News » Chapter 16 Immunity - Adaptive Immunity and Errors of the Immune System

Discarded Immune Cells Induce the Relocation of Stem Cells

Contributed by ttsegyal on Aug 07, 2013 - 05:43 PM

The human body has an amazing protection mechanism called the immune system. It offers protection and defense against agents of infection. There are vast amounts of leukocytes in the human body to protect us from pathogens, but where do they go when they are done and what happens to them?

Researchers at Centro Nacional de Investigaciones Cardiovasculares (CNIC) in Madrid, Spain have discovered the fate of one leukocyte, the neutrophil, after it has come in contact with a pathogen. There is great interest in studying the fate of neutrophils due to their nature of releasing toxic substances after fighting pathogens. Neutrophils cause inflammation to blood vessels and tissue as a response to pathogens; this response can lead to serious injury. Fortunately, our body regulates the migration of neutrophils and prevents this.

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