Hypomethylating agent

Hypomethylating agent is a type of drug that inhibits DNA methylation, a process that can silence gene expression. These agents are used in the treatment of cancer, particularly myelodysplastic syndrome (MDS) and acute myeloid leukemia (AML).

Mechanism of Action

Hypomethylating agents work by inhibiting the enzyme DNA methyltransferase, which is responsible for adding a methyl group to the DNA molecule. This process, known as DNA methylation, can silence gene expression. By inhibiting this process, hypomethylating agents can reactivate silenced genes, including those that control cell growth and differentiation. This can help to slow or stop the growth of cancer cells.

Uses

Hypomethylating agents are used in the treatment of certain types of cancer, including MDS and AML. They may also be used in the treatment of other conditions, as determined by a healthcare provider.

Examples

Examples of hypomethylating agents include azacitidine and decitabine, both of which are used in the treatment of MDS and AML.

Side Effects

Like all drugs, hypomethylating agents can cause side effects. These may include nausea, vomiting, diarrhea, and fatigue. More serious side effects can include low blood cell counts, infection, and bleeding. Patients should discuss the potential risks and benefits of treatment with their healthcare provider.

See Also

• DNA methylation
• DNA methyltransferase
• Myelodysplastic syndrome
• Acute myeloid leukemia
• Azacitidine
• Decitabine

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