Joe and Terry Graedon have been teaching, writing, and broadcasting information to help people make informed decisions about their health for more than four decades. Joe is an adjunct assistant professor of pharmacy at the University of North Carolina. Terry has a PhD from the University of Michigan in medical anthropology. Together the couple write a popular syndicated newspaper column and are hosts of The People’s Pharmacy public radio program. They are authors of Simple Health Remedies, a monthly newsletter produced with Newsmax Health, and many books, including Quick & Handy Home Remedies.
Tags: Alzheimers | snails | synapses

Alzheimer's Cure: Do Snails Hold the Key?

By    |   Thursday, 02 Jul 2015 03:31 PM

Basic research on a marine snail may offer new insights for reversing Alzheimer’s disease.

Until now, most neuroscientists believed that memories were associated with synapses, the connections between nerve cells. That’s because the typical plaque associated with Alzheimer’s disease disrupts synapses.

Now, experiments conducted on sea snails show that memories are not lost when synapses are destroyed.

In these experiments, the animals received mild electrical shocks to their tails. They remembered this unpleasant experience and secreted extra serotonin to make new synaptic connections.

When the scientists removed the neurons from the snail and maintained them in a Petri dish, the neurons continued to connect.

Adding serotonin to the dish increased the rate of new synapse formation, but inhibiting protein synthesis prevented this development.

In further experiments on the animals, the scientists were able to demonstrate that re-establishing synaptic connections appeared to bring the memories back into focus.

The implication is that memories are not stored in the synapses, but rather in the nucleus of the cell.

While it is still a giant leap from snails to mankind, reversing synapse destruction might help Alzheimer’s patients reclaim their lost memories.

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Basic research on a marine snail may offer new insights for reversing Alzheimer’s disease.
Alzheimers, snails, synapses
188
2015-31-02
Thursday, 02 Jul 2015 03:31 PM
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