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Zhang S, Kong N, Wang Z, Zhang Y, Ni C, Li L, Wang H, Yang M, Yang W, Yan F. Nanochemistry of gold: from surface engineering to dental healthcare applications. Chem Soc Rev 2024; 53:3656-3686. [PMID: 38502089 DOI: 10.1039/d3cs00894k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/20/2024]
Abstract
Advancements in nanochemistry have led to the development of engineered gold nanostructures (GNSs) with remarkable potential for a variety of dental healthcare applications. These innovative nanomaterials offer unique properties and functionalities that can significantly improve dental diagnostics, treatment, and overall oral healthcare applications. This review provides an overview of the latest advancements in the design, synthesis, and application of GNSs for dental healthcare applications. Engineered GNSs have emerged as versatile tools, demonstrating immense potential across different aspects of dentistry, including enhanced imaging and diagnosis, prevention, bioactive coatings, and targeted treatment of oral diseases. Key highlights encompass the precise control over GNSs' size, crystal structure, shape, and surface functionalization, enabling their integration into sensing, imaging diagnostics, drug delivery systems, and regenerative therapies. GNSs, with their exceptional biocompatibility and antimicrobial properties, have demonstrated efficacy in combating dental caries, periodontitis, peri-implantitis, and oral mucosal diseases. Additionally, they show great promise in the development of advanced sensing techniques for early diagnosis, such as nanobiosensor technology, while their role in targeted drug delivery, photothermal therapy, and immunomodulatory approaches has opened new avenues for oral cancer therapy. Challenges including long-term toxicity, biosafety, immune recognition, and personalized treatment are under rigorous investigation. As research at the intersection of nanotechnology and dentistry continues to thrive, this review highlights the transformative potential of engineered GNSs in revolutionizing dental healthcare, offering accurate, personalized, and minimally invasive solutions to address the oral health challenges of the modern era.
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Affiliation(s)
- Shuang Zhang
- Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Institute of Stomatology, Nanjing University, Nanjing, China.
| | - Na Kong
- School of Life and Environmental Science, Centre for Sustainable Bioproducts, Deakin University, Geelong, VIC, Australia.
- Hainan Provincial Key Laboratory of Natural Rubber Processing, Agricultural Products Processing Research Institute, Chinese Academy of Tropical Agricultural Sciences, Zhanjiang, China
| | - Zezheng Wang
- Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Institute of Stomatology, Nanjing University, Nanjing, China.
| | - Yangheng Zhang
- Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Institute of Stomatology, Nanjing University, Nanjing, China.
| | - Can Ni
- Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Institute of Stomatology, Nanjing University, Nanjing, China.
| | - Lingjun Li
- Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Institute of Stomatology, Nanjing University, Nanjing, China.
| | - Hongbin Wang
- School of Chemistry and Environment, Yunnan Minzu University, Kunming, China
| | - Min Yang
- School of Chemistry and Environment, Yunnan Minzu University, Kunming, China
| | - Wenrong Yang
- School of Life and Environmental Science, Centre for Sustainable Bioproducts, Deakin University, Geelong, VIC, Australia.
| | - Fuhua Yan
- Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Institute of Stomatology, Nanjing University, Nanjing, China.
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Alden NA, Yeingst TJ, Pfeiffer HM, Celik N, Arrizabalaga JH, Helton AM, Liu Y, Stairs DB, Glick AB, Goyal N, Hayes DJ. Near-Infrared Induced miR-34a Delivery from Nanoparticles in Esophageal Cancer Treatment. Adv Healthc Mater 2024; 13:e2303593. [PMID: 38215360 PMCID: PMC11032112 DOI: 10.1002/adhm.202303593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 12/21/2023] [Indexed: 01/14/2024]
Abstract
Current nucleic acid delivery methods have not achieved efficient, non-toxic delivery of miRNAs with tumor-specific selectivity. In this study, a new delivery system based on light-inducible gold-silver-gold, core-shell-shell (CSS) nanoparticles is presented. This system delivers small nucleic acid therapeutics with precise spatiotemporal control, demonstrating the potential for achieving tumor-specific selectivity and efficient delivery of miRNA mimics. The light-inducible particles leverage the photothermal heating of metal nanoparticles due to the local surface plasmonic resonance for controlled chemical cleavage and release of the miRNA mimic payload. The CSS morphology and composition result in a plasmonic resonance within the near-infrared (NIR) region of the light spectrum. Through this method, exogenous miR-34a-5p mimics are effectively delivered to human squamous cell carcinoma TE10 cells, leading to apoptosis induction without adverse effects on untransformed keratinocytes in vitro. The CSS nanoparticle delivery system is tested in vivo in Foxn1nu athymic nude mice with bilateral human esophageal TE10 cancer cells xenografts. These experiments reveal that this CSS nanoparticle conjugates, when systemically administered, followed by 850 nm light emitting diode irradiation at the tumor site, 6 h post-injection, produce a significant and sustained reduction in tumor volume, exceeding 87% in less than 72 h.
