Abstract
Background: Methotrexate (MTX) is the representative drug among the disease- modifying anti-rheumatic drugs. However, the conventional treatment with MTX showed many limitations and side effects.
Objective: To strengthen the targeting ability and circulation time of MTX in the treatment of rheumatoid arthritis, the present study focused on developing a novel drug delivery system of methotrexate-loaded human serum albumin nanoparticles (MTX-NPs) modified by mannose, which are referred to as MTX-M-NPs.
Methods: Firstly, mannose-derived carboxylic acid was synthesized and further modified on the surface of MTX-NPs to prepare MTX-M-NPs. The formulation of nanoparticles was optimized by the method of central composite design (CCD), with the drug lipid ratio, oil-aqueous ratio, and cholesterol or lecithin weight as the independent variables. The average particle size and encapsulation efficiency were the response variables. The response of different formulations was calculated, and the response surface diagram, contour diagram, and mathematical equation were used to relate the dependent and independent variables to predict the optimal formula ratio. The uptake of MTX-M-NPs by neutrophils was studied through confocal laser detection. Further, MTX-M-NPs were subjected to assessment of the pharmacokinetics profile after intravenous injection with Sprague-Dawley rats.
Results: This targeting drug delivery system was successfully developed. Results from Nuclear Magnetic Resonance and Fourier Transform Infrared Spectroscopy analysis can verify the successful preparation of this drug delivery system. Based on the optimized formula, MTX-M-NPs were prepared with a particle size of 188.17 ± 1.71 nm and an encapsulation rate of 95.55 ± 0.33%. MTX-M-NPs displayed significantly higher cellular uptake than MTX-NPs. The pharmacokinetic results showed that MTX-M-NPs could prolong the in vivo circulation time of MTX.
Conclusion: This targeting drug delivery system laid a promising foundation for the treatment of RA.
Keywords: Methotrexate, nano drug delivery system, central composite design, formulation optimization, MTXM- NPs, autoimmune disease.
Current Medicinal Chemistry
Title:Preparation and Formulation Optimization of Methotrexate-loaded Human Serum Albumin Nanoparticles Modified by Mannose
Volume: 28 Issue: 24
Author(s): Zhenyu Chen, Zhongling Luo, Jiayao Lyu, Jianxin Wang, Zhongbing Liu, Jun Wei, Yan Lin*Zhirong Zhong*
Affiliation:
- Department of Pharmaceutical Sciences, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan 646000,China
- Department of Pharmaceutical Sciences, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan 646000,China
Keywords: Methotrexate, nano drug delivery system, central composite design, formulation optimization, MTXM- NPs, autoimmune disease.
Abstract:
Background: Methotrexate (MTX) is the representative drug among the disease- modifying anti-rheumatic drugs. However, the conventional treatment with MTX showed many limitations and side effects.
Objective: To strengthen the targeting ability and circulation time of MTX in the treatment of rheumatoid arthritis, the present study focused on developing a novel drug delivery system of methotrexate-loaded human serum albumin nanoparticles (MTX-NPs) modified by mannose, which are referred to as MTX-M-NPs.
Methods: Firstly, mannose-derived carboxylic acid was synthesized and further modified on the surface of MTX-NPs to prepare MTX-M-NPs. The formulation of nanoparticles was optimized by the method of central composite design (CCD), with the drug lipid ratio, oil-aqueous ratio, and cholesterol or lecithin weight as the independent variables. The average particle size and encapsulation efficiency were the response variables. The response of different formulations was calculated, and the response surface diagram, contour diagram, and mathematical equation were used to relate the dependent and independent variables to predict the optimal formula ratio. The uptake of MTX-M-NPs by neutrophils was studied through confocal laser detection. Further, MTX-M-NPs were subjected to assessment of the pharmacokinetics profile after intravenous injection with Sprague-Dawley rats.
Results: This targeting drug delivery system was successfully developed. Results from Nuclear Magnetic Resonance and Fourier Transform Infrared Spectroscopy analysis can verify the successful preparation of this drug delivery system. Based on the optimized formula, MTX-M-NPs were prepared with a particle size of 188.17 ± 1.71 nm and an encapsulation rate of 95.55 ± 0.33%. MTX-M-NPs displayed significantly higher cellular uptake than MTX-NPs. The pharmacokinetic results showed that MTX-M-NPs could prolong the in vivo circulation time of MTX.
Conclusion: This targeting drug delivery system laid a promising foundation for the treatment of RA.
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Cite this article as:
Chen Zhenyu , Luo Zhongling , Lyu Jiayao , Wang Jianxin, Liu Zhongbing , Wei Jun, Lin Yan *, Zhong Zhirong *, Preparation and Formulation Optimization of Methotrexate-loaded Human Serum Albumin Nanoparticles Modified by Mannose, Current Medicinal Chemistry 2021; 28 (24) . https://dx.doi.org/10.2174/0929867328666210118112640
DOI https://dx.doi.org/10.2174/0929867328666210118112640 |
Print ISSN 0929-8673 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-533X |
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