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image of DSPE-mPEG2000-Modified Podophyllotoxin Long-Circulating Liposomes for Targeted Delivery: Their Preparation, Characterization, and Evaluation

Abstract

Objective

DSPE-mPEG2000 is a phospholipid and polyethylene glycol conjugate used in various biomedical applications, including drug delivery, gene transfection, and vaccine delivery. Due to the hydrophilic and hydrophobic properties of DSPE-mPEG2000, it can serve as a drug carrier, encapsulating drugs in liposomes to enhance stability and efficacy.

Method

In this study, long-circulating podophyllotoxin liposomes (Lc-PTOX-Lps) were prepared using DSPE-mPEG2000 as a modifying material and evaluated for their pharmacokinetics and anticancer activity.

Result

Lc-PTOX-Lps had an encapsulation rate of 87.11±1.77%, an average particle size of 168.91±7.07 nm, a polydispersity index (PDI) of 0.19±0.04, and a zeta potential of -24.37±0.36 mV. release studies showed that Lc-PTOX-Lps exhibited a significant slow-release effect. The long-circulating liposomes demonstrated better stability compared to normal liposomes and exhibited a significant slow-release profile. Pharmacokinetic studies indicated that Lc-PTOX-Lps had a prolonged half-life, reduced clearance, and improved bioavailability. Additionally, Lc-PTOX-Lps exhibited better anticancer effects on MCF-7 cells and lower toxicity to normal cells compared to PTOX.

Conclusion

Lc-PTOX-Lps were synthesized using a simple and effective method, and Lc-PTOX-Lps are promising anticancer agents.

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2025-01-02
2025-04-24

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DSPE-mPEG2000-Modified Podophyllotoxin Long-Circulating Liposomes for Targeted Delivery: Their Preparation, Characterization, and Evaluation
Bentham Science Publishers ; https://doi.org/10.2174/0115672018356666241224052638
/content/journals/cdd/10.2174/0115672018356666241224052638
/content/journals/cdd/10.2174/0115672018356666241224052638
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  • Article Type:     Research Article
Keywords: Podophyllotoxin ; Pharmacokinetics ; Cancer therapy ; liposomes ; DSPE-mPEG2000

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