mortality/aging
• mice die between E9.5 and E13.5
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cardiovascular system
• the atrioventricular endocardial cushions contain few mesenchymal cells
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• at E10.5, mice exhibit smaller cardiac chambers than wild-type mice
• at E10.5, hearts exhibit reduced cellular proliferation compared with wild-type mice
• however, cardiac apoptosis is normal
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• the atrioventricular endocardial cushions are thinner than in wild-type mice
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homeostasis/metabolism
muscle