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Affiliation(s)
- Nick A. Alden
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA 16802, United States
| | - Tyus J. Yeingst
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA 16802, United States
| | - Hanna M. Pfeiffer
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA 16802, United States
| | - Nazmiye Celik
- The Huck Institute of the Life Sciences, Millennium Science Complex, The Pennsylvania State University, University Park, PA 16802, United States
- Department of Engineering Science and Mechanics, Penn State University, 212 Earth-Engineering Sciences Bldg., University Park, PA 16802, United States
| | - Julien H. Arrizabalaga
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA 16802, United States
| | - Angelica M. Helton
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA 16802, United States
| | - Yiming Liu
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA 16802, United States
| | - Douglas B. Stairs
- Department of Pathology, College of Medicine, The Pennsylvania State University, Hershey, PA 17033, United States
- Penn State Cancer Institute, College of Medicine, The Pennsylvania State University, Hershey, PA 17033, United States
| | - Adam B. Glick
- The Huck Institute of the Life Sciences, Millennium Science Complex, The Pennsylvania State University, University Park, PA 16802, United States
- Department of Veterinary and Biomedical Sciences, The Pennsylvania State University, University Park, PA 16802, United States
- The Center for Molecular Toxicology and Carcinogenesis, The Pennsylvania State University, University Park, PA 16802, United States
| | - Neerav Goyal
- Department of Otolaryngology - Head and Neck Surgery, College of Medicine, The Pennsylvania State University, Hershey, PA 17033, United States
| | - Daniel J. Hayes
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA 16802, United States
- The Huck Institute of the Life Sciences, Millennium Science Complex, The Pennsylvania State University, University Park, PA 16802, United States
- Materials Research Institute, Millennium Science Complex, The Pennsylvania State University, University Park, PA 16802, United States
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3
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Zhang CC, Zhang JY, Feng JR, Liu ST, Ding SJ, Ma L, Wang QQ. Plasmon-enhanced second harmonic generation of metal nanostructures. NANOSCALE 2024; 16:5960-5975. [PMID: 38446099 DOI: 10.1039/d3nr06675d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/07/2024]
Abstract
As the most common nonlinear optical process, second harmonic generation (SHG) has important application value in the field of nanophotonics. With the rapid development of metal nanomaterial processing and chemical preparation technology, various structures based on metal nanoparticles have been used to achieve the enhancement and modulation of SHG. In the field of nonlinear optics, plasmonic metal nanostructures have become potential candidates for nonlinear optoelectronic devices because of their highly adjustable physical characteristics. In this article, first, the basic optical principles of SHG and the source of surface symmetry breaking in metal nanoparticles are briefly introduced. Next, the related reports on SHG in metal nanostructures are reviewed from three aspects: the enhancement of SHG efficiency by double resonance structures, the SHG effect based on magnetic resonance and the harmonic energy transfer. Then, the applications of SHG in the sensing, imaging and in situ monitoring of metal nanostructures are summarized. Future opportunities for SHG in composite systems composed of metal nanostructures and two-dimensional materials are also proposed.
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Affiliation(s)
- Cong-Cong Zhang
- School of Mathematics and Physics, China University of Geosciences (Wuhan), Wuhan 430074, P. R. China.
| | - Jia-Yi Zhang
- School of Mathematics and Physics, China University of Geosciences (Wuhan), Wuhan 430074, P. R. China.
| | - Jing-Ru Feng
- School of Mathematics and Physics, China University of Geosciences (Wuhan), Wuhan 430074, P. R. China.
| | - Si-Ting Liu
- School of Mathematics and Physics, China University of Geosciences (Wuhan), Wuhan 430074, P. R. China.
| | - Si-Jing Ding
- School of Mathematics and Physics, China University of Geosciences (Wuhan), Wuhan 430074, P. R. China.
| | - Liang Ma
- Hubei Key Laboratory of Optical Information and Pattern Recognition, Wuhan Institute of Technology, Wuhan 430205, P. R. China.
| | - Qu-Quan Wang
- School of Science, Department of Physics, Southern University of Science and Technology, Shenzhen 518055, P. R. China.
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4
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Bhanja D, Wilding H, Baroz A, Trifoi M, Shenoy G, Slagle-Webb B, Hayes D, Soudagar Y, Connor J, Mansouri A. Photodynamic Therapy for Glioblastoma: Illuminating the Path toward Clinical Applicability. Cancers (Basel) 2023; 15:3427. [PMID: 37444537 DOI: 10.3390/cancers15133427] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 06/24/2023] [Accepted: 06/28/2023] [Indexed: 07/15/2023] Open
Abstract
Glioblastoma (GBM) is the most common adult brain cancer. Despite extensive treatment protocols comprised of maximal surgical resection and adjuvant chemo-radiation, all glioblastomas recur and are eventually fatal. Emerging as a novel investigation for GBM treatment, photodynamic therapy (PDT) is a light-based modality that offers spatially and temporally specific delivery of anti-cancer therapy with limited systemic toxicity, making it an attractive option to target GBM cells remaining beyond the margins of surgical resection. Prior PDT approaches in GBM have been predominantly based on 5-aminolevulinic acid (5-ALA), a systemically administered drug that is metabolized only in cancer cells, prompting the release of reactive oxygen species (ROS), inducing tumor cell death via apoptosis. Hence, this review sets out to provide an overview of current PDT strategies, specifically addressing both the potential and shortcomings of 5-ALA as the most implemented photosensitizer. Subsequently, the challenges that impede the clinical translation of PDT are thoroughly analyzed, considering relevant gaps in the current PDT literature, such as variable uptake of 5-ALA by tumor cells, insufficient tissue penetrance of visible light, and poor oxygen recovery in 5-ALA-based PDT. Finally, novel investigations with the potential to improve the clinical applicability of PDT are highlighted, including longitudinal PDT delivery, photoimmunotherapy, nanoparticle-linked photosensitizers, and near-infrared radiation. The review concludes with commentary on clinical trials currently furthering the field of PDT for GBM. Ultimately, through addressing barriers to clinical translation of PDT and proposing solutions, this review provides a path for optimizing PDT as a paradigm-shifting treatment for GBM.
