Skip Content
You are currently on the new version of our website. Access the old version .

37 Results Found

  • Article
  • Open Access
9 Citations
5,017 Views
11 Pages

In practice and despite Anfinsen’s dogma, the refolding of recombinant multiple SS-bonded proteins is famously difficult because misfolded species with non-native SS-bonds appear upon the oxidization of their cysteine residues. On the other han...

  • Article
  • Open Access
10 Citations
4,617 Views
13 Pages

14 November 2016

The human islet amyloid polypeptide (hIAPP) is an intrinsically disordered protein that can self-assemble into fibrillar aggregates that play a key role in the pathogenesis of the type II diabetes mellitus. hIAPP can transiently adopt α -helix a...

  • Review
  • Open Access
20 Citations
5,916 Views
20 Pages

Recent Advances in EPAC-Targeted Therapies: A Biophysical Perspective

  • Alveena Ahmed,
  • Stephen Boulton,
  • Hongzhao Shao,
  • Madoka Akimoto,
  • Amarnath Natarajan,
  • Xiaodong Cheng and
  • Giuseppe Melacini

19 November 2019

The universal second messenger cAMP regulates diverse intracellular processes by interacting with ubiquitously expressed proteins, such as Protein Kinase A (PKA) and the Exchange Protein directly Activated by cAMP (EPAC). EPAC is implicated in multip...

  • Review
  • Open Access
22 Citations
8,767 Views
24 Pages

Molecular Mechanisms of Amylin Turnover, Misfolding and Toxicity in the Pancreas

  • Diti Chatterjee Bhowmick,
  • Zhanar Kudaibergenova,
  • Lydia Burnett and
  • Aleksandar M. Jeremic

2 February 2022

Amyloidosis is a common pathological event in which proteins self-assemble into misfolded soluble and insoluble molecular forms, oligomers and fibrils that are often toxic to cells. Notably, aggregation-prone human islet amyloid polypeptide (hIAPP),...

  • Review
  • Open Access
224 Views
45 Pages

28 January 2026

Synucleinopathies, including Parkinson’s disease (PD), are neurodegenerative disorders characterized by aberrant aggregation of α-synuclein (α-syn), a presynaptic protein with an intrinsic disorder nature. The transition of soluble...

  • Article
  • Open Access
10 Citations
5,010 Views
30 Pages

Aryl Hydrocarbon Receptor-Dependent and -Independent Pathways Mediate Curcumin Anti-Aging Effects

  • Vanessa Brinkmann,
  • Margherita Romeo,
  • Lucie Larigot,
  • Anne Hemmers,
  • Lisa Tschage,
  • Jennifer Kleinjohann,
  • Alfonso Schiavi,
  • Swantje Steinwachs,
  • Charlotte Esser and
  • Natascia Ventura
  • + 9 authors

The aryl hydrocarbon receptor (AhR) is a ligand-activated transcription factor whose activity can be modulated by polyphenols, such as curcumin. AhR and curcumin have evolutionarily conserved effects on aging. Here, we investigated whether and how th...

  • Article
  • Open Access
17 Citations
3,685 Views
15 Pages

SIRT7 Deficiency Protects against Aβ42-Induced Apoptosis through the Regulation of NOX4-Derived Reactive Oxygen Species Production in SH-SY5Y Cells

  • Hironori Mizutani,
  • Yoshifumi Sato,
  • Masaya Yamazaki,
  • Tatsuya Yoshizawa,
  • Yukio Ando,
  • Mitsuharu Ueda and
  • Kazuya Yamagata

12 August 2022

Alzheimer’s disease (AD) is an age-related neurodegenerative disease that is characterized by irreversible memory loss and cognitive decline. The deposition of amyloid-β (Aβ), especially aggregation-prone Aβ42, is considered to b...

  • Review
  • Open Access
1 Citations
2,318 Views
17 Pages

Rational Modulation of Liquid–Liquid Phase Separation Offers Novel Ways to Combat Tauopathies

  • Xingxing Zhang,
  • Lumiao Wang,
  • Nixin Lin,
  • Meng Gao and
  • Yongqi Huang

The microtubule-associated protein tau plays an essential role in regulating the dynamic assembly of microtubules and is implicated in axonal elongation and maturation, axonal transport, synaptic plasticity regulation, and genetic stability maintenan...

  • Review
  • Open Access
9 Citations
5,449 Views
19 Pages

29 October 2018

While progress has been made in discerning genetic associations with Parkinson’s disease (PD), identifying elusive environmental contributors necessitates the application of unconventional hypotheses and experimental strategies. Here, we provid...

  • Review
  • Open Access
19 Citations
5,281 Views
17 Pages

Heterogeneity and Architecture of Pathological Prion Protein Assemblies: Time to Revisit the Molecular Basis of the Prion Replication Process?

