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  • Title: Hypertonic saline resuscitation: a tool to modulate immune function in trauma patients?
    Author: Junger WG, Coimbra R, Liu FC, Herdon-Remelius C, Junger W, Junger H, Loomis W, Hoyt DB, Altman A.
    Journal: Shock; 1997 Oct; 8(4):235-41. PubMed ID: 9329123.
    Abstract:
    Hypertonic saline (HS) resuscitation has recently gained attention from trauma physicians because it may benefit the immune system of trauma patients. We have found that HS augments in vitro and in vivo immune function of healthy T-cells. In addition, HS restored the function of suppressed T-cells in vitro and in vivo and reduced immunosuppression after hemorrhage, protecting mice from subsequent sepsis. These effects of HS are based on its direct influence on cellular signaling events through specific signaling pathway(s) that include protein tyrosine kinase and mitogen-activated protein kinase p38 activation. HS provides a costimulatory signal that enhances the proliferation of activated T-cells. HS may be able to substitute signals lost through blockage as a result of trauma induced suppressive factors, thereby restoring the function of suppressed T-cells. Although further work is needed to determine the optimal conditions and possible risks of HS resuscitation, the data presented in this short review of our recent work shed a favorable light on HS as a simple but effective tool to modulate cellular immune function after trauma.
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