Chronic loss of Lasp1 alters the expression of other genes associated with cell motility/attachment, and/or other cellular functions. Results provide new information showing that loss of Lasp1 leads to up- and down-regulation of genes involved in cell motility/attachment/growth.
Lasp1 gene disruption is linked to enhanced cell migration and tumor formation.
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The alarmin IL-33 promotes regulatory T-cell function in the intestine.
Specimen part
View SamplesIL-23 negatively regulates St2 and Gata3 expression in intestinal CD4+ T cells
The alarmin IL-33 promotes regulatory T-cell function in the intestine.
Specimen part
View SamplesDepending on the tumor type IB kinase (IKK) can act as tumor promoter or tumor suppressor in various malignancies. Here we demonstrate a key function of IKK in the suppression of a tumoricidal microenvironment during intestinal carcinogenesis. Mice deficient in IKK kinase activity are largely protected from intestinal tumor development that is dependent on the enhanced recruitment of IFN expressing M1-like myeloid cells. In IKK mutant mice M1-like polarization is not controlled in a cell autonomous manner but depends rather on the interplay of both IKK mutant tumor epithelia and immune cells.
IKKα promotes intestinal tumorigenesis by limiting recruitment of M1-like polarized myeloid cells.
Specimen part, Time
View SamplesWe performed a microarray experiment to assess the global changes in transcription occurring in leaves and roots of the vitamin B6 deficient pdx1.3 knockout mutant in comparison to WT. Vitamin B6 (pyridoxal 5-phosphate) is an essential cofactor of many metabolic enzymes. Plants biosynthesize the vitamin de novo employing two enzymes, pyridoxine synthase1 (PDX1) and PDX2. In Arabidopsis (Arabidopsis thaliana), there are two catalytically active paralogs of PDX1 (PDX1.1 and PDX1.3) producing the vitamin at comparable rates. Since single mutants are viable but the pdx1.1 pdx1.3 double mutant is lethal, the corresponding enzymes seem redundant.
Consequences of a deficit in vitamin B6 biosynthesis de novo for hormone homeostasis and root development in Arabidopsis.
Specimen part
View SamplesEBF1 is essential for B cell specification and commitment. To explore the dynamics of EBF1 initiated B cell programming, we performed EBF1 ChIP-seq, ATAC-seq, bisulfite-seq, RNA-seq and several histone ChIP-seq analyses at different stages of the transition from Ebf1-/- pre-pro-B to pro-B triggered by EBF1 restoration. We also performed Pax5 ChIP-seq in Ebf1-/- pre-pro-B cell and EBF1-restored pro-B cell to study the pioneering function of EBF1 that allows other transcription factors to access certain chromatin sites. Overall design: Time series RNA-Seq analysis during the differentiation from Ebf1-deficient pre-pro-B cell to EBF1-restored pro-B cell.
Dynamic EBF1 occupancy directs sequential epigenetic and transcriptional events in B-cell programming.
Subject
View SamplesGlucose intolerance and diabetes mellitus are classical parts of endogenous Cushings syndrome (CS), and insulin resistance is a feature of cortisol excess. CS patients display characteristics including hyperglycemia, abdominal obesity, reduced high-density lipoprotein cholesterol levels and elevated triglycerides, and arterial hypertension. Hypercortisolism is a well known cause of bone loss, and patients with CS frequently display low bone mass and fragility fractures. Cortisol excess inhibits bone formation, increases bone resorption, impairs calcium absorption from the gut, and affects the secretion of several hormones, cytokines, and growth factors with potential influence on bone metabolism. Bone biopsies from nine CS patients, before and mean 3 months after surgery, were screened for expressional candidate genes using Affymetrix human Gene Plus 2.0 Arrays. Analyses were performed to identify genes in glucocorticoid-induced osteoporosis and genes in glucose metabolism and energy homeostasis.
The glucocorticoid-induced leucine zipper gene (GILZ) expression decreases after successful treatment of patients with endogenous Cushing's syndrome and may play a role in glucocorticoid-induced osteoporosis.
Sex, Age, Specimen part
View SamplesTranscriptional changes upon elicitor treatment over time (0, 30, 60 min) have been analysed with the A.thaliana Landsberg (wt) and fls2-17 (flagellin receptor mutant).
Perception of the bacterial PAMP EF-Tu by the receptor EFR restricts Agrobacterium-mediated transformation.
Age, Compound, Time
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Subcutaneous adipose tissue gene expression and DNA methylation respond to both short- and long-term weight loss.
Sex, Specimen part, Time
View SamplesTo understand the temporal changes occurring in adipose tissue gene expression during a one-year weightloss intervention, adipose tissue biopsies were collected from 19 healthy obese individuals at three time points.
Subcutaneous adipose tissue gene expression and DNA methylation respond to both short- and long-term weight loss.
Sex, Specimen part, Time
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