24338
The other polyamine biosynthesis genes , ADC and SPDSYN exhibited ~ 1 . 5 fold decrease in their transcript levels .
 Chemical: polyamine
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: polyamine 
Answer:
 Chemical: polyamine