19229
Furthermore , we will discuss briefly the development of connexin ( Cx ) 43 ( E2 ) antibody , a specific antibody which detects the second extracellular loop of Cx43 and specifically prevents the opening of Cx43 hemichannels .
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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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