7545
The results obtained by transient transfection of fos -CAT constructs that contained serial 5'-deletion mutations showed that the region between -3134 and -3059 appears to be required for the induction of transcription by LPS .
 serial 5'-deletion mutations, -CAT constructs
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:
 serial 5'-deletion mutations, -CAT constructs