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Expression profiling of Dicer loss-of-function macrophages

ABSTRACT: The role of microRNAs in the inflammatory response of macrophages to LPS was adressed by expression analysis in DicerKO (LysMcre/+;Dicerfl/fl;ApoE-/-) vs wildtype (LysMcre/+;Dicer+/+ApoE-/-) macrophages when challenged either with vehicle (PBS) or LPS.

ORGANISM(S): Mus musculus

PROVIDER: GSE106854 | GEO | 2018/05/25

REPOSITORIES: GEO

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IL-4 stimulation of Dicer deficient bone-marrow derived macrophages in vitro

Project description:Macrophages were derived from the bone-marrow of 3 x fl/+ Dicer LysCre +/- (wild-type) and 3 x fl/fl Dicer LysCre +/- mice and stimulated with IL-4 (50ng/mL) for 72h. Total RNA was isolated and analyzed by gene array. In this experiment, we derived Dicer deficient bone-marrow macrophages using Dicer fl/+ LysM-Cre by Dicer fl/+ crossed mice to obtain Dicer fl/fl LysM-cre progeny (and Dicer deficient macrophages). Next, we studied the effects of IL-4 stimulation in macrophage with a deficiency in Dicer/microRNAs.

2012-03-17 | E-GEOD-36585 | biostudies-arrayexpress

Ago2-RIP-chip in Dicer WT and KO macrophages

Project description:To determine the spectrum of miRNA targets regulated following Dicer deletion, we performed argonaute 2 (AGO2)-RNA Immunoprecipitation (RIP)-microarray in bone marrow-derived macrophages (BMDMs) from LysM-Cre/Dicerflox/flox/Apoe–/– and LysM-Cre/Dicerwt/wt/Apoe–/– mice. This analysis combined with miRNA profiling in Dicer wild type (WT) and knockout (KO) BMDMs may help to identify the miRNA targets regulated by Dicer deletion.

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IL-4 stimulation of Dicer deficient bone-marrow derived macrophages in vitro

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Importance of Atg5, Atg16L1 and Atg7 in mouse bone marrow-derived macrophages infected for 48h with M. tuberculosis Erdman

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Expression data from LysMCre/Cre and KLF2∆/∆ (LysMCre/Cre: KLF2 FL/FL) primary peritoneal macrophages treated with LPS for 6hours

Project description:Gene expression profile of LysMCre/Cre and KLF2∆/∆ primary peritoneal macrophages following 6 hours of LPS treatment. We used microarrays to detail the global program of gene expression following LPS stimulation of LysMCre/Cre and KLF2∆/∆ primary peritoneal macrophages. We identified distinct classes of genes that were altered following LPS stimulation.

2012-04-16 | GSE26727 | GEO

Mus musculus

Project description:Expression data from LysMCre/Cre and KLF2∆/∆ (LysMCre/Cre: KLF2 FL/FL) primary peritoneal macrophages treated with LPS for 6hours

| PRJNA136141 | ENA

Transcription profiling by array of LysMCre/Cre and KLF2?/? (LysMCre/Cre: KLF2 FL/FL) primary peritoneal macrophages treated with lipopolysaccharide (LPS) for 6 hours

Project description:Gene expression profile of LysMCre/Cre and KLF2?/? primary peritoneal macrophages following 6 hours of LPS treatment. We used microarrays to detail the global program of gene expression following LPS stimulation of LysMCre/Cre and KLF2?/? primary peritoneal macrophages. We identified distinct classes of genes that were altered following LPS stimulation. We injected 3 pairs of LysMCre/Cre (n=3) and KLF2?/? (n=3) mice with 2 ml of thioglycolate broth intraperitoneally. After 72 hours of thioglycolate injection, total cell suspension from peritoneal cavity were collected. These cells were seeded on 100mm tissue culture plates. Cells were allowed to attach for 4 hours and unattached cells were removed by washing with cell culture medium. These cells were placed in humidified incubator for additional 24 hours before LPS treatment. LPS was diluted to final concentration of 100ng/ml in culture medium and this medium was placed on peritoneal macrophages derived from LysM Cre/Cre and KLF2?/? mice for 6hours. Cells were lysed and total RNA was isolated and subjected to hybridization on Affymetrix microarrays.

2012-04-15 | E-GEOD-26727 | biostudies-arrayexpress

Transcription profiling of Langerhans cells isolated from CD11c-Cre x Dicer wt/wt and Dicer fl/fl mice to investigate Dicer-dependent miRNA deficiency

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2018-05-23 | GSE87718 | GEO

Genome-wide anyalysis of gene expression during prolonged endotoxin tolerance in Aoah -/- mice

Project description:Analysis of gene expression in explanted peritoneal macrophages from Aoah -/- and Aoah +/+ mice treated with LPS 21 days prior to harvest. Explanted peritoneal machrophages were challenged with LPS or control (PBS). The study seeks to characterize global gene expression in the state of prolonged LPS tolerance induced in mice lacking the LPS-inactivating enzyme Aoah. Groups of 9 C57BL/6 Aoah+/+ or Aoah-/- mice were given i.p. injections of 10 µg E. coli LPS/mouse. Twenty-one days later (when Aoah-/- mice remain tolerant and Aoah+/+ mice have recovered), peritoneal macrophages were harvested and the yields from three mice were pooled to form 3 samples per group (i.e., three samples of Aoah+/+ and Aoah-/- mice, with each sample comprised of peritoneal macrophages from 3 mice). Next day, cells were challenged with LPS or PBS and whole RNA was isolated 2 hours later and used for microarray experiments.

2012-08-17 | E-GEOD-40154 | biostudies-arrayexpress

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