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T lymphocyte subsets of the umbilical cord blood of dogs
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| Zeitschriftentitel: | Arquivo Brasileiro de Medicina Veterinária e Zootecnia |
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| Personen und Körperschaften: | , , , , |
| In: | Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 61, 2009, 4, S. 791-796 |
| Format: | E-Article |
| Sprache: | Unbestimmt |
| veröffentlicht: |
FapUNIFESP (SciELO)
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| Schlagwörter: |
| Zusammenfassung: | <jats:p>The hematological parameters red blood cells (RBC) and total white blood cells (WBC) counts, hematocrit, hemoglobin concentration, and RBC indexes (median corpuscular volume and median corpuscular hemoglobin concentration) were determined and T CD5+ lymphocytes and CD4+ and CD8+ subpopulations of the umbilical cord blood (UCB) of dogs were quantified by the cytofluorimetric technique. Nine adult Beagles, from two do five-year old, were used as control. The umbilical cord blood (UCB) was collected from 20 neonate dogs. The method for the UCB collection was adequate to obtain sufficient quantity of blood for the accomplishment of the hematological analyses and lymphocyte quantification. Cytoscopic preparations of the UCB suggested high erythropoietic activity. There was no difference for the global leukocyte and lymphocyte counts between the groups. UCB T lymphocyte counts were lower than those obtained for adult dogs. The proportion of CD4:CD8 showed a great dominance of T CD4+ cells over T CD8+ lymphocytes in UCB.</jats:p> |
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| Umfang: | 791-796 |
| ISSN: |
0102-0935
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| DOI: | 10.1590/s0102-09352009000400005 |