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Improving cellular uptake and bioavailability of periplocymarin-linoleic acid prodrug by combining PEGylated liposome.


ABSTRACT: Periplocymarin (PPM), a cardiac glycoside isolated from Cortex periplocae, has a strong anti-tumor effect against various cancer cells. However, cardiotoxicity and rapid metabolism hinder its clinical applications. In this study, small molecule prodrug was integrated into PEGylated liposome to improve the efficiency of periplocymarin in vivo. The periplocymarin-linoleic acid (PL) prodrug was constructed by conjugating the linoleic acid with PPM via esterification, which was further facilitated to form PEGylated liposome (PL-Lip) through film dispersion. Compared with PL self-assembling nano-prodrug (PL-SNP), PL-Lip showed better colloid stability, sustained drug release kinetics, and enhanced cellular uptake by tumor cells. Notably, PL-Lip performed better than PPM and PL-SNP in terms of tumor distribution and pharmacokinetics, which include bioavailability and half-life. Altogether, the prodrug PEGylated liposome represents a good strategy and method for long-circulating and tumor-targeting delivery of periplocymarin with enhanced clinical application prospect.

SUBMITTER: Zhang H 

PROVIDER: S-EPMC9344961 | biostudies-literature | 2022 Dec

REPOSITORIES: biostudies-literature

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Improving cellular uptake and bioavailability of periplocymarin-linoleic acid prodrug by combining PEGylated liposome.

Zhang Huiyun H   Wei Shunru S   Zhang Yu Y   Pan Anran A   Adu-Frimpong Michael M   Sun Congyong C   Qi Gang G  

Drug delivery 20221201 1


Periplocymarin (PPM), a cardiac glycoside isolated from <i>Cortex periplocae</i>, has a strong anti-tumor effect against various cancer cells. However, cardiotoxicity and rapid metabolism hinder its clinical applications. In this study, small molecule prodrug was integrated into PEGylated liposome to improve the efficiency of periplocymarin <i>in vivo</i>. The periplocymarin-linoleic acid (PL) prodrug was constructed by conjugating the linoleic acid with PPM via esterification, which was further  ...[more]

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