Abstract:
:To determine the potential roles of c-jun in lymphocyte development, we generated somatic chimeric mice by injecting homozygous c-jun mutant embryonic stem (ES) cells into blastocysts from recombination activating gene-2 (RAG-2)-deficient mice. Chimeric mice had poor restoration of thymocytes, but contained substantial numbers of mature T and B lymphocytes in the periphery. Stimulation of c-jun-/- B cells resulted in normal levels of proliferation and immunoglobulin secretion. Likewise, stimulation of c-jun-/- T cells resulted in essentially normal levels of IL-2R alpha expression, IL-2 secretion, and proliferation. We further showed that the relatively normal activation responses of the c-jun-/- T cells probably results from the fact that other members of the Jun family contribute to the bulk of the activator protein-1 (AP-1) complexes in normal T cells and, as a result, AP-1 complexes are found at relatively normal levels in c-jun-/- T cells.
journal_name
Immunityjournal_title
Immunityauthors
Chen J,Stewart V,Spyrou G,Hilberg F,Wagner EF,Alt FWdoi
10.1016/1074-7613(94)90010-8subject
Has Abstractpub_date
1994-04-01 00:00:00pages
65-72issue
1eissn
1074-7613issn
1097-4180pii
1074-7613(94)90010-8journal_volume
1pub_type
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