RNA, Messenger Reverse Transcriptase Polymerase Chain Reaction 22 article 22 gene expression priority journal 20 Animals 18 animal cell 18 controlled study 18 nonhuman 18 RNA 16 Mice 14 Apoptosis 12 Blotting, Western 12 Gene expression 12 Genes 12 Humans 12 Proteins 12 human 12 messenger RNA 12 animal experiment 10 human cell 10 mouse 10 nucleotide sequence 10 protein expression 10 reverse transcription polymerase chain reaction 10 unclassified drug 10 COS Cells 8 Cell Line 8 Cell Proliferation 8 Cercopithecus aethiops 8