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Related Experiment Videos

[Folate and cancer].

Xiao-Ping Miao1, Dong-Xin Lin

  • 1Department of Etiology and Carcinogenesis, Cancer Institute, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, PR China.

AI Zheng = Aizheng = Chinese Journal of Cancer
|September 2, 2003
PubMed
Summary
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Folate, essential for DNA synthesis and repair, may protect against cancer. Genetic variations in methylenetetrahydrofolate reductase (MTHFR) can impair folate metabolism, potentially increasing cancer risk.

Area of Science:

  • Biochemistry
  • Genetics
  • Nutritional Science

Context:

  • Folate, found in fruits and vegetables, plays a crucial role in cellular processes.
  • Folate deficiency is implicated in carcinogenesis due to its role in DNA methylation, synthesis, and repair.

Purpose:

  • To explore the role of folate metabolism in cancer development.
  • To investigate the potential contribution of methylenetetrahydrofolate reductase (MTHFR) gene polymorphisms to cancer risk.

Summary:

  • Folate is vital for intracellular methylation and de novo deoxynucleoside synthesis.
  • Methylenetetrahydrofolate reductase (MTHFR) is key in folate biotransformation.
  • Common MTHFR gene polymorphisms (677C-->T and 1298A-->C) reduce enzyme activity, potentially impacting cancer risk.

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Impact:

  • Highlights the link between folate metabolism, MTHFR genetics, and cancer.
  • Suggests MTHFR polymorphisms as potential biomarkers for cancer susceptibility.
  • Emphasizes the importance of folate in cancer prevention strategies.