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In contrast , increased levels of GPC1 and GPC3 as a result of overexpression or the addition of recombinant protein , inhibit BMP2 signalling and BMP2 - mediated osteogenesis .
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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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