Cell death in weaver mouse cerebellum.

Abstract excerpt

Mice with the weaver mutation exhibit an uneven weave to their gait, ataxia, mild locomotor hyperactivity and, occasionally, tonic-clonic seizures. A single amino acid mutation in a G-protein coupled, inwardly rectifying K+ channel, GIRK2, gives rise to the symptoms seen in the weaver mice. Two areas of the brain are primarily affected. Cerebellar granule cell neurons die soon after birth and dopaminergic neurons...

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