mortality/aging
• mice that survive the first day after birth die within several weeks
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• approximately half die within 24 hours of birth
(J:61682)
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cardiovascular system
• progressive atrioventricular heart block that is putatively the cause of postnatal lethality
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growth/size/body
• surviving mice are approximately one-third the weight of wild-type at 14 days of age
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muscle
hematopoietic system
• liver shows a significant increase in hematopoietic precursor cells including nucleated erythrocytes at E18.5
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• increased numbers of nucleated red cells than in wild-type at E14.5 and E18.5, however at P10.5, circulating nucleated red cells are not seen, suggesting a transient effect
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liver/biliary system
• liver shows a significant increase in hematopoietic precursor cells including nucleated erythrocytes at E18.5
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