Neuronal vulnerability of CLN3 deletion to calcium-induced cytotoxicity is mediated by calsenilin

Abstract excerpt

Calsenilin/DREAM/KChIP3, a neuronal Ca(2+)-binding protein, has multifunctions in nucleus and cytosol. Here, we identified CLN3 as a calsenilin-binding partner whose mutation or deletion is observed in Batten disease. In vitro binding and immunoprecipitation assays show that calsenilin interacts with the C-terminal region of CLN3 and the increase of Ca(2+) concentration in vitro and in cells causes significant...

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