19537
In addition to the well known regulating effects of leptin on energy balance and glucose homeostasis through the central nervous system , circulating leptin has a direct effect on pancreatic islet and insulin secretion through its receptor ( OBRb ) .
 Chemical: glucose
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: glucose