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Dastgerdi NK, Dastgerdi NK, Bayraktutan H, Costabile G, Atyabi F, Dinarvand R, Longobardi G, Alexander C, Conte C. Enhancing siRNA cancer therapy: Multifaceted strategies with lipid and polymer-based carrier systems. Int J Pharm 2024; 663:124545. [PMID: 39098747 DOI: 10.1016/j.ijpharm.2024.124545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 07/29/2024] [Accepted: 07/30/2024] [Indexed: 08/06/2024]
Abstract
Cancers are increasing in prevalence and many challenges remain for their treatment, such as chemoresistance and toxicity. In this context, siRNA-based therapeutics have many potential advantages for cancer therapies as a result of their ability to reduce or prevent expression of specific cancer-related genes. However, the direct delivery of naked siRNA is hindered by issues like enzymatic degradation, insufficient cellular uptake, and poor pharmacokinetics. Hence, the discovery of a safe and efficient delivery vehicle is essential. This review explores various lipid and polymer-based delivery systems for siRNA in cancer treatment. Both polymers and lipids have garnered considerable attention as carriers for siRNA delivery. While all of these systems protect siRNA and enhance transfection efficacy, each exhibits its unique strengths. Lipid-based delivery systems, for instance, demonstrate high entrapment efficacy and utilize cost-effective materials. Conversely, polymeric-based delivery systems offer advantages through chemical modifications. Nonetheless, certain drawbacks still limit their usage. To address these limitations, combining different materials in formulations (lipid, polymer, or targeting agent) could enhance pharmaceutical properties, boost transfection efficacy, and reduce side effects. Furthermore, co-delivery of siRNA with other therapeutic agents presents a promising strategy to overcome cancer resistance. Lipid-based delivery systems have been demonstrated to encapsulate many therapeutic agents and with high efficiency, but most are limited in terms of the functionalities they display. In contrast, polymeric-based delivery systems can be chemically modified by a wide variety of routes to include multiple components, such as release or targeting elements, from the same materials backbone. Accordingly, by incorporating multiple materials such as lipids, polymers, and/or targeting agents in RNA formulations it is possible to improve the pharmaceutical properties and therapeutic efficacy while reducing side effects. This review focuses on strategies to improve siRNA cancer treatments and discusses future prospects in this important field.
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Affiliation(s)
- Nazgol Karimi Dastgerdi
- Division of Molecular Therapeutics and Formulation, School of Pharmacy, University of Nottingham, NG7 2RD, UK; Department of Pharmaceutics, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Nazanin Karimi Dastgerdi
- Pharmaceutical Sciences Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hulya Bayraktutan
- Division of Molecular Therapeutics and Formulation, School of Pharmacy, University of Nottingham, NG7 2RD, UK
| | | | - Fatemeh Atyabi
- Department of Pharmaceutics, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran; Nanotechnology Research Centre, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran 1417614315, Iran
| | - Rassoul Dinarvand
- Department of Pharmaceutics, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran; Nanotechnology Research Centre, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran 1417614315, Iran.
| | | | - Cameron Alexander
- Division of Molecular Therapeutics and Formulation, School of Pharmacy, University of Nottingham, NG7 2RD, UK
| | - Claudia Conte
- Department of Pharmacy, University of Napoli Federico II, Napoli, Italy.
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Zhao J, Ullah I, Gao B, Guo J, Ren XK, Xia S, Zhang W, Feng Y. Agmatine-grafted bioreducible poly(l-lysine) for gene delivery with low cytotoxicity and high efficiency. J Mater Chem B 2021; 8:2418-2430. [PMID: 32115589 DOI: 10.1039/c9tb02641j] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Bioreducible cationic polymers have gained considerable attention in gene delivery due to their low cytotoxicity and high efficiency. In the present work, we reported a cationic polymer, poly(disulfide-l-lysine)-g-agmatine (denoted as SSL-AG), and evaluated its ability to transfer pEGFP-ZNF580 plasmid (pZNF580) into human umbilical vein endothelial cells (HUVECs). This SSL-AG polymeric carrier efficiently condensed pZNF580 into positively charged particles (<200 nm) through electrostatic interaction. This carrier also exhibited excellent buffering capacity in the physiological environment, good pDNA protection against enzymatic degradation and rapid pDNA release in a highly reducing environment mainly because of the responsive cleavage of disulfide bonds in the polymer backbone. The hemolysis assay and in vitro cytotoxicity assay suggested that the SSL-AG carrier and corresponding gene complexes possessed both good hemocompatibility and great cell viability in HUVECs. The cellular uptake of the SSL-AG/Cy5-oligonucleotide group was 3.6 times that of the poly(l-lysine)/Cy5-oligonucleotide group, and its mean fluorescence intensity value was even higher than that of the PEI 25 kDa/Cy5-oligonucleotide group. Further, the intracellular trafficking results demonstrated that the SSL-AG/Cy5-oligonucleotide complexes exhibited a high nucleus co-localization rate (CLR) value (36.0 ± 2.8%, 3.4 times that of the poly (l-lysine)/Cy5-oligonucleotide group, 1.6 times that of the poly(disulfide-l-lysine)-g-butylenediamine/Cy5-oligonucleotide group) at 24 h, while the endo/lysosomal CLR value was relatively low. This suggested that SSL-AG successfully delivered plasmid into HUVECs with high cellular uptake, rapid endosomal escape and efficient nuclear accumulation owing to the structural advantages of the bioreducible and agmatine groups. In vitro transfection assay also verified the enhanced transfection efficiency in the SSL-AG/pZNF580 group. Furthermore, the results of CCK-8, cell migration and in vitro/vivo angiogenesis assays revealed that pZNF580 delivered by SSL-AG could effectively enhance the proliferation, migration and vascularization of HUVECs. In a word, the SSL-AG polymer has great potential as a safe and efficient gene carrier for gene therapy.
