Related Experiment Video
Updated: Mar 12, 2026

Genome-Wide Analysis of DNA Methylation in Gastrointestinal Cancer
Published on: September 18, 2020
Vitamin D and the Epigenetic Machinery in Colon Cancer
1Department of Pharmacological and Pharmaceutical Sciences, University of Houston, Houston, TX 77030. United States.
Abstract:
Vitamin D is an important hormone that regulates many physiological processes related to human health. Through its nuclear receptor, VDR, vitamin D controls gene expression through genetic and epigenetic mechanisms. Increasing data have demonstrated the anti-cancer activities of vitamin D in various cancers, including colon cancer. This review summarizes the recent progresses in our understanding of the molecular mechanisms of vitamin D and its interaction with the epigenetic machinery in colon cancer. Vitamin D changes the status of DNA methylation and histone modifications, resulting in the activation of tumor suppressors and inhibition of oncogenes. In addition, vitamin D activates the expression of tumor suppressing miRNAs, which contribute to the tumor suppressive activity. Further understanding of the epigenetic action of vitamin D will help the development of therapeutic strategies targeting the vitamin D signaling pathway without inducing the hypercalcemic side effects.
Insights
Vitamin D exhibits anti-cancer effects in colon cancer by influencing gene expression through epigenetic modifications. Understanding these mechanisms can lead to targeted therapies without adverse effects.
Area of Science:
- Molecular Biology
- Epigenetics
- Oncology
Background:
- Vitamin D is a crucial hormone regulating physiological processes via its nuclear receptor, VDR.
- Emerging evidence highlights vitamin D's anti-cancer properties in various malignancies, notably colon cancer.
Purpose of the Study:
- To review recent advancements in understanding the molecular and epigenetic mechanisms of vitamin D in colon cancer.
- To explore how vitamin D interacts with epigenetic machinery to influence gene expression.
Main Methods:
- Literature review focusing on molecular mechanisms and epigenetic interactions of vitamin D in colon cancer.
- Analysis of studies detailing vitamin D's effects on DNA methylation, histone modifications, and miRNA expression.
Main Results:
- Vitamin D modulates DNA methylation and histone modifications, leading to tumor suppressor activation and oncogene inhibition.
- Vitamin D upregulates tumor-suppressing microRNAs (miRNAs), contributing to its anti-cancer activity.
Conclusions:
- Vitamin D exerts anti-cancer effects in colon cancer through epigenetic regulation of gene expression.
- Further research into vitamin D's epigenetic actions may facilitate the development of targeted therapies with reduced side effects.
Related Concept Videos
Epigenetic Regulation
X-chromosome...
Epigenetic Regulation
Epigenetic Regulation
Pharmacogenetics of Drug Targets: β₂-Adrenergic Receptors, Apo E, Thymidylate Synthase
Histone Modification
Acetylation
The enzyme histone acetyltransferase adds acetyl group to the histones. Another enzyme, histone...
Covalently Linked Protein Regulators
These groups modify specific amino acids in a protein....

