10845
These studies suggest an additional component or cellular environment is required for SPRK activation by Cdc42 .
 GENE: SPRK; GENE: Cdc42
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities: SPRK, Cdc42 
Answer:
 GENE: SPRK; GENE: Cdc42