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Affiliation(s)
- Jing Zhao
- School of Chemical Engineering and Technology, Tianjin University, Yaguan Road 135, Tianjin 300350, China. and Collaborative Innovation Center of Chemical Science and Chemical Engineering (Tianjin), Weijin Road 92, Tianjin 300072, China
| | - Ihsan Ullah
- School of Chemical Engineering and Technology, Tianjin University, Yaguan Road 135, Tianjin 300350, China.
| | - Bin Gao
- School of Chemical Engineering and Technology, Tianjin University, Yaguan Road 135, Tianjin 300350, China. and Collaborative Innovation Center of Chemical Science and Chemical Engineering (Tianjin), Weijin Road 92, Tianjin 300072, China
| | - Jintang Guo
- School of Chemical Engineering and Technology, Tianjin University, Yaguan Road 135, Tianjin 300350, China. and Collaborative Innovation Center of Chemical Science and Chemical Engineering (Tianjin), Weijin Road 92, Tianjin 300072, China
| | - Xiang-Kui Ren
- School of Chemical Engineering and Technology, Tianjin University, Yaguan Road 135, Tianjin 300350, China. and Collaborative Innovation Center of Chemical Science and Chemical Engineering (Tianjin), Weijin Road 92, Tianjin 300072, China and Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin 300072, China
| | - Shihai Xia
- Department of Hepatopancreatobiliary and Splenic Medicine, Affiliated Hospital, Logistics University of People's Armed Police Force, Chenglin Road 220, Tianjin 300162, China
| | - Wencheng Zhang
- Department of Physiology and Pathophysiology, Logistics University of People's Armed Police Force, Chenglin Road 220, Tianjin 300162, China
| | - Yakai Feng
- School of Chemical Engineering and Technology, Tianjin University, Yaguan Road 135, Tianjin 300350, China. and Collaborative Innovation Center of Chemical Science and Chemical Engineering (Tianjin), Weijin Road 92, Tianjin 300072, China and Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin 300072, China
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Pérez-Alfonso D, López-López M, López-Cornejo P, Romero-Azogil L, Benito E, García-Martín MDG, García-Calderón CB, Rosado IV, Balestra FR, Huertas P, García-Calderón M, Moyá ML. Properties of polyplexes formed between a cationic polymer derived from l-arabinitol and nucleic acids. NEW J CHEM 2021. [DOI: 10.1039/d1nj00606a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Polyplexes formed between a cationic polymer, PUArab, and both linear and plasmid DNA were studied. The transfection efficiency of PURarab/pDNA was investigated.
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Feijen J. The triangle, in memory of Prof. Sung Wan Kim. J Control Release 2020; 328:962-969. [PMID: 33022329 DOI: 10.1016/j.jconrel.2020.09.049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Accepted: 09/28/2020] [Indexed: 10/23/2022]
Affiliation(s)
- Jan Feijen
- Department of Polymer Chemistry and Biomaterials, TechMed Centre, Faculty of Science and Technology, University of Twente, P.O. Box 217, 7500 AE, Enschede, the Netherlands..
