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Hammad, S.* ; Ogris, C. ; Othman, A.* ; Erdoesi, P.* ; Schmidt-Heck, W.* ; Biermayer, I.* ; Helm, B.* ; Gao, Y.* ; Piorońska, W.* ; Holland, C.H.* ; D'Alessandro, L.A.* ; De La Torre, C.* ; Sticht, C.* ; Al Aoua, S.* ; Theis, F.J. ; Bantel, H.* ; Ebert, M.P.* ; Klingmüller, U.* ; Hengstler, J.G.* ; Dooley, S.* ; Müller, N.S.

Tolerance of repeated toxic injuries of murine livers is associated with steatosis and inflammation.

Cell Death Dis. 14:414 (2023)
Verlagsversion DOI PMC
Open Access Gold
Creative Commons Lizenzvertrag
The human liver has a remarkable capacity to regenerate and thus compensate over decades for fibrosis caused by toxic chemicals, drugs, alcohol, or malnutrition. To date, no protective mechanisms have been identified that help the liver tolerate these repeated injuries. In this study, we revealed dysregulation of lipid metabolism and mild inflammation as protective mechanisms by studying longitudinal multi-omic measurements of liver fibrosis induced by repeated CCl4 injections in mice (n = 45). Based on comprehensive proteomics, transcriptomics, blood- and tissue-level profiling, we uncovered three phases of early disease development-initiation, progression, and tolerance. Using novel multi-omic network analysis, we identified multi-level mechanisms that are significantly dysregulated in the injury-tolerant response. Public data analysis shows that these profiles are altered in human liver diseases, including fibrosis and early cirrhosis stages. Our findings mark the beginning of the tolerance phase as the critical switching point in liver response to repetitive toxic doses. After fostering extracellular matrix accumulation as an acute response, we observe a deposition of tiny lipid droplets in hepatocytes only in the Tolerant phase. Our comprehensive study shows that lipid metabolism and mild inflammation may serve as biomarkers and are putative functional requirements to resist further disease progression.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Hepatic Stellate Cells; Hepatocellular-carcinoma; Mouse Model; Fibrosis; Regression; Identification; Hepatocytes; Mechanisms; Expression; Phenotype
Sprache englisch
Veröffentlichungsjahr 2023
HGF-Berichtsjahr 2023
ISSN (print) / ISBN 2041-4889
e-ISSN 2041-4889
Zeitschrift Cell Death & Disease
Quellenangaben Band: 14, Heft: 7, Seiten: , Artikelnummer: 414 Supplement: ,
Verlag Nature Publishing Group
Verlagsort Campus, 4 Crinan St, London, N1 9xw, England
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Computational Biology (ICB)
POF Topic(s) 30205 - Bioengineering and Digital Health
Forschungsfeld(er) Enabling and Novel Technologies
PSP-Element(e) G-503800-001
Förderungen Projekt DEAL
Project TRY-IBD Grant
Stiftung fur Biomedizinische Alkoholforschung
LiSyM-Cancer
BMBF (German Federal Ministry of Education and Research) Project LiSyM
DOI 10.1038/s41419-023-05855-4
WOS ID 001029237100002
Scopus ID 85164542757
PubMed ID 37438332
Erfassungsdatum 2023-10-06
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