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ZFP90 drives initiation of colitis-associated colorectal cancer using a microbiota-dependent strategy

ABSTRACT: ZFP90 drives initiation of colitis-associated colorectal cancer using a microbiota-dependent strategy

PROVIDER: PRJNA657171 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR12453478_1.fastq.gz	Fastqsanger.gz
	SRR12453478_2.fastq.gz	Fastqsanger.gz
	SRR12453479_1.fastq.gz	Fastqsanger.gz
	SRR12453479_2.fastq.gz	Fastqsanger.gz
	SRR12453480_1.fastq.gz	Fastqsanger.gz

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ZFP90 drives initiation of colitis-associated colorectal cancer using a microbiota-dependent strategy

Project description:Chronic inflammation and gut microbiota dysbiosis are risk factors for colorectal cancer. In clinical practice, inflammatory bowel disease (IBD) patients have a greatly increased risk of developing colitis associated colorectal cancer (CAC). However, the basis underlying the initiation of CAC remains to be explored. Systematic filtration through existing genome-wide association study (GWAS) and conditional deletion of Zfp90 in CAC mice model indicated that Zfp90 was a putative oncogene in CAC development. Strikingly, depletion of gut microbiota eliminated the tumorigenic effect of Zfp90 in CAC mice model. Moreover, fecal microbiota transplantation demonstrated Zfp90 promoted CAC depending on gut microbiota. Combining 16s rDNA sequencing in feces specimens from CAC mice model, we speculated that Prevotella copri-defined microbiota might mediate the oncogenic role of Zfp90 in the development of CAC. Mechanistic studies revealed Zfp90 accelerated CAC development through Tlr4-Pi3k-Akt-Nf-κb pathway. Our findings elucidated the crucial role of Zfp90-microbiota-Nf-κb axis in creating a tumor-promoting environment and suggested therapeutic targets for CAC prevention and treatment.

2022-08-14 | GSE156241 | GEO

ZFP90 drives the initiation of colitis-associated colorectal cancer via a microbiota-dependent strategy.

Project description:Chronic inflammation and gut microbiota dysbiosis are risk factors for colorectal cancer. In clinical practice, patients with inflammatory bowel disease (IBD) have a greatly increased risk of developing colitis-associated colorectal cancer (CAC). However, the underlying mechanism of the initiation of CAC remains unknown. Systematic analyses using an existing genome-wide association study (GWAS) and conditional deletion of Zfp90 (encoding zinc finger protein 90 homolog) in a CAC mouse model indicated that Zfp90 is a putative oncogene in CAC development.Strikingly, depletion of the gut microbiota eliminated the tumorigenic effect of Zfp90 in the CAC mouse model. Moreover, fecal microbiota transplantation demonstrated that Zfp90 promoted CAC dependent on the gut microbiota. Analysis of 16s rDNA sequences in fecal specimens from the CAC mouse model allowed us to speculate that a Prevotella copri-defined microbiota might mediate the oncogenic role of Zfp90 in the development of CAC. Mechanistic studies revealed Zfp90 accelerated CAC development through the TLR4-PI3K-AKT-NF-κB pathway. Our findings revealed the crucial role of the Zfp90-microbiota-NF-κB axis in creating a tumor-promoting environment and suggested therapeutic targets for CAC prevention and treatment.

| S-EPMC8115455 | biostudies-literature

Glycogen phase separation drives liver tumor initiation

Project description:Glycogen phase separation drives liver tumor initiation

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Gene expression profiling of colitis-associated and sporadic colorectal tumors in mice

2013-04-01 | GSE43338 | GEO

Relaxed initiation pausing of ribosomes drives oncogenic translation

Project description:Relaxed initiation pausing of ribosomes drives oncogenic translation

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Gene expression profiling of colitis-associated and sporadic colorectal tumors in mice

