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Zhang G, Wang L, Qiao Y, Zhang F, Sun R, Akkaya EU. Overcoming multidrug resistance by a singlet oxygen releasing camptothecin-endoperoxide. Chem Commun (Camb) 2024; 60:12197-12200. [PMID: 39350695 DOI: 10.1039/d4cc03576c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2024]
Abstract
We made structural modifications on the A-ring of camptothecin (CPT) by incorporating methyl substituents on positions 9 and 12. This allows conversion of the camptothecin-derivative to an endoperoxide (ENDO-CPT). The endoperoxide obtained this way thermally releases singlet oxygen, reverting back to the original 9,12-dimethylcamptothecin (DM-CPT) with a half-life of 1.4 hours at 37 °C. Endoperoxide modification yields a significant improvement in cytotoxicity against MDR-cell lines, compared to both CPT and DM-CPT. It appears that the simultaneous action of singlet oxygen and CPT is highly effective due to the targeting of P-glycoprotein by singlet oxygen.
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Affiliation(s)
- Guangyu Zhang
- State Key Laboratory of Fine Chemicals, Department of Pharmaceutical Engineering, School of Chemical Engineering, Dalian University of Technology, 2 Linggong Road, 116024 Dalian, P. R. China
| | - Lei Wang
- State Key Laboratory of Fine Chemicals, Department of Pharmaceutical Engineering, School of Chemical Engineering, Dalian University of Technology, 2 Linggong Road, 116024 Dalian, P. R. China
| | - Yuan Qiao
- State Key Laboratory of Fine Chemicals, Department of Pharmaceutical Engineering, School of Chemical Engineering, Dalian University of Technology, 2 Linggong Road, 116024 Dalian, P. R. China
| | - Feiyan Zhang
- State Key Laboratory of Fine Chemicals, Department of Pharmaceutical Engineering, School of Chemical Engineering, Dalian University of Technology, 2 Linggong Road, 116024 Dalian, P. R. China
| | - Rensong Sun
- State Key Laboratory of Fine Chemicals, Department of Pharmaceutical Engineering, School of Chemical Engineering, Dalian University of Technology, 2 Linggong Road, 116024 Dalian, P. R. China
| | - Engin U Akkaya
- State Key Laboratory of Fine Chemicals, Department of Pharmaceutical Engineering, School of Chemical Engineering, Dalian University of Technology, 2 Linggong Road, 116024 Dalian, P. R. China
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Hsia Y, Sivasubramanian M, Chu CH, Chuang YC, Lai YK, Lo LW. A Dual Concentration-Tailored Cytokine-Chemo Nanosystem to Alleviate Multidrug Resistance and Redirect Balance of Cancer Proliferation and Apoptosis. Int J Nanomedicine 2023; 18:4253-4274. [PMID: 37534057 PMCID: PMC10392912 DOI: 10.2147/ijn.s412932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 07/19/2023] [Indexed: 08/04/2023] Open
Abstract
Background Cancer multidrug resistance (MDR) is an important factor that severely affects the chemotherapeutic efficacy. Among various methods to bypass MDR, usage of cytokines, such as tumor necrosis factor alpha (TNFα) is attractive, which exerts antitumor effects of immunotherapeutic response and apoptotic/proinflammatory pathways. Nevertheless, the challenges remain how to implement targeted delivery of TNFα to reduce toxicity and manifest the involved signaling mechanism that subdues MDR. Methods We synthesized a multifunctional nanosytem, in which TNFα covalently bound to doxorubicin (Dox)-loaded pH-responsive mesoporous silica nanoparticles (MSN) through bi-functional polyethylene glycol (TNFα-PEG-MSN-Hydrazone-Dox) as a robust design to overcome MDR. Results The salient features of this nanoplatform are: 1) by judicious tailoring of TNFα concentration conjugated on MSN, we observed it could lead to a contrary effect of either proliferation or suppression of tumor growth; 2) the MSN-TNFα at higher concentration serves multiple functions, besides tumor targeting and inducer of apoptosis through extrinsic pathway, it inhibits the expression level of p-glycoprotein (P-gp), a cell membrane protein that functions as a drug efflux pump; 3) the enormous surface area of MSN provides for TNFα functionalization, and the nanochannels accommodate chemotherapeutics, Dox; 4) targeted intracellular release of Dox through the pH-dependent cleavage of hydrazone bonds induces apoptosis by the specific intrinsic pathway; and 5) TNFα-PEG-MSN-Hydrazone-Dox (MSN-Dox-TNFα) could infiltrate deep into the 3D spheroid tumor model through disintegration of tight junction proteins. When administered intratumorally in a Dox-resistant mouse tumor model, MSN-Dox-TNFα exhibited a synergistic therapeutic effect through the collective performances of TNFα and Dox. Conclusion We hereby develop and demonstrate a multifunctional MSN-Dox-TNFα system with concentration-tailored TNFα that can abrogate the drug resistance mechanism, and significantly inhibit the tumor growth through both intrinsic and extrinsic apoptosis pathways, thus making it a highly potential nanomedicine translated in the treatment of MDR tumors.
