7488
Inhibition of T cell signaling by mitogen-activated protein kinase -targeted hematopoietic tyrosine phosphatase ( HePTP ).
 hematopoietic tyrosine phosphatase, HePTP, mitogen-activated protein kinase -targeted hematopoietic tyrosine phosphatase, mitogen-activated protein kinase
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 hematopoietic tyrosine phosphatase, HePTP, mitogen-activated protein kinase -targeted hematopoietic tyrosine phosphatase, mitogen-activated protein kinase