807
Conversely , down - regulation of alphaENaC , betaENaC and gammaENaC mRNA expression on day 3 occurred in the presence of high aldosterone concentrations , and was followed by a return of sodium excretion to control values .
 Chemical: aldosterone; Chemical: sodium
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: aldosterone, sodium 
Answer:
 Chemical: aldosterone; Chemical: sodium