13978
These results suggested that TNF - alpha - induced MMP - 9 expression is mediated through a c - Src / EGFR , PDGFR / PI3K / Akt / MAPKs / AP - 1 cascade in H9c2 cells .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None