Long-Term Preservation of Bone Marrow and Stem Cell Pool in Dogs

A canine model in vivo was established to assess the viability of stem cells frozen and stored for prolonged periods in liquid nitrogen. Forty-six foxhounds received total-body irradiation (1000 rads at 9 rads/min) followed by the infusion of autologous fresh bone marrow or frozen bone marrow stored...

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Bibliographic Details
Published in:Blood 1978-02, Vol.51 (2), p.257-265
Main Authors: Gorin, Norbert Claude, Herzig, Geoffrey, Bull, Malcolm I., Grow, Robert G.
Format: Article
Language:English
Subjects:
Animals
Bone Marrow Cells
Bone Marrow Transplantation
Dogs
Female
Freezing
Hematopoietic Stem Cells
Kinetics
Leukocyte Count
Male
Radiation Chimera
Time Factors
Tissue Preservation
Transplantation, Autologous
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Summary:A canine model in vivo was established to assess the viability of stem cells frozen and stored for prolonged periods in liquid nitrogen. Forty-six foxhounds received total-body irradiation (1000 rads at 9 rads/min) followed by the infusion of autologous fresh bone marrow or frozen bone marrow stored for 2 or 5 mo in the vapor phase of liquid nitrogen (-140°C). The results demonstrated a direct relationship between the dose of bone marrow infused, the percentage of successful engraftments, and the kinetics of peripheral recovery. The minimum dose of fresh bone marrow for autologous engraftment was between 0.1 and 0.25 × 108 nucleated cells/kg. There was no difference between fresh bone marrow and bone marrow stored for 2 mo (100% recovery of frozen stem cells). Following a 5-mo storage period, the results suggested a slight but not statistically significant decrease in stem cell viability. If it could be demonstrated that this technique successfully preserves human bone marrow stem cells, these data would support the inclusion of frozen autologous bone marrow rescue in the management of patients with malignant diseases as an adjunct to ablative chemotherapy.
ISSN:0006-4971
1528-0020
DOI:10.1182/blood.V51.2.257.257