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|    sci.med.psychobiology    |    Dialog and news in psychiatry and psycho    |    4,734 messages    |
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|    Message 3,774 of 4,734    |
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|    Reversal of cognitive decline: A novel t    |
|    03 Oct 15 00:30:08    |
      From: deputydog23x@gmail.com              Memory Loss Associated with Alzheimer's Reversed for First Time - Small trial       from UCLA and Buck Institute succeeds using systems approach to memory       disorders.                            Memory Loss Associated with Alzheimer's Reversed for First Time                Neuroscience News September 30, 2014 Featured, Neurology, Open Neuroscience       Articles                       Small trial from UCLA and Buck Institute succeeds using systems approach to       memory disorders.               Patient one had two years of progressive memory loss. She was considering       quitting her job, which involved analyzing data and writing reports, she got       disoriented driving, and mixed up the names of her pets. Patient two kept       forgetting once familiar        faces at work, forgot his gym locker combination, and had to have his       assistants constantly remind him of his work schedule. Patient three's memory       was so bad she used an iPad to record everything, then forgot her password.       Her children noticed she        commonly lost her train of thought in mid-sentence, and often asked them if       they had carried out the tasks that she mistakenly thought she had asked them       to do.               Since its first description over 100 years ago, Alzheimer's disease has been       without effective treatment. That may finally be about to change: in the       first, small study of a novel, personalized and comprehensive program to       reverse memory loss, nine of 10        participants, including the ones above, displayed subjective or objective       improvement in their memories beginning within 3-to-6 months after the       program's start. Of the six patients who had to discontinue working or were       struggling with their jobs at the        time they joined the study, all were able to return to work or continue       working with improved performance. Improvements have been sustained, and as of       this writing the longest patient follow-up is two and one-half years from       initial treatment. These        first ten included patients with memory loss associated with Alzheimer's       disease (AD), amnestic mild cognitive impairment (aMCI), or subjective       cognitive impairment (SCI; when a patient reports cognitive problems). One       patient, diagnosed with late stage        Alzheimer's, did not improve.               The study, which comes jointly from the UCLA Mary S. Easton Center for       Alzheimer's Disease Research and the Buck Institute for Research on Aging, is       the first to suggest that memory loss in patients may be reversed, and       improvement sustained, using a        complex, 36-point therapeutic program that involves comprehensive changes in       diet, brain stimulation, exercise, optimization of sleep, specific       pharmaceuticals and vitamins, and multiple additional steps that affect brain       chemistry.               The findings, published in the current online edition of the journal Aging,       "are very encouraging. However, at the current time the results are anecdotal,       and therefore a more extensive, controlled clinical trial is warranted," said       Dale Bredesen, the        Augustus Rose Professor of Neurology and Director of the Easton Center at       UCLA, a professor at the Buck Institute, and the author of the paper.               This image shows a drawing of a brain slice shrunken due to Alzheimer's       disease.        The study is the first to suggest that memory loss in patients may be       reversed, and improvement sustained, using a complex, 36-point therapeutic       program that involves comprehensive changes in diet, brain stimulation,       exercise, optimization of sleep,        specific pharmaceuticals and vitamins, and multiple additional steps that       affect brain chemistry. This image is for illustrative purposes only. Credit       NIH/NIA.        In the case of Alzheimer's disease, Bredesen notes, there is not one drug that       has been developed that stops or even slows the disease's progression, and       drugs have only had modest effects on symptoms. "In the past decade alone,       hundreds of clinical        trials have been conducted for Alzheimer's at an aggregate cost of over a       billion dollars, without success," he said.               Other chronic illnesses such as cardiovascular disease, cancer, and HIV, have       been improved through the use of combination therapies, he noted. Yet in the       case of Alzheimer's and other memory disorders, comprehensive combination       therapies have not been        explored. Yet over the past few decades, genetic and biochemical research has       revealed an extensive network of molecular interactions involved in AD       pathogenesis. "That suggested that a broader-based therapeutics approach,       rather than a single drug that        aims at a single target, may be feasible and potentially more effective for       the treatment of cognitive decline due to Alzheimer's," said Bredesen.               While extensive preclinical studies from numerous laboratories have identified       single pathogenetic targets for potential intervention, in human studies, such       single target therapeutic approaches have not borne out. But, said Bredesen,       it's possible        addressing multiple targets within the network underlying AD may be successful       even when each target is affected in a relatively modest way. "In other       words," he said, "the effects of the various targets may be additive, or even       synergistic."               The uniform failure of drug trials in Alzheimer's influenced Bredesen's       research to get a better understanding of the fundamental nature of the       disease. His laboratory has found evidence that Alzheimer's disease stems from       an imbalance in nerve cell        signaling: in the normal brain, specific signals foster nerve connections and       memory making, while balancing signals support memory loss, allowing       irrelevant information to be forgotten. But in Alzheimer's disease, the       balance of these opposing signals        is disturbed, nerve connections are suppressed, and memories are lost.               The model of multiple targets and an imbalance in signaling runs contrary to       the popular dogma that Alzheimer's is a disease of toxicity, caused by the       accumulation of sticky plaques in the brain. Bredesen believes the amyloid       beta peptide, the source of        the plaques, has a normal function in the brain - as part of a larger set of       molecules that promotes signals that cause nerve connections to lapse. Thus       the increase in the peptide that occurs in Alzheimer's disease shifts the       memory-making vs. memory-       breaking balance in favor of memory loss.               Given all this, Bredesen thought that rather than a single targeted agent, the       solution might be a systems type approach, the kind that is in line with the       approach taken with other chronic illnesses--a multiple-component system.                      [continued in next message]              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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