Increased longevity of hematopoiesis in continuous bone marrow cultures derived from NOS1 (nNOS, mtNOS) homozygous recombinant negative mice correlates with radioresistance of hematopoietic and marrow stromal cells.

Abstract excerpt

OBJECTIVE: Neuronal nitric oxide synthase (NOS1, mitochondrial NOS, neuronal NOS) homozygous deletion recombinant negative mice demonstrate ionizing irradiation resistance in vivo, attributable to the decrease in mitochondrial-localized production of peroxynitrite, a potent lipid toxic free radical species resulting from the combination of nitric oxide and superoxide. The present studies were designed to...

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