11091
Further, B-1 cells are characterized by aberrant intracellular signaling , including hyperresponsiveness to phorbol ester PKC agonists .
 B-1 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:
 B-1 cells