1664
Vasodilator - stimulated phosphoprotein is involved in stress - fiber and membrane ruffle formation in endothelial cells .
 stress - fiber, membrane ruffle, endothelial cells
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
 stress - fiber, membrane ruffle, endothelial cells