Macrophage membrane coated and loaded TRAF7 nanoparticles and application thereof in non-alcoholic fatty liver disease

Through the macrophage membrane-coated nanoparticles loaded with TRAF7, the existing drugs for the treatment of non-alcoholic fatty liver disease have been solved, and efficient targeting and genetic intervention in the lesion site has been achieved, effectively inhibiting the progress of the disease and having good biosafety.

CN119679756AInactive Publication Date: 2025-03-25CHONGQING MEDICAL UNIVERSITY
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Patent Information

Application Number
CN202411895447.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-22
Publication Date
2025-03-25
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing drugs used to treat non-alcoholic fatty liver disease have limited efficacy and have great side effects. They have not been approved by the U.S. Food and Drug Administration, and it is urgent to develop effective therapeutic drugs.

Method used

The nanoparticles coated with TRAF7-loaded nanoparticles coated with macrophage membrane were prepared by the polylactic acid-glycolic acid copolymer PLGA as a nanocarrier and the TRAF7-shRNA plasmid with a specific promoter, and the nanoparticles coated with the macrophage membrane were prepared to obtain the nanoparticles coated by macrophage membrane.

Benefits of technology

The efficient targeting of PLGA-shTRAF7 and MM/PLGA-shTRAF7 in non-alcoholic fatty liver lesions was achieved, which enhanced the gene intervention effect, effectively inhibited the progress of non-alcoholic fatty liver disease, and had good biosafety.

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Abstract

The invention provides a nanoparticle coated with a macrophage membrane and loaded with TRAF7 and an application of the nanoparticle in non-alcoholic fatty liver disease. According to the invention, a polylactic acid-glycolic acid copolymer (PLGA) is used as a nano-carrier, a TRAF7-shRNA plasmid with a specific promoter is loaded, and then the MM / PLGA-shTRAF7 is prepared by coating with a macrophage membrane. According to the invention, PLGA-shTRAF7 and MM / PLGA-shTRAF7 can be recruited to a non-alcoholic fatty liver disease lesion part, so that the accumulation of PLGA-shTRAF7 and MM / PLGA-shTRAF7 in the lesion part is increased, the gene intervention effect is enhanced, the efficient targeting function of the non-alcoholic fatty liver disease lesion part is realized, the progress of the non-alcoholic fatty liver disease can be effectively inhibited, and good biological safety is achieved.
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