8799
Many patients with primary Sjogren's syndrome (SS) make high titer IgG autoantibodies to the La(SSB) antigen, suggesting antigen specific T cell-B cell interactions .
 ( protein: La(SSB), None) , ( protein: IgG autoantibodies, 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: La(SSB), None) , ( protein: IgG autoantibodies, None) 