2707
In contrast , transcription of BMP2 in osteogenic cells was decreased by either blocking the Wnt pathway with DKK1 and sFRP4 , or inhibiting beta - catenin / TCF4 activity with FWD1 / beta - TrCP , ICAT , or Delta TCF4 .
 None
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