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Wang X, Zhao Y, Yan M, Liang X, Zhao N, Lu T. iRGD mediated pH-responsive mesoporous silica enhances drug accumulation in tumors. Eur J Pharm Sci 2024; 195:106725. [PMID: 38346565 DOI: 10.1016/j.ejps.2024.106725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 01/23/2024] [Accepted: 02/07/2024] [Indexed: 02/29/2024]
Abstract
The limited penetration of nanocarriers into tumors and the slow release of drugs from these carriers to tumor cells are significant challenges in cancer therapy. In this study, we developed a novel drug delivery carrier derived from mesoporous silica, dually modified with the tumor-homing cyclic peptide iRGD (CRGDKGPDC) and the pH-responsive polymer poly(2-ethyl-2-oxazoline) (PEOz) for treating triple-negative breast cancer. The carrier selectively bound to the αvβ3 integrin receptor, which is specifically expressed in MDA-MB-231 breast cancer cells and vessels. Subsequently, it penetrated deep into the tumor parenchyma through NRP-1 receptor-dependent internalization, with the drug-loaded particles releasing drugs rapidly in the acidic cytoplasmic environment. Results indicated that the drug release rate of PEOz-modified formulations was pH-dependent. Lysosomal escape experiments demonstrated that PEOz-modified particles efficiently escaped lysosomes to release drugs. In vitro cytotoxicity assays revealed that iRGD-functionalized particles were more cytotoxic to NRP-1-positive MDA-MB-231 cells compared to NRP-1-negative MCF-7 cells. Cellular uptake studies demonstrated that iRGD mediated enhanced endocytosis of nanoparticles into MDA-MB-231 cells. In vitro tumor cell spheroid penetration assays confirmed that the PEOz and iRGD dual-modified carrier facilitated deeper distribution of DOX in multicellular spheroids compared to free DOX. Moreover, in a nude mouse model of triple-negative breast cancer, the dual-modified drug-loaded carrier significantly inhibited tumor growth without inducing weight loss or liver and kidney damage. This dual-modified mesoporous silica presents a novel and promising delivery carrier for enhancing cancer treatment.
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Affiliation(s)
- Xiaoning Wang
- College of Pharmacy, Xi'an Medical University, Xi'an, Shaanxi 710021, PR China; The School of Life Sciences, Northwestern Polytechnical University, Xi'an, Shaanxi 710072, PR China.
| | - Yangguang Zhao
- College of Pharmacy, Xi'an Medical University, Xi'an, Shaanxi 710021, PR China
| | - Mengru Yan
- College of Pharmacy, Xi'an Medical University, Xi'an, Shaanxi 710021, PR China
| | - Xiaoyan Liang
- College of Pharmacy, Xi'an Medical University, Xi'an, Shaanxi 710021, PR China
| | - Ning Zhao
- College of Pharmacy, Xi'an Medical University, Xi'an, Shaanxi 710021, PR China
| | - Tingli Lu
- The School of Life Sciences, Northwestern Polytechnical University, Xi'an, Shaanxi 710072, PR China
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2
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Rafieepour A, R Azari M, Khodagholi F. Cytotoxic effects of crystalline silica in form of micro and nanoparticles on the human lung cell line A549. Toxicol Ind Health 2023; 39:23-35. [PMID: 36433804 DOI: 10.1177/07482337221140644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Airborne crystalline silica (SiO2) particles are one of the most common pollutants in stone industries. Limited studies have investigated the health effects of crystalline SiO2 nanoparticles. Hence, the objective of this study was to study the cytotoxicity of SiO2 in nano and micron sizes. A mineral quartz sample in the range of 0.2-0.8 mm sizes was purchased. These particles were ground at about 5 and 0.1 microns. Human cell line A549 was exposed to micro and nanometer particles at concentrations of 10, 50, 100, and 250 μg/ml for 24 and 72 h. Subsequently, the cytotoxicity of exposed cells was investigated by measuring cell survival, ROS generation, mitochondrial permeability, and intracellular glutathione content. The results showed that crystalline SiO2 nano and microparticles decreased cell survival, increased ROS generation, damaged the mitochondrial membrane, and lowered the antioxidant content of these cells in a concentration- and time-dependent manner. The toxicity of crystalline SiO2 microparticles at concentrations ≤50 μg/mL was greater than for nanoparticles, which was the opposite at concentrations ≥100 μg/mL. Exposure time and concentration were crucial factors for the cytotoxicity of exposed A549 cells to crystalline SiO2 particles, which can affect the severity of the effect of particle size. Due to the limitation of exposure concentration and test durations in this study, further studies on the parameters of nanoparticle toxicity and underlying mechanisms could advance our knowledge.
