4938
Here we identify the gene encoding the lymphocyte homing and migration protein CD44 as a target of EGR1 regulation in B cells .
 ( cell type: B cells, None) , ( protein: EGR1, None) , ( protein: CD44, None) , ( protein: lymphocyte homing and migration protein, 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 type: B cells, None) , ( protein: EGR1, None) , ( protein: CD44, None) , ( protein: lymphocyte homing and migration protein, None) 