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 .
 immunoregulatory cells
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 immunoregulatory cells