Some of the teens had changed to one particular gene—the glucocorticoid receptor (GR)—that helps regulate the body's hormonal response to stress.

一些青少年已经转换了一个特定的基因——糖皮质激素受体（GR）——帮助调节体内荷尔蒙对于压力的反应。

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By contrast, L-methionine increased the level of methylation and thus reduced the expression of the gene in animals with loving mothers, and led to fear, anxiety and a heightened response to stress.

与之相反，L -甲硫氨酸增加了甲基化水平，从而减弱了正常老鼠中糖皮质激素受体基因的表达，导致了恐惧、焦虑和对压力的强烈反应。

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For example, increased expression of the glucocorticoid receptor gene in particular brain regions improves the ability to regulate a stress response.

例如，糖皮质激素受体基因在大脑特定区域的持续表达提高了调节应激反应的能力。

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