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MUC1-C IS ESSENTIAL FOR ESTABLISHING AND RECALLING INFLAMMATORY MEMORY OF OSIMERTINIB RESISTANCE IN NSCLC CELLS [H1975_vs_H1975-OR]

ABSTRACT: MUC1-C IS ESSENTIAL FOR ESTABLISHING AND RECALLING INFLAMMATORY MEMORY OF OSIMERTINIB RESISTANCE IN NSCLC CELLS [H1975_vs_H1975-OR]

PROVIDER: PRJNA1129175 | ENA |

REPOSITORIES: ENA

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			Action	DRS
		Other
	SRR29632487_1.fastq.gz	Fastqsanger.gz
	SRR29632487_2.fastq.gz	Fastqsanger.gz
	SRR29632491_1.fastq.gz	Fastqsanger.gz
	SRR29632491_2.fastq.gz	Fastqsanger.gz

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MUC1-C IS ESSENTIAL FOR ESTABLISHING AND RECALLING INFLAMMATORY MEMORY OF OSIMERTINIB RESISTANCE IN NSCLC CELLS [H1975_vs_H1975-OR]

Project description:MUC1-C is necessary for establishing and recalling resistance of NSCLC cells to osimertinib by driving an inflammatory memory responseThe oncogenic MUC1-C protein functions as a master regulator of NSCLC cell resistance to osimertinib by unclear mechanisms. We report that MUC1-C-mediated regulation of STAT1 and the interferon (IFN) type I/II pathways is necessary for establishing osimertinib resistance. Studies of osimertinib-resistant NSCLC cells selected for growth in the absence of drug further demonstrate that revertant cells are dependent on MUC1-C for recalling resistance to osimertinib. We show that establishing and recalling osimertinib resistance is dependent on activation of the MUC1 gene at (i) a proximal enhancer-like signature 1 (pELS-1) by MUC1-C and STAT1 and (ii) a pELS-2 by MUC1-C, JUN/AP-1 and PBAF. The MUC1 pELS regions function as memory domains for activation of MUC1-C and downstream STAT1 and IFN stimulated genes in conferring osimertinib resistance. Of clinical relevance, we report that the MUC1-C-driven inflammatory responses are induced in patient-derived, osimertinib-resistant MGH170 NSCLC cells with MET amplification. Our results further demonstrate that MGH170 cells are dependent on the MUC1-C-induced inflammatory response for resistance to the osimertinib and combination of osimertinib with the MET inhibitor capmatinib. These findings indicate that MUC1-C is necessary for establishing and recalling resistance of NSCLC cells to osimertinib by driving an inflammatory memory response.

2025-06-26 | GSE270995 | GEO

MUC1-C IS ESSENTIAL FOR ESTABLISHING AND RECALLING INFLAMMATORY MEMORY OF OSIMERTINIB RESISTANCE IN NSCLC CELLS [H1975-RT_vs_H1975-OR]

2025-06-26 | GSE270997 | GEO

Muc1-C Regulates Neat1 Lncrna Expresmuc1-C Is Essential For Establishing And Recalling Inflammatory Memory Of Osimertinib Resistance In Nsclc Cellssion And Paraspeckle Formation In Cancer Stem Cells

2025-04-02 | GSE263757 | GEO

MUC1-C IS ESSENTIAL FOR INFLAMMATORY MEMORY OF TYROSINE KINASE INHIBITOR RESISTANCE IN NSCLC CELLS

Project description:This study identifies the oncogenic protein MUC1-C as a key driver of resistance to the EGFR tyrosine kinase inhibitor osimertinib in non-small cell lung cancers (NSCLCs).MUC1-C promotes resistance by activating STAT1 and type I/II interferon pathways, creating an inflammatory memory of the resistant phenotype. This memory is maintained via MUC1-C/STAT1 interaction at one enhancer region (pELS-1) and MUC1-C/JUN/PBAF at another (pELS-2) in the MUC1 gene. MUC1-C also mediates resistance to combination EGFR/MET inhibitors and a fourth-generation EGFR TKI (TQB3804). Importantly, targeting MUC1-C with an antibody-drug conjugate (M1C ADC) is effective both in vitro and in a patient-derived xenograft model, making MUC1-C a promising therapeutic target for TKI-refractory NSCLC.

