Hydrophilic Ethylene Glycol Fragments: A Determinant Affecting the Therapeutic Index of Paclitaxel Prodrug Nanoassemblies
2024

Hydrophilic Fragments Improve Paclitaxel Prodrug Nanoassemblies

publication Evidence: moderate

Author Information

Author(s): Li Yaqi, Sun Yixin, Wang Qing, Wang Shuo, Liu Cuiyun, Huang Yuetong, Zhong Wenxin, Wang Xiyan, Wang Wenjing, Zuo Shiyi, Shi Xianbao, Pu Xiaohui, Sun Jin, He Zhonggui, Sun Bingjun

Primary Institution: Wuya College of Innovation, Shenyang Pharmaceutical University

Hypothesis

The insertion of hydrophilic ethylene glycol fragments between modification modules and response modules can enhance the therapeutic index of paclitaxel prodrug nanoassemblies.

Conclusion

Hydrophilic fragments are critical in modulating the therapeutic index of prodrug nanoassemblies, leading to improved drug release and antitumor efficacy.

Supporting Evidence

  • The introduction of hydrophilic fragments improved the redox drug release profiles.
  • PTX-SS-OA NPs exhibited increased redox sensitivity and enhanced cytotoxicity.
  • PTX-SS-OAL NPs showed limited redox sensitivity but better safety.
  • Hydrophilic fragments significantly influenced the assembly performance of prodrug nanoassemblies.

Takeaway

Adding water-loving parts to cancer drugs helps them work better and be safer for patients.

Methodology

The study involved synthesizing two prodrugs, PTX-SS-OA and PTX-SS-OAL, and evaluating their assembly, drug release, and therapeutic index through various assays.

Limitations

The study primarily focused on in vitro results, and further in vivo studies are needed to confirm the findings.

Digital Object Identifier (DOI)

10.1021/acscentsci.4c01004

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