Cited by 398Iron Metabolism and DisordersIron and Steelmaking ProcessesFerroptosis and cancer prognosis

The struggle for iron - a metal at the host-pathogen interface: Iron at the host-pathogen interface

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Nairz, Manfred, Schroll, Andrea, Sonnweber, Thomas, Weiss, Günter·2010·Cellular Microbiology

Abstract

Iron holds a central position at the host-pathogen interface because mammalian and microbial cells have an essential demand for the metal, which is required for many metabolic processes. In addition, cross-regulatory interactions between iron homeostasis and immune function are evident. While iron affects the secretion of cytokines and the activity of transcription factors orchestrating immune responses, immune cell-derived mediators and acute-phase proteins control both systemic and cellular iron homeostasis. Additionally, immune-mediated strategies aim at restricting the supply of the essential nutrient iron to pathogens, which represents an effective strategy of host defence. On the other hand, microbes have evoked multiple strategies to utilize iron because a sufficient supply of this metal is linked to pathogen proliferation, virulence and persistence. The control over iron homeostasis is a central battlefield in host-pathogen interplay influencing the course of an infectious disease in favour of either the mammalian host or the pathogenic invader. This review summarizes our current knowledge on the combat of host cells and pathogens for the essential nutrient iron focusing on the immune-regulatory roles of iron on cell-mediated immunity necessary to control intracellular microbes, the host's mechanisms of iron restriction and on the counter-acting iron-acquisition strategies employed by intracellular microbes.

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Crossref · 10.1111/j.1462-5822.2010.01529.x

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  • Control over iron homeostasis is decisive in host-pathogen interaction.

    “The control over iron homeostasis is decisive in host–pathogen interaction (Schaible and Kaufmann, 2004; Nairz et al., 2010; Cassat and Skaar, 2013).”

    From Iron at the interface of immunity and infection (2014) · cites this paper as Nairz et al., 2010

  • Mechanisms for the acquisition of iron from hemoproteins such as HB and for the uptake of heme iron or ionic iron determine the virulence of human pathogens.

    “Therefore, mechanisms for the acquisition of iron from hemoproteins such as HB and for the uptake of heme iron or ionic iron determine the virulence of human pathogens (Nairz et al., 2010;Skaar and Raffatellu, 2015).”

    From Iron in infection and immunity (2020) · cites this paper as Nairz et al., 2010

  • The hypoferremic response to infection is also mediated by hepcidin-independent mechanisms, with cytokines such as interferon-gamma, tumor necrosis factor-alpha, IL-1, and IL-6 modulating iron metabolism.

    “The hypoferremic response to infection is also mediated by hepcidin-independent mechanisms. Cytokines such as interferon-gamma, tumor necrosis factor-alpha, IL-1, and IL-6 modulate iron metabolism to further strengthen iron-withholding defenses (Figure 2B – C) (Nairz et al., 2010; Weiss, 2005).”

    From Iron in infection and immunity (2013) · cites this paper as Nairz et al., 2010

  • Alterations of iron traffic are thought to result from a defense strategy of the body to limit the availability of iron for invading pathogens, leading to retention of iron in macrophages and impaired iron absorption from the diet.

    “These alterations of iron traffic are thought to result from defense strategy of the body to limit the availability of iron for invading pathogens (167–169), which lead to retention of iron in MΦs and an impaired iron absorption from the diet (170).”

    From Macrophage defense mechanisms against intracellular bacteria (2015) · cites this paper as [167]

  • Iron metabolism is significantly changed during the course of an infection.

    “Based on the decisive role of iron for both host immune system and microbe function, it is obvious that iron metabolism is significantly changed during the course of an infection (32, 167, 168).”

    From Macrophage defense mechanisms against intracellular bacteria (2015) · cites this paper as [167]

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Authors
Nairz, M., Schroll, A., Sonnweber, T., & Weiss, G.
Affiliations
Innsbruck Medical University (AT)
Corresponding author
Weiss, Günter
Venue
Cellular Microbiology
Published
2010-10-21
Volume
12
Issue
12
Pages
1691-1702
ISSN
1462-5814 (ISSN-L)
OpenAlex
W1584411124
Cited by
398
References
25
Citations by year
2026: 16 · 2025: 18 · 2024: 15 · 2023: 21 · 2022: 31 · 2021: 26 · 2020: 30 · 2019: 22 · 2018: 16 · 2017: 24 · 2016: 23 · 2015: 32 · 2014: 36 · 2013: 34 · 2012: 27
FWCI
4.48
Type
journal article
Language
en
Open access
Locations
  • Cellular Microbiology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Hematology › Iron Metabolism and Disorders
  • Physical Sciences › Engineering › Mechanical Engineering › Iron and Steelmaking Processes
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Ferroptosis and cancer prognosis
Keywords
iron homeostasis, host-pathogen interaction, iron limitation, iron acquisition, intracellular pathogens, cell-mediated immunity, cytokine production, acute phase proteins, microbial virulence, host defense
MeSH terms
Bacteria, Communicable Diseases, Fungi, Iron, Host-Pathogen Interactions, Eukaryota

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