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Engineered MED12 mutations drive uterine fibroid-like transcriptional and metabolic programs by altering the 3D genome compartmentalization

ABSTRACT: Engineered MED12 mutations drive uterine fibroid-like transcriptional and metabolic programs by altering the 3D genome compartmentalization

PROVIDER: PRJNA938368 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR23609934_1.fastq.gz	Fastqsanger.gz
	SRR23609934_2.fastq.gz	Fastqsanger.gz
	SRR23609935_1.fastq.gz	Fastqsanger.gz
	SRR23609935_2.fastq.gz	Fastqsanger.gz
	SRR23609936_1.fastq.gz	Fastqsanger.gz

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Engineered MED12 mutations drive uterine fibroid-like transcriptional and metabolic programs by altering the 3D genome compartmentalization [MED12_G44N_spheroid_RNA_seq]

Project description:Engineered MED12 mutations drive uterine fibroid-like transcriptional and metabolic programs by altering the 3D genome compartmentalization [MED12_G44N_spheroid_RNA_seq]

| PRJNA938371 | ENA

Engineered MED12 mutations drive uterine fibroid-like transcriptional and metabolic programs by altering the 3D genome compartmentalization [MED12_G44N_2D_RNA_seq]

Project description:Engineered MED12 mutations drive uterine fibroid-like transcriptional and metabolic programs by altering the 3D genome compartmentalization [MED12_G44N_2D_RNA_seq]

| PRJNA938373 | ENA

Engineered MED12 mutations drive uterine fibroid-like transcriptional and metabolic programs by altering the 3D genome compartmentalization [CUT&Tag]

Project description:Engineered MED12 mutations drive uterine fibroid-like transcriptional and metabolic programs by altering the 3D genome compartmentalization [CUT&Tag]

| PRJNA938370 | ENA

Engineered MED12 mutations drive uterine fibroid-like transcriptional and metabolic programs by altering the 3D genome compartmentalization [Hi-C]

Project description:Engineered MED12 mutations drive uterine fibroid-like transcriptional and metabolic programs by altering the 3D genome compartmentalization [Hi-C]

| PRJNA938372 | ENA

Engineered MED12 mutations drive uterine fibroid-like transcriptional and metabolic programs by altering the 3D genome compartmentalization [MED12_G44N_spheroid_RNA_seq]

Project description:We employed CRISPR knock-in with a sensitive PCR-based screening strategy to precisely engineer cells with mutant MED12 Gly44. Critically, the engineered myometrial SMC cells recapitulate several UF-like cellular, transcriptional and metabolic alterations, including enhanced proliferation rates in 3D spheres and altered Tryptophan/kynurenine. metabolism

2023-06-16 | GSE226016 | GEO

Engineered MED12 mutations drive uterine fibroid-like transcriptional and metabolic programs by altering the 3D genome compartmentalization [MED12_G44N_2D_RNA_seq]

2023-06-16 | GSE226014 | GEO

Engineered MED12 mutations drive uterine fibroid-like transcriptional and metabolic programs by altering the 3D genome compartmentalization [Hi-C]

2023-06-16 | GSE226015 | GEO

Engineered MED12 mutations drive uterine fibroid-like transcriptional and metabolic programs by altering the 3D genome compartmentalization [CUT&Tag]

2023-06-16 | GSE226013 | GEO

Engineered MED12 mutations drive uterine fibroid-like transcriptional and metabolic programs by altering the 3D genome compartmentalization.

Project description:Uterine fibroid (UF) tumors originate from a mutated smooth muscle cell (SMC). Nearly 70% of these tumors are driven by hotspot recurrent somatic mutations in the MED12 gene; however, there are no tractable genetic models to study the biology of UF tumors because, under culture conditions, the non-mutant fibroblasts outgrow the mutant SMC cells, resulting in the conversion of the population to WT phenotype. The lack of faithful cellular models hampered our ability to delineate the molecular pathways downstream of MED12 mutations and identify therapeutics that may selectively target the mutant cells. To overcome this challenge, we employed CRISPR knock-in with a sensitive PCR-based screening strategy to precisely engineer cells with mutant MED12 Gly44, which constitutes 50% of MED12 exon two mutations. Critically, the engineered myometrial SMC cells recapitulate several UF-like cellular, transcriptional and metabolic alterations, including enhanced proliferation rates in 3D spheres and altered Tryptophan/kynurenine metabolism. Our transcriptomic analysis supported by DNA synthesis tracking reveals that MED12 mutant cells, like UF tumors, have heightened expression of DNA repair genes but reduced DNA synthesis rates. Consequently, these cells accumulate significantly higher rates of DNA damage and are selectively more sensitive to common DNA-damaging chemotherapy, indicating mutation-specific and therapeutically relevant vulnerabilities. Our high-resolution 3D chromatin interaction analysis demonstrates that the engineered MED12 mutations drive aberrant genomic activity due to a genome-wide chromatin compartmentalization switch. These findings indicate that the engineered cellular model faithfully models key features of UF tumors and provides a novel platform for the broader scientific community to characterize genomics of recurrent MED12 mutations and discover potential therapeutic targets.

| S-EPMC9934745 | biostudies-literature

Next-Generation Sequencing Facilitates Quantitative Analysis of Control and BRD9 Inhibitors-treated Uterine Fibroid Cell Transcriptome

Project description:We report that BRD9 inhibition altered multiple biological pathways, including cell cycle-related pathways in uterine fibroid cells

2023-12-22 | GSE195800 | GEO

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