mortality/aging
• animals surviving neonatal period either died or were euthanized between 13 and 94 days of age
• oldest survivor euthanized at 94 days of age with severe inflammation, edema, and gangrene in extremities
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• only 8 double homozygotes survived neonatal lethality due to coagulopathy typical of Proctm1Fjc homozygosity
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behavior/neurological
• sedentary
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growth/size/body
• severe
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respiratory system
• consolidation
• hemorrhage
• fibroblast infiltration of alveolar space
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• degeneration of peritracheal muscle and fat
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• hemorrhagic lesions
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• acute and chronic inflammation
• perivascular lymph vessels are distended
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cardiovascular system
• arterial neointimal formation
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• myocardial degeneration
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• multifocal vacuolization and necrosis
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• in atria
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• ventricular infarction
• atrial clotting
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• significant amounts of lymphatic fluid sometimes accumulate in the thorax
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• in various internal organs and leg muscles
• in bladder at E17.5
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• hemorrhagic lesions
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• in the brain and skull plate
• hemorrhage beneath the skull plate seen at E17.5
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• hemorrhagic cysts often seen at the edges of the liver
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• enlarged lymph nodes with areas of hemorrhage
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immune system
• significant amounts of lymphatic fluid sometimes accumulate in the thorax
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• enlarged lymph nodes with areas of hemorrhage
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• hypersegmentation
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• areas of atrophy and edema
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• with areas of hemorrhage
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• acute and chronic inflammation
• perivascular lymph vessels are distended
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hematopoietic system
anisocytosis
(
J:67398
)
• Howell-Jolly bodies sometimes seen
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• hypersegmentation
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homeostasis/metabolism
• near truncus pulmonalis
• occasionally see significant thrombi in the larger blood vessels
• intravascular thrombosis in liver
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liver/biliary system
• hemorrhagic cysts often seen at the edges of the liver
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• areas of hyperplasia, mineralization and hemorrhage
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• seen to varying degrees at E17.5
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• fibrotic tissue often seen on edges of the liver
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nervous system
• in the brain and skull plate
• hemorrhage beneath the skull plate seen at E17.5
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muscle
• myocardial degeneration
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• multifocal vacuolization and necrosis
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cellular
• gangrene seen in the extremities (nose, tail and paws) of oldest survivor euthanized at 94 days of age with severe inflammation and edema
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