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Affiliation(s)
- Yu Hsia
- Institute of Biomedical Engineering and Nanomedicine, National Health Research Institutes, Zhunan, Taiwan
- Institute of Biotechnology, National Tsing Hua University, Hsinchu, Taiwan
| | - Maharajan Sivasubramanian
- Institute of Biomedical Engineering and Nanomedicine, National Health Research Institutes, Zhunan, Taiwan
| | - Chia-Hui Chu
- Institute of Biomedical Engineering and Nanomedicine, National Health Research Institutes, Zhunan, Taiwan
| | - Yao-Chen Chuang
- Institute of Biomedical Engineering and Nanomedicine, National Health Research Institutes, Zhunan, Taiwan
- Department of Radiation Oncology, Taipei Medical University Hospital, Taipei, Taiwan
| | - Yiu-Kay Lai
- Institute of Biotechnology, National Tsing Hua University, Hsinchu, Taiwan
| | - Leu-Wei Lo
- Institute of Biomedical Engineering and Nanomedicine, National Health Research Institutes, Zhunan, Taiwan
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Petrikaite V, D'Avanzo N, Celia C, Fresta M. Nanocarriers overcoming biological barriers induced by multidrug resistance of chemotherapeutics in 2D and 3D cancer models. Drug Resist Updat 2023; 68:100956. [PMID: 36958083 DOI: 10.1016/j.drup.2023.100956] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 02/28/2023] [Accepted: 03/07/2023] [Indexed: 03/14/2023]
Abstract
Multidrug resistance (MDR) is currently a big challenge in cancer therapy and limits its success in several patients. Tumors use the MDR mechanisms to colonize the host and reduce the efficacy of chemotherapeutics that are injected as single agents or combinations. MDR mechanisms are responsible for inactivation of drugs and formbiological barriers in cancer like the drug efflux pumps, aberrant extracellular matrix, hypoxic areas, altered cell death mechanisms, etc. Nanocarriers have some potential to overcome these barriers and improve the efficacy of chemotherapeutics. In fact, they are versatile and can deliver natural and synthetic biomolecules, as well as RNAi/DNAi, thus providing a controlled release of drugs and a synergistic effect in tumor tissues. Biocompatible and safe multifunctional biopolymers, with or without specific targeting molecules, modify the surface and interface properties of nanocarriers. These modifications affect the interaction of nanocarriers with cellular models as well as the selection of suitable models for in vitro experiments. MDR cancer cells, and particularly their 2D and 3D models, in combination with anatomical and physiological structures of tumor tissues, can boost the design and preparation of nanomedicines for anticancer therapy. 2D and 3D cancer cell cultures are suitable models to study the interaction, internalization, and efficacy of nanocarriers, the mechanisms of MDR in cancer cells and tissues, and they are used to tailor a personalized medicine and improve the efficacy of anticancer treatment in patients. The description of molecular mechanisms and physio-pathological pathways of these models further allow the design of nanomedicine that can efficiently overcome biological barriers involved in MDR and test the activity of nanocarriers in 2D and 3D models of MDR cancer cells.
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Affiliation(s)
- Vilma Petrikaite
- Laboratory of Drug Targets Histopathology, Institute of Cardiology, Lithuanian University of Health Sciences, Sukilėlių pr. 13, LT-50162 Kaunas, Lithuania; Institute of Biotechnology, Life Sciences Center, Vilnius University, Saulėtekio al. 7, LT-10257 Vilnius, Lithuania.
| | - Nicola D'Avanzo
- Department of Pharmacy, University of Chieti - Pescara "G. d'Annunzio", Via dei Vestini 31, 66100 Chieti, Italy; Department of Experimental and Clinical Medicine, University "Magna Græcia" of Catanzaro Campus Universitario-Germaneto, Viale Europa, 88100 Catanzaro, Italy
| | - Christian Celia
- Laboratory of Drug Targets Histopathology, Institute of Cardiology, Lithuanian University of Health Sciences, Sukilėlių pr. 13, LT-50162 Kaunas, Lithuania; Department of Pharmacy, University of Chieti - Pescara "G. d'Annunzio", Via dei Vestini 31, 66100 Chieti, Italy
| | - Massimo Fresta
- Department of Health Sciences, University of Catanzaro "Magna Graecia", Viale "S. Venuta" s.n.c., 88100 Catanzaro, Italy
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4
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Yang H, Li J, Gu S, Wu Z, Luo L, Chen Y. Fabrication of hexagonal boron carbonitride nanoplates using for in vitro photodynamic therapy and chemo therapy. Colloids Surf B Biointerfaces 2022; 212:112377. [PMID: 35121428 DOI: 10.1016/j.colsurfb.2022.112377] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Revised: 01/14/2022] [Accepted: 01/25/2022] [Indexed: 12/18/2022]
Abstract
Carbon nanomaterials and boron nitride nanomaterials have been proved to be very potential for biomedical applications. However, as an analog of them, boron carbonitride nanomaterials are rarely reported in biomedical field. In this study, the fabrication of visible light-responsive boron carbonitride nanoplates (BCNNPs) and their application in photodynamic therapy and chemo therapy were demonstrated. BCNNPs with an average size of 46 nm were fabricated via hydrogen peroxide treatment from bulk BCN. Cytotoxicity tests showed that the as-prepared BCNNPs are biocompatible and have no cytotoxicity to human breast cancer cells and human hepatocyte carcinoma cells. After conjunction with doxorubicin and folic acid, the BCNNPs were adopted as a targeted drug carrier, presenting pH-responsive release and tumor-targeting property for chemo therapy. Moreover, under certain intensity of visible light irradiation (45 mW/cm2), the BCNNPs can generate reactive oxygen species including superoxide radical, hydroxyl radical and singlet oxygen, so that synergistic photodynamic/chemo therapy effects were achieved. This work may be a groundbreaking discovery for utilizing BCNNPs as photosensitizer for photodynamic therapy and drug carrier for chemo therapy.
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Affiliation(s)
- Huan Yang
- School of Materials Science & Engineering, State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, China; School of Life Sciences, Hainan University, Haikou 570228, China
| | - Jiaxin Li
- School of Materials Science & Engineering, State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, China
| | - Shuidan Gu
- School of Materials Science & Engineering, State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, China
| | - Zhiyu Wu
- School of Sciences, Hainan University, Haikou 570228, China.
| | - Lijie Luo
- School of Materials Science & Engineering, State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, China.
| | - Yongjun Chen
- School of Materials Science & Engineering, State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, China.
