9806
Taken together ; we found that rhubarb blocked the metastatic process of HA22T hepatocellular carcinoma cells mediated through GSK - 3 - beta activation , and enhancement of protein degradation as well as reduction of the nuclear accumulation of beta - catenin .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 None