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The ageing brain, mitochondria and neurodegeneration

Lookup NU author(s): Dr Gavin Hudson

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Abstract

© Springer International Publishing 2016. All rights reserved. The brain is a complex and energy-demanding organ, which like any organ is subject to the ravages of time. Mitochondria are synonymous with their role in energy production, which is particularly critical to high-energy-demanding cells such as neurons. Here we discuss ageing of the brain, initially setting the scene by introducing the core concepts associated with brain ageing; discussing the physiological, genetic and cognitive changes which occur over time; and subsequently introducing the roles that mitochondria play in the 'normal' brain ageing process. The final section of the chapter discusses the role of both inherited and somatic mitochondrial DNA variation in neurodegeneration, initially in the context of primary mitochondrial disorders (such as Leber's hereditary optic neuropathy, myoclonic epilepsy and ragged-red fibres and mitochondrial encephalomyopathy lactic acidosis and stroke-like episodes) and subsequently in the context of common, but more complex, neurodegenerative diseases such as Parkinson's disease, Alzheimer's disease, Huntington's disease, amyotrophic lateral sclerosis, Friedreich's ataxia, hereditary spastic paraplegia and multiple sclerosis.


Publication metadata

Author(s): Hudson G

Editor(s): Reeve A; Simcox E; Duchen M; Turnbull D

Publication type: Book Chapter

Publication status: Published

Book Title: Mitochondrial Dysfunction in Neurodegenerative Disorders: Second Edition

Year: 2016

Pages: 59-80

Print publication date: 21/06/2016

Online publication date: 09/06/2016

Acceptance date: 02/04/2016

Publisher: Springer International Publishing

Place Published: Cham

URL: https://doi.org/10.1007/978-3-319-28637-2_3

DOI: 10.1007/978-3-319-28637-2_3

Notes: 9783319286358 Hardback ISBN

Library holdings: Search Newcastle University Library for this item

ISBN: 9783319286372


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