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Affiliation(s)
- Athena Rafieepour
- Occupational Health Research Center, Department of Occupational Health, School of Public Health, 440827Iran University of Medical Sciences, Tehran, Iran
| | - Mansour R Azari
- Department of Occupational Health, School of Public Health and Safety, 216617Shahid Beheshti University of Medical Science, Tehran, Iran
| | - Fariba Khodagholi
- Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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3
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Long-Term Refrigerated Storage of Beef Using an Active Edible Film Reinforced with Mesoporous Silica Nanoparticles Containing Oregano Essential Oil ( Lippia graveolens Kunth). Int J Mol Sci 2022; 24:ijms24010092. [PMID: 36613543 PMCID: PMC9820268 DOI: 10.3390/ijms24010092] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 12/12/2022] [Accepted: 12/18/2022] [Indexed: 12/24/2022] Open
Abstract
Beef is a fundamental part of the human diet, but it is highly susceptible to microbiological and physicochemical deterioration which decrease its shelf life. This work aimed to formulate an active edible film (AEF) incorporated with amino-functionalized mesoporous silica nanoparticles (A-MSN) loaded with Mexican oregano (Lippia graveolens Kunth) essential oil (OEO) and to evaluate its effect as a coating on fresh beef quality during refrigerated storage. The AEF was based on amaranth protein isolate (API) and chitosan (CH) (4:1, w/w), to which OEO emulsified or encapsulated in A-MSN was added. The tensile strength (36.91 ± 1.37 MPa), Young's modulus (1354.80 ± 64.6 MPa), and elongation (4.71%) parameters of AEF made it comparable with synthetic films. The antimicrobial activity of AEF against E. coli O157:H7 was improved by adding 9% (w/w) encapsulated OEO, and interactions of glycerol and A-MSN with the polymeric matrix were observed by FT-IR spectroscopy. In fresh beef, after 42 days, AEF reduced the population growth (Log CFU/cm2, relative to uncoated fresh beef) of Brochothrix thermosphacta (5.5), Escherichia coli (3.5), Pseudomonas spp. (2.8), and aerobic mesophilic bacteria (6.8). After 21 days, odor acceptability of coated fresh beef was improved, thus, enlarging the shelf life of the beef and demonstrating the preservation capacity of this film.
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4
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Sedaghat T, Aminian M, Abaee S, Hoveizi E, Tarassoli A, Beheshti A, Morales-Morales D. New organotin(IV) complexes with a bis-acyl-hydrazone ligand: synthesis, crystal structure and immobilization on magnetic mesoporous silica nanoparticles as a strategy in cancer therapy. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.134622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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5
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Overcoming the non-kinetic activity of EGFR1 using multi-functionalized mesoporous silica nanocarrier for in vitro delivery of siRNA. Sci Rep 2022; 12:17208. [PMID: 36241668 PMCID: PMC9568566 DOI: 10.1038/s41598-022-21601-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 09/29/2022] [Indexed: 01/06/2023] Open
Abstract
Triple-negative breast cancer (TNBC) does not respond to HER2-targeted and hormone-based medicines. Epidermal growth factor receptor 1 (EGFR1) is commonly overexpressed in up to 70% of TNBC cases, so targeting cancer cells via this receptor could emerge as a favored modality for TNBC therapy due to its target specificity. The development of mesoporous silica nanoparticles (MSNs) as carriers for siRNAs remains a rapidly growing area of research. For this purpose, a multi-functionalized KIT-6 containing the guanidinium ionic liquid (GuIL), PEI and PEGylated folic acid (FA-PEG) was designed. Accordingly, KIT-6 was fabricated and modified with FA-PEG and PEI polymers attached on the surface and the GuIL placed in the mesopores. Subsequent to confirming the structure of this multi-functionalized KIT-6- based nanocarrier using TEM, SEM, AFM, BET, BJH, DLS and Zeta Potential, it was investigated for uploading and transferring the anti-EGFR1 siRNAs to the MD-MBA-231 cell line. The rate of cellular uptake, cellular localization and endolysosomal escape was evaluated based on the fluorescent intensity of FAM-labelled siRNA using flowcytometry analysis and confocal laser scanning microscopy (CLSM). The 64% cellular uptake after 4 h incubation, clearly suggested the successful delivery of siRNA into the cells and, CLSM demonstrated that siRNA@[FA-PEGylated/PEI@GuIL@KIT-6] may escape endosomal entrapment after 6 h incubation. Using qPCR, quantitative evaluation of EGFR1 gene expression, a knockdown of 82% was found, which resulted in a functional change in the expression of EGFR1 targets. Co-treatment of chemotherapy drug "carboplatin" in combination with siRNA@[FA-PEGylated/PEI@GuIL@KIT-6] exhibited a remarkable cytotoxic effect in comparison to carboplatin alone.
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6
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Hussein HA, Nazir MS, Azra N, Qamar Z, Seeni A, Tengku Din TADAA, Abdullah MA. Novel Drug and Gene Delivery System and Imaging Agent Based on Marine Diatom Biosilica Nanoparticles. Mar Drugs 2022; 20:480. [PMID: 36005484 PMCID: PMC9410069 DOI: 10.3390/md20080480] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 07/16/2022] [Accepted: 07/18/2022] [Indexed: 11/22/2022] Open
Abstract
Mesoporous silica nanoparticles (MSNs) have great potential for applications as a drug delivery system (DDS) due to their unique properties such as large pore size, high surface area, biocompatibility, biodegradability, and stable aqueous dispersion. The MSN-mediated DDS can carry chemotherapeutic agents, optical sensors, photothermal agents, short interfering RNA (siRNA), and gene therapeutic agents. The MSN-assisted imaging techniques are applicable in cancer diagnosis. However, their synthesis via a chemical route requires toxic chemicals and is challenging, time-consuming, and energy-intensive, making the process expensive and non-viable. Fortunately, nature has provided a viable alternative material in the form of biosilica from marine resources. In this review, the applications of biosilica nanoparticles synthesized from marine diatoms in the field of drug delivery, biosensing, imaging agents, and regenerative medicine, are highlighted. Insights into the use of biosilica in the field of DDSs are elaborated, with a focus on different strategies to improve the physico-chemical properties with regards to drug loading and release efficiency, targeted delivery, and site-specific binding capacity by surface functionalization. The limitations, as well as the future scope to develop them as potential drug delivery vehicles and imaging agents, in the overall therapeutic management, are discussed.
