Analysis of the Intensity of Apoptosis in Rat Organs at Various Stages of Ontogeny

Activity of apoptosis in the thymus, liver, and kidneys on days 20, 22, 35, 50, 80, 110, and 140 of ontogeny was studied in the experiments on rats using the alkaline gel electrophoresis and flow cytofluorometry. Changes in apoptosis intensity depended on animal age. The maximum level of this parameter was observed on day 20 of ontogeny with the following reduction in this parameter to the minimum value on days 35-50. Then it gradually increased up to relatively high levels on day 110 and significantly reduced by day 140.

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