Alloprenanolone and Hippocampal 3a-HSD Activity

Keep in mind that 3a-HOR is just another way of describing the typical 3a-HSD enzyme. They are the same.

Allopregnanolone prevents memory impairment: effect on mRNA expression and enzymatic activity of hippocampal 3-α hydroxysteroid oxide-reductase.

http://www.ncbi.nlm.nih.gov/pubmed/22155686