4457
Glucosamine at 50 mM was demonstrated to elevate both the mRNA and protein expression of p53 and heme oxygenase - 1 ( HO - 1 ) , but also caused a reduction in p21 protein expression .
 Chemical: Glucosamine; Chemical: heme
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: Glucosamine; Chemical: heme