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Acknowledgements

J.P.B. was supported by MRES, and S.S. was supported by Conicit-UCV (Venezuela). This work was supported by the DRET, ARC, and AFM. We thank Drs. B. Pessac, B. Rudkin, and N. Tillakaratne for their kind gifts of C8s and PC12 cells and GAD cDNA, C. Ghaemmaghami for HPLC determinations, and C. Michoudet for critical comments and technical help.

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