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Affiliation(s)
- Debarati Bhanja
- Department of Neurosurgery, Penn State College of Medicine, Hershey, PA 17033, USA
| | - Hannah Wilding
- Department of Neurosurgery, Penn State College of Medicine, Hershey, PA 17033, USA
| | - Angel Baroz
- Department of Neurosurgery, Penn State College of Medicine, Hershey, PA 17033, USA
| | - Mara Trifoi
- Department of Neurosurgery, Penn State College of Medicine, Hershey, PA 17033, USA
| | - Ganesh Shenoy
- Department of Neurosurgery, Penn State College of Medicine, Hershey, PA 17033, USA
| | - Becky Slagle-Webb
- Department of Neurosurgery, Penn State College of Medicine, Hershey, PA 17033, USA
| | - Daniel Hayes
- Department of Biomedical Engineering, Pennsylvania State University, State College, PA 16801, USA
| | | | - James Connor
- Department of Neurosurgery, Penn State College of Medicine, Hershey, PA 17033, USA
- Penn State Cancer Institute, Penn State Health, Hershey, PA 17033, USA
| | - Alireza Mansouri
- Department of Neurosurgery, Penn State College of Medicine, Hershey, PA 17033, USA
- Penn State Cancer Institute, Penn State Health, Hershey, PA 17033, USA
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5
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Arrizabalaga JH, Casey JS, Becca JC, Liu Y, Jensen L, Hayes DJ. Development of Magnetic Nanoparticles for the Intracellular Delivery of miR-148b in Non-Small Cell Lung Cancer. BIOMEDICAL ENGINEERING ADVANCES 2022. [DOI: 10.1016/j.bea.2022.100031] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
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6
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Bolaños K, Sánchez-Navarro M, Giralt E, Acosta G, Albericio F, Kogan MJ, Araya E. NIR and glutathione trigger the surface release of methotrexate linked by Diels-Alder adducts to anisotropic gold nanoparticles. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 131:112512. [PMID: 34857291 DOI: 10.1016/j.msec.2021.112512] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2021] [Revised: 09/02/2021] [Accepted: 10/20/2021] [Indexed: 12/14/2022]
Abstract
The administration and controlled release of drugs over time remains one of the greatest challenges of science today. In the nanomaterials field, anisotropic gold nanoparticles (AuNPs) with plasmon bands centered at the near-infrared region (NIR), such as gold nanorods (AuNRs) and gold nanoprisms (AuNPrs), under laser irradiation, locally increase the temperature, allowing the release of drugs. In this sense, temporally controlled drug delivery could be promoted by external stimuli using thermo-reversible chemical reactions, such as Diels-Alder cycloadditions from a diene and a dienophile fragment (compound a). In this study, an antitumor drug (methotrexate, MTX) was linked to plasmonic AuNPs by a Diels-Alder adduct (compound c), which after NIR suffers a retro-Diels-Alder reaction, producing release of the drug (compound b). We obtained two nanosystems based on AuNRs and AuNPrs. Both nanoconstructs were coated with BSA-r8 (Bovine Serum Albumin functionalized with Arg8, all-D octa arginine) in order to increase the colloidal stability and promote internalization of the nanosystems on HeLa and SK-BR-3 cells. In addition, the presence of BSA allows protecting the cargo from being released on the extracellular environment and promotes the photothermal release of the drug in the presence of glutathione (GSH). The nanosystems' drug release profile was evaluated after NIR irradiation in the presence and absence of glutathione (GSH), showing a considerable increase of drug release when NIR light and glutathione were combined. This work broadens the range of possibilities of using two complementary strategies for the controlled release of an antitumor drug from AuNRs and AuNPrs: the photothermal cleavage of a thermolabile adduct controlled by an external stimulus (laser irradiation), complemented with the use of the intracellular metabolite GSH.
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Affiliation(s)
- Karen Bolaños
- Advanced Center of Chronic Diseases, Santiago, Chile; Center for studies on Exercise, Metabolism and Cancer (CEMC), Laboratory of Cellular Communication, Program of Cell and Molecular Biology, Faculty of Medicine, Institute of Biomedical Sciences (ICBM), Universidad de Chile, Santiago, Chile; Departamento de Química Farmacológica y Toxicológica, Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Santiago, Chile.
| | - Macarena Sánchez-Navarro
- Institute for Research in Biomedicine-Barcelona Institute of Science and Technology, Baldiri Reixac 10, 08028 Barcelona, Spain
| | - Ernest Giralt
- Institute for Research in Biomedicine-Barcelona Institute of Science and Technology, Baldiri Reixac 10, 08028 Barcelona, Spain; Department of Inorganic and Organic Chemistry, University of Barcelona, Barcelona, Spain
| | - Gerardo Acosta
- Department of Inorganic and Organic Chemistry, University of Barcelona, Barcelona, Spain; CIBER-BBN, Networking Centre on Bioengineering, Biomaterials and Nanomedicine, Spain
| | - Fernando Albericio
- Department of Inorganic and Organic Chemistry, University of Barcelona, Barcelona, Spain; CIBER-BBN, Networking Centre on Bioengineering, Biomaterials and Nanomedicine, Spain; School of Chemistry and Physics, University of KwaZulu-Natal, Durban, South Africa
| | - Marcelo J Kogan
- Advanced Center of Chronic Diseases, Santiago, Chile; Departamento de Química Farmacológica y Toxicológica, Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Santiago, Chile.
| | - Eyleen Araya
- Departamento de Ciencias Quimicas, Facultad de Ciencias Exactas, Universidad Andres Bello, Santiago, Chile.
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7
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Rayamajhi S, Wilson S, Aryal S, DeLong R. Biocompatible FePO 4 Nanoparticles: Drug Delivery, RNA Stabilization, and Functional Activity. NANOSCALE RESEARCH LETTERS 2021; 16:169. [PMID: 34837559 PMCID: PMC8626714 DOI: 10.1186/s11671-021-03626-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Accepted: 11/11/2021] [Indexed: 06/13/2023]
Abstract
FePO4 NPs are of special interest in food fortification and biomedical imaging because of their biocompatibility, high bioavailability, magnetic property, and superior sensory performance that do not cause adverse organoleptic effects. These characteristics are desirable in drug delivery as well. Here, we explored the FePO4 nanoparticles as a delivery vehicle for the anticancer drug, doxorubicin, with an optimum drug loading of 26.81% ± 1.0%. This loading further enforces the formation of Fe3+ doxorubicin complex resulting in the formation of FePO4-DOX nanoparticles. FePO4-DOX nanoparticles showed a good size homogeneity and concentration-dependent biocompatibility, with over 70% biocompatibility up to 80 µg/mL concentration. Importantly, cytotoxicity analysis showed that Fe3+ complexation with DOX in FePO4-DOX NPs enhanced the cytotoxicity by around 10 times than free DOX and improved the selectivity toward cancer cells. Furthermore, FePO4 NPs temperature-stabilize RNA and support mRNA translation activity showing promises for RNA stabilizing agents. The results show the biocompatibility of iron-based inorganic nanoparticles, their drug and RNA loading, stabilization, and delivery activity with potential ramifications for food fortification and drug/RNA delivery.
