8741
We provide evidence that several NF-kappaB complexes are constitutively found in the nuclei of thymocytes either freshly isolated from the thymus or maintained in coculture with autologous or heterologous TEC .
 ( protein: NF-kappaB, None) , ( cell type: TEC, None) , ( cell type: thymocytes, None) , ( protein: NF-kappaB complexes, 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: NF-kappaB, None) , ( cell type: TEC, None) , ( cell type: thymocytes, None) , ( protein: NF-kappaB complexes, None) 