Lipid (per) oxidation in mitochondria: an emerging target in the ageing process?

O. Stella Ademowo, Irundika K.I. Dias, Dominick G.A. Burton, Helen R. Griffiths

Research output: Contribution to journalArticle

Abstract

Lipids are essential for physiological processes such as maintaining membrane integrity, providing a source of energy and acting as signalling molecules to control processes including cell proliferation, metabolism, inflammation and apoptosis. Disruption of lipid homeostasis can promote pathological changes that contribute towards biological ageing and age-related diseases. Several age-related diseases have been associated with altered lipid metabolism and an elevation in highly damaging lipid peroxidation products; the latter has been ascribed, at least in part, to mitochondrial dysfunction and elevated ROS formation. In addition, senescent cells, which are known to contribute significantly to age-related pathologies, are also associated with impaired mitochondrial function and changes in lipid metabolism. Therapeutic targeting of dysfunctional mitochondrial and pathological lipid metabolism is an emerging strategy for alleviating their negative impact during ageing and the progression to age-related diseases. Such therapies could include the use of drugs that prevent mitochondrial uncoupling, inhibit inflammatory lipid synthesis, modulate lipid transport or storage, reduce mitochondrial oxidative stress and eliminate senescent cells from tissues. In this review, we provide an overview of lipid structure and function, with emphasis on mitochondrial lipids and their potential for therapeutic targeting during ageing and age-related disease.

LanguageEnglish
Number of pages21
JournalBiogerontology
Volumein press
Early online date24 May 2017
DOIs
Publication statusE-pub ahead of print - 24 May 2017

Fingerprint

Mitochondria
Lipids
Lipid Metabolism
Physiological Phenomena
Lipid Peroxidation
Oxidative Stress
Homeostasis
Therapeutics
Cell Proliferation
Apoptosis
Pathology
Inflammation
Membranes
Pharmaceutical Preparations

Bibliographical note

This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

Keywords

  • ageing
  • antioxidant
  • cellular senescence
  • fatty acid
  • membrane lipid remodelling
  • mitochondria
  • oxidised phospholipid

Cite this

Ademowo, O. Stella ; Dias, Irundika K.I. ; Burton, Dominick G.A. ; Griffiths, Helen R. / Lipid (per) oxidation in mitochondria : an emerging target in the ageing process?. In: Biogerontology. 2017 ; Vol. in press.
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Lipid (per) oxidation in mitochondria : an emerging target in the ageing process? / Ademowo, O. Stella; Dias, Irundika K.I.; Burton, Dominick G.A.; Griffiths, Helen R.

In: Biogerontology, Vol. in press, 24.05.2017.

Research output: Contribution to journalArticle

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