- Altered glial fibrillary acidic protein content and its degradation in the hippocampus, cortex and cerebellum of rats exposed to constant light: reversal by melatonin. Baydas, G., Reiter, R.J., Nedzvetskii, V.S., Nerush, P.A., Kirichenko, S.V. J. Pineal Res. (2002)