ArticleSichuan da xue xue bao. Yi xue ban = Journal of Sichuan University. Medical science edition2021
[Preparation, Characterization and Pharmacokinetic Study of Arginine Deiminase Lipid Nanoparticles].
Article in Sichuan da xue xue bao. Yi xue ban = Journal of Sichuan University. Medical science edition, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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5 authors at 2 institutions in 1 country.
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Abstract
objectiveTo prepare and characterize D-alpha-Tocopheryl polyethylene glycol 1000 succinate (TPGS) modified arginine deiminase (ADI) sulfobutyl-β-Cyclodextrin liposome nanoparticles (ATCL), and to investigate the pharmacokinetic characteristics of ATCL in animals.
methodsThe reverse evaporation method was used to prepare ATCL, and the particle size and Zeta potential of ATCL were measured. Thiosemicarbazone-diacetylmonooxime colorimetric method was used to measure the activity of ADI. After intravenous administration, blood was drawn at set intervals of time and the enzyme activity in the plasma was measured. Enzyme activity-time curve was drawn subsequently and Debris Assessment Software (DAS) 2.1.1 was used to analyze the pharmacokinetic characteristics.
resultsThe particle size and the potential of ATCL were (216.1±13.6) nm and (-19.4±2.1) mV, respectively. The optimal temperature and optimal pH for the catalytic reaction of ADI and ATCL were the same, both being 37 ℃ and pH6.5. Results of the analysis showed that the
conclusionATCL prepared in the study can effectively improve the enzyme activity and bioavailability of ADI in Sprague-Dawley rats.
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