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Because islet inflammation may originate from endothelial cells , we assessed the expression of selected genes involved in endothelial cell activation in islets from a spontaneous model of type 2 diabetes , the Goto - Kakizaki ( GK ) rat .
 islet, endothelial cells, endothelial cell, islets
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
 islet, endothelial cells, endothelial cell, islets