This subproject is one of many research subprojects utilizing the resources provided by a Center grant funded by NIH/NCRR. The subproject and investigator (PI) may have received primary funding from another NIH source, and thus could be represented in other CRISP entries. The institution listed is for the Center, which is not necessarily the institution for the investigator.
SPECIFIC AIMS : To describe particular immune system responses, including changes in cytokines, neuropeptides, and leukocyte cellular adhesion molecules, to the adrenergic and neural stimulus of experimental nociceptive pain induced by electrical stimulation. Hypotheses H1. Pain induced by electrical stimulation will result in increased plasma levels of the proinflammatory cytokine interleukin-6 (IL-6), and C-reactive protein (CRP), and increased lipopolysaccharide (LPS)-stimulated peripheral blood mononuclear cell (PBMNC) IL-6 production. H2. Pain induced by electrical stimulation will result in increased plasma levels of Substance P (SP). H3. Pain induced by electrical stimulation will result in increased plasma levels of soluble intercellular cell adhesion molecule (sICAM-1 [CD-54]), and increased leukocyte density and number of cells (lymphocytes, monocytes, and neutrophils) expressing the integrin molecule, CD11a (LFA-1).
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