mortality/aging
• all die by 12 weeks of age due to heart failure
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cardiovascular system
• hearts show extensive myocyte hypertrophy; hypertrophy worsens between 4 and 8 weeks of age
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• by 9 weeks of age, hypertrophy progresses to dilated cardiomyopathy
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• by 9 weeks of age, hypertrophy progresses to heart failure
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muscle
• by 9 weeks of age, hypertrophy progresses to dilated cardiomyopathy
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growth/size/body
• hearts show extensive myocyte hypertrophy; hypertrophy worsens between 4 and 8 weeks of age
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