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  • Title: In vitro study of neutrophil apoptosis in dogs.
    Author: Oguma K, Kano R, Hasegawa A.
    Journal: Vet Immunol Immunopathol; 2000 Aug 31; 76(1-2):157-62. PubMed ID: 10973694.
    Abstract:
    In the present study, to investigate the apoptosis of the polymorphonuclear neutrophil (PMN) from healthy dogs, we carried out TUNEL assay and DNA analysis by electrophoresis on dog PMNs. The TUNEL assay indicated that apoptotic PMNs in dogs were 0.15+/-5% before incubation, 0.3+/-5% at 4h incubation, 1+/-6% at 8h, 9+/-4% at 12h and 28+/-5% at 24h, respectively. The ladder formation was much more clearly observed in DNA from PMNs after 24h incubation at 37 degrees C than that before incubation. The results in this study indicated that healthy dog PMNs undergo apoptosis spontaneously within hours to days, and that the apoptosis of PMNs might be related to the high turnover of these circulating cells in dogs.
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