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Two faces of polarized macrophages: differential effects of M1 and M2 macrophage subtypes on lung cancer progression

ABSTRACT: Macrophages in tumor microenvironment have been characterized as M1- and M2-polarized subtypes. This study sought to investigate the effects of different macrophage subtypes on the biological behavior and global gene expression profiles of lung cancer cells. Expression microarray and bioinformatics analyses indicated that the different macrophage subtypes mainly regulated genes involved in cell cycle, cytoskeletal remodeling, coagulation, cell adhesion and apoptosis pathways in A549 cells, a pattern that correlated with the altered behavior of A549 cells observed after coculture with macrophage subtypes. We used microarrays to identify the global gene alterations in lung cancer cells A549 after culture in conditioned media from different subtype macrophages.

ORGANISM(S): Homo sapiens

PROVIDER: GSE50658 | GEO | 2016/08/25

SECONDARY ACCESSION(S): PRJNA218204

REPOSITORIES: GEO

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Microarray of non-polarized and M1- and M2-polarized canine macrophages in vitro

Project description:Unstimulated (M0), M1-polarized (GM-CSF, LPS, IFNÎ³-stimulated), and M2-polarized (M-CSF, IL-4-stimulated) canine blood-derived macrophages were generated in vitro and investigated for differences in their transcriptome to create a basis for future investigations upon the role of macrophage polarization in dogs, a species, which has emerging importance for translational research.

2017-08-10 | E-MTAB-5458 | biostudies-arrayexpress

Genome-wide analysis of M1 and M2 polarized macrophages with CNI-1493 treatment

Project description:Analysis of the effects of CNI-1493 treatment on M1 and M2 polarized macrophages. The purpose of this microarray is to identify genes that may be differentially expressed in M1 or M2 macrophages after treatment with CNI-1493. CNI-1493 is a known inhibitor of M1 macrophages but details of its molecular mechanism are unknown. The effect of CNI-1493 on M2 macrophages has yet to be explored, but we hypothesize that CNI-1493 treatment will attenuate pro-tumor properties of M2 macrophages. We demonstrate with this array that known macrophage markers are unchanged after treatment with CNI-1493, indicating that CNI-1493 does not change the macrophage phenotype on a transcriptional level. Additionally, no candidate genes to suggest how CNI-1493 may attenuate the pro-tumor effects of M2 macrophages are readily identifiable. Total RNA extracted from M1 or M2 macrophages after polarization with GM-CSF (25ng/ml) or M-CSF (25ng/ml) for 7 days, followed by addition of IFN-γ (20ng/ml) and LPS (100ng/ml) or IL-4 (40ng/ml) for 18 hours, respectively, from CD14+ human PBMCs, and treated with CNI-1493 (200nM)

2015-03-12 | E-GEOD-66805 | biostudies-arrayexpress

Genome-wide analysis of M1 and M2 polarized macrophages with CNI-1493 treatment

2015-03-12 | GSE66805 | GEO

Differentially polarized human monocyte-derived macrophages (M0, M1, M2/IL10, M2/IL4, TAM-like)

Project description:In order to assess whether differences in the transcriptomic profile of human tumor-associated macrophages vs. alveolar macrophages from adjacent non-tumor-tissue (GSE162669) were caused by factors secreted by tumor cells, primary human monocyte-derived macrophages (MDMs) were polarized towards a TAM-like phenotype by cultivating them in tumor cell-conditioned medium. A genome-wide comparison by bulk RNA-Seq confirmed a high similarity of ex vivo TAMs and in vitro polarized TAM-like macrophages. Other polarization schemes (M1: LPS/IFN-gamma, M2: IL10 or IL4) did not lead to similar transcriptomic changes. For details, see Hoppstädter et al., 2021 (doi:10.1016/j.ebiom.2021.103578).

2021-09-25 | GSE162698 | GEO

MiR expression profiles in M1-polarized compared with unstimulated (MÐ¤) bone marrow-derived macrophage cells

