Heidi Schultz

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Human B cells are able to secrete IL-10 after stimulation with mitogens, but their ability to produce IL-10 and regulate T-cell responses after stimulation with self-antigens is unclear. We co-cultured thyroglobulin-pulsed B cells from healthy donors with autologous T cells and observed production of IL-10 and TGF-β, in addition to TNF-α and IL-6. Pulsing(More)
The primary and secondary immune response of V beta 8+ T cells to the bacterial superantigen Staphylococcus enterotoxin B was compared in BALB/c mice. Secondary responder T cells were found to up-regulate the expression of the adhesion molecule LFA-1 faster, and to enter the cell cycle earlier than primary responder T cells. Both, primary and secondary(More)
In vivo administration of superantigens leads to activation and subsequent depletion or anergy of T cells expressing defined V beta-T cell receptors (TCR). Superantigens have therefore become intensively studied tools for examining parameters of immunoregulation and they may represent model antigens for pathogenic agents. An HIV-encoded superantigen has for(More)
Superantigens interact with and activate a sizeable fraction of T cells characterized by expression of specific V beta gene segments of their antigen receptor. The massive activation of T cells in an organism is considered responsible for clinical symptoms associated with superantigen-producing bacteria. Here we studied the in vitro activation of human T(More)
Rural residents in need of health care face many challenges. In 2009 the Leona M. and Harry B. Helmsley Charitable Trust created the Rural Healthcare Program to improve access to and quality of care in areas of the upper Midwest challenged by health care workforce shortages and low population density. The program has focused its efforts on telehealth in(More)
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