2393
In conclusion , these results identify full - length OPN and its fragments as novel , physiologically relevant substrates for PHEX , suggesting that accumulation of mineralization - inhibiting OPN fragments may contribute to the mineralization defect seen in the osteomalacic bone characteristic of XLH / HYP .
 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