Cited by 518Trace Elements in HealthHeavy Metal Exposure and ToxicityPlant Micronutrient Interactions and Effects

Zinc deficiency, DNA damage and cancer risk

Ho, Emily·2004·The Journal of Nutritional Biochemistry

Abstract

A large body of evidence suggests that a significant percentage of deaths resulting from cancer in the United States could be avoided through greater attention to proper and adequate nutrition. Although many dietary compounds have been suggested to contribute to the prevention of cancer, there is strong evidence to support the fact that zinc, a key constituent or cofactor of over 300 mammalian proteins, may be of particular importance in host defense against the initiation and progression of cancer. Remarkably, 10% of the U.S. population consumes less than half the recommended dietary allowance for zinc and are at increased risk for zinc deficiency. Zinc is known to be an essential component of DNA-binding proteins with zinc fingers, as well as copper/zinc superoxide dismutase and several proteins involved in DNA repair. Thus, zinc plays an important role in transcription factor function, antioxidant defense and DNA repair. Dietary deficiencies in zinc can contribute to single- and double-strand DNA breaks and oxidative modifications to DNA that increase risk for cancer development. This review will focus on potential mechanisms by which zinc deficiency impairs host protective mechanisms designed to protect against DNA damage, enhances susceptibility to DNA-damaging agents and ultimately increases risk for cancer.

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Crossref · 10.1016/j.jnutbio.2004.07.005

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Authors
Ho, E.
Affiliations
Oregon State University (US)
Corresponding author
Ho, Emily
Venue
The Journal of Nutritional Biochemistry
Publisher
Elsevier BV
Published
2004-10
Volume
15
Issue
10
Pages
572-578
ISSN
0955-2863 (ISSN-L)
OpenAlex
W2130318636
Cited by
518
References
91
Citations by year
2026: 16 · 2025: 15 · 2024: 35 · 2023: 33 · 2022: 23 · 2021: 24 · 2020: 34 · 2019: 27 · 2018: 30 · 2017: 22 · 2016: 18 · 2015: 28 · 2014: 33 · 2013: 24 · 2012: 25
FWCI
1.84
Type
journal article
Language
en
Open access
closed
Locations
  • The Journal of Nutritional Biochemistry (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Nursing › Nutrition and Dietetics › Trace Elements in Health
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Heavy Metal Exposure and Toxicity
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Micronutrient Interactions and Effects
Keywords
zinc deficiency, DNA damage, cancer risk, zinc finger, copper-zinc superoxide dismutase, DNA repair, antioxidant defense, transcription factors, oxidative DNA damage, DNA strand breaks, zinc intake, cancer prevention, host defense against cancer
MeSH terms
DNA Damage, DNA Repair, Humans, Neoplasms, Nutritional Physiological Phenomena, Risk Factors, Zinc, Signal Transduction, Apoptosis, Oxidative Stress

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