mortality/aging
• embryos died between E11.5 and E13.5
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cardiovascular system
• strong dilatations of the aortae
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• fetal blood vessels within the labyrinth zone were modestly dilated
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• strong dilatations of the cardinal vein
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• accumulation of glycogen in cardiomyocytes
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• lack of close arrangement
• accumulation of glycogen in cardiomyocytes
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• reduced diameter, 0.3 um in mutants compared to 1-1.5 in wild-type
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• one canal was present, rather than two
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• displayed at E11.5 due to edema formation
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• the lumen of the ventricles was smaller than wild-type
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• demonstrated at E11.5
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• demonstrated at E11.5
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embryo
• fetal blood vessels within the labyrinth zone were modestly dilated
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cellular
• mitochondria were grossly enlarged and shaped in a ring-like fashion
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muscle
• accumulation of glycogen in cardiomyocytes
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• lack of close arrangement
• accumulation of glycogen in cardiomyocytes
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• reduced diameter, 0.3 um in mutants compared to 1-1.5 in wild-type
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• shorter length and reduced number of sarcomeres in mutant cardiomyocytes (4-6 in mutants vs 12-15 in wild-type)
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homeostasis/metabolism
• accumulation of glycogen in cardiomyocytes
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• demonstrated at E11.5
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