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Ding H, Chang J, He F, Gai S, Yang P. Hydrogen Sulfide: An Emerging Precision Strategy for Gas Therapy. Adv Healthc Mater 2022; 11:e2101984. [PMID: 34788499 DOI: 10.1002/adhm.202101984] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 11/06/2021] [Indexed: 12/13/2022]
Abstract
Advances in nanotechnology have enabled the rapid development of stimuli-responsive therapeutic nanomaterials for precision gas therapy. Hydrogen sulfide (H2 S) is a significant gaseous signaling molecule with intrinsic biochemical properties, which exerts its various physiological effects under both normal and pathological conditions. Various nanomaterials with H2 S-responsive properties, as new-generation therapeutic agents, are explored to guide therapeutic behaviors in biological milieu. The cross disciplinary of H2 S is an emerging scientific hotspot that studies the chemical properties, biological mechanisms, and therapeutic effects of H2 S. This review summarizes the state-of-art research on H2 S-related nanomedicines. In particular, recent advances in H2 S therapeutics for cancer, such as H2 S-mediated gas therapy and H2 S-related synergistic therapies (combined with chemotherapy, photodynamic therapy, photothermal therapy, and chemodynamic therapy) are highlighted. Versatile imaging techniques for real-time monitoring H2 S during biological diagnosis are reviewed. Finally, the biosafety issues, current challenges, and potential possibilities in the evolution of H2 S-based therapy that facilitate clinical translation to patients are discussed.
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Affiliation(s)
- He Ding
- Key Laboratory of Superlight Materials and Surface Technology Ministry of Education College of Materials Science and Chemical Engineering Harbin Engineering University Harbin 150001 P. R. China
| | - Jinhu Chang
- Key Laboratory of Superlight Materials and Surface Technology Ministry of Education College of Materials Science and Chemical Engineering Harbin Engineering University Harbin 150001 P. R. China
| | - Fei He
- Key Laboratory of Superlight Materials and Surface Technology Ministry of Education College of Materials Science and Chemical Engineering Harbin Engineering University Harbin 150001 P. R. China
| | - Shili Gai
- Key Laboratory of Superlight Materials and Surface Technology Ministry of Education College of Materials Science and Chemical Engineering Harbin Engineering University Harbin 150001 P. R. China
| | - Piaoping Yang
- Key Laboratory of Superlight Materials and Surface Technology Ministry of Education College of Materials Science and Chemical Engineering Harbin Engineering University Harbin 150001 P. R. China
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Shi C, Huang H, Zhou X, Zhang Z, Ma H, Yao Q, Shao K, Sun W, Du J, Fan J, Liu B, Wang L, Peng X. Reversing Multidrug Resistance by Inducing Mitochondrial Dysfunction for Enhanced Chemo-Photodynamic Therapy in Tumor. ACS APPLIED MATERIALS & INTERFACES 2021; 13:45259-45268. [PMID: 34533937 DOI: 10.1021/acsami.1c12725] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Efficiency of standard chemotherapy is dramatically hindered by intrinsic multidrug resistance (MDR). Recently, to amplify therapeutic efficacy, photodynamic therapy (PDT)-induced mitochondrial dysfunction by decorating targeting moieties on nanocarriers has obtained considerable attention. Nevertheless, low targeting efficiency, complex synthesis routes, and difficulty in releasing contents become the major obstacles in further clinical application. Herein, an ingenious liposomal-based nanomedicine (L@BP) was fabricated by encapsulating a mitochondria-anchored photosensitizer (Cy-Br) and paclitaxel (PTX) for realizing enhanced cooperation therapy. At the cellular level, L@BP could hurdle endosomal traps to localize and implement PDT in mitochondria. Intriguingly, the PDT-induced in situ mitochondrial dysfunction led to intracellular ATP reduction, which triggered the downregulated P-glycoprotein transportation capacity and thus resulted in diminishing the efflux of chemotherapeutic agents and increasing drug uptake by drug-resistant cells. The prepared nanomedicine eminently accumulated in the tumor site and acquired enhanced therapeutic efficiency on PTX-resistant lung cancer cells, which possessed great potential in circumventing MDR tumors.
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Affiliation(s)
- Chao Shi
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2 Linggong Road, Hi-tech Zone, Dalian 116024, P.R. China
| | - Haiqiao Huang
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2 Linggong Road, Hi-tech Zone, Dalian 116024, P.R. China
| | - Xiao Zhou
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2 Linggong Road, Hi-tech Zone, Dalian 116024, P.R. China
| | - Zhen Zhang
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2 Linggong Road, Hi-tech Zone, Dalian 116024, P.R. China
| | - He Ma
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2 Linggong Road, Hi-tech Zone, Dalian 116024, P.R. China
| | - Qichao Yao
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2 Linggong Road, Hi-tech Zone, Dalian 116024, P.R. China
| | - Kun Shao
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2 Linggong Road, Hi-tech Zone, Dalian 116024, P.R. China
| | - Wen Sun
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2 Linggong Road, Hi-tech Zone, Dalian 116024, P.R. China
- Shenzhen Research Institute, Dalian University of Technology, Nanshan District, Shenzhen 518057, P. R. China
| | - Jianjun Du
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2 Linggong Road, Hi-tech Zone, Dalian 116024, P.R. China
- Shenzhen Research Institute, Dalian University of Technology, Nanshan District, Shenzhen 518057, P. R. China
| | - Jiangli Fan
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2 Linggong Road, Hi-tech Zone, Dalian 116024, P.R. China
- Shenzhen Research Institute, Dalian University of Technology, Nanshan District, Shenzhen 518057, P. R. China
| | - Bin Liu
- State Key Laboratory of Fine Chemicals, Shenzhen University, Nanshan District, Shenzhen 518071, P. R. China
| | - Lei Wang
- State Key Laboratory of Fine Chemicals, Shenzhen University, Nanshan District, Shenzhen 518071, P. R. China
| | - Xiaojun Peng
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2 Linggong Road, Hi-tech Zone, Dalian 116024, P.R. China
- Shenzhen Research Institute, Dalian University of Technology, Nanshan District, Shenzhen 518057, P. R. China
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7
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Bonavida B. Sensitizing activities of nitric oxide donors for cancer resistance to anticancer therapeutic drugs. Biochem Pharmacol 2020; 176:113913. [PMID: 32173364 DOI: 10.1016/j.bcp.2020.113913] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Accepted: 03/10/2020] [Indexed: 02/08/2023]
Abstract
Cancer is not a single disease but it constitutes a large variety of different types that are also different from each other phenotypically and molecularly. Although the standard treatments have resulted in clinical responses in a subset of patients, though, many patients relapse and no longer respond to further treatments. Hence, both the innate and adaptive resistance to treatments are the main challenges in today's treatment strategies. Noteworthy, several novel treatment strategies, particularly immunotherapies, used alone or in combination, have been developed and that have significantly improved the therapeutic response of many unresponsive cancer patients. Nevertheless, even with the latest new developments of therapeutics that were effective in a larger subset of patients, there is still an urgent need to treat the remaining unresponsive subset of patients. This requires the development of new targeting agents of superior antitumor activities that will lead to overcoming the unaffected resistance by current treatments. There has been accumulating evidence suggesting nitric oxide donors as such targeting agents and considering their pleiotropic antitumor activities, including both the reversal of chemo and immuno-resistance of various unresponsive resistant cancers. The in vitro and in vivo preclinical findings corroborate the sensitizing antitumor activities of nitric oxide donors. In addition, a few clinical findings with NO donors that have been applied in patients have corroborated their antitumor and sensitizing activities in combination with standard therapies. In this review, the role and underlying mechanisms by which nitric oxide donors sensitize cancer resistant cells to both chemotherapy and immunotherapy are briefly described.
