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Structural and histochemical features of cortical thymic epithelial cells in mice with chemically-induced lymphoid
I Valkov1, T Marinova, M Davidorff
1Department of Pathology, Medical Academy, Sofia, Bulgaria.
Abstract:
Ultrastructural, enzyme histochemical (acide phosphatase, adenosine triphosphatase, neutral 5'-nucleotidase) and immunohistochemical (cytokeratins with monoclonal antibodies BH11 and BC3) features of the thymus cortical epithelial cells of leukemic DBA/2 inbred mice have been studied. In the leukemic mice epithelial cells appeared possessing some ultrastructural and histochemical features of cell activation. Lympho-epithelial complexes, composed mainly of BH11 and BC3 immunoreactive cells and of lymphoid cells were subcapsulary and subseptally found. It is discussed on the eventual involvement of the lympho-epithelial complexes in the intrathymic leukemogenesis during lymphoid leukemia.