Abstract
The goal is to study some biochemical changes in the lens of rats and humans during aging. Materials and methods. Experiments were carried out on 25 rats. We also examined 84 patients with initial nuclear cataract. Results. diverse dynamics of the content of total lipids in the lenses of rats was revealed. There is a noticeable decrease in the content of products of oxidative modification of lipids in the lens tissue between 12 and 24 months and a slight increase in the period from 24 to 36 months. A 2-fold decrease in the content of the total protein level was revealed when comparing groups of 5 months and 36 months and an increase in total protein content with age. When comparing the parameters of oxidative degradation, cl in the lens tissue of rats and humans with age, similar indicators of dynamics were obtained. Conclusion. The data obtained indicate changes in the parameters of lipids and proteins in the lens tissue of rats during postnatal ontogenesis. The fact that there is a balance between damage and protection of proteins in the transparent lens was revealed. When comparing data on protein oxidation in the lens tissue of rats and humans with age, similar indicators were obtained. Keywords: lens, aging, biochemical changes
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