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The CD system is commonly used as cell markers in immunophenotyping, allowing cells to be defined based on what molecules are present on their surface. These markers are often used to associate cells with certain immune functions. While using one CD molecule to define populations is uncommon (though a few examples exist), combining markers has ...
Each cell membrane can have several kinds of membrane receptors, with varying surface distributions. A single receptor may also be differently distributed at different membrane positions, depending on the sort of membrane and cellular function. Receptors are often clustered on the membrane surface, rather than evenly distributed. [5] [6]
CD38 was first identified in 1980 as a surface marker (cluster of differentiation) of thymus cell lymphocytes.[10] [11] In 1992 it was additionally described as a surface marker on B cells, monocytes, and natural killer cells (NK cells). [10]
Lineage markers include mitochondrial DNA and Y-chromosome short tandem repeat haplotypes that are transferred directly from generation to generation either from mother to child in the case of mtDNA, or from father to son in the case of the Y-chromosome. X-chromosome markers are another tool that can be used for genetic identity testing ...
This glossary of cellular and molecular biology is a list of definitions of terms and concepts commonly used in the study of cell biology, molecular biology, and related disciplines, including molecular genetics, biochemistry, and microbiology. [1] It is split across two articles:
In medicine, a biomarker is a measurable indicator of the severity or presence of some disease state. It may be defined as a "cellular, biochemical or molecular alteration in cells, tissues or fluids that can be measured and evaluated to indicate normal biological processes, pathogenic processes, or pharmacological responses to a therapeutic intervention."
Cluster of differentiation (CD) molecules are markers on the cell surface, as recognized by specific sets of antibodies, used to identify the cell type, stage of differentiation and activity of a cell. KIT is an important cell surface marker used to identify certain types of hematopoietic (blood) progenitors in the bone marrow. To be specific ...
Like many cell surface receptors/markers, CD4 is a member of the immunoglobulin superfamily. It has four immunoglobulin domains (D 1 to D 4) that are exposed on the extracellular surface of the cell: D 1 and D 3 resemble immunoglobulin variable (IgV) domains. D 2 and D 4 resemble immunoglobulin constant (IgC) domains.