Posted in NEWS OF INTEREST

Blood Test Might Yield Early Warning of Alzheimer’s

TUESDAY, Jan. 22, 2019 (HealthDay News)

Leaky blood vessels in the brain may be an early sign of Alzheimer’s disease, researchers say.

They followed 161 older adults for five years and found that those with the most severe memory declines had the greatest leakage in their brain’s blood vessels, regardless of whether the Alzheimer’s-related proteins amyloid and tau were present.

The findings could help with earlier diagnosis of Alzheimer’s and suggest a new drug target for slowing down or preventing the disease, according to the researchers from the University of Southern California.

“The fact that we’re seeing the blood vessels leaking, independent of tau and independent of amyloid, when people have cognitive [mental] impairment on a mild level, suggests it could be a totally separate process or a very early process,” said study senior author Dr. Berislav Zlokovic. He is director of the Zilkha Neurogenetic Institute at the university’s Keck School of Medicine in Los Angeles.

“That was surprising, that this blood-brain barrier breakdown is occurring independently,” Zlokovic added in a university news release…

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