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- W658331785 abstract "We previously reported that overexpression of members of the Importin (Imp) superfamily of nuclear transporters results in increased nuclear trafficking through conventional transport pathways in tumour cells. Here we show for the first time that the extent of overexpression of Impβ1 correlates with disease state in the MCF10 human breast tumour progression system. Excitingly, we find that targeting Impβ1 activity through siRNA is >30 times more efficient in decreasing the viability of malignant ductal carcinoma cells compared to isogenic non-transformed counterparts, and is highly potent and tumour selective at subnanomolar concentrations. Tumour cell selectivity of the siRNA effects was unique to Impβ1 and not other Imps, with flow cytometric analysis showing >60% increased cell death compared to controls concomitant with reduced nuclear import efficiency as indicated by confocal microscopic analysis. This hypersensitivity of malignant cell types to Impβ1 knockdown raises the exciting possibility of anti-cancer therapies targeted at Impβ1." @default.
- W658331785 created "2016-06-24" @default.
- W658331785 creator A5000949819 @default.
- W658331785 creator A5070182251 @default.
- W658331785 date "2015-08-01" @default.
- W658331785 modified "2023-09-27" @default.
- W658331785 title "Hyper-dependence of breast cancer cell types on the nuclear transporter Importin β1" @default.
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- W658331785 doi "https://doi.org/10.1016/j.bbamcr.2015.05.002" @default.
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