1
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Nehru S, Vergaelen M, Hoogenboom R, Sundaramurthy A. Echogenic Gold Nanorod Incorporated Hybrid Poly(2-oxazoline) Nanocapsules for Real-Time Ultrasound/Fluorescent Imaging and Targeted Cancer Theranostics. ACS APPLIED BIO MATERIALS 2024; 7:4471-4485. [PMID: 38887037 DOI: 10.1021/acsabm.4c00348] [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] [Indexed: 06/20/2024]
Abstract
In recent years, various nanocarrier systems have been explored to enhance the targeting of cancer cells by improving the ligand-receptor interactions between the nanocarrier and cancer cells for selective cancer cell imaging and targeted delivery of anticancer drugs. Herein, we report multifunctional hydrogen-bonded multilayer nanocapsules functionalized with both folic acid-derived quantum dots (FAQDs) and gold nanorods (AuNRs) for targeted cancer therapy and cancer cell imaging using fluorescence microscopy and medical-range ultrasound imaging systems. The encapsulation efficiency of nanocapsules was found to be 49% for 5-fluorouracil (5-FU). The release percentage reached a plateau at 37% after 1 h at pH 7.4 and increased to 57% after 3 h when the release pH was decreased to pH 5.5 (i.e., the pH of the tumor environment). Under ultrasound irradiation, the release was significantly accelerated, with a total release of 52% and 68% after only 6 min at pH 7.4 and pH 5.5, respectively. While the sonoporation process plays an important role in anticancer activity experiments under ultrasound exposure by generating temporary pores, the targeting ability of FAQDs brings the capsules closer to the cell membrane and improves the cellular uptake of the released drug, thereby increasing local drug concentration. In vitro cytotoxicity experiments with HCT-116 and HEp-2 cells demonstrated anticancer activities of 96% and 98%, respectively. The nanocapsules showed enhanced ultrasound scattering signal intensity and bright spots under ultrasound exposure, most likely caused by high scattering ability and internal reflections of preloaded AuNRs in the interior structure of the nanocapsules. Hence, the demonstrated nanocapsule system not only has the potential to be used as an integrated system for early- stage detection and treatment of cancer cells but also has the ability for live tracking and imaging of cancer cells while undergoing treatment with chemotherapy and radiation therapy.
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Affiliation(s)
- Sangamithra Nehru
- Department of Physics and Nanotechnology, SRM Institute of Science and Technology, Kattankulathur, Chengalpattu, Tamil Nadu 603203, India
- Biomaterials Research Laboratory (BMRL), Department of Chemical Engineering, College of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, Chengalpattu, Tamil Nadu 603203, India
| | - Maarten Vergaelen
- Department of Organic and Macromolecular Chemistry, Centre of Macromolecular Chemistry (CMaC), Ghent University, Ghent 9000, Belgium
| | - Richard Hoogenboom
- Department of Organic and Macromolecular Chemistry, Centre of Macromolecular Chemistry (CMaC), Ghent University, Ghent 9000, Belgium
| | - Anandhakumar Sundaramurthy
- Biomaterials Research Laboratory (BMRL), Department of Chemical Engineering, College of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, Chengalpattu, Tamil Nadu 603203, India
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2
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Yamashita S, Imanishi A, Ueki S, Okamoto S, Kimura S, Kiriyama A. Pharmacokinetic-Pharmacodynamic Analysis of pH-Responsive Doxorubicin-Releasing Micelles with Anticancer Activity. Mol Pharm 2024; 21:3173-3185. [PMID: 38798088 DOI: 10.1021/acs.molpharmaceut.3c01171] [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] [Indexed: 05/29/2024]
Abstract
This study aimed to investigate the effect of in vivo pH-responsive doxorubicin (DOX) release and the targetability of pilot molecules in folic acid (FA)-modified micelles using a pharmacokinetic-pharmacodynamic (PK-PD) model. The time profiles of intratumoral DOX concentrations in Walker256 tumor-bearing rats were monitored using a microdialysis probe, followed by compartmental analysis, to evaluate intratumoral tissue pharmacokinetics. Maximal DOX was released from micelles 350 min after the administration of pH-responsive DOX-releasing micelles. However, FA modification of the micelles shortened the time to peak drug concentration to 150 min. Additionally, FA modification resulted in a 27-fold increase in the tumor inflow rate constant. Walker256 tumor-bearing rats were subsequently treated with DOX, pH-responsive DOX-releasing micelles, and pH-responsive DOX-releasing FA-modified micelles to monitor the tumor growth-time profiles. An intratumoral threshold concentration of DOX (55-64 ng/g tumor) was introduced into the drug efficacy compartment to construct a PD model, followed by PK-PD analysis of the tumor growth-time profiles. Similar results of threshold concentration and drug potency of DOX were obtained across all three formulations. Cell proliferation was delayed as the drug delivery ability of DOX was improved. The PK model, which was developed using the microdialysis method, revealed the intratumoral pH-responsive DOX distribution profiles. This facilitated the estimation of intratumoral PK parameters. The PD model with threshold concentrations contributed to the estimation of PD parameters in the three formulations, with consistent mechanisms observed. We believe that our PK-PD model can objectively assess the contributions of pH-responsive release ability and pilot molecule targetability to pharmacological effects.
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Affiliation(s)
- Shugo Yamashita
- Department of Pharmacokinetics, Faculty of Pharmaceutical Sciences, Doshisha Women's College of Liberal Arts, Kyotanabe, Kyoto 610-0395, Japan
| | - Azusa Imanishi
- Department of Pharmacokinetics, Faculty of Pharmaceutical Sciences, Doshisha Women's College of Liberal Arts, Kyotanabe, Kyoto 610-0395, Japan
| | - Suzuna Ueki
- Department of Pharmacokinetics, Faculty of Pharmaceutical Sciences, Doshisha Women's College of Liberal Arts, Kyotanabe, Kyoto 610-0395, Japan
| | - Serina Okamoto
- Department of Pharmacokinetics, Faculty of Pharmaceutical Sciences, Doshisha Women's College of Liberal Arts, Kyotanabe, Kyoto 610-0395, Japan
| | - Shunsuke Kimura
- Department of Pharmacokinetics, Faculty of Pharmaceutical Sciences, Doshisha Women's College of Liberal Arts, Kyotanabe, Kyoto 610-0395, Japan
| | - Akiko Kiriyama
- Department of Pharmacokinetics, Faculty of Pharmaceutical Sciences, Doshisha Women's College of Liberal Arts, Kyotanabe, Kyoto 610-0395, Japan
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3
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Doxorubicin-loaded polymeric micelles decorated with nitrogen-doped carbon dots for targeted breast cancer therapy. J Drug Deliv Sci Technol 2023. [DOI: 10.1016/j.jddst.2022.104055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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4
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A comparative evaluation of anti-tumor activity following oral and intravenous delivery of doxorubicin in a xenograft model of breast tumor. JOURNAL OF PHARMACEUTICAL INVESTIGATION 2022. [DOI: 10.1007/s40005-022-00595-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Abstract
Purpose
Natural materials have been extensively studied for oral drug delivery due to their biodegradability and other unique properties. In the current research, we fabricated sodium caseinate nanomicelles (NaCNs) using casein as a natural polymer to develop a controlled-release oral delivery system that would improve the therapeutic potential of doxorubicin (DOX) and reduce its toxicity.
Methods
DOX-loaded NaCNs were synthesized and thoroughly characterized, then subjected to in vivo anti-tumor evaluation and bio-distribution analysis in a 4T1-induced breast cancer model.
Results
Our findings indicated that the tumor would shrink by eight-fold in the group orally treated with DOX-NaCNs when compared to free DOX. The tumor accumulated drug 1.27-fold more from the orally administered DOX-NaCNs compared to the intravenously administered DOX-NaCNs, 6.8-fold more compared to free DOX, and 8.34-times more compared to orally administered free DOX. In comparison, the orally administered DOX-NaCNs lead to a significant reduction in tumor size (5.66 ± 4.36 mm3) compared to intravenously administered DOX-NaCNs (10.29 ± 4.86 mm3) on day 17 of the experiment. NaCNs were well tolerated at a single dose of 2000 mg/kg in an acute oral toxicity study.
Conclusion
The enhanced anti-tumor effects of oral DOX-NaCNs might be related to the controlled release of DOX from the delivery system when compared to free DOX and the intravenous formulation of DOX-NaCNs. Moreover, NaCNs is recognized as a safe and non-toxic delivery system with excellent bio-distribution profile and high anti-tumor effects that has a potential for oral chemotherapy.
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5
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Butt AM, Abdullah N, Rani NNIM, Ahmad N, Amin MCIM. Endosomal Escape of Bioactives Deployed via Nanocarriers: Insights Into the Design of Polymeric Micelles. Pharm Res 2022; 39:1047-1064. [PMID: 35619043 DOI: 10.1007/s11095-022-03296-w] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Accepted: 05/17/2022] [Indexed: 10/18/2022]
Abstract
Cytoplasmic delivery of bioactives requires the use of strategies such as active transport, electroporation, or the use of nanocarriers such as polymeric nanoparticles, liposomes, micelles, and dendrimers. It is essential to deliver bioactive molecules in the cytoplasm to achieve targeted effects by enabling organelle targeting. One of the biggest bottlenecks in the successful cytoplasmic delivery of bioactives through nanocarriers is their sequestration in the endosomes that leads to the degradation of drugs by progressing to lysosomes. In this review, we discussed mechanisms by which nanocarriers are endocytosed, the mechanisms of endosomal escape, and more importantly, the strategies that can be and have been employed for their escape from the endosomes are summarized. Like other nanocarriers, polymeric micelles can be designed for endosomal escape, however, a careful control is needed in their design to balance between the possible toxicity and endosomal escape efficiency. Keeping this in view, polyion complex micelles, and polymers that have the ability to escape the endosome, are fully discussed. Finally, we provided some perspectives for designing the polymeric micelles for efficient cytoplasmic delivery of bioactive agents through endosomal escape.
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Affiliation(s)
- Adeel Masood Butt
- Institute of Pharmaceutical Sciences, University of Veterinary and Animal Sciences, Lahore, 54000, Pakistan.
| | - Nabiha Abdullah
- Department of Pharmacy, Quaid-i-Azam University, 45320, Islamabad, Pakistan.,Department of Chemistry, Quaid-i-Azam University, 45320, Islamabad, Pakistan
| | - Nur Najihah Izzati Mat Rani
- Faculty of Pharmacy and Health Sciences, Universiti Kuala Lumpur Royal College of Medicine Perak, 30450, Ipoh, Perak, Malaysia.,Centre for Drug Delivery Technology, Faculty of Pharmacy, Universiti Kebangsaan Malaysia, Jalan Raja Muda Abdul Aziz, 50300, Kuala Lumpur, Malaysia
| | - Naveed Ahmad
- Department of Pharmaceutics, College of Pharmacy, Jouf University, Sakaka, 72388, Aljouf, Saudi Arabia
| | - Mohd Cairul Iqbal Mohd Amin
- Centre for Drug Delivery Technology, Faculty of Pharmacy, Universiti Kebangsaan Malaysia, Jalan Raja Muda Abdul Aziz, 50300, Kuala Lumpur, Malaysia.
