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Wnt signaling is a causal mechanism of Dex - induced osteoporosis , so this study was conducted to determine whether Dex - induced cleft palate may result from altered Wnt signaling .
 Chemical: Dex; Chemical: Dex
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: Dex; Chemical: Dex