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Affiliation(s)
- Benjamin Bonavida
- Department of Microbiology, Immunology, and Molecular Genetics, David Geffen School of Medicine, University of California, Los Angeles, CA 90095, United States.
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8
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Choudhury H, Pandey M, Yin TH, Kaur T, Jia GW, Tan SQL, Weijie H, Yang EKS, Keat CG, Bhattamishra SK, Kesharwani P, Md S, Molugulu N, Pichika MR, Gorain B. Rising horizon in circumventing multidrug resistance in chemotherapy with nanotechnology. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 101:596-613. [PMID: 31029353 DOI: 10.1016/j.msec.2019.04.005] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Revised: 03/24/2019] [Accepted: 04/02/2019] [Indexed: 02/07/2023]
Abstract
Multidrug resistance (MDR) is one of the key barriers in chemotherapy, leading to the generation of insensitive cancer cells towards administered therapy. Genetic and epigenetic alterations of the cells are the consequences of MDR, resulted in drug resistivity, which reflects in impaired delivery of cytotoxic agents to the cancer site. Nanotechnology-based nanocarriers have shown immense shreds of evidence in overcoming these problems, where these promising tools handle desired dosage load of hydrophobic chemotherapeutics to facilitate designing of safe, controlled and effective delivery to specifically at tumor microenvironment. Therefore, encapsulating drugs within the nano-architecture have shown to enhance solubility, bioavailability, drug targeting, where co-administered P-gp inhibitors have additionally combat against developed MDR. Moreover, recent advancement in the stimuli-sensitive delivery of nanocarriers facilitates a tumor-targeted release of the chemotherapeutics to reduce the associated toxicities of chemotherapeutic agents in normal cells. The present article is focused on MDR development strategies in the cancer cell and different nanocarrier-based approaches in circumventing this hurdle to establish an effective therapy against deadliest cancer disease.
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Affiliation(s)
- Hira Choudhury
- Department of Pharmaceutical Technology, School of Pharmacy, International Medical University, Jalan Jalil Perkasa, Bukit Jalil, 57000, Kuala Lumpur, Malaysia; Centre for Bioactive Molecules and Drug Delivery, Institute for Research, Development and Innovation, International Medical University, 57000, Kuala Lumpur, Malaysia.
| | - Manisha Pandey
- Department of Pharmaceutical Technology, School of Pharmacy, International Medical University, Jalan Jalil Perkasa, Bukit Jalil, 57000, Kuala Lumpur, Malaysia; Centre for Bioactive Molecules and Drug Delivery, Institute for Research, Development and Innovation, International Medical University, 57000, Kuala Lumpur, Malaysia
| | - Tan Hui Yin
- Bachelor of Pharmacy student, School of Pharmacy, International Medical University, Kuala Lumpur 57000, Malaysia
| | - Taasjir Kaur
- Bachelor of Pharmacy student, School of Pharmacy, International Medical University, Kuala Lumpur 57000, Malaysia
| | - Gan Wei Jia
- Bachelor of Pharmacy student, School of Pharmacy, International Medical University, Kuala Lumpur 57000, Malaysia
| | - S Q Lawrence Tan
- Bachelor of Pharmacy student, School of Pharmacy, International Medical University, Kuala Lumpur 57000, Malaysia
| | - How Weijie
- Bachelor of Pharmacy student, School of Pharmacy, International Medical University, Kuala Lumpur 57000, Malaysia
| | - Eric Koh Sze Yang
- Bachelor of Pharmacy student, School of Pharmacy, International Medical University, Kuala Lumpur 57000, Malaysia
| | - Chin Guan Keat
- Bachelor of Pharmacy student, School of Pharmacy, International Medical University, Kuala Lumpur 57000, Malaysia
| | - Subrat Kumar Bhattamishra
- Department of Life Sciences, School of Pharmacy, International Medical University, Kuala Lumpur 57000, Malaysia
| | - Prashant Kesharwani
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, India
| | - Shadab Md
- Department of Pharmaceutics, Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Nagasekhara Molugulu
- Department of Pharmaceutical Technology, School of Pharmacy, International Medical University, Jalan Jalil Perkasa, Bukit Jalil, 57000, Kuala Lumpur, Malaysia; Centre for Bioactive Molecules and Drug Delivery, Institute for Research, Development and Innovation, International Medical University, 57000, Kuala Lumpur, Malaysia
| | - Mallikarjuna Rao Pichika
- Centre for Bioactive Molecules and Drug Delivery, Institute for Research, Development and Innovation, International Medical University, 57000, Kuala Lumpur, Malaysia; Department of Pharmaceutical Chemistry, School of Pharmacy, International Medical University, Kuala Lumpur 57000, Malaysia
| | - Bapi Gorain
- School of Pharmacy, Faculty of Health and Medical Sciences, Taylor's University, Subang Jaya, Selangor 47500, Malaysia.
