order to understand the mechanisms underlying the effects of itraconazole in infantile hemangioma endothelial cells, we further explored the potential targeting genes of itraconazole in infantile hemangioma endothelial cells in vitro by using a genome-wide gene expression array. In total 172 mRNAs were up-regulated (fold change > 2) and 819 mRNAs were down-regulated (fold change > 2) upon itraconazole treatment in infantile hemangioma endothelial cells. The top signaling pathway closely related to differentially expressed genes upon itraconazole treatment is the cytokine and cytokine receptor pathway. Within this pathway, the mRNA expression of PDGF-D, an important growth factor belonging to the PDGF family, was the most significantly reduced (30 folds) among 991 differentially expressed genes after itraconazole treatment. qRT-PCR and western blotting confirmed the inhibitory effects on PDGF-D levels.

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microRNA analysis of infantile hemangioma, lymphatic malformation, and skin

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Genome-wide transcriptome comparison between primary cultures of human dermal microvascular endothelial cells and infantile hemangioma endothelial cells

Project description:Whole transcriptome comparisons of proliferating pure cultures of neonatal dermal microvacsular endothelial cells to infantile hemangioma endothelial cells.

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Project description:Our team found that 15,16-dihydrotanshinone I (DHTS) was significantly effective at inhibiting infantile hemangioma proliferation in vitro and in vivo. To investigate the underlying mechanism by which DHTS inhibits hemangioma, we compared the transcriptomes of control and DHTS-treated hemangioma cells.

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