The role of TP63 fusion in mouse lymphomagenesis
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA1002796 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR25541809_1.fastq.gz | Fastqsanger.gz | |||
| SRR25541809_2.fastq.gz | Fastqsanger.gz | |||
| SRR25541810_1.fastq.gz | Fastqsanger.gz | |||
| SRR25541810_2.fastq.gz | Fastqsanger.gz | |||
| SRR25541811_1.fastq.gz | Fastqsanger.gz |
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Project description:Patients with lymphoma harboring TP63 rearrangements have aggressive clinical course and dismal prognosis with no target therapy available. Thus, there is an urgent need to elucidate the molecular mechanisms and to develop novel therapeutic options for these patients. We then generated a TBL1XR1::TP63 fusion knockin trangenic mouse model and crossed with CD2/iCre mouse. This project is to study the role and function of TP63 fusion in mouse lymphomagenesis.
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Project description:In response to genotoxic stress the TP53 tumour suppressor activates target gene expression to induce cell cycle arrest or apoptosis depending on the extent of DNA damage. These canonical activities can be repressed by TP63 in normal stratifying epithelia to maintain proliferative capacity or drive proliferation of squamous cell carcinomas, where TP63 is frequently overexpressed/amplified. Here we use ChIP-sequencing, integrated with microarray analysis, to define the genome wide interplay between TP53 and TP63 in response to genotoxic stress in normal cells. We reveal that TP53 and TP63 bind to overlapping, but distinct cistromes of sites through utilization of distinctive consensus motifs and that TP53 is constitutively bound to a number of sites. We demonstrate that cisplatin and adriamycin elicit distinct effects on TP53 and TP63 binding events, through which TP53 can induce or repress transcription of an extensive network of genes by direct binding and/or modulation of TP63 activity. Collectively, this results in a global TP53 dependent repression of cell cycle progression, mitosis and DNA damage repair concomitant with activation of anti-proliferative and pro-apoptotic canonical target genes. Further analyses reveals that in the absence of genotoxic stress TP63 plays an important role in maintaining expression of DNA repair genes, loss of which results in defective repair Examination of p63 and p53 binding sites in neonatal foreskin keratinocytes in response to adriamycin or cisplatin treatment
2014-04-11 | E-GEOD-56674 | biostudies-arrayexpress
Project description:In response to genotoxic stress the TP53 tumour suppressor activates target gene expression to induce cell cycle arrest or apoptosis depending on the extent of DNA damage. These canonical activities can be repressed by TP63 in normal stratifying epithelia to maintain proliferative capacity or drive proliferation of squamous cell carcinomas, where TP63 is frequently overexpressed/amplified. Here we use ChIP-sequencing, integrated with microarray analysis, to define the genome wide interplay between TP53 and TP63 in response to genotoxic stress in normal cells. We reveal that TP53 and TP63 bind to overlapping, but distinct cistromes of sites through utilization of distinctive consensus motifs and that TP53 is constitutively bound to a number of sites. We demonstrate that cisplatin and adriamycin elicit distinct effects on TP53 and TP63 binding events, through which TP53 can induce or repress transcription of an extensive network of genes by direct binding and/or modulation of TP63 activity. Collectively, this results in a global TP53 dependent repression of cell cycle progression, mitosis and DNA damage repair concomitant with activation of anti-proliferative and pro-apoptotic canonical target genes. Further analyses reveals that in the absence of genotoxic stress TP63 plays an important role in maintaining expression of DNA repair genes, loss of which results in defective repair Examination of gene expression levels of HFKS siRNA depleted for p53 or p63 in response to adriamycin or cisplatin treatment We analyzed RNA using the Affymetrix Human Exon 1.0 ST platform. Array data was processed using the AltAnalyze.
2014-04-30 | E-GEOD-57187 | biostudies-arrayexpress
Project description:Non-oncogene addiction to SIRT3 plays a critical role in lymphomagenesis
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Project description:Prostate adenocarcinoma (PRAD) is the second most common cause of cancer-related deaths in men. In PRAD, high variability in DNA methylation and a high rate of large genomic rearrangements is often observed. To elucidate the reasons behind such high variance, we integrated DNA methylation, RNA-seq, and copy number alterations datasets from The Cancer Genome Atlas (TCGA) focusing on PRAD and subsequently employed weighted gene co-expression network analysis (WGCNA). Our results show that only a single cluster of co-expressed genes is associated with genomic and epigenomic instability. Within this cluster, TP63 and TRIM29 are key transcription regulators and are downregulated in PRAD. We revealed that TP63 regulates the level of enhancer methylation in prostate basal epithelium cells. TRIM29 forms a complex with TP63 and together regulate the expression of genes specific to the prostate basal epithelium. Moreover, TRIM29 binds DNA repair proteins and prevents formation of the TMPRSS2:ERG gene fusion typically observed in PRAD. Therefore, the study shows that TRIM29 and TP63 are important regulators maintaining the identity of the basal epithelium under physiological conditions. Finally, we uncover the role of TRIM29 in PRAD development.
