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Conditional gene knockout is a technique used to eliminate a specific gene in a certain tissue, such as the liver. [ 1 ][ 2 ] This technique is useful to study the role of individual genes in living organisms. It differs from traditional gene knockout because it targets specific genes at specific times rather than being deleted from beginning ...
Cre-Lox recombination is a site-specific recombinase technology, used to carry out deletions, insertions, translocations and inversions at specific sites in the DNA of cells. It allows the DNA modification to be targeted to a specific cell type or be triggered by a specific external stimulus. It is implemented both in eukaryotic and prokaryotic ...
CREB-binding protein, also known as CREBBP or CBP or KAT3A, (where CREB is cAMP response element-binding protein) is a coactivator encoded by the CREBBP gene in humans, located on chromosome 16p13.3. [ 5 ][ 6 ] CBP has intrinsic acetyltransferase functions; it is able to add acetyl groups to both transcription factors as well as histone lysines ...
Cre recombinase is a tyrosine recombinase enzyme derived from the P1 bacteriophage. The enzyme uses a topoisomerase I -like mechanism to carry out site specific recombination events. The enzyme (38 kDa) is a member of the integrase family of site specific recombinase and it is known to catalyse the site specific recombination event between two ...
The term "floxing" is a portmanteau constructed from the phrase "flanking/flanked by LoxP". The floxing method is essential in the development of scientific model systems as it allows researchers to have spatial and temporal alteration of gene expression. [ 2 ] The Cre-Lox system is widely used to manipulate gene expression in model organisms ...
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A conditional gene knockout allows gene deletion in a tissue in a tissue specific manner. This is required in place of a gene knockout if the null mutation would lead to embryonic death, [12] or a specific tissue or cell type is of specific interest. This is done by introducing short sequences called loxP sites around the gene.
The Tet system has advantages over Cre, FRT, and ER (estrogen receptor) conditional gene expression systems. In the Cre and FRT systems, activation or knockout of the gene is irreversible once recombination is accomplished, whereas, in Tet and ER systems, it is reversible.