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Affiliation(s)
- Sagar Rayamajhi
- Department of Chemistry, Kansas State University, Manhattan, KS, 66502, USA
- Nanotechnology Innovation Center of Kansas State, College of Veterinary Medicine, Kansas State University, Manhattan, KS, 66502, USA
| | - Sarah Wilson
- Nanotechnology Innovation Center of Kansas State, College of Veterinary Medicine, Kansas State University, Manhattan, KS, 66502, USA
| | - Santosh Aryal
- Department of Pharmaceutical Sciences and Health Outcomes, The Ben and Maytee Fisch College of Pharmacy, The University of Texas at Tyler, Tyler, TX, 75799, USA.
| | - Robert DeLong
- Nanotechnology Innovation Center of Kansas State, College of Veterinary Medicine, Kansas State University, Manhattan, KS, 66502, USA.
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8
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Dikkumbura A, Hamal P, Chen M, Babayode DA, Ranasinghe JC, Lopata K, Haber LH. Growth Dynamics of Colloidal Silver-Gold Core-Shell Nanoparticles Studied by In Situ Second Harmonic Generation and Extinction Spectroscopy. THE JOURNAL OF PHYSICAL CHEMISTRY. C, NANOMATERIALS AND INTERFACES 2021; 125:25615-25623. [PMID: 34868446 PMCID: PMC8631735 DOI: 10.1021/acs.jpcc.1c06094] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 10/29/2021] [Indexed: 05/11/2023]
Abstract
The in situ growth dynamics of colloidal silver-gold core-shell (Ag@Au CS) nanoparticles (NPs) in water are monitored in a stepwise synthesis approach using time-dependent second harmonic generation (SHG) and extinction spectroscopy. Three sequential additions of chloroauric acid, sodium citrate, and hydroquinone are added to the silver nanoparticle solution to grow a gold shell around a silver core. The first addition produces a stable urchin-like surface morphology, while the second and third additions continue to grow the gold shell thickness as the surface becomes more smooth and uniform, as determined using transmission electron microscopy. The extinction spectra after each addition are compared to finite-difference time-domain (FDTD) calculations, showing large deviations for the first and second additions due to the bumpy surface morphology and plasmonic hotspots while showing general agreement after the third addition reaches equilibrium. The in situ SHG signal is dominated by the NP surface, providing complementary information on the growth time scales due to changes to the surface morphology. This combined approach of synthesis and characterization of Ag@Au CS nanoparticles with in situ SHG spectroscopy, extinction spectroscopy, and FDTD calculations provides a detailed foundation for investigating complex colloidal nanoparticle growth mechanisms and dynamics in developing enhanced plasmonic nanomaterial technologies.
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Affiliation(s)
- Asela
S. Dikkumbura
- Department
of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, United States
| | - Prakash Hamal
- Department
of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, United States
| | - Min Chen
- Department
of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, United States
| | - Daniel A. Babayode
- Department
of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, United States
| | - Jeewan C. Ranasinghe
- Department
of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, United States
| | - Kenneth Lopata
- Center
for Computation and Technology, Louisiana
State University, Baton Rouge, Louisiana 70803, United States
| | - Louis H. Haber
- Department
of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, United States
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9
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Hamal P, Subasinghege Don V, Nguyenhuu H, Ranasinghe JC, Nauman JA, McCarley RL, Kumar R, Haber LH. Influence of Temperature on Molecular Adsorption and Transport at Liposome Surfaces Studied by Molecular Dynamics Simulations and Second Harmonic Generation Spectroscopy. J Phys Chem B 2021; 125:10506-10513. [PMID: 34495664 PMCID: PMC8474114 DOI: 10.1021/acs.jpcb.1c04263] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
A fundamental understanding of the kinetics and thermodynamics of chemical interactions at the phospholipid bilayer interface is crucial for developing potential drug-delivery applications. Here we use molecular dynamics (MD) simulations and surface-sensitive second harmonic generation (SHG) spectroscopy to study the molecular adsorption and transport of a small organic cation, malachite green (MG), at the surface of 1,2-dioleoyl-sn-glycero-3-phospho-(1'-rac-glycerol) (DOPG) liposomes in water at different temperatures. The temperature-dependent adsorption isotherms, obtained by SHG measurements, provide information on adsorbate concentration, free energy of adsorption, and associated changes in enthalpy and entropy, showing that the adsorption process is exothermic, resulting in increased overall entropy. Additionally, the molecular transport kinetics are found to be more rapid under higher temperatures. Corresponding MD simulations are used to calculate the free energy profiles of the adsorption and the molecular orientation distributions of MG at different temperatures, showing excellent agreement with the experimental results.
