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Decades after their initial observation in prion-infected brain tissues, the identities of virus-like dense particles, varicose tubules, and oval bodies containing parallel bands and fibrils have remained elusive. Our recent work revealed…

Neurons and Cognition · Quantitative Biology 2025-01-17 Gerold Schmitt-Ulms , Xinzhu Wang , Joel Watts , Stephanie Booth , Holger Wille , Wenda Zhao

We simulate a two-dimensional, lattice based, protein-level statistical mechanical model for prion diseases (e.g., Mad Cow disease) with concommitant prion protein misfolding and aggregation. Our simulations lead us to the hypothesis that…

Statistical Mechanics · Physics 2016-08-16 A. Slepoy , R. R. P. Singh , F. Pázmándi , R. N. Kulkarni , D. L. Cox

Many neurodegenerative diseases (NDs) are characterized by the slow spatial spread of toxic protein species in the brain. The toxic proteins can induce neuronal stress, triggering the Unfolded Protein Response (UPR), which slows or stops…

Neurons and Cognition · Quantitative Biology 2024-05-28 Elliot M. Miller , Tat Chung D. Chan , Carlos Montes-Matamoros , Omar Sharif , Laurent Pujo-Menjouet , Michael R. Lindstrom

Prion diseases are invariably fatal and highly infectious neurodegenerative diseases that affect a wide variety of mammalian species such as sheep and goats, cattle, deer, elks, humans and mice etc., but rabbits have a low susceptibility to…

Biological Physics · Physics 2016-04-26 Jiapu Zhang , Feng Wang

Piscine orthoreovirus Strain PRV-1 is the causative agent of heart and skeletal muscle inflammation (HSMI) in Atlantic salmon (Salmo salar). Given its high prevalence in net pen salmon, debate has arisen on whether PRV poses a risk to…

Molecular dynamics (MD) studies of buffalo prion protein (BufPrP$^\text{C}$) [Zhang JP et al.(2016) J Biomol Struct Dyn 34(4):762-777] showed that the structure of this protein is very stable at room temperature (whether under neutral pH or…

Biological Physics · Physics 2021-02-01 Jiapu Zhang

Neurodegenerative diseases, such as Alzheimer's and Parkinson's, pose a growing global health burden. Prolyl oligopeptidase (PREP) has emerged as a potential therapeutic target in these diseases. Recent studies have shown that direct…

Chemical Physics · Physics 2025-03-20 Katarzyna Walczewska-Szewc , Jakub Rydzewski

Neurodegenerative diseases are closely associated with the amplification and invasion of toxic proteins. In particular Alzheimer's disease is characterized by the systematic progression of amyloid-$\beta$ and $\tau$-proteins in the brain.…

Cell Behavior · Quantitative Biology 2020-12-02 P. G. Kevrekidis , Travis Thompson , Alain Goriely

Introduction Sporadic Creutzfeldt Jakob disease sCJD is a rapidly progressive neurodegenerative disease without effective treatment that usually results in death within one year. The recently applied methods have improved the accuracy of…

Neurons and Cognition · Quantitative Biology 2026-01-16 Chun Zeng , Dezhu Gao , Liang Wu

Prion and prion-like molecules are a type of self replicating aggregate protein that have been implicated in a variety of neurodegenerative diseases. Over recent decades the molecular dynamics of prions have been characterized both…

Populations and Evolution · Quantitative Biology 2022-07-06 Saul Acevedo , Alexander J. Stewart

Parkinson's Disease (PD) is a chronic, degenerative disorder which leads to a range of motor and cognitive symptoms. PD diagnosis is a challenging task since its symptoms are very similar to other diseases such as normal ageing and…

Machine Learning · Computer Science 2021-01-15 Mohamad Alissa

The Human Genome Project (HGP) provides researchers with the data of nearly all human genes and the challenge to use this information for elucidating the etiology of common disorders. A secondary Darwinian method was applied to HGP and…

Disordered Systems and Neural Networks · Physics 2015-03-26 Hans W. M. Moises

Neurodegenerative diseases are associated with the assembly of specific proteins into oligomers and fibrillar aggregates. At the brain scale, these protein assemblies can diffuse through the brain and seed other regions, creating an…

Dynamical Systems · Mathematics 2024-07-08 Georgia S. Brennan , Alain Goriely

Neurodegenerative diseases are characterized by the accumulation of misfolded proteins and widespread disruptions in brain function. Computational modeling has advanced our understanding of these processes, but efforts have traditionally…

Genetic diseases can be classified according to their modes of inheritance and their underlying molecular mechanisms. Autosomal dominant disorders often result from DNA variants that cause loss-of-function, gain-of-function, or…

Quantitative Methods · Quantitative Biology 2025-06-17 Ali Saadat , Jacques Fellay

Neurological diseases are the leading global cause of disability, yet most lack disease-modifying treatments. We present PROTON, a heterogeneous graph transformer that generates testable hypotheses across molecular, organoid, and clinical…

Parkinson's disease is a neurological condition that occurs in nearly 1% of the world's population. The disease is manifested by a drop in dopamine production, symptoms are cognitive and behavioural and include a wide range of personality…

Image and Video Processing · Electrical Eng. & Systems 2024-01-08 Maria Frasca , Davide La Torre , Gabriella Pravettoni , Ilaria Cutica

Intrinsically disordered proteins are fascinating the community of protein science since the last decade, at least. There is a well-established line of research that intends to reveal the crucial role played by intrinsically disordered…

Biomolecules · Quantitative Biology 2014-10-17 Antonio Deiana , Andrea Giansanti

Many experimental studies have shown that the prion AGAAAAGA palindrome hydrophobic region (113-120) has amyloid fibril forming properties and plays an important role in prion diseases. However, due to the unstable, noncrystalline and…

Biomolecules · Quantitative Biology 2013-12-10 Jiapu Zhang , David Y. Gao , Johh Yearwood

Prions are misfolded proteins that transmit their structural arrangement to neighboring proteins. In biological systems, prion dynamics can produce a variety of complex functional outcomes. Yet, an understanding of prionic causes has been…

Soft Condensed Matter · Physics 2025-01-14 Mathieu Ouellet , Dani S. Bassett , Lee C. Bassett , Kieran A. Murphy , Shubhankar P. Patankar