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The CD nomenclature was proposed and established in the 1st International Workshop and Conference on Human Leukocyte Differentiation Antigens (HLDA), held in Paris in 1982. [4] [5] This system was intended for the classification of the many monoclonal antibodies (mAbs) generated by different laboratories around the world against epitopes on the surface molecules of leukocytes (white blood cells).
CD22 functions as an inhibitory receptor for B cell receptor (BCR) signalling. Like CD19, CD22 is a cell surface marker for lymphocytes that is present on most B cell malignancies, including acute lymphoblastic leukemia and various subtypes of non-Hodgkin lymphoma, including diffuse large B-cell lymphoma. CD22 expression has been shown to be ...
DNA digital data storage is the process of encoding and decoding binary data to and from synthesized strands of DNA. [ 1 ] [ 2 ] While DNA as a storage medium has enormous potential because of its high storage density, its practical use is currently severely limited because of its high cost and very slow read and write times.
CD1 (cluster of differentiation 1) is a family of glycoproteins expressed on the surface of various human antigen-presenting cells.CD1 glycoproteins are structurally related to the class I MHC molecules, however, in contrast to MHC class 1 proteins, they present lipids, glycolipids and small molecules antigens, from both endogenous and pathogenic proteins, to T cells and activate an immune ...
CD4 interacts with the β 2-domain of MHC class II molecules through its D 1 domain. T cells displaying CD4 molecules (and not CD8) on their surface, therefore, are specific for antigens presented by MHC II and not by MHC class I (they are MHC class II-restricted). MHC class I contains Beta-2 microglobulin. [citation needed]
A cDNA library is a combination of cloned cDNA (complementary DNA) fragments inserted into a collection of host cells, which constitute some portion of the transcriptome of the organism and are stored as a "library". cDNA is produced from fully transcribed mRNA found in the nucleus and therefore contains only the expressed genes of an organism.
Complement receptor 2 interacts with CD19, [7] [8] and, on mature B cells, forms a complex with CD81 (TAPA-1). The CR2-CD19-CD81 complex is often called the B cell co-receptor complex, [9] because CR2 binds to opsonized antigens through attached C3d (or iC3b or C3dg) when the B-cell receptor binds antigen.
Data storage is the recording (storing) of information in a storage medium. Handwriting, phonographic recording, magnetic tape, and optical discs are all examples of storage media. Biological molecules such as RNA and DNA are considered by some as data storage. [1] [2] Recording may be accomplished with virtually any form of energy. Electronic ...