Ann Thorac Surg 2007;84:133
© 2007 The Society of Thoracic Surgeons
Original Articles: Cardiovascular
Invited commentary
David J. Chambers, PhD
Cardiac Surgical Research, The Rayne Institute (Kings College London), Guys and St. Thomas NHS Foundation Trust, St. Thomas Hospital, London, SE1 7EH United Kingdom
(Email: david.chambers@kcl.ac.uk).
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The article by Barillas and colleagues [1] is the latest in an elegant series of studies from this group relating to the effects of ischemia-reperfusion on hypertrophied hearts. The study was conducted on neonatal rabbits that were subjected to aortic banding for 6 weeks to achieve early decompensated hypertrophy, which was shown to reduce tolerance to ischemia-reperfusion. This reduced tolerance is associated with impairment in insulin-induced glucose uptake and seems to be linked to defects in insulin signaling pathway (rather than in glucose transport). The authors hypothesize that glucose synthase kinase-3ß (GSK-3ß; a key intermediate in this pathway) has become activated due to a reciprocal reduction in activity of the . . . [Full Text of this Article]
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Inhibition of Glycogen Synthase Kinase-3ß Improves Tolerance to Ischemia in Hypertrophied Hearts
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Ann. Thorac. Surg. 2007 84: 126-133.
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Copyright © 2007 by The Society of Thoracic Surgeons.