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GenomicsIdentification and Characterization of Enhancers Controlling the Inflammatory Gene Expression Program in Macrophages
Enhancers determine tissue-specific gene expression programs. Enhancers are marked by high histone H3 lysine 4 mono-methylation (H3K4me1) and by the acetyl-transferase p300, which has allowed genome-wide enhancer identification. However, the regulatory principles by which subsets of enhancers become...
ORGANISM(S): Mus musculus 
2010-03-05 | E-GEOD-19553 | biostudies-arrayexpress
GenomicsTranscriptional regulation of germinal center B and plasma cell fates by dynamical control of IRF4 (ChIP-seq)
Temporal analysis of Irf4 and PU.1 genome binding during B cell activation and differentiation in vitro using antigen (NP-Ficoll) CD40L and IL-2/4/5 cytokines (see Molecular Systems Biology 7:495 for details of cellular system). The results provide insight in the target genes and binding specificity...
ORGANISM(S): Mus musculus 
2013-05-04 | E-GEOD-46607 | biostudies-arrayexpress
TranscriptomicsEnvironment Drives Selection and Function of Enhancers Controlling Tissue-Specific Macrophage Identities
Macrophages reside in essentially all tissues of the body and play key roles in innate and adaptive immune responses. Distinct populations of tissue macrophages also acquire context-specific functions that are important for normal tissue homeostasis. To investigate mechanisms responsible for tissue-...
ORGANISM(S): Mus musculus 
2014-12-04 | E-GEOD-62826 | biostudies-arrayexpress
GenomicsCo-regulation of transcription factor binding and nucleosome occupancy through DNA features of mammalian enhancers
In mammalian cells transcription factors (TFs) preferentially bind sites contained in regions of high nucleosomal occupancy, as determined by nucleotide-dependent computational analysis. This observation suggests that nucleosomes may act as gatekeepers of TF binding sites. We hypothesized that in ma...
ORGANISM(S): Mus musculus 
2014-05-08 | E-GEOD-50762 | biostudies-arrayexpress
GenomicsMutant Huntingtin promotes neuronal death through cell autonomous microglial activation via myeloid lineage- determining factors
Huntington's Disease (HD) is a fatal neurodegenerative disorder caused by an extended polyglutamine repeat in the N-terminus of the huntingtin (Htt) protein. Reactive microglia and elevated cytokine levels are observed in the brains of HD patients, but the extent to which neuroinflammation results f...
ORGANISM(S): Mus musculus 
2014-03-02 | E-GEOD-54443 | biostudies-arrayexpress
GenomicsPruning of the adipocyte cistrome by hematopoietic master regulator PU.1 (ChIP-seq)
"Master" transcription factors are the gatekeepers of lineage identity. As such, they have been a major focus of efforts to manipulate cell fate for therapeutic purposes. The ETS transcription factor PU.1 has a potent ability to confer macrophage phenotypes on cells already committed to a ...
ORGANISM(S): Mus musculus 
2013-06-27 | E-GEOD-48343 | biostudies-arrayexpress
GenomicsNatural genetic variation perturbs collaborative transcription factor binding required for enhancer selection and function
Natural genetic variation between two mouse strains was used as a natural mutagenesis screen to test various aspects of the proposed model for enhancer selection and function. Chromatin marks H3K4me2, H3K27Ac, and transcription factors PU.1, C/EBPa, and p65 were assessed by ChIP-Seq and GRO-Seq and ...
ORGANISM(S): Mus musculus 
2013-10-15 | E-GEOD-46494 | biostudies-arrayexpress
MetabolomicsMetabolomic analysis of alfalfa (Medicago sativa L.) root-symbiotic rhizobia responses under alkali stress
Alkaline salts (e.g., NaHCO3 and Na2CO3) causes more severe morphological and physiological damage to plants than neutral salts (e.g., NaCl and Na2SO4) due to differences in pH. The mechanism by which plants respond to alkali stress is not fully understood, especially in plants having symbotic relat...
2018-07-27 | MTBLS481 | MetaboLights
MetabolomicsAge-, sex- and proximal-distal-resolved multi-omics identifies regulators of intestinal aging in non-human primates.

The incidence of intestinal diseases increases with age, but the regulators of gut aging and the molecules linking gut aging and diseases remain largely unknown. By profiling the transcriptome, proteome, phosphoproteome and metabolome of 104 Macaca fascicularis large intestinal tissues, ...

2023-12-14 | MTBLS7612 | MetaboLights
UnknownRacah materials: role of atomic multiplets in intermediate valence systems.
Not available
S-EPMC4614842 | biostudies-literature
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