Immunology

Engineered bacteria find tumors, then alert immune cells

Combining discoveries in cancer immunology with sophisticated genetic engineering, Columbia University researchers have created a sort of "bacterial suicide squad" that targets tumors, attracting the host's own immune cells ...

Oncology & Cancer

Why lung cancer doesn't respond well to immunotherapy

Immunotherapy—drug treatment that stimulates the immune system to attack tumors—works well against some types of cancer, but it has shown mixed success against lung cancer.

Immunology

How the body's B cell academy ensures a diverse immune response

Cells jostling for a spot in a germinal center face a cutthroat admissions process. Formed after exposure to a pathogen or vaccine, germinal centers act as a kind of immune system training academy, helping B cells refine ...

Psychology & Psychiatry

Blood pressure drug holds promise for treating PTSD

There is new evidence that a 50-year-old blood pressure drug could find new purpose as a treatment to mitigate the often life-altering effects of increasingly prevalent PTSD, scientists say.

Oncology & Cancer

Fighting cancer is more efficient at dawn, study finds

The ability of tumors to take hold and grow depends, among other things, on the effectiveness of the immune system in fighting them. Cancer cells, like pathogens, can be identified and targeted by a specific immune response. ...

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