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Triple therapy reduced metastasis in triple-negative breast cancer

ABSTRACT: Triple therapy reduced metastasis in triple-negative breast cancer

PROVIDER: PRJNA857888 | ENA |

REPOSITORIES: ENA

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Triple therapy reduced metastasis in triple-negative breast cancer.

Project description:Triple therapy reduced metastasis in triple-negative breast cancer.

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Triple therapy reduced metastasis in triple-negative breast cancer

Project description:Purpose: To understand the underlying mechanisms of oncolytic virus therapy in breast cancer. Methods: The primary tumors of 4T1 in BALB/C mice were extracted and analyzed by RNA-seq. Results: In consistent with previous studies, we found some anti-tumor factors were up-regulated. Interestingly, several immunosupressive genes were activited. Conclusion: Our study identified the intercellular and intercellular factors restricting the optimized oHSV efficacy and supported the rationally designed triple therapy for clinical translation.

2025-07-12 | GSE207977 | GEO

Triple therapy reduced metastasis in triple-negative breast cancer.

Project description:Purpose: To understand the underlying mechanisms of oncolytic virus therapy in breast cancer. Methods: The primary tumors of 4T1 in BALB/C mice were exstracted and analyzed by RNA-seq. Results: In consistent with previous studies, we found some anti-tumor factors were up-regulated. Interestingly, several immunosupressive genes were activited. Conclusion: Our study identified the intercellular and intracellular factors restricting the optimized oHSV efficacy and supported the rationally designed triple therapy for clinical translation.

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Project description:Metastasis in triple-negative breast cancer

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Molecular characteristics and metastasis predictor genes of triple-negative breast cancer

Project description:This microarray dataset contains 51 triple-negative breast cancers with clinical and recurrence information for at least 3 years of follow-up and 106 luminal breast cancers (reanalyzed data from Series GSE24124, GSE9309, and GSE17040). A novel set of 45-gene signature that was statistically predictive of distant metastasis recurrence for triple-negative breast cancer was identified in this study.

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KAT6A acetylation of SMAD3 regulates tumor metastasis in triple-negative breast cancer

Project description:Aberrant SMAD3 activation has been implicated as a driving event in cancer metastasis. However, the drivers of SMAD3 activation are poorly defined. Here, we identify SMAD3 as a non-histone substrate of lysine acetyltransferase 6A (KAT6A). The acetylation of SMAD3 at K20 and K117 by KAT6A with promotes SMAD3 association with oncogenic H3K23ac reader TRIM24 and upregulation of immune response-related cytokines. This event in turn leads to enhanced myeloid-derived suppressor cell (MDSC) recruitment and triple-negative breast cancer (TNBC) metastasis. Inhibiting KAT6A in combination with anti-PD-L1 therapy in treating breast cancer xenograft-bearing animals markedly attenuates TNBC metastasis and provides a significant survival benefit. Thus, our work presents an KAT6A acetylation-dependent regulatory mechanism governing SMAD3 oncogenic function and provides insight into how targeting an epigenetic factor with immunotherapies enhances the anti-metastasis efficacy.

2021-11-03 | GSE171230 | GEO

SOX2-OT induced by PAI-1 promotes triple-negative breast cancer cells metastasis

Project description:Triple-negative breast cancer (TNBC) has a relatively aggressive biological behavior and poor outcome. Our published study showed that PAI-1 could induce the migration and metastasis of TNBC cells. However, the underlying mechanism by which PAI-1 regulates TNBC metastasis has not been addressed. Using microarray analysis of lncRNA expression profiles, we identified a lncRNA SOX2-OT, which is by induced by PAI-1 and could function as an oncogenic lncRNA in TNBC.

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RAGE Inhibitor TTP488 (Azeliragon) Reduces Metastasis in Triple-Negative Breast Cancer

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Flt3L therapy induces a Treg‐promoting cDC1 state in triple‐negative breast cancer

Project description:Conventional dendritic cells (cDCs) are at the forefront of activating the immune system to mount an anti‐tumor immune response. Flt3L is a cytokine required for DC development that can increase DC abundance in the tumor when administered therapeutically. However, the impact of Flt3L on the phenotype of distinct cDC subsets in the tumor microenvironment is still largely undetermined. Here, using multi‐omic single‐cell analysis, we show that Flt3L therapy increases all cDC subsets in orthotopic E0771 triple‐negative breast cancer, but this did not result in a reduction of tumor growth. Interestingly, a CD81+migcDC1 population, likely developing from cDC1, was induced upon Flt3L treatment. This subset is characterized by the expression of both canonical cDC1 markers as well as migratory cDC activation and regulatory markers and displayed a higher Treg‐inducing potential compared to other migcDCs. To shift the cDC phenotype towards a T‐cell stimulatory phenotype, CD40 agonist therapy was administered in combination with Flt3L. However, while αCD40 reduced tumor growth, Flt3L failed to improve the therapeutic response to αCD40 therapy. Interestingly, Flt3L+αCD40 combination therapy increased the abundance of Treg promoting CD81+migcDC1. Nonetheless, while Treg‐depletion and αCD40 therapy were synergistic, the addition of Flt3L to this combination did not result in any added benefit. Overall, these results indicate that merely increasing cDCs in the tumor by Flt3L treatment cannot improve anti‐tumor responses and therefore might not be beneficial for the treatment of triple‐negative breast cancer, though could still be of use to increase cDC numbers for autologous DC‐therapy.

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Nuclear receptors and coregulators in triple negative breast cancer

Project description:The underlying mechanisms of how NCOA3 and SHC1 regulate drug response and metastasis of triple negative breast cancer

2020-02-08 | GSE126276 | GEO