Capacity of the medullary cavity of tibia and femur for intra-bone marrow transplantation in mice.

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  • Additional Information
    • Source:
      Publisher: Public Library of Science Country of Publication: United States NLM ID: 101285081 Publication Model: eCollection Cited Medium: Internet ISSN: 1932-6203 (Electronic) Linking ISSN: 19326203 NLM ISO Abbreviation: PLoS One Subsets: MEDLINE
    • Publication Information:
      Original Publication: San Francisco, CA : Public Library of Science
    • Subject Terms:
      Bone Marrow Transplantation/*methods ; Femur/*transplantation ; Hematopoietic Stem Cell Transplantation/*methods ; Tibia/*transplantation; Animals ; Cell Movement/physiology ; Femur/physiopathology ; Hematopoietic Stem Cells/cytology ; Hematopoietic Stem Cells/metabolism ; Humans ; Mice ; Tibia/physiopathology ; Transplantation, Heterologous/methods
    • Abstract:
      Intra-bone marrow transplantation (IBMT) has been adapted for mouse models to improve the seeding efficiency of transplanted hematopoietic stem and progenitor cells. Commonly used injection volumes for IBMT into the tibia differ between 10 and 40 μL even though considerable amounts of injected cells leak into the blood circulation immediately after injection. Injection of 3 μL trypan blue into the tibia of dead BALB/c mice showed staining in large vessels of hind limbs, even without supporting circulation. We therefore tested the effective capacity of the medullary cavity of dissected tibiae and femora of different mouse strains by bioluminescence imaging after injection of luciferase expressing cells. Cell leakage was already observed at 3 μL of injection volume and the measured emission rate increased significantly when 5 and 10 μL of volume with the same cell concentration were injected. Surprisingly, increasing injection volumes containing constant cell amounts resulted in comparable emission rates, suggesting a similar amount of leaked and absorbed cells independent of the injection volume. However, the absorption of a specific amount of injected cells could not be confirmed, as the ratio of leaked to absorbed cells was similar between IBMT that were performed with a constant injection volume containing either low or high cell amounts. In summary, for optimal cell transplantation via IBMT in mice we suggest to inject a high concentrated cell suspension with a maximum injection volume of 3 μL.
      Competing Interests: The authors have declared that no competing interests exist.
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    • Publication Date:
      Date Created: 20191108 Date Completed: 20200319 Latest Revision: 20200319
    • Publication Date:
      20240105
    • Accession Number:
      PMC6837452
    • Accession Number:
      10.1371/journal.pone.0224576
    • Accession Number:
      31697695