The actual process of vascular aging may predispose a person's brain to the increased
amount of amyloid plaque buildup.
«Two individuals may harbor similar
amounts of amyloid plaques and tau tangles in their brains, but one may be completely healthy while the other may have severe memory loss and dementia,» he says.
Not exact matches
The results showed that
amyloid plaque levels in the posterior cingulate cortex were related to the
amount of white matter damage, suggesting that injury to the brain's wiring may be linked to the formation
of amyloid plaques.
They found no difference in the number
of plaques or the total
amount of amyloid beta between the mice that received the compound and those given just saltwater.
The drug also appeared to reduce the
amount of the protein
amyloid beta (which forms toxic
plaques in the brains
of Alzheimer's patients) by decreasing the levels
of metals such as zinc and copper.
The
amount of beta -
amyloid proteins, which make up the characteristic Alzheimer's
plaques, was also much lower in the brains
of the mice on the low - calorie diet.
The test measures the relative
amounts of different forms
of beta -
amyloid in blood to see whether
plaques are likely to be building in the brain.
Some studies suggest that Alzheimer's patients have an abnormally high
amount of aluminum in the
amyloid protein
plaques that characterize the disease, although the exact connection remains unclear.