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  • Title: Alkaline and acid phosphatase activity in murine femoral bone marrow following X-irradiation, or X-irradiation and repopulation with syngenic or allogeneic bone marrow or marrow stroma cells.
    Author: Włodarski KH.
    Journal: Folia Biol (Krakow); 1990; 38(1-4):49-56. PubMed ID: 2083601.
    Abstract:
    The activity of alkaline and acid phosphatases in the bone marrow from the femoral cavity was investigated in the following groups of mice: (1) normal (non-irradiated); (2) irradiated with 600 R; (3) irradiated and repopulated with syngeneic bone marrow; (4) irradiated and repopulated with syngeneic marrow stroma; (5) non-irradiated, infused with allogeneic bone marrow (host versus graft reaction, HvG); (6) irradiated and repopulated with allogeneic bone marrow (graft versus host reaction, GvH). In addition, the activity of alkaline and acid phosphatases was examined in bone marrow stromal cultures. In irradiated animals the activity of both enzymes was lower than in non-irradiated ones, repopulation with syngeneic bone marrow restoring it to normal. Repopulation with allogeneic marrow (GvH) resulted in a very deep reduction of alkaline, but not acid, phosphatase. It is postulated that the decrease in bone marrow alkaline phosphatase activity can be a sensitive test for the early GvH reaction, preceding such parameters as splenomegaly. Marrow stroma cultured in vitro also showed very low alkaline phosphatase activity.
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