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<p>Astrocytes support neurons by maintaining health, regulating the environment, and aiding synaptic transmission, while glutamate is vital for excitatory signaling in learning and memory. The “glutamate-glutamine cycle,” verified by Hertz and Schousboe, illustrates the interaction between neurons and astrocytes in glutamate regulation. Recent studies show astrocytes not only manage glutamate levels but also influence synaptic activity through gliotransmission and contribute to brain energy via glutamate metabolism. Dysregulation of this signaling is linked to neurological disorders like epilepsy and Alzheimer’s. This mini-review will explore research progress on astrocytes and glutamate, highlighting glutamate’s role in brain function and disease.</p>

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Glutamate, a Key for Astrocytes to Participate in Brain Function and Diseases

  • 期刊论文

  • 发表日期：

    2025年5月15日

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  • Kai Gao,
  • Albert Cheung-Hoi Yu

摘要

Astrocytes support neurons by maintaining health, regulating the environment, and aiding synaptic transmission, while glutamate is vital for excitatory signaling in learning and memory. The “glutamate-glutamine cycle,” verified by Hertz and Schousboe, illustrates the interaction between neurons and astrocytes in glutamate regulation. Recent studies show astrocytes not only manage glutamate levels but also influence synaptic activity through gliotransmission and contribute to brain energy via glutamate metabolism. Dysregulation of this signaling is linked to neurological disorders like epilepsy and Alzheimer’s. This mini-review will explore research progress on astrocytes and glutamate, highlighting glutamate’s role in brain function and disease.