2892
We thus conclude that PTPases play a crucial role in the negative regulation of signal transduction culminating in T-lymphocyte activation .
 cell type: T-lymphocyte; protein: PTPases
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: T-lymphocyte, PTPases 
Answer:
 cell type: T-lymphocyte; protein: PTPases