News tagged with human immune system

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