Neuroscience

Star-shaped brain cells orchestrate neural connections

Brains are made of more than a tangled net of neurons. Star-like cells called astrocytes diligently fill in the gaps between neural nets, each wrapping itself around thousands of neuronal connections called synapses. This ...

Oncology & Cancer

Gene found to play role in early cancer

(Medical Xpress) -- Mutations to a gene called p53 have been linked to half of all cancers, leading to tumor growth and the spread of cancerous cells. Now, a Cornell-led study identifies for the first time the mechanisms ...

HIV & AIDS

Scientists reactivate immune cells exhausted by chronic HIV

Scientists at the National Institute of Allergy and Infectious Diseases (NIAID), part of the National Institutes of Health, have demonstrated why certain immune cells chronically exposed to HIV shut down, and how they can ...

Oncology & Cancer

Study shows how circulating tumor cells target distant organs

Most cancers kill because tumor cells spread beyond the primary site to invade other organs. Now, a USC study of brain-invading breast cancer cells circulating in the blood reveals they have a molecular signature indicating ...

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