Until recently, the mechanisms that regulate endolysosomal calcium homoeostasis were poorly understood. The discovery of the molecular target of NAADP (nicotinic acid–adenine dinucleotide phosphate) as the two-pore channels resident in the endolysosomal system has highlighted this compartment as an important calcium store. The recent findings that dysfunctional NAADP release leads to defective endocytic function which in turn results in secondary lipid accumulation in the lysosomal storage disease Niemann–Pick type C, is the first evidence of a direct connection between a human disease and defective lysosomal calcium release. In the present review, we provide a summary of the current knowledge on mechanisms of calcium homoeostasis within the endolysosomal system and how these mechanisms may be affected in human metabolic disorders.
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Conference Article| November 24 2010
Endolysosomal calcium regulation and disease
Emyr Lloyd-Evans 1
*Department of Pharmacology, University of Oxford, Mansfield Road, Oxford OX1 3QT, U.K.
1To whom correspondence should be addressed at the present address: School of Biosciences, Cardiff University, Museum Avenue, Cardiff CF10 3AX, Wales, U.K. (email firstname.lastname@example.org).
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Emyr Lloyd-Evans, Helen Waller-Evans, Ksenia Peterneva, Frances M. Platt; Endolysosomal calcium regulation and disease. Biochem Soc Trans 1 December 2010; 38 (6): 1458–1464. doi: https://doi.org/10.1042/BST0381458
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