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Progesterone , estradiol and testosterone have been shown to control reactive gliosis in different models of CNS injury , modifying the number of reactive astrocytes and reactive microglia and the expression of anti - inflammatory and proinflammatory mediators .
 Chemical: Progesterone; Chemical: estradiol; Chemical: testosterone
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: Progesterone; Chemical: estradiol; Chemical: testosterone