Epigenetics
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| Epigenetics | |
|---|---|
| Term | Epigenetics |
| Short definition | epigenetic variant (EH-pih-jeh-NEH-tik VAYR-ee-unt) A change in the chemical structure of DNA that does not alter the DNA coding sequence. Epigenetic variants occur in the body when chemical groups called methyl groups are added or removed from DNA or when changes are made to proteins called histones that bind to DNA in chromosomes. |
| Type | Cancer terms |
| Specialty | Oncology |
| Language | English |
| Source | NCI |
| Comments | |
epigenetics - (pronounced) (EH-pih-jeh-NEH-tix) The study of how age and exposure to environmental factors such as diet, exercise, drugs, and chemicals can lead to changes in the way we live how genes are turned on and off without changing the actual DNA sequence. These changes can affect a person's risk of disease and can be passed from parents to their children
External links
- Medical encyclopedia article on Epigenetics
- Wikipedia's article - Epigenetics
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