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Effects of RELA and RELB in spheroid and adherent ovarian cancer

ABSTRACT: Purpose: To understand the role of NF-kB signaling in tumor-initiating cell (TIC) and non-TIC populations in ovarian cancer. Methods: OV90 cells with inducible shRNA against RelA and RelB, and a non-targeting shRNA control were induced by doxycycline treatment and were grown in adherent (non-TIC) or spheroid (TIC) conditions. Total RNA was extracted from each condtion and RNAseq was performed and analysed for differential gene expression between the conditions.

ORGANISM(S): Homo sapiens

PROVIDER: GSE230678 | GEO | 2023/04/28

REPOSITORIES: GEO

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Effects of spheroid and adherent growth conditions in ovarian cancer

Project description:Purpose: To understand the changes in RNA expression in tumor-initiating cell (TIC) (spheroid) and non-TIC populations (adherent) in ovarian cancer. Methods: OV90 cells were grown in adherent (non-TIC) or spheroid (TIC) conditions. Total RNA was extracted from each condition and RNAseq was performed and analysed for differential gene expression between the conditions.

2020-10-03 | GSE158949 | GEO

Effects of RELA and RELB in spheroid and adherent ovarian cancer

Project description:Effects of RELA and RELB in spheroid and adherent ovarian cancer

| PRJNA962122 | ENA

Comparison of RelB-/- and RelB+/- thymi

Project description:Thymic medullary epithelial cell (mTEC) expression of the autoimmune regulator AIRE, and of tissue-specific antigens, is controlled by members of the non-canonical NF-kB signalling pathway, including RelB and NF-kB2. Of the genes in this pathway, RelB-/- mice develop a particularly severe multi-organ autoimmune syndrome, resembling Foxp3-deficiency. RelB-/- mice have medullary atrophy and few mTECs but the mechanism is unknown. We show that RelB is required for expression of medullary chemokines and mTEC AIRE, selection of a diverse peripheral T cell repertoire, and for peripheral Foxp3+ Treg function. VÎ² families of T cells infiltrating diseased peripheral organs and thymic Treg were similarly skewed. Surprisingly, medullary atrophy results from intra-thymic granulocyte infiltration, consequent upon the Th2-mediated autoimmune disease. Dominant tolerance corrects thymic inflammatory disease and loss of thymic function. We demonstrate a reversible RelB-dependent inflammatory mechanism for loss of central tolerance associated with medullary atrophy. Thymi from 4 RelB+/- mice and 3 RelB-/- mice were profiled by microarays

2012-12-27 | E-GEOD-43154 | biostudies-arrayexpress

Comparison of RelB-/- and RelB+/- thymi

Project description:Thymic medullary epithelial cell (mTEC) expression of the autoimmune regulator AIRE, and of tissue-specific antigens, is controlled by members of the non-canonical NF-kB signalling pathway, including RelB and NF-kB2. Of the genes in this pathway, RelB-/- mice develop a particularly severe multi-organ autoimmune syndrome, resembling Foxp3-deficiency. RelB-/- mice have medullary atrophy and few mTECs but the mechanism is unknown. We show that RelB is required for expression of medullary chemokines and mTEC AIRE, selection of a diverse peripheral T cell repertoire, and for peripheral Foxp3+ Treg function. Vβ families of T cells infiltrating diseased peripheral organs and thymic Treg were similarly skewed. Surprisingly, medullary atrophy results from intra-thymic granulocyte infiltration, consequent upon the Th2-mediated autoimmune disease. Dominant tolerance corrects thymic inflammatory disease and loss of thymic function. We demonstrate a reversible RelB-dependent inflammatory mechanism for loss of central tolerance associated with medullary atrophy.

