mortality/aging
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• mice become moribound and die from anemia and intestinal obstruction at a mean age of 82 days
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neoplasm
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• mice exhibit accelerated intestinal tumorigenesis compared to single ApcMin heterozygous mice, with a large increase in number of small and large bowel adenomas that develop
• an average of 333 adenomas are seen in 10 mutants at 47-78 days of age compared to a mean of 48 adenomas in single ApcMin heterozygotes
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digestive/alimentary system
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• mice exhibit accelerated intestinal tumorigenesis compared to single ApcMin heterozygous mice, with a large increase in number of small and large bowel adenomas that develop
• an average of 333 adenomas are seen in 10 mutants at 47-78 days of age compared to a mean of 48 adenomas in single ApcMin heterozygotes
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hematopoietic system
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• mutants exhibit enhanced polyp formation in the small intestine and colon at 6 weeks of age compared to double heterozygous mice
• treatment with the Nos2 (iNOS) inhibitor L-NIL has no effect on polyp number
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