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Ribosomal protein S6 Rps6 heterozygous null deletion effect on footpad epidermis

ABSTRACT: Mutant and non-mutant footpad. McGowan et al. in press Keywords: Mutant vs. non-mutant The tissue (footpad epidermis) is from a conditional heterozygous null deletion of Rps6. One copy of Rps6 was deleted from keratinocytes in the skin using the K5.Cre transgene.

ORGANISM(S): Mus musculus

PROVIDER: GSE11331 | GEO | 2008/06/12

SECONDARY ACCESSION(S): PRJNA106657

REPOSITORIES: GEO

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Ribosomal protein S6 Rps6 heterozygous null deletion effect on footpad epidermis

Project description:Mutant and non-mutant footpad. McGowan et al. in press Keywords: Mutant vs. non-mutant The tissue (footpad epidermis) is from a conditional heterozygous null deletion of Rps6. One copy of Rps6 was deleted from keratinocytes in the skin using the K5.Cre transgene. K5Cre x Rps6^loxP

2008-06-12 | E-GEOD-11331 | biostudies-arrayexpress

Effect of conditional deletion of S6 ribosomal protein following partial hepatectomy

Project description:Deletion of the RPS6 gene in mouse liver results in the inhibition of 40S ribosome biogenesis and the failure of hepatocytes to enter S-phase following partial hepatectomy. This microarray experiment was designed to assess the effects of RPS6 deletion on the expression of genes involved in liver regeneration following partial hepatectomy. Keywords: time course, liver RNA was isolated from mouse livers at different time-points following partial hepatectomy. Conditional deletion of the RPS6 gene was perfomed by injecting polyinosinic-polycytidylic acid in mice harbouring a floxed version of the RPS6 gene and a cre recombinase under the regulation of an interferon responsive promoter (MX-CRE). The mice used a control have also a floxed version of the RPS6 gene but lack the cre recombinaste transgene.

2009-05-01 | E-GEOD-13864 | biostudies-arrayexpress

Phosphorylation of Ribosomal Protein S6 differentially affects mRNA translation based on ORF length

Project description:Phosphorylation of Ribosomal Protein S6 (RPS6) was the first post-translational modification of the ribosome to be identified and is a commonly-used readout for mTORC1 activity. Although the cellular and organismal functions of RPS6 phosphorylation are known, its molecular consequences on translation are less well understood. Here we use selective ribosome footprinting to analyze the location of ribosomes containing phosphorylated RPS6 on endogenous mRNAs in cells. We find that RPS6 becomes progressively dephosphorylated on ribosomes as they translate an mRNA. As a consequence, average RPS6 phosphorylation is higher on mRNAs with short coding sequences (CDSs) compared to mRNAs with long CDSs. Loss of RPS6 phosphorylation causes a correspondingly larger drop in translation efficiency of mRNAs with short CDSs than long CDSs. Interestingly, mRNAs with 5’ TOP motifs are translated well also in the absence of RPS6 phosphorylation despite short CDS lengths, suggesting they are translated via a different mode. In sum this provides a dynamic view of RPS6 phosphorylation on ribosomes as they translate mRNAs and the functional consequence on translation.

2021-12-22 | GSE168977 | GEO

Effect of conditional deletion of S6 ribosomal protein following partial hepatectomy

2009-05-01 | GSE13864 | GEO

Ribosomal protein S6 phospho-deficient mice display altered novelty-induced locomotion, synaptic plasticity, and specific mRNA translation

Project description:By high-throughput RNA-seq of heavy polysomal fractions, we report that rpS6 knockin mice, in which the 5 phosphorylatable serines have been replaced by alanines, show an alteration in the translation, but not transcription, of a subset of mRNAs in the nucleus accumbens (NAc) but not in the dorsal striatum (DStr). Gene Ontology analysis revealed that multiple dysregulated mRNAs are related to the mitochondria. Moreover, we described that rpS6 knockin mice also display an alteration in novelty-induced locomotion and synaptic plasticity.

2018-02-23 | GSE98029 | GEO

mRNA expression data from livers of wild-type (WT) mice, mice that lack ribosomal protein S6 (Rps6) (DS6), mice that overexpress c-Myc (Myc) and livers that lack Rps6 and also overexpress c-Myc (DS6 Myc)

Project description:Targeted depletion of ribosomal protein S6 (Rps6) from hepatoblasts of the developing liver results in neonatal sub-lethal hepatic failure due to inhibition of bile duct development and widespread induction of hepatocyte death triggering regeneration. Overexpression of c-Myc is hepatoprotective in the context of Rps6-deficiency and eliminates the need for DS6 livers to regenerate by preventing hepatocyte death. Microarrays were used to identify the transcriptional program associated with loss of hepatic Rps6 and to identify mRNAs associated with c-Myc's hepatoprotective effect in DS6 livers

2023-01-04 | GSE212363 | GEO

Mus musculus

Project description:Ribosomal protein S6 Rps6 heterozygous null deletion effect on footpad epidermis

| PRJNA106657 | ENA

Phosphorylation of Ribosomal Protein RPS6 Integrates Light Signals and Circadian Clock Signals

Project description:The translation of mRNA into protein is tightly regulated by the light environment as well as by the circadian clock. Although changes in translational efficiency have been well documented at the level of mRNA-ribosome loading, the underlying mechanisms are unclear. The reversible phosphorylation of RIBOSOMAL PROTEIN OF THE SMALL SUBUNIT 6 (RPS6) has been known for forty years, but the biochemical significance of this event remains unclear to this day. Here, we confirm using a clock-deficient strain of Arabidopsis thaliana that RPS6 phosphorylation (RPS6-P) is controlled by the diel light-dark cycle with a peak during the day.

2018-08-16 | PXD008125 | Pride

Transcription profiling of mouse model of Epidermolysis bullosa simplex keratin5 knockout epidermis response to doxycycline treatment

Project description:Epidermolysis bullosa simplex (EBS) is a skin disorder caused by mutations in keratin (K) 5 or K14 genes. Little effect therapy is available.Following clinical reports, we applied the small molecule doxycycline to K5-/- mice. We demonstrate that doxycycline extended the survival of neonatal K5-/- mice from less than 1 to up to 8 hours. Microarray and TaqMan real-time PCR showed a downregulation of MMP-13 and IL-1ï¢, indicating an effect of doxycycline on transcription. Our data offer a novel small molecule based therapy approach for EBS. Experiment Overall Design: doxycycline (50 Âµg/mlwith 5 % sucrose) was administered by oral route to pregnant K5+/- females (mated to K5+/- males) starting from E13.5. 5 % sucrose solution was administered to the control group.

2008-06-15 | E-GEOD-7662 | biostudies-arrayexpress

Gene expression profile after doxycycline treatment in keratin5 knockout epidermis

Project description:Epidermolysis bullosa simplex (EBS) is a skin disorder caused by mutations in keratin (K) 5 or K14 genes. Little effect therapy is available.Following clinical reports, we applied the small molecule doxycycline to K5-/- mice. We demonstrate that doxycycline extended the survival of neonatal K5-/- mice from less than 1 to up to 8 hours. Microarray and TaqMan real-time PCR showed a downregulation of MMP-13 and IL-1beta, indicating an effect of doxycycline on transcription. Our data offer a novel small molecule based therapy approach for EBS. Keywords: drug treatment, global gene expression comparative profile

2007-05-01 | GSE7662 | GEO

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