However, appears even more data indicating that that extranuclear components, in the list of which mitochondria, play significant role in the cellular response to IR, and it has been found, that the mitochondrial function of MSCs is significantly increases after 4 hours of exposure to ionizing radiation, [url=https://zaramella.com/intro-it-management/]https://zaramella.com/intro-it-management/[/url], what was determined by measuring the oxygen consumption of mitochondria.244