Abstract
We studied features of age-related changes in the thymus of mature male Wistar rats developmentally exposed to the endocrine disruptor dichlorodiphenyltrichloroethane (DDT). The study was carried out at the stage of early thymus involution. Differences in the thymus morphology associated with imbalance of morphogenetic processes in the cortex and medulla were observed after puberty in rats developmentally exposed to DDT. Increased proliferation of thymocytes, higher content of lymphoblasts, and concomitant decrease in T-cell migration in comparison with the control were found. Our findings indicate lower functional maturity of the thymus and prolonged disorders in the program of postnatal thymus development induced by the endocrine disruptor DDT.
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