Key result
K+ channel beta-subunit polypeptides in rat brain are widely distributed and associate specifically with Kv1.2 and Kv1.4 alpha-subunits, but not Kv2.1.
Population
Adult rat brain membranes and tissue
Design
Preclinical
Authors
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Suggests domain-specific K+ channel regulation in neurons; leaves open translation to human disease or therapy.
Neuronal mechanisms may direct selective interaction of K+ channel alpha- and beta-subunits, regulating channel properties in specific subcellular domains.
Rhodes et al. (1995) studied this question. K+ channel subunit expression was evaluated on Association and colocalization of K+ channel alpha- and beta-subunit polypeptides. K+ channel beta-subunit polypeptides in rat brain are widely distributed and associate specifically with Kv1.2 and Kv1.4 alpha-subunits, but not Kv2.1.
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