5774
These data indicate that ephrinB2 / EphB4 signaling within the osteoblast lineage is required for late stages of osteoblast differentiation and , further , restricts the ability of osteoblasts to support osteoclast formation , at least in part by limiting RANKL production .
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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