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Article
Metabolic shift induced by systemic activation of T cells in PD-1-deficient mice perturbs brain monoamines and emotional behavior
Fagarasan and colleagues show that excessive activation of T cells in mice deficient in the inhibitory receptor PD-1 causes a systemic decrease in tryptophan and tyrosine, which leads to deficiency in serotoni...
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Article
Separate domains of AID are required for somatic hypermutation and class-switch recombination
Activation-induced cytidine deaminase (AID) is essential for class-switch recombination (CSR) and somatic hypermutation (SHM). Mutants with changes in the C-terminal region of AID retain SHM but lose CSR activ...
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Article
AID mutant analyses indicate requirement for class-switch-specific cofactors
Activation-induced cytidine deaminase (AID) is the essential and sole B cell–specific factor required for class-switch recombination (CSR) and somatic hypermutation (SHM). However, it is not known how AID diff...