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Expression data from sorted monoyctes/macrophages

ABSTRACT: Tissue injury, such as incisional wound, results in an inflammatory response as well as acute to chronic mechanical and thermal pain. It is now understood that there is a strong contribution of these immune cells to the pain phenotype. We used microarray analysis of sorted CD11b+Ly6G- myeloid cells extracted from the mouse hindpaw 24h after incisional wound to identify distinct classes of upregulated genes.

ORGANISM(S): Mus musculus

PROVIDER: GSE73667 | GEO | 2015/11/06

SECONDARY ACCESSION(S): PRJNA297593

REPOSITORIES: GEO

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Expression data from sorted monoyctes/macrophages

Project description:Tissue injury, such as incisional wound, results in an inflammatory response as well as acute to chronic mechanical and thermal pain. It is now understood that there is a strong contribution of these immune cells to the pain phenotype. We used microarray analysis of sorted CD11b+Ly6G- myeloid cells extracted from the mouse hindpaw 24h after incisional wound to identify distinct classes of upregulated genes. CD11b+Ly6G- myeloid cells were sorted by expression of Ly6C (high, medium, and low) and used for microarray analysis. All sorted cells were collected on the same day to reduce variability.

2015-11-06 | E-GEOD-73667 | biostudies-arrayexpress

C57BL/6 substrain differences in inflammatory and neuropathic nociception and genetic mapping of a major quantitative trait locus underlying acute thermal nociception

Project description:Sensitivity to different pain modalities has a genetic basis that remains largely unknown. The use of closely related inbred mouse strains can facilitate gene mapping of nociceptive behaviors in preclinical pain models. We previously reported enhanced sensitivity to acute thermal nociception in C57BL/6J (B6J) versus C57BL/6N (B6N) substrains. Here, we expanded on pain phenotypes and observed an increase in inflammatory nociceptive behaviors induced by hindpaw formalin injections in B6J versus B6N mice (Charles River Laboratories). No strain differences were observed in mechanical or thermal hypersensitivity or in paw diameter following the Complete Freund s Adjuvant (CFA) model of inflammatory pain, indicating specificity in the inflammatory nociceptive stimulus. In the chronic nerve constriction injury (CCI), a model of neuropathic pain, no strain differences were observed in baseline mechanical threshold or in mechanical hypersensitivity up to one month post-CCI. We replicated the enhanced thermal nociception in B6J mice in the 52.5 C hot plate test relative to B6N mice from The Jackson Laboratory. Using a B6J x B6N-F2 cross (N=164), we mapped a major QTL underlying hot plate sensitivity to chromosome 7 that peaked at 26 Mb (LOD = 3.81, 8.74 Mb-36.50 Mb) that was more pronounced in males. Genes containing expression QTLs (eQTLs) associated with the peak nociceptive marker that have been implicated in pain and inflammation include Ryr1, Cyp2a5, Pou2f2, Clip3, Sirt2, Actn4, and Ltbp4 (FDR < 0.05). Future studies involving positional cloning and gene editing will determine the quantitative trait gene(s) and potential pleiotropy of this locus across other pain modalities. RNA-seq data and genotype information from striatum punches of F2 C57BL/6J (B6J) cross C57BL/NJ (B6NJ) oxycodone-treated mice. Genotypes are given relative to B6J allele, eg 0 = homozygous B6J.

2018-11-26 | GSE119719 | GEO

Translation Regulation of the Prolactin Receptor Defines Sexually Dimorphic Pain Responses to Prolactin

Project description:Transcriptional control by gonadal hormone nuclear receptors is the foundation for sex-dependent physiological processes, including pain. Our current findings point to sex-dependent translation control as a new mechanism for sexual dimorphisms in pain. We show that hindpaw or spinal administration of exogenous prolactin (PRL) induces thermal and mechanical hyperalgesia in a female-selective fashion. Unexpectedly, PCR and transcriptomic analysis of hindpaw and dorsal root ganglion (DRG) tissues reveal no differences in PRL receptor (Prlr) mRNA between sexes. Variance in overall hindpaw and DRG transcriptomes between females and males were minor. We find that Prlr mRNA and protein is mainly expressed by peptidergic nociceptors as shown by profiling using Prlr reporter mice and electrophysiology, but there are far more peptidergic neurons with functional Prlr in females than in males. In line with this, exogenous PRL increased excitability only in female neurons. Moreover, in male DRG neurons, 6-24 hr estrogen exposure establishes PRL sensitivity in Prlr mRNA+ male neurons that do not show PRL responses under other conditions. PRL-induced behavioral hypersensitivity as well as sensitivity to PRL in female DRG neurons can be ablated by treatment with cap-dependent translation inhibitor 4EGI-1. Spinal cord immunohistochemistry of Prlr reporter mice highlight that Prlr protein is only found in female DRG neurons, but Prlr mRNA localizes to central terminals of male and female sensory neurons. Based on these findings, we propose a novel mechanism for sex-dependent regulation Prlr mRNA translation that renders female DRG neurons uniquely responsive to PRL.

