Showing posts with label tangles. Show all posts
Showing posts with label tangles. Show all posts
Chronic Stress Promotes Protein Brain Tangles and Risk of Alzheimer’s Disease
Wednesday, April 9, 2014
Alzheimer’s disease is characterized by an initial loss of short term memory and the ability to form rational and permanent thoughts. Protein tangles known as tau aggregates strangle neural synapses, blocking the vital flow of neurotransmitter and electrical signals necessary to form memories and personality. Once considered a disease of the aging, this form of dementia is increasing at a startling rate in younger individuals, largely due to a processed and ined food diet, environmental factors and long-term chronic stress.
Researchers from the University of California, San Diego School of Medicine have published the result of a study in the Proceedings of the National Academy of Sciences, explaining the mechanism behind continual exposure to stressors so common in our rapid-paced lifestyle, and the unnatural accumulation of insoluble tau protein aggregates in brain tissue. They explain that neurofibrillary tangles are one of the physical hallmark signs of Alzheimer’s disease, and have been shown to contribute to disease progression in people under chronic stress conditions during the course of past studies.
Chronic Stress is Positively Linked to Physical Brain Changes Leading to Alzheimer’s Dementia
The study team, using a mouse-based model, noted “we found that repeated episodes of emotional stress, which has been demonstrated to be comparable to what humans might experience in ordinary life, resulted in the phosphorylation and altered solubility of tau proteins in neurons… these events are critical in the development of NFT pathology in Alzheimers disease.” Researchers determined that the effect was most pronounced in the hippocampus of the brain, an area linked to the formation, organization and storage of memories.
The study team, using a mouse-based model, noted “we found that repeated episodes of emotional stress, which has been demonstrated to be comparable to what humans might experience in ordinary life, resulted in the phosphorylation and altered solubility of tau proteins in neurons… these events are critical in the development of NFT pathology in Alzheimers disease.” Researchers determined that the effect was most pronounced in the hippocampus of the brain, an area linked to the formation, organization and storage of memories.
The scientists are quick to note that the type of stress that is associated with the development of tangles in the brain is not acute stress, defined as a single, passing episode. They determined that chronic, long term stress that never ceases is far more threatening to the brain and promotes tau protein aggregates to accumulate. Acute stress is actually considered useful for brain plasticity and helps to facilitate learning.
Engage in Stress Reduction Techniques to Reduce Stress and Disease Risk
Chronic stress continually stimulates and activates stress pathways in the brain that lead to pathological alteration of stress circuitry in the brain. The researchers describe chronic stress as too much of a good thing gone bad. Lead study author, Dr. Robert Rissman commented on their findings “As people age, perhaps their neuronal circuits do too, becoming less robust and perhaps less capable of completely rebounding from the effects of stress.”
Chronic stress continually stimulates and activates stress pathways in the brain that lead to pathological alteration of stress circuitry in the brain. The researchers describe chronic stress as too much of a good thing gone bad. Lead study author, Dr. Robert Rissman commented on their findings “As people age, perhaps their neuronal circuits do too, becoming less robust and perhaps less capable of completely rebounding from the effects of stress.”
Certainly we cannot entirely eliminate stress from our daily lives, and the results of this study conclude that small amounts of acute stress are important to maintain brain plasticity and for the formation of new memories. The problem arises when the level of stress never abates, and our brain is unable to recover from the massive amount of new stimuli we experience from chronic stress. Reduce your stress level to a minimum, as this will provide yet another crucial lifestyle modification that can help prevent chronic illness and ward off Alzheimer’s disease.
Vitamin D and Curcumin Synergistically Clear Brain Tangles to Prevent Alzheimer’s Dementia
Tuesday, February 11, 2014
New diagnosis of Alzheimer’s disease cases continue to mount at an unprecedented rate, threatening both the lives of those suffering from this dreaded illness and the health care system itself, as billions are spent to care for the millions suffering from this lifestyle-mediated disease. New hope is now offered by scientists from the University of California publishing in the Journal of Alzheimer’s Disease, as they have identified the specific intracellular mechanism regulated by vitamin D3 that may help the body clear the brain of amyloid beta.
There has been scant evidence in the past to show that vitamin D and the curry-derived compound, curcumin help to prevent Alzheimer’s dementia. Researchers now provide solid research-based science to explain the precise pathway used by these two natural substances to help stimulate the immune system to activate key genes involved in clearing the amyloid-beta protein.
Vitamin D3 and Curcumin Works Together to Clear Deadly Brain Plaques
Chief study author, Dr. Milan Fiala noted“This new study helped clarify the key mechanisms involved, which will help us better understand the usefulness of vitamin D3 and curcumin as possible therapies for Alzheimers disease.” Prior research has suggested a synergistic effect between the two compounds and clearance of deadly protein tangles, but no action pathway has ever been postulated until now.
To test their hypothesis, scientists took blood samples from a group of currently diagnosed Alzheimer’s disease patients and a control group of healthy volunteers. They then isolated the immune-stimulating component of the white blood cells called macrophages. These special cells are known to target and eliminate amyloid fibrils and other waste products that accumulate in the brain before they manifest into detectable disease conditions.
Researchers then incubated some of the extracted immune cells for a 24 hour period in a solution containing the active form of vitamin D3 (1a, 25-dihydroxyvitamin D3). Other cells were exposed to a standardized curcumin extract. Past studies have shown that there are two types of macrophages, Type I and Type II that independently perform different functions, yet must work together to effectively remove amyloid protein in the brain.
Supplement with Vitamin D Daily to Attain Optimal Blood Saturation Levels
The scientists found that Type I macrophage activity is greatly enhanced with optimal saturation of vitamin D3, and Type II immune cells are supported by the presence of curcumin. Researchers found that the action of both Type I and II macrophages are greatly enhanced by the synergistic application of vitamin D3 and curcumin together. Dr. Fiala concluded“Our findings demonstrate that active forms of vitamin D3 (and curcumin) may be an important regulator of immune activities of macrophages in helping to clear amyloid plaques.”
Proof positive now exists to support maintaining optimal blood saturation levels (50 to 70 ng/mL) of vitamin D as measured using the simple and inexpensive 25(OH)D test. Most people will need to supplement with 5,000 to 7,000 IU of vitamin D3 per day or rely on sun exposure to obtain ideal levels. Adding curcumin to your regular diet using natural curry-enriched foods or supplementing (300 to 500 mg per day standardized to 95% total curcuminoids) will provide a synergistic effect shown to help clear brain tangles and prevent Alzheimer’s dementia.
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