Pruebas
HLA DR Beta 2 Histocompatibility Antigen Measurement
The determination of the amount of HLA DR Beta 2 antigen present in a sample.
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Pruebas
The determination of the amount of HLA DR Beta 2 antigen present in a sample.
Pruebas
The determination of the amount of HLA DR Beta 5 antigen present in a sample.
Pruebas
The determination of the number of mismatch between the study subject and his or her donor for the human leukocyte antigen, class I, group A (HLA-A).
Pruebas
The determination of the number of mismatch between the study subject and his or her donor for the human leukocyte antigen, class I, group B (HLA-B).
Pruebas
The determination of the amount of HLA-B27 antigen present in a sample.
Pruebas
The determination of the ratio of the human leukocyte antigen DR (HLA-DR) to leukocytes present in a sample. The measurement may be expressed as a ratio or percentage.
Pruebas
The determination of the ratio of the human leukocyte antigen DR (HLA-DR) to total cells present in a sample. The measurement may be expressed as a ratio or percentage.
Pruebas
The identification of the type of human leukocyte antigen, class II, antigen-D-related 52 (HLA-DR52), in a sample.
Pruebas
The determination of the amount of Human parainfluenza virus 2 antigen in a biological sample.
Pruebas
The determination of the amount of Human rhinovirus A, B and/or C antigen in a biological sample.
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
The most abundant immunoglobulin G (IgG) subclass in the circulation of healthy individuals. The IgG1 core hinge sequence contains 15 amino acids and two interchain disulfide bonds. This subtype has high affinity for binding both Fc receptors and complement component C1q. IgG1 is the predominant antibody subclass that responds to antigens derived from both soluble and membrane proteins. Reduced levels of circulating IgG1 can indicate the presence of a variety of primary and secondary antibody deficiencies, which can result in hypogammaglobulinemia.