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Petruzzelli, R.* ; Catalano, F.* ; Crispino, R.* ; Polishchuk, E.V.* ; Elia, M.* ; Masone, A.* ; Lavigna, G.* ; Grasso, A.* ; Battipaglia, M.* ; Sepe, L.V.* ; Akdogan, B. ; Reinold, Q.* ; Del Prete, E.* ; Carrella, D.* ; Torella, A.* ; Nigro, V.* ; Caruso, E.* ; Innocenti, N.* ; Biasini, E.* ; Puchkova, L.V.* ; Indrieri, A.* ; Ilyechova, E.Y.* ; Piccolo, P.* ; Zischka, H. ; Chiesa, R.* ; Polishchuk, R.S.*

Prion protein promotes copper toxicity in Wilson disease.

Nat. Commun. 16:1468 (2025)
Verlagsversion Forschungsdaten DOI PMC
Open Access Gold
Creative Commons Lizenzvertrag
Copper (Cu) is a vitally important micronutrient, whose balance between essential and toxic levels requires a tightly regulated network of proteins. Dysfunction in key components of this network leads to the disruption of Cu homeostasis, resulting in fatal disorders such as Wilson disease, which is caused by mutations in the hepatic Cu efflux transporter ATP7B. Unfortunately, the molecular targets for normalizing Cu homeostasis in Wilson disease remain poorly understood. Here, using genome-wide screening, we identified the cellular prion protein (PrP) as an important mediator of Cu toxicity in WD. Loss of ATP7B stimulates hepatic expression of PrP, which promotes endocytic Cu uptake, leading to toxic Cu overload. Suppression of PrP significantly reduces Cu toxicity in cell and animal models of Wilson disease. These findings highlight the critical regulatory role of PrP in copper metabolism and open new avenues for exploring the therapeutic potential of PrP suppression in Wilson disease.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Gene-expression; Differential Expression; Endocytosis; Accumulation; Codon-129; Prp
Sprache englisch
Veröffentlichungsjahr 2025
HGF-Berichtsjahr 2025
ISSN (print) / ISBN 2041-1723
e-ISSN 2041-1723
Zeitschrift Nature Communications
Quellenangaben Band: 16, Heft: 1, Seiten: , Artikelnummer: 1468 Supplement: ,
Verlag Nature Publishing Group
Verlagsort London
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Molecular Toxicology and Pharmacology (TOX)
POF Topic(s) 30203 - Molecular Targets and Therapies
Forschungsfeld(er) Enabling and Novel Technologies
PSP-Element(e) G-505200-003
Förderungen Russian Science Foundation
Telethon Italy
European Joint Project - Rare Diseases
Italian Ministry of Health
AIRC, Italy
Italian National Wilson Disease Organization
CNR/RFBR (Russian Foundation for Basic Research) Collaboration Program, Italy
Ministry of University and Research (MUR), National Recovery and Resilience Plan (NRRP)
DOI 10.1038/s41467-025-56740-x
WOS ID 001416643300009
Scopus ID 85218246345
PubMed ID 39922819
Erfassungsdatum 2025-04-04
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