X-Linked Hyper IgM Syndrome (Defect in lymphocyte activation/fx) Flashcards
1
Q
Genetic cause of X-Linked HyperIgM Syndrome?
A
Mutations in CD40L
2
Q
What is the antibody-related result of mutations in the CD40L?
A
Class-switching. even if MHCII + Peptide and TCR is present, the CD40L isn’t promoting class-switching