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Electrophoretic mobility shift assays showed that p50/p65/c-Rel and STAT-6 are effectively induced by CD40L and IL-4 , respectively, and bind to specific DNA motifs within the ECS .
 DNA motifs, p50/p65/c-Rel, ECS, CD40L, IL-4, STAT-6
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:
 DNA motifs, p50/p65/c-Rel, ECS, CD40L, IL-4, STAT-6