954
Correspondingly , DHPG - induced long - term depression ( LTD ) at Schaffer collateral / CA1 pyramidal cell synapses was amplified in hippocampal slices of cLH rats , whereas LTD induced by low frequency stimulation of the Schaffer collaterals did not change .
 Chemical: DHPG
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: DHPG