Advances in Ferritin Physiology and Possible Implications in Bacterial Infection

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Abstract
Due to its advantageous redox properties, iron plays an important role in the metabolism of nearly all life. However, these properties are not only a boon but also the bane of such life forms. Since labile iron results in the generation of reactive oxygen species by Fenton chemistry, iron is stored in a relatively safe form inside of ferritin. Despite the fact that the iron storage protein ferritin has been extensively researched, many of its physiological functions are hitherto unresolved. However, research regarding ferritin’s functions is gaining momentum. For example, recent major discoveries on its secretion and distribution mechanisms have been made as well as the paradigm-changing finding of intracellular compartmentalization of ferritin via interaction with nuclear receptor coactivator 4 (NCOA4). In this review, we discuss established knowledge as well as these new findings and the implications they may have for host–pathogen interaction during bacterial infection.
Funding Information
  • Austrian Science Fund (P33062-B, MCBD, 515/2018, W1253, P33062-B)
  • Austrian Science Fund (P33062-B, MCBD, 515/2018, W1253, P33062-B)
  • Israel Science Foundation (P33062-B, MCBD, 515/2018, W1253, P33062-B)
  • Christian Doppler Society and the Austrian Science Fund (P33062-B, MCBD, 515/2018, W1253, P33062-B)
  • Austrian Science Fund (P33062-B, MCBD, 515/2018, W1253, P33062-B)

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