N-Myc

N-Myc is a protein that in humans is encoded by the MYCN gene. It is a member of the MYC family of transcription factors and plays a crucial role in cell growth, cell differentiation, and apoptosis.

Function

N-Myc is a basic helix-loop-helix (bHLH) transcription factor that binds to the E-box DNA sequence and regulates the expression of a wide array of genes involved in cell growth and differentiation. It is also involved in the regulation of the cell cycle and apoptosis, acting as a key player in the development and progression of several types of cancer.

Clinical significance

Alterations in the MYCN gene, particularly amplification, are associated with a variety of cancers, most notably neuroblastoma. High levels of N-Myc are often found in neuroblastoma cells, and this is associated with a poor prognosis. In addition, N-Myc has been implicated in the development of other types of cancer, including lung cancer, breast cancer, and glioblastoma.

Research

Research into N-Myc and its role in cancer has led to the development of several potential therapeutic strategies. These include the use of small molecule inhibitors that target N-Myc, as well as gene therapy approaches that aim to reduce the levels of N-Myc in cancer cells.

See also

• MYC (gene)
• Neuroblastoma
• Transcription factor
• Apoptosis

References

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