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Affiliation(s)
| | - Muhammad Shahid Nazir
- Department of Chemistry, COMSATS University Islamabad, Lahore Campus, Lahore 54000, Punjab, Pakistan; (M.S.N.); (N.A.); (Z.Q.)
| | - Nizakat Azra
- Department of Chemistry, COMSATS University Islamabad, Lahore Campus, Lahore 54000, Punjab, Pakistan; (M.S.N.); (N.A.); (Z.Q.)
| | - Zeenat Qamar
- Department of Chemistry, COMSATS University Islamabad, Lahore Campus, Lahore 54000, Punjab, Pakistan; (M.S.N.); (N.A.); (Z.Q.)
| | - Azman Seeni
- Department of Toxicology, Advanced Medical and Dental Institute, Universiti Sains Malaysia, Bertam Campus, Kepala Batas 13050, Malaysia;
| | | | - Mohd Azmuddin Abdullah
- Department of Toxicology, Advanced Medical and Dental Institute, Universiti Sains Malaysia, Bertam Campus, Kepala Batas 13050, Malaysia;
- SIBCo Medical and Pharmaceuticals Sdn. Bhd., No. 2, Level 5, Jalan Tengku Ampuan Zabedah, D9/D, Seksyen 9, Shah Alam 40000, Malaysia
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7
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Biofunctionalized Nanomaterials: Alternative for Encapsulation Process Enhancement. POLYSACCHARIDES 2022. [DOI: 10.3390/polysaccharides3020025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
In recent years, interest in the development of nanometric materials with specific characteristics has grown; however, there are few scientific contributions that associate encapsulation methodologies and matrices with the particle objective (metabolic directions, type of administration, biological impact, and biocompatibility). This review focuses on describing the benefits and disadvantages of different techniques for designing custom particles and alternatives for the biofunctionalization nanomaterials regarding the biological impact of a nanomaterial with potential use in foods known as nutraceuticals. The study of optical properties, physicochemical factors, and characteristics such as rheological can predict its stability in the application matrix; however, not only should the characterization of a nanocomposite with applications in food be considered, but also the biological impact that it may present.
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8
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Chemically engineered mesoporous silica nanoparticles-based intelligent delivery systems for theranostic applications in multiple cancerous/non-cancerous diseases. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2021.214309] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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9
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Pinheiro RGR, Pinheiro M, Neves AR. Nanotechnology Innovations to Enhance the Therapeutic Efficacy of Quercetin. NANOMATERIALS 2021; 11:nano11102658. [PMID: 34685098 PMCID: PMC8539325 DOI: 10.3390/nano11102658] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 10/01/2021] [Accepted: 10/05/2021] [Indexed: 12/12/2022]
Abstract
Quercetin is a flavonol present in many vegetables and fruits. Generally, quercetin can be found in aglycone and glycoside forms, mainly in leaves. The absorption of this compound occurs in the large and small intestine, where it suffers glucuronidation, sulfidation, and methylation to improve hydrophilicity. After metabolization, which occurs mainly in the gut, it is distributed throughout the whole organism and is excreted by feces, urine, and exhalation of carbon dioxide. Despite its in vitro cytotoxicity effects, in vivo studies with animal models ensure its safety. This compound can protect against cancer, cardiovascular diseases, chronic inflammation, oxidative stress, and neurodegenerative diseases due to its radical scavenging and anti-inflammatory properties. However, its poor bioavailability dampens the potential beneficial effects of this flavonoid. In that sense, many types of nanocarriers have been developed to improve quercetin solubility, as well as to design tissue-specific delivery systems. All these studies manage to improve the bioavailability of quercetin, allowing it to increase its concentration in the desired places. Collectively, quercetin can become a promising compound if nanotechnology is employed as a tool to enhance its therapeutic efficacy.
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Affiliation(s)
- Rúben G. R. Pinheiro
- LAQV, REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, 4050-313 Porto, Portugal; (R.G.R.P.); (M.P.)
| | - Marina Pinheiro
- LAQV, REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, 4050-313 Porto, Portugal; (R.G.R.P.); (M.P.)
| | - Ana Rute Neves
- LAQV, REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, 4050-313 Porto, Portugal; (R.G.R.P.); (M.P.)
- CQM—Centro de Química da Madeira, Universidade da Madeira, Campus da Penteada, 9020-105 Funchal, Portugal
- Correspondence:
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Abu-Dief A, Alsehli M, Al-Enizi A, Nafady A. Recent Advances in Mesoporous Silica Nanoparticles for Targeted Drug Delivery applications. Curr Drug Deliv 2021; 19:436-450. [PMID: 34238185 DOI: 10.2174/1567201818666210708123007] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 03/15/2021] [Accepted: 04/17/2021] [Indexed: 11/22/2022]
Abstract
Nanotechnology provides the means to design and fabricate delivery vehicles capable of overcoming physiologically imposed obstacles and undesirable side effects of systemic drug delivery. This protocol allows maximal targeting effectiveness and therefore enhances therapeutic efficiency. In recent years, mesoporous silica nanoparticles (MSNPs) have sparked interest in the nanomedicine research community, particularly for their promising applications in cancer treatment. The intrinsic physio-chemical stability, facile functionalization, high surface area, low toxicity, and great loading capacity for a wide range of chemotherapeutic agents make MSNPs very appealing candidates for controllable drug delivery systems. Importantly, the peculiar nanostructures of MSNPs enabled them to serve as an effective drug, gene, protein, and antigen delivery vehicle for a variety of therapeutic regimens. For these reasons, in this review article, we underscore the recent progress in the design and synthesis of MSNPs and the parameters influencing their characteristic features and activities. In addition, the process of absorption, dissemination, and secretion by injection or oral management of MSNPs are also discussed, as they are key directions for the potential utilization of MSNPs. Factors influencing the in vivo fate of MSNPs will also be highlighted, with the main focus on particle size, morphology, porosity, surface functionality, and oxidation. Given that combining other functional materials with MSNPs may increase their biological compatibility, monitor drug discharge, or improve absorption by tumor cells coated MSNPs; these aspects are also covered and discussed herein.
