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Brain And Immune System - Not Strangers Anymore
October 24, 2007 at 3:08 PM
Research News
In fact, thanks to the scientific detective work of Kevin Tracey, MD, it turns out that the brain talks directly to the immune system, sending commands that control the body’s inflammatory response to infection and autoimmune diseases.
Dr. Tracey, director and chief executive of The Feinstein Institute for Medical Research, will be giving the 2007 Stetten Lecture on Wednesday, Oct. 24, at the National Institutes of Health in Bethesda, MD. His talk – Physiology and Immunology of the Cholinergic Anti-inflammatory Pathway – will highlight the discoveries made in his laboratory and the clinical trials underway to test the theory that stimulation of the vagus nerve could block a rogue inflammatory response and treat a number of diseases, including life-threatening sepsis.
With this new understanding of the vagus nerve’s role in regulating inflammation, scientists believe that they can tap into the body’s natural healing defenses and calm the sepsis storm before it wipes out its victims. Each year, 750,000 people in the United States develop severe sepsis, and 215,000 will die no matter how hard doctors fight to save them. Sepsis is triggered by the body’s own overpowering immune response to a systemic infection, and hospitals are the battlegrounds for these potentially lethal conditions.
The vagus nerve is located in the brainstem and snakes down from the brain to the heart and on through to the abdomen. Dr. Tracey and others are now studying ways of altering the brain’s response or targeting the immune system itself as a way to control diseases.
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