19619
The anti - proliferative property of Gentiana kurroo root extract was determined by sulphorhodamine B ( SRB ) assay against Human colon cancer cell line ( HCT - 116 ) , Lung carcinoma cell line ( A - 549 ) , Pancreatic cancer cell line ( Miapaca - 2 ) , Lung cancer cell line ( HOP - 62 ) and acute monocytic leukaemia cell line ( THP - 1 ) .
 sulphorhodamine B, SRB
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 sulphorhodamine B, SRB