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Fine-tuning MAPK signalling in the brain

机译:大脑中的MAPK信号微调

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Mitogen-activated protein kinase (MAPK) signaling influences a variety of neuronal properties, including structural characteristics such as spine density and physiological features like long-term potentiation. Spatiotemporal control of MAPK signalling is crucial to generate specific changes in neuronal physiology. However, while many studies have concentrated on the activation of MAPK signaling by trophic factors such as BDNF and neuronal activity, the mechanisms that lead to its termination have not been well described. Two recent reports begin to address this question by focusing on the role of the MAPK phosphatase, MKP-1, in neuronal function. The first study provides a cellular mechanism underlying MKP-1 action in the brain.~(1) The second study describes potential roles of MKP-1 during stress and major depression.~(2).
机译:丝裂原激活的蛋白激酶(MAPK)信号传导影响多种神经元特性,包括结构特征(例如脊柱密度)和生理特征(例如长期增强)。 MAPK信号的时空控制对于产生神经元生理学的特定变化至关重要。但是,尽管许多研究集中在营养因子(例如BDNF)和神经元活性对MAPK信号的激活上,但导致其终止的机制尚未得到很好的描述。最近有两份报告开始着眼于MAPK磷酸酶MKP-1在神经元功能中的作用,从而解决了这个问题。第一项研究提供了大脑中MKP-1作用的细胞机制。〜(1)第二项研究描述了MKP-1在压力和重度抑郁中的潜在作用。(2)。

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