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Affiliation(s)
- Ahmed Abu-Dief
- Chemistry Department, Faculty of Science, Taibah University, Madinah, Saudi Arabia
| | - Mosa Alsehli
- Chemistry Department, Faculty of Science, Taibah University, Madinah, Saudi Arabia
| | - Abdullah Al-Enizi
- Chemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Ayman Nafady
- Chemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
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11
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Rafieepour A, Azari MR, Khodagholi F, Jaktaji JP, Mehrabi Y, Peirovi H. Interactive toxicity effect of combined exposure to hematite and amorphous silicon dioxide nanoparticles in human A 549 cell line. Toxicol Ind Health 2021; 37:289-302. [PMID: 34078188 DOI: 10.1177/07482337211002373] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The study on the health effects of combined exposure to various contaminants has been recommended by many authors. The objective of the present study was to examine the effects of the co-exposure to hematite and amorphous silicon dioxide (A-SiO2) nanoparticles on the human lung A549 cell line. The A549 cell line was exposed to 10, 50, 100, and 250 µg/ml concentrations of hematite and A-SiO2 nanoparticles both independently and in combination. Their toxicity in both circumstances was investigated by MTT, intracellular reactive oxygen species, cell glutathione content, and mitochondrial membrane potential tests, and the type of interaction was investigated by statistical analysis using Statistical Package for Social Sciences (SPSS, v. 21). Results showed that the independent exposure to either hematite or A-SiO2 compared with the control group produced more toxic effects on the A549 cell line. The toxicity of combined exposure of the nanoparticles was lower compared with independent exposure, and antagonistic interactive effects were detected. The findings of this study could be useful in clarifying the present debate on the health effects of combined exposure of hematite and A-SiO2 nanoparticles. Because of the complexities of combined exposures, further studies of this kind are recommended.
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Affiliation(s)
- Athena Rafieepour
- School of Public Health and Safety, Student Research Committee, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mansour Rezazadeh Azari
- Safety Promotion and Injury Prevention Research Center, School of Public Health and Safety, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Fariba Khodagholi
- Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Yadollah Mehrabi
- School of Public Health and Safety, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Habibollah Peirovi
- Medical Nanotechnology and Tissue Engineering Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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12
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Salve R, Kumar P, Ngamcherdtrakul W, Gajbhiye V, Yantasee W. Stimuli-responsive mesoporous silica nanoparticles: A custom-tailored next generation approach in cargo delivery. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 124:112084. [PMID: 33947574 DOI: 10.1016/j.msec.2021.112084] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 03/23/2021] [Accepted: 03/26/2021] [Indexed: 12/28/2022]
Abstract
The pre-mature release of therapeutic cargos in the bloodstream or off-target sites is a major hurdle in drug delivery. However, stimuli-specific drug release responses are capable of providing greater control over the cargo release. Herein, various types of nanocarriers have been employed for such applications. Among various types of nanoparticles, mesoporous silica nanoparticles (MSNPs) have several attractive characteristics, such as high loading capacity, biocompatibility, small size, porous structure, high surface area, tunable pore size and ease of functionalization of the external and internal surfaces, which facilitates the entrapment and development of stimuli-dependent release of drugs. MSNPs could be modified with such stimuli-responsive entities like nucleic acid, peptides, polymers, organic molecules, etc., to prevent pre-mature cargo release, improving the therapeutic outcome. This controlled drug release system could be modulated to function upon extracellular or intracellular specific stimuli, including pH, enzyme, glucose, glutathione, light, temperature, etc., and thus provide minimal side effects at non-target sites. This system has great potential applications for the targeted delivery of therapeutics to treat clinically challenging diseases like cancer. This review summarizes the synthesis and design of stimuli-responsive release strategies of MSNP-based drug delivery systems along with investigations in biomedical applications.
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Affiliation(s)
- Rajesh Salve
- Nanobioscience Group, Agharkar Research Institute, Pune 411004, India; Savitribai Phule Pune University, Pune 411004, India
| | - Pramod Kumar
- Nanobioscience Group, Agharkar Research Institute, Pune 411004, India; Savitribai Phule Pune University, Pune 411004, India
| | | | - Virendra Gajbhiye
- Nanobioscience Group, Agharkar Research Institute, Pune 411004, India; Savitribai Phule Pune University, Pune 411004, India.
| | - Wassana Yantasee
- PDX Pharmaceuticals, Inc., Portland, OR 97239, USA; Biomedical Engineering, OHSU School of Medicine, Portland, OR 97239, USA.
