The cells of the immune system are the guardians of these organisms – able to distinguish friend from foe and self from nonself. To accomplish this task in an organism with perhaps trillions of cells, ...

Immune system kills healthy cells Date: September 10, 2013 Source: University of Alberta Faculty of Medicine & Dentistry Summary: Medical scientists have made a key discovery about how the immune ...

Their findings revealed novel mechanisms: the immune system amplifies its defense cells in a far more targeted way than previously believed. T-cells proliferate and specialize during the immune ...

Your immune system includes your body's cells, tissues, and organs, which work together to fight off infections and diseases. But how much do you know about it? When you understand everything that ...

The mammalian immune system is an evolutionary wonder. It's capable of recognizing and destroying cancer cells, and it can deploy armies of antibodies against viruses, bacteria, parasites and fungi.

Consequently, treatment should be targeted at the immune system as well, not only the cancer cells. An international study coordinated by a University of Helsinki research group demonstrates that ...

A mouse's fat cells (red) are shown surrounded by a network of blood vessels (green). Source: Daniela Malide, National Heart, Lung, and Blood Institute, National Institutes of Health Research by UC ...

These nodes swell in response to infection due to a buildup of lymph fluid, bacteria, or other organisms and immune system cells. The lymphatic system is part of the immune system. It also ...