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Table 2 Overview of astrocytic proteins involved in CNS homeostasis and their associated functions

From: Distinct forebrain regions define a dichotomous astrocytic profile in multiple system atrophy

Protein

Function

Aquaporin-4 (AQP4)

CNS water homeostasis

Glial fibrillary acidic protein (GFAP)

Intermediate filament of mature astrocytes

Growth-associated protein 43 (GAP-43)

Regenerative response, microglia activation

Glutamate transporter 1 (GLT-1)

Synaptic L-glutamate clearance

Glutamate-aspartate transporter 1 (GLAST)

Termination excitatory neurotransmission

Glutamine synthetase (GS)

Glutamine synthesis from glutamate

Vimentin (VIM)

Intermediate filament for cytoskeletal organization