controlled study article 102 priority journal 92 polyacrylamide gel electrophoresis 88 nonhuman 86 Animals 58 Electrophoresis, Polyacrylamide Gel 52 human 46 Humans 40 enzyme activity 34 unclassified drug 34 human cell 32 protein expression 32 Western blotting 30 Blotting, Western 28 animal cell 26 metabolism 24 animal 20 Article 18 Kinetics 18 Mice 18 Molecular Sequence Data 18 Rats 18 Trypanosoma cruzi 18 immunoprecipitation 18 Male 16 animal tissue 16 immunoblotting 16 male 16 molecular weight 16