Gene expression microarray analysis in cancer biology, pharmacology, and drug development: progress and potential22Abbreviations: ALL, acute lymphoblastic leukemia; AML, acute myeloid leukemia; Cy, Cyanine; DLCL, diffuse large cell lymphoma; dNTPs, deoxyribonucleotides; ESTs, expressed sequence tags; mRNA, messenger RNA; NHL, non-Hodgkin’s lymphoma; ORF, open reading frame; RT-PCR, reverse transcription-polymerase chain reaction; and 17AAG, 17-allylamino,17-demethoxygeldanamycin.