Why the study?
Does overexpression of NHE1 accentuate myocardial ischemia-reperfusion injury in a transgenic mouse model?
Population
Transgenic mice overexpressing the Na+/H+ exchanger isoform-1 specifically in the myocardium, 10-15 weeks of…
Comparison
Myocardial overexpression of NHE1 subjected to… vs Wild-type mice subjected to the same…
Design
Preclinical
Follow-up
40 minutes of reperfusion
Authors
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NHE1 overexpression does not accentuate ischemia-reperfusion injury in mice; challenges prior hypotheses and leaves open clinical relevance.
Does overexpression of NHE1 accentuate myocardial ischemia-reperfusion injury in a transgenic mouse model?
Contrary to the hypothesis, overexpression of NHE1 in the myocardium does not enhance ischemia-reperfusion injury and may offer small protective effects, indicating basal NHE1 activity is not rate-limiting for damage.
Imahashi et al. (2007) studied this question.
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