10897
Together , these results suggest that AhR activation inhibits light - induced phase resetting through the activation of JNK , negative regulation of CREs in the Per1 promoter , and suppression of Per1 .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None