Title : Effect of subchronic treatment with metrifonate and tacrine on brain cholinergic function in aged F344 rats.

Pub. Date : 1998 Jul 31

PMID : 9726626






3 Functional Relationships(s)
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1 A 75% inhibition of cholinesterase activity was found 18 h after the last metrifonate administration, while only a 15% inhibition was detectable 18 h after the last tacrine administration. Trichlorfon butyrylcholinesterase Rattus norvegicus
2 The challenge with metrifonate or tacrine resulted in 90 and 80% cholinesterase inhibition, respectively. Trichlorfon butyrylcholinesterase Rattus norvegicus
3 These results demonstrate that in aging rats a subchronic treatment with metrifonate results in a long-lasting, cholinesterase inhibition, and a persistent increase in acetylcholine extracellular levels which compensate for the age-associated cholinergic hypofunction. Trichlorfon butyrylcholinesterase Rattus norvegicus