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ZNF397 Deficiency Triggers TET2-Driven Lineage Plasticity and AR-Targeted Therapy Resistance in Prostate Cancer

ABSTRACT: This SuperSeries is composed of the SubSeries listed below.

ORGANISM(S): Homo sapiens

PROVIDER: GSE230602 | GEO | 2024/04/05

REPOSITORIES: GEO

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ZNF397 Deficiency Triggers TET2-driven Lineage Plasticity and AR-Targeted Therapy Resistance in Prostate Cancer [ATAC-seq]

Project description:Cancer cells exhibit phenotypical plasticity and epigenetic reprogramming, which allows them to evade lineage-dependent targeted treatments by adopting lineage plasticity. The underlying mechanisms by which cancer cells exploit the epigenetic regulatory machinery to acquire lineage plasticity and therapy resistance remain poorly understood. We identified Zinc Finger Protein 397 (ZNF397) as a bona fide coactivator of the androgen receptor (AR), essential for the transcriptional program governing AR-driven luminal lineage. ZNF397 deficiency facilitates the transition of cancer cell from an AR-driven luminal lineage to a Ten-Eleven Translocation 2 (TET2)-driven lineage plastic state, ultimately promoting resistance to therapies inhibiting AR signaling. Intriguingly, our findings indicate that a TET2 inhibitor can eliminate the AR targeted therapies resistance in ZNF397-deficient tumors. These insights uncover a novel mechanism through which prostate cancer acquires lineage plasticity via epigenetic rewiring and offers promising implications for clinical interventions designed to overcome therapy resistance dictated by lineage plasticity.

2024-04-05 | GSE260467 | GEO

ZNF397 Deficiency Triggers TET2-driven Lineage Plasticity and AR-Targeted Therapy Resistance in Prostate Cancer [RNA-seq]

2024-04-05 | GSE230601 | GEO

ZNF397 Deficiency Triggers TET2-driven Lineage Plasticity and AR-Targeted Therapy Resistance in Prostate Cancer [ChIP-seq]

2024-04-05 | GSE230600 | GEO

ZNF397 Deficiency Triggers TET2-driven Lineage Plasticity and AR-Targeted Therapy Resistance in Prostate Cancer [5hmC-seq]

2024-04-05 | GSE260466 | GEO

ZNF397 Deficiency Triggers TET2-Driven Lineage Plasticity and AR-Targeted Therapy Resistance in Prostate Cancer

Project description:ZNF397 Deficiency Triggers TET2-Driven Lineage Plasticity and AR-Targeted Therapy Resistance in Prostate Cancer

| PRJNA961830 | ENA

ZNF397 Deficiency Triggers TET2-driven Lineage Plasticity and AR-Targeted Therapy Resistance in Prostate Cancer [RNA-seq]

Project description:ZNF397 Deficiency Triggers TET2-driven Lineage Plasticity and AR-Targeted Therapy Resistance in Prostate Cancer [RNA-seq]

| PRJNA961832 | ENA

ZNF397 Deficiency Triggers TET2-driven Lineage Plasticity and AR-Targeted Therapy Resistance in Prostate Cancer [ChIP-seq]

Project description:ZNF397 Deficiency Triggers TET2-driven Lineage Plasticity and AR-Targeted Therapy Resistance in Prostate Cancer [ChIP-seq]

| PRJNA961831 | ENA

ZNF397 Deficiency Triggers TET2-driven Lineage Plasticity and AR-Targeted Therapy Resistance in Prostate Cancer [ATAC-seq]

Project description:ZNF397 Deficiency Triggers TET2-driven Lineage Plasticity and AR-Targeted Therapy Resistance in Prostate Cancer [ATAC-seq]

| PRJNA1081833 | ENA

ZNF397 Deficiency Triggers TET2-driven Lineage Plasticity and AR-Targeted Therapy Resistance in Prostate Cancer [5hmC-seq]

Project description:ZNF397 Deficiency Triggers TET2-driven Lineage Plasticity and AR-Targeted Therapy Resistance in Prostate Cancer [5hmC-seq]

| PRJNA1081832 | ENA

JAK-STAT Signaling Confers Lineage Plasticity and AR Targeted Therapy Resistance in Prostate Cancer

Project description:Emerging evidence indicates that various cancers, including prostate, breast, melanoma and lung cancers, could gain resistance to targeted therapies by acquiring lineage plasticity. Although various genomic and transcriptomic aberrations correlate with lineage plasticity-driven resistance, the molecular mechanisms and kinetics of acquiring lineage plasticity are not fully elucidated. Through integrated transcriptomic and single cell RNA-seq (scRNA-seq) analysis of more than 80,000 cells, we show that the ectopic activation of Janus kinase (JAK)-signal transducer and activator of transcription (STAT) pathway drives lineage plasticity and Androgen Receptor (AR) targeted therapy resistance in PCa with TP53/RB1-deficiency. Ectopic activation of JAK-STAT signaling enables Heterogeneous and AR-independent subclones to emerge upon the selective pressure of AR targeted therapy, including subclones expressing multi-lineage, progenitor-like and epithelial to mesenchymal transition (EMT)-like lineage survival transcriptional programs. Both genetic and pharmaceutical inactivation of key components of the JAK-STAT signaling pathway significantly re-sensitizes resistant PCa tumors to AR targeted therapy. In summary, these results show for the first time that JAK-STAT signaling pathway is a key effector in driving lineage plasticity and represents a potential therapeutic target for overcoming AR targeted therapy resistance.

2022-06-29 | GSE175975 | GEO

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