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Induction of neonatal immune responses to vaccine antigens is believed to be of limited efficacy because of immune immaturity and particular susceptibility to tolerogenic signals during this period of life. To characterize particular features of neonatal immune responses to vaccine antigens, we assessed the capacity of BALB/c mice at different stages of(More)
BACKGROUND Respiratory tract dendritic cells (DCs) are crucial for the regulation of immune responses to inhaled antigens. However, the precise function of the multiple DC subsets present in the lungs and the lung-draining lymph nodes is unknown. Fms-like tyrosine kinase 3 ligand (FLT3L) is a hematopoietic growth factor that drives the development of(More)
The putative counterparts of human plasmacytoid pre-dendritic cells (pDCs) have been described in vivo in mouse models and very recently in an in vitro culture system. In this study, we report that large numbers of bone marrow-derived murine CD11c(+)B220(+) pDCs can be generated with Flt3 ligand (FL) as the sole exogenous differentiation/growth factor and(More)
ULBPs are human ligands for NKG2D, an activating receptor expressed on natural killer (NK) cells, NK1.1(+) T cells, and T cells. ULBPs are expressed by a variety of leukemias, carcinomas, melanomas, and tumor cell lines. ULBP expression correlates with improved survival in cancer patients, however, the nature of the immune response that ULBPs elicit is not(More)
We showed recently that, in toad skins preexposed to Hg, water permeability is high in SO4-Ringer and low in Cl-Ringer. This anion effect was further investigated in Hg-treated skins and bladders of toads (Bufo marinus) in a variety of experimental conditions, including glutaraldehyde fixation and stimulation by vasopressin (VP) or isoproterenol (IP). In(More)
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