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Tumor infiltrating exhausted CD8+ T cells dictate divergent survival outcomes in pre- versus post-menopausal estrogen receptor-positive breast cancer

ABSTRACT: Tumor infiltrating exhausted CD8+ T cells dictate divergent survival outcomes in pre- versus post-menopausal estrogen receptor-positive breast cancer

PROVIDER: PRJNA786331 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR17134428_1.fastq.gz	Fastqsanger.gz
	SRR17134428_2.fastq.gz	Fastqsanger.gz
	SRR17134429_1.fastq.gz	Fastqsanger.gz
	SRR17134429_2.fastq.gz	Fastqsanger.gz
	SRR17134430_1.fastq.gz	Fastqsanger.gz

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Tumor infiltrating exhausted CD8+ T cells dictate divergent survival outcomes in pre- versus post-menopausal estrogen receptor-positive breast cancer

Project description:CD8+ tumor infiltrating lymphocytes (TILs) are associated with improved survival in triple negative breast cancer (TNBC), yet have no association with survival in estrogen receptor-positive (ER+) BC. The basis for these contrasting findings remains elusive. We identify subsets of BC tumors infiltrated by CD8+ T cells with characteristic features of exhausted T cells (TEX). Tumors with abundant CD8+ TEX exhibit a distinct tumor microenvironment marked by amplified interferon-γ signaling related pathways and higher PD-L1 expression. Paradoxically, high levels of CD8+ TEX TILs associate with decreased overall survival ER+ BC patients, but not TNBC patients. Moreover, high tumor expression of a CD8+ TEX signature identifies dramatically reduced survival in pre-menopausal, but not post-menopausal, ER+ BC patients. Finally, we demonstrate the value of a tumor TEX signature score in identifying high-risk pre-menopausal ER+ BC patients amongst those with intermediate Oncotype Dx breast recurrence scores. Our data highlight the complex relationship between CD8+ TILs, interferon-γ signaling, and estrogen receptor status in BC patient survival. This work identifies pre-menopausal ER+ BC patients with high levels of tumor infiltrating CD8+ TEX as a high-risk subset that may benefit from immunotherapy strategies.

2022-02-23 | GSE190202 | GEO

Tumor infiltrating CD8+ Tex cells dictate divergent survival outcomes in pre- vs post-menopausal ER+ breast cancer

Project description:Tumor infiltrating CD8+ Tex cells dictate divergent survival outcomes in pre- vs post-menopausal ER+ breast cancer

| PRJNA786200 | ENA

Tumor infiltrating CD8+ Tex cells dictate divergent survival outcomes in pre- vs post-menopausal ER+ breast cancer

Project description:We identify subsets of BC tumors infiltrated by CD8+ T cells with characteristic features of exhausted T cells (TEX). Tumors with abundant CD8+ TEX exhibit a distinct tumor microenvironment marked by amplified interferon-γ signaling related pathways and higher PD-L1 expression.

2022-02-23 | GSE190169 | GEO

Single-cell RNA-seq of human breast tumor samples with exhausted and non-exhausted immune environments

Project description:Fresh human breast tumor tissue was dissociated into single cells and viably frozen. Patient samples were annotated as having an ""exhausted"" or ""non-exhausted"" immune environment based on CyTOF characterization of T cell phenotypes (Wagner et al, Cell 2019). 14 samples (7 exhausted, 7 non-exhausted) were selected for scRNA-seq (without prior cell type enrichment) with the goal to compare the two immune environment types and to comprehensively characterize exhaustion-associated features of the tumor microenvironment.

2023-08-25 | E-MTAB-10607 | biostudies-arrayexpress

Control vs. Menopausal kidney cortex

Project description:Gene expression in kidney cortex of control mice and menopausal mice 8 weeks after mice entered menopause. Menopause was induced by injection of 4-vinylcyclohexene diepoxide.

2010-09-14 | GSE20703 | GEO

Control vs. Menopausal kidney cortex

Project description:Gene expression in kidney cortex of control mice and menopausal mice 8 weeks after mice entered menopause. Menopause was induced by injection of 4-vinylcyclohexene diepoxide. Samples = 12

2010-09-14 | E-GEOD-20703 | biostudies-arrayexpress

Diabetic vs. Menopausal/diabetic kidney cortex

Project description:Gene expression in kidney cortex of diabetic mice and menopausal diabetic mice following 6 weeks of diabetes. Diabetes was induced with low-dose streptozotocin injections and menopause was induced by injection of 4-vinylcyclohexene diepoxide.

2010-09-14 | GSE20702 | GEO

Tumor-infiltrating gamma delta T-cells reveal exhausted subsets with remarkable heterogeneity in colorectal cancer

Project description:Tumor-infiltrating gamma delta T-cells reveal exhausted subsets with remarkable heterogeneity in colorectal cancer

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Diabetic vs. Menopausal/diabetic kidney cortex

2010-09-14 | E-GEOD-20702 | biostudies-arrayexpress

CpG islands and GC content dictate nucleosome depletion in a transcription independent manner at mammalian promoters

Project description:This SuperSeries is composed of the following subset Series: GSE38560: CpG islands and GC content dictate nucleosome depletion in a transcription independent manner at mammalian promoters (RNA-seq) GSE38561: CpG islands and GC content dictate nucleosome depletion in a transcription independent manner at mammalian promoters (ChIP-seq) GSE38562: CpG islands and GC content dictate nucleosome depletion in a transcription independent manner at mammalian promoters (genomic SEQ) GSE38563: CpG islands and GC content dictate nucleosome depletion in a transcription independent manner at mammalian promoters (MNase-seq) GSE38564: CpG islands and GC content dictate nucleosome depletion in a transcription independent manner at mammalian promoters (5) Refer to individual Series

2012-06-11 | E-GEOD-38577 | biostudies-arrayexpress

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