cellular
• overall rate of bone marrow cell apoptosis and growth factor deprivation-induced programmed cell death is reduced
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hematopoietic system
• approximately 20% of mutants develop splenomegaly after the first year of life
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• perturbed myelopoiesis, with slow and progressive accumulation of myeloid cells in the bone marrow and spleen; these cells retain the ability to terminally differentiate into mature granulocytes
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• progressive hyperplasia of the myeloid/granulocytic compartment in the bone marrow
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• low platelet counts in the peripheral blood
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immune system
• approximately 20% of mutants develop splenomegaly after the first year of life
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• perturbed myelopoiesis, with slow and progressive accumulation of myeloid cells in the bone marrow and spleen; these cells retain the ability to terminally differentiate into mature granulocytes
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• progressive hyperplasia of the myeloid/granulocytic compartment in the bone marrow
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neoplasm
growth/size/body
• approximately 20% of mutants develop splenomegaly after the first year of life
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