Intrabody (protein)

（重定向自Intrabodies）

In molecular biology, an intrabody (from intracellular and antibody) is an antibody that works within the cell to bind to an intracellular protein. Due to the lack of a reliable mechanism for bringing antibodies into the cell from the extracellular environment, this typically requires the expression of the antibody within the target cell, which can be accomplished by gene therapy. As a result, intrabodies are defined as antibodies that have been modified for intracellular localization, and the term has rapidly come to be used even when antibodies are produced in prokaryotes or other non-target cells. This term can apply to several types of protein targeting: the antibody may remain in the cytoplasm, or it may have a nuclear localization signal, or it may undergo cotranslational translocation across the membrane into the lumen of the endoplasmic reticulum, provided that it is retained in that compartment through a KDEL sequence.

单词	Intrabodies
释义	Intrabodies 英语百科 Intrabody (protein) （重定向自Intrabodies） In molecular biology, an intrabody (from intracellular and antibody) is an antibody that works within the cell to bind to an intracellular protein. Due to the lack of a reliable mechanism for bringing antibodies into the cell from the extracellular environment, this typically requires the expression of the antibody within the target cell, which can be accomplished by gene therapy. As a result, intrabodies are defined as antibodies that have been modified for intracellular localization, and the term has rapidly come to be used even when antibodies are produced in prokaryotes or other non-target cells. This term can apply to several types of protein targeting: the antibody may remain in the cytoplasm, or it may have a nuclear localization signal, or it may undergo cotranslational translocation across the membrane into the lumen of the endoplasmic reticulum, provided that it is retained in that compartment through a KDEL sequence.
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