Abstract
To study the preventive effect of Timosaponin BII (T-BII) -loaded temperature/ion-sensitive nasal in situ hydrogels (ISGs) on Alzheimer's disease (AD), its preparation technology, characteristics and in vivo effects were evaluated. The morphological and rheological properties were evaluated. The preventive effects of T-BII ISG on scopolamine-induced AD in mice were determined with the index of muscarinicreceptor 1 (M1) expression and pathological changes. Results revealed that T-BII ISG significantly increased the content of M1 choline receptors in the hippocampus of mice and ameliorated the damage incurred to the hippocampal cornu ammonis 1 (CA1) area. T-BII ISGs is a reasonable and convenient method of exerting an obvious preventive effect on mice with AD induced by scopolamine. This, thereby, lays forth a new treatment option for preventing AD.
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