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In blood - Various - The Brain Leak Collection


2015
Label: Not On Label - none • Format: File FLAC, MP3, Compilation • Country: USA, Canada & Europe • Genre: Electronic • Style: Noise
Download In blood - Various - The Brain Leak Collection

Jon Hamilton. Leaks in a barrier between blood vessels and brain cells could contribute to the development of Alzheimer's.

An MRI study of found those experiencing mild problems with thinking and memory had much leakier blood vessels in Drunk - Jimmy Liggins And His 3-D Music - Drunk / Ill Never Let You Go hippocampus. The study, published in Neuron, also found that blood vessels in the hippocampus tend to become leakier in all people as they age.

But the process is accelerated in those likely to develop Alzheimer's or other forms of dementia. Tightly packed glial cells green and nerve cells red surround a blood vessel to form a barrier that keeps toxins from reaching delicate brain cells.

The finding suggests that it may be possible to identify people at risk for Alzheimer's by looking at their blood vessels, says Rod Corriveaua program director at the National Institute of Neurological Disorders and Stroke, which helped in blood - Various - The Brain Leak Collection the research. The results also suggests that a drug to help the body seal up leaky blood vessels could delay or prevent Alzheimer's and other forms of dementia.

The new research grew out of earlier studies of people who died with Alzheimer's disease. The blood-brain barrier is a special layer of cells that normally prevents bacteria and toxins that circulate in the bloodstream from mixing with the fluid that surrounds in blood - Various - The Brain Leak Collection cells. When it breaks down, toxins leak into the fluid that surrounds brain cells and eventually damage or kill the cells.

The autopsy research couldn't show whether the breakdown occurred before or after Alzheimer's appeared. So Zlokovic and his team used a special type of MRI to study the living brains of more than 60 people. The group included both healthy individuals and people with mild cognitive impairment, which can be an early sign of Alzheimer's.

The researchers paid special attention to the hippocampus because it is one of the first brain areas affected by Alzheimer's. And they found that in some regions of the hippocampus, the permeability of the blood-brain barrier was more than 50 percent higher in people with mild cognitive impairment. The finding could help explain why people with atherosclerosis and other problems with their blood vessels are more likely to develop Alzheimer's, says Corriveaux. The study also adds to the evidence that amyloid plaques and the tangles known as tau aren't the only factors that lead to Alzheimer's.

There are probably several different paths to dementia, Corriveau says, including one that involves leaky blood vessels. One important question now is whether it's possible to repair damage to the blood brain My Boots On - Kill County - The Year Of Getting By. That may be possible using cells known as pericytes, which help prevent blood vessels in the brain from leaking.

Accessibility links Skip to main content Keyboard shortcuts for audio player. Don't Tell Me! NPR Shop. Leaky Blood Vessels In The Brain May Lead To Alzheimer's : Shots - Health News As vessels become more porous, researchers say, they allow toxins in the bloodstream to reach, and damage, delicate brain cells and raise the risk for dementia.

Your Health. Facebook Twitter Flipboard Email. January 23, PM ET. Heard on All Things Considered. Enlarge this image. MRI dementia Alzheimer's disease.


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Jan 23,  · Leaky Blood Vessels In The Brain May Lead To Alzheimer's. The blood-brain barrier is a special layer of cells that normally prevents bacteria and toxins that circulate in the bloodstream from mixing with the fluid that surrounds brain cells. When it breaks down, toxins leak into the fluid that surrounds brain cells and eventually damage or kill the cells.
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