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|Title:||Mitochondria-targeted antioxidants and metabolic modulators as pharmacological interventions to slow ageing|
Reactive oxygen species
|Source:||Gruber, J., Fong, S., Chen, C.-B., Yoong, S., Pastorin, G., Schaffer, S., Cheah, I., Halliwell, B. (2013-09). Mitochondria-targeted antioxidants and metabolic modulators as pharmacological interventions to slow ageing. Biotechnology Advances 31 (5) : 563-592. ScholarBank@NUS Repository. https://doi.org/10.1016/j.biotechadv.2012.09.005|
|Abstract:||Populations in many nations today are rapidly ageing. This unprecedented demographic change represents one of the main challenges of our time. A defining property of the ageing process is a marked increase in the risk of mortality and morbidity with age. The incidence of cancer, cardiovascular and neurodegenerative diseases increases non-linearly, sometimes exponentially with age. One of the most important tasks in biogerontology is to develop interventions leading to an increase in healthy lifespan (health span), and a better understanding of basic mechanisms underlying the ageing process itself may lead to interventions able to delay or prevent many or even all age-dependent conditions. One of the putative basic mechanisms of ageing is age-dependent mitochondrial deterioration, closely associated with damage mediated by reactive oxygen species (ROS). Given the central role that mitochondria and mitochondrial dysfunction play not only in ageing but also in apoptosis, cancer, neurodegeneration and other age-related diseases there is great interest in approaches to protect mitochondria from ROS-mediated damage. In this review, we explore strategies of targeting mitochondria to reduce mitochondrial oxidative damage with the aim of preventing or delaying age-dependent decline in mitochondrial function and some of the resulting pathologies. We discuss mitochondria-targeted and -localized antioxidants (e.g.: MitoQ, SkQ, ergothioneine), mitochondrial metabolic modulators (e.g. dichloroacetic acid), and uncouplers (e.g.: uncoupling proteins, dinitrophenol) as well as some alternative future approaches for targeting compounds to the mitochondria, including advances from nanotechnology. © 2012 Elsevier Inc.|
|Source Title:||Biotechnology Advances|
|Appears in Collections:||Staff Publications|
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