Shock : molecular, cellular, and systemic pathobiological aspects and therapeutic approaches : the official journal the Shock Society, the European Shock Society, the Brazilian Shock Society, the International Federation of Shock Societies
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Shock
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Although interleukin-6 (IL-6) plays an important role in the pathophysiology of trauma-hemorrhage and resuscitation, the cellular origin of this inflammatory cytokine remains unknown. This study was undertaken to determine whether Kupffer cells (KC) are a major source of IL-6 release following trauma-hemorrhage and resuscitation. KC numbers were significantly (p < .05) reduced in vivo with gadolinium chloride (GdCl3; 10 mg/kg IV). ⋯ KC(-) = 159 +/- 5) and at 2.0 h (KC(+) = 527 +/- 394 vs. KC(-) = 83 +/- 20) postresuscitation. In conclusion, this study demonstrates that KC are a major source of in vivo IL-6 release following trauma-hemorrhage and resuscitation.