4905
Similarly , interfering with MEKK , which lies upstream of JNK1 , using a dominant negative expression vector reduced MMP - 9 promoter activity over the same concentration range which repressed the AP - 1 - thymidine kinase CAT reporter construct .
 GENE: MEKK; GENE: JNK1; GENE: MMP - 9 promoter; GENE: AP - 1; GENE: thymidine kinase; GENE: CAT
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: MEKK; GENE: JNK1; GENE: MMP - 9 promoter; GENE: AP - 1; GENE: thymidine kinase; GENE: CAT