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MYC drives temporal evolution of small cell lung cancer subtypes by reprogramming neuroendocrine fate [Bulk RNA-seq of RPM time-series cells]

ABSTRACT: MYC drives temporal evolution of small cell lung cancer subtypes by reprogramming neuroendocrine fate [Bulk RNA-seq of RPM time-series cells]

PROVIDER: PRJNA627599 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR11594432.fastq.gz	Fastqsanger.gz
	SRR11594433.fastq.gz	Fastqsanger.gz
	SRR11594434.fastq.gz	Fastqsanger.gz
	SRR11594435.fastq.gz	Fastqsanger.gz
	SRR11594436.fastq.gz	Fastqsanger.gz

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Similar Datasets

MYC drives temporal evolution of small cell lung cancer subtypes by reprogramming neuroendocrine fate [Bulk RNA-seq of RPM time-series cells]

Project description:Distinct SCLC molecular subtypes have been defined based on expression of lineage-related transcription factors: ASCL1, NEUROD1, POU2F3 or YAP1, but their origins remain unknown. To study transcriptional dynamics of MYC-driven tumor evolution and compare transcriptional states to human SCLC tumors, we performed bulk RNA-sequencing on various timepoints of Rb1/Trp53/MycT58A (RPM) tumor cells (from Ad-Cgrp-Cre infected mice) as they progress in culture. These bulk RNA-seq data of the RPM time-series cells complement time-series analysis of single-cell transcriptome profiling of similar timepoints and ultimately reveal that MYC drives the dynamic evolution of SCLC subtypes. We find that MYC promotes a temporal shift from an ASCL1-to-NEUROD1-to-YAP1+ state from a neuroendocrine cell of origin. MYC activates Notch signaling to dedifferentiate tumor cells to non-neuroendocrine fates. These findings support our overall conclusions that genetics, cell of origin, and tumor cell plasticity determine SCLC subtype.

2020-05-28 | GSE149178 | GEO

MYC drives temporal evolution of small cell lung cancer subtypes by reprogramming neuroendocrine fate [Single Cell RNA seq on RPM time-series cells and 4 RPM bulk tumors]

Project description:Small cell lung cancer (SCLC) is a neuroendocrine tumor treated clinically as a single disease with poor outcomes. Distinct SCLC molecular subtypes have been defined based on expression of lineage-related transcription factors: ASCL1, NEUROD1, POU2F3 or YAP1, but their origins remain unknown. Here, we develop an in vitro model of MYC-driven SCLC tumor cell progression and perform a time-series analysis of single-cell transcriptome profiling to reveal that MYC drives the dynamic evolution of SCLC subtypes. Analyses of these single-cell RNA seq data reveal that MYC promotes a temporal shift from an Ascl1-to-Neurod1-to-Yap1+ state from a neuroendocrine cell of origin. They also support our findings that MYC activates Notch signaling to dedifferentiate tumor cells to non-neuroendocrine fates. Additional single-cell RNA sequencing of 4 bulk Rb1/Trp53/MycT58A (RPM) tumors reveal individual tumors to consist of cells at nearly every stage of RPM tumor evolution modeled in vitro. Together, these single-cell RNA sequencing data place 3 of 4 SCLC subtypes on a defined trajectory and suggest that genetics, cell of origin, and tumor cell plasticity determine SCLC subtype.

2020-05-28 | GSE149179 | GEO

MYC drives temporal evolution of small cell lung cancer subtypes by reprogramming neuroendocrine fate [Bulk RNA-seq of RPM and RPR2 tumors]

Project description:Distinct SCLC molecular subtypes have been defined based on expression of lineage-related transcription factors: ASCL1, NEUROD1, POU2F3 or YAP1, but their origins remain unknown. We perform bulk RNA-sequencing on SCLC tumors from RPM and Rb1/Trp53/Rbl2 (RPR2) GEMMs, initiated by CGRP-Cre, to complement time-series analysis of single-cell transcriptome profiling and reveal that MYC drives the dynamic evolution of SCLC subtypes. MYC promotes a temporal shift from an ASCL1-to-NEUROD1-to-YAP1+ state from a neuroendocrine cell of origin. MYC activates Notch signaling to dedifferentiate tumor cells to non-neuroendocrine fates. Sequenced RPM tumors driven by MycT58A, in comparison to RPR2 tumors associated with high Mycl, have increased intratumoral subtype heterogeneity by bulk-seq, single-cell RNA seq, and IHC compared to RPR2 tumors. In RPM tumors with high MYC, tumors are able to proceed to non-NE subtypes resembling the NEUROD1+ and YAP1+ human SCLC subtypes. These findings support our overall conclusions that genetics, cell of origin, and tumor cell plasticity determine SCLC subtype.

