2420
Consistent with this role , emerging evidence indicates that signals arising from apoptotic and old / or dysfunctional osteocytes are seminal culprits in the pathogenesis of involutional , post - menopausal , steroid - , and immobilization - induced osteoporosis .
 Chemical: steroid
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: steroid