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Expression profiles of lncRNAs and mRNAs in KGN/shPWRN2 cell lines

ABSTRACT: In this study, to identify the target genes of PWRN2, we first constructed lentivirus shRNA vectors to infect the KGN cell lines to gain three KGN/shPWRN2 cell lines with down-regulated PWRN2 expression levels. Then, the expression profiles of mRNAs and lncRNAs in KGN/shPWRN2 cells were determined by microarray. The results revealed thousands of lncRNAs and mRNAs expressed in KGN/shPWRN2. The expression of 176 lncRNAs significantly changed in KGN/shPWRN2 cell lines relative to control NC cell lines. Among these, 118 were up-regulated, whereas 58 were down-regulated. A total of 131 mRNAs significantly changed in expression: 84 were upregulated, and 47 were downregulated (fold change≥2.0, P value<0.05). We further do some bioinformatic analysis for the data. Our results will provide some new information to help us understand the molecular roles of PWRN2.

ORGANISM(S): Homo sapiens

PROVIDER: GSE97772 | GEO | 2018/01/01

SECONDARY ACCESSION(S): PRJNA382840

REPOSITORIES: GEO

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Homo sapiens

Project description:Expression profiles of lncRNAs and mRNAs in KGN/shPWRN2 cell lines

| PRJNA382840 | ENA

Effect of depletion of FOXL2 on gene expression in KGN cells

Project description:To investigate the targets of FOXL2 in human granulosa cells, we performed Knock-Down experiment in established homozygous cell lines for FOXL2 WT (KGN).

2023-11-06 | GSE227040 | GEO

Mitochondrial dynamics in ovarian granulosa cells during follicular growth and in human KGN cells

Project description:In the ovary, proliferation and differentiation of granulosa cells (GCs) drive the growth of follicles. This is, in part, dependent on gonadotropins. Our immunohistochemical studies provided hints of mitochondrial biogenesis and intracellular redistribution in GCs of growing follicles. A cellular model, human KGN cells (granulosa cell tumor cells, derived from growing follicles) was used to study aspects of mitochondrial dynamics. To elevate cAMP and thereby mimic gonadotropin actions, forskolin (FSK) was used, which increased KGN cell size and mitochondrial DNA within 24 h. MitoTracker experiments and ultrastructural 3D reconstruction revealed that FSK treatment induced the formation of elaborate mitochondrial networks. H89, a protein kinase A (PKA) inhibitor, reduced network formation. A proteomic analysis indicated that FSK among others elevated levels of regulators of the cytoskeleton and the steroidogenic enzyme CYP11A1, located in mitochondria, was more than 3-fold increased, implying that cAMP/PKA-associated structural changes go in parallel with the acquisition of steroidogenic competence of mitochondria in KGN cells. In summary, in situ observations showed increases in mitochondria and suggested intracellular trafficking in GCs during follicular growth and indicated that they may partially be under the control of gonadotropins/cAMP. In line with this, elevation of cAMP in KGN profoundly affected mitochondria dynamics in a PKA-dependent manner and implicated cytoskeletal changes.

2022-10-14 | PXD032160 | Pride

Role of YAP/TAZ in KGN human granulosa cell line

Project description:To identify the YAP/TAZ target genes in granulosa cells, DNA microarray experiments were performed in KGN cells where YAP/TAZ were knocked down. The effect of the presence or absence of 8Br-cAMP, an intracellular second messenger of FSH, was also investigated in KGN cells.

2022-11-04 | GSE203080 | GEO

Role of YAP/TAZ in KGN human granulosa cell line [Clariom_S_Human]

2022-11-04 | GSE213916 | GEO

ChIP-seq analysis of G3BP1 in KGN cells

Project description:To investigate whether G3BP1 binds to telomeric DNA, we performed the ChIP-seq analysis of G3BP1 in KGN cells.

2024-04-14 | GSE263539 | GEO

Gene knockdown and overexpression of 402C>G FOXL2 in COV434 and KGN cells

Project description:Despite their distinct biology, granulosa cell tumours (GCTs) are treated the same as other ovarian tumours. Intriguingly, a recurring somatic mutation in the transcription factor Forkhead Box L2 (FOXL2) 402C>G has been found in nearly all GCTs examined. This investigation aims to identify the pathogenicity of mutant FOXL2 by studying its altered transcriptional targets. The expression of mutant FOXL2 was reduced in the GCT cell line KGN, and wildtype and mutant FOXL2 were overexpressed in the GCT cell line COV434. Comparisons were made between the transcriptomes of control cells and cells altered by FOXL2 knockdown and overexpression, to detect potential transcriptional targets of mutant FOXL2. Comparisons were made between the transcriptomes of control cells and cells altered by FOXL2 knockdown and overexpression, to detect potential transcriptional targets of mutant FOXL2. Mutant FOXL2 was silenced in KGN cells with the use of siRNA and a non-targetting siRNA control. Wildtype and mutant FOXL2 were overexpressed in COV434 cells with the use of overexpression plasmids and an empty plasmid control. Each experiment was performed in triplicate. Total RNA was harvested at 24h post transfection and hybridised to Affymetrix U133 plus 2.0 arrays.

2012-11-05 | E-GEOD-39890 | biostudies-arrayexpress

Transcription profiling of FOXL2 over-expression in human KGN cells

Project description:In order to identify novel FOXL2 targets, we have transfected KGN cells using an expression vector containing the coding sequence of FOXL2 or, as a reference, the empty vector (mock transfection). The transcriptome perturbation induced by FOXL2 overexpression was then followed by DNA chips (i.e. FOXL2- vs. mock-transfected cells) using the platform developed by NimbleGen Systems, Inc.

2007-03-02 | E-MEXP-985 | biostudies-arrayexpress

ChIP-chip by array of human adult ovarian granulosa cell tumor derived cell line KGN using anti-FOXL2 antibodies

Project description:ChIP-on-Chip experiment using chromatin from the human adult ovarian granulosa cell tumor derived cell line KGN (Nishi et al, 2001), or from a KGN subclone overexpressing WT FOXL2 (KF3 subclone), and an isovolumic blend of our custom anti-FOXL2 polyclonal antibodies (Cocquet J et al, 2002). Non precipitated sheared matched deproteinized chromatin (Input) was used a control to estimate enrichment peaks (and thus FOXL2 binding sites) from IPed DNA. DNA from three independent ChIP assays (Input extractions) was pooled, and 100ng of DNA was linearly amplified using the Whole Genome Amplification kit (Sigma). The two ChIP-chip experiments serve as biological replicates. Moreover, 42 out of 48 targets promoters chosen from the âenrichment peakâ list were subsequently confirmed as enrichment sites in anti-FOXL2 ChIPed DNA for subsequent experiments.

2011-02-22 | E-MTAB-399 | biostudies-arrayexpress

Whole-transcriptome analysis in breast cancer with or without lymph node metastasis

Project description:To identify the mRNAs, long non-coding RNAs (lncRNAs), and circular RNAs (circRNAs) involved in the pathogenesis of breast cancer, we performed the whole transcriptome sequencing. The whole transcriptome sequencing was performed with three breast cancer tissues with or without lymph node metastasis in each group, respectively. The results showed that 728 mRNAs, 131 lncRNAs, and 144 circRNAs were differentially expressed in lymph node metastasis group and no lymph node metastasis group (fold change≥2, p<0.05). These data indicate that dysregulation of mRNAs, lncRNAs, and circRNAs may contribute to breast cancer progression.

2021-12-31 | GSE163346 | GEO

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