Amyloid plaques (also known as neuritic plaques, amyloid beta plaques or senile plaques) are extracellular deposits of amyloid beta (Aβ) protein that present...
31 KB (3,371 words) - 18:54, 31 October 2024
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...
44 KB (4,832 words) - 17:41, 17 November 2024
Amyloids are aggregates of proteins characterised by a fibrillar morphology of typically 7–13 nm in diameter, a β-sheet secondary structure (known as cross-β)...
60 KB (6,536 words) - 06:58, 4 November 2024
generates amyloid beta (Aβ), a polypeptide containing 37 to 49 amino acid residues, whose amyloid fibrillar form is the primary component of amyloid plaques found...
50 KB (5,683 words) - 22:54, 15 November 2024
Notably, amyloid plaques have been hypothesized to counteract this BBB leakage. However, upon the administration of antibodies, these plaques are targeted...
10 KB (780 words) - 07:19, 3 August 2024
of abnormally folded amyloid beta protein into amyloid plaques, and tau protein into neurofibrillary tangles in the brain. Plaques are made up of small...
186 KB (19,755 words) - 21:54, 23 November 2024
Biochemistry of Alzheimer's disease (redirect from Amyloid hypothesis)
and cingulate gyrus. Both amyloid plaques and neurofibrillary tangles are clearly visible by microscopy in AD brains. Plaques are dense, mostly insoluble...
65 KB (7,761 words) - 09:06, 10 September 2024
several different types of amyloid. In almost all of the organ-specific pathologies, there is debate as to whether the amyloid plaques are the causal agent...
3 KB (181 words) - 14:51, 4 November 2023
Atherosclerosis (redirect from Atherosclerotic plaques)
of atherosclerotic changes is similar to that in the development of amyloid plaques in the brain and that of age spots on the skin. Misrepair-accumulation...
100 KB (11,168 words) - 03:44, 19 November 2024
or other materials Amyloid plaque Atheroma or atheromatous plaque, a buildup of deposits within the wall of an artery Dental plaque, a biofilm that builds...
1 KB (206 words) - 01:50, 8 October 2023
Cerebral amyloid angiopathy (CAA) is a form of angiopathy in which amyloid beta peptide deposits in the walls of small to medium blood vessels of the...
18 KB (1,768 words) - 14:27, 21 August 2024
radiotracer developed for routine clinical application to visualize β-amyloid plaques in the brain. It is a fluorine-18 (18F)-labeled stilbene derivative...
17 KB (1,509 words) - 06:21, 1 July 2024
reduction in amyloid plaques. Accelerated brain volume loss has been reported with lecanemab, aducanumab, donanemab, and other anti-amyloid drugs. Hippocampal...
8 KB (2,309 words) - 12:33, 27 September 2024
gamma-secretase (γ-secretase) produces the amyloid-beta peptide fragment that aggregates into clumps called amyloid plaques in the brains affected by Alzheimer's...
3 KB (319 words) - 08:23, 29 June 2024
presence of amyloid plaques and neurofibrillary tangles. Plaques are made up of small peptides, typically 39–43 amino acids in length, called amyloid beta (also...
63 KB (6,940 words) - 01:18, 18 November 2024
forms of the disease. Deposits of amyloid can be seen in sections of brain tissue. This amyloid protein forms plaques and neurofibrillary tangles that...
34 KB (3,741 words) - 12:37, 18 October 2024
which can be used in positron emission tomography scans to image beta-amyloid plaques in neuronal tissue. Due to this property, Pittsburgh compound B may...
11 KB (1,076 words) - 18:14, 21 October 2024
immune function) multiply. Pathogens accumulate to form characteristic amyloid plaques, though these are less prevalent than in other transmissible spongiform...
82 KB (11,301 words) - 12:54, 11 October 2024
Donanemab (category Anti-amyloid monoclonal antibodies)
as the first, primarily measuring the effectiveness on reducing amyloid brain plaques. The increase in dosage led to a larger percentage of participants...
20 KB (2,035 words) - 22:21, 11 November 2024
response to the amyloid plaques that are characteristic of AD. Loss of TREM2 function reduces the responses of microglia to plaques, which then appear...
39 KB (4,092 words) - 23:27, 24 August 2024
Pittsburgh compound B (PiB) and florbetaben, which are all used to detect amyloid-beta plaques, a potential biomarker for Alzheimer's in the brain. PET imaging...
74 KB (8,812 words) - 19:41, 8 November 2024
apoptotic cells), excess synapses, or protein aggregates (such as amyloid plaques). Opsonins help clear pathogens, as well as dead, dying and diseased...
13 KB (1,529 words) - 18:57, 23 October 2024
of misfolded protein aggregates called amyloid, both in vitro and in vivo (e.g., plaques composed of amyloid beta found in the brains of Alzheimer's...
11 KB (995 words) - 03:38, 18 September 2024
decline. Exposure of reactive astrocytes to β-amyloid (Αβ) peptide, the main component of amyloid plaques, may also induce astroglial dysfunction and neurotoxicity...
30 KB (3,598 words) - 19:44, 13 July 2024
Lecanemab (category Anti-amyloid monoclonal antibodies)
medication used for the treatment of Alzheimer's disease. Lecanemab is an amyloid beta-directed antibody. It is given via intravenous infusion to patients...
29 KB (2,556 words) - 20:50, 14 November 2024
memory disorder is the amount of beta-amyloid deposits, hippocampal neurofibrillary tangles, or amyloid plaques in the cortex. If there is an increased...
43 KB (5,516 words) - 18:07, 9 July 2024
tracer called florbetapir (18F). Florbetapir can be used to detect beta amyloid plaques in patients with memory problems using positron emission tomography...
10 KB (1,244 words) - 17:00, 1 June 2024
amino acid peptide called amyloid beta whose abnormally folded fibrillar form is the primary component of amyloid plaques found in the brains of Alzheimer's...
19 KB (2,211 words) - 17:57, 8 August 2024
be the major constituent of diffuse plaques observed in Alzheimer's disease (AD) brains and pre-amyloid plaques in people affected by Down syndrome....
11 KB (1,340 words) - 02:06, 6 May 2024
reverse the Abeta42:Abeta40 ratio and thereby prevent the “seeding” of amyloid plaques. Notably, they do not inhibit gamma-secretase. Tanzi and Wagner have...
36 KB (4,371 words) - 06:48, 6 April 2024