RGD Reference Report - Activation and differentiation of autoreactive B-1 cells by interleukin 10 induce autoimmune hemolytic anemia in Fas-deficient antierythrocyte immunoglobulin transgenic mice. - Rat Genome Database

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Activation and differentiation of autoreactive B-1 cells by interleukin 10 induce autoimmune hemolytic anemia in Fas-deficient antierythrocyte immunoglobulin transgenic mice.

Authors: Watanabe, N  Ikuta, K  Nisitani, S  Chiba, T  Honjo, T 
Citation: Watanabe N, etal., J Exp Med. 2002 Jul 1;196(1):141-6.
RGD ID: 11049457
Pubmed: PMID:12093879   (View Abstract at PubMed)
PMCID: PMC2194013   (View Article at PubMed Central)

The Fas (CD95) gene is among critical genetic factors in some autoimmune diseases, which are characterized by autoantibody (autoAb) productions. In mice, mutations in the Fas gene cause lymphoproliferation (lpr) which predominantly develops glomerulonephritis, whereas the mutations in human cause autoimmune lymphoproliferative syndrome (ALPS) characterized by autoimmune hemolytic anemia (AIHA) and thrombocytopenia. Although the mechanism of antinuclear Ab in Fas-deficient background has been well characterized, that of antierythrocyte Ab production in ALPS has been still unclear. To investigate this mechanism, we developed a mouse line by crossing the antierythrocyte antibody transgenic mice (H+L6 mice) and Fas-deficient mice. Although Fas deficiency did not break tolerance of autoreactive B-2 cells in H+L6 mice, autoreactive B-1 cells in Fas-deficient H+L6 homozygous mice became activated and differentiated into autoAb-producing cells in mesenteric lymph nodes and lamina propria of intestine, resulting in severe anemia. In addition, serum levels of interleukin (IL)-10 significantly increased in Fas-/- x H+L6 homozygous mice and administration of anti-IL-10 Ab prevented exacerbation of autoAb production and AIHA. These results suggest that activation of B-1 cells is responsible for induction of AIHA in Fas-deficient condition and that IL-10 plays a critical role in terminal differentiation of B-1 cells in these mice.

RGD Manual Disease Annotations    Click to see Annotation Detail View
TermQualifierEvidenceWithReferenceNotesSourceOriginal Reference(s)
autoimmune hemolytic anemia treatmentISOIl10 (Mus musculus)11049457; 11049457 RGD 
autoimmune hemolytic anemia treatmentIMP 11049457 RGD 

Objects Annotated

Genes (Rattus norvegicus)
Il10  (interleukin 10)

Genes (Mus musculus)
Il10  (interleukin 10)

Genes (Homo sapiens)
IL10  (interleukin 10)


Additional Information