Irisin protein, which is produced during exercise that can neutralize the symptoms of Alzheimera.
This was reported by scientists from Queen University and Federal University of Rio de Janeiro, reports Naked science.
According to previous studies, exercise helps improve memory and cognitive function. Now, by conducting experiments on mice, scientists have suggested that physical activity can reverse the effects of Alzheimer’s disease.
In the study, biologists first examined samples of brain tissue of healthy people and those suffering from Alzheimer’s disease. They saw that in all samples was present in the hippocampus irisin, but in the second case, its concentration was much lower.
After this, scientists began experiments on mice. For a start, they measured the content irisin in the hippocampus of healthy mice, increasing memory has improved, and by lowering deteriorated. Further – looked at how the increase irisin impact on beta-amyloid — peptides, which initiate the process of formation of amyloid plaques, serving one of the factors of dementia in Alzheimer’s disease.
For five weeks, mice with beta-amyloid swam five days a week for one hour daily. Thus, they were not observed memory impairments. When irisin chemically blocked, the voyage has not brought the same effect.
Recallthat a team of researchers at the University of Iowa found that high levels of the hormone of satiety helps to reduce the risk of one of the types of dementia.
Using the data obtained in the framework of the Initiative on neuroimaging of Alzheimer’s disease, researchers studied the level of cholecystokinin (SSK) in 287 people, according to Neurobiology of Aging.
As reported by the portal “Znayu” a diet high in vegetables and olive oil reduces the risk of cardiovascular disease by 25 %.
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