Abstract
Iron deficiency (ID) remains the most common nutritional disorder worldwide. Although iron is biologically essential, tight regulation of iron balance is critical to prevent iron toxicity. Significant progress has been made on iron disorder diseases since the discovery of hepcidin in 2000. Hepcidin, a master iron regulator, controls iron balance through degradation of ferroportin, the only known mammalian iron exporter. Insufficient hepcidin synthesis is central to hereditary iron overload. Uncontrolled inflammation promotes hepcidin overproduction and triggers functional ID and anemia of inflammation. Hence, the etiology of iron restriction and iron overload is distinct from absolute ID. This chapter provides a comprehensive overview of diet and iron disorder with special focus on absolute ID, functional ID, and hereditary iron overload. Advances in the understanding of hepcidin and its interactions with diet may help translate into making effective dietary approaches for patients with different types of iron disorder.
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Abbreviations
- ACD:
-
Anemia of chronic disease
- AI:
-
Anemia of inflammation
- CI:
-
Confidence interval
- Cp:
-
Ceruloplasmin
- CRP:
-
C-reactive protein
- CT:
-
Computerized tomography
- DII:
-
Dietary inflammatory index
- DMT1:
-
Divalent transporter 1
- EPO:
-
Erythropoietin
- GDF 15:
-
Growth/differentiation factor-15
- Hb:
-
Hemoglobin
- HFE:
-
Hemochromatosis
- HH:
-
Hereditary hemochromatosis
- HJV:
-
Hemojuvelin BMP co-receptor
- ID:
-
Iron deficiency
- IDA:
-
Iron deficiency anemia
- MCH:
-
Mean corpuscular hemoglobin
- MCV:
-
Mean corpuscular volume
- MRI:
-
Magnetic resonance imaging
- Mφ:
-
Macrophages
- ORs:
-
Odds ratio
- PUFA:
-
Polyunsaturated fatty acid
- RBCs:
-
Red blood cells
- RDAs:
-
Recommended daily allowances
- SCA:
-
Sickle cell anemia
- sTfR:
-
Soluble transferrin receptor
- TfR2:
-
Transferrin receptor 2
- TIBC:
-
Total iron-binding capacity
- Tsat:
-
Transferrin saturation
- Vit:
-
Vitamin
- WHO:
-
World Health Organization
- WMD:
-
Weighted mean differences
- ZnPP:
-
Zinc protoporphyrin
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Acknowledgments
The study was supported by grant no. 20-515-S52003 from the Russian Foundation for Basic Research (Russia) and grant no. 109-2923-B-038-001-MY3 from the Ministry of Science and Technology (MOST) (Taiwan).
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Chang, JS., Tinkov, A.A., Lundy, D.J., Skalny, A.V. (2022). Measures of Iron Metabolism and Applications to Dietary Patterns. In: Patel, V.B., Preedy, V.R. (eds) Biomarkers in Nutrition . Biomarkers in Disease: Methods, Discoveries and Applications. Springer, Cham. https://doi.org/10.1007/978-3-031-07389-2_14
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