2235
High - fat feeding or CNS leptin overexpression in chow - fed rats results in a region - specific cellular leptin resistance in medial basal hypothalamic regions and the ventral tegmental area ( VTA ) .
 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