Unknown,Transcriptomics,Genomics,Proteomics

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ADTRP siRNA Microarray Data in HepG2 Cell Line


ABSTRACT: Coronary artery disease (CAD) and its complication myocardial infarction (MI) are the leading cause of death worldwide.Our genome-wide association studies (GWAS) in the Chinese population identified a genomic variant, rs6903956, in intron 1 of the C6orf105 gene (later named as ADTRP) as a significant risk factor for CAD and MI. Based on itscell membrane localization and its function on regulation of TFPI, we hypothesize that ADTRP acts as a cell signaling molecule that affects function and expression of many downstream genes/proteins. We performed global gene expression profiling in cells with knockdown of ADTRP expression to identify other downstream targets of ADTRP. To identify other downstream targets of ADTRP, we performed global gene expression profiling in cells with knockdown of ADTRP expression. Because ADTRP downstream genes include those involved in cell cycle regulation and apoptosis as well as multiple histone genes, we carried out cellular studies on cell cycle, cell proliferation and apoptosis to further characterize the function of ADTRP. Global gene expression of ADTRP siRNA sampels and negative controls were profiled by Affymetrix GeneChip PrimeView arrays in HepG2 cells, top downstream genes with differntial expression levels were selected for validation in HepG2, HUVEC, and EAhy926 endothelial cells. Because ADTRP downstream genes include those involved in cell cycle regulation and apoptosis as well as multiple histone genes, we carried out cellular studies on cell cycle, cell proliferation and apoptosis to further characterize the function of ADTRP.

ORGANISM(S): Homo sapiens

SUBMITTER: QING WANG 

PROVIDER: E-GEOD-80469 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Coronary artery disease susceptibility gene ADTRP regulates cell cycle progression, proliferation, and apoptosis by global gene expression regulation.

Luo Chunyan C   Wang Fan F   Qin Subo S   Chen Qiuyun Q   Wang Qing K QK  

Physiological genomics 20160527 8


The ADTRP gene encodes the androgen-dependent TFPI-regulating protein and is a susceptibility gene for contrary artery disease (CAD). We performed global gene expression profiling for ADTRP knock-down using microarrays in human HepG2 cells. Follow-up real-time RT-PCR analysis demonstrated that ADTRP knock-down regulates a diverse set of genes, including upregulation of seven histone genes, downregulation of multiple cell cycle genes (CCND1, CDK4, and CDKN1A), and upregulation of apoptosis genes  ...[more]

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