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Alzheimer's first substantive description of plaques appeared in 1911. [11] In contrast, Oskar Fischer published a series of comprehensive investigations of plaques and dementia in 1907, 1910 and 1912. [11] By 1911, Max Bielschowsky proposed the amyloid-nature of plaque deposits.
Amyloid cardiomyopathy (stiff heart syndrome) [5] is a condition resulting in the death of part of the myocardium (heart muscle). It is associated with the systemic production and release of many amyloidogenic proteins , especially immunoglobulin light chain or transthyretin (TTR). [ 6 ]
The majority of treatment is aimed at preserving heart function and treating heart failure symptoms. [3] Light chain (AL-CM) Treatment: Since the cause of this subtype of cardiac amyloidosis is the excessive production of free light chains, the major goal of treatment is the reduction in concentration of light chains. [5]
A heart attack occurs suddenly when an atherosclerotic plaque in one of the arteries to your heart ruptures. It can cause symptoms such as: Chest pain, pressure, or tightness
The reasons why amyloid cause diseases are unclear. In some cases, the deposits physically disrupt tissue architecture, suggesting disruption of function by some bulk process. An emerging consensus implicates prefibrillar intermediates, rather than mature amyloid fibers, in causing cell death, particularly in neurodegenerative diseases.
Due to this resistance to degradation, when amyloid fibrils accumulate in the heart's walls, specifically the left ventricle, rigidity prevents the heart from properly relaxing and refilling with blood: this is called diastolic dysfunction which can ultimately lead to heart failure. [2]
“Beta-amyloid plaques are a hallmark of the disease and are thought to contribute to its progression. If L-DOPA can be shown to be effective in reducing beta-amyloid plaques in humans, it could ...
Amyloid beta (Aβ, Abeta or beta-amyloid) denotes peptides of 36–43 amino acids that are the main component of the amyloid plaques found in the brains of people with Alzheimer's disease. [2] The peptides derive from the amyloid-beta precursor protein (APP), which is cleaved by beta secretase and gamma secretase to yield Aβ in a cholesterol ...
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