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For over a century after their discovery astrocytes were regarded merely as cells located among other brain cells to hold and give support to neurons. Astrocytes activation, "astrocytosis" or A1 functional state, was considered a detrimental mechanism against neuronal survival. Recently, the scientific view on astrocytes has changed.
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Key Research Laboratory for Prevention and Treatment of Cerebrospinal diseases, Shaanxi Provincial Administration of Traditional Chinese Medicine, Xianyang, China.
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