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Jin Q, Deng Y, Jia F, Tang Z, Ji J. Gas Therapy: An Emerging “Green” Strategy for Anticancer Therapeutics. ADVANCED THERAPEUTICS 2018; 1. [DOI: 10.1002/adtp.201800084] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Indexed: 09/09/2024]
Abstract
AbstractAs an emerging area, gas therapy has attracted more and more attention in treating many diseases including cancer. The fabrication of stimuli‐responsive delivery systems with on‐demand release behavior is very promising for precision gas therapy, which can obtain optimal therapeutic performance without gas poisoning risks. In this review, the authors introduce the recent progress in the preparation of different kinds of gas carriers for efficient delivery of gaseous molecules (NO, H2S, CO, O2). Particularly, in order to achieve targeted accumulation of gaseous molecules in tumor tissues, gaseous molecules–integrated nanoparticles were constructed. Most importantly, by combination of gas therapy with other therapeutic modalities such as chemotherapy, photodynamic therapy (PDT), and radiotherapy, various multifunctional nanocarriers have been designed for synergistic cancer therapy. Especially, the recent developments of multifunctional gas‐carrying nanocarriers for synergistic cancer therapy are discussed in detail.
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Affiliation(s)
- Qiao Jin
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization of Ministry of Education Department of Polymer Science and Engineering Zhejiang University Hangzhou 310027 China
| | - Yongyan Deng
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization of Ministry of Education Department of Polymer Science and Engineering Zhejiang University Hangzhou 310027 China
| | - Fan Jia
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization of Ministry of Education Department of Polymer Science and Engineering Zhejiang University Hangzhou 310027 China
| | - Zhe Tang
- Department of Surgery Second Affiliated Hospital, School of Medicine Zhejiang University Hangzhou 310009 China
| | - Jian Ji
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization of Ministry of Education Department of Polymer Science and Engineering Zhejiang University Hangzhou 310027 China
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Kim J, Yung BC, Kim WJ, Chen X. Combination of nitric oxide and drug delivery systems: tools for overcoming drug resistance in chemotherapy. J Control Release 2017; 263:223-230. [PMID: 28034787 PMCID: PMC5484762 DOI: 10.1016/j.jconrel.2016.12.026] [Citation(s) in RCA: 141] [Impact Index Per Article: 20.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2016] [Accepted: 12/22/2016] [Indexed: 12/11/2022]
Abstract
Chemotherapeutic drugs have made significant contributions to anticancer therapy, along with other therapeutic methods including surgery and radiotherapy over the past century. However, multidrug resistance (MDR) of cancer cells has remained as a significant obstacle in the achievement of efficient chemotherapy. Recently, there has been increasing evidence for the potential function of nitric oxide (NO) to overcome MDR. NO is an endogenous and biocompatible molecule, contrasting with other potentially toxic chemosensitizing agents that reverse MDR effects, which has raised expectations in the development of efficient therapeutics with low side effects. In particular, nanoparticle-based drug delivery systems not only facilitate the delivery of multiple therapeutic agents, but also help bypass MDR pathways, which are conducive for the efficient delivery of NO and anticancer drugs, simultaneously. Therefore, this review will discuss the mechanism of NO in overcoming MDR and recent progress of combined NO and drug delivery systems.
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Affiliation(s)
- Jihoon Kim
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN), National Institute of Biomedical Imaging and Bioengineering (NIBIB), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Bryant C Yung
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN), National Institute of Biomedical Imaging and Bioengineering (NIBIB), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Won Jong Kim
- Department of Chemistry, Pohang University of Science and Technology (POSTECH), 77 Cheongam-ro, Nam-gu, Pohang 790-784, Republic of Korea.; Center for Self-assembly and Complexity, Institute for Basic Science, 77 Cheongam-ro, Nam-gu, Pohang 790-784, Republic of Korea.
| | - Xiaoyuan Chen
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN), National Institute of Biomedical Imaging and Bioengineering (NIBIB), National Institutes of Health (NIH), Bethesda, MD, USA.
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11
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Zhang CG, Yang SD, Zhu WJ, You BG, Liu Y, Yuan ZQ, Chen WL, Li JZ, Zhou XF, Liu C, Zhang XN. Distinctive polymer micelle designed for siRNA delivery and reversal of MDR1 gene-dependent multidrug resistance. J Biomed Mater Res B Appl Biomater 2016; 105:2093-2106. [PMID: 27405391 DOI: 10.1002/jbm.b.33748] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2016] [Revised: 06/09/2016] [Accepted: 06/27/2016] [Indexed: 11/11/2022]
Abstract
P-glycoprotein (P-gp) plays an importantrole in multidrug resistance (MDR), proved to be one of the major obstacles in cancer chemotherapy. Cationic polymers could specifically deliver siRNA to tumor cells and thus reverse MDR by the downregulation of P-gp. In this study, a triblock copolymer micelle was prepared based on the polymer of N-succinyl-chitosan-poly-l-lysine-palmitic acid (NSC-PLL-PA) to deliver siRNA-P-gp (siRNA-micelle) or doxorubicin (Dox-micelle). The resulting micelle exhibited an efficient binding ability for siRNA and high encapsulation efficiency for Dox, with an average particle size of ∼170 nm. siRNA-micelle and Dox-micellewere instable at low pH, thereby enhancing tumor accumulation and intracellular release of the encapsulated siRNA and Dox. siRNA-micelle micelles could enhance the knockdown efficacy of siRNA by improving the transfection efficiency, downregulating P-gp expression, and passing the drug efflux transporters, thereby improving the therapeutic effects of Dox-micelle. However, P-gp could transfer from HepG2/ADM to HepG2 cells independent of the expression of mdr1, and the acquired resistance could permit tumor cells to survive and develop intrinsic P-gp-mediated resistance, thereby limiting the desired efficiency of chemotherapeutics. This study demonstrated the effectiveness of siRNA-micelle for tumor-targeted delivery, MDR reversal, and provided an effective strategy for the treatment of cancers that develop MDR. © 2016 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 105B: 2093-2106, 2017.
