4923
Recently, we reported that HIV-1 tat downregulates MIP-1 alpha expression in Jurkat T-cells .
 ( protein: MIP-1 alpha, None) , ( protein: HIV-1 tat, None) , ( cell line: Jurkat 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:
 ( protein: MIP-1 alpha, None) , ( protein: HIV-1 tat, None) , ( cell line: Jurkat T-cells, None) 