10136
Recent studies suggest that CD40-CD40 ligand , OX-OX40 ligand , a group of cytokines and intracellular transcriptional factors may all contribute to B-lymphocyte differentiation control .
 ( protein: CD40-CD40 ligand, None) , ( protein: OX-OX40 ligand, None) , ( protein: cytokines, 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: CD40-CD40 ligand, None) , ( protein: OX-OX40 ligand, None) , ( protein: cytokines, None) 