24639
However , Bv8 downstream signaling pathway ( s ) intrinsic to myeloid cells crucial for angiogenesis , and potentially also for development of cancers of myeloid origin , remains largely unknown .
 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