2019-03-01 | GSE121645 | GEO

Translation Regulation of the Prolactin Receptor Defines Sexually Dimorphic Pain Responses to Prolactin

2023-11-17 | GSE161826 | GEO

Quantitative Temporal in vivo Proteomics (QTiPs) deciphers the transition of inflammatory CD11b+,Ly6G-,Ly6Chigh myeloid cells into M2-like macrophages

Project description:Phenotypic transition of myeloid cells into distinct lineages in vivo is important in pathogen response. To monitor immune cell phenotype transitions in vivo, we developed a quantitative temporal in vivo proteomics (QTiPs) platform, performing multiplexed (10-plex) tandem-mass-tag (TMT)-based mass spectrometry on sorted cells collected from their in situ microenvironment during infection. We temporally characterized a poorly understood, virus-driven CD11b+,Ly6G-,Ly6Chigh-low myeloid cell population throughout an acute phase of infection in both the site of infection and bone marrow. QTiPs, in combination with phenotypic, functional and metabolic analyses, elucidated a pivotal role for inflammatory CD11b+,Ly6G-,Ly6Chigh-low cells in anti-viral immune response and viral clearance. Most importantly, the highly time-resolved QTiPs dataset showed the transition of CD11b+,Ly6G-,Ly6Chigh-low cells into M2-like macrophages which displayed increased antigen presentation capacities and bioenergetic demands late in infection. Our QTiPs approach precisely captures myeloid cell-macrophage transition in this population, and it is a novel platform for measuring temporospatial proteome transitions in vivo.

2017-08-09 | PXD005064 | Pride

RNA-sequencing on sorted tumor-associated macrophages from vehicle or JHU083 pro-drug of 6-Diazo-5-oxo-L-norleucine (glutamine antagonist) treated 4T1 (breast cancer) tumor bearing mice

Project description:RNA-sequencing was performed on sorted tumor-associated macrophages (CD45+7AAD-CD11b+F4/80+CD8-Ly6C-Ly6G-) from 4T1 tumor (murine breast cancer) bearig mice with or without JHU083, pro-drug of 6-Diazo-5-oxo-L-norleucine (glutamine antagonist) treatment for expression profiling

2020-07-08 | GSE119733 | GEO

Single-cell RNA sequencing of CD11b+ Ly6C+ Ly6G- sorted bone marrow cells from radiation control and severe aplastic anemia mice

Project description:During immune-mediated severe aplastic anemia (SAA) monocytes (CD11b+ Ly6C+ Ly6G-) signficantly increase by both frequency and number within the bone marrow. We isolated BM monocytes from F1 hybrid mice (C57BL/6;Balb/c) induced with SAA via the splenocyte-transfer model. We utilized single-cell RNA sequencing (scRNA-seq) to analyze the heterogenity of BM monocytes during SAA.

2023-07-19 | GSE237388 | GEO

Ly6C monocyte subsets transcriptome analysis from wild type and hyperhomocysteinemic mice

Project description:Murine monocytes (MC) are classified into Ly6Chigh and Ly6Clow MC. Ly6Chigh MC is the pro-inflammatory subset and the counterpart of human CD14++CD16+ intermediate MC which contributes to systemic and tissue inflammation in various metabolic disorders, including hyperhomocysteinemia (HHcy). This study aims to explore molecule signaling mediating MC subset differentiation in HHcy and control mice.Mouse white blood cell were prepared from peripheral blood and stained with antibody against CD11b, Ly6G and Ly6C and subjected for flow cytometry cell sorting. CD11b+Ly6G- cells were selected as MC. MC subsets (CD11b+Ly6G-Ly6Chigh, and CD11b+Ly6G-Ly6Clow) were sorted based on Ly6C levels. The quantification of MC was used flow cytometry analysis for Ly6Chigh and Ly6Clow MC in CT and Cbs-/-. Then, 100 ng mRNA were obtained from 100,000 sorted cells of CT and Cbs-/- (HHcy) mice. Around 30 million reads were achived and 16,487 normalized genes per sample by mRNA-Seq analysis.

2021-02-02 | GSE165879 | GEO

Gene expression in sorted myeloid population from mice

Project description:Cells expressing macrophage markers (Cd11b+F4/80+CD169+CX3CR1neg) were sorted from the bone marrow of C57BL/6 mice and their gene expression profile analysed using RNA sequencing. Analysis of the most highly expressed genes revealed a gene expression signature consistent with a granulocyte population (i..e high expression of Ly6g and Cxcr2), rather than macrophages (i.e. low/negligible expression of Adgre1, Cd163 and Mertk). Collectively these data demonstrate that cells which stain positive for conventional macrophage markers exhibit a gene expression signature consistent with cells of the granulocyte lineage.

2022-01-21 | GSE186361 | GEO

miRNA expression profiling in a murine model of KrasG12D induced CMML-like MPD

Project description:Mx1-Cre/KrasG12D mice were injected with pIpC to induce a myeloproliferative disease resembling human chronic myelomonocytic leukemia (CMML-like MPD). When the disease was fully developed, CD11b-/Ly6G-/c-Kit+ hematopoietic stem and progenitor cells (HSPCs) were isolated and subjected to miR-microarray expression profiling. pIpC-injected CD11b-/Ly6G-/c-Kit+ HSPCs of age matched wildytpe control mice were used as controls.

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