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Posts by Sarah E. Johnstone, MD, PhD

  • The DNA structure of normal cells breaks down as they age—but that can help prevent the development of cancer. Broadly speaking, the human genome is divided into an open, transcriptionally active inner layer of DNA (compartment A), where the genes most often used by cells are readily accessible, and a relatively...

Mass General Cancer Center

An integral part of one of the world’s most distinguished academic medical centers, the Massachusetts General Hospital Cancer Center is among the leading cancer care providers in the United States.