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  • Title: Indium-labeled white blood cells apheresed from donors receiving G-CSF localize to sites of inflammation when infused into allogeneic bone marrow transplant recipients.
    Author: Adkins D, Goodgold H, Hendershott L, Johnston M, Cravens D, Spitzer G.
    Journal: Bone Marrow Transplant; 1997 Apr; 19(8):809-12. PubMed ID: 9134173.
    Abstract:
    G-CSF administration to normal donors results in granulocyte apheresis yields generally greater than those observed with other neutrophil mobilizing agents. In vitro, neutrophils cultured with G-CSF exhibit prolonged survival; however, the random migration of neutrophils exposed to this agent is inhibited. Although transfused neutrophils mobilized with agents other than G-CSF migrate to sites of inflammation or infection in vivo, this has yet to be demonstrated with infusion of G-CSF-mobilized neutrophils into neutropenic human subjects. Five neutropenic allogeneic bone marrow transplant (BMT) patients each received a fresh infusion of G-CSF-mobilized indium-labeled irradiated white blood cells (WBC) apheresed from HLA-matched normal donors on day +5 post-transplant. Localization of activity on delayed scintigraphic images of indium-labeled WBC scans to sites of tissue damage (oral/nasopharynx in two patients with mucositis and terminal ileum/cecum in one with diarrhea) occurred, and supports the hypothesis that G-CSF-mobilized HLA-matched donor neutrophils which have been irradiated are functional after infusion into neutropenic recipients.
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