5354
The role of voltage - gated potassium channels Kv2 . 1 and Kv2 . 2 in the regulation of insulin and somatostatin release from pancreatic islets .
 Chemical: potassium
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: potassium