期刊
FREE RADICAL BIOLOGY AND MEDICINE
卷 162, 期 -, 页码 471-477出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.freeradbiomed.2020.11.002
关键词
Neuroglobin; Mitochondria; Oxidative stress; ATP; Apoptosis; Neurodegenerative diseases
Neuroglobin, identified in 2000 in neurons of human and mouse nervous systems, is an oxygen-binding globin that provides protective effects against hypoxic/ischemic damage by promoting oxygen availability within the mitochondria. Impaired neuroglobin functioning has been linked to the pathogenesis of multiple neurodegenerative disorders. Studies have shown the potential of neuroglobin upregulation in improving neuroprotection through modulation of mitochondrial functions.
Neuroglobin is the third member of the globin family to be identified in 2000 in neurons of both human and mouse nervous systems. Neuroglobin is an oxygen-binding globin found in neurons within the central nervous system as well as in peripheral neurons, that produces a protective effect against hypoxic/ischemic damage induced by promoting oxygen availability within the mitochondria. Numerous investigations have demonstrated that impaired neuroglobin functioning is implicated in the pathogenesis of multiple neurodegenerative disorders. Several in vitro and animal studies have reported the potential of neuroglobin upregulation in improving the neuroprotection through modulation of mitochondrial functions, such as ATP production, clearing reactive oxygen species (ROS), promoting the dynamics of mitochondria, and controlling apoptosis. Neuroglobin acts as a stress-inducible globin, which has been associated hypoxic/ischemic insults where it acts to protect the heart and brain, providing a wide range of applicability in the treatment of human disorders. This review article discusses normal physiological functions of neuroglobin in mitochondria-associated pathways, as well as outlining how dysregulation of neumglobin is associated with the pathogenesis of neurodegenerative disorders.
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