5018
Knockdown or pharmacologic inhibition of the down - stream signal transducer and activator of transcription - 5 ( STAT5 ) also blunted the induction of ABCG2 by PRL , suggesting a role for the JAK2 / STAT5 pathway in PRL - induced ABCG2 expression .
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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