Regulating astrocytosis for appropriate defence and repair of the brain after injury

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An inflammatory process, designed to clean up cell debris and maintain tissue integrity following brain insult, also results in an astrocytic scar that biochemically impedes nerve repair. After 8 weeks astrocytes switch to become supportive, however once a scar is formed repair is permanently inhibited. Here, we will test the ability of biomaterials to optimise the timing of the necessary inflammatory phase, to encourage repair by converting astrocytes to their tropic phase more rapidly.