2390
Western blotting of Hyp ( the murine homolog of human XLH ) mouse bone extracts having no PHEX activity clearly showed accumulation of an ~ 35 kDa OPN fragment that was not present in wild - type mouse bone .
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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