Behavioural effects of NKH-477, a forskolin analogue, on locomotion and rearing in rats

The International Journal of Neuropsychopharmacology
O Kofman, Yuli Bersudsky

Abstract

NKH-477 is a water-soluble analogue of forskolin that stimulates adenylate cyclase and has antidepressant properties in the forced swim model of depression. The effect of chronic NKH-477 on locomotion and rearing and its behavioural interaction with lithium and inositol was tested. NKH-477 (1.5 mg/kg), administered acutely or chronically for 9 d to rats, induced a significant reduction in locomotor behaviour and rearing. In a second experiment, rats were pretreated with chronic dietary lithium, inositol or control diet for 3 wk before being injected with either saline or NKH-477. Inositol had no effect on the decreased locomotion and rearing induced by NKH-477. There was a significant, but transient, interaction between lithium and NKH-477 on rearing on the second and third days of treatment. The lithium group had lower baseline rearing than control or inositol-treated rats, and was not further affected by NKH-477 treatment. This is the first report of a marked effect of this forskolin analogue on locomotion and rearing, with no tolerance in the time frame examined. The interaction between NKH-477 and lithium suggests that the well-documented ability of lithium to inhibit stimulation of the cAMP system is relevant to its behavi...Continue Reading

Citations

Jun 29, 2004·Behavioural Brain Research·Joseph A SchroederEllen M Unterwald
May 29, 2007·Neuroscience and Biobehavioral Reviews·Kelley C O'Donnell, Todd D Gould
Mar 18, 2006·Bipolar Disorders·Alona ShaldubinaYuly Bersudsky

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