10/03/1997 - "In contrast, U91356A given in a continuous mode led to partial behavioral tolerance without appearance of dyskinesias. "
05/22/1995 - "In contrast, animals treated in a continuous mode with U91356A showed behavioral tolerance but did not develop dyskinesia. "
05/22/1995 - "Animals treated in a pulsatile mode with U91356A or levodopa injections showed progressive sensitization to their respective drug and developed choreic dyskinesia. "
10/03/1997 - "In MPTP monkeys, pulsatile treatment with either L-DOPA or U91356A relieved parkinsonian symptoms but caused progressive sensitization to treatment and, as expected, induced choreic dyskinesias. "
|1.||Levodopa (L Dopa)
|2.||1- Methyl- 4- phenyl- 1,2,3,6- tetrahydropyridine (MPTP)