News tagged with human immune system

Immunology: White blood cells show their stripes

For the human immune system to work effectively, the body must be able to distinguish invading pathogens, such as fungi and bacteria, from its own healthy tissue. A group of white blood cells known as dendritic ...

Aug 28, 2013
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Lymph nodes with location memory

Regulatory T cells (or "Tregs" for short) play a central role in the human immune system: They guide all of the other immune cells and make sure they are tolerant of the body's own cells and harmless foreign ...

Aug 14, 2013
popularity 4.5 / 5 (2) | comments 0 | with audio podcast

HIV/AIDS vaccines: Defining what works

Designing an effective HIV/AIDS vaccine is something of a paradox: a good vaccine would be safe and look enough like HIV to kick-start the immune system into neutralizing the virus – but the problem is that this is exactly ...

Jul 18, 2013
popularity 5 / 5 (3) | comments 0 | with audio podcast

Scientists discover how HIV kills immune cells

Untreated HIV infection destroys a person's immune system by killing infection-fighting cells, but precisely when and how HIV wreaks this destruction has been a mystery until now. New research by scientists at the National ...

Jun 05, 2013
popularity 5 / 5 (3) | comments 1 | with audio podcast