Defects in immunity and hematopoiesis. Adult homozygous mice are obtained at reduced frequency because of postnatal lethality. Surviving animals display a variety of abnormalities, including male infertility, retarded growth and defects in multiple hematopoietic lineages. They also show increased susceptibility to spontaneous eye infections associated with a cell-autonomous impairment of neutrophil function. They exhibit a mild impairment of erythropoiesis and hematopoietic stem cells (HSCs) have impaired competitive repopulating capacity both under normal conditions and when subjected to self-renewal stimulation by NUP98-HOXA10. Homozygous HSCs show a dramatic sensitivity to DNA demethylation-induced differentiation (5-azadeoxycytidine).
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Defects in immunity and hematopoiesis. Adult homozygous mice are obtained at reduced frequency because of postnatal lethality. Surviving animals display a variety of abnormalities, including male infertility, retarded growth and defects in multiple hematopoietic lineages. They also show increased susceptibility to spontaneous eye infections associated with a cell-autonomous impairment of neutrophil function. They exhibit a mild impairment of erythropoiesis and hematopoietic stem cells (HSCs) have impaired competitive repopulating capacity both under normal conditions and when subjected to self-renewal stimulation by NUP98-HOXA10. Homozygous HSCs show a dramatic sensitivity to DNA demethylation-induced differentiation (5-azadeoxycytidine).
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