» Articles » PMID: 36320859

Functional Block Copolymer Micelles Based on Poly (jasmine Lactone) for Improving the Loading Efficiency of Weakly Basic Drugs

Overview
Journal RSC Adv
Specialty Chemistry
Date 2022 Nov 2
PMID 36320859
Authors
Affiliations
Soon will be listed here.
Abstract

Functionalization of polymers is an attractive approach to introduce specific molecular forces that can enhance drug-polymer interaction to achieve higher drug loading when used as drug delivery systems. The novel amphiphilic block copolymer of methoxy poly(ethylene glycol) and poly(jasmine lactone) , mPEG--PJL, derived from renewable jasmine lactone provides free allyl groups on the backbone thus, allowing flexible and facile post-synthesis functionalization. In this study, mPEG--PJL and its carboxyl functionalized polymer mPEG--PJL-COOH were utilised to explore the effect of ionic interactions on the drug-polymer behaviour. Various drugs with different p values were employed to prepare drug-loaded polymeric micelles (PMs) of mPEG--PJL, mPEG--PJL-COOH and Soluplus® (polyvinyl caprolactam-polyvinyl acetate-polyethylene glycol graft copolymer) a nanoprecipitation method. Electrostatic interactions between the COOH pendant on mPEG--PJL-COOH and the basic drugs were shown to influence the entrapment efficiency. Additionally, molecular dynamics (MD) simulations were employed to understand the polymer-drug interactions at the molecular level and how polymer functionalization influenced these interactions. The release kinetics of the anti-cancer drug sunitinib from mPEG--PJL and mPEG--PJL-COOH was assessed, and it demonstrated a sustainable drug release pattern, which depended on both pH and temperature. Furthermore, the cytotoxicity of sunitinib-loaded micelles on cancer cells was evaluated. The drug-loaded micelles exhibited dose-dependent toxicity. Also, haemolysis capacity of these polymers was investigated. In summary, polymer functionalization seems a promising approach to overcome challenges that hinder the application of polymer-based drug delivery systems such as low drug loading degree.

Citing Articles

Reactive Oxygen Species-Regulated Conjugates Based on Poly(jasmine) Lactone for Simultaneous Delivery of Doxorubicin and Docetaxel.

Verma J, Kumar V, Wilen C, Rosenholm J, Bansal K Pharmaceutics. 2024; 16(9).

PMID: 39339200 PMC: 11434831. DOI: 10.3390/pharmaceutics16091164.


Advancement in Solubilization Approaches: A Step towards Bioavailability Enhancement of Poorly Soluble Drugs.

Kumari L, Choudhari Y, Patel P, Gupta G, Singh D, Rosenholm J Life (Basel). 2023; 13(5).

PMID: 37240744 PMC: 10221903. DOI: 10.3390/life13051099.

References
1.
Liu J, Lee H, Allen C . Formulation of drugs in block copolymer micelles: drug loading and release. Curr Pharm Des. 2006; 12(36):4685-701. DOI: 10.2174/138161206779026263. View

2.
Ghosh B, Biswas S . Polymeric micelles in cancer therapy: State of the art. J Control Release. 2021; 332:127-147. DOI: 10.1016/j.jconrel.2021.02.016. View

3.
Zheng S, Xie Y, Li Y, Li L, Tian N, Zhu W . Development of high drug-loading nanomicelles targeting steroids to the brain. Int J Nanomedicine. 2014; 9:55-66. PMC: 3872275. DOI: 10.2147/IJN.S52576. View

4.
Shih Y, Peng C, Chiang P, Shieh M . Dual-Functional Polymeric Micelles Co-Loaded with Antineoplastic Drugs and Tyrosine Kinase Inhibitor for Combination Therapy in Colorectal Cancer. Pharmaceutics. 2022; 14(4). PMC: 9030189. DOI: 10.3390/pharmaceutics14040768. View

5.
Kost B, Gonciarz W, Krupa A, Socka M, Rogala M, Biela T . pH-tunable nanoparticles composed of copolymers of lactide and allyl-glycidyl ether with various functionalities for the efficient delivery of anti-cancer drugs. Colloids Surf B Biointerfaces. 2021; 204:111801. DOI: 10.1016/j.colsurfb.2021.111801. View