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  • Book
    Jeffrey J. Schaider, MD, Roger M. Barkin, MD, MPH, Stephen R. Hayden, MD, Richard E. Wolfe, MD, Adam Z. Barkin, MD, MPH, Philip Shayne, MD, Peter Rosen, MD.
    Summary: "This best-selling emergency department reference is now in its thoroughly updated Fifth Edition. The foremost authorities provide practical information on over 600 clinical problems in a fast-access two-page outline format that's perfect for on-the-spot consultation during care in the emergency department.Coverage of each disorder includes clinical presentation, pre-hospital, diagnosis, treatment, disposition, and ICD-9 coding. Icons enable practitioners to quickly spot the information they need. This edition provides up-to-date information on topics such as emerging infections, new protocols, and new treatments"--Provided by publisher.
    Digital Access Ovid 2015
  • Article
    Seldin MF, Rich RR, Abramson SL.
    J Clin Invest. 1979 Oct;64(4):967-76.
    Clearer definition of the recognitive structures of human T lymphocytes for antigens will be required to elucidate the molecular basis of diseases and immunological responses induced or regulated by normal or abnormal T-cell function. For this purpose we have investigated the cellular requirements for immune responses in vitro to trinitrophenyl-conjugated peripheral blood mononuclear cells. The responding cell was characterized as a T cell on the basis of rosetting with sheep erythrocytes. T-cell recognition of hapten in proliferative responses depended upon presentation of antigen in an appropriate stimulator-cell context. Neither autologous hapten-modified erythrocytes nor T cells restimulated responses of in vitro-primed lymphocytes. Moreover, hapten-conjugated non-T cells were more effective than modified unfractionated cells in restimulating proliferative responses. Both macrophages and non-T lymphocytes effectively restimulated hapten-conjugate responses.Cell-mixing experiments indicated that the failure of haptenated T cells to stimulate proliferative responses was not because of a lack of fresh macrophages; these experiments suggested instead that T cells do not express appropriate structures necessary to present haptenic determinants in an immunogenic form. Hapten-modified T cells, however, were capable of inducing primed lymphocytes to become efficient cytotoxic effector cells, indicating that T-cell recognitive units for stimulation of proliferative and cytotoxic responses are different. These data support the concept that for induction of proliferative responses, human T cells recognize conventional antigens in association with HLA-D-region-encoded Ia-like molecules.
    Digital Access Access Options