BAC 1.2F5 macrophage gene expression
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ABSTRACT:
PROVIDER: PRJNA769104 | ENA |
REPOSITORIES: ENA
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Project description:BAC 1.2F5 macrophages are derived from a clone of the BAC1 SV40 transformed murine macrophage cell line with strong responses to CSF1. They have been shown to interact with breast cancer tumor cells in a paracrine loop. We used microarrays to determine the basal gene expression and expression after incubation with CXCL1 and NRG1
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Project description:Expression of the macrophage immunometabolism regulator gene (MACIR) is associated with severity of autoimmune disease pathology and the regulation of macrophage biology through unknown mechanisms. The 206 amino acid protein lacks homology to any characterized protein sequence and is a disordered protein according to structure prediction algorithms. Here we identify specific interactions of MACIR using a fragment complementation-based affinity pull down of cellular proteins prepared with a membrane solubilization buffer. Quantitative mass spectrometry showed enrichment of nuclear and mitochondrial proteins and of 63 significant interacting proteins, binding to the nuclear transport receptor TNPO1 and trafficking proteins UNC119 homolog A and B were validated by immunoprecipitation. Analysis of mutations in two candidate recognition motifs in the MACIR amino acid sequence confirmed TNPO1 binds via a PY-NLS motif (aa98-117). Characterizing nuclear MACIR activity in macrophage and fibroblasts is a priority with respect to developing strategies for treatment of autoimmune disease.
2020-09-28 | PXD016878 | Pride
Project description:We generated mice with a transgenic BAC on a B6 background. The BAC contains Glo1, and the transgenic mice were found to overexpress Glo1. We performed a microarray on whole-brain RNA of adult mice to identify differentially expressed genes resulting from Glo1 overexpression.
2012-03-27 | GSE36819 | GEO
Project description:P. aeruginosa is the leading cause of death in patients with cystic fibrosis patients and one of the most problematic bacterial pathogens responsible for hospital-acquired infections. This pathogen has a high capacity to form biofilms on inert and living surfaces. This lifestyle allows it to persist in various hospital niches or on medical device which become vectors of contamination. Chronic infections are extremely complicated to eradicate due to the remarkable antimicrobial resistance of biofilms leading to a persistence in the tissue and an immune system exhaustion. It is therefore becoming essential to understand the mechanisms of biofilm formation to find new therapeutic targets in order to develop effective antibiofilm strategies. We previously identified in P. aeruginosa PA01 biofilms an accumulation of a hypothetical protein named PA3731 and its deletion impacted the biofilm formation. Similarly, to PspA, a protein from the well-known Psp system of E. coli, PA3731 is a has a predicted structure mostly helical, a PspA/IM30 domain and was accumulated during an osmotic shock. In P. aeruginosa genome, PA3731 appears to form a cluster with 3 genes (PA3732 to PA3729) that we named BAC system for “Biofilm Associated Cluster”. Here we worked on the PA14 strain and focus our study on PA14_16140, the PA3732 homologue. Using a ∆16140 mutant and phenotypic approach, we confirmed the role of the BAC system in the virulence and biofilm formation. We added supplementary genes coding the BAC system and demonstrate that altogether they form an operonic structure regulates by RpoN. We get further insight the role PA14_16140 by proteomic quantitative approach revealing an accumulation of the BAC system proteins in ∆16140 biofilms suggesting its regulatory role of the bac operon. Moreover, we present here the first crystallographic structure of PA14_16140. To summarise, according to our studies, and although further analysis is still required, this newly discovered operon appears composed firstly of its regulator and then of a homologous PspA.
2024-02-15 | PXD044736 | Pride
Project description:Interventions: Group 1: Quantitative Expression Analysis of the proteom and gene Expression of Primary Tumor, normal tissue, and metastases
Primary outcome(s): Disease associated Proteins and Genes
Study Design: Allocation: ; Masking: ; Control: ; Assignment: ; Study design purpose: basic science
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