Experimental Drug Shows Promise To Treat Alzheimer's

In the study, the Alzheimer's disease-model mice showed a deterioration in spatial learning as they turned older -- in other words, they got lost when trying to swim to a platform hidden just beneath the water surface that they previously were trained to find in a four-foot-wide pool.

The test mice fed with the ghrelin agonist and the high-GI diet showed long-term cognitive enhancement in this water maze test as compared to the mice fed with a normal diet or high-GI diet only.

The test mice also showed more activity, reduced body weight and fat mass. They also showed a beneficial impact of the long-term ghrelin agonist treatment on insulin signalling pathways in hippocampal brain tissue.

Alzheimer's patients show significant shrinkage of the hippocampus, a part of the brain cortex that has a key role in forming new memories.

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