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Biological Psychiatry Special Issue – Tribute to Ron Duman How stress shapes neuroimmune function: implications for the neurobiology of psychiatric disorders
Biological Psychiatry ( IF 10.6 ) Pub Date : 2020-11-01 , DOI: 10.1016/j.biopsych.2020.11.007
Ja Wook Koo 1 , Eric S Wohleb 2
Affiliation  

Chronic stress causes physiological and hormonal adaptations that lead to neurobiological consequences and behavioral and cognitive impairments. In particular, chronic stress has been shown to drive reduced neurogenesis and altered synaptic plasticity in brain regions that regulate mood and motivation. The neurobiological and behavioral effects of stress resemble the pathophysiology and symptoms observed in psychiatric disorders, suggesting that there are similar underlying mechanisms. Accumulating evidence indicates that neuroimmune systems, particularly microglia, have a critical role in regulating the neurobiology of stress. Preclinical models indicate that chronic stress provokes changes in microglia phenotype and increases inflammatory cytokine signaling, which affects neuronal function and leads to synaptic plasticity deficits and impaired neurogenesis. More recent work has shown that microglia can also phagocytose neuronal elements and contribute to structural remodeling of neurons in response to chronic stress. In this review we highlight work by the Duman research group (as well as others) that has revealed how chronic stress shapes neuroimmune function and, in turn, how inflammatory mediators and microglia contribute to the neurobiological effects of chronic stress. We also provide considerations to engage the therapeutic potential of neuroimmune systems, with the goal of improving treatment for psychiatric disorders.

中文翻译:

生物精神病学特刊——向 Ron Duman 致敬 压力如何塑造神经免疫功能:对精神疾病神经生物学的影响

慢性压力会导致生理和激素适应,从而导致神经生物学后果以及行为和认知障碍。特别是,慢性压力已被证明会导致调节情绪和动机的大脑区域的神经发生减少和突触可塑性改变。压力的神经生物学和行为影响类似于在精神疾病中观察到的病理生理学和症状,这表明存在相似的潜在机制。越来越多的证据表明,神经免疫系统,尤其是小胶质细胞,在调节压力的神经生物学方面具有关键作用。临床前模型表明,慢性压力会引发小胶质细胞表型的变化并增加炎症细胞因子信号传导,这会影响神经元功能并导致突触可塑性缺陷和神经发生受损。最近的研究表明,小胶质细胞还可以吞噬神经元元素,并有助于神经元的结构重塑以应对慢性压力。在这篇综述中,我们重点介绍了 Duman 研究小组(以及其他人)的工作,这些工作揭示了慢性压力如何影响神经免疫功能,以及炎症介质和小胶质细胞如何促进慢性压力的神经生物学效应。我们还提供了利用神经免疫系统治疗潜力的考虑因素,目的是改善对精神疾病的治疗。在这篇综述中,我们重点介绍了 Duman 研究小组(以及其他人)的工作,这些工作揭示了慢性压力如何影响神经免疫功能,以及炎症介质和小胶质细胞如何促进慢性压力的神经生物学效应。我们还提供了利用神经免疫系统治疗潜力的考虑因素,目的是改善对精神疾病的治疗。在这篇综述中,我们重点介绍了 Duman 研究小组(以及其他人)的工作,这些工作揭示了慢性压力如何影响神经免疫功能,以及炎症介质和小胶质细胞如何促进慢性压力的神经生物学效应。我们还提供了利用神经免疫系统治疗潜力的考虑因素,目的是改善对精神疾病的治疗。
更新日期:2020-11-01
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