734
Both gain - of - function and loss - of - function experiments showed that increased miR - 7 expression significantly reduced GC cell migration and invasion , whereas decreased miR - 7 expression dramatically enhanced cell migration and invasion .
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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