Katsuiko Mikoshiba

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The subcellular distribution of endoplasmic reticulum proteins (IP3R1 and RYR), plasma membrane (PM) proteins (mGluR1 and PMCA Ca(2+)-pump), and scaffolding proteins, such as Homer 1b/c, was assessed by laser scanning confocal microscopy of rat cerebellum parasagittal sections. There appeared to be two classes of Ca2+ stores, nonjunctional Ca2+ stores and(More)
Immunohistochemical analyses were carried out on the Purkinje cells from 21 autopsied fetal and early postnatal normal cerebella using a monoclonal antibody against the inositol 1, 4, 5-triphosphate type 1 receptor (IP3R1) as a cytochemical marker of Purkinje cells. In normal adult cerebella used as positive controls, the cell bodies, axons, and dendrites,(More)
We carried out immunohistochemical studies on cerebellar Purkinje cells in sporadic olivopontocerebellar atrophy (OPCA) and in granule cell-type cerebellar degeneration (gc-CD). The cell bodies, axons and dendrites including spiny branchlets and dendritic spines of normal Purkinje cells were intensely stained by the antibody against P400(More)
Type I inositol 1,4,5-trisphosphate-sensitive receptors (InsP(3)R) are expressed in human oocytes and may be involved in operating the Ca(2+) release triggered by the fertilizing sperm. This study examines the contribution of type I InsP(3)R in operating Ca(2+) release in human oocytes secondary to InsP(3) itself, using a specific function-blocking antibody(More)
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