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Core-shell magnetic poly (lactic-co-glycolic acid) nanosystem for tem-po-spatially controlled release kinetics of multiple components of traditional Chinese medicine formula
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Yue ZHANG1, 2, 3, Chen-chen DING1, 2, 3, Lu WEN1, Gang CHEN1, 2, 3, *
Acta Pharmaceutica Sinica | 2018, 53(12) : 1968 - 1975
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Acta Pharmaceutica Sinica | 2018, 53(12): 1968-1975
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Core-shell magnetic poly (lactic-co-glycolic acid) nanosystem for tem-po-spatially controlled release kinetics of multiple components of traditional Chinese medicine formula
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Yue ZHANG1, 2, 3, Chen-chen DING1, 2, 3, Lu WEN1, Gang CHEN1, 2, 3, *
Affiliations
  • 1. School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China
  • 2. Guangdong Provincial Key Laboratory of Advanced Drug Delivery, Guangdong Pharmaceutical University, Guangzhou 510006, China
  • 3. Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, Guangdong Pharmaceutical University, Guangzhou 510006, China
Published: 2018-12-12 doi: 10.16438/j.0513-4870.2018-0333
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Traditional Chinese medicine (TCM) formula is one of the unique cultural treasures of Chinese. However, only a few studies have been carried out to deliver TCM formula with utilization of nanocarriers. The purpose of this study was to prepare the hydroxypropyl-β-cyclodextrin complex-over-a-poly(lactic-co-glycolic acid) nanoparticle (HP-β-CD-PLGA NP) for co-delivery and sequential release of five main effective ingredients of Danshen and Sanqi to a specific target, which can provide strategies for design of intelligent drug delivery system of TCM formula. PLGA can be employed as scaffolds for sustained release of both hydrophobic and hydrophilic drugs. HP-β-CD could encapsulate the hydrophobic drugs by forming inclusion complexes. Superparamagnetic iron oxide nanoparticles (SPION) embedded inside PLGA nanoparticles that allow a spatio-specific targeting. HP-β-CD inclusion complex was prepared by an unsaturated alcohol solution method. PLGA NP loaded with SPION was obtained through double emulsion-organic solvents evaporation. Then core-shell PLGA nanosystem was formed by co-incubation of the above two materials. The nanoparticulate system was characterized by confocal laser scanning microscopy (CLSM), laser particle size instrument and transmission electron microscope. Magnetic property was determined by magnet adsorption and vibrating sample magnetometer (VSM). Targeted distribution was investigated by cell uptake and sequential release of multiple components was observed by intracellular distribution of fluorescent probes. Release difference of five components between core and shell of HP-β-CD-PLGA NP was measured by high performance liquid chromatography. The results demonstrated that NP had a unique core-shell structure and possessed superpara-magnetism. Magnetic NP could be ingested site-specifically by L929 cells with the aid of magnetic field, and coumarin-6 and rhodamine B were released from NP sequentially in the L929 cells. In vitro release of multiple components of Danshen and Sanqi from NP exhibited double phase time-controlled release kinetics of quick-release shell and sustained-release core. Therefore, the spatio-temporal nanoplatform has a great capacity for unlocking the full therapeutic potential of displaying synergistic efficacy of TCM formula in the formulation design.

traditional Chinese medicine compound formula  /  multi-component  /  nanoparticulate drug delivery system  /  drug release  /  magnetic targeting
Yue ZHANG, Chen-chen DING, Lu WEN, Gang CHEN. Core-shell magnetic poly (lactic-co-glycolic acid) nanosystem for tem-po-spatially controlled release kinetics of multiple components of traditional Chinese medicine formula[J]. Acta Pharmaceutica Sinica, 2018 , 53 (12) : 1968 -1975 . DOI: 10.16438/j.0513-4870.2018-0333
Year 2018 volume 53 Issue 12
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Article Info
doi: 10.16438/j.0513-4870.2018-0333
  • Receive Date:2018-04-12
  • Online Date:2026-01-15
  • Published:2018-12-12
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  • Received:2018-04-12
  • Revised:2018-05-12
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Affiliations
    1. School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China
    2. Guangdong Provincial Key Laboratory of Advanced Drug Delivery, Guangdong Pharmaceutical University, Guangzhou 510006, China
    3. Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, Guangdong Pharmaceutical University, Guangzhou 510006, China
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表12种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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