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The Central Role of Biometals Maintains Oxidative Balance in the Context of Metabolic and Neurodegenerative Disorders #MMPMID28751933
Pokusa M; Kralova Trancikova A
Oxid Med Cell Longev 2017[]; 2017 (?): 8210734 PMID28751933show ga
Traditionally, oxidative stress as a biological aspect is defined as an imbalance between the free radical generation and antioxidant capacity of living systems. The intracellular imbalance of ions, disturbance in membrane dynamics, hypoxic conditions, and dysregulation of gene expression are all molecular pathogenic mechanisms closely associated with oxidative stress and underpin systemic changes in the body. These also include aspects such as chronic immune system activation, the impairment of cellular structure renewal, and alterations in the character of the endocrine secretion of diverse tissues. All of these mentioned features are crucial for the correct function of the various tissue types in the body. In the present review, we summarize current knowledge about the common roots of metabolic and neurodegenerative disorders induced by oxidative stress. We discuss these common roots with regard to the way that (1) the respective metal ions are involved in the maintenance of oxidative balance and (2) the metabolic and signaling disturbances of the most important biometals, such as Mg(2+), Zn(2+), Se(2+), Fe(2+), or Cu(2+), can be considered as the central connection point between the pathogenesis of both types of disorders and oxidative stress.
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Oxid+Med+Cell+Longev 2017 ; 2017 (?): 8210734
