Mar 1, 1976

Acute graft-versus-host reaction in mice. 3. Organ distribution of injected 51 chromium labeled lymphocytes

Experimental Hematology
V SilobrcićI Basić

Abstract

The distribution of labeled lymph node cells, causing an acute GvH reaction in lethally irradiated allogeneic recipients, was studied. Lymph node cells of C57BL mice were labeled with 51Cr and injected into lethally irradiated: a) C57BL mice, b) CBA mice, c) CBA mice sensitized to C57BL antigens prior to irradiation, d) CBA mice splenectomized before irradiation. Two more experimental situations were studied in which C57BL donors of lymph node cells were: e) presensitized to CBA antigens, or f) deprived of T-lymphocytes. The amount of radioactivity was determined in the whole body, blood, liver, spleen, subcutaneous lymph nodes, lungs, femora and kidneys of the irradiated recipient at regular intervals from the time of injection to the 120th hour after it. We found that living cells lodged predominantly in the spleen and the lymph nodes, while dead and dying cells accumulated in the liver. Other organs contained very small amounts of radioactivity. All the results point to the primary role of the spleen in the acute graft-versus-host reaction.

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Mentioned in this Paper

Mice, Inbred CBA
Variolation
Spleen
Graft Vs Host Reaction
Acute Disease
Thymectomy
Isogenic Transplantation
Transplantation, Homologous
Bone Marrow Cell Transplantation
Bone Marrow Cells

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