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The early osteoblast differentiation of Col1a1 - Cnn1 mice was increased , but the late stage differentiation and mineralization of osteoblasts derived from Col1a1 - Cnn1 mice were significantly decreased .
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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