Changes in chromatin state in donors subjected to physical stress

Details Changes in chromatin state in donors subjected to physical stress Changes in chromatin state in donors subjected to physical stress

2009-01-31

arxiv.org/abs/0902.0089v1

Biology

Quantitative Biology

Cell Behavior

8 pages, 3 figures, 4 tables

Scientific paper

The purpose of the present study is to evaluate changes in chromatin of human buccal epithelium under the influence of stressing factor - dosed physical activity. Investigations were performed in a group of students (13 men) of age 19-23. Cells were stained on a slide by a 2% orcein solution in 45% acetic acid during 1 h. The following physiological indexes were determined: arterial blood pressure, pulse frequency, and frequency of breathing. The physical stress produced by the dosed physical activity causes the considerable increase of degree of heterochromatinization in the cell nuclei of human buccal epithelium. As a rule, the level of heterochromatinization increases after first stage of training, but in some donors it increases significantly only after the second stage of training.

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