Browsing by Author "Satoh, Yoh-ichi"

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    ATP-induced nuclear and cytosolic ca2+ signal in various stages of interphase hela/fucci2 cell
    (Mohammad Nassar for Researches (MNFR), 2015) Mchonde, Gabriel J.; Satoh, Yoh-ichi; Saino, Tomoyuki
    Cell cycle progression involves the coordination of growth, DNA replication and division in proliferating cells. These intracellular activities are linked with calcium signaling in which calcium ion (Ca2+) act as a second messenger or as an agent for phosphorylation processes. Previous studies have examined the Ca2+ in the dividing cells; however, none of these gave the detailed explanation on Ca2+ dynamics in an interphase cell. This study addresses here the issue of whether the nuclear and cytosolic Ca2+ concentrations ([Ca2+]n and [Ca2+]c) changes are related or not in the dividing interphase cells. Current approach used interphase HeLa/Fucci2 cells to investigate the intracellular Ca2+ dynamics between the nucleoplasm and cytoplasm following stimulation with extracellular adenosine triphosphate (extracellular purinergic-2 receptor agonists). The results revealed that [Ca2+]n and [Ca2+]c signals differed both between and within interphase stages.