期刊
GLIA
卷 65, 期 11, 页码 1719-1727出版社
WILEY
DOI: 10.1002/glia.23169
关键词
calcium; chronic pain; dendritic spine; mGluR5; thrombospondin
资金
- Core Research for Evolutional Science and Technology (CREST) grant from the Japan Agency for Medical Research and Development (AMED)
- Japan Science and Technology Agency (JST)
- Japan Society for the Promotion of Science (JSPS) [22240042, 16H04669]
- Ministry of Education, Culture, Sports, Scienceand Technology of Japan [25117003]
- Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Education [NRF-2016R1D1A1A02937329]
- Grants-in-Aid for Scientific Research [16H04669, 22240042, 25117003] Funding Source: KAKEN
Astrocytes, a major type of glia, reciprocally influence synaptic transmission and connectivity, forming the tripartite synapses. Astrocytic metabotropic glutamate receptor (mGluR)-mediated Ca2+ waves and release of gliotransmitters or synaptogenic molecules mediate this neuron-glia interaction in the developing brain, but this signaling has been challenged for adult brain. However, cumulative evidence has suggested that mature astrocytes exhibit re-awakening of such immature phenotype in the pathological adult brain. This phenotypic change in astrocytes in response to injury may induce neural circuit and synapse plasticity. In this review article, we summarize astrocyte-mediated synapse remodeling during physiological development, discuss re-emergence of immature astrocytic signaling in adult pathological brain, and finally highlight its contribution to significant modification of synaptic connections correlating with functional progress of brain pathology.
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