Role of protein kinase A in regulating mitochondrial function and neuronal development: implications to neurodegenerative diseases.
Role of protein kinase A in regulating mitochondrial function and neuronal development: implications to neurodegenerative diseases.
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DOI:
10.1515/revneuro-2014-0085
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发表时间:
2015
影响因子:
4.1
通讯作者:
Das Banerjee T
中科院分区:
文献类型:
--
作者:
Dagda RK;Das Banerjee T
In neurons, enhanced PKA signaling elevates synaptic plasticity, promotes neuronal development, and increases dopamine synthesis. On the other hand, a decline in PKA signaling contributes to the etiology of several brain degenerative diseases including Alzheimer’s disease and Parkinson’s disease suggesting that PKA predominantly plays a neuroprotective role. A-kinase anchoring proteins (AKAP) are large multi-domain scaffold proteins that target PKA and other signaling molecules to distinct subcellular sites to strategically localize PKA signaling at dendrites, dendritic spines, cytosol, and axons. PKA can be recruited to outer mitochondrial membrane by associating with three different AKAPs to regulate mitochondrial dynamics, structure, mitochondrial respiration, trafficking, dendrite morphology, and neuronal survival. In this review, we survey the myriad of essential neuronal functions modulated by PKA but place a special emphasis on mitochondrially-localized PKA. Finally, we offer an updated overview of how loss of PKA signaling contributes to the etiology of several brain degenerative diseases.
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