2467
Interestingly, the progressive decline in the heat shock response of cultured T cells correlates with the percent proliferative life span completed rather than with the actual proliferative activity at the time of heat shock .
 ( cell line: cultured T cells, 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:
 ( cell line: cultured T cells, None) 