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Missing link found between brain and immune system

RATE THIS! +35
Posted in Science on 3rd Jun, 2015 05:37 PM by AlexMuller

Overrturning decades of textbook teaching, researchers at the University of Virginia School of Medicine have discovered that the brain is directly connected to the immune system by vessels previously thought not to exist. The finding could have significant implications for the study and treatment of neurological diseases ranging from autism to Alzheimer’s disease to multiple sclerosis.

 
“It changes entirely the way we perceive the neuro-immune interaction. We always perceived it before as something esoteric that can’t be studied. But now we can ask mechanistic questions.” said Jonathan Kipnis, PhD, professor in the UVA Department of Neuroscience and director of UVA’s Center for Brain Immunology and Glia (BIG).
 
“We believe that for every neurological disease that has an immune component to it, these vessels may play a major role,” Kipnis said. “Hard to imagine that these vessels would not be involved in a [neurological] disease with an immune component.”
 
The discovery was made possible by the work of Antoine Louveau, PhD, a postdoctoral fellow in Kipnis’ lab, who noticed vessel-like patterns in the distribution of immune cells on his slides of a mouse’s meninges, the membranes covering the brain.
 
So how did the brain’s lymphatic vessels manage to escape notice all this time? Kipnis described them as “very well hidden”, they follow a major blood vessel down into the sinuses, an area difficult to image. “It’s so close to the blood vessel, you just miss it… if you don’t know what you’re after.”

Tags: brainanatomymedicineneuroscienceimmune system

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Comments

Author: Guest
Posted: 2015-06-04
+1
Indeed, this is an important anatomical feature and indeed, it is very surprising that lymphatic vessels in the brain have not been observed earlier - I agree that there are many functional implications of these findings Reply


 

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