Forskolin 1 μM | IBMX 50 μM | DDA 100 μM | Rolipram 1 μM | DHPG 100 μM | 5-HT 2 μM |
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1.62 ± 0.12 | 1.45 ± 0.07 | -0.12 ± 0.05 | 1.19 ± 0.08 | 0.74 ± 0.07 | 0.81 ± 0.05 |
- Mean data ± S. E. M. were obtained in 4 to 8 neurons in four different preparations and are presented as changes from the resting cAMP level (mean = 0.09 ± 0.03 μM). Group I metabotropic glutamate receptors (mGluR1/5) were activated with (S)-3,5-dihydroxyphenylglycine (DHPG).