25873
We concluded that BM modulates the apoptotic response of SKH - 1 mice skin in UVB irradiation by the inhibition of p53 , caspase - 3 , Bax / Bcl - 2 and proliferating cell nuclear antigen expressions , as well as by reducing the activation of iNOS and NF - kB .
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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