RNA was extracted by Trizol (Life Technology, 15596-018) following the manufacturer's instructions
Label
biotin
Label protocol
Total RNA were amplified, labeled and purified by using WT Terminal Labeling and Controls Kit (Cat#901524, Affymetrix, Santa Clara, CA, US) followed the manufacturer’s instructions to obtain biotin labeled cRNA.
Hybridization protocol
Array hybridization and wash was performed using GeneChip® Hybridization, Wash and Stain Kit (Cat#900720, Affymetrix, Santa Clara, CA, US)in Hybridization Oven 640 (Cat#00-0331-220V, Affymetrix, Santa Clara, CA, US)and Fluidics Station 450 (Cat#00-0079, Affymetrix, Santa Clara, CA, US) followed the manufacturer’s instructions
Scan protocol
Slides were scanned by GeneChip® Scanner 3000 (Cat#00-00212, Affymetrix, Santa Clara, CA, US) and Command Console Software 4.0 (Affymetrix, Santa Clara, CA, US) with default settings.
Description
Gene expression data from FFPE specimen
Data processing
Affymetrix GeneChip Command Console (version 4.0, Affymetrix) software was used to extract raw data. Next, Expression Console (version1.3.1, Affymetrix) software offered RMA normalization for both gene and exon level analysis. Then the gene expression analysis and alternative splice analysis proceeded by Genesrping software (version 13.0; Agilent Technologies) and Transcriptome Analysis Console (version2.0, Affymetrix) separately.
