3903
Constitutive expression of IFN-alpha5 and IFN-beta was detected in different lymphoid cells including peripheral blood mononuclear cells from normal individuals following amplification of IFN mRNA by reverse transcriptase -polymerase chain reaction and direct sequencing of the amplified product .
 ( RNA: IFN mRNA, None) , ( DNA: amplified product, None) , ( cell type: lymphoid cells, None) , ( protein: IFN-beta, None) , ( cell type: peripheral blood mononuclear cells, None) , ( protein: IFN-alpha5, None) , ( protein: reverse transcriptase, 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:
 ( RNA: IFN mRNA, None) , ( DNA: amplified product, None) , ( cell type: lymphoid cells, None) , ( protein: IFN-beta, None) , ( cell type: peripheral blood mononuclear cells, None) , ( protein: IFN-alpha5, None) , ( protein: reverse transcriptase, None) 