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13
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Mares-García AS, Ortiz Magdaleno M, Gordillo-Moscoso A, Cárdenas-Galindo MG, Ávila Hernández IN, Escobar-García DM, Márquez-Lucero A, Pozos-Guillén A. Morphological and biological properties of silica nanoparticles for CRTC3-siRNA delivery and downregulation of the RGS2 expression in preadipocytes. J Biomater Appl 2021; 36:626-637. [PMID: 33947275 DOI: 10.1177/08853282211014723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The aim of this study was to characterize the morphological properties of amorphous silica nanoparticles (SiO2 NPs), their cytotoxicity and intracellular location within Human Osteoblasts (HOB). Additionally, SiO2 NPs were explored for their effectivity as carriers of CRTC3-siRNA on Human Preadipocytes (HPAd), and thus downregulate RGS2 gene expression. SiO2 NPs were synthesized using the method of Stöber at 45 °C, 56 °C, and 62 °C. These were characterized via TEM with EDS, Zeta Potential and FT-IR. Cytotoxicity was evaluated by XTT at three concentrations 50, 100 and 500 µg/mL; SiO2 NPs intracellular localization was observed through Confocal Laser Scanning Microscope. Delivering siRNA effectivity was measured by RT-qPCR. Morphology of SiO2 NPs was spherical with a range size from 64 to 119 nm; their surface charge was negative. Confocal images demonstrated that SiO2 NPs were located within cellular cytoplasm. At a SiO2 NPs concentration of 500 µg/mL HOB viability decreased, while at 50 µg/mL and 100 µg/mL cell viability was not affected regardless SiO2 NPs size. SiO2 NPs-CRTC3-siRNA are effective to down-regulate RGS2 gene expression in HPAd without cytotoxic effects. The developed SiO2 NPs-CRTC3-siRNA are a promising tool as a delivery vehicle to control obesity.
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Affiliation(s)
- América Susana Mares-García
- Doctorado Institucional en Ingeniería y Ciencia de Materiales, , Universidad Autonoma de San Luis Potosi, San Luis, SLP, Mexico
| | - Marine Ortiz Magdaleno
- Doctorado Institucional en Ingeniería y Ciencia de Materiales, , Universidad Autonoma de San Luis Potosi, San Luis, SLP, Mexico
| | - Antonio Gordillo-Moscoso
- Doctorado Institucional en Ingeniería y Ciencia de Materiales, , Universidad Autonoma de San Luis Potosi, San Luis, SLP, Mexico
| | | | - Ilse Nayeli Ávila Hernández
- Doctorado Institucional en Ingeniería y Ciencia de Materiales, , Universidad Autonoma de San Luis Potosi, San Luis, SLP, Mexico
| | - Diana María Escobar-García
- Doctorado Institucional en Ingeniería y Ciencia de Materiales, , Universidad Autonoma de San Luis Potosi, San Luis, SLP, Mexico
| | - Alfredo Márquez-Lucero
- Doctorado Institucional en Ingeniería y Ciencia de Materiales, , Universidad Autonoma de San Luis Potosi, San Luis, SLP, Mexico
| | - Amaury Pozos-Guillén
- Doctorado Institucional en Ingeniería y Ciencia de Materiales, , Universidad Autonoma de San Luis Potosi, San Luis, SLP, Mexico
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14
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Hosseinpour S, Walsh LJ, Xu C. Biomedical application of mesoporous silica nanoparticles as delivery systems: a biological safety perspective. J Mater Chem B 2021; 8:9863-9876. [PMID: 33047764 DOI: 10.1039/d0tb01868f] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The application of mesoporous silica nanoparticles (MSNs) as drug delivery systems to deliver drugs, proteins, and genes has expanded considerably in recent years, using in vitro and animal studies. For future translation to clinical applications, the biological safety aspects of MSNs must be considered carefully. This paper reviews the biosafety of MSNs, examining key issues such as biocompatibility, effects on immune cells and erythrocytes, biodistribution, biodegradation and clearance, and how these vary depending on the effects of the physical and chemical properties of MSNs such as particle size, porosity, morphology, surface charge, and chemical modifications. The future use of MSNs as a delivery system must extend beyond what has been learnt thus far using rodent animal models to encompass larger animals.
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Affiliation(s)
- Sepanta Hosseinpour
- School of Dentistry, The University of Queensland, Herston, QLD 4006, Australia.
| | - Laurence J Walsh
- School of Dentistry, The University of Queensland, Herston, QLD 4006, Australia.
| | - Chun Xu
- School of Dentistry, The University of Queensland, Herston, QLD 4006, Australia.
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15
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AbouAitah K, Lojkowski W. Delivery of Natural Agents by Means of Mesoporous Silica Nanospheres as a Promising Anticancer Strategy. Pharmaceutics 2021; 13:143. [PMID: 33499150 PMCID: PMC7912645 DOI: 10.3390/pharmaceutics13020143] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 01/12/2021] [Accepted: 01/14/2021] [Indexed: 12/11/2022] Open
Abstract
Natural prodrugs derived from different natural origins (e.g., medicinal plants, microbes, animals) have a long history in traditional medicine. They exhibit a broad range of pharmacological activities, including anticancer effects in vitro and in vivo. They have potential as safe, cost-effective treatments with few side effects, but are lacking in solubility, bioavailability, specific targeting and have short half-lives. These are barriers to clinical application. Nanomedicine has the potential to offer solutions to circumvent these limitations and allow the use of natural pro-drugs in cancer therapy. Mesoporous silica nanoparticles (MSNs) of various morphology have attracted considerable attention in the search for targeted drug delivery systems. MSNs are characterized by chemical stability, easy synthesis and functionalization, large surface area, tunable pore sizes and volumes, good biocompatibility, controlled drug release under different conditions, and high drug-loading capacity, enabling multifunctional purposes. In vivo pre-clinical evaluations, a significant majority of results indicate the safety profile of MSNs if they are synthesized in an optimized way. Here, we present an overview of synthesis methods, possible surface functionalization, cellular uptake, biodistribution, toxicity, loading strategies, delivery designs with controlled release, and cancer targeting and discuss the future of anticancer nanotechnology-based natural prodrug delivery systems.
