Tagged: Alzheimer's

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Alzheimer's disease
4:23 pm
Mon March 5, 2012

Study: new Alzheimer’s marker can predict rate of memory loss

Credit (Image courtesy National Institute on Aging)
This image from the National Institute on Aging shows the difference between the tissue structure of a healthy brain (at left) and a brain severely affected by Alzheimer's disease.

A new marker for Alzheimer's disease can be used to predict how quickly a patient will develop memory loss and other symptoms of dementia.

Researchers at Washington University measured levels of a marker called visinin-like protein 1 in in the spinal fluid of 60 patients in the early stages of Alzheimer's then tracked their symptoms for three years.

Neurologist Dr. Rawan Tarawneh, now at the University of Jordan, led the study.

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Alzheimer's Disease
5:30 am
Mon September 26, 2011

Changes in marker for Alzheimer's linked to sleep cycle

Credit (Via Wikimedia Commons user Nephron)
Micrograph of amyloid beta plaques in the brain, as may be seen in Alzheimer disease.

Researchers at Washington University School of Medicine have shown a relationship between daily sleep patterns and a protein associated with Alzheimer’s disease.

The researchers found that levels of the beta amyloid protein in spinal fluid increased during waking hours and decreased during sleep.

Wash U neurologist Randall Bateman says that pattern was strongest in young, healthy test subjects. It lessened in people over sixty, and disappeared altogether in Alzheimer’s patients.

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