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1.
Journal of Pharmaceutical Practice ; (6): 26-30, 2023.
Article Dans Chinois | WPRIM | ID: wpr-953754

Résumé

Objective To prepare a biomimetic nano carrier macrophage membrane hybrid liposome by heterozygous macrophage membrane and liposome, which could be used for the clearance and toxicity inhibition of Vibrio vulnificus hemolysin A (VvhA). Methods Macrophage membrane was extracted and hybridized with liposome by thin-film evaporation combined extrusion method. The hybridized liposome of macrophage membrane was constructed and characterized. The in vitro detoxification ability of the hybridized vector was evaluated by hemolysis test and cytotoxicity test. The detoxification ability of the vector was evaluated by mouse skin infection model. Results Anti toxoid studies in vivo and in vitro showed that the anti-hemolysis rate of macrophage membrane heterozygous liposomes in vitro reached 97.03%, which could effectively inhibit the skin ulceration in subcutaneous infected mice and make the survival rate of abdominal infected mice reach 80%. Conclusion The constructed macrophage membrane hybrid liposome had high detoxification ability, which could provide a potential solution and research basis for the prevention and treatment of Vibrio vulnificus infection.

2.
Acta Pharmaceutica Sinica B ; (6): 51-63, 2018.
Article Dans Anglais | WPRIM | ID: wpr-771137

Résumé

High-density lipoproteins (HDL) are naturally-occurring nanoparticles that are biocompatible, non-immunogenic and completely biodegradable. These endogenous particles can circulate for an extended period of time and transport lipids, proteins and microRNA from donor cells to recipient cells. Based on their intrinsic targeting properties, HDL are regarded as promising drug delivery systems. In order to produce on a large scale and to avoid blood borne pollution, reconstituted high-density lipoproteins (rHDL) possessing the biological properties of HDL have been developed. This review summarizes the biological properties and biomedical applications of rHDL as drug delivery platforms. It focuses on the emerging approaches that have been developed for the generation of biomimetic nanoparticles rHDL to overcome the biological barriers to drug delivery, aiming to provide an alternative, promising avenue for efficient targeting transport of nanomedicine.

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