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We chose promoters responsive to sonication in LNCap cells , a prostate cancer cell line , out of a library composed of DNA fragments constructed by linking the TATA box sequence to randomly combined cis - acting elements of transcription factors activated in response to radiation in prostate cancer cells .
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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:
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