2025-04-22 | GSE294981 | GEO

MUC1-C IS ESSENTIAL FOR ESTABLISHING AND RECALLING INFLAMMATORY MEMORY OF OSIMERTINIB RESISTANCE IN NSCLC CELLS [H1975-RT_vs_H1975-OR]

Project description:MUC1-C IS ESSENTIAL FOR ESTABLISHING AND RECALLING INFLAMMATORY MEMORY OF OSIMERTINIB RESISTANCE IN NSCLC CELLS [H1975-RT_vs_H1975-OR]

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Muc1-C Regulates Neat1 Lncrna Expresmuc1-C Is Essential For Establishing And Recalling Inflammatory Memory Of Osimertinib Resistance In Nsclc Cellssion And Paraspeckle Formation In Cancer Stem Cells

Project description:Muc1-C Regulates Neat1 Lncrna Expresmuc1-C Is Essential For Establishing And Recalling Inflammatory Memory Of Osimertinib Resistance In Nsclc Cellssion And Paraspeckle Formation In Cancer Stem Cells

| PRJNA1099190 | ENA

The expression profiles of exosomal miRNAs associated with resistance to osimertinib (AZD9291) in EGFR-mutant NSCLC cells

Project description:Exosomal miRNAs involved in resistance to osimertinib in EGFR-mutant NSCLC cells were successfully identified through the microoarray analysis.

2021-06-15 | GSE165540 | GEO

MUC1-C IS ESSENTIAL FOR INFLAMMATORY MEMORY OF TYROSINE KINASE INHIBITOR RESISTANCE IN NSCLC CELLS

Project description:MUC1-C IS ESSENTIAL FOR INFLAMMATORY MEMORY OF TYROSINE KINASE INHIBITOR RESISTANCE IN NSCLC CELLS

| PRJNA1252146 | ENA

Long non-coding RNA CRNDE Involved in Resistance to EGFR tyrosine kinase inhibitor in EGFR-mutant Lung Cancer via eIF4A3/MUC1/EGFR Signal.

Project description:Introduction: Overcoming of acquired resistance to EGFR-tyrosine kinase inhibitors (EGFR-TKIs) is an intractable obstacle for many clinical oncologists. The mechanisms of resistance to EGFR-TKIs are very complex. Long non-coding RNAs (lncRNAs) may play an important role in cancer development and metastasis. However, the biological process between lncRNAs and drug resistance to EGFR mutated lung cancer largely unknown. Methods: Osimertinib and afatinib-resistant EGFR-mutated lung cancer cells were established using by a stepwise method. Microarray analysis of non-coding and coding RNAs was performed using parental and resistant EGFR-mutant NSCLC cells. Results: Microarray analysis was evaluated by bioinformatics analysis through medical-industrial collaboration. CRNDE and DGCR5 lncRNAs were highly expressed in EGFR-TKIs-resistant cells. CRNDE binds to eIF4A3 protein, down-regulates eIF4A3 and MUC1 expression, and down-regulates p-EGFR expression. CRNDE inhibition activated the eIF4A3/MUC1/EGFR signaling pathway and apoptotic activity and restored sensitivity to EGFR-TKIs. Conclusions: We identified lncRNA CRNDE associated with resistance to EGFR-TKIs in EGFR-mutant NSCLC cells. CRNDE may be a novel therapeutic target for EGFR mutant NSCLC patients.

2021-04-28 | GSE163913 | GEO

The differential gene expression of the lung cancer cell line HCC827 before and after resistance to osimertinib

Project description:Osimertinib, as a third-generation epidermal growth factor receptor-tyrosine kinase inhibitor (EGFR-TKI), has been approved as a first-line therapy in advanced non–small-cell lung cancer (NSCLC) patients with EGFR-activating or T790M resistance mutations. However, the efficacy of osimertinib is limited due to acquired resistance. In order to search for the mechanism of resistance to osimertinib, we screened on significantly upregulated genes encoding protein kinases in osimertinib-resistant NSCLC cells via RNA-sequence.In summary, our data elucidate the alterations in gene expression within lung cancer cells before and after resistance to osimertinib, aiding in the analysis and identification of key molecules influencing osimertinib resistance.

2024-03-30 | GSE262582 | GEO

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