2012-12-27 | GSE43154 | GEO

RelA and RelB-dependent transcriptome analysis in lymphotoxin-ß receptor stimulated mouse embryonic fibroblasts

Project description:Background: Lymphotoxin signaling via the lymphotoxin-β receptor (LTβR) has been implicated in several biological processes, ranging from development of secondary lymphoid organs, maintenance of splenic tissue, host defense against pathogens, autoimmunity, and lipid homeostasis. The major transcription factor that is activated by LTβR crosslinking is NF-κB. Two signaling pathways have been described that result in the activation of classical p50-RelA and alternative p52-RelB NF-κB heterodimers. Results: Using microarray analysis, we investigated the transcriptional response downstream of the LTβR in mouse embryoni fibroblasts (MEF) and its regulation by the RelA and RelB subunits of NF-κB. We describe novel LTβR-responsive genes that are regulated by RelA and/or RelB. Interestingly, we found that the majority of LTβR-regulated genes require the presence of both RelA and RelB, suggesting significant crosstalk between the two NF-κB activation pathways. Gene Ontology (GO) analysis confirmed that LTβR-NF-κB target genes are predominantly involved in the regulation of immune responses. However, other biological processes, such as apoptosis/cell death, cell cycle, angiogenesis, and taxis were also regulated by LTβR signaling. Moreover, we show that activation of the LTβR inhibits the expression of a key adipogenic transcription factor, peroxisome proliferator activated receptor-γ (pparg), suggesting that LTβR signaling may interfere with adipogenic differentiation. Conclusions: Thus, microarray analysis of LTβR-stimulated fibroblasts revealed further insight into the transcriptional response of LTβR signaling and its regulation by the NF-κB family members RelA and RelB. Keywords: cell type comparison (wt vs relA-/- vs relB-/-) after genetic modification using a time course for each cell type (wt, relA-/-, relB-/-) two time points were analysed (0h as control and 10h) using 3 technical replicates resulting in 18 samples in total

2008-12-17 | E-GEOD-11963 | biostudies-arrayexpress

Investigating how the loss of RelB affects RelA DNA binding [ChIP-seq]

Project description:To investigate the gene regulatory mechanisms of RelB DNA binding function and identify regulatory mechanisms for NF-κB pro-inflammatory gene expression.

2023-07-10 | GSE236531 | GEO

RelA and RelB-dependent transcriptome analysis in lymphotoxin-ß receptor stimulated mouse embryonic fibroblasts

2008-12-18 | GSE11963 | GEO

RNA-seq data for Huh7 cells in spheroid culture and adherent culture

Project description:Anchorage-independent spheroid cells of HCC possess stemness properties. Huh7 cells are cultured in ultra-low attachment surface plates with serum-free medium. RNA-sequencing (RNA-seq) was applied in spheroid culture cells and adherent culture cells.

2022-06-01 | GSE199940 | GEO

Genome wide binding sites of NF-κB subunits RelA, RelB, p50, and p52 in the Hodgkin lymphoma cell line L1236

Project description:The malignant cells of Hodgkin's lymphoma are characterized by a constitutive activation of the canonical as well as the non-canonical NF-κB signaling cascades. We carried out genome-wide localization and expression profiling experiments in the Hodgkin lymphoma cell line L1236 for the canonical and non-canonical NF-κB pathway components p65, p50 and p52, RelB, respectively. We found that the single NF-κB subunits bind to overlapping, but distinct cistromes by using consensus motifs of high similarity.

2016-02-18 | GSE63736 | GEO

Genome wide binding sites of NF-ÎºB subunits RelA, RelB, p50, and p52 in the Hodgkin lymphoma cell line L1236

Project description:The malignant cells of Hodgkin's lymphoma are characterized by a constitutive activation of the canonical as well as the non-canonical NF-ÎºB signaling cascades. We carried out genome-wide localization and expression profiling experiments in the Hodgkin lymphoma cell line L1236 for the canonical and non-canonical NF-ÎºB pathway components p65, p50 and p52, RelB, respectively. We found that the single NF-ÎºB subunits bind to overlapping, but distinct cistromes by using consensus motifs of high similarity. ChIP-Seq analysis of 4 NF-ÎºB subunits with 2 biological replicates each

2016-02-18 | E-GEOD-63736 | biostudies-arrayexpress

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