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Affiliation(s)
- Chun-Ge Zhang
- Department of Pharmaceutics, College of Pharmaceutical Sciences, Soochow University, Suzhou, People's Republic of China.,The First Affiliated Hospital of Soochow University, Suzhou, People's Republic of China
| | - Shu-di Yang
- Department of Pharmaceutics, College of Pharmaceutical Sciences, Soochow University, Suzhou, People's Republic of China
| | - Wen-Jing Zhu
- Department of Pharmaceutics, College of Pharmaceutical Sciences, Soochow University, Suzhou, People's Republic of China
| | - Ben-Gang You
- Department of Pharmaceutics, College of Pharmaceutical Sciences, Soochow University, Suzhou, People's Republic of China
| | - Yang Liu
- Department of Pharmaceutics, College of Pharmaceutical Sciences, Soochow University, Suzhou, People's Republic of China
| | - Zhi-Qiang Yuan
- Department of Pharmaceutics, College of Pharmaceutical Sciences, Soochow University, Suzhou, People's Republic of China
| | - Wei-Liang Chen
- Department of Pharmaceutics, College of Pharmaceutical Sciences, Soochow University, Suzhou, People's Republic of China
| | - Ji-Zhao Li
- Department of Pharmaceutics, College of Pharmaceutical Sciences, Soochow University, Suzhou, People's Republic of China
| | - Xiao-Feng Zhou
- College of Radiological Medicine and Protection, Soochow University, Suzhou, People's Republic of China.,Changshu Hospital of Traditional Chinese Medicine, Changshu, People's Republic of China
| | - Chun Liu
- The Hospital of Suzhou People's Hospital Affiliated to Nanjing Medical University, Suzhou, People's Republic of China
| | - Xue-Nong Zhang
- Department of Pharmaceutics, College of Pharmaceutical Sciences, Soochow University, Suzhou, People's Republic of China
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12
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Niazi M, Zakeri-Milani P, Najafi Hajivar S, Soleymani Goloujeh M, Ghobakhlou N, Shahbazi Mojarrad J, Valizadeh H. Nano-based strategies to overcome p-glycoprotein-mediated drug resistance. Expert Opin Drug Metab Toxicol 2016; 12:1021-33. [PMID: 27267126 DOI: 10.1080/17425255.2016.1196186] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
INTRODUCTION The discussion about cancer treatment has a long history. Chemotherapy, one of the promising approaches in cancer therapy, is limited in the clinic as plenty of factors evolve and prevent appropriate therapeutic response to drugs. Multi-drug resistance (MDR), which is mostly P-glycoprotein-mediated, is described as the most well-known impediment in this contribution. It extrudes several agents out of cells, arising MDR and decreasing the bioavailability of drugs. Hence, cancer cells become insensitive to chemotherapy. AREAS COVERED Many agents have been developed to reverse MDR, but it is difficult to deliver them into cancer sites and cancer cells. The emerging nano-based drug delivery systems have been more effective to overcome P-glycoprotein-mediated MDR by increasing the intracellular delivery of these agents. Here, we represent systems including siRNA-targeted inhibition of P-gp, monoclonal antibodies, natural extracts, conventional inhibitors, hard nanoparticles and soft nanoparticles as delivery systems in addition to a novel approach applying cell penetrating peptides. EXPERT OPINION Overcoming cancer drug resistance using innovative nanotechnology is being increasingly used and developed. Among resistance mechanisms, drug efflux transporter inhibitors and MDR gene expression silencing are among the those being investigated. In the near future, it seems some of these nanomedical approaches might become the mainstay of effective treatment of important human conditions like cancer.
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Affiliation(s)
- Mehri Niazi
- a Student Research Committee, Faculty of Advanced Medical Sciences and Research Center for Pharmaceutical Nanotechnology , Tabriz University of Medical Sciences , Tabriz , Iran
| | - Parvin Zakeri-Milani
- b Liver and Gastrointestinal Diseases Research Center and Faculty of Pharmacy , Tabriz University of Medical Sciences , Tabriz , Iran
| | - Saeedeh Najafi Hajivar
- a Student Research Committee, Faculty of Advanced Medical Sciences and Research Center for Pharmaceutical Nanotechnology , Tabriz University of Medical Sciences , Tabriz , Iran
| | - Mehdi Soleymani Goloujeh
- a Student Research Committee, Faculty of Advanced Medical Sciences and Research Center for Pharmaceutical Nanotechnology , Tabriz University of Medical Sciences , Tabriz , Iran
| | - Nasrin Ghobakhlou
- a Student Research Committee, Faculty of Advanced Medical Sciences and Research Center for Pharmaceutical Nanotechnology , Tabriz University of Medical Sciences , Tabriz , Iran
| | - Javid Shahbazi Mojarrad
- c Drug Applied Research Center and Faculty of Pharmacy , Tabriz University of Medical Sciences , Tabriz , Iran
| | - Hadi Valizadeh
- c Drug Applied Research Center and Faculty of Pharmacy , Tabriz University of Medical Sciences , Tabriz , Iran
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13
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Zhang CG, Zhu WJ, Liu Y, Yuan ZQ, Yang SD, Chen WL, Li JZ, Zhou XF, Liu C, Zhang XN. Novel polymer micelle mediated co-delivery of doxorubicin and P-glycoprotein siRNA for reversal of multidrug resistance and synergistic tumor therapy. Sci Rep 2016; 6:23859. [PMID: 27030638 PMCID: PMC4814909 DOI: 10.1038/srep23859] [Citation(s) in RCA: 85] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2015] [Accepted: 03/15/2016] [Indexed: 01/11/2023] Open
Abstract
Co-delivery of chemotherapeutics and siRNA with different mechanisms in a single system is a promising strategy for effective cancer therapy with synergistic effects. In this study, a triblock copolymer micelle was prepared based on the polymer of N-succinyl chitosan-poly-L-lysine-palmitic acid (NSC-PLL-PA) to co-deliver doxorubicin (Dox) and siRNA-P-glycoprotein (P-gp) (Dox-siRNA-micelle). Dox-siRNA-micelle was unstable in pH 5.3 medium than in pH 7.4 medium, which corresponded with the in vitro rapid release of Dox and siRNA in acidic environments. The antitumor efficacy of Dox-siRNA-micelle in vitro significantly increased, especially in HepG2/ADM cells, which was due to the downregulation of P-gp. Moreover, almost all the Dox-siRNA-micelles accumulated in the tumor region beyond 24 h post-injection, and the co-delivery system significantly inhibited tumor growth with synergistic effects in vivo. This study demonstrated the effectiveness of Dox-siRNA-micelles in tumor-targeting and MDR reversal, and provided a promising strategy to develop a co-delivery system with synergistic effects for combined cancer therapy.
