6468
In gut endocrine L cells , the Wnt signaling pathway effector beta - catenin ( beta - cat ) / transcription factor 7 - like 2 mediates the stimulatory effect of insulin on proglucagon ( gcg ) expression and glucagon - like peptide - 1 ( GLP - 1 ) production .
 None
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:  
Answer:
 None