星形胶质细胞的钙信号程序和阿尔茨海默病的时间进程

Title:Calcium Signalling Toolkits in Astrocytes and Spatio-Temporal Progression of Alzheimer's Disease

Volume: 13 Issue: 4

Author(s): Dmitry Lim, J.J Rodriguez-Arellano, Vladimir Parpura, Robert Zorec, Fares Zeidan-Chulia, Armando A. Genazzani and Alexei Verkhratsky

Affiliation:

关键词: 阿尔茨海默病；星形胶质细胞；星形胶质细胞萎缩；胶质增生；钙信号转导；谷氨酸受体；InsP3受体；神经胶质细胞；β-淀粉样蛋白

摘要: Pathological remodelling of astroglia represents an important component of the pathogenesis of Alzheimer's disease (AD). In AD astrocytes undergo both atrophy and reactivity; which may be specific for different stages of the disease evolution. Astroglial reactivity represents the generic defensive mechanism, and inhibition of astrogliotic response exacerbates b-amyloid pathology associated with AD. In animal models of AD astroglial reactivity is different in different brain regions, and the deficits of reactive response observed in entorhinal and prefrontal cortices may be linked to their vulnerability to AD progression. Reactive astrogliosis is linked to astroglial Ca²⁺ signalling, this latter being widely regarded as a mechanism of astroglial excitability. The AD pathology evolving in animal models as well as acute or chronic exposure to β-amyloid induce pathological remodelling of Ca²⁺ signalling toolkit in astrocytes. This remodelling modifies astroglial Ca²⁺ signalling and may be linked to cellular mechanisms of AD pathogenesis.

Cite this article as:

Dmitry Lim, J.J Rodriguez-Arellano, Vladimir Parpura, Robert Zorec, Fares Zeidan-Chulia, Armando A. Genazzani and Alexei Verkhratsky , Calcium Signalling Toolkits in Astrocytes and Spatio-Temporal Progression of Alzheimer's Disease, Current Alzheimer Research 2016; 13 (4) . https://dx.doi.org/10.2174/1567205013666151116130104