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Affiliation(s)
- Khaled AbouAitah
- Laboratory of Nanostructures and Nanomedicine, Institute of High Pressure Physics, Polish Academy of Sciences, Sokolowska 29/37, 01-142 Warsaw, Poland
- Medicinal and Aromatic Plants Research Department, Pharmaceutical and Drug Industries Research Division, National Research Centre (NRC), 33 El-Behouth St., Dokki 12622, Giza, Egypt
| | - Witold Lojkowski
- Laboratory of Nanostructures and Nanomedicine, Institute of High Pressure Physics, Polish Academy of Sciences, Sokolowska 29/37, 01-142 Warsaw, Poland
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Teng W, Yang Z, Wang S, Xiong D, Chen Y, Wu Z. Toxicity evaluation of mesoporous silica particles Santa Barbara No. 15 amorphous in human umbilical vein endothelial cells: influence of particle morphology. J Appl Toxicol 2021; 41:1467-1478. [DOI: 10.1002/jat.4137] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 12/12/2020] [Accepted: 12/18/2020] [Indexed: 12/15/2022]
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Tiburcius S, Krishnan K, Yang JH, Hashemi F, Singh G, Radhakrishnan D, Trinh HT, Verrills NM, Karakoti A, Vinu A. Silica-Based Nanoparticles as Drug Delivery Vehicles for Prostate Cancer Treatment. CHEM REC 2020; 21:1535-1568. [PMID: 33320438 DOI: 10.1002/tcr.202000104] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Accepted: 10/21/2020] [Indexed: 12/24/2022]
Abstract
Prostate cancer (PCa) is one of the most commonly diagnosed cancers and is the fifth common cause of cancer-related mortality in men. Current methods for PCa treatment are insufficient owing to the challenges related to the non-specificity, instability and side effects caused by the drugs and therapy agents. These drawbacks can be mitigated by the design of a suitable drug delivery system that can ensure targeted delivery and minimise side effects. Silica based nanoparticles (SBNPs) have emerged as one of the most versatile materials for drug delivery due to their tunable porosities, high surface area and tremendous capacity to load various sizes and chemistry of drugs. This review gives a brief overview of the diagnosis and current treatment strategies for PCa outlining their existing challenges. It critically analyzes the design, development and application of pure, modified and hybrid SBNPs based drug delivery systems in the treatment of PCa, their advantages and limitations.
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Affiliation(s)
- Steffi Tiburcius
- Global Innovative Centre for Advanced Nanomaterials, Faculty of Engineering and Built Environment
| | - Kannan Krishnan
- Global Innovative Centre for Advanced Nanomaterials, Faculty of Engineering and Built Environment
| | - Jae-Hun Yang
- Global Innovative Centre for Advanced Nanomaterials, Faculty of Engineering and Built Environment
| | - Fatemeh Hashemi
- Global Innovative Centre for Advanced Nanomaterials, Faculty of Engineering and Built Environment
| | - Gurwinder Singh
- Global Innovative Centre for Advanced Nanomaterials, Faculty of Engineering and Built Environment
| | - Deepika Radhakrishnan
- Global Innovative Centre for Advanced Nanomaterials, Faculty of Engineering and Built Environment
| | - Hoang Trung Trinh
- Global Innovative Centre for Advanced Nanomaterials, Faculty of Engineering and Built Environment
| | - Nicole M Verrills
- School of Biomedical Sciences and Pharmacy, Faculty of Health and Medicine, The University of Newcastle, Callaghan, 2308, NSW, Australia
| | - Ajay Karakoti
- Global Innovative Centre for Advanced Nanomaterials, Faculty of Engineering and Built Environment
| | - Ajayan Vinu
- Global Innovative Centre for Advanced Nanomaterials, Faculty of Engineering and Built Environment
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Dolinina ES, Kraev AS, Parfenyuk EV. Effect of sol–gel synthesis conditions on the physical properties of silica hydrogels. MENDELEEV COMMUNICATIONS 2020. [DOI: 10.1016/j.mencom.2020.11.041] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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Pal N, Lee JH, Cho EB. Recent Trends in Morphology-Controlled Synthesis and Application of Mesoporous Silica Nanoparticles. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E2122. [PMID: 33113856 PMCID: PMC7692592 DOI: 10.3390/nano10112122] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Revised: 10/19/2020] [Accepted: 10/21/2020] [Indexed: 01/12/2023]
Abstract
The outstanding journey towards the investigation of mesoporous materials commences with the discovery of high surface area porous silica materials, named MCM-41 (Mobil Composition of Matter-41) according to the inventors' name Mobile scientists in the United States. Based on a self-assembled supramolecular templating mechanism, the synthesis of mesoporous silica has extended to wide varieties of silica categories along with versatile applications of all these types in many fields. These silica families have some extraordinary structural features, like highly tunable nanoscale sized pore diameter, good Brunauer-Emmett-Teller (BET) surface areas, good flexibility to accommodate different organic and inorganic functional groups, metals etc., onto their surface. As a consequence, thousands of scientists and researchers throughout the world have reported numerous silica materials in the form of published articles, communication, reviews, etc. Beside this, attention is also given to the morphology-oriented synthesis of silica nanoparticles and their significant effects on the emerging fields of study like catalysis, energy applications, sensing, environmental, and biomedical research. This review highlights a consolidated overview of those morphology-based mesoporous silica particles, emphasizing their syntheses and potential role in many promising fields of research.
