3393
Exogenous stimulation of ovarian cancer cell lines with recombinant human GDF15 ( rhGDF15 ) or stable over - expression of a GDF15 expression plasmid promoted anchorage - independent growth , increased invasion , and up - regulation of matrix metalloproteinases ( MMPs ) and vascular endothelial growth factor ( VEGF ) .
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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:
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