7633
IL-2R chains were measured by flow cytometry , and Jaks/Stats by sodium dodecyl sulfate polyacrylamide gel electrophoresis ( SDS-PAGE ) and Western blot .
 ( protein: Jaks/Stats, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( protein: Jaks/Stats, None) 