4070
Using a retroviral gene transfer approach , we found that constitutive activation of MEK5 / ERK5 signaling strongly inhibits EC migration and results in massive morphological changes .
 Anatomy: EC
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: EC 
Answer:
 Anatomy: EC