Autoimmune lpr/lpr mice deficient in CD40 ligand: spontaneous Ig class switching with dichotomy of autoantibody responses

Abstract excerpt

Fas-deficient MRL/Mp-lpr/lpr mice develop a syndrome that resembles human systemic lupus erythematosus, including production of IgG autoantibodies against small nuclear ribonucleoproteins (snRNPs), dsDNA, and self IgG (rheumatoid factor). To investigate the necessity for T-B cell contact in MRL autoimmunity, mice deficient in CD40 ligand (CD40L) were backcrossed onto this background, and Ab synthesis was...

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