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MESH Headings
- ATP Binding Cassette Transporter, Subfamily B, Member 1/antagonists & inhibitors
- ATP Binding Cassette Transporter, Subfamily B, Member 1/genetics
- ATP Binding Cassette Transporter, Subfamily B, Member 1/metabolism
- Animals
- Antibiotics, Antineoplastic/pharmacology
- Cell Survival/drug effects
- Combined Modality Therapy/methods
- Doxorubicin/pharmacology
- Drug Delivery Systems/methods
- Drug Liberation
- Drug Resistance, Multiple/drug effects
- Drug Resistance, Multiple/genetics
- Drug Resistance, Neoplasm/drug effects
- Drug Resistance, Neoplasm/genetics
- Female
- Gene Expression
- Hep G2 Cells
- Humans
- Hydrogen-Ion Concentration
- Liver Neoplasms/genetics
- Liver Neoplasms/metabolism
- Liver Neoplasms/pathology
- Liver Neoplasms/therapy
- Mice
- Mice, Nude
- Micelles
- RNA, Small Interfering/genetics
- RNA, Small Interfering/metabolism
- Tumor Burden/drug effects
- Xenograft Model Antitumor Assays
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Affiliation(s)
- Chun-ge Zhang
- Department of Pharmaceutics, College of Pharmaceutical Sciences, Soochow University, Suzhou 215123, People’s Republic of China
- The first affiliated hospital of Soochow university, Suzhou 215123, People’s Republic of China
| | - Wen-jing Zhu
- Department of Pharmaceutics, College of Pharmaceutical Sciences, Soochow University, Suzhou 215123, People’s Republic of China
| | - Yang Liu
- Department of Pharmaceutics, College of Pharmaceutical Sciences, Soochow University, Suzhou 215123, People’s Republic of China
| | - Zhi-qiang Yuan
- Department of Pharmaceutics, College of Pharmaceutical Sciences, Soochow University, Suzhou 215123, People’s Republic of China
| | - Shu-di Yang
- Department of Pharmaceutics, College of Pharmaceutical Sciences, Soochow University, Suzhou 215123, People’s Republic of China
| | - Wei-liang Chen
- Department of Pharmaceutics, College of Pharmaceutical Sciences, Soochow University, Suzhou 215123, People’s Republic of China
| | - Ji-zhao Li
- Department of Pharmaceutics, College of Pharmaceutical Sciences, Soochow University, Suzhou 215123, People’s Republic of China
| | - Xiao-feng Zhou
- College of Radiological Medicine and Protection, Soochow University, Suzhou 215123, People’s Republic of China
- Changshu Hospital of Traditional Chinese Medicine, Changshu 215500, People’s Republic of China
| | - Chun Liu
- The hospital of Suzhou People’s Hospital affiliated to Nanjing Medical University, Suzhou, 215000, People’s Republic of China
| | - Xue-nong Zhang
- Department of Pharmaceutics, College of Pharmaceutical Sciences, Soochow University, Suzhou 215123, People’s Republic of China
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14
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Co-delivery of doxorubicin and paclitaxel with linear-dendritic block copolymer for enhanced anti-cancer efficacy. Sci China Chem 2014. [DOI: 10.1007/s11426-014-5078-y] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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15
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El-Dakdouki MH, Xia J, Zhu DC, Kavunja H, Grieshaber J, O’Reilly S, McCormick JJ, Huang X. Assessing the in vivo efficacy of doxorubicin loaded hyaluronan nanoparticles. ACS APPLIED MATERIALS & INTERFACES 2014; 6:697-705. [PMID: 24308364 PMCID: PMC3912576 DOI: 10.1021/am404946v] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Magnetic nanoparticles are attractive platforms for biomedical applications including diagnosis and treatment of diseases. We have shown previously that hyaluronan-coated superparamagnetic iron oxide nanoparticles (HA-SPIONs) enhanced the efficacy of the conjugated anticancer drug doxorubicin (DOX) in vitro against drug-sensitive and drug-resistant human ovarian cancer cells. In this manuscript, we report our findings on the efficacy of DOX loaded HA-SPIONs in vivo using subcutaneous and intraperitoneal SKOV-3 ovarian tumor models in nude mice. The accumulation of the nanoparticles in subcutaneous tumors following an intravenous nanoparticle administration was confirmed by magnetic resonance imaging, and its distribution in the tumors was evaluated by confocal microscopy and Prussian blue staining. DOX delivered by nanoparticles accumulated at much higher levels and distributed wider in the tumor tissue than intravenously injected free DOX, leading to significant reduction of tumor growth. The IVIS Spectrum for in vivo bioluminescence imaging was used to aid in therapy assessment of the DOX-loaded nanoparticles on intraperitoneal ovarian tumors formed by firefly luciferase expressing human ovarian SKOV-3 cells. DOX-loaded HA-SPIONs significantly reduced tumor growth, delayed tumor development, and extended the survival of mice. Thus, utilizing HA-SPIONs as drug delivery vehicles constitutes a promising approach to tackle CD44 expressing ovarian cancer.
