11048
Our findings suggest that distinct regulatory elements , acting somewhat independently of each other, control expression of collagenase-1 .
 DNA: regulatory elements; protein: collagenase-1
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: regulatory elements, collagenase-1 
Answer:
 DNA: regulatory elements; protein: collagenase-1