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B cells are important in the development of autoimmune disorders by mechanisms involving dysregulated polyclonal B-cell activation, production of pathogenic antibodies, and co-stimulation of autoreactive T cells. zTNF4 (BLyS, BAFF, TALL-1, THANK) is a member of the tumour necrosis factor (TNF) ligand family that is a potent co-activator of B cells in vitro(More)
BLyS and APRIL have similar but distinct biological roles, mediated through two known TNF receptor family members, TACI and BCMA. We show that mice treated with TACI-Ig and TACI-Ig transgenic mice have fewer transitional T2 and mature B cells and reduced levels of circulating immunoglobulin. TACI-Ig treatment inhibits both the production of(More)
Lymphocyte-specific interferon regulatory factor (LSIRF) (now called IRF4) is a transcription factor expressed only in lymphocytes. Mice deficient in IRF4 showed normal distribution of B and T lymphocyes at 4 to 5 weeks of age but developed progressive generalized lymphadenopathy. IRF4-deficient mice exhibited a profound reduction in serum immunoglobulin(More)
Does dehydroepiandrosterone act as an adrenal hormone in humans to maintain cortisol homeostasis by serving as a cortisol antagonist? If so, dehydroepiandrosterone might block the development of the diverse pathological processes potentiated by prolonged cortisol hyperactivity. And the plasma concentrations of total dehydroepiandrosterone and total(More)
BACKGROUND Left ventricular assist device (LVAD) implantation has become an effective treatment option for patients with severe heart failure awaiting transplantation. Significant infection rates have been reported among LVAD recipients. However, few reports have focused specifically on device infection, its treatment, and the impact of LVAD-related(More)
Interferon regulatory factor (IRF) genes encode a family of DNA-binding proteins that are involved in the transcriptional regulation of type-I interferon and/or interferon-inducible genes. We report here the characterization of LSIRF, a new member of the IRF gene family cloned from mouse spleen by the polymerase chain reaction using degenerate primers.(More)
The interferon regulatory factor (IRF) genes encode a family of transcription factors involved in the transcriptional regulation of interferon and the interferon stimulated genes through recognition of the interferon stimulated response element. We previously reported the cloning of a murine lymphocyte-specific IRF (mLSIRF), which was rapidly induced(More)