Folate and Cancer

Folate plays a central role in DNA synthesis and methylation, which are essential for DNA integrity maintenance and gene expression. Folate deficiency may lead to the incorporation of uracil into DNA and chromosome breaks, increasing the risk of cancer. However, conflicting evidence has been observe...

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Main Author: Luciana Yuki Tomita PhD
Format: Article
Language:English
Published: SciELO 2016-07-01
Series:Journal of Inborn Errors of Metabolism and Screening
Online Access:https://doi.org/10.1177/2326409816661357
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author Luciana Yuki Tomita PhD
author_facet Luciana Yuki Tomita PhD
author_sort Luciana Yuki Tomita PhD
collection DOAJ
description Folate plays a central role in DNA synthesis and methylation, which are essential for DNA integrity maintenance and gene expression. Folate deficiency may lead to the incorporation of uracil into DNA and chromosome breaks, increasing the risk of cancer. However, conflicting evidence has been observed depending on the type of epidemiological study, dietary or circulating folate, and the type of cancer. New concern has arisen after a mandatory folic acid (FA) fortification program adopted for the prevention of neural tube defects in the United States, which suggested an increase in the incidence of colorectal cancer. In the present article, folate status and cancer are under review, and a discussion of the challenge of assessing folate status through food intake, supplement use, FA fortification programs, circulating folate, and the interaction of diet and the polymorphism of the enzyme involved in folate metabolism will be presented.
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spelling doaj.art-64e0aac9c6b54dafb98348b5efb5e18c2022-12-22T03:28:13ZengSciELOJournal of Inborn Errors of Metabolism and Screening2326-45942016-07-01410.1177/232640981666135710.1177_2326409816661357Folate and CancerLuciana Yuki Tomita PhD0 Department of Preventive Medicine, Federal University of São Paulo, São Paulo, BrazilFolate plays a central role in DNA synthesis and methylation, which are essential for DNA integrity maintenance and gene expression. Folate deficiency may lead to the incorporation of uracil into DNA and chromosome breaks, increasing the risk of cancer. However, conflicting evidence has been observed depending on the type of epidemiological study, dietary or circulating folate, and the type of cancer. New concern has arisen after a mandatory folic acid (FA) fortification program adopted for the prevention of neural tube defects in the United States, which suggested an increase in the incidence of colorectal cancer. In the present article, folate status and cancer are under review, and a discussion of the challenge of assessing folate status through food intake, supplement use, FA fortification programs, circulating folate, and the interaction of diet and the polymorphism of the enzyme involved in folate metabolism will be presented.https://doi.org/10.1177/2326409816661357
spellingShingle Luciana Yuki Tomita PhD
Folate and Cancer
Journal of Inborn Errors of Metabolism and Screening
title Folate and Cancer
title_full Folate and Cancer
title_fullStr Folate and Cancer
title_full_unstemmed Folate and Cancer
title_short Folate and Cancer
title_sort folate and cancer
url https://doi.org/10.1177/2326409816661357
work_keys_str_mv AT lucianayukitomitaphd folateandcancer