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Affiliation(s)
- Prakash Hamal
- Department of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803-1804, United States
| | - Visal Subasinghege Don
- Department of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803-1804, United States
| | - Huy Nguyenhuu
- Department of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803-1804, United States
| | - Jeewan C Ranasinghe
- Department of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803-1804, United States
| | - Julia A Nauman
- Department of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803-1804, United States
| | - Robin L McCarley
- Department of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803-1804, United States
| | - Revati Kumar
- Department of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803-1804, United States
| | - Louis H Haber
- Department of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803-1804, United States
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Rinoldi C, Zargarian SS, Nakielski P, Li X, Liguori A, Petronella F, Presutti D, Wang Q, Costantini M, De Sio L, Gualandi C, Ding B, Pierini F. Nanotechnology-Assisted RNA Delivery: From Nucleic Acid Therapeutics to COVID-19 Vaccines. SMALL METHODS 2021; 5:e2100402. [PMID: 34514087 PMCID: PMC8420172 DOI: 10.1002/smtd.202100402] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 07/04/2021] [Indexed: 05/07/2023]
Abstract
In recent years, the main quest of science has been the pioneering of the groundbreaking biomedical strategies needed for achieving a personalized medicine. Ribonucleic acids (RNAs) are outstanding bioactive macromolecules identified as pivotal actors in regulating a wide range of biochemical pathways. The ability to intimately control the cell fate and tissue activities makes RNA-based drugs the most fascinating family of bioactive agents. However, achieving a widespread application of RNA therapeutics in humans is still a challenging feat, due to both the instability of naked RNA and the presence of biological barriers aimed at hindering the entrance of RNA into cells. Recently, material scientists' enormous efforts have led to the development of various classes of nanostructured carriers customized to overcome these limitations. This work systematically reviews the current advances in developing the next generation of drugs based on nanotechnology-assisted RNA delivery. The features of the most used RNA molecules are presented, together with the development strategies and properties of nanostructured vehicles. Also provided is an in-depth overview of various therapeutic applications of the presented systems, including coronavirus disease vaccines and the newest trends in the field. Lastly, emerging challenges and future perspectives for nanotechnology-mediated RNA therapies are discussed.
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Affiliation(s)
- Chiara Rinoldi
- Department of Biosystems and Soft MatterInstitute of Fundamental Technological ResearchPolish Academy of Sciencesul. Pawińskiego 5BWarsaw02‐106Poland
| | - Seyed Shahrooz Zargarian
- Department of Biosystems and Soft MatterInstitute of Fundamental Technological ResearchPolish Academy of Sciencesul. Pawińskiego 5BWarsaw02‐106Poland
| | - Pawel Nakielski
- Department of Biosystems and Soft MatterInstitute of Fundamental Technological ResearchPolish Academy of Sciencesul. Pawińskiego 5BWarsaw02‐106Poland
| | - Xiaoran Li
- Innovation Center for Textile Science and TechnologyDonghua UniversityWest Yan'an Road 1882Shanghai200051China
| | - Anna Liguori
- Department of Chemistry “Giacomo Ciamician” and INSTM UdR of BolognaUniversity of BolognaVia Selmi 2Bologna40126Italy
| | - Francesca Petronella
- Institute of Crystallography CNR‐ICNational Research Council of ItalyVia Salaria Km 29.300Monterotondo – Rome00015Italy
| | - Dario Presutti
- Institute of Physical ChemistryPolish Academy of Sciencesul. M. Kasprzaka 44/52Warsaw01‐224Poland
| | - Qiusheng Wang
- Innovation Center for Textile Science and TechnologyDonghua UniversityWest Yan'an Road 1882Shanghai200051China
| | - Marco Costantini
- Institute of Physical ChemistryPolish Academy of Sciencesul. M. Kasprzaka 44/52Warsaw01‐224Poland
| | - Luciano De Sio
- Department of Medico‐Surgical Sciences and BiotechnologiesResearch Center for BiophotonicsSapienza University of RomeCorso della Repubblica 79Latina04100Italy
- CNR‐Lab. LicrylInstitute NANOTECArcavacata di Rende87036Italy
| | - Chiara Gualandi
- Department of Chemistry “Giacomo Ciamician” and INSTM UdR of BolognaUniversity of BolognaVia Selmi 2Bologna40126Italy
- Interdepartmental Center for Industrial Research on Advanced Applications in Mechanical Engineering and Materials TechnologyCIRI‐MAMUniversity of BolognaViale Risorgimento 2Bologna40136Italy
| | - Bin Ding
- Innovation Center for Textile Science and TechnologyDonghua UniversityWest Yan'an Road 1882Shanghai200051China
| | - Filippo Pierini
- Department of Biosystems and Soft MatterInstitute of Fundamental Technological ResearchPolish Academy of Sciencesul. Pawińskiego 5BWarsaw02‐106Poland
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Kumar R, Mondal K, Panda PK, Kaushik A, Abolhassani R, Ahuja R, Rubahn HG, Mishra YK. Core-shell nanostructures: perspectives towards drug delivery applications. J Mater Chem B 2020; 8:8992-9027. [PMID: 32902559 DOI: 10.1039/d0tb01559h] [Citation(s) in RCA: 74] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Nanosystems have shown encouraging outcomes and substantial progress in the areas of drug delivery and biomedical applications. However, the controlled and targeted delivery of drugs or genes can be limited due to their physicochemical and functional properties. In this regard, core-shell type nanoparticles are promising nanocarrier systems for controlled and targeted drug delivery applications. These functional nanoparticles are emerging as a particular class of nanosystems because of their unique advantages, including high surface area, and easy surface modification and functionalization. Such unique advantages can facilitate the use of core-shell nanoparticles for the selective mingling of two or more different functional properties in a single nanosystem to achieve the desired physicochemical properties that are essential for effective targeted drug delivery. Several types of core-shell nanoparticles, such as metallic, magnetic, silica-based, upconversion, and carbon-based core-shell nanoparticles, have been designed and developed for drug delivery applications. Keeping the scope, demand, and challenges in view, the present review explores state-of-the-art developments and advances in core-shell nanoparticle systems, the desired structure-property relationships, newly generated properties, the effects of parameter control, surface modification, and functionalization, and, last but not least, their promising applications in the fields of drug delivery, biomedical applications, and tissue engineering. This review also supports significant future research for developing multi-core and shell-based functional nanosystems to investigate nano-therapies that are needed for advanced, precise, and personalized healthcare systems.
