8387
The 9 x bamboo salt also exerted a greater anti - metastatic effect on cancer cells than the other salts as demonstrated by decreased mRNA expression of MMP genes and increased expression of tissue inhibitors of metalloproteinases , which was confirmed by the inhibition of tumor metastasis induced in colon 26 - M3 . 1 cells in BALB / c mice .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None