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Título: | Soluble receptors released during acute pancreatitis interfere with the detection of tumor necrosis factor-α |
Autor: | Folch-Puy, Emma CSIC ORCID ; Serrano, A.; Sabater, L.; Gelpí, Emili CSIC; Roselló-Catafau, Joan CSIC ORCID; Closa, Daniel CSIC ORCID | Fecha de publicación: | may-2001 | Editor: | Lippincott Williams & Wilkins | Citación: | Critical Care Medicine 29(5): 1023-1026 (2001) | Resumen: | Objective: To evaluate the interfering effect of tumor necrosis factor-α soluble receptor when measuring circulating concentrations of tumor necrosis factor-α in an experimental model of acute pancreatitis. Design: Randomized, controlled trial. Setting: Experimental laboratory. Subjects: Male Wistar rats. Interventions: Acute pancreatitis was induced by intraductal administration of 5% sodium taurocholate. Saline was administered in a control group. Serums were overloaded with known amounts of tumor necrosis factor-α or macrophage inflammatory protein-2. Measurements and Main Results: Three hours after induction, serum concentrations of free tumor necrosis factor-α, total tumor necrosis factor-α, and soluble receptor of tumor necrosis factor-α were measured. No detectable concentrations of free tumor necrosis factor-α were found in any experimental group. By contrast, significant increases in total tumor necrosis factor-α and soluble receptor of tumor necrosis factor-α were found after induction of pancreatitis. Overloading of serum with tumor necrosis factor-α resulted in detection of 50% of the expected concentrations of free tumor necrosis factor-α from control animais and only of 5% from the pancreatitis group. Overloading the serum with macrophage inflammatory protein-2 resulted in a detection of 100% of the expected concentrations in both control and treated animals. Conclusion: Circulating soluble receptor of tumor necrosis factor-α could interfere with the detection of tumor necrosis factor-α in some pathologies, such as pancreatitis, that are associated with increases in soluble receptor of tumor necrosis factor-α. | URI: | http://hdl.handle.net/10261/114092 | Identificadores: | issn: 0090-3493 |
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