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Title

Apoptosis inhibition during preservation by fructose-1,6-diphosphate and theophylline in rat intestinal transplantation

AuthorsGenesca, Meritxell; Solà, Anna M. ; Azuara, Daniel; Oca, Javier de; Hotter, Georgina
Issue DateApr-2005
PublisherLippincott Williams & Wilkins
CitationCritical Care Medicine 33(4): 827-834 (2005)
AbstractObjective: This study evaluated the effect of fructose-1,6-diphosphate (FDP), theophylline, or the addition of both together to the preservation solution (University of Wisconsin [UW]) on apoptosis during preservation and the effect of apoptosis minimization on the early reperfusion period after transplantation. Design: Prospective, randomized, and controlled animal study. Setting: Laboratory of a research institute. Subject: Male Wistar rats. Interventions: The jejunum was isolated and preserved for 6 hrs in UW solution. FDP and theophylline were added to the UW solution to evaluate their effects on apoptosis both alone and together. The role of adenosine with respect to FDP was examined by increasing endogenous adenosine. In addition, rats were subjected to intestinal transplantation for the evaluation of the effect of apoptosis on bacterial translocation, histology, and neutrophil infiltration after reperfusion. Measurements and Main Results: Caspase-3 activity, assayed both in vitro or by cleaved caspase-3 levels in Western blots or immunohistochemically, and the number of terminal deoxynucleotidyl transferase-mediated biotin-dUTP nick-end labeling (TUNEL)-positive cells decreased with FDP and with theophylline addition to UW solution. Increase of endogenous adenosine reversed the antiapoptotic effect of FDP. FDP and theophylline together demonstrated a more pronounced antiapoptotic effect and prevented bacterial translocation after transplantation. Conclusion: Supplementary FDP to UW solution decreased apoptosis through an adenosine-independent mechanism. Addition of theophylline to UW solution decreased both apoptosis and bacterial translocation. Concomitant theophylline and FDP addition to preservation solution is recommended to maintain low levels of apoptosis during intestinal hypothermic preservation and to decrease bacterial translocation. Copyright © 2005 by the Society of Critical Care Medicine and Lippincott Williams & Wilkins.
Publisher version (URL)http://dx.doi.org/10.1097/01.CCM.0000159530.32261.5C
URIhttp://hdl.handle.net/10261/116449
DOI10.1097/01.CCM.0000159530.32261.5C
Identifiersdoi: 10.1097/01.CCM.0000159530.32261.5C
issn: 0090-3493
Appears in Collections:(IIBB) Artículos
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