1651
To begin to explain the morphology of Ras - plus TEL - expressing cells , we demonstrated that the endogenous matrix metalloproteinase stromelysin - 1 was repressed by TEL .
 Anatomy: cells
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
 Entities: cells 
Answer:
 Anatomy: cells