期刊
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
卷 22, 期 21, 页码 -出版社
MDPI
DOI: 10.3390/ijms222111677
关键词
Alzheimer's disease; glutamate; GABA; microglia; neurons; neurotransmission; neuroinflammation; signaling; neurodegeneration; therapeutic approaches
资金
- National Science Centre, Poland [2018/31/B/NZ4/01379]
Alzheimer's disease significantly disrupts the balance between excitation and inhibition in the brain, with microglial receptor activation playing a key role in regulating the immune response, revealing its complex function in neuroinflammation and the AD brain. This review focuses on the role of proteins and receptors in microglia and neurons in a communication network, exploring potential targets for neuroprotection and novel pharmacological approaches in AD and neuroinflammation.
The physiological balance between excitation and inhibition in the brain is significantly affected in Alzheimer's disease (AD). Several neuroactive compounds and their signaling pathways through various types of receptors are crucial in brain homeostasis, among them glutamate and gamma-aminobutyric acid (GABA). Activation of microglial receptors regulates the immunological response of these cells, which in AD could be neuroprotective or neurotoxic. The novel research approaches revealed the complexity of microglial function, including the interplay with other cells during neuroinflammation and in the AD brain. The purpose of this review is to describe the role of several proteins and multiple receptors on microglia and neurons, and their involvement in a communication network between cells that could lead to different metabolic loops and cell death/survival. Our review is focused on the role of glutamatergic, GABAergic signaling in microglia-neuronal cross-talk in AD and neuroinflammation. Moreover, the significance of AD-related neurotoxic proteins in glutamate/GABA-mediated dialogue between microglia and neurons was analyzed in search of novel targets in neuroprotection, and advanced pharmacological approaches.
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