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Nutrients 2014, 6(9), 3968-3980; doi:10.3390/nu6093968

Iron, Oxidative Stress and Gestational Diabetes

1
Department of Neonatal Intensive Care Unit (NICU), Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing 100026, China
2
Department of Epidemiology and Biostatistics, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing 100005, China
3
Key Laboratory of Trace Element Nutrition of the Ministry of Health, National Institute of Nutrition and Food Safety, Chinese Center for Disease Control and Prevention, No. 27 Nanwei Road, Xicheng District, Beijing 100050, China
*
Author to whom correspondence should be addressed.
Received: 31 July 2014 / Revised: 27 August 2014 / Accepted: 9 September 2014 / Published: 25 September 2014
(This article belongs to the Special Issue Iron Deficiency: Development, Implications and Treatment)
View Full-Text   |   Download PDF [136 KB, uploaded 25 September 2014]

Abstract

Both iron deficiency and hyperglycemia are highly prevalent globally for pregnant women. Iron supplementation is recommended during pregnancy to control iron deficiency. The purposes of the review are to assess the oxidative effects of iron supplementation and the potential relationship between iron nutrition and gestational diabetes. High doses of iron (~relative to 60 mg or more daily for adult humans) can induce lipid peroxidation in vitro and in animal studies. Pharmaceutical doses of iron supplements (e.g., 10× RDA or more for oral supplements or direct iron supplementation via injection or addition to the cell culture medium) for a short or long duration will induce DNA damage. Higher heme-iron intake or iron status measured by various biomarkers, especially serum ferritin, might contribute to greater risk of gestational diabetes, which may be mediated by iron oxidative stress though lipid oxidation and/or DNA damage. However, information is lacking about the effect of low dose iron supplementation (≤60 mg daily) on lipid peroxidation, DNA damage and gestational diabetes. Randomized trials of low-dose iron supplementation (≤60 mg daily) for pregnant women are warranted to test the relationship between iron oxidative stress and insulin resistance/gestational diabetes, especially for iron-replete women. View Full-Text
Keywords: iron; oxidative stress; lipid peroxidation; DNA damage; gestational diabetes iron; oxidative stress; lipid peroxidation; DNA damage; gestational diabetes
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Zhuang, T.; Han, H.; Yang, Z. Iron, Oxidative Stress and Gestational Diabetes. Nutrients 2014, 6, 3968-3980.

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