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1 results

  • A porcine model to study the effect of brain death on kidney genomic responses

  • Mitchell B. Sally, Darren J. Malinoski, Frank P. Zaldivar, Tony Le, Matin Khoshnevis, William A. Pinette, Michael Hutchens, Shlomit Radom-Aizik
  • Journal:
    Journal of Clinical and Translational Science / Volume 2 / Issue 4 / August 2018
    Published online by Cambridge University Press:
    30 October 2018, pp. 208-216
    • Article
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  • Introduction

    A majority of transplanted organs come from donors after brain death (BD). Renal grafts from these donors have higher delayed graft function and lower long-term survival rates compared to living donors. We designed a novel porcine BD model to better delineate the incompletely understood inflammatory response to BD, hypothesizing that adhesion molecule pathways would be upregulated in BD.

    Methods

    Animals were anesthetized and instrumented with monitors and a balloon catheter, then randomized to control and BD groups. BD was induced by inflating the balloon catheter and animals were maintained for 6 hours. RNA was extracted from kidneys, and gene expression pattern was determined.

    Results

    In total, 902 gene pairs were differently expressed between groups. Eleven selected pathways were upregulated after BD, including cell adhesion molecules.

    Conclusions

    These results should be confirmed in human organ donors. Treatment strategies should target involved pathways and lessen the negative effects of BD on transplantable organs.