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6
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Das M, Joshi A, Devkar R, Seshadri S, Thakore S. Vitamin-H Channeled Self-Therapeutic P-gp Inhibitor Curcumin-Derived Nanomicelles for Targeting the Tumor Milieu by pH- and Enzyme-Triggered Hierarchical Disassembly. Bioconjug Chem 2022; 33:369-385. [PMID: 35015523 DOI: 10.1021/acs.bioconjchem.1c00614] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
An effective nanocarrier-mediated drug delivery to cancer cells primarily faces limitations like the presence of successive drug delivery barriers, insufficient circulation time, drug leakage, and decreased tumor penetration capacity. With the aim of addressing this paradox, a self-therapeutic, curcumin-derived copolymer was synthesized by conjugation with PEGylated biotin via enzyme- and acid-labile ester and acetal linkages. This copolymer is a prodrug of curcumin and self-assembles into ∼150-200 nm-sized nanomicelles; it is capable of encapsulating doxorubicin (DOX) and hence can be designated as self-therapeutic. pH- and enzyme-responsive linkages in the polymer skeleton assist in its hierarchical disassembly only in the tumor microenvironment. Further, the conjugation of biotin and poly(ethylene glycol) (PEG) imparts features of tumor specificity and improved circulation times to the nanocarrier. The dynamic light scattering (DLS) analysis supports this claim and demonstrates rapid swelling and disruption of micelles under acidic pH. UV-vis spectroscopy provided evidence of an accelerated acetal degradation at pH 4.0 and 5.0. The in vitro release studies revealed a controlled release of DOX under acidic conditions and curcumin release in response to the enzyme. The value of the combination index calculated on HepG2 cells was found to be <1, and hence, the drug pair curcumin and DOX acts synergistically for tumor regression. To prove the efficiency of acid-labile linkages and the prodrug strategy for effective cancer therapy, curcumin-derived polymers devoid of sensitive linkages were also prepared. The prodrug stimuli-responsive nanomicelles showed enhanced cell cytotoxicity and tumor penetration capability on HepG2 cells as well as drug-resistant MCF-7 cell lines and no effect on normal NIH/3T3 fibroblasts as compared to the nonresponsive micelles. The results were also supported by in vivo evidence on a hepatocellular carcinoma (HCC)-induced nude mice model. An evident decrease in MMP-2, MMP-9, and α-fetoprotein (AFP), the biomarkers specific to tumor progression, was observed along with metastasis upon treatment with the drug-loaded dual-responsive nanomicelles. These observations corroborated with the SGOT and SGPT data as well as the histoarchitecture of the liver tissue in mice.
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Affiliation(s)
- Manita Das
- Department of Chemistry, Faculty of Science, The Maharaja Sayajirao University of Baroda, Vadodara 390 002, India
| | - Apeksha Joshi
- Department of Zoology, Faculty of Science, The Maharaja Sayajirao University of Baroda, Vadodara 390 002, India
| | - Ranjitsinh Devkar
- Department of Zoology, Faculty of Science, The Maharaja Sayajirao University of Baroda, Vadodara 390 002, India
| | - Sriram Seshadri
- Institute of Science, Nirma University, Ahmedabad 382 481, India
| | - Sonal Thakore
- Department of Chemistry, Faculty of Science, The Maharaja Sayajirao University of Baroda, Vadodara 390 002, India.,Institute of Interdisciplinary Studies, The Maharaja Sayajirao University of Baroda, Vadodara 390 002, India
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7
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Hadji H, Bouchemal K. Effect of micro- and nanoparticle shape on biological processes. J Control Release 2021; 342:93-110. [PMID: 34973308 DOI: 10.1016/j.jconrel.2021.12.032] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 12/23/2021] [Accepted: 12/24/2021] [Indexed: 12/15/2022]
Abstract
In the drug delivery field, there is beyond doubt that the shape of micro- and nanoparticles (M&NPs) critically affects their biological fate. Herein, following an introduction describing recent technological advances for designing nonspherical M&NPs, we highlight the role of particle shape in cell capture, subcellular distribution, intracellular drug delivery, and cytotoxicity. Then, we discuss theoretical approaches for understanding the effect of particle shape on internalization by the cell membrane. Subsequently, recent advances on shape-dependent behaviors of M&NPs in the systemic circulation are detailed. In particular, the interaction of M&NPs with blood proteins, biodistribution, and circulation under flow conditions are analyzed. Finally, the hurdles and future directions for developing nonspherical M&NPs are underscored.
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Affiliation(s)
- Hicheme Hadji
- Université Paris-Saclay, Institut Galien Paris Saclay, CNRS UMR 8612, 92296 Châtenay-Malabry, France
| | - Kawthar Bouchemal
- Université Paris-Saclay, Institut Galien Paris Saclay, CNRS UMR 8612, 92296 Châtenay-Malabry, France.
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8
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Jin X, Yu J, Yin M, Sinha A, Jin G. Combined Ultrasound Treatment with Transferrin-Coupled Nanoparticles Improves Active Targeting of 4T1 Mammary Carcinoma Cells. Technol Cancer Res Treat 2021; 20:15330338211062325. [PMID: 34825851 PMCID: PMC8649434 DOI: 10.1177/15330338211062325] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Objective: Conventional chemotherapy remains the mainstay treatment
for many breast cancer patients, but its effectiveness is limited by toxic side
effects. Incorporating drugs such as docetaxel into nanoparticle medicines can
reduce toxicity but further improvements are required. To facilitate more active
tumor targeting, we prepared transferrin-docetaxel-loaded pegylated-albumin
nanoparticles (Tf-PEG-DANPS). Methods: The growth inhibitory
effects and the ability of unmodified DANPS or PEG-DANPS to induce apoptosis in
4T1 mouse mammary cancers were compared to Tf-PEG-DANPS treatment using
3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) and flow
cytometry. These experiments were extended in vivo to the intravenous treatment
of 4T1 tumors where PEG-DANPS was compared to Tf-PEG-DANPS alone or Tf-PEG-DANPS
combined with ultrasound (US + Tf-PEG-DANPS). Histological assessments using
hematoxylin and eosin (HE) sections were performed to examine antitumor
activity, metastasis to lung and liver, and body weight measurements taken as an
indicator of toxicity. Results: MTT experiments show that, in the
normal and low concentration interval, the inhibition ability of the
Tf-PEG-DANPS is higher than that of other drug-giving groups, and the flow
cytometry show that the proportion of induced apoptosis in each given group is
2.88%, 42.95%, 48.23%, and 57.89%, indicating that the Tf-PEG-DANPS group has
more significant ability to induce apoptosis than other drug-giving groups. From
the pathological HE staining and semiquantitative analysis, US+Tf-PEG-DANPS can
effectively inhibit the growth of breast cancer transplanted tumors and suppress
metastases, it also has smaller toxic side effects on mice.
Conclusion: The antitumor effect of US+Tf-PEG-DANPS represents
an effective combination that exhibits increased antitumor activity and
metastasis reduction with an improved side-effect profile.
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Affiliation(s)
- Xiangzi Jin
- 159436Yanbian University Hospital, Yanji 133000, China
| | - Jie Yu
- 159436Yanbian University Hospital, Yanji 133000, China
| | - Meijiao Yin
- 159436Yanbian University Hospital, Yanji 133000, China
| | - Amit Sinha
- 159436Yanbian University Hospital, Yanji 133000, China
| | - Guangming Jin
- 159436Yanbian University Hospital, Yanji 133000, China
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9
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Enhanced Cytotoxic Effect of Doxorubicin Conjugated to Glutathione-Stabilized Gold Nanoparticles in Canine Osteosarcoma-In Vitro Studies. Molecules 2021; 26:molecules26123487. [PMID: 34201296 PMCID: PMC8227216 DOI: 10.3390/molecules26123487] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 06/03/2021] [Accepted: 06/03/2021] [Indexed: 12/19/2022] Open
Abstract
Osteosarcoma (OSA) is the most common malignant bone neoplasia in humans and dogs. In dogs, treatment consists of surgery in combination with chemotherapy (mostly carboplatin and/or doxorubicin (Dox)). Chemotherapy is often rendered ineffective by multidrug resistance. Previous studies have revealed that Dox conjugated with 4 nm glutathione-stabilized gold nanoparticles (Au-GSH-Dox) enhanced the anti-tumor activity and cytotoxicity of Dox in Dox-resistant feline fibrosarcoma cell lines exhibiting high P-glycoprotein (P-gp) activity. The present study investigated the influence of Au-GSH-Dox on the canine OSA cell line D17 and its relationship with P-gp activity. A human Dox-sensitive OSA cell line, U2OS, served as the negative control. Au-GSH-Dox, compared to free Dox, presented a greater cytotoxic effect on D17 (IC50 values for Au-GSH-Dox and Dox were 7.9 μg/mL and 15.2 μg/mL, respectively) but not on the U2OS cell line. All concentrations of Au-GSH (ranging from 10 to 1000 μg/mL) were non-toxic in both cell lines. Inhibition of the D17 cell line with 100 μM verapamil resulted in an increase in free Dox but not in intracellular Au-GSH-Dox. The results indicate that Au-GSH-Dox may act as an effective drug in canine OSA by bypassing P-gp.
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10
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Hassanin I, Elzoghby A. Albumin-based nanoparticles: a promising strategy to overcome cancer drug resistance. CANCER DRUG RESISTANCE (ALHAMBRA, CALIF.) 2020; 3:930-946. [PMID: 35582218 PMCID: PMC8992568 DOI: 10.20517/cdr.2020.68] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 09/28/2020] [Accepted: 10/09/2020] [Indexed: 12/13/2022]
Abstract
Circumvention of cancer drug resistance is one of the major investigations in nanomedicine. In this regard, nanotechnology-based drug delivery has offered various implications. However, protein-based nanocarriers have been a versatile choice compared to other nanomaterials, provided by their favorable characteristics and safety profiles. Specifically, albumin-based nanoparticles have been demonstrated to be an effective drug delivery system, owing to the inherent targeting modalities of albumin, through gp60- and SPARC-mediated receptor endocytosis. Furthermore, surface functionalization was exploited for active targeting, due to albumin’s abundance of carboxylic and amino groups. Stimuli-responsive drug release has also been pertained to albumin nano-systems. Therefore, albumin-based nanocarriers could potentially overcome cancer drug resistance through bypassing drug efflux, enhancing drug uptake, and improving tumor accumulation. Moreover, albumin nanocarriers improve the stability of various therapeutic cargos, for instance, nucleic acids, which allows their systemic administration. This review highlights the recent applications of albumin nanoparticles to overcome cancer drug resistance, the nano-fabrication techniques, as well as future perspectives and challenges.
