Bone Marrow Derived Cultured Mast Cells
Bone Marrow Derived Cultured Mast Cells - Related Videos
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The Preparation of Primary Hematopoietic Cell Cultures From Murine Bone Marrow for Electroporation
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09:07
Analyzing the Functions of Mast Cells In Vivo Using 'Mast Cell Knock-in' Mice
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We describe a method for the generation of in vitro derived mast cells, their engraftment into mast cell-deficient mice, and the analysis of the phenotype, numbers and distribution of engrafted mast cells at different anatomical sites. This protocol can be used to assess the functions of mast cells in vivo.
06:39
Culture of myeloid dendritic cells from bone marrow precursors
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Cited by 22 •
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This video demonstrates the procedure for differentiating myeloid dendritic cells from mouse bone marrow. Isolation of mouse tibia and femur, and processing of bone marrow are demonstrated. Pictures demonstrating cell morphology before and after differentiation, and figures depicting cell phenotype and IL-12 production following maturation using CpG are shown.
FAQs
Interleukin-3 helps guide expanded bone-marrow progenitors toward the mast-cell lineage during culture, making lineage development experimentally controllable. c-Kit and FcεRI then provide complementary evidence that the resulting cells have mast-cell-associated features and can participate in receptor-linked activation studies. This combination connects differentiation conditions with functional readiness.
IgE-dependent antigen cross-linking acts as an activation trigger. When antigen cross-links IgE-associated receptors, the cells can undergo degranulation and release mediators, including histamine, cytokines, and lipid mediators. Separating these outputs allows investigators to examine rapid secretory responses alongside later inflammatory signaling in a defined experimental setting.
Assessing c-Kit and FcεRI helps characterize the cultured cells before interpreting activation experiments. These markers provide evidence relevant to mast-cell identity and to the receptor-linked pathway used for IgE-dependent stimulation. Confirming their presence strengthens the connection between the cultured cell population and observed degranulation or mediator-release responses.
Their laboratory culture provides a renewable cell source in which investigators can examine responses under controlled conditions. Researchers can compare mediator outputs such as histamine, cytokines, and lipid mediators without relying only on variable primary samples. This makes the system useful for dissecting how mast cells contribute to allergy, inflammation, and infection-related immune responses.
The workflow begins by expanding progenitor cells from bone marrow, followed by growth-factor-guided differentiation toward the mast-cell lineage. The cultured population is then assessed using markers such as c-Kit and FcεRI. For functional testing, IgE-dependent antigen cross-linking can be applied, after which degranulation and mediator release are evaluated.
This model is useful when a study requires controlled examination of mast-cell behavior in allergy, inflammation, or infection. It can reveal how activation changes histamine, cytokine, or lipid mediator responses. The same system also supports evaluation of immune-modulating compounds, allowing investigators to study whether those compounds alter mast-cell-associated responses.
Mast cells can be studied in the context of host defense because their activation produces mediators that shape immune and inflammatory responses. Using cultured cells, investigators can examine these responses under defined conditions and relate them to infection-focused questions. The model therefore connects mast-cell signaling with broader studies of immune regulation during infection.