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Br J Haematol. 1986 Sep;64(1):125-32.

Recovery of immunoglobulin isotypes following T-cell depleted allogeneic bone marrow transplantation.


After conventional bone marrow transplantation serum IgG, IgM and IgA levels fall from pre-transplant levels and may not return to normal for 3-12 months. In contrast IgE may rise to supranormal levels, an event that may be associated with graft-versus-host disease. We have investigated the recovery of immunoglobulin isotypes in the recipients of allogeneic marrows depleted of T-cells to prevent graft-versus-host disease. We find that pre-transplant IgG, IgM and IgA levels are maintained throughout the post-transplant period but that there is a short-lived rise in IgE about 3 weeks after transplantation: this rise occurs in the absence of clinically detectable graft-versus-host disease. We conclude that specific T-cell depletion does not impair and may actually enhance the functional recovery of B cells after allogeneic BMT.

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