Bone Marrow Macrophages
Bone Marrow Macrophages - Related Videos
07:06
Bone Marrow-derived Macrophage Production
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Cited by 205 •
2013
Macrophages have long been recognized as a critical component of the innate and adaptive immune responses. The recent explosion of knowledge pertaining to evolutionary, genetic, and biochemical aspects of the interaction between macrophages and microbes has renewed scientific attention to macrophages. This article describes a method to differentiate macrophages from mouse bone marrow.
10:07
Investigation of Macrophage Polarization Using Bone Marrow Derived Macrophages
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Cited by 326 •
2013
The article describes a readily easy adaptive in vitro model to investigate macrophage polarization. In the presence of GM-CSF/M-CSF, hematopoietic stem/progenitor cells from the bone marrow are directed into monocytic differentiation, followed by M1 or M2 stimulation. The activation status can be tracked by changes in cell surface antigens, gene expression and cell signaling pathways.
06:51
Activation of Mouse Bone Marrow-Derived Macrophages in Response to Antibodies
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2025
In this video, we demonstrate the activation of bone marrow-derived macrophages in response to bacterial lipopolysaccharide and intravenous immunoglobulin.
11:05
Generation and Identification of GM-CSF Derived Alveolar-like Macrophages and Dendritic Cells From Mouse Bone Marrow
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Cited by 18 •
2016
Bone marrow cells cultured with granulocyte macrophage colony stimulating factor (GM-CSF) generate a heterogeneous culture containing macrophages and dendritic cells (DCs). This method highlights using MHCII and hyaluronan (HA) binding to differentiate macrophages from the DCs in the GM-CSF culture. Macrophages in this culture have many similarities to alveolar macrophages.
09:56
Toxoplasma gondii Cyst Wall Formation in Activated Bone Marrow-derived Macrophages and Bradyzoite Conditions
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Cited by 27 •
2010
Toxoplasma gondii converts to a cyst form in response to environmental stresses, which can be mimicked in tissue culture models. This video demonstrates techniques to examine cyst wall formation by activating bone marrow-derived macrophages or changing growth medium pH in fibroblast cells.
FAQs
They use pattern-recognition receptors to detect microbial signals and other signs of tissue disturbance. This recognition can trigger phagocytosis, lysosomal degradation, and cytokine secretion, allowing the cells to respond locally rather than simply remove material. In infection studies, these activities help connect microbial detection with changes in the surrounding marrow immune environment.
Erythroblastic islands show how macrophage activity directly intersects with red-cell development. Within these structures, macrophages support developing erythroid cells while also removing aged or defective cells. This arrangement makes them a useful context for examining how immune activity and hematopoiesis influence one another, especially when infection or tissue damage alters the marrow environment.
Lysosomal degradation allows bone marrow macrophages to process engulfed cellular material, while iron recycling links this clearance activity to blood-cell production. Together, these functions help connect removal of damaged or aged cells with maintenance of resources in the marrow. Disruption during infection could therefore affect both local immune conditions and the production of blood cells.
Cytokine secretion provides a signaling route through which macrophages influence nearby cells after recognizing microbial material or tissue damage. These signals can shape local immunity and may also affect hematopoiesis, the production of blood cells. Studying this communication helps explain why an infection can produce consequences beyond pathogen recognition, including altered blood-cell production in the marrow.
A study can examine their recognition of microbial signals, engulfment of targets, lysosomal processing, iron recycling, and cytokine release, then relate those activities to blood-cell production. The marrow setting is especially informative because immune responses occur alongside erythroid development. This approach helps identify connections between infection-associated macrophage activity and changes in hematopoiesis.
The marrow niche brings immune cells, developing blood cells, and local signaling processes into close relationship. Examining macrophage interactions in this environment can help researchers investigate how pathogens persist in marrow-associated sites and how that persistence may influence local immunity. It also provides context for understanding infection-related changes in blood-cell production rather than studying immunity in isolation.