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Isoginkgetin induces autophagic cell death in hepatocellular carcinoma [ChIP-Seq]

ABSTRACT: Purpose: Our previous studies have identified isoginkgetin as an inducer of autophagic cell death in hepatocellular carcinoma. We set out to analyze how isoginkgetin regulates the genome-wide enhancer activity in HepG2 cells. Methods: ChIP-seq for H3K27ac was performed in HepG2 followed by treatment with 20 μM isoginkgetin for 24 h. Conclusions: Isoginkgetin treatment reduces the expression of glucose transporters and inhibts SLC2A1 enhancer activity in HepG2 cells.

ORGANISM(S): Homo sapiens

PROVIDER: GSE188534 | GEO | 2023/03/22

REPOSITORIES: GEO

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Isoginkgetin induces autophagic cell death in hepatocellular carcinoma [ChIP-seq 2]

Project description:Purpose: Our previous studies have identified isoginkgetin as an inducer of autophagic cell death in hepatocellular carcinoma. We set out to analyze how isoginkgetin regulates the genome-wide enhancer activity in HepG2 cells. Methods: ChIP-seqs for H3K4me, H4K8ac, H3K27me3 and H3K9ac were performed in HepG2 followed by treatment with 20 μM isoginkgetin for 24 h. Conclusions: Isoginkgetin treatment reduces the expression of glucose transporters and inhibts SLC2A1 enhancer activity in HepG2 cells.

2023-03-22 | GSE202612 | GEO

Isoginkgetin induces autophagic cell death in hepatocellular carcinoma [RNA-Seq]

Project description:Purpose: Our previous studies have identified Isoginkgetin as an inducer of autophagic cell death in hepatocellular carcinoma. We set out to analyze how isoginkgetin regulates gene expression in HepG2 cells. Methods: RNA-seq was performed with two repetitions in HepG2 followed by treatment with DMSO and 20 μM Isoginkgetin for 24 h. Conclusions: Isoginkgetin treatment reduces the expression of glucose transporters in HepG2 cells.

2023-03-22 | GSE188533 | GEO

A total RNA-Seq screen reveals that the splicing inhibitor Isoginkgetin blocks transcription elongation

Project description:Pharmacological perturbation is a powerful tool for understanding gene expression, but identification of the specific steps of this multi-step process targeted by small molecules remains challenging. Here we apply total RNA-Seq to distinguish specific pharmacological effects on transcription and pre-mRNA processing, revealing unexpectedly that the splicing inhibitor isoginkgetin blocks transcription elongation.An RNA-Seq screen reveals that the compounds TBBz and CYT387 mimic the transcriptional effects of isoginkgetin and are inhibitors of CSNK2A2, suggesting that isoginkgetin blocks transcription elongation via inhibition of CSNK2A2. Our results reveal RNA-Seq screening as a tool for disentangling complex pharmacological effects on gene expression.

2016-09-17 | GSE86857 | GEO

Isoginkgetin induces autophagic cell death in hepatocellular carcinoma

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

2023-03-22 | GSE188535 | GEO

Microarray analysis of isoginkgetin-treated HCT116 and HCT116p53-/- cells

Project description:Microarray analysis of isoginkgetin-treated HCT116 and HCT116p53-/- cells

| PRJNA748989 | ENA

Differentially expressed genes in human hippocampus and Tera-1 cell line versus HepG2, A549, NT2/D1 and NGP127 cells.

Project description:We discovered a new tissue specific enhancer originated from the human spesific endogenous retrovirus (hsERV). This enhancer displayed its activity in hippocampus and Tera-1 cell line as opposed to HepG2, A549, NT2/D1 and NGP127 cells. The aim of this study was to find transcription factors responsible for the hsERV enhancer activity. So we attempted to identify a fraction of transcription factor genes that were upregulated in enhancer-positive cells. Total RNA obtained from human hippocampus and Tera-1, HepG2, A549, NT2/D1 and NGP127 cell lines.

2013-01-26 | E-GEOD-43773 | biostudies-arrayexpress

CCDC50 suppresses NLRP3 inflammasome activity by mediating the autophagic degradation of NLRP3

Project description:CCDC50 suppresses NLRP3 inflammasome activity by mediating the autophagic degradation of NLRP3

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Microarray analysis of isoginkgetin-treated HCT116 and HCT116p53-/- cells

Project description:Isoginkgetin (IGG) is a small molecule inhibitor of the spliceosome although the direct target remains elusive. Widespread failure to accurately remove introns poses a risk to cells and organisms through the potential production of aberrant mRNAs and proteins. The cellular responses to accumulation of these intermediates and/or the direct interference of spliceosome assembly itself may constitute a splicing stress but this is not well defined yet. We used oligonucleotide microarrays to assess genome wide changes in gene expression associated with exposure to IGG in HCT116 cells and an isogenic subline lacking the p53 tumor suppressor that responds to a variety of transcriptional stresses (Oncogene 18 (3), 583-592). Two of the 3 enriched pathways identified using PANTHER analysis of differentially expressed transcripts are linked to the ATF4 transcription factor and these effects are p53-independent.

2021-07-23 | GSE180623 | GEO

Miz1 is required to maintain autophagic flux

Project description:Miz1 is required to maintain autophagic flux

| PRJNA210788 | ENA

Liver gene expression analysis of male ApoE-/- mice treated with Isoginkgetin

Project description:Isoginkgetin (ISOGK) is a biflavone derived from Ginkgo Biloba that inhibits RNA splicing. ISOGK has been reported to have various protective effects, including anti-inflammatory, antioxidant, and anti-tumorigenic properties. The study aimed to investigate the impact of ISOGK treatment on atherosclerosis induced by a Western diet in ApoE-/- mice. After seven weeks of a high-fat diet, ISOGK was administered intraperitoneally for eight weeks. At the endpoint, mice were euthanized for sample collection, and a series of indicators were tested. The study results indicate that the ISOGK treatment group significantly reduced the area of aortic plaques, aortic sinus plaques, and the necrotic core area. Additionally, ISOGK significantly lowered the levels of total cholesterol in the serum. These findings suggest that ISOGK is effective in treating atherosclerosis and reducing blood lipid levels.

2024-05-15 | GSE261858 | GEO

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