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Comparison of gene expression profiles of hearts in nulloparous (NP) or postpartum (PP) PERK wild type (flx) or PERK cardiac-specific knockout (cko) mice.

ABSTRACT: Recently, it is reported that multiple signaling pathways are involved with the pathogenesis of PPCM. Here, we show that PERK kockout affect these pathways in postpartum period.

ORGANISM(S): Mus musculus

PROVIDER: GSE168536 | GEO | 2021/03/10

REPOSITORIES: GEO

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Comparison of gene expression profiles of hearts in nulloparous (NP) or postpartum (PP) PERK wild type (flx) or PERK cardiac-specific knockout (cko) mice.

Project description:Comparison of gene expression profiles of hearts in nulloparous (NP) or postpartum (PP) PERK wild type (flx) or PERK cardiac-specific knockout (cko) mice.

| PRJNA708253 | ENA

Comparison of gene expression profiles in hearts exposed to pressure overload (PO) with or without sildenafil treatment in PERK wild type (flx) or PERK cardiac-specific knockout 8cko) mice.

Project description:Recently, it is reported that sildenafil suppresses maturation of PO-induced miRNAs. However, the mechanism of how sildenafil coupled NO-cGMP-PKG signaling affects this maturation was not unraveled. Here, we show that PERK-mediated suppression of miRNAs by sildenafil is vital to keep mitochondrial homeostasis, using cardiac-specific PERK knockout (cko) mice.

2020-07-10 | GSE154081 | GEO

ISR target genes revealed by comprehensive microarray network study using Perk -/-, Atf4 -/-, eIF2a S51A mutant, Fv2E-PERK

Project description:To identify the target genes of integrated stress reponse (ISR), we have employed whole genome microarray expression in MEF cells. ISR gene setimation under ER stress condition using Perk -/-, Atf4 -/-, eIF2a S51A mutant, Fv2E-PERK MEF cells

2015-09-01 | E-GEOD-49598 | biostudies-arrayexpress

ISR pathway activation signatures in MEFs: GCN2 and PERK

Project description:In response to different cellular stressors, the ISR kinases, PERK, PKR, HRI and GCN2, activate downstream transcriptional programs. While the core ISR transcription program is well characterized, markers that are specific to each individual ISR kinase activation pathway are not known. To identify markers that are induced by PERK or GCN2, but not the other ISR kinases, we subjected WT, GCN2-/-, and PERK-/- MEFs to amino acid starvation (RPMI 1640 SILAC -Lys -Arg) or Thapsigargin (200nM) treatment for 6 hours to activate the GCN2 and PERK pathways, respectively and performed RNA sequencing.

2022-07-01 | GSE179559 | GEO

The PERK signaling controls myoblasts differentiation by regulating microRNA networks

Project description:By using small RNA-seq, we report microRNA profilings from Perk knockdown C2C12 cells, differentiated C2C12 cells, Atf4 overexpressed C2C12 cells, Perk knockdown P19 cells and negative control.

2021-03-01 | GSE167878 | GEO

ISR target genes in WAT and BAT of mAP::Fv2E-PERK

Project description:To identify the target genes of integrated stress reponse (ISR) in WAT and BAT, we have employed whole genome microarray expression in WAT and BAT specific Fv2E-PERK transgenic mice. The mAP::Fv2E-PERK transgenic mice were injected by AP20187 or mock.

2015-08-05 | E-GEOD-49645 | biostudies-arrayexpress

PERK is a critical metabolic hub for immunosuppressive function in macrophages

Project description:Here we report that the Th2 cytokine IL-4 and the tumor microenvironment activated protein kinase RNA-like ER kinase (PERK) ER stress signaling cascade to promote immunosuppressive M2 activation and proliferation. Lacking PERK signaling impeded mitochondrial respiration and lipid oxidation critical for M2 macrophages. In addition, PERK activation mediated the upregulation of PSAT1 and serine biosynthesis via the downstream transcription factor ATF4.

2022-01-01 | GSE165836 | GEO

Comparison of gene expression profiles in hearts exposed to pressure overload (PO) with or without sildenafil treatment in PERK wild type (flx) or PERK cardiac-specific knockout 8cko) mice.

Project description:Comparison of gene expression profiles in hearts exposed to pressure overload (PO) with or without sildenafil treatment in PERK wild type (flx) or PERK cardiac-specific knockout 8cko) mice.

| PRJNA645084 | ENA

ISR target genes in muscle of hSA::Fv2E-PERK

Project description:To identify the target genes of integrated stress reponse (ISR) in skeletal muscle, we have employed whole genome microarray expression in muscle specific Fv2E-PERK transgenic mice and C2C12 myotubes expressed in Fv2E-PERK. As a result, we identified that Fgf21 mRNA expression was commonly induced in skeletal muscle and C2C12.

2015-12-26 | GSE46548 | GEO

RNA Expression Profiling Comparing ER+ Postpartum Breast Cancer with ER+ Nulliparous Breast Cancer

Project description:Purpose: To perform RNA-Seq expression profiling from Young Women's Breast Cancer FFPE tissues, comparing ER+ Postpartum Brest Cancer to ER+ Nulliparous Breast Cancer Methods: RNA was extracted and isolated from archival Estrogen Receptor Positive primary breast cancer FFPE tissues ( 9 Postpartum, 7 Nulliparous). RNA species selected for inclusion in library utilzing Illumina-Access bead based oligo library preparation representing > 98% of known protein coding genes. Results: We identified gene pathway differences in estrogen receptor signaling, t-cell immunity and cell cycle between nulliparous and postpartum breast cancer cases. Subset analysis also revealed an enrichment in extra-cellular matrix pathway related genes in postpartum compared to nulliparous and luminal A cases.

2021-09-15 | GSE158854 | GEO

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