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UCLA Develops New Method To Track Neuron Cell Death Leading To Alzheimer's Disease

Date:
January 16, 2006
Source:
University of California - Los Angeles
Summary:
UCLA researchers developed a new brain imaging strategy that tracks neural cell loss in the hippocampus, a key memory center of the brain. This cell loss is a hallmark sign of Alzheimer's disease. This new imaging method may offer a new avenue for understanding disease progression as well as offer a new tool for early diagnosis of Alzheimer's disease.

UCLA researchers developed a new brain imaging strategy that tracks neural cell loss in the hippocampus, a key memory center of the brain. Using a chemical marker called MPPF and positron emission tomography (PET), researchers measured the amount of serotonin receptors 1A found in neurons abundantly present in the hippocampus. In Alzheimer's disease these neural cells die, causing the hippocampus to atrophy and shrink.

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This new imaging method may allow doctors to track neuronal cell reductions in the hippocampus in people that precede clinical symptoms -- offering a new avenue for understanding disease progression and a potentially sensitive new tool for early diagnosis of Alzheimer's disease and dementia. The new method is currently under patent application.

Authors of the study include Dr. Jorge R. Barrio, UCLA professor of medical and molecular pharmacology and Dr. Gary Small, a professor with the Semel Institute for Neuroscience and Human Behavior at UCLA. The research appears in the Jan. 9 Proceedings of the National Academy of Sciences.

Using the new strategy, UCLA researchers found density decreases of the hippocampus and other key memory centers in 49 percent of Alzheimer's disease patients and a 24 percent decrease in patients with mild cognitive impairment. "We hope this new method will lead us to a better understanding of Alzheimer's disease as well as a new strategy for early detection," said Barrio. "A shrinking hippocampus is a hallmark sign of Alzheimer's disease and this new marker will offer a useful strategy for early detection and more effective treatment," said Small.

Funding was provided by the Department of Energy.


Story Source:

The above story is based on materials provided by University of California - Los Angeles. Note: Materials may be edited for content and length.


Cite This Page:

University of California - Los Angeles. "UCLA Develops New Method To Track Neuron Cell Death Leading To Alzheimer's Disease." ScienceDaily. ScienceDaily, 16 January 2006. <www.sciencedaily.com/releases/2006/01/060115180558.htm>.
University of California - Los Angeles. (2006, January 16). UCLA Develops New Method To Track Neuron Cell Death Leading To Alzheimer's Disease. ScienceDaily. Retrieved December 20, 2014 from www.sciencedaily.com/releases/2006/01/060115180558.htm
University of California - Los Angeles. "UCLA Develops New Method To Track Neuron Cell Death Leading To Alzheimer's Disease." ScienceDaily. www.sciencedaily.com/releases/2006/01/060115180558.htm (accessed December 20, 2014).

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