Download e-book for iPad: Activation-Induced Deaminase: On the Targeting Mechanism of by Andrew Franklin

By Andrew Franklin

During the process the immune reaction, antigen-activated B cells produce antibodies with elevated affinity for the antigen, a approach known as affinity maturation. a bunch produces antibodies with successively higher affinities with repeated publicity to a similar antigen, that is the primary through which such a lot vaccines work.
Affinity maturation will depend on hypermutation, an iterative technique of mutation at antibody-encoding genes, by means of confident choice of B cells expressing antibodies with elevated affinity. The mechanism of hypermutation is taken into account to be one of many final nice mysteries in molecular biology. Mutation may end up in genomic instability, so how are mutations selectively brought to antibody-encoding genes in activated B cells?
A significant leap forward got here in 2000 with the invention that activation-induced deaminase (AID) is basically required for hypermutation. This used to be in 2002 via facts that reduction at once edits the DNA that encodes an antibody in an activated B cellphone. a lot has because been learnt in regards to the biochemistry and rules of reduction, however the mechanism during which it really is recruited particularly to antibody-encoding genes is still enigmatic. knowing this recruitment is clinically major simply because off-target reduction job at oncogenes may end up in chromosomal translocations and tumorigenesis.
This publication summarizes the study on reduction within the context of its important position within the affinity maturation of B cells.

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Activation-Induced Deaminase: On the Targeting Mechanism of AID to the Immunoglobulin Loci by Andrew Franklin


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