Unknown,Transcriptomics,Genomics,Proteomics

Dataset Information

Gene expression profiling of Follicular Lymphoma (FL) cultured in the presence or absence of the Follicular Dendritic Cell (FDC) line HK

ABSTRACT: Cells from 2 FL patients and 1 FL cell line were cultured for up to 48h, with no stroma or on top of HK cells pre-establised layers. RNA from FL cells was isolated after 24 and 48h of culture The aim of this study was to uncover the molecular mechanisms underlying the FL-FDC crosstalk Global RNA expression in FL cells that have been in contact or not with the FDC cell line HK

ORGANISM(S): Homo sapiens

SUBMITTER: Teresa Casserras Moreno

PROVIDER: E-GEOD-54158 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Disruption of follicular dendritic cells-follicular lymphoma cross-talk by the pan-PI3K inhibitor BKM120 (Buparlisib).

Matas-Céspedes Alba A Rodriguez Vanina V Kalko Susana G SG Vidal-Crespo Anna A Rosich Laia L Casserras Teresa T Balsas Patricia P Villamor Neus N Giné Eva E Campo Elías E Roué Gaël G López-Guillermo Armando A Colomer Dolors D Pérez-Galán Patricia P

Clinical cancer research : an official journal of the American Association for Cancer Research 20140505 13

<h4>Purpose</h4>To uncover the signaling pathways underlying follicular lymphoma-follicular dendritic cells (FL-FDC) cross-talk and its validation as new targets for therapy.<h4>Experimental design</h4>FL primary cells and cell lines were cocultured in the presence or absence of FDC. After 24 and 48 hours, RNA was isolated from FL cells and subjected to gene expression profiling (GEP) and data meta-analysis using DAVID and GSEA softwares. Blockade of PI3K pathway by the pan-PI3K inhibitor BKM120 ...[more]

PMID: 24799524

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Project description:Aim： Use microarray analysis to understand the molecular mechanism underlying the effect of aristolochic acid (AA), a major active component of plants from the Aristolochiaceae family, in normal human kidney (HK-2) cells. Methods： HK-2 cells were treated with AA for 24 hours and cell viability was measured by a 3-(4,5-dimethylthiazol-2yl)-2,5-diphenyltetrazolium bromide assay. Complementary DNA microarrays were used to investigate the gene expression pattern of HK-2 cells exposed to AA and the results of this study were in triplicate. Quantitative real-time RT-PCR assay was used to verify the microarray data for selected nuclear factor kappa B (NF-κB)-regulated genes. Furthermore, subcellular localization of NF-κB p65 was visualized by immunofluorescence confocal microscopy in HK-2 cells. NF-κB activity was examined by luciferase reporter assay in HK-2/NF-κB transgenic cells. Results： AA exhibited a dose-dependent cytotoxic effect in HK-2 cells and induced alterations in gene expression profiles related to DNA damage response, stress response, etc. In addition, 9 biological pathways associated with immunomodulatory functions were down-regulated in AA-treated HK-2 cells. Network analysis revealed that NF-κB played a central role in the network topology. Among NF-kB-regulated genes, 8 differentially expressed genes were verified by real-time RT-PCR. The inhibition of NF-κB activity by AA was further confirmed by immunofluorescence confocal microscopy and by NF-κB luciferase reporter assay. Conclusion： Our data revealed that AA could suppress NF-κB activity in normal human cells, perhaps partially accounting for the reported anti-inflammatory effects of some plants from the genus Aristolochia. HK-2 cells were grown in keratinocyte serum-free basal medium (Gibco) supplemented with 5 ng/ml of recombinant epidermal growth factor and 50 μg/ml of bovine pituitary extract without antibiotics in 5 % CO2 at 370C. HK-2 cells were seeded in 25-T flasks and incubated for 24 h before aristolochic acid treatment. Aristolochic acid (10 90 μM) were added to HK-2 cells for 24 h. The control cells received equal amounts of water only.

Dataset Information

Gene expression profiling of Follicular Lymphoma (FL) cultured in the presence or absence of the Follicular Dendritic Cell (FDC) line HK

Publications

Disruption of follicular dendritic cells-follicular lymphoma cross-talk by the pan-PI3K inhibitor BKM120 (Buparlisib).

Similar Datasets

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