14075
In depth studies with C6 - ceramide and tamoxifen in LoVo cells showed the regimen induced PARP cleavage , caspase - dependent apoptosis , mitochondrial membrane permeabilization ( MMP ) , and cell cycle arrest at G1 and G2 .
 Chemical: C6 - ceramide; Chemical: tamoxifen
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: C6 - ceramide; Chemical: tamoxifen