3801
Immunostaining and Western blot revealed a more significant PTEN downregulation in PTEN - methylated CCMs in comparison to PTEN - unmethylated CCMs .
 CCMs, CCMs
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
 CCMs, CCMs