Cyclin-Dependent Kinases article 8 priority journal 8 Animals 6 Cyclins 6 Enzyme Inhibitors 6 cell cycle 6 controlled study 6 CDC2 Protein Kinase 4 Cell Cycle 4 Cell cycle 4 DNA 4 Flavonoids 4 Immunohistochemistry 4 Piperidines 4 Protozoan Proteins 4 Purines 4 Trypanosoma 4 Trypanosoma cruzi 4 cell cycle S phase 4 concentration response 4 cyclin dependent kinase 4 cycline 4 drug effect 4 enzyme activity 4 epimastigote 4 flavopiridol 4 human 4 nonhuman 4 olomoucine 4