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The mitochondrion: a perpetrator of acquired hearing loss.

Hearing Research {focus_keyword} The mitochondrion: a perpetrator of acquired hearing loss. Hearing ResearchHear Res. 2013 Sep;303:12-9.

The mitochondrion: a perpetrator of acquired hearing loss.

Böttger EC1, Schacht J.

1Institut für Medizinische Mikrobiologie, Universität Zürich, Zürich, Switzerland.

Abstract

Age, drugs, and noise are major causes of acquired hearing loss. The involvement of reactive oxygen species (ROS) in hair cell death has long been discussed, but there is considerably less information available as to the mechanisms underlying ROS formation. Most cellular ROS arise in mitochondria and this review will evaluate evidence for mitochondrial pathology in general and dysfunction of the mitochondrial respiratory chain in particular in acquired hearing loss. We will discuss evidence that different pathways can lead to the generation of ROS and that oxidative stress might not necessarily be causal to all three pathologies. Finally, we will detail recent advances in exploiting knowledge of aminoglycoside-mitochondria interactions for the development of non-ototoxic antibacterials. This article is part of a Special Issue entitled “Annual Reviews 2013″.

 

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