6705
Treatment of keratinocytes expressing a normal epidermal growth factor receptor ( EGFR ) with TGFalpha or epidermal growth factor for 5 min induced PKCdelta tyrosine phosphorylation .
 epidermal growth factor receptor, EGFR, TGFalpha, epidermal growth factor, PKCdelta
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 epidermal growth factor receptor, EGFR, TGFalpha, epidermal growth factor, PKCdelta