13835
3 - ( 4 , 5 - dimethyl - thiazol - 2 - yl ) - 2 - 5 - diphenyltetrazolium - bromide ( MTT ) assay showed that curcumin inhibited cell growth in a dose - ( 1 , 5 , 10 and 30 mu M ) and time - ( 24 , 48 , 72 and 96h ) dependent manner ; analysis of Annexin V binding showed that curcumin induced apoptosis at the dose of 10 and 30 mu M when the cells were treated for 24 and 48h .
 3 - ( 4 , 5 - dimethyl - thiazol - 2 - yl ) - 2 - 5 - diphenyltetrazolium - bromide, MTT, curcumin, curcumin
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 3 - ( 4 , 5 - dimethyl - thiazol - 2 - yl ) - 2 - 5 - diphenyltetrazolium - bromide, MTT, curcumin, curcumin