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Affiliation(s)
- Raj Kumar
- Faculty of Engineering and Institute of Nanotechnology and Advanced Materials, Bar Ilan University, Ramat Gan-52900, Israel.
| | - Kunal Mondal
- Materials Science and Engineering Department, Idaho National Laboratory, Idaho Falls, ID 83415, USA.
| | - Pritam Kumar Panda
- Condensed Matter Theory Group, Materials Theory Division, Department of Physics and Astronomy, Uppsala University, Box 516, SE-75120, Uppsala, Sweden
| | - Ajeet Kaushik
- NanoBioTech Laboratory, Department of Natural Sciences, Division of Sciences, Art, & Mathematics, Florida Polytechnic University, Lakeland, FL-33805, USA
| | - Reza Abolhassani
- Mads Clausen Institute, NanoSYD, University of Southern Denmark, Alsion 2, DK-6400, Sønderborg, Denmark.
| | - Rajeev Ahuja
- Condensed Matter Theory Group, Materials Theory Division, Department of Physics and Astronomy, Uppsala University, Box 516, SE-75120, Uppsala, Sweden and Applied Materials Physics, Department of Materials Science and Engineering, Royal Institute of Technology (KTH), SE-10044 Stockholm, Sweden
| | - Horst-Günter Rubahn
- Mads Clausen Institute, NanoSYD, University of Southern Denmark, Alsion 2, DK-6400, Sønderborg, Denmark.
| | - Yogendra Kumar Mishra
- Mads Clausen Institute, NanoSYD, University of Southern Denmark, Alsion 2, DK-6400, Sønderborg, Denmark.
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Abstract
In this study, NiFe2O4@Au core–shell nanoparticles were prepared by the direct reduction of gold on the magnetic surface using amino acid methionine as a reducer and a stabilizing agent simultaneously. The obtained nanoparticles after three steps of gold deposition had an average size of about 120 nm. The analysis of particles was performed by X-ray diffraction, transmission electron microscopy, X-ray photoelectron spectroscopy, and UV-Vis spectroscopy techniques. The results indicate successful synthesis of core–shell particles with the magnetic core, which consists of a few agglomerated nickel ferrite crystals with an average size 25.2 ± 2.0 nm, and the thick gold shell consists of fused Au0 nanoparticles (NPs). Magnetic properties of the obtained nanoparticles were examined with magnetic circular dichroism. It was shown that the magnetic behavior of NiFe2O4@Au NPs is typical for superparamagnetic NPs and corresponds to that for NiFe2O4 NPs without a gold shell. The results indicate the successful synthesis of core–shell particles with the magnetic nickel ferrite core and thick gold shell, and open the potential for the application of the investigated hybrid nanoparticles in hyperthermia, targeted drug delivery, magnetic resonance imaging, or cell separation. The developed synthesis strategy can be extended to other metal ferrites and iron oxides.
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Zhang Y, Xu C, Yang X, Pu K. Photoactivatable Protherapeutic Nanomedicine for Cancer. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e2002661. [PMID: 32667701 DOI: 10.1002/adma.202002661] [Citation(s) in RCA: 117] [Impact Index Per Article: 29.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2020] [Revised: 05/21/2020] [Indexed: 05/24/2023]
Abstract
Therapeutic systems with site-specific pharmaceutical activation hold great promise to enhance therapeutic efficacy while reducing systemic toxicity in cancer therapy. With operational flexibility, noninvasiveness, and high spatiotemporal resolution, photoactivatable nanomedicines have drawn growing attention. Distinct from traditional controlled release systems relying on the difference of biomarker concentrations between disease and healthy tissues, photoactivatable nanomedicines capitalize on the interaction between nanotransducers and light to either trigger photochemical reactions or generate reactive oxygen species (ROS) or heat effect to remotely induce pharmaceutical actions in living subjects. Herein, the recent advances in the development of photoactivatable protherapeutic nanoagents for oncology are summarized. The design strategies and therapeutic applications of these nanoagents are described. Representative examples of each type are discussed in terms of structure, photoactivation mechanism, and preclinical models. Last, potential challenges and perspectives to further develop photoactivatable protherapeutic nanoagents in cancer nanomedicine are discussed.
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Affiliation(s)
- Yan Zhang
- National Research Centre for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Cheng Xu
- School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore, 637457, Singapore
| | - Xiangliang Yang
- National Research Centre for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Kanyi Pu
- School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore, 637457, Singapore
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14
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Photocontrolled miR-148b nanoparticles cause apoptosis, inflammation and regression of Ras induced epidermal squamous cell carcinomas in mice. Biomaterials 2020; 256:120212. [PMID: 32736169 DOI: 10.1016/j.biomaterials.2020.120212] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 06/11/2020] [Accepted: 06/16/2020] [Indexed: 12/21/2022]
Abstract
Despite evidence that microRNAs (miRNAs) are essential in modulating tumorigenesis, a major challenge in cancer treatment is to achieve tumor-specific selectivity and efficient yet safe delivery of miRNAs in vivo. In this study, we have developed a light-inducible silver nanoparticle nucleic acid delivery system that demonstrates precise spatiotemporal control, high cellular uptake, low cytotoxicity, escape from endosomes and release of functional miRNA into the cytosol. Using this approach, we delivered exogenous miR-148b to induce apoptosis in Ras-expressing keratinocytes and murine squamous cell carcinoma cells while avoiding cytotoxicity in untransformed keratinocytes. When administered to transgenic mice with HRasG12V-driven skin tumors, a single dose of silver nanoparticle conjugates followed by 415 nm LED irradiation at the tumor site caused a rapid and sustained reduction in tumor volume by 92.8%, recruited T cells to the tumor site, and acted as a potent immunomodulator by polarizing the cytokine balance toward Th1 both locally and systemically. In summary, our results demonstrate that spatiotemporal controlled miR-148b mimic delivery can promote tumor regression efficiently and safely.
