Abstract:
:The function of mast cells in allergic and organ-specific autoimmune responses is highly controversial. In the current study, we aimed to dissect the role of mast cells in systemic autoimmunity in the B6(lpr/lpr) mouse, a spontaneous model of systemic lupus erythematosus. B6(lpr/lpr) mice were interbred with C57Bl/6-Kit(W-sh/W-sh) (Wsh) mice, resulting in mast cell deficiency. The offspring from this cross (Lpr/Wsh mice) developed symptoms of lupus of the same severity as B6(lpr/lpr) mice. Loss of mast cells on the Lpr background did not alter autoantibody production, proteinuria, the composition of T and B cell populations or autoimmune pathology. Reduced c-Kit expression did drive expanded splenomegaly and impeded interleukin-4 production by CD4(+) cells, suggesting minor functions for mast cells. In general, we conclude that mast cell deficiency and c-Kit deficiency do not play a role in the pathogenesis of lupus in B6(lpr/lpr) mice.
journal_name
Immunol Cell Bioljournal_title
Immunology and cell biologyauthors
van Nieuwenhuijze AE,Cauwe B,Klatt D,Humblet-Baron S,Liston Adoi
10.1038/icb.2015.49subject
Has Abstractpub_date
2015-11-01 00:00:00pages
841-8issue
10eissn
0818-9641issn
1440-1711pii
icb201549journal_volume
93pub_type
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