Type 2 diabetes medication can help keep dementia and Alzheimer's disease at bay by making a difference in the progression of brain degeneration, reveals a new study.
USC Dornsife psychologists have found that those patients with untreated diabetes developed signs of Alzheimer's disease 1.6 times faster than people who did not have diabetes.
Dementia
Dementia has become a very big concern as we have an aging population across the world. Dementia is also terrifying to us because of its disturbing symptoms and limited treatment options.
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‘Medicines for treating type 2 diabetes might make a difference in the progression of brain degeneration and keep dementia and Alzheimer's away.’
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The study was published in the journal Diabetes Care.
"Our findings emphasize the importance of catching diabetes or other metabolic diseases in adults as early as you can," says Daniel A. Nation, a psychologist at USC Dornsife College of Letters, Arts and Sciences. "Among people with diabetes, the difference in their rate of developing the signs of dementia and Alzheimer's is clearly tied somehow to whether or not they are on medication for it."
![Alzheimers Disease]( "Alzheimers Disease")
Alzheimer''s disease is a progressive neurodegenerative disease affecting memory and thinking and making the person increasingly dependent on others.
Nation says that this study may be the first to compare the rate of developing the pathology for Alzheimer's disease and dementia among people with normal glucose levels, with pre-diabetes, or people with type 2 diabetes -- both treated and untreated.
For the study, the scientists were comparing the 'tau pathology' -- the progression of the brain tangles that are the hallmark of Alzheimer's disease. When the tangles combine with sticky beta-amyloid plaques -- a toxic protein -- they disrupt signals between brain cells, impairing memory and other functions.
Nation and Elissa McIntosh, a USC Dornsife Ph.D. doctoral candidate in psychology, analyzed data collected by the Alzheimer's Disease Neuroimaging Initiative on 1,289 people age 55 and older. Data included biomarkers for diabetes and vascular disease, brain scans and a range of health indicators, including performance on memory tests.
For some participants, Nation and McIntosh were able to analyze 10 years' worth of data, while for others, they had one or four years.
Among 900 of those patients, 54 had type 2 diabetes but were not being treated, while 67 were receiving treatment.
Most people in the study -- 530 -- had normal blood sugar levels while 250 had prediabetes (hyperglycemia).
The research team compared, among the different diabetic patient categories, the brain and spinal fluid test results that can indicate signs of amyloid plaques and the brain tangles.
"It is possible that the medicines for treating diabetes might make a difference in the progression of brain degeneration," Nation says. "But it's unclear how exactly those medications might slow or prevent the onset of Alzheimer's disease, so that is something we need to investigate."
Increasingly, scientists regard Alzheimer's disease as the result of a cascade of multiple problems, instead of triggered by one or two. The compounding factors range from pollution exposure and genetics (the ApoE4 gene, for instance) to heart disease and metabolic disease.
Source: Eurekalert
Alzheimers Disease
Alzheimer''s disease is a progressive neurodegenerative disease affecting memory and thinking and making the person increasingly dependent on others.
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Nation says that this study may be the first to compare the rate of developing the pathology for Alzheimer's disease and dementia among people with normal glucose levels, with pre-diabetes, or people with type 2 diabetes -- both treated and untreated.
For the study, the scientists were comparing the 'tau pathology' -- the progression of the brain tangles that are the hallmark of Alzheimer's disease. When the tangles combine with sticky beta-amyloid plaques -- a toxic protein -- they disrupt signals between brain cells, impairing memory and other functions.
Nation and Elissa McIntosh, a USC Dornsife Ph.D. doctoral candidate in psychology, analyzed data collected by the Alzheimer's Disease Neuroimaging Initiative on 1,289 people age 55 and older. Data included biomarkers for diabetes and vascular disease, brain scans and a range of health indicators, including performance on memory tests.
For some participants, Nation and McIntosh were able to analyze 10 years' worth of data, while for others, they had one or four years.
Among 900 of those patients, 54 had type 2 diabetes but were not being treated, while 67 were receiving treatment.
Most people in the study -- 530 -- had normal blood sugar levels while 250 had prediabetes (hyperglycemia).
The research team compared, among the different diabetic patient categories, the brain and spinal fluid test results that can indicate signs of amyloid plaques and the brain tangles.
"It is possible that the medicines for treating diabetes might make a difference in the progression of brain degeneration," Nation says. "But it's unclear how exactly those medications might slow or prevent the onset of Alzheimer's disease, so that is something we need to investigate."
Increasingly, scientists regard Alzheimer's disease as the result of a cascade of multiple problems, instead of triggered by one or two. The compounding factors range from pollution exposure and genetics (the ApoE4 gene, for instance) to heart disease and metabolic disease.
Source: Eurekalert
Type 2 Diabetes
Globalization and changing lifestyles has made diabetes very common in developing countries so much so that India is known as the Diabetes Capital of the World.
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 Diabetes - EssentialsDiabetes is a metabolic disease caused by insulin deficiency that leads to high blood sugar levels and several associated complications if left untreated. | Advertisement
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