Medroxyprogesterone Acetate Impairs Amyloid Beta Degradation in a Matrix Metalloproteinase-9 Dependent Manner. Alzforum, 24 Apr 2020 Porter KN, Sarkar SN, Dakhlallah DA, Vannoy ME, Quintana DD, Simpkins JW. Medroxyprogesterone Acetate Impairs Amyloid Beta…