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Affiliation(s)
- Nabanita Pal
- Department of Physics and Chemistry, Mahatma Gandhi Institute of Technology, Gandipet, Hyderabad 500075, India;
| | - Jun-Hyeok Lee
- Department of Fine Chemistry, Seoul National University of Science and Technology, Seoul 01811, Korea;
| | - Eun-Bum Cho
- Department of Fine Chemistry, Seoul National University of Science and Technology, Seoul 01811, Korea;
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Surfactant-Triggered Molecular Gate Tested on Different Mesoporous Silica Supports for Gastrointestinal Controlled Delivery. NANOMATERIALS 2020; 10:nano10071290. [PMID: 32630076 PMCID: PMC7407901 DOI: 10.3390/nano10071290] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Revised: 06/26/2020] [Accepted: 06/27/2020] [Indexed: 12/25/2022]
Abstract
In recent decades, the versatility of mesoporous silica particles and their relevance to develop controlled release systems have been demonstrated. Within them, gated materials able to modulate payload delivery represent great advantages. However, the role played by the porous matrix in this kind of systems is scarce. In this work, different mesoporous silica materials (MCM-41, MCM-48, SBA-15 and UVM-7) are functionalized with oleic acid as a molecular gate. All systems are fully characterized and their ability to confine the entrapped cargo and release it in the presence of bile salts is validated with release assays and in vitro digestion experiments. The cargo release profile of each synthesized support is studied, paying attention to the inorganic scaffold. Obtained release profiles fit to Korsmeyer–Peppas model, which explains the differences among the studied supports. Based on the results, UVM-7 material was the most appropriate system for duodenal delivery and was tested in an in vivo model of the Wistar rat. Payload confinement and its complete release after gastric emptying is achieved, establishing the possible use of mesoporous silica particles as protection and direct release agents into the duodenum and, hence, demonstrating that these systems could serve as an alternative to the administration methods employed until now.
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Rafieepour A, Azari MR, Peirovi H, Khodagholi F, Jaktaji JP, Mehrabi Y, Naserzadeh P, Mohammadian Y. Investigation of the effect of magnetite iron oxide particles size on cytotoxicity in A 549 cell line. Toxicol Ind Health 2020; 35:703-713. [PMID: 31818242 DOI: 10.1177/0748233719888077] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
INTRODUCTION Magnetite as iron oxide is widely used in various industries, in the pharmaceutical industry in particular where it is used for its magnetic properties. The environmental and occupational exposure to airborne nanoparticles and microparticles of iron oxide compounds have been reported. Since authors have reported contradictory results, the objective of this study was to investigate the effect of particles' size in their toxicities. METHODS The human cell line A549 was exposed with magnetite iron oxide in two size categories of micro (≥5 µm) and nano (<100 nm), with four concentrations of 10, 50, 100, and 250 µg/ml at two time periods of 24 and 72 h. The cell viability, reactive oxygen species (ROS), changes in mitochondrial membrane potential, and incidence of apoptosis were studied. RESULTS Nano and micro magnetite particles demonstrated diverse toxicity effects on the A549 cell line at the 24- and 72-h exposure periods; however, the effects produced were time- and concentration-dependent. Nano magnetite particles produced greater cellular toxicities in forms of decreased viabilities at concentration exposures greater than 50 µg/ml (p < 0.05), along with increased ROS (p < 0.05), decreased cellular membrane potential (p < 0.05), and reduced rate of apoptosis (p < 0.05). DISCUSSION The results of this study demonstrated that magnetite iron in nano-range sizes had a greater absorbability for the A549 cell line compared to micro sizes, and at the same time, nanoparticles were more toxic than microparticles, demonstrating higher production of ROS and decreased viabilities. Considering the greater toxicity of nanoparticles of magnetite iron in this study, thorough precautionary control measures must be taken before they can be used in various industries.
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Affiliation(s)
- Athena Rafieepour
- School of Public Health and Safety, Student Research Committee, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mansour R Azari
- Nanomedicine and Tissue Engineering Research Center, School of Public Health and Safety, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Habibollah Peirovi
- Nanomedicine and Tissue Engineering Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Fariba Khodagholi
- Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Yadollah Mehrabi
- Environmental and Occupational Hazards Control Research Center, School of Public Health and Safety, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Parvaneh Naserzadeh
- School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Yousef Mohammadian
- Nanomedicine and Tissue Engineering Research Center, School of Public Health and Safety, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Mitra S, Kumar R, Roy P, Basu S, Barik S, Goswami A. Naturally Occurring and Synthetic Mesoporous Nanosilica: Multimodal Applications in Frontier Areas of Science. INTERNATIONAL JOURNAL OF NANOSCIENCE 2019. [DOI: 10.1142/s0219581x18500278] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Mesoporous silica nanoparticles (MSNs) have gained attention worldwide due to their structural versatility for diverse applications in a number of frontier areas of sciences. The intrinsic chemical, textural and structural features of MSNs allow fabricating versatile multifunctional nanosystems. The present review provides an overview of the research progress in artificial and biological production of MSNs, their properties and various applications in cutting edge areas of sciences.
