Dissecting the copper bioinorganic chemistry of the functional and pathological roles of the prion protein: Relevance in Alzheimer's disease and cancer

Y Posadas, VE López-Guerrero, J Segovia… - Current opinion in …, 2022 - Elsevier
The cellular prion protein (PrP C) is a metal-binding biomolecule that can interact with
different protein partners involved in pivotal physiological processes, such as neurogenesis …

Copper as a collaborative partner of zinc-induced neurotoxicity in the pathogenesis of vascular dementia

M Kawahara, K Tanaka, M Kato-Negishi - International Journal of …, 2021 - mdpi.com
Copper is an essential trace element and possesses critical roles in various brain functions.
A considerable amount of copper accumulates in the synapse and is secreted in neuronal …

Bacteriophage-encoded chaperonins stimulate prion protein fibrillation in an ATP-dependent manner

EV Leisi, AV Moiseenko, SS Kudryavtseva… - … et Biophysica Acta (BBA …, 2024 - Elsevier
The pathogenesis of the various prion diseases is based on the conformational conversion
of the prion protein from its physiological cellular form to the insoluble scrapie isoform …

A Copper-Binding Peptide with Therapeutic Potential against Alzheimer′ s Disease: From the Blood–Brain Barrier to Metal Competition

VE López-Guerrero, Y Posadas… - ACS Chemical …, 2024 - ACS Publications
Alzheimer's disease (AD) is the most common form of dementia worldwide. AD brains are
characterized by the accumulation of amyloid-β peptides (Aβ) that bind Cu2+ and have been …

Water‐Soluble Melanin–Protein–Fe/Cu Conjugates Derived from Norepinephrine as Reliable Models for Neuromelanin of Human Brain Locus Coeruleus

A Capucciati, E Monzani, M Sturini… - Angewandte Chemie …, 2022 - Wiley Online Library
Water‐soluble melanin‐protein‐Fe/Cu conjugates derived from norepinephrine and fibrillar
β‐lactoglobulin are reliable models for neuromelanin (NM) of human brain locus coeruleus …

Amyloid-beta–copper interaction studied by simultaneous nitrogen K and copper L2, 3-edge soft X-ray absorption spectroscopy

J Luo, H Wang, J Wu, V Romankov, N Daffé, J Dreiser - IScience, 2021 - cell.com
We study the interaction between amyloid β (Aβ) peptides and Cu and Zn metal ions by
using soft X-ray absorption spectroscopy. The spectral features of the peptides and Cu are …

Structural and electronic analysis of the octarepeat region of prion protein with four Cu 2+ by polarizable MD and QM/MM simulations

J Nochebuena, L Quintanar, A Vela… - Physical Chemistry …, 2021 - pubs.rsc.org
Prions have been linked to neurodegenerative diseases that affect various species of
mammals including humans. The prion protein, located mainly in neurons, is believed to …

Identifying the Copper Coordination Environment Between Interacting Neurodegenerative Proteins: A New Approach Using Pulsed EPR with 14N/15N Isotopic …

A Smart, K Singewald, Z Hasanbasri, RD Britt… - bioRxiv, 2024 - biorxiv.org
The trafficking and aggregation of neurodegenerative proteins often involves the interaction
between intrinsically disordered domains, stabilized by the inclusion of physiologic metal …

Reversible Stereoisomer‐Specific Cotton Effect of the Ligand Field Transitions at a Copper (II) Binding Site of the Prion Protein

L Rivillas‐Acevedo, R Grande‐Aztatzi… - European Journal of …, 2022 - Wiley Online Library
The prion protein (PrP) is a metal binding protein that plays multifunctional roles in the brain
and it is associated with spongiform encephalopathy disorders, a group of …

Enhancing Metal Ion Scavenger Delivery Using Porous Materials

Y Ibrahim - 2022 - repository.tcu.edu
It is estimated that 50 million individuals worldwide live with Alzheimer's disease (AD), a
neurodegenerative progressive disorder that, along with other chronic dementias, cost the …