Journal
DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY
Volume 28, Issue 9, Pages 863-869Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.dci.2004.01.005
Keywords
carp; kidney; hematopoiesis; LTBMC; hematopoietic progenitor cell; hematopoietic stem cell
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We cultivated kidney hematopoietic cells from clonal triploid ginbuna crucian carp, Carassius auratus langsdorfii. Proliferating cells from hematopoietic cell cultures were harvested and injected into tetraploid hybrids (clonal triploid ginbuna and goldfish hybrid) which possess three sets of chromosomes from a triploid clone and a haploid set of chromosomes from goldfish (Carassius auratus). After injection of cultured triploid cells (donor cells), blood samples were obtained from tetraploid hybrids (recipients) every other week. Blood cells stained with acridine orange were measured by flow cytometry to trace the injected donor cells by means of differences in DNA content. Although erythrocytes were not produced in donor cell cultures, such cultures maintained precursor cells capable of differentiation into erythrocytes in vivo. After 4-12 weeks of transplantation, mature erythrocytes derived from the donors were observed in the blood circulation of the recipient fish. These results indicated that the ginbuna hematopoietic cell culture system is an in vivo situation suitable for the study of hematopoietic control mechanisms. (C) 2004 Elsevier Ltd. All rights reserved.
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