New Insights into the Role of Ferritin in Iron Homeostasis and Neurodegenerative Diseases

Growing evidence has indicated that iron deposition is one of the key factors leading to neuronal death in the neurodegenerative diseases. Ferritin is a hollow iron storage protein composed of 24 subunits of two types, ferritin heavy chain (FTH) and ferritin light chain (FTL), which plays an importa...

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Veröffentlicht in:Molecular neurobiology 2021-06, Vol.58 (6), p.2812-2823
Hauptverfasser: Zhang, Na, Yu, Xiaoqi, Xie, Junxia, Xu, Huamin
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Yu, Xiaoqi
Xie, Junxia
Xu, Huamin
description Growing evidence has indicated that iron deposition is one of the key factors leading to neuronal death in the neurodegenerative diseases. Ferritin is a hollow iron storage protein composed of 24 subunits of two types, ferritin heavy chain (FTH) and ferritin light chain (FTL), which plays an important role in maintaining iron homeostasis. Recently, the discovery of extracellular ferritin and ferritin in exosomes indicates that ferritin might be not only an iron storage protein within the cell, but might also be an important factor in the regulation of tissue and body iron homeostasis. In this review, we first described the structural characteristics, regulation and the physiological functions of ferritin. Secondly, we reviewed the current evidence concerning the mechanisms underlying the secretion of ferritin and the possible role of secreted ferritin in the brain. Then, we summarized the relationship between ferritin and the neurodegenerative diseases including Parkinson’s disease (PD), Alzheimer’s disease (AD) and neuroferritinopathy (NF). Given the importance and relationship between iron and neurodegenerative diseases, understanding the role of ferritin in the brain can be expected to contribute to our knowledge of iron dysfunction and neurodegenerative diseases.
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subjects Alzheimer's disease
Biomedical and Life Sciences
Biomedicine
Cell Biology
Exosomes
Ferritin
Homeostasis
Iron
Movement disorders
Neurobiology
Neurodegenerative diseases
Neurology
Neurosciences
Parkinson's disease
title New Insights into the Role of Ferritin in Iron Homeostasis and Neurodegenerative Diseases
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