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  • Title: Co-culture with astrocytes or microglia protects metabolically impaired neurons.
    Author: Park LC, Zhang H, Gibson GE.
    Journal: Mech Ageing Dev; 2001 Dec; 123(1):21-7. PubMed ID: 11640948.
    Abstract:
    Thiamine deficiency (TD) is a model of chronic impairment of oxidative metabolism that leads to neurodegeneration. TD induces oxidative stress and death in neurons, but does not kill astrocytes, microglia or brain endothelial cells. TD primary hippocampal neurons were either cultured alone, or co-cultured with primary astrocytes or microglia. After 7 days of TD, 50% of the neurons died, and the processes of many of the surviving neurons were severely truncated. When TD neurons were co-cultured with astrocytes or microglia, neurons did not die nor show decreased neurite outgrowth. Thus, neuronal-glial interactions are critical for maintaining neuronal homeostasis during chronic metabolic impairment.
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