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  • Title: [Structural changes and cellular composition of the mesenterial lymph nodes in mice of first generation after parental exposure to radiation].
    Author: Melekhin SV, Chetvertnykh VA, Chunareva MV.
    Journal: Morfologiia; 2014; 146(4):31-6. PubMed ID: 25552084.
    Abstract:
    Changes of the structure and cellular composition of mesenterial lymph nodes were studied in 93 outbred albino mice born from parents exposed to 0.3 and 3.0 Gy of the ionizing radiation, after single intraperitoneal immunization of the offspring with sheep erythrocytes. The changes (lymphoid tissue hypoplasia with the reduction of lymphocyte and plasma cell numbers, increase of apoptotic cell, macrophage and reticular cell numbers, as well as cell detritis volume) were more pronounced after an exposure to high-dose radiation. The outgrowth of node stroma, circulatory disturbances and tissue edema were observed. The processes of lymphoid tissue reduction in the cortex affected the medullary structure, finally resulting in the early lymph node involution, that reflected the changes in the general adaptation and defense reactions of the whole immune system.
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