Abstract
The authors produced a monoclonal antibody (mAb) against dolphin neutrophils by fusing mouse myeloma cells with lymph node cells from a Wistar rat immunized with bottlenose dolphin ( Tursiops truncatus) polymorphonuclear leukocytes (PMNs). This mAb (DN1) was reactive against 77.1 ± 8.6% of dolphin peripheral blood PMN by flow cytometric analysis; furthermore, there was no cross-reactivity with human or bovine leukocytes. The DN1-positive cells isolated with a sorting cytometer were almost all (99.7%) neutrophils. By using DN1 in conjunction with magnetic-activated cell sorting (MACS), the authors isolated neutrophils and eosinophils from density gradient-fractionated PMN with 100% and 95.6 ± 4.8% purities, respectively. These results suggest that this mAb specific for bottlenose dolphin neutrophils is useful as a potential reagent to study bottlenose dolphin neutrophils and eosinophils.
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