Aluminum chloride powder, valsartan (Amoun Pharmaceuticals & Chemical
Industries), sacubitril/valsartan combination; 97 mg/103 mg (Novartis), all
chemicals were dissolved in distilled water. Kits: Amyloid beta
(Aβ1–42): ELISA for rat brain (Leader Trade Company) & Thiobarbituric Acid
Reactive Substances (TBARS) Assay (MDA Quantitation) (Oxiselect Company).
Animals used: In this study, 72 male adult Wistar albino rats of matching age and
weight (200–230 g) were used. Animals were housed in two a cage and were kept
under hygienic conditions at a room temperature of 22°C and 55% humidity with a
12-h light/12-h dark schedule. Rats were fed standard rat pellets, and water was
freely provided. This study was approved by Cairo University’s Institutional
Animal Care and Use Committee (IACUC), medical sciences sector. The experiments
were carried out in accordance with the ethical guidelines of the animal welfare
application number (CU/III/F/28/19).