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Affiliation(s)
- Islam Hassanin
- Department of Biotechnology, Institute of Graduate studies and Research, Alexandria University, Alexandria 21526, Egypt.,Cancer Nanotechnology Research Laboratory (CNRL), Faculty of Pharmacy, Alexandria University, Alexandria 21521, Egypt
| | - Ahmed Elzoghby
- Cancer Nanotechnology Research Laboratory (CNRL), Faculty of Pharmacy, Alexandria University, Alexandria 21521, Egypt.,Department of Industrial Pharmacy, Faculty of Pharmacy, Alexandria University, Alexandria 21521, Egypt
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11
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Targeting ovarian solid tumors by pH triggered thermosensitive peptide-doxorubicin conjugate. J Drug Deliv Sci Technol 2020. [DOI: 10.1016/j.jddst.2020.101856] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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12
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Ozturk N, Kara A, Gulyuz S, Ozkose UU, Tasdelen MA, Bozkir A, Yilmaz O, Vural I. Exploiting ionisable nature of PEtOx- co-PEI to prepare pH sensitive, doxorubicin-loaded micelles. J Microencapsul 2020; 37:467-480. [PMID: 32627670 DOI: 10.1080/02652048.2020.1792566] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
AIMS This study was conducted to evaluate block copolymers containing two different poly(ethyleneimine) (PEI) amounts, as new pH-sensitive micellar delivery systems for doxorubicin. METHODS Micelles were prepared with block copolymers consisting of poly(2-ethyl-2-oxazoline)-co-poly(ethyleneimine) (PEtOx-co-PEI) and poly(ε-caprolactone) (PCL) as hydrophilic and hydrophobic blocks, respectively. Doxorubicin loading, micelle size, pH-dependent drug release, and in vitro cytotoxicity on MCF-7 cells were investigated. RESULTS The average size of drug-loaded micelles was under 100 nm and drug loading was between 10.7% and 48.3% (w/w). pH-sensitive drug release was more pronounced (84.7% and 68.9% (w/w) of drug was released at pH 5.0 and pH 7.4, respectively) for the micelles of the copolymer with the lowest PEI amount. The cell viability of doxorubicin-loaded micelles which were prepared by the copolymer with the lowest PEI amount was 28-33% at 72 h. CONCLUSIONS PEtOx-co-PEI-b-PCL micelles of this copolymer were found to be stable and effective pH-sensitive nano-sized carriers for doxorubicin delivery.
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Affiliation(s)
- Naile Ozturk
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Hacettepe University, Ankara, Turkey.,Department of Pharmaceutical Technology, Faculty of Pharmacy, Inonu University, Malatya, Turkey
| | - Asli Kara
- Department of Medical Services and Techniques, Sungurlu Vocational High School, Hitit University, Corum, Turkey.,Department of Nanotechnology and Nanomedicine, Hacettepe University Institute of Science, Ankara, Turkey
| | - Sevgi Gulyuz
- Materials Institute, Marmara Research Center, TUBITAK, Kocaeli, Turkey.,Department of Chemistry, Faculty of Science and Letters, Istanbul Technical University, Istanbul, Turkey
| | - Umut Ugur Ozkose
- Materials Institute, Marmara Research Center, TUBITAK, Kocaeli, Turkey.,Department of Chemistry, Faculty of Science and Letters, Istanbul Technical University, Istanbul, Turkey.,Department of Chemistry, Faculty of Science and Letters, Piri Reis University, Istanbul, Turkey
| | - Mehmet Atilla Tasdelen
- Department of Polymer Engineering, Faculty of Engineering, Yalova University, Yalova, Turkey
| | - Asuman Bozkir
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Ankara University, Ankara, Turkey
| | - Ozgur Yilmaz
- Materials Institute, Marmara Research Center, TUBITAK, Kocaeli, Turkey
| | - Imran Vural
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Hacettepe University, Ankara, Turkey
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13
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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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14
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Sarkar Y, Roy S, Majumder R, Das S, Bhalani DV, Ray A, Jewrajka SK, Parui PP. Protonation-induced pH increase at the triblock copolymer micelle interface for transient membrane permeability at neutral pH. SOFT MATTER 2020; 16:798-809. [PMID: 31834342 DOI: 10.1039/c9sm01002e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Achieving controlled membrane permeability using pH-responsive block copolymers is crucial for selective intercellular uptake. We have shown that the pH at the triblock-copolymer micelle interface as compared to its bulk pH can help regulate membrane permeability. The pH-dependent acid/base equilibriums of two different interface-interacting pH probes were determined in order to measure the interfacial pH for a pH-responsive triblock copolymer (TBP) micelle under a wide range of bulk pH (4.5-9.0). According to 1H NMR studies, both pH probes provided interfacial pH at a similar interfacial depth. We revealed that the protonation of the amine moiety at the micelle interface and the subsequent formation of a positive charge caused the interface to become relatively less acidic than that of the bulk as well as an increase in the bulk-to-interfacial pH deviation (ΔpH) from ∼0.9 to 1.9 with bulk pH reducing from 8.0 to 4.5. From the ΔpH vs. interface and bulk pH plots, the apparent and intrinsic protonations or positive charge formation pKa values for the micelle were estimated to be ∼7.3 and 6.0, respectively. When the TBP micelle interacted with an anionic large unilamellar vesicle (LUV) of a binary lipid (neutral and anionic) system at the bulk pH of 7.0, fluorescence leakage studies revealed that the pH increase at the micelle interface from that of the LUV interface (pH ∼ 5.5) made the micelle interface partially protonated/cationic, thereby exhibiting transient membrane permeability. Although the increasing interface protonation causes the interface to become relatively less acidic than the bulk at any bulk pH below 6.5, the pH increase at the micelle interface may not be sufficiently large to maintain the threshold for the amine-protonated condition for effecting transient leakage and therefore, a continuous leakage was observed due to the slow disruption of the lipid bilayer.
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Affiliation(s)
- Yeasmin Sarkar
- Department of Chemistry, Jadavpur University, Kolkata 700032, India.
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15
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Qiu L, Ge L, Long M, Mao J, Ahmed KS, Shan X, Zhang H, Qin L, Lv G, Chen J. Redox-responsive biocompatible nanocarriers based on novel heparosan polysaccharides for intracellular anticancer drug delivery. Asian J Pharm Sci 2020; 15:83-94. [PMID: 32175020 PMCID: PMC7066043 DOI: 10.1016/j.ajps.2018.11.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2018] [Revised: 10/31/2018] [Accepted: 11/16/2018] [Indexed: 01/22/2023] Open
Abstract
Heparosan is a natural precursor of heparin biosynthesis in mammals. It is stable in blood circulation but can be degraded in lysosomes, showing good biocompatibility and long circulation features. So heparosan can be designed as anticancer drug carriers to increase tumor selectivity and improve the therapeutic effect. A novel redox-sensitive heparosan-cystamine-vitamin E succinate (KSV) micelle system was constructed for intracellular delivery of doxorubicin (DOX). Simultaneously, the redox-insensitive heparosan-adipic acid dihydrazide-vitamin E succinate copolymer (KV) was synthesized as control. DOX-loaded micelles (DOX/KSV) with an average particle size of 90-120 nm had good serum stability and redox-triggered depolymerization. In vitro drug release test showed that DOX/KSV micelles presented obvious redox-triggered release behavior compared with DOX/KV. Cytotoxicity and cell uptake were investigated using MGC80-3 tumor cells and COS7 fibroblast-like cells. The cell survival rate of blank micelles was more than 90%, and the cytotoxicity of DOX/KSV in MGC80-3 cells was higher than in COS7 cells, indicating that the carrier has better biocompatibility and less toxicity side effect. The cytotoxicity of DOX/KSV against MGC80-3 cells was significantly greater than that of free DOX and DOX/KV. Furthermore, compared with DOX/KV in MGC80-3 cells, DOX/KSV micelles uptook more anticancer drugs and then released DOX faster into the cell nucleus. The micelles were endocytosed by multiple pathways, but clathrin-mediated endocytosis was the main pathway. Therefore, heparosan polysaccharide could be a potential option as anticancer carrier for enhancing efficacy and mitigating toxicity.
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Affiliation(s)
- Lipeng Qiu
- School of Pharmaceutical Sciences, Jiangnan University, Wuxi 214122, China
| | - Lu Ge
- School of Pharmaceutical Sciences, Jiangnan University, Wuxi 214122, China
| | - Miaomiao Long
- Wuxi Higher Health Vocational Technology School, Wuxi 214028, China
| | - Jing Mao
- School of Pharmaceutical Sciences, Jiangnan University, Wuxi 214122, China
| | - Kamel S. Ahmed
- School of Pharmaceutical Sciences, Jiangnan University, Wuxi 214122, China
| | - Xiaotian Shan
- School of Pharmaceutical Sciences, Jiangnan University, Wuxi 214122, China
| | - Huijie Zhang
- School of Pharmaceutical Sciences, Jiangnan University, Wuxi 214122, China
| | - Li Qin
- School of Pharmaceutical Sciences, Jiangnan University, Wuxi 214122, China
| | - Guozhong Lv
- Wuxi Third Renmin Hospital, Wuxi 214041, China
| | - Jinghua Chen
- School of Pharmaceutical Sciences, Jiangnan University, Wuxi 214122, China
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16
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Viale M, Vecchio G, Maric I, Cilli M, Aprile A, Ponzoni M, Fontana V, Priori EC, Bertone V, Rocco M. Fibrin gels entrapment of a doxorubicin-containing targeted polycyclodextrin: Evaluation of in vivo antitumor activity in orthotopic models of human neuroblastoma. Toxicol Appl Pharmacol 2019; 385:114811. [PMID: 31705944 DOI: 10.1016/j.taap.2019.114811] [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: 06/10/2019] [Revised: 10/30/2019] [Accepted: 11/05/2019] [Indexed: 02/05/2023]
Abstract
In vivo local antitumor activity of fibrin gels (FBGs) loaded with the poly-cyclodextrin oCD-NH2/Dox, compared to free Dox, was evaluated in two mouse orthotopic neuroblastoma (NB) models, after positioning of the releasing devices in the visceral space. FBGs were prepared at the fibrinogen (FG) concentrations of 22 and 40 mg/ml clotted in the presence of 0.81 mM/mg FG Ca2+ and 1.32 U/mg FG thrombin. Our results indicate that FBGs loaded with oCD-NH2/Dox and applied as neoadjuvant loco-regional treatment, show an antitumor activity significantly greater than that displayed by the same FBGs loaded with identical dose of Dox or after free Dox administered intra venous (iv). In particular, FBGs prepared at 40 mg/ml showed a slightly lower antitumor activity, although after their positioning we observed a significant initial reduction of tumor burden lasting for several days after gel implantation. FBGs at 22 mg/ml loaded with oCD-NH2/Dox and applied after tumor removal (adjuvant treatment model) showed a significantly better antitumor activity than the iv administration of free Dox, with 90% tumor regrowth reduction compared to untreated controls. In all cases the weight loss post-treatment was limited after gel application, although in the adjuvant treatment the loss of body weight lasted longer than in the other treatment modality. In accordance with our recent published data on the low local toxic effects of FBGs, the present findings also underline an increase of the therapeutic index of Dox when locally administered through FBGs loaded with the oCD-NH2/Dox complex.
