Pruebas
Mast Cell to Total Cell Ratio Measurement
The determination of the ratio of the mast cells compared to total cells present in a sample. The measurement may be expressed as a ratio or percentage.
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Pruebas
The determination of the ratio of the mast cells compared to total cells present in a sample. The measurement may be expressed as a ratio or percentage.
Pruebas
The determination of cellular CD117 expression in a biological specimen.
Indicadores
An immunoglobulin isotype (subclass). This isotype has the unique ability to bind with high affinity to IgE receptors (FceRI) on mast cells and basophils and induce degranulation and cytokine production by these cells when they are crosslinked by antigen. In addition to a central role in atopy and allergic responses, it has been speculated that IgE-mediated mast cell degranulation, by its release of mediators that increase vascular permeability, has an important role in the initiation of immune response in general.
Indicadores
Interleukin-4 (153 aa, ~17 kDa) is encoded by the human IL4 gene. This protein is involved in the regulation of the expression of class II MHC molecules, Fc receptors and cell surface-bound immunoglobulins.
Indicadores
This gene plays a role in cellular hematopoiesis and differentiations. Mutations in the gene are associated with several diseases, including acute myelogenous leukemia, gastrointestinal tumors, and mast cell disease.
Pruebas
The determination of the amount of mast cells present in a sample.