9299
We conclude that fetal nucleated blood cells constitutively express important genes for cytokine regulation and are able to increase intracellular accumulation of the mRNAs for these factors in response to anti-CD3 stimulation .
 ( protein: anti-CD3, None) , ( RNA: mRNAs, None) , ( cell type: fetal nucleated blood cells, None) , ( protein: cytokine, 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: anti-CD3, None) , ( RNA: mRNAs, None) , ( cell type: fetal nucleated blood cells, None) , ( protein: cytokine, None) 