580
This hypothesis stems from findings that PREGS is a potent positive modulator of N - methyl - d - aspartate receptors ( NMDARs ) and a negative modulator of gamma - aminobutyric acid ( A ) receptors ( GABA ( A ) Rs ) .
 Chemical: PREGS; Chemical: N - methyl - d - aspartate; Chemical: gamma - aminobutyric acid; Chemical: GABA
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: PREGS; Chemical: N - methyl - d - aspartate; Chemical: gamma - aminobutyric acid; Chemical: GABA