9267
In this study , we hypothesized that combined delivery of TAT - HSP27 ( HSP27 fused with transcriptional activator ) and VEGF could enhance the therapeutic efficacy in an ischemic mouse model , and that sequential release could be critical in therapeutic angiogenesis .
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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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