7500
Activation of p38 MAPK correlates closely with the stimulation of T cell proliferation .
 protein: p38 MAPK
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: p38 MAPK 
Answer:
 protein: p38 MAPK