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Investigation about Monocytes in metastatic breast cancer patients under chemotherapy +/- Avastin

ABSTRACT: The goal of this study was to determine if blood circulating monocytes of metastatic breast cancer patient would express a different activation profile compared to healthy donors, in order to use this specific changesas biomarkers to monitor then response to therapy

ORGANISM(S): Homo sapiens

PROVIDER: GSE70404 | GEO | 2017/02/09

SECONDARY ACCESSION(S): PRJNA288542

REPOSITORIES: GEO

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Expression data from intermediate monocytes from healthy donors and autoimmune uveitis patients

Project description:Human peripheral monocytes have been categorized into three subsets based on differential expression levels of CD14 and CD16. However, the factors that influence the distribution of monocyte subsets and the roles which each subset plays in autoimmunity are not well studied. To compare the gene expression profiling 1) on intermediate monocytes CD14++CD16+ monocytes between healthy donors and autoimmune uveitis patients and 2) among 3 monocyte subsets in health donors, here we purified circulating intermediate CD14++CD16+ monocytes from 5 patients with autoimmune uveitis (labeled as P1-5) and 4 healthy donors (labeled as HD1-4) by flow cytometry and isolated total RNA to proceed microarray assay. In addition, we also purified CD14+CD16++ (non-classical monocytes) and CD14++CD16- (classical monocytes) from 4 healthy donors to do microarray. We demonstrate that CD14++CD16+ monocytes from patients and healthy control donors share a similar gene expression profile. The CD14+CD16++ cells (non-classical monocytes) display the most distinctive gene expression profiling when compared to intermediate CD14++CD16+ monocytes and classical CD14++CD16- monocytes.

2015-03-17 | GSE66936 | GEO

Proteome characterization of synovial fluid polarized healthy monocytes

Project description:This project involves proteome characterization of healthy monocytes polarized (activated) with synovial fluid (SF) versus serum from patients with juvenile idiopathic arthritis (JIA). The objective is to investigate the influence of SF on monocytes at the proteome level, using serum polarized monocytes as a control. Monocytes were isolated from peripheral blood mononuclear cells of healthy donors following negative selection and were subsequently polarized overnight with 20% of a pool of either serum or SF. They were subsequently detached and used for proteome analysis.

2023-07-20 | PXD033983 | Pride

Comparative analysis of monocytes from healthy donors, patients with metastatic breast cancer, sepsis or tuberculosis.

Project description:Myeloid-derived suppressor cells (MDSCs) are highly immunosuppressive myeloid cells, which increase in cancer patients. The molecular mechanism behind their generation and function is unclear. Whereas granulocytic-MDSCs correlate with poor overall survival in breast cancer, the presence and relevance of monocytic-MDSCs (Mo-MDSCs) is unknown. Here we report for the first time an enrichment of functional blood Mo-MDSCs in breast cancer patients before they acquire a typical Mo-MDSC surface phenotype. A clear population of Mo-MDSCs with the typical cell surface phenotype (CD14+HLA-DRlow/-Co-receptorlow/-) increased significantly first during disease progression and correlated to metastasis to lymph nodes and visceral organs. Furthermore, monocytes, comprising the Mo-MDSC population, from patients with metastatic breast cancer resemble the reprogrammed immunosuppressive monocytes in patients with severe infections, both by their surface and functional phenotype but also at their molecular gene expression profile. Our data suggest that monitoring the Mo-MDSC levels in breast cancer patients may represent a novel and simple biomarker for assessing disease progression. Peripheral blood monocytes were isolated using magnetic cell sorting from 4 patients with metastatic breast cancer, 3 healthy controls, 3 patients with sepsis and 3 patients with active tuberculosis were immediately frozen at -80C in TRIZOL.

2015-02-03 | E-GEOD-65517 | biostudies-arrayexpress

Human blood monocytes scRNAseq

Project description:scRNAseq of human blood monocytes isolated with magnetic CD14+ beads from two healthy donors.

2022-10-05 | GSE211603 | GEO

Expression data from mouse circulating Ly6C-low subset of monocytes (patrolling monocytes)

Project description:Expression data from mouse circulating Ly6C-low subset of monocytes (patrolling monocytes)

| PRJNA632620 | ENA

Treatment of human monocytes with TLR7 or TLR8 agonists

Project description:Goal was to detect differences in response to TLR7 versus TLR8 agonists in human monocytes from healthy donors 3 deidentified donors from the Red Cross, monocytes from each donor incubated overnight with either vehicle, TLR7 agonist or TLR8 agonist

2014-12-24 | E-GEOD-64480 | biostudies-arrayexpress

Effect of IFNa2 treatment in affecting gene expression in monocytes and the differential gene expression between the monocytes from healthy donors and SLE patients

Project description:To investigate the effect of IFNa2 treatment in CD14+ monocytes, monocytes isolated from healthy donors were treated with or without IFNa2, and SLE monocytes were also harvested for the comparison of the differential expression genes.

2023-01-20 | GSE218492 | GEO

microRNA profiling of human monocytes and monocyte-derived macrophages

Project description:microRNA profiling data includes biological replicates of primary monocytes and macrophages from three human donors Dye swap hybridization arrays were performed for total RNA isolated from fresh monocytes and 7-day monocyte-derived macrophages from each of three human donors

2013-05-10 | E-GEOD-39905 | biostudies-arrayexpress

ChIP-seq of CSF-1R, H3K4me1, H3K4me3 in human primary unstimulated monocytes and monocytes differentiated 72h with CSF-1 (3 healthy donors buffy coat) and in monocytes from two CMML patients and one healthy donor, EGR1 ChIP-seq in unstimulated monocytes (3 healthy donors buffy coat)

Project description:Identification of nuclear CSF-1R, H3K4me1 and H3K4me3 localization on chromatin in human primary monocytes and modification of this localization during monocyte differentiation into macrophage induced by 100ng/mL CSF-1 during 6 hours (1 donor) or 72h (3 donors). Identification of EGR1 chromatin localization in human primary monocytes (3 donors) Comparison of nuclear CSF-1R chromatin localization in monocytes from 1 healthy donor and 2 chronic myelomonocytic leukemia patients.

2019-03-04 | E-MTAB-6305 | biostudies-arrayexpress

ChIP-seq of EGR1 in human primary unstimulated monocytes and in unstimulated human monocytes from three CMML patients

Project description:Identification of EGR1 chromatin localization in human primary monocytes (2 donors), in human primary monocytes from 2 CMML patients with TET2 truncating mutations (high VAF) and in human primary monocytes from 1 CMML patients with TET2 truncating mutations with low VAF.

2021-11-15 | E-MTAB-11132 | biostudies-arrayexpress

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