Project description:To uncover molecular mechanisms specifically involved in the pathogenesis of colitis-associated colon cancer (CAC), we studied tumorigenesis in experimental models of CAC and sporadic CRC that mimic characteristics of human CRC. Using comparative whole genome expression profiling, we observed differential expression of epiregulin (Ereg) in mouse models of colitis-associated, but not sporadic colorectal cancer. Similarly, highly significant upregulation of Ereg expression was found in cohorts of patients with colitis-associated cancer in inflammatory bowel disease but not in sporadic colorectal cancer. Furthermore, tumor-associated fibroblasts were identified as major source of Ereg in colitis-associated neoplasias. Functional studies showed that Ereg-deficient mice, although more prone to colitis, are strongly protected from colitis-associated tumors, and data from serial endoscopic studies revealed that Ereg promotes growth rather than initiation of tumors. 4 samples of individual distal colitis-associated tumors (CAC) from 4 mice, 2 samples of tumor-free distal colon epithelium with a pool of 5 mice per sample (CAC contr), 5 samples of individual Apcmin/+ tumors from the distal colorectum of 5 mice (sporCRC) and 3 samples of tumor-free distal colon epithelium (pool of 4 mice per sample) (sporCRC contr). Colitis-associated tumorigenesis was performed by intraperitoneal injection of Azoxymethane (10mg/kg) (Sigma) into C57BL/6J wildtype mice followed by 3 cycles of Dextran Sodium Sulfate (DSS) in drinking water. Each DSS-cycle was composed of DSS (2.5% (w/v) (MP Biomedicals) in drinking water for 7 days, followed by a recovery phase with regular drinking water for 14 days. Sporadic tumors were from C57BL/6J-ApcMin/+/J mice. All tumors were obtained from the from the lower 6th of the large intestine and they had the same size covering between Â¼ and up to Â½ of the colonic circumferenc as evaluated by mini-endoscopy.

2013-04-01 | E-GEOD-43338 | biostudies-arrayexpress

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NF1 mutation drives neuronal activity-dependent optic glioma initiation

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ZFP90 promotes colorectal carcinogenesis and stemness [RNA-seq]

Project description:To elucidate whether ZFP90 plays a role in colorectal cancer tumorigenesis, a RNA-seq analysis was performed to compare the gene expression profiles of ZFP90-KO and control Control cell.

2020-10-01 | GSE121621 | GEO

MUC1-c is a target for suppressing stemness in the progression of colitis and colorectal cancer

Project description:Colitis is associated with the development of colorectal cancer (CRC) by largely undefined mechanisms that are critical for understanding the link between inflammation and cancer. Intestinal stem cells (ISCs) marked by LGR5 expression are of importance in both the inflammatory response to colitis and progression to colitis-associated colon cancer (CACC). Here, we report in human MUC1-transgenic mouse models of CACC that targeting the MUC1-C oncogenic protein, which is upregulated in inflammation, suppresses the (i) Lgr5+ ISC population, (ii) induction of Myc and core pluripotency stem cell factors, and (iii) severity and progression of colitis to dysplasia and cancer. By extension to human colon cancer cells, we demonstrate that MUC1-C drives MYC, forms a complex with MYC on the LGR5 promoter and activates LGR5 expression. We also show in CRC cells that MUC1-C induces the cancer stem cell (CSC) markers (BMI1, ALDH1, FOXA1, LIN28B) and the OCT4, SOX2 and NANOG pluripotency factors. Consistent with conferring the CSC state, targeting MUC1-C suppresses the capacity of CRC cells to promote wound healing, invasion, self-renewal and tumorigenicity. In analysis of human tissues, MUC1 expression associates with activation of inflammatory pathways, development of colitis and aggressiveness of CRCs. These results collectively indicate that MUC1-C is of importance for integrating stemness and pluripotency in colitis and CRC. Of clinical relevance, the findings further indicate that MUC1-C represents a previously unrecognized target that is druggable for treating progression of colitis and CRC.

2020-10-12 | GSE144319 | GEO

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