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Title: The effect of iron carrier proteins on the transplantation of H-2 locus-incompatible bone marrow in irradiated mice
Authors: Pierpaoli, W
Dall'Ara, A
Neri, Paolo
Santucci, Annalisa 
Issue Date: 1990
Project: None 
Rabbit bone marrow supernatants were fractionated and purified by Ultrogel and Superose chromatography. A unique fraction promoted engraftment of allogenic bone marrow and enduring hemopoietic chimerism across the histocompatibility (H-2) barrier in lethally irradiated mice. This fraction analysed by reducing SDS-PAGE electrophoresis and transblotted on PVDF membrane or purified by reverse-phase HPLC and SDS-PAGE electrophoresis yielded a main pre-albumin band that was examined for primary structure by Edman degradation. It appeared to be rabbit transferrin. Iron saturated human transferrin, lactotransferrin and egg transferrin (conalbumin) were then tested in irradiated C57B1/6 mice transplanted with bone marrow from histoincompatible BALB/CJ donors. Most mice treated with iron-loaded transferrins survived and developed enduring allogeneic chimerism with no discernible signs of graft-versus-host disease at 10 months posttransplant. Observation of these animals is still carried on. Iron carrier proteins seem to provide a novel unexpected means for achieving a successful engraftment of allogeneic bone marrow in immunologically hostile murine H-2 combinations and may open a new approach in the clinical area.
ISSN: 0507-3758
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