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Project description:Purpose: To identify TP63 expression regulated pathways in HNSCC Methods: A recombinant lentivirus encoding either NS shRNA or TP63 shRNA was introduced into a HNSCC cell line, FaDu. SCCs were gene generated by implanting either FaDu-NS shRNA (n=3) or FaDu-TP63 shRNA into the tongue of athymic nude mice. Tongue SCCs harvested at the end of study were used for transcriptome analysis
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Project description:Prostate adenocarcinoma (PRAD) is the second most common cause of cancer-related deaths in men. In PRAD, high variability in DNA methylation and a high rate of large genomic rearrangements is often observed. To elucidate the reasons behind such high variance, we integrated DNA methylation, RNA-seq, and copy number alterations datasets from The Cancer Genome Atlas (TCGA) focusing on PRAD and subsequently employed weighted gene co-expression network analysis (WGCNA). Our results show that only a single cluster of co-expressed genes is associated with genomic and epigenomic instability. Within this cluster, TP63 and TRIM29 are key transcription regulators and are downregulated in PRAD. We revealed that TP63 regulates the level of enhancer methylation in prostate basal epithelium cells. TRIM29 forms a complex with TP63 and together regulate the expression of genes specific to the prostate basal epithelium. Moreover, TRIM29 binds DNA repair proteins and prevents formation of the TMPRSS2:ERG gene fusion typically observed in PRAD. Therefore, the study shows that TRIM29 and TP63 are important regulators maintaining the identity of the basal epithelium under physiological conditions. Finally, we uncover the role of TRIM29 in PRAD development.
2024-03-19 | GSE204810 | GEO
Project description:Prostate adenocarcinoma (PRAD) is the second most common cause of cancer-related deaths in men. In PRAD, high variability in DNA methylation and a high rate of large genomic rearrangements is often observed. To elucidate the reasons behind such high variance, we integrated DNA methylation, RNA-seq, and copy number alterations datasets from The Cancer Genome Atlas (TCGA) focusing on PRAD and subsequently employed weighted gene co-expression network analysis (WGCNA). Our results show that only a single cluster of co-expressed genes is associated with genomic and epigenomic instability. Within this cluster, TP63 and TRIM29 are key transcription regulators and are downregulated in PRAD. We revealed that TP63 regulates the level of enhancer methylation in prostate basal epithelium cells. TRIM29 forms a complex with TP63 and together regulate the expression of genes specific to the prostate basal epithelium. Moreover, TRIM29 binds DNA repair proteins and prevents formation of the TMPRSS2:ERG gene fusion typically observed in PRAD. Therefore, the study shows that TRIM29 and TP63 are important regulators maintaining the identity of the basal epithelium under physiological conditions. Finally, we uncover the role of TRIM29 in PRAD development.
2024-03-19 | GSE204812 | GEO
Project description:Prostate adenocarcinoma (PRAD) is the second most common cause of cancer-related deaths in men. In PRAD, high variability in DNA methylation and a high rate of large genomic rearrangements is often observed. To elucidate the reasons behind such high variance, we integrated DNA methylation, RNA-seq, and copy number alterations datasets from The Cancer Genome Atlas (TCGA) focusing on PRAD and subsequently employed weighted gene co-expression network analysis (WGCNA). Our results show that only a single cluster of co-expressed genes is associated with genomic and epigenomic instability. Within this cluster, TP63 and TRIM29 are key transcription regulators and are downregulated in PRAD. We revealed that TP63 regulates the level of enhancer methylation in prostate basal epithelium cells. TRIM29 forms a complex with TP63 and together regulate the expression of genes specific to the prostate basal epithelium. Moreover, TRIM29 binds DNA repair proteins and prevents formation of the TMPRSS2:ERG gene fusion typically observed in PRAD. Therefore, the study shows that TRIM29 and TP63 are important regulators maintaining the identity of the basal epithelium under physiological conditions. Finally, we uncover the role of TRIM29 in PRAD development.
2024-03-19 | GSE204811 | GEO