16105
A dominant negative PKA ( DNPKA ) reduced GnRH - stimulated pCREB and markedly decreased GnRH stimulation of FSH beta mRNA and FSH beta LUC activity , but had little effect on LH beta LUC activity , indicating relative specificity of this pathway .
 Chemical: GnRH; Chemical: GnRH
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: GnRH; Chemical: GnRH