Abstract:Previously, naltrindole (NTI; selective delta opioid receptor antagonist) was shown to improve post-reperfused cardiac function and reduced infarct size when given prior to ischemia (I)/ reperfusion (R) in ex-vivo rat hearts. Conversely, naloxone (NX, broad-spectrum opioid antagonist) and nor-binaltrophine (BNI, selective kappa receptor antagonist) were similar to control hearts. In this study, the effects of NTI derivatives naltriben (NTB, delta receptor antagonist) and guanidonaltrindole (GNTI, kappa recepto… Show more
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