  • Angélique Igel-Egalon,
  • Jan Bohl,
  • Mohammed Moudjou,
  • Laetitia Herzog,
  • Fabienne Reine,
  • Human Rezaei and
  • Vincent Béringue

10 May 2019

Prions are proteinaceous infectious agents responsible for a range of neurodegenerative diseases in animals and humans. Prion particles are assemblies formed from a misfolded, β-sheet rich, aggregation-prone isoform (PrPSc) of the host-encoded c...

  • Article
  • Open Access
1,793 Views
24 Pages

GAL-201 as a Promising Amyloid-β-Targeting Small-Molecule Approach for Alzheimer’s Disease Treatment: Consistent Effects on Synaptic Plasticity, Behavior and Neuroinflammation

  • Katrin Riemann,
  • Jeldrik von Ahsen,
  • Tamara Böhm,
  • Martin Schlegel,
  • Matthias Kreuzer,
  • Thomas Fenzl,
  • Hermann Russ,
  • Christopher G. Parsons and
  • Gerhard Rammes

Soluble oligomeric forms of Amyloid-β (Aβ) are considered the major toxic species leading to the neurodegeneration underlying Alzheimer’s disease (AD). Therefore, drugs that prevent oligomer formation might be promising. The atypical...

  • Review
  • Open Access
22 Citations
5,601 Views
17 Pages

Cargo Recognition and Function of Selective Autophagy Receptors in Plants

  • Shuwei Luo,
  • Xifeng Li,
  • Yan Zhang,
  • Yunting Fu,
  • Baofang Fan,
  • Cheng Zhu and
  • Zhixiang Chen

20 January 2021

Autophagy is a major quality control system for degradation of unwanted or damaged cytoplasmic components to promote cellular homeostasis. Although non-selective bulk degradation of cytoplasm by autophagy plays a role during cellular response to nutr...

  • Review
  • Open Access
2 Citations
2,179 Views
24 Pages

Intrinsically disordered proteins (IDPs), such as tau, beta-amyloid (Aβ), and alpha-synuclein (αSyn), are prone to misfolding, resulting in pathological aggregation and propagation that drive neurodegenerative diseases, including Alzheimer...

  • Article
  • Open Access
25 Citations
3,402 Views
13 Pages

Free Cholesterol Accelerates Aβ Self-Assembly on Membranes at Physiological Concentration

  • Mohtadin Hashemi,
  • Siddhartha Banerjee and
  • Yuri L. Lyubchenko

The effects of membranes on the early-stage aggregation of amyloid β (Aβ) have come to light as potential mechanisms by which neurotoxic species are formed in Alzheimer’s disease. We have shown that direct Aβ-membrane interactions dramatically enhanc...

  • Review
  • Open Access
1 Citations
3,471 Views
34 Pages

Synthesis and Applications of Zeolite-Encapsulated Metal Catalysts

  • Teng Zhu,
  • Tianwei Zhang,
  • Lei Xiao,
  • Cunwei Zhang and
  • Yuming Li

1 September 2025

Supported metal catalysts are extensively applied in the heterogeneous catalysis field. However, metal species are prone to migration and aggregation during catalytic reactions due to their high surface energy, which leads to deactivation. In recent...

  • Review
  • Open Access
20 Citations
7,880 Views
20 Pages

Alzheimer’s Disease—A Panorama Glimpse

  • Li Na Zhao,
  • Lanyuan Lu,
  • Lock Yue Chew and
  • Yuguang Mu

16 July 2014

The single-mutation of genes associated with Alzheimer’s disease (AD) increases the production of Aβ peptides. An elevated concentration of Aβ peptides is prone to aggregation into oligomers and further deposition as plaque. Aβ plaques and neurofibri...

  • Article
  • Open Access
8 Citations
3,892 Views
16 Pages

Bap-Independent Biofilm Formation in Staphylococcus xylosus

  • Carolin J. Schiffer,
  • Miriam Abele,
  • Matthias A. Ehrmann and
  • Rudi F. Vogel

The biofilm associated protein (Bap) is recognised as the essential component for biofilm formation in Staphylococcus aureus V329 and has been predicted as important for other species as well. Although Bap orthologs are also present in most S. xylosu...

  • Article
  • Open Access
9 Citations
4,694 Views
14 Pages

27 February 2020

Although Lewy bodies and Lewy neurites are hallmarks of Parkinson’s disease (PD) and dementia with Lewy bodies (DLB), misfolded α-synuclein oligomers are nowadays believed to be key for the development of these diseases. Attempts to targe...

