title: Activation of P-TEFb induces p21 leading to cell cycle arrest.
authors.forename: Giuliana
authors.initials: G
authors.lastname: Napolitano
authors.forename: Francesca
authors.initials: F
authors.lastname: Varrone
authors.forename: Barbara
authors.initials: B
authors.lastname: Majello
authors.forename: Luigi
authors.initials: L
authors.lastname: Lania
mesh_terms: D002453:Cell Cycle / Q000502:physiology*; D050759:Cyclin-Dependent Kinase Inhibitor p21 / Q000235:genetics / Q000378:metabolism*; D006367:HeLa Cells; D006801:Humans; D042925:Positive Transcriptional Elongation Factor B / Q000235:genetics / Q000378:metabolism*; D016601:RNA-Binding Proteins / Q000235:genetics / Q000378:metabolism; D014157:Transcription Factors
chemical_list: C493956:CDKN1A protein, human; D050759:Cyclin-Dependent Kinase Inhibitor p21; C476123:HEXIM1 protein, human; D016601:RNA-Binding Proteins; D014157:Transcription Factors; D042925:Positive Transcriptional Elongation Factor B