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New Evidence On Folic Acid In Diet And Colon Cancer

Date:
September 5, 2008
Source:
American Chemical Society
Summary:
Researchers are reporting a new, more detailed explanation for the link between low folate intake and an increased risk for colon cancer, the second leading cause of cancer death in the United States.

Foods containing high levels of folate, such an assortment of fruits and vegetables, are an important part of a healthy diet. Researchers report new details on the link between low folate intake and an increased risk for colon cancer.
Credit: USDA Agricultural Research Service

Researchers in the United Kingdom and Texas are reporting a new, more detailed explanation for the link between low folate intake and an increased risk for colon cancer, the second leading cause of cancer death in the United States.

Their study reinforces the importance of folate in a healthy diet.

Susan Duthie and colleagues note that researchers have known for years that a deficiency of folate, one of the B vitamins commonly called folic acid, increases the risk of birth defects. As a result, manufacturers enrich some foods with folate.

Scientists also have found that low folate in the diet increases the risk of developing colon cancer in adults. However, scientists lack an adequate explanation of how folate depletion affects the genes, proteins, and cells involved in cancer.

In this new research, scientists grew human colon cells in folate-depleted and folate-enriched tissue culture. They found that folate depletion caused increased DNA damage and a cascade of other biological changes linked to an increased cancer risk.


Story Source:

The above story is based on materials provided by American Chemical Society. Note: Materials may be edited for content and length.


Journal Reference:

  1. Duthie et al. The Response of Human Colonocytes to Folate Deficiency in Vitro: Functional and Proteomic Analyses. Journal of Proteome Research, 2008; 7 (8): 3254 DOI: 10.1021/pr700751y

Cite This Page:

American Chemical Society. "New Evidence On Folic Acid In Diet And Colon Cancer." ScienceDaily. ScienceDaily, 5 September 2008. <www.sciencedaily.com/releases/2008/09/080901215125.htm>.
American Chemical Society. (2008, September 5). New Evidence On Folic Acid In Diet And Colon Cancer. ScienceDaily. Retrieved July 22, 2014 from www.sciencedaily.com/releases/2008/09/080901215125.htm
American Chemical Society. "New Evidence On Folic Acid In Diet And Colon Cancer." ScienceDaily. www.sciencedaily.com/releases/2008/09/080901215125.htm (accessed July 22, 2014).

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