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We constructed a stable , doubly transfected cell line ( TIS - 10 ) carrying a chromosomally integrated ptetO7 - CMV - L reporter construct and expressing the TetR - KRAB protein .
 GENE: ptetO7 - CMV - L; GENE: TetR; GENE: KRAB
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: ptetO7 - CMV - L; GENE: TetR; GENE: KRAB