Liver Macrophages
Liver Macrophages - Related Videos
08:10
A Simple and Efficient Method to Isolate Macrophages from Mixed Primary Cultures of Adult Liver Cells
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Cited by 19 •
2011
A novel method to obtain macrophages from primary culture of rat liver cells is described. This method utilizes the proliferation of macrophages in the culture, followed by shaking of culture flasks and purification by selective attachment to plastic dishes. This technique efficiently provides liver macrophages without complex equipment and skills.
09:32
Drug-Induced Senescence in Liver Cells Promotes M2 Macrophage Polarization: Implications for Tyrosine Kinase Inhibitor-Associated Hepatotoxicity
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2025
Here, we study hepatotoxicity caused by lapatinib and neratinib through SASP-driven macrophage polarization, which offers a deeper mechanistic understanding beyond traditional toxicity tests. This approach demonstrates how senescent hepatocytes influence immune responses. This is particularly valuable for assessing long-term drug effects and discovering new therapeutic targets for managing drug-induced hepatotoxicity.
07:46
Isolation, Characterization, and Purification of Macrophages from Tissues Affected by Obesity-related Inflammation
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Cited by 15 •
2017
This protocol allows a researcher to isolate and characterize tissue-resident macrophages in various hallmark inflamed tissues extracted from diet-induced models of metabolic disorders.
08:50
Depletion and Reconstitution of Macrophages in Mice
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Cited by 118 •
2012
Macrophages play a central role in homeostasis and pathology in many tissues. The protocol presented here describes methods for depleting macrophages in vivo, deriving polarized macrophages from bone marrow aspirates, and adoptively transferring macrophages into mice. These techniques allow determination of the role that polarized macrophages play in health and disease.
12:35
In vivo Liver Endocytosis Followed by Purification of Liver Cells by Liver Perfusion
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Cited by 14 •
2011
The study of liver sinusoidal endothelial cells (SECs) must be performed with primary cells obtained from the animal as no cell lines exist. This method relies on liver digestion and differential centrifugation for SEC purification for subsequent culturing and experimentation.
FAQs
Pattern-recognition receptors allow liver macrophages to detect danger signals associated with pathogens or tissue damage. Their activation can promote phagocytosis and cytokine signaling, linking local detection to broader immune coordination. Studying these receptors helps explain how hepatic macrophages contribute to pathogen clearance while also influencing inflammatory responses that may affect surrounding liver cells.
Kupffer cells are resident populations positioned in liver sinusoids, whereas monocyte-derived macrophages are recruited during injury or infection. This distinction helps researchers examine how established hepatic immune surveillance differs from responses generated during an emerging challenge. Comparing these populations can clarify their separate contributions to inflammation, tissue repair, pathogen handling, and chronic disease.
Functional plasticity allows liver macrophages to adjust their activities as the hepatic environment changes. The same broad macrophage system can participate in pathogen clearance, inflammatory signaling, tissue repair, or processes associated with fibrosis. This flexibility makes macrophages useful for studying how immune responses shift over time and why modifying their behavior may alter hepatic outcomes.
Coordination occurs through phagocytosis and cytokine signaling that connect macrophage activity with neighboring hepatic and immune cells. Interactions with hepatocytes and endothelial cells help place danger detection within the liver environment, while communication with lymphocytes links innate and broader immune responses. This cellular network is relevant to understanding both protective defense and dysregulated inflammation.
These models can connect macrophage sensing and cytokine activity with longer-term hepatic outcomes. By examining responses to injury, infection, or systemic disease, researchers can investigate how temporary inflammation may relate to tissue repair, persistent inflammatory states, or fibrosis. The approach is valuable because it places macrophage behavior within the wider progression of liver immune and tissue changes.
Researchers study them when investigating pathogen clearance, immune tolerance, chronic inflammation, fibrosis, and host responses to systemic disease. The liver provides a setting in which resident and recruited macrophage populations can be considered alongside hepatocytes, endothelial cells, and lymphocytes. Findings may also guide research on therapies designed to modify hepatic immune activity and related outcomes.