Dayna R. Clark

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The immunological alterations required for successful pregnancy in eutherian placental mammals have remained a scientific enigma since the discovery of MHC haplotype diversity and unique immune signatures among individuals. Within the past 10 years, accumulating data suggest that immune-suppressive regulatory T cells (Tregs) confer essential protective(More)
Long-term maintenance of immune components with defined specificity, without antigen is the hallmark feature of immunological memory. However, there are fundamental differences in how memory CD8(+) compared with CD4(+) T cells are maintained. After complete antigen elimination, CD8(+) T cells can persist as a self-renewing numerically stable cell(More)
Listeria monocytogenes (Lm) is an intracellular bacterium with unique predisposition for systemic maternal infection during pregnancy and morbid consequences for the developing fetus. Given the high mortality associated with prenatal Lm infection, strategies for augmenting protective immunity during the exceedingly vulnerable period of pregnancy are(More)
Commensal enteric bacteria maintain systemic immune responsiveness that protects against disseminated or localized infection in extra-intestinal tissues caused by pathogenic microbes. However, as shifts in infection susceptibility after commensal bacteria eradication have primarily been probed using viruses, the broader applicability to other pathogen types(More)
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