Hepatocytes reprogram liver macrophages involving control of TGF-β activation, influencing liver regeneration and injury.
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Macrophages play an important role in maintaining liver homeostasis and regeneration. Here we investigate how different macrophage populations of the liver differ in terms of their activation state and which other liver cell populations may play a role in regulating the same.
SEEK ID: https://seek.lisym.org/investigations/34
Projects: C-TIP-HCC network, Forschungsnetzwerk LiSyM-Krebs
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Julio Saez Rodriguez
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Created: 2nd Aug 2023 at 08:52
Last updated: 6th May 2024 at 07:40
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Projects: LiSyM Pillar II: Chronic Liver Disease Progression (LiSyM-DP), LiSyM Pillar III: Regeneration and Repair in Acute-on-Chronic Liver Failure (LiSyM-ACLF), LiSyM network, LiSyM-Krebs Partnering, Forschungsnetzwerk LiSyM-Krebs, C-TIP-HCC network
Institutions: Universitätsklinikum Düsseldorf - Klinik für Gastroenterologie, Hepatologie und Infektiologie
Expertise: Liver injury and regeneration, Inflammation, Jak/STAT pathway, Hepatocytes, Imaging and image analysis, non parenchymal cells
Tools: Immunohistochemistry, Isolation and cultivation of mouse hepatocyte, Isolation purification and separation, Molecular Biology, Mouse surgery, Cell and tissue culture, confocal microscopy
Projects: LiSyM Pillar II: Chronic Liver Disease Progression (LiSyM-DP), LiSyM Pillar III: Regeneration and Repair in Acute-on-Chronic Liver Failure (LiSyM-ACLF), LiSyM network, LiSyM-Krebs Partnering, Forschungsnetzwerk LiSyM-Krebs, C-TIP-HCC network, SMART-NAFLD
Institutions: Molecular Hepatology - Dept of Medicine II - Medical Faculty Mannheim - Heidelberg University
Projects: LiSyM-Krebs Partnering, LiSyM network, LiSyM Pillar II: Chronic Liver Disease Progression (LiSyM-DP), LiSyM Pillar III: Regeneration and Repair in Acute-on-Chronic Liver Failure (LiSyM-ACLF), LiSyM Scientific Leadership Team (LiSyM-LT), Forschungsnetzwerk LiSyM-Krebs, SMART-NAFLD, C-TIP-HCC network
Institutions: German Cancer Research Center (DKFZ), Division of Systems Biology of Signal Transduction
Detailed Profile here
LiSyM-Krebs ist ein nationales Forschungsnetz zur Früherkennung und Prävention von Leberkrebs, das unter Verwendung des systemmedizinischen Forschungsansatzes die komplexen, dynamischen Prozesse der Krankheitsprogression analysiert, um ausgehend von den Erkenntnissen aus dem Forschungsnetz LiSyM die Entstehung von Leberkrebs besser zu verstehen, vorherzusagen und im besten Fall sogar zu verhindern. LiSyM-Krebs setzt die erfolgreichen Forschungsaktivitäten der BMBF-Vorgängerprogramme ...
Projects: LiSyM-Krebs Partnering, Forschungsnetzwerk LiSyM-Krebs, SMART-NAFLD, DEEP-HCC network, C-TIP-HCC network
Web page: https://www.lisym-cancer.org
C-TIP-HCC- Mechanism-based Multiscale Model to Dissect the Tipping Point from Liver Cirrhosis to Hepatocellular Carcinoma
The ultimate goal of the C-TIP-HCC is a „mechanistic multiscale model to describe dynamic changes in regenerative nodes across a tipping point (TIP) towards development in patients with cirrhosis to facilitate early monitoring and intervention“ and facilitate intervention“. To achieve this, we will conduct in-depth studies on cirrhotic regenerative nodes.
Programme: LiSyM-Krebs - Systemmedizinisches Forschungsnetz zur Früherkennung und Prävention von Leberkrebs
Public web page: Not specified
Organisms: Homo sapiens, Mus musculus
Forschungsnetzwerk zur Früherkennung und Prävention- LiSyM-Krebs
Ein Netzwerk von Klinikern, Wissenschaftlern und Datenmanagern hat sich zur Aufgabe gemacht, Methoden zu entwickeln, um Patienten mit einem hohen Risiko für ein Leberkarzinom frühzeitig, in Vorstadien der Tumorentwicklung, identifizieren zu können. Gemeinsam bilden sie das „Systemmedizinische Forschungsnetzwerk zur Früherkennung und Prävention von Leberkrebs“, LiSym-Krebs, das vom Bundesministerium für Bildung und Forschung ...
