Acta medica Okayama · 1983
Superoxide anion (O2-) production by neutrophils in refractory anemia with excess of blasts.
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Takahashi I, Kohi F, Inagaki N, Ohmoto E, Fukumoto M, Watanabe S, Takaoka K, Kitajima K, Kimura I, Sanada H
Аннотация
The O2- production by neutrophils was examined in 4 cases of refractory anemia with excess of blasts (RAEB) in order to evaluate the possible causes of enhanced susceptibility to infection and to gain some informations on the differentiation of neutrophils in this hematological disorder. In three of the four RAEB cases there was little O2- production by neutrophils, in addition to there being morphological anomalies of the neutrophils such as a Pelger-Hüet-like anomaly, granular deficiency and binucleated cells. These results suggest that the impairment of O2- production by neutrophils in RAEB is one of the possible causes of susceptibility to infection and also suggest that the differentiation of neutrophils in this hematological disorder is faulty. The estimation of O2- production by neutrophils may be a useful diagnostic method for preleukemia.