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How does chronic stress affect cyp11a1 expression? 


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Chronic stress can impact CYP11A1 expression differently based on the specific stress model. In the context of the chronic mild stress (CMS) model of depression, it was observed that CMS moderately affects CYP expression, including CYP2B, CYP2C11, and CYP3A, with varying effects compared to other stress types. On the other hand, exposure to psycho-emotional stress (PES) led to a significant decrease in CYP2E1 expression in the liver of mice, attributed to intensified peroxide processes and oxidative stress. These findings highlight the complex relationship between chronic stress and CYP expression, indicating that different stressors can lead to distinct alterations in cytochrome P450 enzyme levels, potentially influencing steroid metabolism and physiological functions.

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Chronic stress reduces Cyp11a1 expression, leading to decreased glucocorticoid secretion and impaired stress response, as shown in the study on mouse Cyp11a1 promoter mutation.
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Chronic stress moderately affects CYP2C11 expression in the liver, as observed in the chronic mild stress model of depression in rats.

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