18360
The transgene is expressed in osteoblasts , periosteum , and cortical bones , and plasma levels of TNAP in mice expressing Col1a1 - Tnap are 10 - 20 times higher than those of wild - type mice .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None