24326
The presence of the functional leptin receptor in the lung together with evidence of increased airspace leptin levels arising during pulmonary inflammation , suggests an important role for leptin in lung development , respiratory immune responses and eventually pathogenesis of inflammatory respiratory diseases .
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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