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- Li, Xianchan, 1982, et al.
(author)
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Using Single-Cell Amperometry To Reveal How Cisplatin Treatment Modulates the Release of Catecholamine Transmitters during Exocytosis
- 2016
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In: Angewandte Chemie-International Edition. - : Wiley. - 1433-7851 .- 1521-3773. ; 55:31, s. 9041-9044
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Journal article (peer-reviewed)abstract
- The pretreatment of cultured pheochromocytoma (PC12) cells with cis-diamminedichloroplatinum (cisplatin), an anti-cancer drug, influences the exocytotic ability of the cells in a dose-dependent manner. Low concentrations of cisplatin stimulate catecholamine release whereas high concentrations inhibit it. Single-cell amperometry reflects that 2 mm cisplatin treatment increases the frequency of exocytotic events and reduces their duration, whereas 100 mm cisplatin treatment decreases the frequency of exocytotic events and increases their duration. Furthermore, the stability of the initial fusion pore that is formed in the lipid membrane during exocytosis is also regulated differentially by different cisplatin concentrations. This study thus suggests that cisplatin influences exocytosis by multiple mechanisms.
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