5004
The short - term response of Swiss 3T3 cells to an activator of protein kinase C also appeared to be independent of growth state , since the 50 % effective dose for PDBu inhibition of EGF binding to its receptor was approximately 7 nM for both growth conditions .
 Swiss 3T3 cells
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Swiss 3T3 cells