4301
However , ADAR1 and the related deaminase ADAR2 showed significant expression in all regions of the brain examined , including cortex , hippocampus , olfactory bulb , and striatum , where the 5 - HT2CR pre - mRNA was extensively edited .
 GENE: ADAR1; GENE: deaminase ADAR2; GENE: 5 - HT2CR pre - mRNA
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: ADAR1; GENE: deaminase ADAR2; GENE: 5 - HT2CR pre - mRNA