2020-05-28 | GSE149175 | GEO

MYC drives temporal evolution of small cell lung cancer subtypes by reprogramming neuroendocrine fate [Single Cell RNA seq on RPM time-series cells and 4 RPM bulk tumors]

Project description:MYC drives temporal evolution of small cell lung cancer subtypes by reprogramming neuroendocrine fate [Single Cell RNA seq on RPM time-series cells and 4 RPM bulk tumors]

| PRJNA627598 | ENA

MYC drives temporal evolution of small cell lung cancer subtypes by reprogramming neuroendocrine fate [WGS data]

Project description:Distinct SCLC molecular subtypes have been defined based on expression of lineage-related transcription factors: ASCL1, NEUROD1, POU2F3 or YAP1, but their origins remain unknown. To study transcriptional dynamics of MYC-driven tumor evolution and compare transcriptional states to human SCLC tumors, we performed bulk and single-cell RNA-sequencing on various timepoints of Rb1/Trp53/MycT58A (RPM) tumor cells (from Ad-Cgrp-Cre infected mice) as they progress in culture, and on RPM bulk tumors. Here, to complement these analyses we performed ~30X whole-genome sequencing (WGS) of early (day 4) and late (day 23) time-point RPM tumor cells from culture, along with a matching normal blood control to confirm complete loss of expected regions of Rb1 and Trp53. WGS analyses revealed no detectable copy number variations (CNVs), and SNV analysis suggests that minimal clonal and subclonal evolution occurs in vitro. Together, these data ultimately reveal that MYC drives the dynamic evolution of SCLC subtypes. We find that MYC promotes a temporal shift from an ASCL1-to-NEUROD1-to-YAP1+ state from a neuroendocrine cell of origin. MYC activates Notch signaling to dedifferentiate tumor cells to non-neuroendocrine fates. These findings support our overall conclusions that genetics, cell of origin, and tumor cell plasticity determine SCLC subtype.

2020-05-28 | GSE149444 | GEO

MYC drives temporal evolution of small cell lung cancer subtypes by reprogramming neuroendocrine fate [Human SCLC biopsy]

Project description:Small cell lung cancer (SCLC) is a neuroendocrine tumor treated clinically as a single disease with poor outcomes. Distinct SCLC molecular subtypes have been defined based on expression of lineage-related transcription factors: ASCL1, NEUROD1, POU2F3 or YAP1, but their origins remain unknown. We developed an in vitro model of MYC-driven SCLC tumor cell progression, and performed a time-series analysis of single-cell transcriptome profiling to reveal that MYC drives the dynamic evolution of SCLC subtypes. Analyses of these single-cell RNA seq data reveal that MYC promotes a temporal shift from an ASCL1-to-NEUROD1-to-YAP1+ state from a neuroendocrine cell of origin. MYC activates Notch signaling to dedifferentiate tumor cells to non-neuroendocrine fates. Additional single-cell RNA sequencing of 4RPM tumors reveal individual tumors to consist of cells at nearly every stage of RPM tumor evolution modeled in vitro. With the single-cell RNA sequencing of this human SCLC liver biopsy, along with IHC on a panel of 21 human biopsies, we show that human SCLC exhibits intratumoral SCLC subtype heterogeneity, suggesting this dynamic evolution occurs in patient tumors. Together, these single-cell RNA sequencing data support our conclusions that genetics, cell of origin, and tumor cell plasticity determine SCLC subtype.

2020-05-28 | GSE150766 | GEO

MYC drives temporal evolution of small cell lung cancer subtypes by reprogramming neuroendocrine fate [Bulk RNA-seq of RPM and RPR2 tumors]

Project description:MYC drives temporal evolution of small cell lung cancer subtypes by reprogramming neuroendocrine fate [Bulk RNA-seq of RPM and RPR2 tumors]

| PRJNA627602 | ENA

MYC drives temporal evolution of small cell lung cancer subtypes by reprogramming neuroendocrine fate [SuperSeries]

Project description:MYC drives temporal evolution of small cell lung cancer subtypes by reprogramming neuroendocrine fate [SuperSeries]

| PRJNA627594 | ENA

MYC drives temporal evolution of small cell lung cancer subtypes by reprogramming neuroendocrine fate [WGS data]

Project description:MYC drives temporal evolution of small cell lung cancer subtypes by reprogramming neuroendocrine fate [WGS data]

| PRJNA628698 | ENA

RPM-1 in vivo affinity-purification proteomics using C. elegans

Project description:To uncover putative RPM-1 protein-protein interactions, we performed a comprehensive series of in vivo affinity-purification proteomics experiments using C. elegans. We utilized integrated transgenes that express RPM-1 fused with a Protein G::Streptavidin binding peptide (GS) affinity tag expressed using the native rpm-1 promoter on an rpm-1 protein null background. Negative control animals expressed an integrated transgene where the GS tag was fused to GFP (GS::GFP) and expressed by the rpm-1 promoter. We also designed a biochemical “trap” using an RPM-1 ligase-dead (RPM-1 LD) site-directed mutant to identify ubiquitination substrates. RPM-1 LD would enrich substrates by trapping them in stalled ubiquitination complexes, as well as preventing proteasome-mediated degradation and elevating substrate levels. RPM-1-binding proteins that are not ubiquitination substrates would bind to both RPM-1 and RPM-1 LD.

2024-11-19 | PXD051783 | Pride

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