Ontology highlight
ABSTRACT:
PROVIDER: PRJNA1156808 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| Other | ||||
| SRR30559800.fastq.gz | Fastqsanger.gz | |||
| SRR30559801.fastq.gz | Fastqsanger.gz | |||
| SRR30559802.fastq.gz | Fastqsanger.gz | |||
| SRR30559804_1.fastq.gz | Fastqsanger.gz |
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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).
2024-02-22 | E-MTAB-13207 | biostudies-arrayexpress
Project description:Transcriptional factors (TFs) act as central determinants to coordinate cell death and survival by differentially modulating gene expression. Here, we systematically identified many TFs including TEAD4 forming condensates in stressed cells. In sharp contrast to YAP-induced transcription-activating condensation of TEAD4, we found co-factors such as VGLL4 and RFXANK could alternatively induce repressive condensation of TEAD4 to trigger cell death. Illustrated by VGLL4, we mechanistically revealed that the heterotypic interactions between TEAD4 with VGLL4 favors its oligomerization and assembly of large condensates to manifest a nonclassical inhibitory function of this transcription factor, i.e., causing DNA/chromatin to be aggregated and entangled, which eventually impede gene expression. Based on these findings, we engineered a linker peptide (GLUP) to selectively “glue” TEAD4 molecules together, therefore forcefully driving its repressive condensation against YAP-induced activation. This glue peptide displayed a strong antitumor effect via inhibition of TEAD4-related gene transcription. Collectively, this work revealed a new type of phase separation, i.e., repressive condensation of TFs, and revealed how cofactor-induced differential condensation orchestrate opposite functions of a given TF, and further developed a new class of antitumor strategy by artificially inducing repressive condensation.
2024-04-19 | GSE244419 | GEO
Project description:Transcriptional factors (TFs) act as central determinants to coordinate cell death and survival by differentially modulating gene expression. Here, we systematically identified many TFs including TEAD4 forming condensates in stressed cells. In sharp contrast to YAP-induced transcription-activating condensation of TEAD4, we found co-factors such as VGLL4 and RFXANK could alternatively induce repressive condensation of TEAD4 to trigger cell death. Illustrated by VGLL4, we mechanistically revealed that the heterotypic interactions between TEAD4 with VGLL4 favors its oligomerization and assembly of large condensates to manifest a nonclassical inhibitory function of this transcription factor, i.e., causing DNA/chromatin to be aggregated and entangled, which eventually impede gene expression. Based on these findings, we engineered a linker peptide (GLUP) to selectively “glue” TEAD4 molecules together, therefore forcefully driving its repressive condensation against YAP-induced activation. This glue peptide displayed a strong antitumor effect via inhibition of TEAD4-related gene transcription. Collectively, this work revealed a new type of phase separation, i.e., repressive condensation of TFs, and revealed how cofactor-induced differential condensation orchestrate opposite functions of a given TF, and further developed a new class of antitumor strategy by artificially inducing repressive condensation.
2024-04-19 | GSE244418 | GEO
Project description:Transcriptional factors (TFs) act as central determinants to coordinate cell death and survival by differentially modulating gene expression. Here, we systematically identified many TFs including TEAD4 forming condensates in stressed cells. In sharp contrast to YAP-induced transcription-activating condensation of TEAD4, we found co-factors such as VGLL4 and RFXANK could alternatively induce repressive condensation of TEAD4 to trigger cell death. Illustrated by VGLL4, we mechanistically revealed that the heterotypic interactions between TEAD4 with VGLL4 favors its oligomerization and assembly of large condensates to manifest a nonclassical inhibitory function of this transcription factor, i.e., causing DNA/chromatin to be aggregated and entangled, which eventually impede gene expression. Based on these findings, we engineered a linker peptide (GLUP) to selectively “glue” TEAD4 molecules together, therefore forcefully driving its repressive condensation against YAP-induced activation. This glue peptide displayed a strong antitumor effect via inhibition of TEAD4-related gene transcription. Collectively, this work revealed a new type of phase separation, i.e., repressive condensation of TFs, and revealed how cofactor-induced differential condensation orchestrate opposite functions of a given TF, and further developed a new class of antitumor strategy by artificially inducing repressive condensation.
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Project description:Transcriptional factors (TFs) act as central determinants to coordinate cell death and survival by differentially modulating gene expression. Here, we systematically identified many TFs including TEAD4 forming condensates in stressed cells. In sharp contrast to YAP-induced transcription-activating condensation of TEAD4, we found co-factors such as VGLL4 and RFXANK could alternatively induce repressive condensation of TEAD4 to trigger cell death. Illustrated by VGLL4, we mechanistically revealed that the heterotypic interactions between TEAD4 with VGLL4 favors its oligomerization and assembly of large condensates to manifest a nonclassical inhibitory function of this transcription factor, i.e., causing DNA/chromatin to be aggregated and entangled, which eventually impede gene expression. Based on these findings, we engineered a linker peptide (GLUP) to selectively “glue” TEAD4 molecules together, therefore forcefully driving its repressive condensation against YAP-induced activation. This glue peptide displayed a strong antitumor effect via inhibition of TEAD4-related gene transcription. Collectively, this work revealed a new type of phase separation, i.e., repressive condensation of TFs, and revealed how cofactor-induced differential condensation orchestrate opposite functions of a given TF, and further developed a new class of antitumor strategy by artificially inducing repressive condensation.
