Key result
Angiotensin II type 1A receptor knockout mice demonstrated higher survival and less severe left ventricular remodeling at 4 weeks post-myocardial infarction compared to wild-type mice.
Why the study?
Does AT(1A) receptor knockout improve survival and reduce left ventricular remodeling after myocardial infarction in mice?
Population
Angiotensin II type 1A receptor (AT) knockout mice and wild-type mice subjected to large myocardial infarction
Comparison
AT(1A) receptor knockout (genetic deletion) vs Wild-type (WT) mice
Design
Preclinical
Follow-up
4 weeks
Authors
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AT1A inhibition may improve post-MI survival; extends mouse remodeling data but leaves open clinical translation.
Does AT(1A) receptor knockout improve survival and reduce left ventricular remodeling after myocardial infarction in mice?
AT(1A) receptor signaling plays a pivotal role in the progression of left ventricular remodeling and mortality after myocardial infarction, providing mechanistic support for the use of angiotensin receptor blockers.
Harada et al. (1999) studied Myocardial Infarction. Angiotensin II type 1A receptor knockout vs. Wild-type mice was evaluated on Survival and left ventricular remodeling. Angiotensin II type 1A receptor knockout mice demonstrated higher survival and less severe left ventricular remodeling at 4 weeks post-myocardial infarction compared to wild-type mice.
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