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Nat Rev Neurosci. 2018 Jan 19;19(2):63-80. doi: 10.1038/nrn.2017.170.

Mitochondria at the neuronal presynapse in health and disease.

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Department of Neuroscience, Physiology and Pharmacology, University College London, London WC1E 6BT, UK.


Synapses enable neurons to communicate with each other and are therefore a prerequisite for normal brain function. Presynaptically, this communication requires energy and generates large fluctuations in calcium concentrations. Mitochondria are optimized for supplying energy and buffering calcium, and they are actively recruited to presynapses. However, not all presynapses contain mitochondria; thus, how might synapses with and without mitochondria differ? Mitochondria are also increasingly recognized to serve additional functions at the presynapse. Here, we discuss the importance of presynaptic mitochondria in maintaining neuronal homeostasis and how dysfunctional presynaptic mitochondria might contribute to the development of disease.

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