7511
The GHR mRNA : GHBP mRNA ratio was 1 . 1 + / - 0 . 12 and remained unchanged during differentiation .
 GHR mRNA, GHBP mRNA
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 GHR mRNA, GHBP mRNA