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Metabolomicsp53 regulates Chaperone-mediated autophagy

p53 protects against the initiation and progression of a plethora of cancers, but the mechanisms underlying this critical function remain incompletely understood. In addition, chaperone-mediated autophagy (CMA) is major form of autophagy unique to vertebrates, yet both its regulation and function...

2026-10-03 | MTBLS13190 | MetaboLights
MetabolomicsLipin1 deficiency causes sarcoplasmic reticulum stress and chaperone-responsive myopathy
As a consequence of impaired glucose or fatty acid metabolism, bioenergetic stress in skeletal muscles may trigger myopathy and rhabdomyolysis. Genetic mutations causing loss of function of the LPIN1 gene frequently lead to severe rhabdomyolysis bouts in children, though the metabolic alterations an...
2019-01-07 | MTBLS750 | MetaboLights
TranscriptomicsA role for Fkbp6 and the chaperone machinery in piRNA amplification and transposon silencing
Epigenetic silencing of transposons by Piwi-interacting RNAs (piRNAs) constitutes an RNA-based genome defense mechanism. Piwi endonuclease action amplifies the piRNA pool by generating new piRNAs from target transcripts by a poorly understood mechanism. Here, we identified mouse Fkbp6 as a factor in...
ORGANISM(S): Bombyx mori 
2012-09-04 | E-GEOD-39203 | biostudies-arrayexpress
TranscriptomicsHIRA, a Conserved Histone Chaperone, Plays an Essential Role in Low-dose Stress Response via Transcriptional Stimulation in Fission Yeast
Cells that have been pre-exposed to mild stress (priming stress) acquire transient resistance to subsequent severe stress even under different combinations of stresses. This phenomenon is called cross-tolerance. Although it has been reported that cross-tolerance occurs in many organisms, the molecul...
ORGANISM(S): Schizosaccharomyces pombe 
2012-07-21 | E-GEOD-35281 | biostudies-arrayexpress
TranscriptomicsTranscription profiling of hip1::ura4+ and slm9::ura4+ S. pombe to investigate the role of the HIRA histone chaperone complex
The assembly of nucleosomes by histone chaperones is an important component of transcriptional regulation. Here we have assessed the global roles of the S. pombe HIRA histone chaperone complex. Microarray analysis indicates that inactivation of the HIRA complex results in increased expression of at ...
ORGANISM(S): Schizosaccharomyces pombe 
2009-07-22 | E-MTAB-130 | biostudies-arrayexpress
TranscriptomicsEffect of a cardiomyocyte-specific Hira conditional knockout on gene expression in the heart
We performed gene expression profiling by microarray using RNA extracted from healthy free wall left ventricle tissues from control and Hira cardiomyocyte-specific conditional knockout mice at 6 weeks of age. Hira is a histone chaperone responsible for replication-independent incorporation of histo...
ORGANISM(S): Mus musculus 
2016-04-06 | E-GEOD-71833 | biostudies-arrayexpress
TranscriptomicsSelective ribosome profiling reveals the co-translational chaperone action of trigger factor in vivo
As nascent polypeptides exit ribosomes, they are engaged by a series of processing, targeting and folding factors. Here we present a selective ribosome profiling strategy that enables global monitoring of when these factors engage polypeptides in the complex cellular environment. Studies of the Esch...
ORGANISM(S): Escherichia coli 
2011-12-09 | E-GEOD-33671 | biostudies-arrayexpress
TranscriptomicsRNA-seq of HeLa cells to investigate regulation of replicative histone RNA metabolism by the histone chaperone ASF1
Histones are the protein components of the basic unit of chromatin, the core particle of the nucleosome. They play a central role in defining chromatin states associated with distinct cell fates and are classified into replicative and non-replicative/replacement histone variants. While the latter do...
ORGANISM(S): Homo sapiens 
2023-11-29 | E-MTAB-12501 | biostudies-arrayexpress
TranscriptomicsThe composition and function of chaperone networks in Solanum lycopersicum explored by transcriptome sequencing and microarray meta-analysis
Heat shock proteins (Hsps) are molecular chaperones primarily involved in maintenance of protein homeostasis. Their function has been best characterized in heat stress (HS) response during which Hsps are transcriptionally controlled by heat stress transcription factors (Hsfs). The role of Hsfs and H...
ORGANISM(S): Solanum lycopersicum 
2014-08-01 | E-GEOD-56611 | biostudies-arrayexpress
ProteomicsSurveyance of chaperone-client interactions via thiol labelling
Census of apparent chaperone-client interaction using thiol reactivity probe tetraphenylethene maleimide (TPE-MI).
ORGANISM(S): Homo sapiens (Human) Sus scrofa domesticus (domestic pig) 
2022-05-19 | PXD022587 | Pride
Molecular chaperone Tetraphenylethene maleimide (tpe-mi) Denaturation Protein folding 
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