cardiovascular system
• in untreated and isoproterenol treated mice
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• mice exhibit increased left ventricular end-systolic and end-diastolic dimensions compared with wild-type mice
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• in untreated and isoproterenol treated mice
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• in the ventricle, but not atria, at 19 to 22 weeks
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muscle
growth/size/body
cellular
• in the ventricle, but not atria, at 19 to 22 weeks
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