Oncology & Cancer

Backup DNA repair system could be cancer's weak spot

The DNA inside our cells is constantly being damaged, and one of the worst kinds of damage is a double-strand break—when both sides of the DNA helix are cut at once. Healthy cells can normally fix these breaks using highly ...

Immunology

T cells found in tonsils differ in key ways from those in blood

T cells, also known as lymphocytes, are a type of white blood cell that play an important role in the body's immune response. Historically, blood samples have been used to monitor how T cells respond to a virus, vaccine or ...

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