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Construction of Large Nave Fab Libraries

 Last Update: 2021-02-20
 Source: Internet
 Author: User

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In recent years, a number of single-pot antibody (Ab) libraries have been described, which permit the rapid isolation of high-affinity Abs against large panels of antigens (Ags). Na�ve libraries have been generated by tapping the natural primary (unselected) immune repertoire via cloning of Abs that recognize a variety of Ags (
1
,
2
). The rearranged V genes were amplified with the polymerase chain reaction (
PCR
) from B-cell mRNAs encoding immunoglobulin M (IgM) taken from nonimmunized donors. By using this procedure, Abs were recovered prior to encounter with Ag and unscreened for tolerance by the immune system. Indeed, a na�ve library represents a good source of Abs against self, nonimmunogenic, and toxic Ags if the library is sufficiently large and diverse.

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