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Affiliation(s)
- Maurizio Viale
- UOC Bioterapie, IRCCS Ospedale Policlinico San Martino, Largo R. Benzi 10, 16132 Genova, Italy.
| | - Graziella Vecchio
- Dipartimento di Scienze Chimiche, Università di Catania, Viale A. Doria, 6, 95125 Catania, Italy
| | - Irena Maric
- UOC Bioterapie, IRCCS Ospedale Policlinico San Martino, Largo R. Benzi 10, 16132 Genova, Italy
| | - Michele Cilli
- UOS Animal Facility, IRCCS Ospedale Policlinico San Martino, Largo R. Benzi 10, 16132 Genova, Italy
| | - Anna Aprile
- UOS Biopolimeri e Proteomica, IRCCS Ospedale Policlinico San Martino, Largo R. Benzi 10, 16132 Genova, Italy
| | - Mirco Ponzoni
- Laboratorio di Terapie Sperimentali in Oncologia, Istituto G. Gaslini, Via G. Gaslini 5, 16147 Genova, Italy
| | - Vincenzo Fontana
- UOC Epidemiologia Clinica, IRCCS Ospedale Policlinico San Martino, Largo R. Benzi 10, 16132 Genova, Italy
| | - Erica C Priori
- Lab. di Biologia Cellulare e Neurobiologia, Dipartimento di Biologia e Biotecnologie, Università di Pavia "L. Spallanzani", Via Ferrata 9, 27100 Pavia, Italy
| | - Vittorio Bertone
- Lab. di Anatomia Comparata e Citologia, Dipartimento di Biologia e Biotecnologie, Università di Pavia "L. Spallanzani", Via Ferrata 9, 27100 Pavia, Italy
| | - Mattia Rocco
- UOS Biopolimeri e Proteomica, IRCCS Ospedale Policlinico San Martino, Largo R. Benzi 10, 16132 Genova, Italy
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17
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Huang P, Wang G, Su Y, Zhou Y, Huang W, Zhang R, Yan D. Stimuli-responsive nanodrug self-assembled from amphiphilic drug-inhibitor conjugate for overcoming multidrug resistance in cancer treatment. Am J Cancer Res 2019; 9:5755-5768. [PMID: 31534517 PMCID: PMC6735370 DOI: 10.7150/thno.36163] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Accepted: 06/13/2019] [Indexed: 12/11/2022] Open
Abstract
Severe multidrug resistance (MDR) often develops in the process of chemotherapy for most small molecule anticancer drugs, which results in clinical chemotherapy failures. Methods: Here, a nanodrug is constructed through the self-assembly of amphiphilic drug-inhibitor conjugates (ADIC) containing a redox-responsive linkage for reversing the multidrug resistance (MDR) in cancer treatment. Specifically, hydrophilic anticancer irinotecan (Ir) and hydrophobic P-gp protein inhibitor quinine (Qu) are linked by a redox responsive bridge for overcoming MDR of tumors. Results: Ir-ss-Qu is able to self-assemble into nanoparticles (NPs) in water and shows the longer blood retention half-life compared with that of free Ir or Qu, which facilitates drug accumulation in tumor site. After endocytosis of Ir-ss-Qu NPs by drug-resistant tumor cells, the disulfide bond in the linkage between Ir and Qu is cleaved rapidly induced by glutathione (GSH) to release anticancer drug Ir and inhibitor Qu synchronously. The released Qu can markedly reduce the expression of P-gp in drug-resistant tumor cells and inhibits P-gp to pump Ir out of the cells. The increased concentration of intracellular Ir can effectively improve the therapeutic efficacy. Conclusions: Such redox-responsive Ir-ss-Qu NPs, as a drug delivery system, exhibit very high cytotoxicity and the most effective inhibitory to the growth of drug-resistant breast cancer compared with that of free therapeutic agents in vitro and in vivo.
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18
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Ovarian solid tumors: Current treatment and recent developments using stimuli-responsive polymers: A systemic review. J Drug Deliv Sci Technol 2019. [DOI: 10.1016/j.jddst.2019.03.018] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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19
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Attia MF, Anton N, Wallyn J, Omran Z, Vandamme TF. An overview of active and passive targeting strategies to improve the nanocarriers efficiency to tumour sites. ACTA ACUST UNITED AC 2019; 71:1185-1198. [PMID: 31049986 DOI: 10.1111/jphp.13098] [Citation(s) in RCA: 445] [Impact Index Per Article: 89.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Accepted: 04/07/2019] [Indexed: 12/21/2022]
Abstract
OBJECTIVES This review highlights both the physicochemical characteristics of the nanocarriers (NCs) and the physiological features of tumour microenvironment (TME) to outline what strategies undertaken to deliver the molecules of interest specifically to certain lesions. This review discusses these properties describing the convenient choice between passive and active targeting mechanisms with details, illustrated with examples of targeting agents up to preclinical research or clinical advances. KEY FINDINGS Targeted delivery approaches for anticancers have shown a steep rise over the past few decades. Though many successful preclinical trials, only few passive targeted nanocarriers are approved for clinical use and none of the active targeted nanoparticles. Herein, we review the principles and for both processes and the correlation with the tumour microenvironment. We also focus on the limitation and advantages of each systems regarding laboratory and industrial scale. SUMMARY The current literature discusses how the NCs and the enhanced permeation and retention effect impact the passive targeting. Whereas the active targeting relies on the ligand-receptor binding, which improves selective accumulation to targeted sites and thus discriminates between the diseased and healthy tissues. The latter could be achieved by targeting the endothelial cells, tumour cells, the acidic environment of cancers and nucleus.
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Affiliation(s)
- Mohamed F Attia
- CNRS, CAMB, UMR 7199, Université de Strasbourg, Strasbourg, France.,Department of Bioengineering, Clemson University, Clemson, SC, USA.,National Research Centre, Cairo, Egypt
| | - Nicolas Anton
- CNRS, CAMB, UMR 7199, Université de Strasbourg, Strasbourg, France
| | - Justine Wallyn
- CNRS, CAMB, UMR 7199, Université de Strasbourg, Strasbourg, France
| | - Ziad Omran
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Umm Al-Qura University, Umm Al-Qura, Kingdom of Saudi Arabia
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20
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Licciardi M, Scialabba C, Puleio R, Cassata G, Cicero L, Cavallaro G, Giammona G. Smart copolymer coated SPIONs for colon cancer chemotherapy. Int J Pharm 2019; 556:57-67. [DOI: 10.1016/j.ijpharm.2018.11.069] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Revised: 11/07/2018] [Accepted: 11/26/2018] [Indexed: 11/29/2022]
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21
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Kesharwani SS, Kaur S, Tummala H, Sangamwar AT. Overcoming multiple drug resistance in cancer using polymeric micelles. Expert Opin Drug Deliv 2018; 15:1127-1142. [DOI: 10.1080/17425247.2018.1537261] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Siddharth S. Kesharwani
- Department of Pharmaceutical Sciences, College of Pharmacy & Allied Health Professions, South Dakota State University, Brookings, USA
| | - Shamandeep Kaur
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Mohali, India
| | - Hemachand Tummala
- Department of Pharmaceutical Sciences, College of Pharmacy & Allied Health Professions, South Dakota State University, Brookings, USA
| | - Abhay T. Sangamwar
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Mohali, India
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22
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de Sousa Cunha F, Dos Santos Pereira LN, de Costa E Silva TP, de Sousa Luz RA, Nogueira Mendes A. Development of nanoparticulate systems with action in breast and ovarian cancer: nanotheragnostics. J Drug Target 2018; 27:732-741. [PMID: 30207742 DOI: 10.1080/1061186x.2018.1523418] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The use of nanoparticulate systems with action in breast and ovarian cancer has been highlighted in recent years as an alternative to increasing the therapeutic index of conventional anticancer drugs. Thus, nanoparticles have advantageous characteristics in the treatment of cancer. Several nanocarriers of drugs and nanoparticles are described in the literature. The pharmacokinetics of the drugs can be modified by the use of nanocarriers, which in turn facilitate the specific delivery of the drug to the tumour cell. Therefore, the present work is a review that examines some nanosystems with nanoparticles for action in the treatment of breast cancer and ovarian cancer.
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Affiliation(s)
- Fabiana de Sousa Cunha
- a Departamento de Química, Campus Poeta Torquato Neto , Universidade Estadual do Piauí , Teresina , Brazil
| | - Laise Nayra Dos Santos Pereira
- b Departamento de Química, Centro de Ciências da Natureza , Universidade Federal do Piauí, Campus Universitário Ministro Petrônio Portella, Ininga , Teresina , Brazil
| | - Thâmara Pryscilla de Costa E Silva
- b Departamento de Química, Centro de Ciências da Natureza , Universidade Federal do Piauí, Campus Universitário Ministro Petrônio Portella, Ininga , Teresina , Brazil
| | - Roberto Alves de Sousa Luz
- b Departamento de Química, Centro de Ciências da Natureza , Universidade Federal do Piauí, Campus Universitário Ministro Petrônio Portella, Ininga , Teresina , Brazil
| | - Anderson Nogueira Mendes
- b Departamento de Química, Centro de Ciências da Natureza , Universidade Federal do Piauí, Campus Universitário Ministro Petrônio Portella, Ininga , Teresina , Brazil.,c Departamento de Biofísica e Fisiologia, Centro de Ciências em Saúde , Universidade Federal do Piauí, Campus Universitário Ministro Petrônio Portella, Ininga , Teresina , Brazil
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23
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Tang Y, Li Y, Xu R, Li S, Hu H, Xiao C, Wu H, Zhu L, Ming J, Chu Z, Xu H, Yang X, Li Z. Self-assembly of folic acid dextran conjugates for cancer chemotherapy. NANOSCALE 2018; 10:17265-17274. [PMID: 30191943 DOI: 10.1039/c8nr04657c] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Folic acid (FA) has long been used as a specific targeting agent since many cancer cells overexpress folate receptors (FRs). Herein, novel functionalities of FA will be explored: directed self-assembly of nanoparticles for drug delivery together with pH responsive release. By conjugating with dextran (DEX), DEX-FA exerts a pH dependent self-assembly behavior: it self-associates into nanoparticles (NPs) around physiological pH (pH 7) and disassembles at higher pH (pH > 9). Doxorubicin (DOX), a model antitumor drug, has been successfully encapsulated via electrostatic interactions between DOX and FA. Moreover, the pH responsive release behaviors of DOX are controlled by FA. The DOX@DEX-FA NPs exhibit typical FA-FRs-mediated endocytosis in vitro and targeted delivery in vivo, altogether contributing to an enhanced antitumor efficacy, alleviated side effects, and elongated overall survival in a 4T1 subcutaneous tumor-bearing mouse model. The DOX@DEX-FA NPs have been demonstrated to be a simple, safe and efficient nanoplatform, holding significant translation potential for treating FR-overexpressing cancers. This study may present novel functionalities of FA in cancer-targeted nanotherapeutics.