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15
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Ranasinghe JC, Dikkumbura AS, Hamal P, Chen M, Khoury RA, Smith HT, Lopata K, Haber LH. Monitoring the growth dynamics of colloidal gold-silver core-shell nanoparticles using in situ second harmonic generation and extinction spectroscopy. J Chem Phys 2019; 151:224701. [PMID: 31837661 DOI: 10.1063/1.5127941] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Affiliation(s)
- Jeewan C. Ranasinghe
- Department of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, USA
| | - Asela S. Dikkumbura
- Department of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, USA
| | - Prakash Hamal
- Department of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, USA
| | - Min Chen
- Department of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, USA
| | - Rami A. Khoury
- Department of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, USA
| | - Holden T. Smith
- Department of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, USA
| | - Kenneth Lopata
- Department of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, USA
| | - Louis H. Haber
- Department of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, USA
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Abu-Laban M, Hamal P, Arrizabalaga JH, Forghani A, Dikkumbura AS, Kumal RR, Haber LH, Hayes DJ. Combinatorial Delivery of miRNA-Nanoparticle Conjugates in Human Adipose Stem Cells for Amplified Osteogenesis. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2019; 15:e1902864. [PMID: 31725198 PMCID: PMC8530457 DOI: 10.1002/smll.201902864] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2019] [Revised: 10/15/2019] [Indexed: 05/25/2023]
Abstract
It is becoming more apparent in tissue engineering applications that fine temporal control of multiple therapeutics is desirable to modulate progenitor cell fate and function. Herein, the independent temporal control of the co-delivery of miR-148b and miR-21 mimic plasmonic nanoparticle conjugates to induce osteogenic differentiation of human adipose stem cells (hASCs), in a de novo fashion, is described. By applying a thermally labile retro-Diels-Alder caging and linkage chemistry, these miRNAs can be triggered to de-cage serially with discrete control of activation times. The method relies on illumination of the nanoparticles at their resonant wavelengths to generate sufficient local heating and trigger the untethering of the Diels-Alder cycloadduct. Characterization of the photothermal release using fluorophore-tagged miRNA mimics in vitro is carried out with fluorescence measurements, second harmonic generation, and confocal imaging. Osteogenesis of hASCs from the sequential co-delivery of miR-21 and miR-148b mimics is assessed using xylenol orange and alizarin red staining of deposited minerals, and quantitative polymerase chain reaction for gene expression of osteogenic markers. The results demonstrate that sequential miRNA mimic activation results in upregulation of osteogenic markers and mineralization relative to miR-148b alone, and co-activation of miR-148b and miR-21 at the same time.
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Affiliation(s)
- Mohammad Abu-Laban
- The Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA, 16802, USA
| | - Prakash Hamal
- The Department of Chemistry, Louisiana State University, Baton Rouge, LA, 70803, USA
| | - Julien H Arrizabalaga
- The Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA, 16802, USA
| | - Anoosha Forghani
- The Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA, 16802, USA
| | - Asela S Dikkumbura
- The Department of Chemistry, Louisiana State University, Baton Rouge, LA, 70803, USA
| | - Raju R Kumal
- John and Willie Leone Family Department of Energy and Mineral Engineering, Pennsylvania State University, University Park, PA, 16802, USA
| | - Louis H Haber
- The Department of Chemistry, Louisiana State University, Baton Rouge, LA, 70803, USA
| | - Daniel J Hayes
- The Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA, 16802, USA
- Materials Research Institute, Millennium Science Complex, Pennsylvania State University, University Park, PA, 16802, USA
- The Huck Institute of the Life Sciences, Millennium Science Complex, Pennsylvania State University, University Park, PA, 16802, USA
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Kim B, Park JH, Sailor MJ. Rekindling RNAi Therapy: Materials Design Requirements for In Vivo siRNA Delivery. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1903637. [PMID: 31566258 PMCID: PMC6891135 DOI: 10.1002/adma.201903637] [Citation(s) in RCA: 163] [Impact Index Per Article: 32.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2019] [Revised: 07/12/2019] [Indexed: 05/07/2023]
Abstract
With the recent FDA approval of the first siRNA-derived therapeutic, RNA interference (RNAi)-mediated gene therapy is undergoing a transition from research to the clinical space. The primary obstacle to realization of RNAi therapy has been the delivery of oligonucleotide payloads. Therefore, the main aims is to identify and describe key design features needed for nanoscale vehicles to achieve effective delivery of siRNA-mediated gene silencing agents in vivo. The problem is broken into three elements: 1) protection of siRNA from degradation and clearance; 2) selective homing to target cell types; and 3) cytoplasmic release of the siRNA payload by escaping or bypassing endocytic uptake. The in vitro and in vivo gene silencing efficiency values that have been reported in publications over the past decade are quantitatively summarized by material type (lipid, polymer, metal, mesoporous silica, and porous silicon), and the overall trends in research publication and in clinical translation are discussed to reflect on the direction of the RNAi therapeutics field.
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Affiliation(s)
- Byungji Kim
- Materials Science and Engineering Program, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA
| | - Ji-Ho Park
- Department of Bio and Brain Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Republic of Korea
| | - Michael J Sailor
- Materials Science and Engineering Program, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA
- Department of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA
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Green Synthesized Silver Nanoparticles of Myrtus communis L (AgMC) Extract Inhibits Cancer Hallmarks via Targeting Aldose Reductase (AR) and Associated Signaling Network. Processes (Basel) 2019. [DOI: 10.3390/pr7110860] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
In this current study, we demonstrated the green synthesis and characterization of silver nanoparticles using Myrtus communis L. plant extract (Ag-MC) and its evaluation of anticancer and antimicrobial activities. The green synthesis of (Ag-MC), was assessed by numerous characterization techniques such as ultraviolet-visible spectroscopy (UV-VIS), Fourier-transform infrared spectroscopy (FT-IR), X-ray powder diffraction (XRD) transmission electron microscopy (TEM) and energy dispersive x-ray spectroscopy (EDX). The anti-cancer activity of the green synthesized silver nanoparticles was evaluated by the median inhibitory dose (IC50) on human liver carcinoma cell lines (HepG2). These results suggested that SN-NPs can be used as effective anticancer cell lines, as well as antibacterial and antiseptic agents in the medical field. This study showed that overexpression of aldose reductase (AR) in the human liver carcinoma cell line, HepG2, was down regulated by administration of SN-MC. The down regulation of AR was associated with abrogation of Pl3k/Akt, ERK and NF-kB pathways and the inhibition of cancer hallmarks, however, the target molecule for SN-MC was not practically established. Thus it is still unknown if the consequences were due to AR inhibition or direct Ag-MC interaction with AR.
