8816
They may represent immunoregulatory cells , and further analysis of these cells, and a comparison to those found in patients with SS , may elucidate normal immunoregulation and the derangements that lead to Sjogren's syndrome .
 ( cell type: immunoregulatory cells, 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: immunoregulatory cells, None) 