Dataset Information


Transcription profiling of human umbilical vein endothelial cells to investigate the effects of Serum Amyloid A, time series

ABSTRACT: This study attemps to study the global effects of Serum Amyloid A (SAA) on human endothelial gene expression profile in different time points. Experiment Overall Design: HUVECs were cultured to confluence in 6-well plates and stimulated with 20 μg/ml of SAA (PeproTech) for 0, 4, 24 and 48 h. To determine the cellular transcript profile in Control (0h) and 3 different SAA groups (S4h, S24h and S48h), the relative abundance of mRNAs in SAA groups were compared with Control by use of Human Genome U133 Plus 2.0 Array (HG-U133 Plus 2.0, Affymetrix)). Each group had 2 individual samples. . In order to obtain the 3 group comparison datasets (S4h/C, S24h/C and S48h/C), expression patterns for each individual SAA sample (4h, 24h and 48h) were compared to each individual control sample. Hence, each group comparison has 4 individual sample comparisons. The robust increased or decreased cut-off was use the Affymetrix recommending "1" or "-1" of the signal log ratio. . If the gene is robust “increased” or “decreased” in 4 individual sample comparisons of the total 4 comparisons, it was selected as the final robust changed in group comparison. Each gene we were interested, real time PCR was carried out to validate the microarray results.

INSTRUMENT(S): 418 [Affymetrix]

ORGANISM(S): Homo sapiens  

SUBMITTER: yulan zhao  

PROVIDER: E-GEOD-6241 | ArrayExpress | 2009-04-30



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