The neuroprotective role of melatonin in a gestational hypermethioninemia model

•Melatonin administration in a gestational hypermethioninemia model prevents some memory impairment.•Melatonin administration in a gestational hypermethioninemia model prevents Na+, K+-ATPase reduction in pups at 21 days-old;.•Melatonin administration in a gestational hypermethioninemia model prevents brain cell ultrastructure alterations.