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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For example, studies show that even brief periods of odorant stimulation produce transient reductions in receptors in the olfactory epithelium, a process termed "receptor fatigue".
Because human cells normally do not develop antibodies to components of their own cells, Colonno injected human cells into mice, which did produce an antibody to the common receptor.