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Affiliation(s)
- Yuxiang Tang
- Department of Nanomedicine and Biopharmaceuticals, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China.
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24
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Patel NR, Piroyan A, Ganta S, Morse AB, Candiloro KM, Solon AL, Nack AH, Galati CA, Bora C, Maglaty MA, O'Brien SW, Litwin S, Davis B, Connolly DC, Coleman TP. In Vitro and In Vivo evaluation of a novel folate-targeted theranostic nanoemulsion of docetaxel for imaging and improved anticancer activity against ovarian cancers. Cancer Biol Ther 2018; 19:554-564. [PMID: 29737910 DOI: 10.1080/15384047.2017.1395118] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
Ovarian cancer ranks fifth in cancer related deaths for women in USA. The high mortality rate associated with ovarian cancer is due to diagnosis at later stages of disease and the high recurrence rate of 60-80%. Recurrent ovarian cancers are more likely to present as multidrug resistance (MDR) leading to unfavorable response from 2nd and 3rd line chemotherapy. Nanoemulsions (NEs) are emerging as an attractive drug delivery system to overcome MDR challenges. NEs can also minimize exposure of therapeutic cargo to normal tissues potentially reducing side effects. In >80% of ovarian cancers, Folate Receptor-α (FR-α) is expressed at 10- to 100-fold higher levels than on non-pathological tissues. Therefore, folate (FA) is being evaluated as an active targeting moiety for FR-α+ ovarian cancer. To improve therapeutic outcome with reduced toxicity, we developed NMI-500, a FA targeted gadolinium (Gd) annotated NE loaded with docetaxel (DTX). NMI-500 has been developed as theranostic agents as Gd will enable physician to acquire real time pharmacodynamics data on NE + DTX accumulation in target lesions. In present study, characterization for key translational metrics of NMI-500 showed size distribution in range of 120 to 150 nm and zeta potential around -45 mV. Active targeting of FA was evaluated against FR-α+ KB cells and results demonstrated significant improvement in cell association which was surface ligand density dependent. We found that NMI-500 was able to inhibit tumor growth in a spontaneous transgenic ovarian cancer model with improved safety profile and this growth inhibition could be longitudinally followed by MRI. These results indicate NMI-500 warrants advancement to clinical trials.
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Affiliation(s)
| | | | | | | | | | - April L Solon
- a Nemucore Medical Innovations, Inc. , Wellesley , MA
| | | | | | - Collete Bora
- a Nemucore Medical Innovations, Inc. , Wellesley , MA
| | - Marisa A Maglaty
- b Molecular Therapeutics Program, Fox Chase Cancer Center , 333 Cottman Avenue, Philadelphia , PA
| | - Shane W O'Brien
- b Molecular Therapeutics Program, Fox Chase Cancer Center , 333 Cottman Avenue, Philadelphia , PA
| | - Samuel Litwin
- b Molecular Therapeutics Program, Fox Chase Cancer Center , 333 Cottman Avenue, Philadelphia , PA.,c Biostatistics Facility, Fox Chase Cancer Center , 333 Cottman Avenue, Philadelphia , PA
| | - Barbara Davis
- a Nemucore Medical Innovations, Inc. , Wellesley , MA
| | - Denise C Connolly
- b Molecular Therapeutics Program, Fox Chase Cancer Center , 333 Cottman Avenue, Philadelphia , PA
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25
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Hoosen Y, Pradeep P, Kumar P, du Toit LC, Choonara YE, Pillay V. Nanotechnology and Glycosaminoglycans: Paving the Way Forward for Ovarian Cancer Intervention. Int J Mol Sci 2018; 19:E731. [PMID: 29510526 PMCID: PMC5877592 DOI: 10.3390/ijms19030731] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Revised: 02/16/2018] [Accepted: 02/23/2018] [Indexed: 12/31/2022] Open
Abstract
Ovarian cancer (OC) has gained a great deal of attention due to its aggressive proliferative capabilities, high death rates and poor treatment outcomes, rendering the disease the ultimate lethal gynaecological cancer. Nanotechnology provides a promising avenue to combat this malignancy by the niche fabrication of optimally-structured nanomedicines that ensure potent delivery of chemotherapeutics to OC, employing nanocarriers to act as "intelligent" drug delivery vehicles, functionalized with active targeting approaches for precision delivery of chemotherapeutics to overexpressed biomarkers on cancer cells. Recently, much focus has been implemented to optimize these active targeting mechanisms for treatment/diagnostic purposes employing nanocarriers. This two-part article aims to review the latest advances in active target-based OC interventions, where the impact of the newest antibody, aptamer and folate functionalization on OC detection and treatment is discussed in contrast to the limitations of this targeting mechanism. Furthermore, we discuss the latest advances in nanocarrier based drug delivery in OC, highlighting their commercial/clinical viability of these systems beyond the realms of research. Lastly, in the second section of this review, we comprehensively discussed a focus shift in OC targeting from the well-studied OC cells to the vastly neglected extracellular matrix and motivate the potential for glycosaminoglycans (GAGs) as a more focused extracellular molecular target.
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Affiliation(s)
- Yasar Hoosen
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 7 York Road, Parktown 2193, South Africa.
| | - Priyamvada Pradeep
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 7 York Road, Parktown 2193, South Africa.
| | - Pradeep Kumar
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 7 York Road, Parktown 2193, South Africa.
| | - Lisa C du Toit
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 7 York Road, Parktown 2193, South Africa.
| | - Yahya E Choonara
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 7 York Road, Parktown 2193, South Africa.
| | - Viness Pillay
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 7 York Road, Parktown 2193, South Africa.
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26
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Voon SH, Kue CS, Imae T, Saw WS, Lee HB, Kiew LV, Chung LY, Yusa SI. Doxorubicin-loaded micelles of amphiphilic diblock copolymer with pendant dendron improve antitumor efficacy: In vitro and in vivo studies. Int J Pharm 2017; 534:136-143. [DOI: 10.1016/j.ijpharm.2017.10.023] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2017] [Revised: 10/04/2017] [Accepted: 10/11/2017] [Indexed: 12/21/2022]
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27
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Martín-Saldaña S, Palao-Suay R, Aguilar MR, García-Fernández L, Arévalo H, Trinidad A, Ramírez-Camacho R, San Román J. pH-sensitive polymeric nanoparticles with antioxidant and anti-inflammatory properties against cisplatin-induced hearing loss. J Control Release 2017; 270:53-64. [PMID: 29197586 DOI: 10.1016/j.jconrel.2017.11.032] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Revised: 11/17/2017] [Accepted: 11/20/2017] [Indexed: 11/28/2022]
Abstract
Polymeric nanoparticles (NPs) based on smart synthetic amphiphilic copolymers are used to transport and controlled release dexamethasone in the inner ear to protect against the ototoxic effect of cisplatin. The NPs were based on a mixture of two pseudo-block polymer drugs obtained by free radical polymerization: poly(VI-co-HEI) and poly(VP-co-MVE) or poly(VP-co-MTOS), being VI 1-vinylimidazole, VP N-vinylpyrrolidone, and HEI, MVE and MTOS the methacrylic derivatives of ibuprofen, α-tocopherol and α-tocopheryl succinate, respectively. The NPs were obtained by nanoprecipitation with appropriate hydrodynamic properties, and isoelectric points that matched the pH of inflamed tissue. The NPs were tested both in vitro (using HEI-OC1 cells) and in vivo (using a murine model) with good results. Although the concentration of dexamethasone administered in the NPs is around two orders of magnitude lower that the conventional treatment for intratympanic administration, the NPs protected from the cytotoxic effect of cisplatin when the combination of the appropriate properties in terms of size, zeta potential, encapsulation efficiency and isoelectric point were achieved. To the best of our knowledge this is the first time that pH sensitive NPs are used to protect from cisplatin-induced hearing loss by intratympanic administration.
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Affiliation(s)
- Sergio Martín-Saldaña
- Grupo de Biomateriales, Departamento de Nanomateriales Poliméricos y Biomateriales, Instituto de Ciencia y Tecnología de Polímeros, ICTP-CSIC, C/Juan de la Cierva, 3, 28006 Madrid, Spain; Ear Research Group, Hospital UniversitarioPuerta de Hierro Majadahonda, Health Research Institute Puerta de Hierro, Madrid, Spain
| | - Raquel Palao-Suay
- Grupo de Biomateriales, Departamento de Nanomateriales Poliméricos y Biomateriales, Instituto de Ciencia y Tecnología de Polímeros, ICTP-CSIC, C/Juan de la Cierva, 3, 28006 Madrid, Spain; Networking Biomedical Research Centre in Bioengineering, Biomaterials and Nanomedicine, CIBER-BBN, Spain
| | - María Rosa Aguilar
- Grupo de Biomateriales, Departamento de Nanomateriales Poliméricos y Biomateriales, Instituto de Ciencia y Tecnología de Polímeros, ICTP-CSIC, C/Juan de la Cierva, 3, 28006 Madrid, Spain; Networking Biomedical Research Centre in Bioengineering, Biomaterials and Nanomedicine, CIBER-BBN, Spain.
