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Gene expression changes in response to tead degrader HC278

ABSTRACT: Gene expression changes in response to tead degrader HC278

PROVIDER: PRJNA1077331 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR27991165.fastq.gz	Fastqsanger.gz
	SRR27991166.fastq.gz	Fastqsanger.gz
	SRR27991167.fastq.gz	Fastqsanger.gz
	SRR27991168.fastq.gz	Fastqsanger.gz
	SRR27991169.fastq.gz	Fastqsanger.gz

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Gene expression changes in response to tead degrader HC278

Project description:TEAD transcription factors associate with the hippo pathway effectors YAP/TAZ and mediate their oncogenic effect. To inhibit YAP activity, we developed a TEAD degrading PROTAC HC278. Here we treated NCI-H226 mesothelioma cells with DMSO or 500nM HC278 for 24 hours and examined the change in gene expression in response to HC278 treatment.

2024-10-02 | GSE255974 | GEO

pan-Kinase degrader response time course

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pan-Kinase degrader response time course

Project description:Targeted protein degradation (TPD) refers to the use of small molecules to induce ubiquitin-dependent degradation of proteins. These degrader molecules are of great interest in drug development as they can address previously inaccessible targets. However, degrader discovery and optimization remains an inefficient and empirical process due to a lack of understanding of the key molecular events required to successfully induce target degradation. Here we used a time-course experiment to assess the transcriptional response to rapid pan-Kinase degradation.

2020-09-07 | GSE157560 | GEO

Identification of YAP-TEAD gene signatures in metastatic melanoma

Project description:YAP1 (Yes-associated protein 1) is transcriptional co-activator that partners with the TEAD family of transcription factors to regulate gene expression. Increased YAP-TEAD activity is strongly implicated in the development, progression, and metastasis of several cancer types including melanoma, but the YAP-TEAD target genes that are responsible for YAP-TEAD-dependent melanoma progression and metastasis are largely unknown. To identify YAP-TEAD regulated genes in metastatic melanoma cells we used RNA-sequencing to compare gene expression in control A375 human melanoma cells to A375 cells expressing mutant forms of YAP with increased transcriptional activity due to the mutation of LATS inhibitory phosphorylation sites (YAPS127A or YAPS127A,S381A). To determine which YAP-dependent gene expression changes are mediated by TEADs we also included a mutant form of YAP that is unable to bind TEADS (YAPS94A,S127A).

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Exceptional response of high-risk neuroblastoma to RBM39 degrader Indisulam

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Lysine long-chain fatty acylation regulates the TEAD transcription factor

Project description:TEAD transcription factors are responsible for the transcriptional output of Hippo signalling1,2. TEAD activity is primarily regulated by phosphorylation of its coactivators YAP and TAZ3,4. In addition, cysteine palmitoylation has recently been shown to regulate TEAD activity5,6. Here, we report lysine long-chain fatty acylation as a novel posttranslational modification of TEADs. Lysine fatty acylation occurs spontaneously via intramolecular transfer of acyl groups from the proximal acylated cysteine residue. Lysine fatty acylation, like cysteine palmitoylation, contributes to the transcriptional activity of TEADs by enhancing the interaction with YAP and TAZ, but it is more stable than cysteine acylation, suggesting that the lysine fatty-acylated TEAD acts as a “stable active form”. Significantly, lysine fatty acylation of TEAD increased upon Hippo signalling activation, despite a decrease in cysteine acylation. Our results provide new insight into the role of fatty acyl modifications in the regulation of TEAD activity.

2023-03-19 | PXD033939 | Pride

PolyA-enriched RNA-seq of primary human hepatocyte spheroids treated with small molecule inhibitors targeting TEAD

Project description:TEAD1 emerged as an estrogen-sensitive gene that was upregulated in a HFD mouse model and in NAFLD patients. We investigated the roles of TEAD in NAFLD by treating primary human hepatocyte spheroids with two small molecule inhibitors blocking the TEAD/YAP interaction. One small molecule blocks the interaction by inhibiting TEAD autopalmitoylation (TEADap), the second small molecule blocks the interaction by binding to the surface of the TEAD protein (TEADsf).

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Cooperation between the Hippo and MAPK pathway activation drives acquired resistance to TEAD inhibition [ChIP-Seq TEAD]

Project description:TEAD transcription factors (TEAD1-4) serve as the primary effectors of the Hippo signaling pathway in various cancers. There has been significant progress in the development of therapeutic strategies aimed at disrupting the interaction of TEAD with its coactivators YAP/TAZ. However, targeted therapy leads to the emergence of resistance which poses a barrier to achieving complete cures. Currently, the underlying mechanism of resistance to TEAD inhibition in cancers remains unexplored. We uncover that upregulation of the AP-1 transcription factors, along with restored YAP/TEAD activity, drives resistance to GNE-7883, a pan-TEAD and allosteric TEAD inhibitor. Acute GNE-7883 treatment abrogates YAP binding and attenuates FOSL1 activity but compensation by increased MAPK pathway activity remains insufficient for cell survival. In contrast, TEAD inhibitor resistant cells are able to restore YAP and TEAD occupancy and acquire additional FOSL1 binding sites, leading to increased chromatin accessibility at AP-1 motifs. Resistant cells undergo transcriptional reprogramming to acquire a mesenchymal-like cell state and sustained MAPK activity. We uncover a dependence on the MAPK pathway in the TEAD inhibitor resistant cells, further highlighting the key role of MAPK pathway inhibitors, such as Cobimetinib and Belvarafenib to mitigate resistance mechanisms to TEAD inhibition in Hippo pathway dependent cancers. This study describes a clinically relevant interplay between the Hippo and MAPK pathway in cancers and offers a promising avenue to address TEAD inhibitor resistance in the clinic.

2024-12-17 | GSE273358 | GEO

Identification of resistance mechanisms to small-molecule inhibition of YAP/TEAD-regulated transcription [RNA-seq]

Project description:The Hippo tumour suppressor pathway controls transcription by regulating nuclear abundance of YAP and TAZ, which activate transcription with the TEAD1-TEAD4 DNA-binding proteins. Recently, several small-molecule inhibitors of YAP and TEADs have been reported, with some now entering clinical trials for different cancers. Here, we investigated the cellular response to TEAD palmitoylation inhibitors, using genomic and genetic strategies. Genome-wide CRISPR/Cas9 screens revealed that mutations in genes from the Hippo, MAPK and JAK-STAT signaling pathways all modulate the cellular response to TEAD inhibition. Inhibition of TEAD palmitoylation strongly reduced YAP/TEAD target expression, whilst only mildly impacting YAP/TEAD genome binding. Additionally, expression of MAPK pathway genes was induced upon inhibition of TEAD palmitoylation, which coincided with YAP/TEAD redistribution to AP-1 transcription factor binding sites. Consistent with this, combined inhibition of TEAD and the MAPK protein MEK, synergistically blocked proliferation of several mesothelioma and lung cancer cell lines and more potently reduced the growth of patient-derived lung cancers in vivo. Collectively, we reveal mechanisms by which cells can overcome small-molecule inhibition of TEAD palmitoylation and potential strategies to enhance the anti-tumor activity of emerging Hippo pathway targeted therapies.

2024-07-08 | GSE269899 | GEO

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