The role of glucocorticoid, interleukin-1β, and antioxidants in prenatal stress effects on embryonic microglia.

The role of glucocorticoid, interleukin-1β, and antioxidants in prenatal stress effects on embryonic microglia.
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DOI:
10.1186/s12974-018-1079-7
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发表时间:
2018-02-16
影响因子:
9.3
通讯作者:
Stevens HE
Stevens HE
中科院分区:
医学1区
文献类型:
--
作者:
Bittle J;Stevens HE

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母亲在怀孕期间的压力与后代的精神病理学风险增加有关。大脑的常驻免疫细胞,小胶质细胞,可能是产前压力和改变神经发育的介质。在这里,我们证明,无论是外源性促炎细胞因子,白细胞介素-1 β(IL-1β),也不是糖皮质激素,皮质酮,概括了产前应激对胚胎小鼠皮质板中小胶质细胞形态的全部影响; IL-1β的影响显示出更大的相似性,产前应激对小胶质细胞的影响。出乎意料的是,单独的油载体,具有抗氧化特性,缓和了产前压力对小胶质细胞的影响。小胶质细胞的变化与产前压力也敏感的抗氧化剂,N-乙酰半胱氨酸,这表明氧化还原失调的产前压力的机制。
Maternal stress during pregnancy is associated with an increased risk of psychopathology in offspring. Resident immune cells of the brain, microglia, may be mediators of prenatal stress and altered neurodevelopment. Here, we demonstrate that neither the exogenous pro-inflammatory cytokine, interleukin-1β (IL-1β), nor the glucocorticoid hormone, corticosterone, recapitulated the full effects of prenatal stress on the morphology of microglial cells in the cortical plate of embryonic mice; IL-1β effects showed greater similarity to prenatal stress effects on microglia. Unexpectedly, oil vehicle alone, which has antioxidant properties, moderated the effects of prenatal stress on microglia. Microglia changes with prenatal stress were also sensitive to the antioxidant, N-acetylcysteine, suggesting redox dysregulation as a mechanism of prenatal stress.
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