2597
We found that in addition to its well - characterized effect on VRAC , DCPIB potently inhibited glutamate release via connexin hemichannels and glutamate uptake via the glutamate transporter GLT - 1 in rat glial cells .
 DCPIB, glutamate, glutamate, glutamate
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 DCPIB, glutamate, glutamate, glutamate