PMID: 6969475Jan 1, 1980Paper

Lupus-like syndrome in some strains of nude mice

Thymus
J C MonierD Rigal

Abstract

Nude mice (strains ORL, C57BL, BALB/C), as well as neonatally thymectomized mice, develop spontaneous antinuclear antibodies (ANab) and antidouble-stranded DNA antibodies (dsDNAab). Later, these animals develop a lupus-like syndrome in which immunoglobulin (Ig) deposits appear, first in the kidney glomeruli, then at the dermoepidermal junction and in the choroid plexus. In the beginning, these Ig are IgM and IgG2; later, IgG1 and IgA deposit in the kidneys. The classes of the Ig of the deposits correspond to those of the circulating ANab-Ig, except for IgA. Acid eluates from kidneys and skin, contain anti-DNA histone ab. An increased C1q binding activity is observed in 8- to 12-wk-old ORL nude mice with ANab, but is not observed in age-matched ORL nude mice without ANab. These data indicate the participation of ANab in the constitution of immune complexes and of tissular Ig deposits in nude mice. The antinuclear autoimmunization process, in nude as well as in thymectomized mice, might be interpreted as a defect of T suppressor cells, which normally control autoimmune clones. However, in contrast with the preceding strains of nude mice, nude mice from the IFFA centre, which have a different genetic background, develop neither AN...Continue Reading

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