Abstract
Background
Phytochemicals and their derivatives are good options to improve treatment efficiency in cancer patients. Artemisinin (ART) and metformin (MET) are widely used phytochemicals to treat various types of cancers. However, their application because of their dose-dependent side effects, and poor bioavailability brings several challenges. Niosome is a novel nanocarrier that is the best choice to encapsulate both lipophilic and hydrophilic drugs. In this study, we synthesized and characterized various formulations of PEGylated (polyethylene glycol) niosomal nanoparticles co-loaded with ART-MET and evaluated their anticancer effect on A549 lung cancer cells.
Methods
Various formulations of PEGylated noisome were prepared by the thin-film hydration method and characterized in size, morphology, release pattern, and physicochemical structure. The cytotoxic effect of the free ART-MET and optimized PEGylated niosomal nanoparticles loaded with ART-MET on A549 cells were evaluated by MTT assay. Furthermore, the Real-time PCR (RT-PCR) technique used to evaluate apoptotic and anti-apoptotic gene expression.
Results
The size, encapsulation efficiency (EE), and polydispersity index (PDI) of the optimized nanoparticles are 256 nm, 95%, and 0.202, respectively. Additionally, due to the PEGylation hydrophilic character, there is a major consideration of the high impact of PEGylation on reducing niosome size. According to the results of the MTT assay, free ART-MET and ART-MET-loaded niosomal nanoparticles showed dose-dependent toxicity and inhibits the growth of A549 lung cancer cells. Furthermore, the RT-PCR results indicated that ART-MET-loaded niosomal nanoparticles have a higher anti-proliferative effect by inhibiting anti-apoptotic and inducing apoptotic gene expression in A549 lung cancer cells.
Conclusions
Our study revealed that the simultaneous use of ART and MET in the optimized PEGylated niosomal nanoparticles delivery system could be an appropriate approach to improve the effectiveness of lung cancer treatment.
Graphical abstract
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Data availability
The data that support the findings of this study are included in the supplementary files.
Abbreviations
- AFM:
-
Atomic force microscopy
- ART:
-
Artemisinin
- Chol:
-
Cholesterol
- DLS:
-
Dynamic light scattering
- EE:
-
Encapsulation efficiency
- FBS:
-
Fetal bovine serum
- FE-SEM:
-
Field emission scanning electron microscopes
- MET:
-
Metformin
- Nio:
-
Niosome
- Nio-ART:
-
Niosome loaded artemisinin
- Nio-MET:
-
Niosome loaded metformin
- PBS:
-
Phosphate-buffered saline
- PDI:
-
Polydispersity index
- PEG:
-
Polyethylene glycol
- TEM:
-
Transmission electron microscopy
- TFH:
-
Thin-film hydration
- WHO:
-
World health organization
- ZP:
-
Zeta potential
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Acknowledgements
We gratefully acknowledge the Tabriz University of Medical Sciences and Islamic Azad University Science and Research Branch of Tehran for all supporting and laboratory facilities for this study.
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We thank the Tabriz University of Medical Sciences for all supporting.
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RS: investigation, validation, methodology, data curation, writing—original draft. DJ-G: supervision, validation, writing—review and editing. ZM and HS: writing—review and editing. NZ: supervision, validation.
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43440_2023_462_MOESM1_ESM.docx
Supplementary file1 Table S1. Optimizing PEGylated-ART-MET-loaded niosomes by D-optimal design used by design expert 12.0.3.0 software. N: noisome, ART: artemisinin, MET: metformin, S: Surfactant type, A: The amount of surfactant (mM), B: The amount of cholesterol (mM), P: The amount of polyethylene glycol (mM), PDI: polydispersity index, EE: encapsulation efficiency (%). Results are presented as mean ± standard deviation; in all niosomal formulations, entrapment efficiency was significantly different from each other p <0.05 (DOCX 13 KB)
43440_2023_462_MOESM2_ESM.docx
Supplementary file2 Table S2. Various formulations of niosomal NPs. F: formulation. S: The amount of surfactant, Ch: The amount of cholesterol, HLB: hydrophilic-lipophilic balance, S/Ch: molar ratio of surfactant to cholesterol. Experiments were carried out three times and the results are presented as mean ± SD (n = 3) (DOCX 12 KB)
43440_2023_462_MOESM3_ESM.docx
Supplementary file3 Table S3. ART-MET-loaded niosomal NPs stability and changes in particle size (nm), entrapment efficiency (EE), and polydispersity index (PDI) at 4 ± 0.5 °c and 25 ± 1 °C during two months. Size (nm), PDI: polydispersity index, EE: entrapment efficiency (DOCX 12 KB)
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Shahbazi, R., Jafari-Gharabaghlou, D., Mirjafary, Z. et al. Design and optimization various formulations of PEGylated niosomal nanoparticles loaded with phytochemical agents: potential anti-cancer effects against human lung cancer cells. Pharmacol. Rep 75, 442–455 (2023). https://doi.org/10.1007/s43440-023-00462-8
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DOI: https://doi.org/10.1007/s43440-023-00462-8