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Lee GJ, Kim TI. Fluorination effect to intermediate molecular weight polyethylenimine for gene delivery systems. J Biomed Mater Res A 2019; 107:2468-2478. [PMID: 31276293 DOI: 10.1002/jbm.a.36753] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Revised: 05/07/2019] [Accepted: 07/01/2019] [Indexed: 01/02/2023]
Abstract
Fluorinated intermediate molecular weight polyethylenimine (FP2ks) with various fluorination degrees was synthesized by conjugation with heptafluorobutyric anhydride and the fluorination effect for gene delivery systems was examined. FP2ks could condense pDNA, forming compact, positively charged, and nano-sized spherical particles. It was thought that their decreased electrostatic interaction with pDNA would be compensated by hydrophobic interaction. The cytotoxicity of FP2ks was increased with the increase of fluorination degree, probably due to the cellular membrane disruption via hydrophobic interaction with FP2ks. The transfection efficiency of highly fluorinated FP2ks was not severely affected in serum condition, assuming their good serum-compatibility. Discrepancy between their higher cellular uptake efficiency and lower transfection efficiency than PEI25k was thought to arise from the formation of compact polyplexes followed by the decreased dissociation of pDNA. It was also suggested that multiple energy-dependent cellular uptake mechanisms and endosome buffering would mediate the transfection of FP2ks.
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Affiliation(s)
- Gyeong Jin Lee
- Department of Biosystems & Biomaterials Science and Engineering, College of Agriculture and Life Sciences, Seoul National University, Gwanak-gu, Seoul, Republic of Korea
| | - Tae-Il Kim
- Department of Biosystems & Biomaterials Science and Engineering, College of Agriculture and Life Sciences, Seoul National University, Gwanak-gu, Seoul, Republic of Korea.,Research Institute of Agriculture and Life Sciences, Seoul National University, Gwanak-gu, Seoul, Republic of Korea
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Xing H, Lu M, Yang T, Liu H, Sun Y, Zhao X, Xu H, Yang L, Ding P. Structure-function relationships of nonviral gene vectors: Lessons from antimicrobial polymers. Acta Biomater 2019; 86:15-40. [PMID: 30590184 DOI: 10.1016/j.actbio.2018.12.041] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2018] [Revised: 11/22/2018] [Accepted: 12/21/2018] [Indexed: 01/13/2023]
Abstract
In recent years, substantial advances have been achieved in the design and synthesis of nonviral gene vectors. However, lack of effective and biocompatible vectors still remains a major challenge that hinders their application in clinical settings. In the past decade, there has been a rapid expansion of cationic antimicrobial polymers, due to their potent, rapid, and broad-spectrum biocidal activity against resistant microbes, and biocompatible features. Given that antimicrobial polymers share common features with nonviral gene vectors in various aspects, such as membrane affinity, functional groups, physicochemical characteristics, and unique macromolecular architectures, these polymers may provide us with inspirations to overcome challenges in the design of novel vectors toward more safe and efficient gene delivery in clinic. Building off these observations, we provide here an overview of the structure-function relationships of polymers for both antimicrobial applications and gene delivery by elaborating some key structural parameters, including functional groups, charge density, hydrophobic/hydrophilic balance, MW, and macromolecular architectures. By borrowing a leaf from antimicrobial agents, great advancement in the development of newer nonviral gene vectors with high transfection efficiency and biocompatibility will be more promising. STATEMENT OF SIGNIFICANCE: The development of gene delivery is still in the preclinical stage for the lack of effective and biocompatible vectors. Given that antimicrobial polymers share common features with gene vectors in various aspects, such as membrane affinity, functional groups, physicochemical characteristics, and unique macromolecular architectures, these polymers may provide us with inspirations to overcome challenges in the design of novel vectors toward more safe and efficient gene delivery in clinic. In this review, we systematically summarized the structure-function relationships of antimicrobial polymers and gene vectors, with which the design of more advanced nonviral gene vectors is anticipated to be further boosted in the future.
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Affiliation(s)
- Haonan Xing
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Mei Lu
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Tianzhi Yang
- Department of Basic Pharmaceutical Sciences, School of Pharmacy, Husson University, Bangor, ME, USA
| | - Hui Liu
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Yanping Sun
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Xiaoyun Zhao
- School of Life Science and Biopharmaceutics, Shenyang Pharmaceutical University, Shenyang, China
| | - Hui Xu
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Li Yang
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China.
| | - Pingtian Ding
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China.
