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Long Non-Coding RNA LEENE Promotes Angiogenesis and Ischemic Recovery (ChIP-Seq)

ABSTRACT: The response of endothelial cells to diabetic-simulating stimuli is poorly understood. To evaluate the changes of enhancer activation status in HUVEC, genome-wide enrichment of H3K27ac (marker of enhancer and open chromatin) was examined in HUVECs treated with combined high glucose and TNF-alpha. HUVECs incubated in 25 mM mannitol were used as osmolarity control.

ORGANISM(S): Homo sapiens

PROVIDER: GSE205277 | GEO | 2023/02/08

REPOSITORIES: GEO

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Long Non-Coding RNA LEENE Promotes Angiogenesis and Ischemic Recovery (RNA-Seq I)

Project description:Vascular endothelial cells play a pivotal role in whole-body homeostasis. To test the function of human long non-coding RNA LEENE in Human umbilical vein endothelial cells (HUVEC), we inhibited LEENE by using a previously validated locked nucleic acid (LNA) GapmeR under pulsatile flow which mimics the physiological state and is characterized by elevated LEENE levels. PolyA-enriched RNA-seq was performed to examine the LEENE-regulated gene expression.

2023-02-08 | GSE205279 | GEO

Long Non-Coding RNA LEENE Promotes Angiogenesis and Ischemic Recovery (ChIRP-Seq)

Project description:Chromatin-associated long non-coding RNAs (ca-lncRNAs) play important roles in transcriptional regulation. To comprehensively investigate the chromatin interactome of an enhancer-derived ca-lncRNA, LEENE, we performed the Chromatin isolation by RNA purification (ChIRP) to pull down LEENE-associated DNAs, which were subjected to DNA-seq. Specifically, we used 10 previously validated tiling nucleotides targeting different domains based on the predicted secondary structure. LEENE was overexpressed by adenovirus to enhance the ChIRP-seq signals.

2023-02-08 | GSE205278 | GEO

Long Non-Coding RNA LEENE Promotes Angiogenesis and Ischemic Recovery

Project description:This SuperSeries is composed of the SubSeries listed below.

2023-02-08 | GSE205287 | GEO

Long Non-Coding RNA LEENE Promotes Angiogenesis and Ischemic Recovery (scRNA-Seq)

Project description:To test the function of LEENE in leene-KO mice and delineate the contribution of LEENE RNA in the ischemic response, we supplemented the leene-KO mice with human LEENE RNA and performed single cell RNA-seq. The transcriptome of the EC-enriched fractions in the ischemic muscles was profiled at the single cell level.

2023-02-08 | GSE205284 | GEO

Long Non-Coding RNA LEENE Promotes Angiogenesis and Ischemic Recovery (RNA-Seq II)

Project description:Vascular endothelial cells play a pivotal role in whole-body homeostasis. To test the function of LEENE in leene-KO mice and delineate the contribution of LEENE RNA in the ischemic response, we supplemented the leene-KO mice with human LEENE RNA and profiled the transcriptomic changes in the EC-enriched fractions of the ischemic muscles.

2023-02-08 | GSE205282 | GEO

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Project description:The angio-suppressive effect of 20(R)-ginsenoside Rg3 (Rg3-R) has been previously demonstrated, and microRNAs (miRNAs) are a vital group of small non-coding RNAs that function as post-transcriptional modulator of gene expression. Thus, using human umbilical vein endothelial cells (HUVEC) as model, we compared the microRNA (miRNA) expression profile of vascular endothelial growth factor (VEGF)-induced cells with the profile of the cell co-treated with VEGF and Rg3-R. Among the screened 553 human miRNAs, 6 up-regulated (miR-520h, miR-487b, miR-197, miR-524*, miR-342 and miR-219) and 3 down-regulated (miR-23a, miR-489 and miR-377) miRNAs were detected in Rg3-R treated vascular endothelial growth factor (VEGF)-induced HUVECs compared to VEGF alone. Real time RT-PCR was subsequently performed to verify the miRNA microarray result. Two condition experiment: VEGF-induced HUVEC and VEGF-induced HUVEC treated with Rg3-R. Three independent microarray experiments, with triplicate per microarray.

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angiogenesis

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Project description:HUVECs stimulated with HG+oxLDL or Mannitol+nLDL were subjected to the biotin-switch assay to enrich the S-nitrosylated proteins, the S-nitrosylated proteins were resolved by SDS-PAGE and gels were silver stained. Mass spectrometry was conducted to determine proteins with S-nitrosylation.

2021-06-03 | PXD025295 | Pride

Identification of lncRNA CALA-dependent protein interaction partners of G3BP1 in the cytoplasm

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2022-07-04 | PXD033517 | Pride

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