11440
The reduction paralleled a decrease in tyrosine phosphorylation of endogenous wild-type Itk .
 endogenous wild-type Itk, Itk
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:
 endogenous wild-type Itk, Itk