23697
In OLETF rats at the age of 40 weeks , glial fibrillary acidic protein ( GFAP ) immunofluorescence staining was upregulated in vertical sections and showed a more ramified pattern in whole - mount retinas compared with that in LETO rats .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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