Cyclosporine A drug delivery system for treating myocardial ischemia reperfusion injury
A technology for reperfusion injury and drug delivery system, which can be used in cardiovascular diseases, cyclic peptide components, drug combinations, etc., and can solve problems such as narrow therapeutic window of cyclosporine A
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[0019] Preparation of cyclosporin A double-responsive nanomicelles and its preventive effect on myocardial ischemia-reperfusion injury
[0020] 1 Objective: To evaluate the preventive effect of polymer micelles encapsulating CsA on MIRI.
[0021] 2 Research methods:
[0022] 2.1 Determination of encapsulation efficiency and drug loading
[0023] The micelles were dissolved in DMSO to destroy the micellar structure, and the encapsulation efficiency and drug loading were detected by HPLC-DAD.
[0024] Drug loading = (the amount of drug wrapped in the drug delivery system / weight of the drug delivery system) × 100%
[0025] Encapsulation efficiency = (actual drug loading / dosage) × 100%
[0026] 2.2 Evaluation of ROS response characteristics
[0027] Weigh an appropriate amount of drug-loaded micelles and dissolve them in different drug release media, place them in a dialysis bag, take samples at a set time point, and measure H at different concentrations by HPLC-DAD. 2 o 2 D...
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