Human CD19 and CD40L deficiencies impair antibody selection and differentially affect somatic hypermutation.

Individuals with genetic defects in CD40 ligand (CD40L) or B-cell antigen receptor coreceptor molecules CD19 and CD81 suffer from an antibody deficiency. Still, these patients carry low levels of memory B cells and serum antibodies.

Rôle de la molécule CD81 dans le fonctionnement des lymphocytes B chez l'homme.

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