- Melatonin inhibits neural apoptosis induced by homocysteine in hippocampus of rats via inhibition of cytochrome c translocation and caspase-3 activation and by regulating pro- and anti-apoptotic protein levels. Baydas, G., Reiter, R.J., Akbulut, M., Tuzcu, M., Tamer, S. Neuroscience (2005)