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Intrahepatic CD69+ Vd1 T cells recirculate in the blood of patients affected by liver metastatic colorectal cancer and predict their overall survival

ABSTRACT: Intrahepatic CD69+ Vd1 T cells recirculate in the blood of patients affected by liver metastatic colorectal cancer and predict their overall survival

PROVIDER: PRJNA667484 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR12775300.fastq.gz	Fastqsanger.gz
	SRR12775301.fastq.gz	Fastqsanger.gz
	SRR12775302.fastq.gz	Fastqsanger.gz
	SRR12775303.fastq.gz	Fastqsanger.gz
	SRR12775304.fastq.gz	Fastqsanger.gz

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Intrahepatic CD69+ Vd1 T cells recirculate in the blood of patients affected by liver metastatic colorectal cancer and predict their overall survival

Project description:More than 50% of all patients with colorectal cancer (CRC) develop liver metastasis (CLM) that are characterized by poor prognosis and lack of reliable prognostic markers. Vd1 T cells are gd T innate-like lymphocytes endowed with a broad array of antitumor functions at peripheral tissues, but little is known about their impact in the pathophysiology of CLM. We assessed the phenotype and functions by flow cytometry, clonotype by gdTCR-sequencing, transcriptional profiles by single cell RNA-sequencing and clinical impact of human Vd1 T cells isolated from peripheral blood (PB), tumor-free liver parenchyma surrounding CLM (TFLP) and metastatic tumor (MT) from a large cohort of CLM patients. We show here that CLM tissue is highly enriched of CD69+ Vd1 T effector (TEF) cells in the TFLP area. These cells have a peculiar phenotype, high anti-tumour potential and correlate with a better clinical outcome in terms of lower numbers of liver metastatic lesions and longer overall survival (OS). Moreover, the specific terminally differentiated (TEMRA) CD69+ Vd1 cells can egress CLM tissue to re-circulate in the bloodstream, where they retains high effector functions and show phenotypic/transcriptional and gdTCR profiles that resemble their liver origin. Importantly, high frequencies of CD69+TEMRA Vd1 cells in PB predict a longer OS of CLM patients that is not affected by the neo-adjuvant chemotherapy/immunotherapy regimens administered to CLM patients. The presence at high frequencies of liver memory CD69+TEMRA Vd1 cells in CLM homing to PB represents a new important target to better predict CLM clinical outcomes and to develop novel protocols of adoptive cell transfer therapies.

2023-10-03 | GSE159051 | GEO

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HCL Overall Analysis

Project description:HCL Overall Analysis

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Whole-transcriptome profiling of murine steady state CD69+ and CD69- memory CD8+ T cells from the bone marrow [expression microarray]

Project description:To understand the tissue-resident features of memory CD8+ T cell subpopulations isolated from the bone marrow according to the tissue retention marker CD69, we compared the global gene expression of ex vivo isolated CD69+ and CD69- bone marrow memory CD8+ T cells.

2019-02-11 | GSE124795 | GEO

CD69-dependent gene expression in activated CD4 T cells from the spleen of Mus musculus

Project description:CD69 is a transmembrane protein expressed on the surface of activated leukocyte. The ligand for CD69 and the intracellular signaling pathway of this molecule are yet unknown. It is widely used as a marker of activated lymphocyte, but its function in immune system is not known. We used micro-array to define genes whose expression is regulated by activation antigene CD69. CD4 T cells were isolated from the spleen of wt B6 and CD69-deficient B6 mice and in vitro activated with anti-CD3/anti-CD28 coated beads. On one groupe of wt B6 cells, CD69 was activated using a anti-CD69 and secoundary antibody. RNA extraction and hybridization on Affymetrix microarrays was performed for wt B6, CD69-activated wt B6 and CD69-deficient B6 CD4 T cells.

2011-12-29 | E-GEOD-27706 | biostudies-arrayexpress

Transcription profiling of human CMV-stimulated CD69+, hCMV-stimulated CD69- and unstimulated monoclonal CD4+ T-LGL lymphocytes from peripheral blood samples from four TCRVbeta+/CD4+ T-LGL lymphocytosis patients

Project description:Recent studies suggest the potential involvement of common antigenic stimuli on the ontogeny of monoclonal TCRalphabeta+/CD4+/NKa+/CD8-/+dim T-large granular lymphocyte (LGL) lymphocytosis. Since healthy individuals show (oligo)clonal expansions of hCMV-specific TCRVbeta+/CD4+/cytotoxic/memory T-cells, we investigate the potential involvement of hCMV in the origin and/or expansion of monoclonal CD4+ T-LGL. A detailed characterization of those genes that underwent changes in T-LGL cells responding to hCMV was performed by microarray gene expression profile (GEP) analysis. Experiment Overall Design: Total RNA was isolated from magnetic-activated cell sorter (MACS)-freshly purified hCMV-stimulated CD69+, hCMV-stimulated CD69- and unstimulated monoclonal CD4+ T-LGL lymphocytes from PB samples from four TCRVbeta+/CD4+ T-LGL lymphocytosis patients (purity of â?¥98%). Briefly, 100 ng of total RNA from each of the 12 purified cell fractions was amplified and labeled using the GeneChip two cycle cDNA synthesis kit and the GeneChip IVT labeling kit (Affymetrix Inc., Santa Clara, CA), respectively. Then it was hybridized to the Human Genome U133 Plus 2.0 Array (Affymetrix). Experiment Overall Design: In parallel, total RNA was also isolated from highly purified (â?¥ 98% purity) hCMV-stimulated (specific) CD69+ CD4+ T-lymphocytes isolated from PB samples from hCMV-seropositive healthy donors (n=5, mean age of 36 years) using a FACSAria flow cytometer (BDB). To get pure and highly concentrated RNA, the silica membrane technology NucleoSpinÂ® RNA XS (Macherey-Nagel, DÃ¼ren, Germany) was used. Total RNA was then amplified, labeled and hybridized to the Human Genome U133 Plus 2.0 Array (Affymetrix) as described above.

2008-10-25 | E-GEOD-12488 | biostudies-arrayexpress

CD69-dependent gene expression in activated CD4 T cells from the spleen of Mus musculus

2011-12-29 | GSE27706 | GEO

CD69+ memory T lymphocytes of the bone marrow and spleen express the signature transcripts of tissue-resident memory T lymphocytes

Project description:To understand tissue resident features of memory CD4+ and CD8+ T lymphocytes of the bone marrow and/or spleen according to expressing or not the tissue retention marker CD69, we performed whole transcriptome profiling of ex vivo antigen-specific CD69+ and CD69- memory CD4+ T cells isolated from bone marrow and spleen, and ex vivo CD69+ and CD69- memory CD8+ T cells isolated from bone marrow.

2019-02-11 | GSE124796 | GEO

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Project description:PREDICT 2

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microRNA profile of human intrahepatic cholangiocarcinoma: intrahepatic cholangiocarcinoma vs. normal intrahepatic bile duct tissue

Project description:MicroRNA expression profiles were sucessfully contructed in 63 patients with ICC and 9 normal intrahepatic bile ducts using a custom microarray containing probes for 1094 miRNAs and an outcome prediction of miRNA signature was successfully identified for predicting prognosis in ICC.

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