Role of AEBP1 in LX-2 cells
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ABSTRACT:
PROVIDER: PRJNA907304 | ENA |
REPOSITORIES: ENA
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Project description:To investigate the role of AEBP1 involved in hepatic stellate cells (HSCs), we inhibited AEBP1 expression by specific siRNA in human HSC line LX-2 cells. Total RNA was loaded for bulk RNA sequencing.
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Project description:AEBP1 has been identified as a transcriptional repressor playing a significant role in adipogenesis. Recently, we have found that AEBP1 is specifically upregulated in primary glioblastoma. We have used gene silencing to identify genes perturbed upon AEBP1 downregulation and ChIP-chip technique to identify its genomic targets of binding and regulation to understand the un-annotated/undescribed role of this transcription factor in gliomagenesis. Cells either mock silenced or silenced using siRNA against AEBP1 were harvested at 46hrs post transfection. Gene expression was profiled for control and AEBP1 silenced cells. comparison of AEBP1/Rabbit IgG/ Glial cells
2012-04-29 | E-GEOD-18892 | biostudies-arrayexpress
Project description:AEBP1 has been identified as a transcriptional repressor playing a significant role in adipogenesis. Recently, we have found that AEBP1 is specifically upregulated in primary glioblastoma. We have used gene silencing to identify genes perturbed upon AEBP1 downregulation and ChIP-chip technique to identify its genomic targets of binding and regulation to understand the un-annotated/undescribed role of this transcription factor in gliomagenesis.
2012-04-30 | GSE18892 | GEO
Project description:We identified adipocyte enhancer binding protein 1 (AEBP1) as a novel tumor endothelial marker in colorectal cancer (CRC). To identify target genes of AEBP1 in endothelial cells, we knocked down AEBP1 in human umbilical vein endothelial cells (HUVECs). We found that genes associated with angiogenesis including aquaporin 1 (AQP1) and periostin (POSTN) are downregulated by AEBP1 knockdown in HUVECs, suggesting that AEBP1 may promote tumor angiogenesis through regulating these genes.
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Project description:RNA-seq in LX-2Vector and LX-2FAP cells
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Project description:Glioblastoma (GBM) is the most lethal primary brain tumor in adults with a median survival of around 15 months. A potential treatment strategy involves targeting glioma stem-like cells (GSCs) that are able to initiate, maintain, and repopulate the tumor mass. Here, we identify ACT001, a parthenolide derivative, targeting GSCs through regulation of adipocyte enhancer binding protein 1 (AEBP1) signaling.GSCs exhibit high response to ACT001 in compared with normal human astrocytes. AEBP1 is a putative target of ACT001 by RNA-Seq analysis, which expression associates with prognosis of GBM patients. Knockdown of AEBP1 inhibits GSC proliferation whereas ectopic expression of AEBP1 increases GSC proliferation and xenograft tumor growth. AEBP1 overexpression also attenuates ATC001-inhibited GSC orthotopic xenograft tumor growth. Treatment with ACT001 or PI3K inhibitor or AEBP1 depletion decreases AKT phosphorylation and GSC proliferation. However, constitutive AKT activation rescues ACT001 treatment or AEBP1 knockdown-inhibited cell proliferation. Additionally, ACT001 blocks TGF-β-activated AEBP1/AKT signaling in GSCs. ACT001 exhibits antitumor activity either as a single agent or in combination with SHP099, which provides significant survival benefits for GSC xenograft tumor -bearing animals.
2020-09-11 | GSE157779 | GEO
Project description:We identified adipocyte enhancer binding protein 1 (AEBP1) as a novel cancer-associated fibroblast (CAF) marker in oral squamous cell carcinoma (OSCC). To study the function of AEBP1 in CAFs, we knocked down AEBP1 in CAFs isolated from surgically resected primary OSCCs. We found that genes associated with cell cycle were significantly affected by AEBP1 knockdown in CAFs.
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Project description:Transcriptome profile of LX-2 cells
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Project description:In this study, high-throughput RNA sequencing technology combined with bioinformatics analysis was used to compare the differentially expressed mRNA of TGF-β1-treated LX-2 cells with that of the control group in hopes of gaining a deeper understanding of the biological function and signaling pathway changes in the activation process of LX-2 cells, as well as to identify potential key genes regulating HSC activation.
2023-02-28 | GSE226239 | GEO
Project description:The management of preretinal fibrovascular membranes, a devastating complication of advanced diabetic retinopathy (DR), remains challenging. We characterized the molecular profile of cell populations in these fibrovascular membranes to identify new therapeutic targets. Preretinal fibrovascular membranes were surgically removed from patients and submitted for single cell RNA (scRNA) sequencing. Differential gene expression was implemented to define the transcriptomic profile of these cells and revealed the presence of endothelial, inflammatory, and stromal cells. Endothelial cell re-clustering identified subclusters characterized by non-canonical trascriptomic profile, and active angiogenesis. Deeper investigation of the inflammatory cells showed a subcluster of macrophages expressing pro-angiogenic cytokines, presumably contributing to angiogenesis. The stromal cell cluster included a pericyte-myofibroblast transdifferentiating subcluster, indicating the involvement of pericytes in fibrogenesis. Differentially expressed gene analysis showed that Adipocyte Enhancer-binding Protein 1, AEBP1, was significantly upregulated in myofibroblast clusters, suggesting that this molecule may have a potential role in transformation. Cell culture experiments with human retinal pericytes (HRP) in high glucose condition confirmed the molecular transformation of pericytes towards myofibroblastic lineage. siAEBP1 transfection in HRP reduced the expression of profibrotic markers in high glucose. In conclusion, AEBP1 signaling modulates pericyte-myofibroblast transformation, suggesting that targeting AEBP1 could prevent scar tissue formation in advanced DR.
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