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Using puromycin aminonucleoside nephrosis ( PAN ) rats , we studied early ultrastructural and permeability changes in relation to the expression of the podocyte - associated molecules nephrin , a - actinin , dendrin , and plekhh2 , the last two of which were only recently discovered in podocytes .
 Chemical: puromycin aminonucleoside; Disease: nephrosis
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: puromycin aminonucleoside, nephrosis 
Answer:
 Chemical: puromycin aminonucleoside; Disease: nephrosis