1672
The ability of distinct subdomains within VASP to bind adhesion proteins and induce F - actin bundling in vivo suggests that this protein could function in the aggregation and tethering of actin filaments during the formation of endothelial cell - substrate and cell - cell contacts .
 actin filaments, endothelial cell - substrate, cell - cell contacts
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
 actin filaments, endothelial cell - substrate, cell - cell contacts