Epigenetic pathway and new drug show promise in reversing a hard-to-treat childhood cancer

A difficult-to-treat form of childhood leukemia relies on changes in the structure of DNA -- so-called epigenetic changes -- to wreak genomic havoc within white blood cells, according to one of two new studies. Researchers also showed that a new drug that blocks these changes could deactivate cancer-promoting genes and halt the growth of this cancer.

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