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Overexpression Of Human Protein Reduces Severity Of Alzheimer's Disease In Mice

Date:
November 19, 2007
Source:
Buck Institute for Age Research
Summary:
Mice genetically engineered to both overproduce the protein neuroglobin and to develop Alzheimer's disease (AD) had a much milder form of the disease when compared to mice engineered to have AD alone.

Mice genetically engineered to both overproduce the protein neuroglobin and to develop Alzheimer’s disease (AD) had a much milder form of the disease when compared to mice engineered to have AD alone, researchers at the Buck Institute for Age Research have reported.

Results of the study highlight continued efforts by Buck faculty member David Greenberg, MD, PhD and lead author Adil Khan, PhD, and colleagues to identify the body’s natural protective mechanisms with the ultimate goal of finding drugs that boost healing efforts in humans.

Neuroglobin, closely related to hemoglobin (the oxygen-carrying protein in blood), is expressed predominantly in the brain of vertebrate animals, including humans, but its normal function is unknown. In this study, the AD mice who overexpressed neuroglobin performed significantly better on a memory test and had less of the sticky deposits commonly associated with the neurodegenerative disease.

In earlier studies, an overexpression of neuroglobin was found to protect mice from nerve damage following stroke and to lessen damage from heart muscle following heart attacks. The results hold the promise that a drug could be developed to encourage the overproduction of neuroglobin in humans, providing the same protective effects.

“We are now screening existing drugs and chemical compounds to find those that prompt the body to produce more neuroglobin,” said Greenberg.

Joining Greenberg and Khan in the work include Buck Institute investigators, Kunlin Jin, Xiao Ou Mao, and Surita Banwait.

This research was published the week of November 12 in the on-line edition of the Proceedings of the National Academy of Sciences.

The work was funded by a grant from the National Institutes of Health.


Story Source:

The above story is based on materials provided by Buck Institute for Age Research. Note: Materials may be edited for content and length.


Cite This Page:

Buck Institute for Age Research. "Overexpression Of Human Protein Reduces Severity Of Alzheimer's Disease In Mice." ScienceDaily. ScienceDaily, 19 November 2007. <www.sciencedaily.com/releases/2007/11/071117210600.htm>.
Buck Institute for Age Research. (2007, November 19). Overexpression Of Human Protein Reduces Severity Of Alzheimer's Disease In Mice. ScienceDaily. Retrieved July 22, 2014 from www.sciencedaily.com/releases/2007/11/071117210600.htm
Buck Institute for Age Research. "Overexpression Of Human Protein Reduces Severity Of Alzheimer's Disease In Mice." ScienceDaily. www.sciencedaily.com/releases/2007/11/071117210600.htm (accessed July 22, 2014).

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