6075
The islet - enriched pattern of Ldb1 was similar to pan - endocrine cell - expressed Islet - 1 ( Isl1 ) , which was demonstrated in this study to be the primary LIM - HD transcription factor in developing and adult islet cells .
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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:
 None