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CD36 Triggers a non-classical lipid metabolic Program promoting Immune Escape and Resistance to HMA therapy in AML

ABSTRACT: To investigate the effect of decitabine on CD36/NFkB/TLR signaling pathway in MV4-11 cells, and to explore the CD36-dependent signaling pathway regulated by decitabine. We then performed gene expression profiling analysis using data obtained from RNA-seq of 2 different cells at two different treatment.

ORGANISM(S): Homo sapiens

PROVIDER: GSE225384 | GEO | 2024/05/14

REPOSITORIES: GEO

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CD36 impacts the expression of genes in MV4-11 cells

Project description:CD36 impacts the expression of genes in MV4-11 cells

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CD36 impacts the expression of genes in MV4-11 cells

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CD36 Triggers a non-classical lipid metabolic Program promoting Immune Escape and Resistance to HMA therapy in AML

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qRT-PCR analysis of primary CD36+ cells infected with parvovirus B19

Project description:The goal of our present work was to understand the influence parvovirus B19 infection may have on the thyroid hormone signaling pathway, as well as the nuclear receptors (NR) pathway overall. We demonstrated that B19 infection of CD36+ erythroid progenitor cells leads to downregulation of the thyroid hormone receptor α isoform. In addition to that we have shown that B19 infection modulates the expression of other members of the NR superfamily such as estrogen and retinoid receptors. CD36+ cells (StemCell Technologies) were mock-infected or infected with B19, 48 hours post infection cells were collected, total RNA was isolated, and cDNA was obtained as described above. TaqMan® array human nuclear receptors fast 96-well plates obtained from Applied Biosystems (Carlsbad, CA) were utilized in order to assess the differences of 92 nuclear receptors’ expression in mock- and B19-infected CD36+ cells. Relative quantity (RQ) values were calculated using the 2-ΔΔCt method.

2012-11-04 | E-GEOD-42005 | biostudies-arrayexpress

AMSC CD36+ subpopulations

Project description:Adipose-derived MSCs (AMSC) are currently utilized in clinical trials for various diseases including osteoarthritis, amyotrophic lateral sclerosis, and multiple system atrophy. Whilst AMSCs may be defined by the surface expression of classical markers including CD44, CD90, CD105, and absence of CD45, these cells may exhbit donor-to-donor differences in differentiation potential. In this study we evaluated the expression of CD36 amongst AMSCs and utilized magnetic cell sorting to enrich for CD36+ cells. Whole transcriptome RNA-sequencing was performed on unsorted, CD36+ enriched, and CD36+ depleted cells to determine gene expression difference between these populations of cells. CD36 sorted or unsorted cells were then plated and maintained in growth medium. Cells were expanded for 2 passages and passage 8 cells were plated for RNA-sequencing analysis. Trizol reagent was used to harvest cells when they were proliferating cells (~80%) or 100% confluent cells.

2021-11-28 | GSE189525 | GEO

Increasing of antitumor effect of decitabine against classical Hodgkin lymphoma (cHL) by targeting decitabine-activated pro-survival pathways

Project description:We found that 5-Aza-dC/decitabine induces various prosurvival pathways (JAK-STAT-, NFkB-, MEK/ERK- and PI3K/AKTpathway) in cHL cell lines. Inhibition of these pathways with specific small molecular weight inhibitors potentiates the antitumor effect of 5-Aza-dC.

2017-08-01 | GSE86068 | GEO

CD36 ko and WT CD8 T Cells

Project description:To investigate the role of cd36 on CD8 T cells,we did RNAseq to find the difference between CD36 ko and WT CD8 T Cells

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Single cell RNA sequencing of peritoneal cells from macrophage-Cd36-/- and macrophage-Cd36 fl/fl mice at the resolution phase of sterile inflammation.

Project description:Monocytes and macrophages as components of innate immunity are critical for both homeostasis and inflammation. The scavenger receptor CD36, highly expressed in macrophages, promotes immunological responses mediated by recognition of molecular patterns on pathogens or endogenous ligands on apoptotic cells. CD36 mediated lipid uptake also allows metabolic adaptations that influence macrophage phenotype and polarization. CD36 binds diverse lipids including fatty acids and various lipoproteins, which could exert differential effects on macrophage conversion. Previous studies reported opposite outcomes due to CD36-mediated lipid uptake; macrophages converted to either an inflammatory or an alternatively activated phenotype. To determine the role of this receptor in vivo in the presence of physiological lipid sources, we created macrophage-specific CD36 knockout mice. Using zymosan-induced peritonitis to activate immune cells, we show through single cell RNA sequencing analysis that a broad variety of resident and infiltrated immune cells are present in the peritoneum 72h after the initial stimulus. CD36 deficiency did not affect the numbers of cells during the infiltration and resolution phases, but CD36 deficiency altered the macrophage transcriptome. Pathways related to innate immunity, antigen presentation and oxidative phosphorylation were upregulated in macrophages with CD36 deficiency, whereas those related to efferocytosis, adaptive immunity and B cell activation were downregulated. Despite these gene changes, neither immunoglobulin production nor peritoneal efferocytosis was altered by macrophage CD36 deficiency, nor were there changes in the numbers of circulating white blood cells. Thus, CD36 deficiency does not reduce the inflammatory phenotype of induced peritoneal macrophages.

2024-05-31 | GSE210795 | GEO

CD36 deficiency causes intestinal extracellular matrix disruption and chronic neutrophil

Project description:BACKGROUND & AIMS: The scavenger receptor CD36 has versatile immuno-metabolic actions. CD36 is abundantly expressed in the small intestinal epithelium but its impact on gut homeostasis is unknown. METHODS: Wild type (WT) and CD36-null (CD36KO) mice were fed a chow diet and small intestinal morphology assessed by immunohistochemistry and electron microscopy (EM). Inflammation was evaluated from neutrophil infiltration, expression of cytokines and toll-like receptors. Barrier integrity was determined using FITC-dextran and circulating lipopolysaccharide (LPS). Enterocyte (Ent-CD36KO) and endothelial (EC-CD36KO) CD36 null mice were generated to test contribution of epithelial versus endothelial CD36 to the intestinal phenotype. RESULTS: The small intestine of CD36KO mice fed a chow diet showed abnormal remodeling of the extracellular matrix (ECM) with altered expression of ECM and junction proteins. Hypertrophy of cell junctions and basement membranes was observed by EM. The CD36KO intestines displayed neutrophil infiltration, inflammation and compromised barrier function. Systemic leukocytosis and neutrophilia were present in CD36KO mice and there was 80% reduction of anti-inflammatory Ly6Clow monocytes important for ECM regulation and tissue repair. Bone marrow transplants supported primary contribution of tissue injury in initiation of inflammation. Studies with Ent-CD36KO mice did not support a major contribution of enterocyte CD36 while endothelial CD36 deficiency associated with neutrophil infiltration, aberrant expression of tight junctions and inflammation in the small intestine. CONCLUSION: CD36 is important for maintenance of barrier function in the small intestine. CD36 deletion causes ECM remodeling with collagen accumulation, depletion of the Ly6Clow monocyte subset and chronic inflammation. Endothelial but not enterocyte CD36 loss is a significant contributor to the spontaneous inflammation.

2016-10-01 | GSE73569 | GEO

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