A549 Cells|Algorithms|Cell Line, Tumor|Cluster Analysis|Computational Biology|Computer Simulation|Dexamethasone|Gene Expression Profiling|Gene Expression Regulation, Neoplastic|Glucocorticoids|Histones|Humans|Hydrogen Bonding|Hydrogen Peroxide|Lung Neoplasms|Models, Biological|Normal Distribution|Oligonucleotide Array Sequence Analysis|Sequence Analysis, RNA|Time Factors|Transcription Factors