  • Communication
  • Open Access
8 Citations
4,863 Views
11 Pages

Unfolded Protein Response Suppression in Yeast by Loss of tRNA Modifications

  • Alexander Bruch,
  • Roland Klassen and
  • Raffael Schaffrath

23 October 2018

Modifications in the anticodon loop of transfer RNAs (tRNAs) have been shown to ensure optimal codon translation rates and prevent protein homeostasis defects that arise in response to translational pausing. Consequently, several yeast mutants lackin...

  • Article
  • Open Access
2 Citations
2,442 Views
8 Pages

Antibody aggregation, followed by acid denaturation and neutralization of pH, is one of the reasons why the production of therapeutic monoclonal antibodies (mAbs) is expensive. Determining the structural details of acid-denatured antibodies is import...

  • Article
  • Open Access
3 Citations
1,997 Views
20 Pages

Slow Evolution toward “Super-Aggregation” of the Oligomers Formed through the Swapping of RNase A N-Termini: A Wish for Amyloidosis?

  • Giovanni Gotte,
  • Elena Butturini,
  • Ilaria Bettin,
  • Irene Noro,
  • Alexander Mahmoud Helmy,
  • Andrea Fagagnini,
  • Barbara Cisterna and
  • Manuela Malatesta

23 September 2022

Natively monomeric RNase A can oligomerize upon lyophilization from 40% acetic acid solutions or when it is heated at high concentrations in various solvents. In this way, it produces many dimeric or oligomeric conformers through the three-dimensiona...

  • Article
  • Open Access
15 Citations
9,325 Views
23 Pages

22 August 2013

We use molecular dynamics simulations of a full atomistic Gō model to explore the impact of selected DE-loop mutations (D59P and W60C) on the folding space of protein human β2-microglobulin (Hβ2m), the causing agent of dialysis-related amyloidosis, a...

  • Article
  • Open Access
3 Citations
2,814 Views
16 Pages

Ecotoxicity of Heteroaggregates of Polystyrene Nanospheres in Chironomidae and Amphibian

  • Florence Mouchet,
  • Laura Rowenczyk,
  • Antoine Minet,
  • Fanny Clergeaud,
  • Jérôme Silvestre,
  • Eric Pinelli,
  • Jessica Ferriol,
  • Joséphine Leflaive,
  • Loïc Ten-Hage and
  • Laury Gauthier
  • + 2 authors

8 August 2022

Due to their various properties as polymeric materials, plastics have been produced, used and ultimately discharged into the environment. Although some studies have shown their negative impacts on the marine environment, the effects of plastics on fr...

  • Article
  • Open Access
5 Citations
3,152 Views
17 Pages

9 February 2022

Hundreds of millions of people around the world have been affected by Type 2 diabetes (T2D) which is a metabolic disorder. Clinical research has revealed T2D as a possible risk factor for Alzheimer’s disease (AD) development (and vice versa). A...

  • Article
  • Open Access
21 Citations
5,547 Views
16 Pages

Analysis of Metal-Binding Features of the Wild Type and Two Domain-Truncated Mutant Variants of Littorina littorea Metallothionein Reveals Its Cd-Specific Character

  • Òscar Palacios,
  • Elena Jiménez-Martí,
  • Michael Niederwanger,
  • Selene Gil-Moreno,
  • Oliver Zerbe,
  • Sílvia Atrian,
  • Reinhard Dallinger and
  • Mercè Capdevila

After the resolution of the 3D structure of the Cd9-aggregate of the Littorina littorea metallothionein (MT), we report here a detailed analysis of the metal binding capabilities of the wild type MT, LlwtMT, and of two truncated mutants lacking eithe...

  • Review
  • Open Access
102 Citations
7,105 Views
17 Pages

Excited-State Intramolecular Proton Transfer Dyes with Dual-State Emission Properties: Concept, Examples and Applications

  • Timothée Stoerkler,
  • Thibault Pariat,
  • Adèle D. Laurent,
  • Denis Jacquemin,
  • Gilles Ulrich and
  • Julien Massue

10 April 2022

Dual-state emissive (DSE) fluorophores are organic dyes displaying fluorescence emission both in dilute and concentrated solution and in the solid-state, as amorphous, single crystal, polycrystalline samples or thin films. This comes in contrast to t...

  • Article
  • Open Access
1 Citations
1,210 Views
23 Pages

22 August 2025

Forest disturbance is a major driver shaping the structure and function of plantation ecosystems. Current research predominantly focuses on single forest types or landscape scales. However, species-level fine-scale assessments of disturbance dynamics...

  • Article
  • Open Access
7 Citations
2,843 Views
12 Pages

Biosynthesis and Characterization of Gold Nanoparticles Produced Using Rhodococcus Actinobacteria at Elevated Chloroauric Acid Concentrations

  • Maria S. Kuyukina,
  • Marina V. Makarova,
  • Irena B. Ivshina,
  • Konstantin P. Kazymov and
  • Boris M. Osovetsky

26 October 2022

The growing industrial and medical use of gold nanoparticles (AuNPs) requires environmentally friendly methods for their production using microbial biosynthesis. The ability of actinobacteria of the genus Rhodococcus to synthesize AuNPs in the presen...

