http://www.nature.com/cdd/journal/vaop/ncurrent/full/cdd201520a.html
Activation of sirtuin 1 as therapy for the peroxisomal disease adrenoleukodystrophy
L Morató, M Ruiz, J Boada, N Y Calingasan, J Galino, C Guilera, M Jové,A Naudí, I Ferrer, R Pamplona, M Serrano, M Portero-Otín, M F Beal, S Fourcade and A Pujol
Abstract
Oxidative stress and mitochondrial failure are prominent factors in the axonal degeneration process. In this study, we demonstrate that sirtuin 1 (SIRT1), a key regulator of the mitochondrial function, is impaired in the axonopathy and peroxisomal disease X-linked adrenoleukodystrophy (X-ALD). We have restored SIRT1 activity using a dual strategy of resveratrol treatment or by the moderate transgenic overexpression of SIRT1 in a X-ALD mouse model. Both strategies normalized redox homeostasis, mitochondrial respiration, bioenergetic failure, axonal degeneration and associated locomotor disabilities in the X-ALD mice. These results indicate that the reactivation of SIRT1 may be a valuable strategy to treat X-ALD and other axonopathies in which the control of redox and energetic homeostasis is impaired.
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