2095
We have previously demonstrated that expression of the gene for the reproductive neuropeptide , GnRH , is repressed by the glutamate / NO / cyclic GMP ( cGMP ) signal transduction pathway through cGMP - dependent protein kinase in the hypothalamic GnRH - secreting neuronal cell line GT1 - 7 .
 GENE: GnRH; GENE: cGMP - dependent protein kinase; GENE: GnRH
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: GnRH; GENE: cGMP - dependent protein kinase; GENE: GnRH