Ontology highlight
ABSTRACT:
PROVIDER: PRJNA1256719 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR33366324_1.fastq.gz | Fastqsanger.gz | |||
| SRR33366324_2.fastq.gz | Fastqsanger.gz | |||
| SRR33366325_1.fastq.gz | Fastqsanger.gz | |||
| SRR33366325_2.fastq.gz | Fastqsanger.gz | |||
| SRR33366326_1.fastq.gz | Fastqsanger.gz |
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Project description:The mTORC1-TFE3-NuRD axis mediates pluripotent stem cells fate transition [CUT&Tag]
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Project description:The mTORC1-TFE3-NuRD axis mediates pluripotent stem cells fate transition[bulk RNA-Seq]
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Project description:As an evolutionarily conserved master regulator of metabolism, mechanistic target of rapamycin complex 1 (mTORC1) regulates cell states and fates in development, cancer and aging. mTORC1 activity regulation was critical for pluripotent stem cells maintenance and cell fate transitions. Inhibition of mTORC1 induces embryonic stem cells (ESCs) entry into a paused state which reversibly arrests self-renewal leaving pluripotency intact. Hyperactivation of mTORC1 impedes both pluripotency re-establishment and exit of PSCs. As shown that mTORC1 mediates TFE3 nuclear translocation block pluripotency exit, whether similar mechanisms through transcription factor TFE3 are involved in these processes, and the detailed mechanism by which mTORC1-TFE3 regulates critical transcriptional processes for these transitions, remain unclear. In this study, we demonstrate that the nuclear translocation of TFE3, induced by hyperactivation of mTORC1, results in its binding to the nucleosome remodeling and deacetylation (NuRD) complex in both re-establishment and exit of pluripotency. This interaction inhibits the expression of various crucial genes during different fate transitions of PSCs. Our findings uncover a common and key role of TFE3-NuRD association as mediator of mTORC1 to block pluripotent cell fate transitions, with implications for various fields including physiological and pathological diseases.
2024-08-13 | GSE274330 | GEO
Project description:As an evolutionarily conserved master regulator of metabolism, mechanistic target of rapamycin complex 1 (mTORC1) regulates cell states and fates in development, cancer and aging. mTORC1 activity regulation was critical for pluripotent stem cells maintenance and cell fate transitions. Inhibition of mTORC1 induces embryonic stem cells (ESCs) entry into a paused state which reversibly arrests self-renewal leaving pluripotency intact. Hyperactivation of mTORC1 impedes both pluripotency re-establishment and exit of PSCs. As shown that mTORC1 mediates TFE3 nuclear translocation block pluripotency exit, whether similar mechanisms through transcription factor TFE3 are involved in these processes, and the detailed mechanism by which mTORC1-TFE3 regulates critical transcriptional processes for these transitions, remain unclear. In this study, we demonstrate that the nuclear translocation of TFE3, induced by hyperactivation of mTORC1, results in its binding to the nucleosome remodeling and deacetylation (NuRD) complex in both re-establishment and exit of pluripotency. This interaction inhibits the expression of various crucial genes during different fate transitions of PSCs. Our findings uncover a common and key role of TFE3-NuRD association as mediator of mTORC1 to block pluripotent cell fate transitions, with implications for various fields including physiological and pathological diseases.
2024-08-13 | GSE274328 | GEO
Project description:As an evolutionarily conserved master regulator of metabolism, mechanistic target of rapamycin complex 1 (mTORC1) regulates cell states and fates in development, cancer and aging. mTORC1 activity regulation was critical for pluripotent stem cells maintenance and cell fate transitions. Inhibition of mTORC1 induces embryonic stem cells (ESCs) entry into a paused state which reversibly arrests self-renewal leaving pluripotency intact. Hyperactivation of mTORC1 impedes both pluripotency re-establishment and exit of PSCs. As shown that mTORC1 mediates TFE3 nuclear translocation block pluripotency exit, whether similar mechanisms through transcription factor TFE3 are involved in these processes, and the detailed mechanism by which mTORC1-TFE3 regulates critical transcriptional processes for these transitions, remain unclear. In this study, we demonstrate that the nuclear translocation of TFE3, induced by hyperactivation of mTORC1, results in its binding to the nucleosome remodeling and deacetylation (NuRD) complex in both re-establishment and exit of pluripotency. This interaction inhibits the expression of various crucial genes during different fate transitions of PSCs. Our findings uncover a common and key role of TFE3-NuRD association as mediator of mTORC1 to block pluripotent cell fate transitions, with implications for various fields including physiological and pathological diseases.
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Project description:The exit from pluripotency or pluripotent-somatic transition (PST) landmarks an event of mammalian development, and is also a representative cell-fate transition model, but remains largely unresolved. Recently, we reported construction of robust JUN-induced PST completed in one cell cycle and whose dominant regulator SS18/BAFs (Brg1/Brahma-associated factors). However, the transition process in the chromatin architecture and the roles played by BAF are still unknown. Here we report the dynamic changes of chromatin accessibility during JUN-induced PST. Meanwhile, SS18/BAFs mediates PST process by relocating from pluripotent loci to AP-1 associated ones and once compromised, JUN fails to open chromatin and PST will be delayed. Furthermore, we show that the relocation of SS18/BAF partially relays on histone modification H3K27ac, instead of JUN-centric protein-protein interaction. These results reveal the orchestration of master transcription factor, epigenetic machine, and histone modification in the cell fate transition.
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Project description:We show that NAT10-ac4C axis significantly regulates cell fates. To identify the molecular mechanisms of NAT10-ac4C-ANP32B axis in cell-fate transitions, we construct shNAT10 and shANP32B hESCs. acRIP-seq of shCTR and shNAT10 hESCs. We profiled ATAC-seq in shCTR, shNAT10, and shANP32B hESCs. We profiled H3K4me3 and H3K27me3 modifications and the binding of ANP32B by CUT&Tag in shCTR and shNAT10 hESCs.
2023-11-11 | GSE210504 | GEO
Project description:We show that CD-RXRα axis significantly promotes mouse chemical reprogramming of fibroblasts. To identify the molecular mechanisms of CD-RXRα axis in chemical reprogramming, we construct Flag-Rxra-OE cells. We performed Flag-Rxra CUT&Tag with reprogramming intermediate, also we performed CUT&Tag with or without CD treatment for reprogramming intermediates.
2023-05-03 | GSE208767 | GEO
Project description:Lysosomal degradation of the endoplasmic reticulum (ER) via autophagy (ER-phagy) is emerging as a critical regulator of cell homeostasis and function1. The recent identification of ER-phagy receptors has shed light on the molecular mechanism underlining this process; however, the signaling pathways regulating ER-phagy in response to cellular needs are still largely unknown. We found that the nutrient responsive transcription factors TFEB and TFE3 - master regulators of lysosomal biogenesis and autophagy2- control ER-phagy by inducing the expression of the ER-phagy receptor FAM134B. The TFEB/TFE3-FAM134B axis promotes ER-phagy activation upon prolonged starvation. In addition, we discovered that this pathway is activated in chondrocytes by FGF signaling, a critical regulator of cell differentiation 3. FGF signaling induces a JNK-dependent proteasomal degradation of the insulin receptor substrate 1, which inhibits the insulin-PI3K-PKB/Akt-mTORC1 pathway and promotes TFEB/TFE3 nuclear translocation and FAM134B induction. Consistent with a role of the TFEB/TFE3-FAM134B axis in chondrocytes, FAM134B knock-down impairs cartilage growth and mineralization in medaka fish. This study identifies a new signaling pathway that allows ER-phagy to respond to both metabolic and developmental cues.
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