Project description:The global change of the miR expression profile during atherosclerosis is due to the infiltration of different types of leukocytes into the arterial vessel wall in addition to disease-specific regulation in vascular cells. Monocyte-derived macrophage accumulation in the subintimal region is critical in the formation of atherosclerotic plaques. It is currently unknown which miRs are involved in the atherogenic macrophage response. The comparison of the miR expression profile in LPS/Interferon-gamma activated mouse macrophages with the miR expression in the unstimulated mouse macrophages was performed to detect M1-type macrophage-enriched miRs. This screening combined with our miR profiling in atherosclerotic vessels may help to identify M1-type macrophage-enriched miRs in atherosclerotic vessels that may play a role in the macrophage function during atherogenesis. Bone marrow cells were harvested from femura of 6- to 8-week-old female C57BL/6 mice, re-suspended in DMEM-F12/10% FCS/10% L929-conditioned medium, and cultured for 7 days to differentiate into primary macrophages. F4/80 and CD11b expression was determined by flow cytometry to confirm the macrophage phenotype. Macrophages were stimulated with LPS (100ng/ml, 14 hours) and INF-g (10ng/ml, 6 hours), and the M1 polarization was verified by quantification of mannose receptor C type 1 (MRC1), arginase II (ArgII), inducible nitric oxide synthase (iNOS), and arginase I (ArgI) by qRT-PCR. Total RNA (M1-type and unstimulated (MÐ¤) macrophages) was isolated using the mirVana microRNA Isolation Kit.

2012-12-26 | E-GEOD-33453 | biostudies-arrayexpress

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2014-11-14 | E-GEOD-63245 | biostudies-arrayexpress

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2023-10-19 | PXD030277 | Pride

Identification of downregulated microRNA in a gastric cancer cell line co-cultured with M1- or M2-polarized macrophage

Project description:We showed that co-culture with TAMs triggered Bmi1 expression in gastrointestinal cancer cell lines. miRNAs have been found to target various oncogenes and tumor suppressors. We therefore hypothesized that the regulation of Bmi1 expression in gastrointestinal cancer cells may be mediated by miRNAs using miRNA microarray analysis. THP-1 cells were seeded in the transwell inserts (3540, Corning) for 6-well plates (1 M-CM-^W 106 cells/well). For preparation of M1-polarized THP-1 macrophages, 320 nM phorbol myristate acetate (PMA) was added to THP-1 cells for 6 h, followed by PMA plus 20 ng/ml interferon (IFN)-M-NM-3 and 100 ng/ml lipopolysaccharide for the following 18 h. For preparation of M2-polarized THP-1 macrophages, 320 nM PMA was added to THP-1 cells for 6 h, followed by PMA plus 20 ng/ml interleukin (IL)-4/IL-13 for the following 18 h. After three washes to remove cytokines, M1- or M2-polarized THP-1 macrophages were co-cultured in upper inserts with AGS cells in 6-well plates (1 M-CM-^W 105 cells/well) without direct contact, in each medium without 10% FBS as described above. After 24 h of co-culture, the upper inserts containing macrophages were discarded. AGS cells were collected and analyzed to identify downregulated microRNA in a gastric cancer cell line co-cultured with M1- or M2-polarized macrophage.

2013-09-05 | E-GEOD-50601 | biostudies-arrayexpress

Gene expression profiles from murine BALB/c macrophages at the extremes of the M1 and M2 polarized phenotypes

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2018-01-01 | GSE81922 | GEO

MiR expression profile in M1-polarized bone marrow derived macrophage cells compared with normal mouse aortic tissue.

Project description:The global change of the miR expression profile during atherosclerosis is due to the infiltration of different types of leukocytes into the arterail vessel wall in addition to disease-specific regulation in vascular cells. Monocyte-derived macrophage accumulation in the subintimal region is critical in the formation of atherosclerotic plaques. It is currently unknown which miRs are involved in the atherogenic macrophage response. The comparison of the miR expression profile in LPS/Interferon-gamma activated mouse macrophages with the miR expression in the normal aortic vessel wall was performed to detect macrophage-enriched miRs. This screening may help to identify macrophage-enriched miRs in atherosclerotic vessels that may play a role in the macrophage function during atherogenesis. Bone marrow cells were harvested from femura of 6-8 week old female C57BL/6 mice, re-suspended in DMEM-F12/10% FCS/10% L929-conditioned medium, and cultured for 7 days to differentiate into primary macrophages. F4/80 and CD11b expression was determined by flow cytometry to confirm the macrophage phenotype. Macrophages were stimulated with LPS (100ng/ml, 14 hours) and INF-g (10ng/ml, 6 hours) and the M1 polarization was verified by quantification of mannose receptor C type 1 (MRC1), arginase II (ArgII), inducible nitric oxide synthase (iNOS), and arginase I (ArgI) by qRT-PCR. Total RNA (M1-type macrophages and aorta tissue) was isolated using mirVana microRNA Isolation Kit.

2014-01-01 | E-GEOD-26556 | biostudies-arrayexpress

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