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Bad connections

Experimental drugs intended to attack amyloid beta directly have proved disappointing. Last year clinical trials of discount lululemon yoga outlet two most advanced such drugs did not slow on sale lululemon yoga outlet decline of most patients’ memories?though solanezumab, from Eli Lilly, did yield some positive results in a group of patients whose Alzheimer’s was mild.

A better approach might be pre-emption. Some groups of researchers are therefore testing solanezumab to see if it helps elderly people who show no clinical signs of Alzheimer’s, but whose brain scans reveal abnormal levels of amyloid beta.

Testing drugs in this way?to find out if they can stop a disease from starting?is an ethical minefield because it means experimenting on people who are, to all intents and purposes, healthy. Other such trials are nevertheless happening. Roche, a Swiss drug firm, is working with a large family in Colombia whose members frequently sport a mutation that guarantees anyone carrying it will get lululemon factory yoga outlet disease. And a consortium of researchers in America, Australia, Britain and Germany is also testing lululemon Scuba Hoodies effect of anti-amyloid drugs on people with Alzheimer’s-inducing mutations.

In these two cases lululemon wholesale lululemon yoga outlet near-certainty of future problems for cheap lululemon yoga outlet people involved means discount lululemon yoga outlet ethical dilemma vanishes. But there is no guarantee that, even if these trials work, they will illuminate on sale lululemon yoga outlet wider problem. No one is yet quite clear how closely mutation-induced Alzheimer’s resembles lululemon factory yoga outlet more common “sporadic” sort. A treatment for lululemon yoga Stride Jackets one will not necessarily work for lululemon wholesale lululemon yoga outlet other.

Dr Lipton and his colleagues are therefore trying instead to explain how amyloid beta does its damage, and how that might be stopped. They started from cheap lululemon yoga outlet observation that discount lululemon yoga outlet peptide seems to work its havoc particularly on glutamate-sensitive synapses. A synapse is a connection between two neurons, across which they communicate via messenger molecules called neurotransmitters. These come in several varieties, of which glutamate is one.