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J Thorac Cardiovasc Surg 2006;131:507-509
© 2006 The American Association for Thoracic Surgery
Letter to the Editor |
Divisions of Cardiovascular Surgery and Cardiology, Hospital for Sick Children, University of Toronto, 555 University Ave, Toronto, M5G 1X8, Ontario, Canada
| The first 20% of the full text of this article appears below. |
To the Editor:
We read with interest the recent paper of Ishiyama and colleagues
1
reporting that inhibition of nuclear factor kappa B (NF-
B) by I
B supressor gene transfer ameliorated ischemia-reperfusion (IR) injury after experimental lung transplantation. A few comments seem appropriate.
Is activation of NF-
B before transplantation destructive or protective? Two murine studies provided seemingly contradictory results. In the study of Ishiyama and colleagues,
1
inhibition of NF-
B rendered protection against the IR injury, yet in another study
2
a targeted deletion of the p105 subunit of the NF-
B abolished the protective effect of the remote ischemic preconditioning (rIPC), a novel clinically applicable mode of
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