Coating of chitosan on poly D,L-lactic-co-glycolic acid thymoquinone nanoparticles enhances the anti-tumor activity in triple-negative breast cancer

Jingrong Gao, Ankita Kumari, Xin An Zeng, Siewyin Chan, Muhammad Adil Farooq, Mahafooj Alee, Shaheer Hasan Khan, Abdul Rahaman, Shan He, Xiong Xin, Tariq Mehmood

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    Abstract

    Breast cancer is the second most common cancer around the world. Triple-negative breast cancer (TNBC) is characterized by the absence of three receptors: progesterone, estrogen, and human epidermal growth factor-2 receptor (HER2). Various synthetic chemotherapies have gained attention but they caused unwanted side effects. Therefore, some secondary therapies are now becoming famous against this disease. For instance, natural compounds have been extensively researched against many diseases. However, enzymatic degradation and low solubility remain a major concern. To combat these issues, various nanoparticles have been synthesized and optimized from time to time, which increases its solubility and hence therapeutic potential of a particular drug increases. In this study, we have synthesized Poly D,L-lactic-co-glycolic acid (PLGA) loaded thymoquinone (TQ) nanoparticle (PLGA-TQ-NPs) and then coated them by chitosan (CS) (PLGA-CS-TQ-NPs), which was characterized by different methods. Size of non-coated NPs was 105 nm with PDI value of 0.3 and the size of coated NPs was 125 nm with PDI value of 0.4. Encapsulation efficiency (EE%) and Drug loading (DL%) was found to be 70.5 ± 2.33 and 3.38 for non-coated and 82.3 ± 3.11 and 2.66 for coated NPs respectively. We have also analysed their cell viability against MDA-MB-231 and SUM-149 TNBC cell lines. The resultant, nanoformulations exhibit anti-cancerous activity in a dose and time-dependent manner for MDA-MB-231 and SUM-149 cell lines with an IC50 value of (10.31 ± 1.15, 15.60 ± 1.25, 28.01 ± 1.24) and (23.54 ± 1.24, 22.37 ± 1.25, 35 ± 1.27) for TQ free, PLGA-TQ-NPs and PLGA-CS-TQ-NPs respectively. For the first time, we have developed a nanoformulations of PLGA loaded TQ coated with CS NPs (PLGA-CS-TQ-NPs) against TNBC which led to their enhanced anti-cancerous effects.

    Original languageEnglish
    Article number1044953
    Pages (from-to)1-13
    Number of pages13
    JournalFrontiers in Chemistry
    Volume11
    DOIs
    Publication statusPublished - 8 Feb 2023

    Bibliographical note

    Funding Information:
    The study was funded by the National Natural Science Foundation of China (32150410363, 32172348, 31972205); S&T projects of Guangzhou City (project No. 202102020731, 202102080346); the 111 Project (B17018); The S&T Project of Yangjiang (SDZX20200010); the R&D projects in key areas of Guangdong Province (2019B020212004); Guangzhou City University Alliance Fundamental Research Fund (Fund No. 20210210486), and the S&T projects of China’s Ministry (QN2021163001L). The authors are also thankful for the funding provided by the German Research Foundation (DFG, Deutsche Forschungsgemeinschaft) as part of Germany’s Excellence Strategy—EXC 2050/1—Project ID 390696704—Cluster of Excellence, “Centre for Tactile Internet with Human-in-the Loop” (CeTI) of Technische University Dresden.

    Publisher Copyright:
    Copyright © 2023 Gao, Kumari, Zeng, Chan, Farooq, Alee, Khan, Rahaman, He, Xin and Mehmood.

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