Title : 6-Hydroxydopamine-induced turning behaviour in the rat: the significance of acetylcholinesterase in cerebrospinal fluid.

Pub. Date : 1986 Jul

PMID : 3091047






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1 6-Hydroxydopamine-induced turning behaviour in the rat: the significance of acetylcholinesterase in cerebrospinal fluid. Oxidopamine acetylcholinesterase Rattus norvegicus
2 It was found that acetylcholinesterase levels, lower than those in the cerebrospinal fluid of control rats, were accompanied by marginal circling behaviour and a small loss of striatal dopamine: on the other hand, elevated acetylcholinesterase activity was observed in the cerebrospinal fluid of rats displaying vigorous turning behaviour and with large depletion of striatal dopamine. Dopamine acetylcholinesterase Rattus norvegicus
3 It was found that acetylcholinesterase levels, lower than those in the cerebrospinal fluid of control rats, were accompanied by marginal circling behaviour and a small loss of striatal dopamine: on the other hand, elevated acetylcholinesterase activity was observed in the cerebrospinal fluid of rats displaying vigorous turning behaviour and with large depletion of striatal dopamine. Dopamine acetylcholinesterase Rattus norvegicus
4 It was found that acetylcholinesterase levels, lower than those in the cerebrospinal fluid of control rats, were accompanied by marginal circling behaviour and a small loss of striatal dopamine: on the other hand, elevated acetylcholinesterase activity was observed in the cerebrospinal fluid of rats displaying vigorous turning behaviour and with large depletion of striatal dopamine. Dopamine acetylcholinesterase Rattus norvegicus
5 It has already been demonstrated that exogenous acetylcholinesterase, applied locally to nigral neurones, has both electrophysiological and behavioural effects reminiscent of dopamine agonists. Dopamine acetylcholinesterase Rattus norvegicus
6 Hence it is possible that exogenous acetylcholinesterase could modify turning behaviour resulting from unilateral striatal dopamine depletion. Dopamine acetylcholinesterase Rattus norvegicus
7 The possible mechanisms are discussed by which endogenous acetylcholinesterase in cerebrospinal fluid could serve as an index of dopamine depletion in the nigrostriatal pathway and how exogenous enzymes might alleviate the accompanying motor dysfunction. Dopamine acetylcholinesterase Rattus norvegicus