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Related papers: Cu2+ Affects Amyloid-\b{eta} (1-42) Aggregation by…

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The formation of amyloid fibrils comprising amyloid $\beta$ (A$\beta$) peptides is associated with the pathology of Alzheimer's disease. In this study, we theoretically investigated the A$\beta$ structure at the fibril end using the density…

Biological Physics · Physics 2025-05-15 Yasuhiro Oishi , Motoharu Kitatani , Kichitaro Nakajima , Hirotsugu Ogi , Koichi Kusakabe

Accumulation of amyloid beta proteins is a defining feature of Alzheimer's disease, and is usually accompanied by cerebrovascular pathology. Evidence suggests that amyloid beta and cerebrovascular pathology are mutually reinforcing; in…

Numerical Analysis · Mathematics 2026-01-14 Mattia Corti , Andrew Ahern , Alain Goriely , Ellen Kuhl , Paola F. Antonietti

Alzheimer's disease (AD) persists as a paramount challenge in neurological research, characterized by the pathological hallmarks of amyloid-beta (Abeta) plaques and neurofibrillary tangles composed of hyperphosphorylated tau. This review…

Neurons and Cognition · Quantitative Biology 2025-12-15 Xutong She

Beta-amyloid positron emission tomography (A$\beta$-PET) imaging has become a critical tool in Alzheimer's disease (AD) research and diagnosis, providing insights into the pathological accumulation of amyloid plaques, one of the hallmarks…

Image and Video Processing · Electrical Eng. & Systems 2024-10-02 Qing Lyu , Jin Young Kim , Jeongchul Kim , Christopher T Whitlow

Alzheimer's disease (AD) is marked by the pathological accumulation of amyloid beta-42 (Abeta-42), contributing to synaptic dysfunction and neurodegeneration. While extracellular amyloid plaques are well-studied, increasing evidence…

Artificial Intelligence · Computer Science 2026-01-27 Naeyma N. Islam , Thomas R. Caulfield

Alzheimer's disease (AD) is a common neurodegenerative disorder nowadays. Amyloid-beta (A$\beta$) and tau proteins are among the main contributors to the development or propagation of AD. In AD, A$\beta$ proteins clump together to form…

Neurons and Cognition · Quantitative Biology 2025-04-21 Swadesh Pal , Roderick Melnik

Phosphorylation is one of the most important protein modifications, and electron-transfer dissociation tandem mass spectrometry (ETD-MS/MS) is a potentially useful method for the sequencing of phosphopeptides, including determination of the…

Chemical Physics · Physics 2018-11-27 Daiki Asakawa , Akio Miyazato , Frederic Rosu , Valérie Gabelica

Alzheimer's disease (AD) is a complex neurodegenerative disorder characterized by the accumulation of amyloid-beta (A$\beta$) and phosphorylated tau (p-tau) proteins, leading to cognitive decline measured by the Alzheimer's Disease…

Neurons and Cognition · Quantitative Biology 2025-04-21 Swadesh Pal , Roderick Melnik

Zinc is found saturated in the deposited Amyloid-beta (AB) peptide plaques in brains of patients subjected to Alzheimer disease (AD). Zinc binding to AB promotes aggregations, including the toxic soluble AB species. Up to now, only the…

Biomolecules · Quantitative Biology 2013-01-09 Yandong Huang , Jianwei Shuai

Inspired by recent suggestions that the Alzheimer's amyloid beta peptide (A beta) can insert into cell membranes and form harmful ion channels, we model insertion of the 40 and 42 residue forms of the peptide into cell membranes using a…

Biological Physics · Physics 2009-11-10 David L. Mobley , Daniel L. Cox , Rajiv R. P. Singh , Michael W. Maddox , Marjorie L. Longo

Alzheimer's disease (AD) is a prominent, worldwide, age-related neurodegenerative disease that currently has no systemic treatment. Strong evidence suggests that permeable amyloid-beta peptide (Abeta) oligomers, astrogliosis and reactive…

Neurons and Cognition · Quantitative Biology 2023-06-23 Hina Shaheen , Roderick Melnik , The Alzheimer's Disease Neuroimaging Initiative

Over the past thirty years, researchers have highlighted the role played by a class of proteins or polypeptides that forms pathogenic amyloid aggregates in vivo, including i) the amyloid Abeta peptide, which is known to form senile plaques…

Biological Physics · Physics 2022-09-23 Carmelo Tempra , Federica Scollo , Martina Pannuzzo , Fabio Lolicato , Carmelo La Rosa

The immuno-infrared sensor detects target proteins in solution. Exemplary, the initial misfolding of amyloid beta (Abeta) peptides in blood is measured, enabling early risk prediction of Alzheimer's disease in the preclinical stage.…

We report how the electron transport through a solid-state metal/Gly-Gly-His tripeptide (GGH) monolayer/metal junction and the metal/GGH work function are modified by the GGH complexation with Cu2+ ions. Conducting AFM is used to measure…

Alzheimer's disease (AD) persists as a paramount challenge in neurological research, characterized by the pathological hallmarks of amyloid-$\beta$ (A$\beta$) plaques and neurofibrillary tangles composed of hyperphosphorylated tau. This…

Molecular Networks · Quantitative Biology 2025-12-05 She Xutong

Identifying amyloid-beta positive patients is crucial for determining eligibility for Alzheimer's disease (AD) clinical trials and new disease-modifying treatments, but currently requires PET or CSF sampling. Previous MRI-based deep…

Image and Video Processing · Electrical Eng. & Systems 2025-08-06 Donghoon Kim , Jon Andre Ottesen , Ashwin Kumar , Brandon C. Ho , Elsa Bismuth , Christina B. Young , Elizabeth Mormino , Greg Zaharchuk

Alzheimer disease (AD) is considered one of the leading causes of death in the United States, and there is no effective cure for it. Understanding the neuropathological mechanisms underlying AD is essential for identifying early, reliable…

Emerging evidence shows that cognitive deficits in Alzheimer disease (AD) are associated with disruptions in brain functional connectivity. Thus, the identification of alterations in AD functional networks has become a topic of increasing…

Neurons and Cognition · Quantitative Biology 2018-02-27 A. Kabbara , H. Eid , EL W. Falou , M. Khalil , F. Wendling , M. Hassan

Amyloid-$\beta$ (A$\beta$) plaques in conjunction with hyperphosphorylated tau proteins in the form of neurofibrillary tangles are the two neuropathological hallmarks of Alzheimer's disease. It is well-known that the identification of…