25525
Results indicate that robust changes in the expression of the proinflammatory cytokine interleukin 8 ( IL8 ) and the vascular cell adhesion molecule 1 ( VCAM1 ) occur within 5 hours of exposure to CAS .
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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