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Affiliation(s)
- Mohammad H. El-Dakdouki
- Department of Chemistry, Beirut Arab University, Beirut, Lebanon. Tel: +961-7-985858, ext 3320
- Department of Chemistry, Chemistry Building, Room 426, 578 S. Shaw Lane, Michigan State University, East Lansing, Michigan, 48824 USA. Tel: +1-517-355-9715, ext 329; Fax: +1-517-353-1793
| | - Jingguang Xia
- Department of Chemistry, Chemistry Building, Room 426, 578 S. Shaw Lane, Michigan State University, East Lansing, Michigan, 48824 USA. Tel: +1-517-355-9715, ext 329; Fax: +1-517-353-1793
| | - David C. Zhu
- Departments of Radiology and Psychology, Michigan State University, East Lansing, Michigan, 48824 USA
| | - Herbert Kavunja
- Department of Chemistry, Chemistry Building, Room 426, 578 S. Shaw Lane, Michigan State University, East Lansing, Michigan, 48824 USA. Tel: +1-517-355-9715, ext 329; Fax: +1-517-353-1793
| | - Jessica Grieshaber
- Department of Chemistry, Chemistry Building, Room 426, 578 S. Shaw Lane, Michigan State University, East Lansing, Michigan, 48824 USA. Tel: +1-517-355-9715, ext 329; Fax: +1-517-353-1793
| | - Sandra O’Reilly
- Carcinogenesis Laboratory, Department of Microbiology & Molecular Genetics, Michigan State University, East Lansing, Michigan 48824, USA
- Research Technology and Support Facility, Imaging-IVIS, Biomedical and Physical Sciences Building, Michigan State University, East Lansing, Michigan 48824, USA
| | - J. Justin McCormick
- Carcinogenesis Laboratory, Department of Microbiology & Molecular Genetics, Michigan State University, East Lansing, Michigan 48824, USA
| | - Xuefei Huang
- Department of Chemistry, Chemistry Building, Room 426, 578 S. Shaw Lane, Michigan State University, East Lansing, Michigan, 48824 USA. Tel: +1-517-355-9715, ext 329; Fax: +1-517-353-1793
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16
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Livney YD, Assaraf YG. Rationally designed nanovehicles to overcome cancer chemoresistance. Adv Drug Deliv Rev 2013; 65:1716-30. [PMID: 23954781 DOI: 10.1016/j.addr.2013.08.006] [Citation(s) in RCA: 155] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2013] [Accepted: 08/08/2013] [Indexed: 02/07/2023]
Abstract
Drug resistance is a primary hindrance towards curative cancer chemotherapy. Nanotechnology holds great promise in establishing efficacious and innovative strategies to overcome chemoresistance, and markedly facilitate complementary treatments and cancer diagnostics. Various nanomedical devices are being introduced and evaluated, demonstrating encouraging results. While stealth liposomes serve as a benchmark, astonishing progress is witnessed in polymeric nanovehicles, sometimes combined with low molecular weight surfactants, some of which inhibit drug resistance in addition to solubilizing drugs. Cutting edge multifunctional or quadrugnostic nanoparticles currently developed offer simultaneous targeted delivery of chemotherapeutics and chemosensitizers or drug-resistance gene silencing cargo, along with diagnostic imaging agents, like metallic NPs. Viral and cellular components offer exciting new routes for cancer targeting and treatment. Targeting intracellular compartments is another challenging frontier spawning pioneering approaches and results. To further enhance rational design of nanomedicine for overcoming drug resistance, we review the latest thoughts and accomplishments in recent literature.
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18
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Drug resistance to chlorambucil in murine B-cell leukemic cells is overcome by its conjugation to a targeting peptide. Anticancer Drugs 2013. [PMID: 23187462 DOI: 10.1097/cad.0b013e32835bb17a] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Targeting drugs through small-molecule carriers with a high affinity to receptors on cancer cells can overcome the lack of target cell specificity of most anticancer drugs. These targeted carrier-drug conjugates are also capable of reversing drug resistance in cancer cells. Although many targeted drug delivery approaches are being tested, the linkage of several and different drugs to a single carrier molecule might further enhance their therapeutic efficacy, particularly if the drugs are engineered for variable time release. This report shows that murine B-cell leukemic cells previously resistant to a chemotherapeutic drug can be made sensitive to that drug as long as it is conjugated to a targeting peptide and, in particular, when the conjugate contains multiple copies of the drug. Using a 13mer peptide (VHFFKNIVTPRTP) derived from the myelin basic protein (p-MBP), dendrimer-based peptide conjugates containing one, two, or four molecules of chlorambucil were synthesized. Although murine hybridomas expressing antibodies to either p-MBP (MBP cells) or a nonrelevant antigen (BCL-1 cells) were both resistant to free chlorambucil, exposure of the cells to the p-MBP-chlorambucil conjugate completely reversed the drug resistance in MBP, but not BCL-1 cells or normal spleen cells. Moreover, at equivalent drug doses, there was significant enhancement in the cytotoxic activity of multidrug versus single-drug copy conjugates. On the basis of these results, the use of multifunctional dendrone linkers bearing several covalently bound cytotoxic agents allows the development of more effective targeted drug systems and enhances the efficacy of currently approved drugs for B-cell leukemia.
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