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Ranucci E, Manfredi A. Polyamidoamines: Versatile Bioactive Polymers with Potential for Biotechnological Applications. CHEMISTRY AFRICA-A JOURNAL OF THE TUNISIAN CHEMICAL SOCIETY 2019. [DOI: 10.1007/s42250-019-00046-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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Sun Y, Liu H, Cheng L, Zhu S, Cai C, Yang T, Yang L, Ding P. Thiol Michael addition reaction: a facile tool for introducing peptides into polymer-based gene delivery systems. POLYM INT 2017. [DOI: 10.1002/pi.5490] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Yanping Sun
- School of Pharmacy; Shenyang Pharmaceutical University; Shenyang China
| | - Hui Liu
- School of Pharmacy; Shenyang Pharmaceutical University; Shenyang China
| | - Lin Cheng
- School of Pharmacy; Shenyang Pharmaceutical University; Shenyang China
| | - Shimeng Zhu
- School of Pharmacy; Shenyang Pharmaceutical University; Shenyang China
| | - Cuifang Cai
- School of Pharmacy; Shenyang Pharmaceutical University; Shenyang China
| | - Tianzhi Yang
- Department of Basic Pharmaceutical Sciences; Husson University; Bangor ME USA
| | - Li Yang
- School of Pharmacy; Shenyang Pharmaceutical University; Shenyang China
| | - Pingtian Ding
- School of Pharmacy; Shenyang Pharmaceutical University; Shenyang China
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Sun Y, Xian L, Yu J, Yang T, Zhang J, Yang Z, Jiang J, Cai C, Zhao X, Yang L, Ding P. Structure-Function Correlations of Poly(Amido Amine)s for Gene Delivery. Macromol Biosci 2016; 17. [DOI: 10.1002/mabi.201600297] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2016] [Revised: 08/27/2016] [Indexed: 11/11/2022]
Affiliation(s)
- Yanping Sun
- School of Pharmacy; Shenyang Pharmaceutical University; Shenyang 110016 China
| | - Lei Xian
- School of Pharmacy; Shenyang Pharmaceutical University; Shenyang 110016 China
| | - Jiankun Yu
- School of Pharmacy; Shenyang Pharmaceutical University; Shenyang 110016 China
| | - Tianzhi Yang
- Department of Basic Pharmaceutical Sciences; School of Pharmacy; Husson University; Bangor ME 04401-2929 USA
| | - Jinmin Zhang
- School of Pharmacy; Shenyang Pharmaceutical University; Shenyang 110016 China
| | - Zhen Yang
- School of Pharmacy; Shenyang Pharmaceutical University; Shenyang 110016 China
| | - Jingzheng Jiang
- School of Pharmacy; Shenyang Pharmaceutical University; Shenyang 110016 China
| | - Cuifang Cai
- School of Pharmacy; Shenyang Pharmaceutical University; Shenyang 110016 China
| | - Xiaoyun Zhao
- Department of Microbiology and Cell Biology; School of life Science and Biopharmaceutics; Shenyang Pharmaceutical University; Shenyang 110016 China
| | - Li Yang
- School of Pharmacy; Shenyang Pharmaceutical University; Shenyang 110016 China
| | - Pingtian Ding
- School of Pharmacy; Shenyang Pharmaceutical University; Shenyang 110016 China
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Cui PF, Zhuang WR, Qiao JB, Zhang JL, He YJ, Luo CQ, Jin QR, Xing L, Jiang HL. Histone-inspired biomimetic polymeric gene vehicles with excellent biocompatibility and enhanced transfection efficacy. Polym Chem 2016. [DOI: 10.1039/c6py01703g] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Histone-inspired biomimetic polymeric gene vectors show great biocompatibility and enhanced transfection efficacy.
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Affiliation(s)
- Peng-Fei Cui
- State Key Laboratory of Natural Medicines
- Department of Pharmaceutics
- China Pharmaceutical University
- Nanjing 210009
- China
| | - Wan-Ru Zhuang
- State Key Laboratory of Natural Medicines
- Department of Pharmaceutics
- China Pharmaceutical University
- Nanjing 210009
- China
| | - Jian-Bin Qiao
- State Key Laboratory of Natural Medicines
- Department of Pharmaceutics
- China Pharmaceutical University
- Nanjing 210009
- China
| | - Jia-Liang Zhang
- State Key Laboratory of Natural Medicines
- Department of Pharmaceutics
- China Pharmaceutical University
- Nanjing 210009
- China
| | - Yu-Jing He
- State Key Laboratory of Natural Medicines
- Department of Pharmaceutics
- China Pharmaceutical University
- Nanjing 210009
- China
| | - Cheng-Qiong Luo
- State Key Laboratory of Natural Medicines
- Department of Pharmaceutics
- China Pharmaceutical University
- Nanjing 210009
- China
| | - Qing-Ri Jin
- College of Animal Science and Technology
- Zhejiang A&F University
- Lin'an
- China
| | - Lei Xing
- State Key Laboratory of Natural Medicines
- Department of Pharmaceutics
- China Pharmaceutical University
- Nanjing 210009
- China
| | - Hu-Lin Jiang
- State Key Laboratory of Natural Medicines
- Department of Pharmaceutics
- China Pharmaceutical University
- Nanjing 210009
- China
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