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19
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Hamal P, Nguyenhuu H, Subasinghege Don V, Kumal RR, Kumar R, McCarley RL, Haber LH. Molecular Adsorption and Transport at Liposome Surfaces Studied by Molecular Dynamics Simulations and Second Harmonic Generation Spectroscopy. J Phys Chem B 2019; 123:7722-7730. [PMID: 31407578 DOI: 10.1021/acs.jpcb.9b05954] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
A fundamental understanding of the factors that determine the interactions with and transport of small molecules through phospholipid membranes is crucial in developing liposome-based drug delivery systems. Here we combine time-dependent second harmonic generation (SHG) measurements with molecular dynamics simulations to elucidate the events associated with adsorption and transport of the small molecular cation, malachite green isothiocyanate (MGITC), in colloidal liposomes of different compositions. The molecular transport of MGITC through the liposome bilayer is found to be more rapid in 1,2-dioleoyl-sn-glycero-3-phospho-(1'-rac-glycerol) and 1,2-dioleoyl-sn-glycero-3-phospho-l-serine (DOPG and DOPS, respectively) liposomes, while the molecular transport is slower in 1,2-dioleoyl-sn-glycero-3-phosphocholine (DOPC) liposomes. Interestingly, MGITC is observed to neither adsorb nor transport in trimethyl quinone-1,2-dioleoyl-sn-glycero-3-phosphoethanolamine (QPADOPE) liposomes due to shielding by the quinone group. The modified Langmuir adsorption isotherm model is used to determine the free energy of adsorption for MGITC, which is found to be less negative in DOPC than in DOPG and DOPS, caused by lower electrostatic interactions between the positively charged dye and the zwitterionic DOPC liposome surface. The results are compared to our previous investigations, which showed that malachite green (MG) adsorbs and transports in DOPG and DOPS liposomes but not in DOPC and QPADOPE liposomes. Molecular dynamics simulations are used to investigate the adsorption and transport properties of MG and MGITC in DOPC and DOPG liposomes using umbrella sampling to determine the free energy profiles and interfacial molecular orientations. Together, these time-resolved SHG studies and corresponding molecular dynamics simulations characterize the complicated chemical interactions at different lipid membranes to provide key molecular-level insights for potential drug delivery applications. The results also point toward understanding the role of chemical functional groups, in this case isothiocyanate, in controlling molecular adsorption at and transport through lipid bilayers.
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Affiliation(s)
- Prakash Hamal
- Department of Chemistry , Louisiana State University , Baton Rouge , Louisiana 70803-1804 , United States
| | - Huy Nguyenhuu
- Department of Chemistry , Louisiana State University , Baton Rouge , Louisiana 70803-1804 , United States
| | - Visal Subasinghege Don
- Department of Chemistry , Louisiana State University , Baton Rouge , Louisiana 70803-1804 , United States
| | - Raju R Kumal
- Department of Chemistry , Louisiana State University , Baton Rouge , Louisiana 70803-1804 , United States
| | - Revati Kumar
- Department of Chemistry , Louisiana State University , Baton Rouge , Louisiana 70803-1804 , United States
| | - Robin L McCarley
- Department of Chemistry , Louisiana State University , Baton Rouge , Louisiana 70803-1804 , United States
| | - Louis H Haber
- Department of Chemistry , Louisiana State University , Baton Rouge , Louisiana 70803-1804 , United States
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20
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Chang H, Gnanasekaran K, Gianneschi NC, Geiger FM. Bacterial Model Membranes Deform (resp. Persist) upon Ni2+ Binding to Inner Core (resp. O-Antigen) of Lipopolysaccharides. J Phys Chem B 2019; 123:4258-4270. [DOI: 10.1021/acs.jpcb.9b02762] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- HanByul Chang
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60660, United States
| | - Karthikeyan Gnanasekaran
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60660, United States
| | - Nathan C. Gianneschi
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60660, United States
| | - Franz M. Geiger
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60660, United States
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21
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Chun SH, Yuk JS, Um SH. Regulation of cellular gene expression by nanomaterials. NANO CONVERGENCE 2018; 5:34. [PMID: 30499017 PMCID: PMC6265357 DOI: 10.1186/s40580-018-0166-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Accepted: 11/15/2018] [Indexed: 06/04/2023]
Abstract
Within a cell there are several mechanisms to regulate gene expression during cellular metabolism, growth, and differentiation. If these do not work properly, the cells will die or develop abnormally and, in some cases, even develop into tumors. Thus, a variety of exogenous and endogenous approaches have been developed that act on essential stages of transcription and translation by affecting the regulation of gene expression in an intended manner. To date, some anticancer strategies have focused on targeting abnormally overexpressed genes termed oncogenes, which have lost the ability to tune gene expression. With the rapid advent of nanotechnology, a few synthetic nanomaterials are being used as gene regulation systems. In many cases, these materials have been employed as nanocarriers to deliver key molecules such as silencing RNAs or antisense oligonucleotides into target cells, but some nanomaterials may be able to effectively modulate gene expression due to their characteristic properties, which include tunable physicochemical properties due to their malleable size and shape. This technology has improved the performance of existing approaches for regulating gene expression and led to the development of new types of advanced regulatory systems. In this short review, we will present some nanomaterials currently used in novel gene regulation systems, focusing on their basic features and practical applications. Based on these findings, it is further envisioned that next-generation gene expression regulation systems involving such nanomaterials will be developed.
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Affiliation(s)
- Sang Hun Chun
- School of Chemical Engineering, Sungkyunkwan University, Suwon, Gyeonggi-do 440-746 South Korea
| | - Ji Soo Yuk
- School of Chemical Engineering, Sungkyunkwan University, Suwon, Gyeonggi-do 440-746 South Korea
| | - Soong Ho Um
- School of Chemical Engineering, Sungkyunkwan University, Suwon, Gyeonggi-do 440-746 South Korea
- SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University, Suwon, Gyeonggi-do 440-746 South Korea
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