1408
PRL and IL-2 receptor activation are both linked to the Jak/Stat ( signal transducer and activator of transcription ) pathway .
 protein: PRL; protein: Jak/Stat; protein: IL-2; protein: signal transducer and activator of transcription
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: PRL; protein: Jak/Stat; protein: IL-2; protein: signal transducer and activator of transcription