| | - Luis García-Fernández
- Grupo de Biomateriales, Departamento de Nanomateriales Poliméricos y Biomateriales, Instituto de Ciencia y Tecnología de Polímeros, ICTP-CSIC, C/Juan de la Cierva, 3, 28006 Madrid, Spain; Networking Biomedical Research Centre in Bioengineering, Biomaterials and Nanomedicine, CIBER-BBN, Spain
| | - Humberto Arévalo
- Grupo de Biomateriales, Departamento de Nanomateriales Poliméricos y Biomateriales, Instituto de Ciencia y Tecnología de Polímeros, ICTP-CSIC, C/Juan de la Cierva, 3, 28006 Madrid, Spain
| | - Almudena Trinidad
- Ear Research Group, Hospital UniversitarioPuerta de Hierro Majadahonda, Health Research Institute Puerta de Hierro, Madrid, Spain
| | - Rafael Ramírez-Camacho
- Ear Research Group, Hospital UniversitarioPuerta de Hierro Majadahonda, Health Research Institute Puerta de Hierro, Madrid, Spain
| | - Julio San Román
- Grupo de Biomateriales, Departamento de Nanomateriales Poliméricos y Biomateriales, Instituto de Ciencia y Tecnología de Polímeros, ICTP-CSIC, C/Juan de la Cierva, 3, 28006 Madrid, Spain; Networking Biomedical Research Centre in Bioengineering, Biomaterials and Nanomedicine, CIBER-BBN, Spain
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Nehate C, Moothedathu Raynold AA, Koul V. ATRP Fabricated and Short Chain Polyethylenimine Grafted Redox Sensitive Polymeric Nanoparticles for Codelivery of Anticancer Drug and siRNA in Cancer Therapy. ACS APPLIED MATERIALS & INTERFACES 2017; 9:39672-39687. [PMID: 29048878 DOI: 10.1021/acsami.7b11716] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
To overcome the limitations of conventional chemotherapy, nanoparticle-mediated combinatorial delivery of siRNA and drugs represents a new approach to overcome its associated side effects. Designing safe and efficient vehicles for their codelivery has emerged as a potential challenge in the clinical translation of these formulations. Herein, we have demonstrated a novel "two-in-one" polyplex nanosystem developed from redox sensitive, short chain polyethylenimine modified poly[(poly(ethylene)glycol methacrylate]-s-s-polycaprolactone copolymer synthesized by atom-transfer free-radical polymerization (ATRP), which can deliver doxorubicin and polo-like kinase I (plk1) siRNA, simultaneously for an enhanced chemotherapeutic effect. The nanoparticles were found to be stable at physiological buffer with and without fetal bovine serum (FBS). The developed polymeric nanosystem was found to be biocompatible and hemocompatible in vitro and in vivo at repeated dose administrations. The polymer could easily self-assemble into ∼100 nm spherical nanoparticles with enhanced doxorubicin loading (∼18%) and effective siRNA complexation at a polymer to siRNA weight ratio of 15. The doxorubicin loaded nanoparticles exhibited ∼4-fold higher drug release in endosomal pH (pH 5) containing 10 mmol of GSH compared to pH 7.4, depicting their redox-sensitive behavior. The polyplexes were capable of delivering both cargos simultaneously to cancer cells in vitro as observed by their excellent colocalization in the cytoplasm of MDA-MB-231 and HeLa cells using confocal laser microscopy. Moreover, in vitro transfection of the cells with polyplexes exhibited 50-70% knockdown of plk1-mRNA expression in both cell lines. In vivo administration of the drug loaded polyplexes to EAT tumor bearing (EAT, Ehrlich ascites tumor) Swiss albino mice showed a ∼29-fold decrease in percent tumor volume in comparison to the control group. The results highlight the therapeutic potential of the polyplexes as a combined delivery of doxorubicin and plk1-siRNA in cancer therapy.
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Affiliation(s)
- Chetan Nehate
- Centre for Biomedical Engineering, Indian Institute of Technology Delhi , New Delhi 110016, India
- Biomedical Engineering Unit, All India Institute of Medical Sciences , New Delhi 110029, India
| | - Aji Alex Moothedathu Raynold
- Centre for Biomedical Engineering, Indian Institute of Technology Delhi , New Delhi 110016, India
- Biomedical Engineering Unit, All India Institute of Medical Sciences , New Delhi 110029, India
| | - Veena Koul
- Centre for Biomedical Engineering, Indian Institute of Technology Delhi , New Delhi 110016, India
- Biomedical Engineering Unit, All India Institute of Medical Sciences , New Delhi 110029, India
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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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Baghbani F, Chegeni M, Moztarzadeh F, Mohandesi JA, Mokhtari-Dizaji M. Ultrasonic nanotherapy of breast cancer using novel ultrasound-responsive alginate-shelled perfluorohexane nanodroplets: In vitro and in vivo evaluation. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 77:698-707. [DOI: 10.1016/j.msec.2017.02.017] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2016] [Revised: 10/04/2016] [Accepted: 02/06/2017] [Indexed: 01/02/2023]
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Manaia EB, Abuçafy MP, Chiari-Andréo BG, Silva BL, Oshiro Junior JA, Chiavacci LA. Physicochemical characterization of drug nanocarriers. Int J Nanomedicine 2017; 12:4991-5011. [PMID: 28761340 PMCID: PMC5516877 DOI: 10.2147/ijn.s133832] [Citation(s) in RCA: 93] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Pharmaceutical design has enabled important advances in the prevention, treatment, and diagnosis of diseases. The use of nanotechnology to optimize the delivery of drugs and diagnostic molecules is increasingly receiving attention due to the enhanced efficiency provided by these systems. Understanding the structures of nanocarriers is crucial in elucidating their physical and chemical properties, which greatly influence their behavior in the body at both the molecular and systemic levels. This review was conducted to describe the principles and characteristics of techniques commonly used to elucidate the structures of nanocarriers, with consideration of their size, morphology, surface charge, porosity, crystalline arrangement, and phase. These techniques include X-ray diffraction, small-angle X-ray scattering, dynamic light scattering, zeta potential, polarized light microscopy, transmission electron microscopy, scanning electron microcopy, and porosimetry. Moreover, we describe some of the commonly used nanocarriers (liquid crystals, metal-organic frameworks, silica nanospheres, liposomes, solid lipid nanoparticles, and micelles) and the main aspects of their structures.
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Affiliation(s)
- Eloísa Berbel Manaia
- Department of Drugs and Medicines, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, SP, Brazil
| | - Marina Paiva Abuçafy
- Department of Drugs and Medicines, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, SP, Brazil
| | - Bruna Galdorfini Chiari-Andréo
- Department of Drugs and Medicines, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, SP, Brazil
- Department of Biological and Health Sciences, Centro Universitário de Araraquara, UNIARA, Araraquara, SP, Brazil
| | - Bruna Lallo Silva
- Department of Drugs and Medicines, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, SP, Brazil
| | - João Augusto Oshiro Junior
- Department of Drugs and Medicines, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, SP, Brazil
| | - Leila Aparecida Chiavacci
- Department of Drugs and Medicines, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, SP, Brazil
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Kang MS, Singh RK, Kim TH, Kim JH, Patel KD, Kim HW. Optical imaging and anticancer chemotherapy through carbon dot created hollow mesoporous silica nanoparticles. Acta Biomater 2017; 55:466-480. [PMID: 28373086 DOI: 10.1016/j.actbio.2017.03.054] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2016] [Revised: 03/29/2017] [Accepted: 03/30/2017] [Indexed: 12/20/2022]
Abstract
Multifunctional nanocarrier-based theranostics is currently considered to solve some key unmet challenges in cancer treatment. Here we report a nanocarrier platform, named carbon dot (CD) created mesoporous hollow organosilica (C-hMOS) nanoparticles, to deliver anticancer drug and to enable optical imaging. The hollow structure was formed by the removal of a nanorod core template, and at the same time, the fluorescent signal was endowed from the heat-treated organosilica network. Thanks to the hollow and mesoporous structure, the C-hMOS effectively loaded doxorubicin (DOX) for cancer chemotherapy. The DOX was released from C-hMOS highly sustainably (over 12days) and pH-dependently (pH 5.0 >pH 7.4). The DOX-loading C-hMOS internalized cancer cells efficiently (>90%), and induced cellular apoptosis including the expression of caspase-3. The treatment of C-hMOS to cancer cells enabled multi-color visualization in vitro, suggesting the possibility of cell tracing. Moreover, when injected intratumorally in mice, the C-hMOS exhibited strong optical signals in vivo along with a high optical stability (over a week). The injected C-hMOS were distributed only a fraction in liver but not in heart, lung, spleen or kidney and displayed good biocompatibility. The DOX-delivering C-hMOS significantly suppressed the in vivo tumor growth associated with apoptotic functions. Taken together, the developed C-hMOS nanoparticles can be a promising nanoplatform for drug delivery and in vivo imaging in cancer treatment. STATEMENT OF SIGNIFICANCE Multifunctional nanoparticles that combine chemotherapeutic ability with imaging modality comprise promising platform for cancer theranostics. Here we developed a novel theranostic nanoparticle, i.e., carbon-dot created mesoporous hollow silica nanoparticle, to offer unique merit for this purpose. The in vitro and in vivo findings to support this include: i) carbon dots with 1-2nm size in situ generated discretely and uniformly within silica network, ii) hollow and mesoporous structure effective for loading of DOX at high content, iii) release behavior of DOX in a sustainable and pH-dependent manner, iv) chemotherapeutic efficacy in killing cancer cells and suppressing tumor growth through DOX delivery, and v) carbon dot induced multi-color fluorescence imaging within cells and tumor tissues. These collective multifaceted properties may facilitate the novel carbon dot nanocarriers to be a potential candidate for delivering anticancer drug and non-invasive imaging in cancer treatment.
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Sikkandhar MG, Nedumaran AM, Ravichandar R, Singh S, Santhakumar I, Goh ZC, Mishra S, Archunan G, Gulyás B, Padmanabhan P. Theranostic Probes for Targeting Tumor Microenvironment: An Overview. Int J Mol Sci 2017; 18:E1036. [PMID: 28492519 PMCID: PMC5454948 DOI: 10.3390/ijms18051036] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2017] [Revised: 05/06/2017] [Accepted: 05/08/2017] [Indexed: 01/07/2023] Open
Abstract
Long gone is the time when tumors were thought to be insular masses of cells, residing independently at specific sites in an organ. Now, researchers gradually realize that tumors interact with the extracellular matrix (ECM), blood vessels, connective tissues, and immune cells in their environment, which is now known as the tumor microenvironment (TME). It has been found that the interactions between tumors and their surrounds promote tumor growth, invasion, and metastasis. The dynamics and diversity of TME cause the tumors to be heterogeneous and thus pose a challenge for cancer diagnosis, drug design, and therapy. As TME is significant in enhancing tumor progression, it is vital to identify the different components in the TME such as tumor vasculature, ECM, stromal cells, and the lymphatic system. This review explores how these significant factors in the TME, supply tumors with the required growth factors and signaling molecules to proliferate, invade, and metastasize. We also examine the development of TME-targeted nanotheranostics over the recent years for cancer therapy, diagnosis, and anticancer drug delivery systems. This review further discusses the limitations and future perspective of nanoparticle based theranostics when used in combination with current imaging modalities like Optical Imaging, Magnetic Resonance Imaging (MRI) and Nuclear Imaging (Positron Emission Tomography (PET) and Single Photon Emission Computer Tomography (SPECT)).
