Neurodegeneration with brain iron accumulation: Insights into the mitochondria dysregulation
- PMID: 31404774
- DOI: 10.1016/j.biopha.2019.109068
Neurodegeneration with brain iron accumulation: Insights into the mitochondria dysregulation
Abstract
NBIA (Neurodegeneration with brain iron accumulation) is a group of inherited neurologic disorders characterized by marked genetic heterogeneity, in which iron atypical accumulates in basal ganglia resulting in brain magnetic resonance imaging changes, histopathological abnormalities, and neuropsychiatric clinical symptoms. With the rapid development of high-throughput sequencing technologies, ten candidate genes have been identified, including PANK2, PLA2G6, C19orf12, WDR45, FA2H, ATP13A2, FTL, CP, C2orf37, and COASY. They are involved in seemingly unrelated cellular pathways, such as iron homeostasis (FTL, CP), lipid metabolism (PLA2G6, C19orf12, FA2H), Coenzyme A synthesis (PANK2, COASY), and autophagy (WDR45, ATP13A2). In particular, PANK2, COASY, PLA2G6, and C19orf12 are located on mitochondria, which associate with certain subtypes of NBIA showing mitochondria dysregulation. However, the relationships among those four genes are still unclear. Therefore, this review is specifically focused on dysregulation of mitochondria in NBIA and afore-mentioned four genes, with summaries of both pathological and clinical findings.
Keywords: C19orf12; COASY; Mitochondria; Neurodegeneration with brain iron accumulation; PANK2; PLA2G6.
Copyright © 2019 The Authors. Published by Elsevier Masson SAS.. All rights reserved.
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