2024-08-07 | GSE274201 | GEO
Project description:Human embryonic stem cells (hESCs) are maintained in a self-renewing state by an interconnected network of mechanisms that sustain pluripotency, promote proliferation and survival, and prevent differentiation. We sought to find novel genes that could contribute to one or more of these processes by using a gain-of-function screen of a large collection of human open reading frames. We identified Vestigial-like 4 (VGLL4), a co-transcriptional regulator with no previously described function in hESCs, as a positive regulator of survival in hESCs. Specifically, VGLL4 overexpression in hESCs significantly decreases cell death in response to dissociation stress. Additionally, VGLL4 overexpression enhances hESC colony formation from single cells. These effects may be attributable, in part, to a decreased activity of initiator and effector caspases observed in the context of VGLL4 overexpression. Additionally, we show an interaction between VGLL4 and the Rho/Rock pathway, previously implicated in hESC survival. This study introduces a novel gain-of-function approach for studying hESC maintenance and presents VGLL4 as a previously undescribed regulator of this process. The goal of this experiment was to compare the global transcriptional profile of hESCs overexpressing VGLL4 to wild-type hESCs in order to understand the transcriptional differences behind the phenotype exhibited by VGLL4-overexpressing cells. This list was then used for subsequent analysis where genes were filtered individually, but also per sample, such that only genes with a pvalue of detection of less than 0.05 on at least 5 of the samples were kept. Next, the SAM statistical suite was used to generate a list of genes that are expressed at a significantly higher level in the 4 Vgll4 samples compared to the 4 WT samples using an FDR of 7% for discovery purposes. RNA was purified from total cultures of HUES6 human embryonic stem cells (wildtype vs cells overexpressing VGLL4 from a lentiviral vector). Samples were collected in quadruplicates (biological replicates) using a Qiagen RNeasy kit and 200 ng of starting material were used as input for the Illumina TotalPrep Amplification Kit. Human ES cells were grown in the presence of mouse embryonic fibroblasts.
2013-12-01 | E-GEOD-44590 | biostudies-arrayexpress
Project description:TEAD proteins are a family of transcription factors that enable the oncogenic activity of deregulated Hippo signaling and are a promising therapeutic target in oncology. Targeting the lipid pocket of TEAD is an established path to inhibit the oncogenic activities of the cofactors YAP and TAZ. Here we present two covalent pan-TEAD inhibitors that bind to the lipid pocket, GNE-8025 and GNE-2181. GNE-8025 binds TEAD proteins covalently at a conserved cysteine residue to engage the lipid pocket and allosterically disrupt the interaction of TEAD proteins with YAP. GNE-2181 is a further optimized version of GNE-8025 with properties that enable brain penetrance in vivo. Both of these small molecules suppress the proliferation of YAP-driven tumor cells both in vitro and in vivo and increase activity of a broad range of inhibitors of the MAPK pathway. We demonstrate that these molecules have exceptional efficacy in Hippo-driven in vivo tumor models, including in a mouse model of brain metastases where GNE-2181 treatment significantly inhibits the growth of intracranial brain tumors. Altogether we present a next-generation class of TEAD inhibitors. The development of GNE-8025 and GNE-2181 is a significant advancement towards potent, specific, and effective Hippo-targeting cancer therapies.
2025-08-12 | GSE305227 | GEO
Project description:TEAD proteins are a family of transcription factors that enable the oncogenic activity of deregulated Hippo signaling and are a promising therapeutic target in oncology. Targeting the lipid pocket of TEAD is an established path to inhibit the oncogenic activities of the cofactors YAP and TAZ. Here we present two covalent pan-TEAD inhibitors that bind to the lipid pocket, GNE-8025 and GNE-2181. GNE-8025 binds TEAD proteins covalently at a conserved cysteine residue to engage the lipid pocket and allosterically disrupt the interaction of TEAD proteins with YAP. GNE-2181 is a further optimized version of GNE-8025 with properties that enable brain penetrance in vivo. Both of these small molecules suppress the proliferation of YAP-driven tumor cells both in vitro and in vivo and increase activity of a broad range of inhibitors of the MAPK pathway. We demonstrate that these molecules have exceptional efficacy in Hippo-driven in vivo tumor models, including in a mouse model of brain metastases where GNE-2181 treatment significantly inhibits the growth of intracranial brain tumors. Altogether we present a next-generation class of TEAD inhibitors. The development of GNE-8025 and GNE-2181 is a significant advancement towards potent, specific, and effective Hippo-targeting cancer therapies.
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Project description:Transcriptional factors (TFs) act as central determinants to coordinate cell death and survival by differentially modulating gene expression. Here, we systematically identified many TFs including TEAD4 forming condensates in stressed cells. In sharp contrast to YAP-induced transcription-activating condensation of TEAD4, we found co-factors such as VGLL4 and RFXANK could alternatively induce repressive condensation of TEAD4 to trigger cell death. Illustrated by VGLL4, we mechanistically revealed that the heterotypic interactions between TEAD4 with VGLL4 favors its oligomerization and assembly of large condensates to manifest a nonclassical inhibitory function of this transcription factor, i.e., causing DNA/chromatin to be aggregated and entangled, which eventually impede gene expression. Based on these findings, we engineered a linker peptide (GLUP) to selectively “glue” TEAD4 molecules together, therefore forcefully driving its repressive condensation against YAP-induced activation. This glue peptide displayed a strong antitumor effect via inhibition of TEAD4-related gene transcription. Collectively, this work revealed a new type of phase separation, i.e., repressive condensation of TFs, and revealed how cofactor-induced differential condensation orchestrate opposite functions of a given TF, and further developed a new class of antitumor strategy by artificially inducing repressive condensation.
2024-04-19 | GSE244417 | GEO