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Microarray analysis of the effect of shRNA-mediated HAVCR2 knock-down (KD) in TIM-3-positive AML cell line, KASUMI-3

ABSTRACT: Purpose: To clarify the function of TIM-3 signaling in AML cells. Analysis of lentiviral shRNA-mediated knockdown of TIM-3 in TIM-3+ acute myeloid leukemia (AML) cell line, KASUMI-3. Consistent with our previous study (Kikushige et al., Cell Stem Cell 2015) revealing the presence of TIM-3/galectin-9 autocrine loop and its constitutive signaling in AML, KD of receptor,TIM-3, alone significantly impaired the proliferation of KASUMI-3 in vitro and in vivo.

ORGANISM(S): Homo sapiens

PROVIDER: GSE130328 | GEO | 2019/04/26

REPOSITORIES: GEO

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Gene expression change induced by TIM-3/galectin-9 interaction in primary AML

Project description:Analysis of gene expression change after galectin-9 stimulation in primary CD34+TIM-3+ AML cells Total RNA obtained from purified CD34+TIM-3+ primary AML cells with or without recombinant human galectin-9 stimulation (20hrs) was subjected to transcriptome analysis

2014-10-10 | E-GEOD-62223 | biostudies-arrayexpress

Gene expression change induced by TIM-3/galectin-9 interaction in primary AML

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Microarray analysis of the effect of shRNA-mediated HAVCR2 knock-down (KD) in TIM-3-positive AML cell line, KASUMI-3

Project description:Microarray analysis of the effect of shRNA-mediated HAVCR2 knock-down (KD) in TIM-3-positive AML cell line, KASUMI-3

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TIM-3 on myeloid cells promotes pulmonary inflammation through increased production of galectin-3

Project description:T cell immunoglobulin and mucin-containing molecule 3 (TIM-3) exhibits unique, cell type- and context-dependent characteristics and functions. Here, we report that TIM-3 on myeloid cells plays essential roles in modulating lung inflammation. We found that myeloid cell-specific TIM-3 knock-in (FSF-TIM3/LysM-Cre+) mice have lower body weight and shorter lifespan than WT mice. Intriguingly, the lungs of FSF-TIM3/LysM-Cre+ mice display excessive inflammation and features of disease-associated pathology. We further revealed that galectin-3 levels are notably elevated in TIM-3-overexpressing lung-derived myeloid cells. Furthermore, both TIM-3 blockade and GB1107, a galectin-3 inhibitor, ameliorated lung inflammation in FSF-TIM3/LysM-Cre+/- mice. Using an LPS-induced lung inflammation model with myeloid cell-specific TIM-3 knock-out mice, we demonstrated the association of TIM-3 with both lung inflammation and galectin-3. Collectively, our findings suggest that myeloid TIM-3 is an important regulator in the lungs and that modulation of TIM-3 and galectin-3 could offer therapeutic benefits for inflammation-associated lung diseases.

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CUT&RUN of AML1-ETO binding occupancy following miR-130a KD in Kasumi-1 cells

Project description:We performed CUT&RUN assay with control Ig , anti-Flag and anti-ETO antibodies in Flag-tag AML1-ETO Kasumi-1 cells to determine binding occupancy of AML1-ETO following miR-130a KD. Kasumi-1 cells were transduced in 3 independent replicates for control and miR-130a KD samples with lentiviruses containing GFP reporter gene. GFP+ cells were sorted 3 days post-transduction and the cells were used in the CUT&RUN assay. Three antibodies were used for each biological sample.

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Expression analysis of Tim-3 knockdown RAW264.7 cell

Project description:Investigation of whole genome gene expression level changes in a Tim-3 knockdown RAW264.7 cell, compared to control siRNA transfected RAW264.7 cell. The Tim-3 knockdown of this cell render it hyper-reactive to TLR stimulation. Tim-3 knockdown analyzed in this study are further described in Li Y, Feng J, Geng S, Geng S, Wei H, Chen G, Li X, Wang L, Wang R, Peng H, Han G, Shen B, Li Y. 2011. The N- and C-terminal carbohydrate recognition domains of galectin-9 contribute differently to its multiple functions in innate immunity and adaptive immunity. Mol Immunol. 48(4):670-7. (PID 21146220) A six chip study using total RNA recovered from Tim-3 knockdown and control RAW264.7 cells. There are 135,000 probes in a chip,each chip measures the expression level of 27526 genes of mouse from Nimblegen. Fold-change screening between the two groups obtained from the experiment. The threshold used to screen up or down regulated genes is Fold changeM-oM-<M-^-oM-<M-^]2.0

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GATA-2 occupancy in Kasumi-3 cell line

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Expression analysis of Tim-3 knockdown RAW264.7 cell

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2009-10-15 | E-GEOD-14438 | biostudies-arrayexpress

RNAi profiling of human Kasumi-1 AML1-ETO knockdown samples

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2009-05-11 | E-GEOD-15646 | biostudies-arrayexpress

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