What molecular mechanisms determine whether reactive astrocytes adopt neurotoxic A1 vs neuroprotective A2 phenotypes?

The abstract describes astrocyte phenotypic heterogeneity (A1/A2) but doesn't explain the mechanistic switches governing this critical fate decision. Understanding these mechanisms is essential for therapeutic targeting of beneficial vs harmful astrocyte responses. Gap type: unexplained_observation Source paper: Contribution of astrocytes to neuropathology of neurodegenerative diseases. (2021, Brain research, PMID:33516810)

archived neuroinflammation Created Apr 14, 2026

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