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Affiliation(s)
- Musafar Gani Sikkandhar
- Lee Kong Chian School of Medicine, Nanyang Technological University, 59 Nanyang Drive, Singapore 636921, Singapore.
| | - Anu Maashaa Nedumaran
- Lee Kong Chian School of Medicine, Nanyang Technological University, 59 Nanyang Drive, Singapore 636921, Singapore.
| | - Roopa Ravichandar
- Lee Kong Chian School of Medicine, Nanyang Technological University, 59 Nanyang Drive, Singapore 636921, Singapore.
| | - Satnam Singh
- Lee Kong Chian School of Medicine, Nanyang Technological University, 59 Nanyang Drive, Singapore 636921, Singapore.
| | - Induja Santhakumar
- Lee Kong Chian School of Medicine, Nanyang Technological University, 59 Nanyang Drive, Singapore 636921, Singapore.
| | - Zheng Cong Goh
- Lee Kong Chian School of Medicine, Nanyang Technological University, 59 Nanyang Drive, Singapore 636921, Singapore.
| | - Sachin Mishra
- Lee Kong Chian School of Medicine, Nanyang Technological University, 59 Nanyang Drive, Singapore 636921, Singapore.
| | - Govindaraju Archunan
- Centre for Pheromone Technology, Department of Animal Science, Bharathidasan University, Tiruchirappalli 620024, India.
| | - Balázs Gulyás
- Lee Kong Chian School of Medicine, Nanyang Technological University, 59 Nanyang Drive, Singapore 636921, Singapore.
| | - Parasuraman Padmanabhan
- Lee Kong Chian School of Medicine, Nanyang Technological University, 59 Nanyang Drive, Singapore 636921, Singapore.
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Louage B, De Wever O, Hennink WE, De Geest BG. Developments and future clinical outlook of taxane nanomedicines. J Control Release 2017; 253:137-152. [DOI: 10.1016/j.jconrel.2017.03.027] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2017] [Revised: 03/14/2017] [Accepted: 03/16/2017] [Indexed: 02/09/2023]
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35
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Li R, Xie Y. Nanodrug delivery systems for targeting the endogenous tumor microenvironment and simultaneously overcoming multidrug resistance properties. J Control Release 2017; 251:49-67. [DOI: 10.1016/j.jconrel.2017.02.020] [Citation(s) in RCA: 70] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2016] [Revised: 02/16/2017] [Accepted: 02/18/2017] [Indexed: 12/18/2022]
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36
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Nehate C, Aji Alex MR, Kumar A, Koul V. Combinatorial delivery of superparamagnetic iron oxide nanoparticles (γFe 2O 3) and doxorubicin using folate conjugated redox sensitive multiblock polymeric nanocarriers for enhancing the chemotherapeutic efficacy in cancer cells. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 75:1128-1143. [PMID: 28415398 DOI: 10.1016/j.msec.2017.03.024] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2016] [Revised: 01/02/2017] [Accepted: 03/02/2017] [Indexed: 11/28/2022]
Abstract
Redox sensitive, folate conjugated multiblock polymeric system of (-PLGA-PEG-PLGA-urethane-ss-) demonstrated self-assembly into stable nanoplatforms. The polymeric nanocarriers were encapsulated with doxorubicin and highly crystalline γFe2O3 superparamagnetic iron oxide nanoparticles (SPIONs), for co-delivery of the same to cancer cells, with average particle size of ~170nm and zeta potential of ~-33mV. Furthermore, the designed formulation was evaluated for protein adsorption, hemo-cytocompatibility and stability. Glutathione (GSH) induced redox sensitivity of the nanocarriers was depicted by ~4.47 fold increase in drug release in the presence of 10mM GSH. In vitro cellular uptake studies of the designed nanocarriers showed synergistic cytotoxic effect in folate overexpressing cells (HeLa and MDA-MB-231), after subjecting the cells to radio frequency (RF) induced hyperthermia (~43°C). Negligible effect of the combinatorial therapy was observed in normal cells (L929). The developed polymeric system depicted facile synthesis, reproducibility and potential for achieving combinatorial and targeted delivery of drug and SPIONs to cancer cells. This combinatorial approach can help in achieving better therapeutic effect with minimal side effects of chemotherapy.
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Affiliation(s)
- Chetan Nehate
- Centre for Biomedical Engineering, Indian Institute of Technology Delhi, New Delhi 110016, India; Biomedical Engineering Unit, All India Institute of Medical Sciences, New Delhi 110029, India
| | - M R Aji Alex
- Centre for Biomedical Engineering, Indian Institute of Technology Delhi, New Delhi 110016, India; Biomedical Engineering Unit, All India Institute of Medical Sciences, New Delhi 110029, India
| | - Arun Kumar
- Centre for Biomedical Engineering, Indian Institute of Technology Delhi, New Delhi 110016, India; Biomedical Engineering Unit, All India Institute of Medical Sciences, New Delhi 110029, India
| | - Veena Koul
- Centre for Biomedical Engineering, Indian Institute of Technology Delhi, New Delhi 110016, India; Biomedical Engineering Unit, All India Institute of Medical Sciences, New Delhi 110029, India.
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37
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Drug self-delivery systems for cancer therapy. Biomaterials 2017; 112:234-247. [DOI: 10.1016/j.biomaterials.2016.10.016] [Citation(s) in RCA: 351] [Impact Index Per Article: 50.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2016] [Revised: 10/03/2016] [Accepted: 10/11/2016] [Indexed: 12/26/2022]
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38
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Lee WH, Loo CY, Leong CR, Young PM, Traini D, Rohanizadeh R. The achievement of ligand-functionalized organic/polymeric nanoparticles for treating multidrug resistant cancer. Expert Opin Drug Deliv 2016; 14:937-957. [DOI: 10.1080/17425247.2017.1247804] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Wing-Hin Lee
- Respiratory Technology, Woolcock Institute of Medical Research and Discipline of Pharmacology, Sydney Medical School, University of Sydney, Sydney, Australia
| | - Ching-Yee Loo
- Respiratory Technology, Woolcock Institute of Medical Research and Discipline of Pharmacology, Sydney Medical School, University of Sydney, Sydney, Australia
| | - Chean-Ring Leong
- Section of Bioengineering Technology, Universiti Kuala Lumpur (UNIKL) MICET, Alor Gajah, Malaysia
| | - Paul M. Young
- Respiratory Technology, Woolcock Institute of Medical Research and Discipline of Pharmacology, Sydney Medical School, University of Sydney, Sydney, Australia
| | - Daniela Traini
- Respiratory Technology, Woolcock Institute of Medical Research and Discipline of Pharmacology, Sydney Medical School, University of Sydney, Sydney, Australia
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Tu L, Wang M, Zhao WY, Zhang ZZ, Tang DF, Zhang YQ, Cao H, Zhang ZG. miRNA-218-loaded carboxymethyl chitosan - Tocopherol nanoparticle to suppress the proliferation of gastrointestinal stromal tumor growth. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 72:177-184. [PMID: 28024574 DOI: 10.1016/j.msec.2016.10.052] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2016] [Revised: 08/14/2016] [Accepted: 10/24/2016] [Indexed: 12/12/2022]
Abstract
Gastrointestinal stromal tumors (GIST) are one of the most common forms of mesenchymal cancers of the gastrointestinal tract. Although chemotherapeutic drugs inhibited the proliferation of GIST, however, sizable proportion of people developed resistance and therefore difficult to treat. In the present study, O-carboxymethyl chitosan (OCMC)-tocopherol polymer conjugate was synthesized and formulated into stable polymeric nanoparticles. The main aim of present study was to increase the therapeutic efficacy of miR-218 in GIST. The mean size of nanoparticles was ~110nm with a spherical shape. The miR-218 NP has been shown inhibit the cell proliferation and exhibited a superior cell apoptosis. The miR-218 NP inhibited the cell invasion and promoted the apoptosis of GIST cancer cells. In the present study, we have successfully showed that KIT1 is the target gene of miR-218 as shown by the luciferase reporter assay. These findings collectively suggest the miR-218 loaded nanoparticle by virtue of effective transfection could act as a tumor suppressor miRNA in the treatment of GIST.
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Affiliation(s)
- Lin Tu
- Department of Gastrointestinal Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, PR China
| | - Ming Wang
- Department of Gastrointestinal Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, PR China
| | - Wen-Yi Zhao
- Department of Gastrointestinal Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, PR China
| | - Zi-Zhen Zhang
- Department of Gastrointestinal Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, PR China
| | - De-Feng Tang
- Department of Gastrointestinal Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, PR China
| | - Ye-Qian Zhang
- Department of Gastrointestinal Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, PR China
| | - Hui Cao
- Department of Gastrointestinal Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, PR China.
| | - Zhi-Gang Zhang
- State Key Laboratory for Oncogenes and Related Genes, Shanghai Cancer Institute, Ren Ji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200240, PR China.
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Gill KS, Fernandes P, O'Donovan TR, McKenna SL, Doddakula KK, Power DG, Soden DM, Forde PF. Glycolysis inhibition as a cancer treatment and its role in an anti-tumour immune response. Biochim Biophys Acta Rev Cancer 2016; 1866:87-105. [PMID: 27373814 DOI: 10.1016/j.bbcan.2016.06.005] [Citation(s) in RCA: 65] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2016] [Revised: 06/29/2016] [Accepted: 06/30/2016] [Indexed: 12/23/2022]
Abstract
Increased glycolysis is the main source of energy supply in cancer cells that use this metabolic pathway for ATP generation. Altered energy metabolism is a biochemical fingerprint of cancer cells that represents one of the "hallmarks of cancer". The immune system can prevent tumour growth by eliminating cancer cells but this editing process ultimately results in poorly immunogenic cells remaining allowing for unchallenged tumour growth. In this review we look at the glycolysis pathway as a target for cancer treatments. We also examine the interplay between the glycolysis modulation and the immune response as an anti-cancer therapy.
