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We show here that the LIM domain homeobox protein isl - 1 activates the rat amylin promoter in both fibroblast and islet cell lines .
 LIM domain, homeobox protein, isl - 1, rat amylin promoter
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 LIM domain, homeobox protein, isl - 1, rat amylin promoter