ArticleTransplantation direct2021
Vascularized Bone Marrow Cellular Depletion or Discontinuity Abrogates Protection of Vascularized Composite Allografts in Nonhuman Primates.
Article in Transplantation direct, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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0 citing papers in PubMed, 1 citations in OpenAlex.
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Authors and funding
11 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundVascularized composite allografts (VCA) have demonstrated good clinical outcomes dependent on chronic immunosuppression. Previous work by our group and others supports that cotransplanted vascularized bone marrow (VBM) as a component of VCA offers immunologic protection to prolong graft survival. We aimed to characterize the requirements and potential mechanisms of VBM-mediated protection of VCA by modifying grafts through various strategies.
methodsExperimental groups of mismatched cynomolgus macaque recipients received VCA transplants modified by the following approaches: heterotopic separation of the VCA and VBM components; T-cell depletion of either donor or recipient; irradiation of donor VCA; and infusion of donor bone marrow. All groups received standard immunosuppression with tacrolimus and mycophenolate mofetil.
resultsExperimental modifications to donor, recipient, or graft all demonstrated short-graft survivals (31 d). Chimerism levels without bone marrow infusion were transient and minimal when detected and were not associated with prolonged survival. Donor bone marrow infusion increased levels of chimerism but resulted in alloantibody production and did not improve graft survival.
conclusionsVCA graft survival is significantly reduced compared with previously reported VCA with VBM transplants (348 d;
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