Word: brained
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Dates: during 2000-2009
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Over the next two years, Barnes will monitor how often medical records change for each of the patients in her agency's RFID program, and will track how the caregivers work with the new technology. "You don't have to be a brain surgeon to figure out this has great possibilities," she says...
When the body refuses to make insulin, the condition is called type 1 diabetes; when the body mismanages the hormone, it's known as type 2. Now, scientists report new evidence linking insulin to a disorder of the brain: when the brain prevents the hormone from acting properly, the ensuing chemical imbalance may help trigger Alzheimer's disease. The correlation is so strong that some researchers are calling Alzheimer's disease "type 3" diabetes...
...body, insulin helps convert food into cellular energy. But the brain has other uses for insulin, namely as a means to learn and make new memories. Here's how it works: At synapses, the spaces across which brain cells communicate and where memories are conceived, neurons reserve special parking spots just for insulin. When the hormone pulls in, a connection is made that enables new memories to form. Since new memory formation is one of the first things to go awry in people with early stages of the disease, this insulin-initiated process may hold the key to decoding...
...August, a team of scientists at Northwestern University were the first to show why the brain's "memory function" fails in the face of an insulin shortage. The group's prior research had already pinpointed the culprit: toxic proteins called amyloid beta-derived diffusible ligands (ADDLs, for short), which are known to pile up in the brains of people with Alzheimer's. Scientists also knew that Alzheimer's patients' brains have lower levels of insulin and are insulin resistant. But what the Northwestern team discovered is the molecular mechanism behind that resistance: when ADDLs bind to neurons at synapses, they...
Researchers hope these findings will help shape future research in Alzheimer's therapy - perhaps in the development of drugs that can make brain cells' insulin receptors more responsive to the hormone, or in the application of type 2 diabetes drugs, which address insulin resistance, to Alzheimer...