Alternative Splicing 52 exon priority journal 46 alternative RNA splicing 44 Humans 38 human 36 nonhuman 36 article 34 Animals 32 Transcription, Genetic 32 RNA polymerase II 30 Exons 28 messenger RNA 28 promoter region 26 RNA Polymerase II 24 chromatin 22 chromatin structure 22 fibronectin 22 transcription regulation 22 Chromatin 20 controlled study 18 gene expression 16 genetic transcription 16 intron 16 Fibronectins 14 Transfection 14 human cell 14 unclassified drug 14 Alternative splicing 12 Base Sequence 12