12057
Cellular pathways for induction of programmed cell death ( PCD ) have been identified, but little is known about specific extracellular matrix processes that may affect apoptosis along those pathways.
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 None