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Synthetic antibody : ウィキペディア英語版
Synthetic antibody

Synthetic antibodies are affinity reagents generated entirely in vitro, thus completely eliminating animals from the production process. Synthetic antibodies include recombinant antibodies, nucleic acid aptamers and non-immunoglobulin protein scaffolds. As a consequence of their in vitro manufacturing method the antigen recognition site of synthetic antibodies can be engineered to any desired target and may extend beyond the typical immune repertoire offered by natural antibodies. Synthetic antibodies are being developed for use in research, diagnostic and therapeutic applications. Synthetic antibodies can be used in all applications where traditional monoclonal or polyclonal antibodies are used and offer many inherent advantages over animal-derived antibodies, including comparatively low production costs, reagent reproducibility and increased affinity, specificity and stability across a range of experimental conditions.
==Recombinant Antibodies==
Recombinant antibodies are monoclonal antibodies generated in vitro using synthetic genes. Recombinant antibody technology involves recovering the antibody genes from the source cells, amplifying and cloning the genes into an appropriate vector, introducing the vector into a host, and achieving expression of adequate amounts of functional antibody. Recombinant antibodies can be cloned from any species of antibody-producing animal, if the appropriate oligonucleotide primers or hybridization probes are available. The ability to manipulate the antibody genes makes it possible to generate new antibodies and antibody fragments, such as Fab fragments and scFv in vitro. This can be done at the level of the whole combining site by making new combinations of H and L chains. It can also be done by mutating individual CDRs. Display libraries, commonly expressed in phage or yeast, can be analysed to select for desirable characteristics arising from such changes in antibody sequence.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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