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LINC00115 promotes chemoresistant breast cancer stem-like cell stemness and metastasis through SETDB1/PLK3/HIF1α signaling

ABSTRACT: LINC00115 promotes chemoresistant breast cancer stem-like cell stemness and metastasis through SETDB1/PLK3/HIF1α signaling

PROVIDER: PRJNA1027074 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR26357702_1.fastq.gz	Fastqsanger.gz
	SRR26357702_2.fastq.gz	Fastqsanger.gz
	SRR26357703_1.fastq.gz	Fastqsanger.gz
	SRR26357703_2.fastq.gz	Fastqsanger.gz
	SRR26357704_1.fastq.gz	Fastqsanger.gz

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LINC00115 promotes chemoresistant breast cancer stem-like cell stemness and metastasis through SETDB1/PLK3/HIF1α signaling [RNA-Seq]

Project description:Accumulated data demonstrate that cancer stem-like cell is a key barrier for therapeutic resistance and metastasis in various cancers, including breast cancer, yet the underlying mechanisms are still elusive. Through a genome-wide lncRNA expression profiling, we identified that LINC00115 is robustly upregulated in chemoresistant breast cancer stem-like cells (BCSCs). LINC00115 functions as a scaffold lncRNA to link SETDB1 and PLK3, leading to enhanced SETDB1 methylation of PLK3 at both K106 and K200 in drug-resistant BCSC. PLK3 methylation decreases PLK3 phosphorylation of HIF1α and thereby increases HIF1α stability. HIF1α, in turn, upregulates ALKBH5 to reduce m6A modification of LINC00115, resulting in attenuated degradation of YTHDF2-dependent m6A-modified RNA and enhanced LINC00115 stability. Thus, this positive feedback loop provokes BCSC phenotypes and enhances chemoresistance and metastasis in triple-negative breast cancer. Our findings uncover LINC00115 as a critical regulator of BCSC and highlight potential therapeutic strategies for therapeutic resistance and metastasis in breast cancer.

2024-03-27 | GSE245144 | GEO

LINC00115 promotes chemoresistant breast cancer stem-like cell stemness and metastasis through SETDB1/PLK3/HIF1α signaling [lnc RNA-Seq]

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LINC00115 promotes chemoresistant breast cancer stem-like cell stemness and metastasis through SETDB1/PLK3/HIF1α signaling [RNA-Seq]

Project description:LINC00115 promotes chemoresistant breast cancer stem-like cell stemness and metastasis through SETDB1/PLK3/HIF1α signaling [RNA-Seq]

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LINC00115 promotes chemoresistant breast cancer stem-like cell stemness and metastasis through SETDB1/PLK3/HIF1α signaling [lnc RNA-Seq]

Project description:LINC00115 promotes chemoresistant breast cancer stem-like cell stemness and metastasis through SETDB1/PLK3/HIF1α signaling [lnc RNA-Seq]

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LINC00115 promotes chemoresistant breast cancer stem-like cell stemness and metastasis through SETDB1/PLK3/HIF1α signaling

Project description: Not available

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LINC00115 promotes chemoresistant breast cancer stem-like cell stemness and metastasis through SETDB1/PLK3/HIF1α signaling

Project description:This SuperSeries is composed of the SubSeries listed below.

2024-03-27 | GSE245145 | GEO

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