6612
PRLR knockdown decreased the rate of GHR proteolytic turnover , yielding GHR protein increase and ensuing sensitization of these cells to GHR signaling events including phosphorylation of GHR , Janus kinase 2 , and signal transducer and activator of transcription 5 ( STAT5 ) .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None