Programme: LiSyM-Krebs - Systemmedizinisches Forschungsnetz zur Früherkennung und Prävention von Leberkrebs
Public web page: Not specified
Organisms: Homo sapiens, Mus musculus, Rattus norvegicus, Rattus rattus
Reverse transcription PCR, flow cytometry, transcriptome, proteome, secretome, single cell analysis, and immunohistochemical methods were used to study changes in gene expression as well as the activation state of macrophages in vitro and in vivo under homeostatic conditions and after partial hepatectomy.
Submitter: Stephanie Wolf
Investigation: Hepatocytes reprogram liver macrophages involvi...
Assays: Hepatocytes induces properties of wound healing type and regulatory macr..., Transcriptomics : RNA Microarray, Transcriptomics: RNA-seq of coding RNA from single cells
Snapshots: No snapshots
The liver comprises the body´s largest pool of macrophages constituting approximately 80 % of all sessile tissue macrophages of the body. After liver damage monocyte-derived macrophages are recruited into the liver and were here affected by a micro milieu which is considerably influenced by hepatocytes. Up to now the complex network that determines the differentiation and function of liver macrophages and the impact of the intercellular communication between macrophages and the other parenchymal ...
Submitter: Stephanie Wolf
Assay type: Shotgun proteomics
Technology type: LTQ Orbitrap Elite
Investigation: Hepatocytes reprogram liver macrophages involvi...
Organisms: Mus musculus
SOPs: SOP: Mice hepatocytes isolation and co-cultivat... and 1 hidden item
Data files: Shotgun proteomics data at PRIDE
Snapshots: No snapshots
We describe a distinct macrophage population, whose presence in the liver during homoeostasis depends on recruitment signals mediated by the chemokine receptor CCR2. The identified polarization state of this population closely resembles that induced in co-culture experiments, where hepatocytes are reducing the availability of TGFb to macrophages. Accordingly, disruption of TGFb signal transduction in macrophages phenocopies the influence of hepatocytes on macrophage polarization.
Submitter: Stephanie Wolf
Assay type: Transcriptomics
Technology type: Technology Type
Investigation: Hepatocytes reprogram liver macrophages involvi...
Organisms: No organisms
SOPs: SOP: Mice hepatocytes isolation and co-cultivat...
Data files: Sequnce data at ENA, The single-cell RNA sequencing data (ArrayExpress)
Snapshots: No snapshots
Transcriptomics: the RNA expression of primary hepatocytes and BMDM (Bone Marrow–Derived acrophages) were analysed in 4 different conditions (mono- vs. co-culture, hepatocytes and macrophages) with 5 replicas each to detect the impact of hepatocytes on macrophages and vice versa.
Submitter: Stephanie Wolf
Assay type: Experimental Assay Type
Technology type: Technology Type
Investigation: Hepatocytes reprogram liver macrophages involvi...
Organisms: No organisms
SOPs: SOP: Mice hepatocytes isolation and co-cultivat...
Data files: GEO data set, The single-cell RNA sequencing data (ArrayExpress)
Snapshots: No snapshots
Data deposited on the European Bioinformatics Insititute (EBI) database under accession number E-MTAB- 11727 (https://www.ebi.ac.uk/arrayexpress/experiments/ E-MTAB-11727)
Hepatocyte-controlled availability of activated TGFb reprograms macrophage polarization affecting liver injury and regeneration.
Samples in SEEK (ArrayExpress-compliant sample type https://seek.lisym.org/sample_types/21)
Creator: Stephanie Wolf
Submitter: Stephanie Wolf
Hepatocytes and macrophages from mono and co-culture were harvested and prepared for mass spectrometric analysis , samples were shortly separated in a polyacrylamide gel, silver-stained, reduced, alkylated and digested with trypsin.
Creators: None
Submitter: Stephanie Wolf
GEO data set
Creators: None
Submitter: Stephanie Wolf
Investigations: Hepatocytes reprogram liver macrophages involvi...
Studies: Study changes in gene expressionand in the acti...
Assays: Transcriptomics : RNA Microarray
Hepatocyte-controlled availability of activated TGFb reprograms macrophage polarization affecting liver injury and regeneration
Creator: Stephanie Wolf
Submitter: Olga Krebs
SOP: Mice hepatocytes isolation and co-cultivation with BMDM
Creator: Stephanie Wolf
Submitter: Stephanie Wolf
Abstract (Expand)
Authors: Stephanie D. Wolf, Christian Ehlting, Sophia Müller-Dott, Gereon Poschmann, Patrick Petzsch, Tobias Lautwein, Sai Wang, Barbara Helm, Marcel Schilling, Julio Saez-Rodriguez, Mihael Vucur, Kai Stühler, Karl Köhrer, Frank Tacke, Steven Dooley, Ursula Klingmüller, Tom Luedde, Johannes G. Bode
Date Published: 2023
Publication Type: Journal
DOI: 10.1097/HC9.0000000000000208
Citation: Hepatology Communications 7(8)