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Affiliation(s)
- Kheshwant S Gill
- Cork Cancer Research Centre, Western Gateway Building, University College Cork, Cork, Ireland; Cardiothoracic Surgery Department, Cork University Hospital, Cork, Ireland
| | - Philana Fernandes
- Cork Cancer Research Centre, Western Gateway Building, University College Cork, Cork, Ireland
| | - Tracey R O'Donovan
- Cork Cancer Research Centre, Western Gateway Building, University College Cork, Cork, Ireland
| | - Sharon L McKenna
- Cork Cancer Research Centre, Western Gateway Building, University College Cork, Cork, Ireland
| | | | - Derek G Power
- Cork Cancer Research Centre, Western Gateway Building, University College Cork, Cork, Ireland; Department of Medical Oncology, Mercy University Hospital, Grenville Place, Cork, Ireland
| | - Declan M Soden
- Cork Cancer Research Centre, Western Gateway Building, University College Cork, Cork, Ireland
| | - Patrick F Forde
- Cork Cancer Research Centre, Western Gateway Building, University College Cork, Cork, Ireland.
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41
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Jin G, Jin M, Jin Z, Gao Z, Yin X. Docetaxel-loaded PEG-albumin nanoparticles with improved antitumor efficiency against non-small cell lung cancer. Oncol Rep 2016; 36:871-6. [PMID: 27279008 DOI: 10.3892/or.2016.4863] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2016] [Accepted: 05/30/2016] [Indexed: 11/06/2022] Open
Abstract
The aim of the present study was mainly to assess the advantage of docetaxel-loaded PEG-albumin nanoparticles (PEG-DANPs) against non-small cell lung cancer (NSCLC) compared with the commercial product of docetaxel (Aisu®) and docetaxel-albumin nanoparticles (DANPs). We made systematic assessments on these three drugs against NSCLC both in vitro and in vivo. Based on our experiments, PEG-DANPs showed a dose- and time-dependent efficacy in the in vitro cytotoxicity studies; the tumors growth and the metastases in the livers of NSCLC-bearing nude mice in vivo were reduced dmarkedly by PEG-DANPs, and the PEG-DANP-treated mice had a minimum of weight loss; furthermore, the mice which were treated with PEG-DANPs can survive longer than the other groups. In conclusion, the PEG-DANPs have the lowest side-effects, and the highest antitumor and metastases activity of the three drugs, and it may provide an alternative to patients with NSCLC.
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Affiliation(s)
- Guangming Jin
- Yanbian University Hospital, Yanji, Jilin 133000, P.R. China
| | - Mingji Jin
- State Key Laboratory of Bioactive Substance and Functions of Natural Medicines, Beijing Key Laboratory of Drug Delivery Technology and Novel Formulations, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, P.R. China
| | - Zhehu Jin
- Yanbian University Hospital, Yanji, Jilin 133000, P.R. China
| | - Zhonggao Gao
- State Key Laboratory of Bioactive Substance and Functions of Natural Medicines, Beijing Key Laboratory of Drug Delivery Technology and Novel Formulations, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, P.R. China
| | - Xuezhe Yin
- Yanbian University Hospital, Yanji, Jilin 133000, P.R. China
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Palao-Suay R, Gómez-Mascaraque L, Aguilar M, Vázquez-Lasa B, Román JS. Self-assembling polymer systems for advanced treatment of cancer and inflammation. Prog Polym Sci 2016. [DOI: 10.1016/j.progpolymsci.2015.07.005] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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43
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Capsid-like supramolecular dendritic systems as pH-responsive nanocarriers for drug penetration and site-specific delivery. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2016; 12:355-64. [DOI: 10.1016/j.nano.2015.09.015] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2015] [Revised: 09/23/2015] [Accepted: 09/24/2015] [Indexed: 12/20/2022]
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44
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Stefani S, Kurniasih IN, Sharma SK, Böttcher C, Servin P, Haag R. Triglycerol-based hyperbranched polyesters with an amphiphilic branched shell as novel biodegradable drug delivery systems. Polym Chem 2016. [DOI: 10.1039/c5py01314c] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
A set of biodegradable nanocarriers characterized by a hyperbranched polyester core and an amphiphilic branched shell was developed and employed to efficiently solubilize hydrophobic drugs in aqueous media.
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Affiliation(s)
| | - Indah N. Kurniasih
- Institute of Chemistry and Biochemistry
- Freie Universität Berlin
- 14195 Berlin
- Germany
| | | | - Christoph Böttcher
- Institute of Chemistry and Biochemistry
- Freie Universität Berlin
- 14195 Berlin
- Germany
| | | | - Rainer Haag
- Institute of Chemistry and Biochemistry
- Freie Universität Berlin
- 14195 Berlin
- Germany
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Ahmad J, Akhter S, Greig NH, Kamal MA, Midoux P, Pichon C. Engineered Nanoparticles Against MDR in Cancer: The State of the Art and its Prospective. Curr Pharm Des 2016; 22:4360-4373. [PMID: 27319945 PMCID: PMC5182049 DOI: 10.2174/1381612822666160617112111] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2016] [Accepted: 07/15/2016] [Indexed: 01/07/2023]
Abstract
Cancer is a highly heterogeneous disease at intra/inter patient levels and known as the leading cause of death worldwide. A variety of mono and combinational therapies including chemotherapy have been evolved over the years for its effective treatment. However, advent of chemotherapeutic resistance or multidrug resistance (MDR) in cancer is a major challenge researchers are facing in cancer chemotherapy. MDR is a complex process having multifaceted non-cellular or cellular-based mechanisms. Research in the area of cancer nanotechnology over the past two decade has now proven that the smartly designed nanoparticles help in successful chemotherapy by overcoming the MDR and preferentially accumulate in the tumor region by means of active and passive targeting therefore reducing the offtarget accumulation of payload. Many of such nanoparticles are in different stages of clinical trials as nanomedicines showing promising result in cancer therapy including the resistant cases. Nanoparticles as chemotherapeutics carriers offer the opportunity to have multiple payload of drug and or imaging agents for combinational and theranostics therapy. Moreover, nanotechnology further bring in notice the new treatment strategies such as combining the NIR, MRI and HIFU in cancer chemotherapy and imaging. Here, we discussed the cellular/non-cellular factors constituting the MDR in cancer and the role of nanomedicines in effective chemotherapy of MDR cases of cancers. Moreover, recent advancements like combinational payload delivery and combined physical approach with nanotechnology in cancer therapy have also been discussed.
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Affiliation(s)
- Javed Ahmad
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Raebareli, UP-229010, India
| | - Sohail Akhter
- LE STUDIUM Loire Valley Institute for Advanced Studies, Centre-Val de Loire region, France
- Nucleic acids transfer by non-viral methods, Centre de Biophysique Moléculaire, CNRS UPR4301, Orléans, France
| | - Nigel H. Greig
- Drug Design & Development Section, Translational Gerontology Branch, Intramural Research Program, National, Institute on Aging, National Institutes of Health, Biomedical Research Center, 251 Bayview Boulevard, Baltimore, MD 21224, USA
| | - Mohammad Amjad Kamal
- Metabolomics & Enzymology Unit, Fundamental and Applied Biology Group, King Fahd Medical Research Center, King Abdulaziz University, P. O. Box 80216, Jeddah 21589, Saudi Arabia
- Enzymoics, 7 Peterlee Place, Hebersham, NSW 2770, Australia
| | - Patrick Midoux
- Nucleic acids transfer by non-viral methods, Centre de Biophysique Moléculaire, CNRS UPR4301, Orléans, France
| | - Chantal Pichon
- Nucleic acids transfer by non-viral methods, Centre de Biophysique Moléculaire, CNRS UPR4301, Orléans, France
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46
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Martins AM, Tanbour R, Elkhodiry MA, Husseini GA. Ultrasound-induced doxorubicin release from folate-targeted and non-targeted P105 micelles: a modeling study. EUROPEAN JOURNAL OF NANOMEDICINE 2016. [DOI: 10.1515/ejnm-2015-0045] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
AbstractThe aim of this work is to study the kinetics of ultrasound (70 kHz) – using a kinetic model that takes into account cavitation events and drug re-encapsulation upon the cessation of the acoustic field. The simulation allowed the determination of three parameters
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47
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Enhanced thermogenic program by non-viral delivery of combinatory browning genes to treat diet-induced obesity in mice. Biomaterials 2015; 73:32-41. [DOI: 10.1016/j.biomaterials.2015.09.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2015] [Revised: 09/04/2015] [Accepted: 09/09/2015] [Indexed: 12/14/2022]
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48
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Nguyen DH, Lee JS, Bae JW, Choi JH, Lee Y, Son JY, Park KD. Targeted doxorubicin nanotherapy strongly suppressing growth of multidrug resistant tumor in mice. Int J Pharm 2015; 495:329-335. [DOI: 10.1016/j.ijpharm.2015.08.083] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2015] [Accepted: 08/26/2015] [Indexed: 11/16/2022]
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49
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JIN GUANGMING, JIN MINGJI, YIN XUEZHE, JIN ZHEHU, CHEN LIQING, GAO ZHONGGAO. A comparative study on the effect of docetaxel-albumin nanoparticles and docetaxel-loaded PEG-albumin nanoparticles against non-small cell lung cancer. Int J Oncol 2015; 47:1945-53. [DOI: 10.3892/ijo.2015.3174] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2015] [Accepted: 09/09/2015] [Indexed: 11/06/2022] Open
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50
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Gao Y, Zhou Y, Zhao L, Zhang C, Li Y, Li J, Li X, Liu Y. Enhanced antitumor efficacy by cyclic RGDyK-conjugated and paclitaxel-loaded pH-responsive polymeric micelles. Acta Biomater 2015; 23:127-135. [PMID: 26013038 DOI: 10.1016/j.actbio.2015.05.021] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2015] [Revised: 04/14/2015] [Accepted: 05/19/2015] [Indexed: 12/25/2022]
Abstract
Cyclic RGDyK (cRGDyK)-conjugated pH-sensitive polymeric micelles were fabricated for targeted delivery of paclitaxel to prostate cancer cells based on pH-sensitive copolymer poly(2-ethyl-2-oxazoline)-poly(D,L-lactide) (PEOz-PLA) and cRGDyK-PEOz-PLA to enhance antitumor efficacy. The prepared micelles with an average diameter of about 28nm exhibited rapid release behavior at endo/lysosome pH, effectively enhanced the cytotoxicity of paclitaxel to PC-3 cells by increasing the cellular uptake, which was correlated with integrin αvβ3 expression in tumor cells. The active targeting activity of the micelles was further confirmed by in vivo real time near-infrared fluorescence imaging in PC-3 tumor-bearing nude mice. Moreover, the active targeting and pH-sensitivity endowed cRGDyK-conjugated micelles with a higher antitumor effect in PC-3 xenograft-bearing nude mice compared with unmodified micelles and Taxol with negligible systemic toxicity. Therefore, these results suggested that cRGDyK-conjugated pH-sensitive polymeric micelles may be a promising delivery system for efficient delivery of anticancer drugs to treat integrin αvβ3-rich prostate cancers.
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