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In this study , we demonstrated that treatment of rat primary astrocytes with antofine induced dose - dependent inhibition of gap junction intercellular communication ( GJIC ) , as assessed by scrape - loading 6 - carboxyfluorescein dye transfer .
 Chemical: antofine; Chemical: 6 - carboxyfluorescein
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: antofine; Chemical: 6 - carboxyfluorescein