  • Article
  • Open Access
925 Views
20 Pages

Non-Vesicular Extracellular Particle (NVEP) Proteomes from Diverse Biological Sources Reveal Specific Marker Composition with Varying Enrichment Levels

  • Wasifa Naushad,
  • Bryson C. Okeoma,
  • Carlos Gartner,
  • Yulica Santos-Ortega,
  • Calvin P. H. Vary,
  • Lakmini S. Premadasa,
  • Alessio Noghero,
  • Jack T. Stapleton,
  • Ionita C. Ghiran and
  • Chioma M. Okeoma
  • + 1 author

22 October 2025

Extracellular particles (EPs), an umbrella term encompassing membrane-enclosed extracellular vesicles (EVs) and non-vesicular extracellular particles ([NVEPs], previously described as extracellular condensates [ECs]) contain a complex cargo of biomol...

  • Article
  • Open Access
10 Citations
4,249 Views
18 Pages

6 April 2020

In many countries, National Forest Inventory (NFI) data is used to assess the variability of forest growth across the country. The identification of areas with similar growths provides the foundation for development of regional models. The objective...

  • Article
  • Open Access
2,286 Views
17 Pages

Supramolecular Switch for the Regulation of Antibacterial Efficacy of Near-Infrared Photosensitizer

  • Yu-Na Jiang,
  • Manqi Tan,
  • Chenglong He,
  • Jiaxi Wang,
  • Yi Wei,
  • Ningning Jing,
  • Bing Wang,
  • Fang Yang,
  • Yujie Zhang and
  • Meng Li

28 February 2024

The global antibiotic resistance crisis has drawn attention to the development of treatment methods less prone to inducing drug resistance, such as antimicrobial photodynamic therapy (aPDT). However, there is an increasing demand for new photosensiti...

  • Article
  • Open Access
5 Citations
6,338 Views
20 Pages

Solvent Effect on the Regulation of Urea Hydrolysis Reactions by Copper Complexes

  • Caio B. Castro,
  • Rafael G. Silveira,
  • Felippe M. Colombari,
  • André Farias de Moura,
  • Otaciro R. Nascimento and
  • Caterina G. C. Marques Netto

2 June 2020

Abiotic allosterism is most commonly observed in hetero-bimetallic supramolecular complexes and less frequently in homo-bimetallic complexes. The use of hemilabile ligands with high synthetic complexity enables the catalytic center by the addition or...

  • Article
  • Open Access
40 Citations
6,290 Views
21 Pages

Plant Polyphenols Inhibit Functional Amyloid and Biofilm Formation in Pseudomonas Strains by Directing Monomers to Off-Pathway Oligomers

  • Zahra Najarzadeh,
  • Hossein Mohammad-Beigi,
  • Jannik Nedergaard Pedersen,
  • Gunna Christiansen,
  • Thorbjørn Vincent Sønderby,
  • Seyed Abbas Shojaosadati,
  • Dina Morshedi,
  • Kristian Strømgaard,
  • Georg Meisl and
  • Daniel E. Otzen
  • + 2 authors

26 October 2019

Self-assembly of proteins to β-sheet rich amyloid fibrils is commonly observed in various neurodegenerative diseases. However, amyloid also occurs in the extracellular matrix of bacterial biofilm, which protects bacteria from environmental stres...

  • Article
  • Open Access
292 Views
39 Pages

Automated Pollen Classification via Subinstance Recognition: A Comprehensive Comparison of Classical and Deep Learning Architectures

  • Karol Struniawski,
  • Aleksandra Machlanska,
  • Agnieszka Marasek-Ciolakowska and
  • Aleksandra Konopka

9 January 2026

Pollen identification is critical for melissopalynology (honey authentication), ecological monitoring, and allergen tracking, yet manual microscopic analysis remains labor-intensive, subjective, and error-prone when multiple grains overlap in realist...

  • Article
  • Open Access
1,007 Views
15 Pages

Novel Delivery of Cyclic-Diguanylate Monophosphate Utilizing Amyloid Depots

  • Maytham Ismail,
  • Benjamin Beluzo,
  • Sergei Chuikov,
  • Venkateshwar G. Keshamouni and
  • Mathumai Kanapathipillai

Background: Recently, cyclic diguanylate monophosphate (c-di-GMP) drug delivery has garnered interest due to its potential in cancer immune modulation. In this pilot study, we developed a novel c-di-GMP formulation based on peptide amyloids. The amyl...