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Affiliation(s)
- Sutanuka Mitra
- Biological Sciences Division, Indian Statistical Institute, 203 B. T. Road, Kolkata 700 108, India
| | - Rajesh Kumar
- Division of Agricultural Chemicals, ICAR-Indian Agricultural Research Institute, Pusa Campus, New Delhi 110 012, India
| | - Pradip Roy
- Biological Sciences Division, Indian Statistical Institute, 203 B. T. Road, Kolkata 700 108, India
| | - Satakshi Basu
- Biological Sciences Division, Indian Statistical Institute, 203 B. T. Road, Kolkata 700 108, India
| | - Samarendra Barik
- Biological Sciences Division, Indian Statistical Institute, 203 B. T. Road, Kolkata 700 108, India
| | - Arunava Goswami
- Biological Sciences Division, Indian Statistical Institute, 203 B. T. Road, Kolkata 700 108, India
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Liu HJ, Xu P. Smart Mesoporous Silica Nanoparticles for Protein Delivery. NANOMATERIALS (BASEL, SWITZERLAND) 2019; 9:E511. [PMID: 30986952 PMCID: PMC6523670 DOI: 10.3390/nano9040511] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/10/2019] [Revised: 03/20/2019] [Accepted: 03/23/2019] [Indexed: 12/17/2022]
Abstract
Mesoporous silica nanoparticles (MSN) have attracted a lot of attention during the past decade which is attributable to their versatile and high loading capacity, easy surface functionalization, excellent biocompatibility, and great physicochemical and thermal stability. In this review, we discuss the factors affecting the loading of protein into MSN and general strategies for targeted delivery and controlled release of proteins with MSN. Additionally, we also give an outlook for the remaining challenges in the clinical translation of protein-loaded MSNs.
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Affiliation(s)
- Hai-Jun Liu
- Department of Discovery and Biomedical Sciences, College of Pharmacy, University of South Carolina, 715 Sumter, Columbia, SC 29208, USA.
| | - Peisheng Xu
- Department of Discovery and Biomedical Sciences, College of Pharmacy, University of South Carolina, 715 Sumter, Columbia, SC 29208, USA.
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Yazdimamaghani M, Moos PJ, Dobrovolskaia MA, Ghandehari H. Genotoxicity of amorphous silica nanoparticles: Status and prospects. NANOMEDICINE : NANOTECHNOLOGY, BIOLOGY, AND MEDICINE 2019; 16:106-125. [PMID: 30529789 PMCID: PMC6455809 DOI: 10.1016/j.nano.2018.11.013] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2018] [Revised: 11/19/2018] [Accepted: 11/27/2018] [Indexed: 12/11/2022]
Abstract
Amorphous silica nanoparticles (SNPs) are widely used in biomedical applications and consumer products. Little is known, however, about their genotoxicity and potential to induce gene expression regulation. Despite recent efforts to study the underlying mechanisms of genotoxicity of SNPs, inconsistent results create a challenge. A variety of factors determine particle-cell interactions and underlying mechanisms. Further, high-throughput studies are required to carefully assess the impact of silica nanoparticle physicochemical properties on induction of genotoxic response in different cell lines and animal models. In this article, we review the strategies available for evaluation of genotoxicity of nanoparticles (NPs), survey current status of silica nanoparticle gene alteration and genotoxicity, discuss particle-mediated inflammation as a contributing factor to genotoxicity, identify existing gaps and suggest future directions for this research.
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Affiliation(s)
- Mostafa Yazdimamaghani
- Department of Pharmaceutics and Pharmaceutical Chemistry, University of Utah, Salt Lake City, Utah, United States; Utah Center for Nanomedicine, Nano Institute of Utah, University of Utah, Salt Lake City, Utah, United States
| | - Philip J Moos
- Utah Center for Nanomedicine, Nano Institute of Utah, University of Utah, Salt Lake City, Utah, United States; Department of Pharmacology and Toxicology, University of Utah, Salt Lake City, Utah, United States
| | - Marina A Dobrovolskaia
- Nanotechnology Characterization Laboratory, Cancer Research Technology Program, Frederick National Laboratory for Cancer Research sponsored by the National Cancer Institute, Frederick, Maryland, United States
| | - Hamidreza Ghandehari
- Department of Pharmaceutics and Pharmaceutical Chemistry, University of Utah, Salt Lake City, Utah, United States; Utah Center for Nanomedicine, Nano Institute of Utah, University of Utah, Salt Lake City, Utah, United States; Department of Bioengineering, University of Utah, Salt Lake City, Utah, United States.
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Hossen S, Hossain MK, Basher M, Mia M, Rahman M, Uddin MJ. Smart nanocarrier-based drug delivery systems for cancer therapy and toxicity studies: A review. J Adv Res 2019; 15:1-18. [PMID: 30581608 PMCID: PMC6300464 DOI: 10.1016/j.jare.2018.06.005] [Citation(s) in RCA: 514] [Impact Index Per Article: 102.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2018] [Revised: 06/21/2018] [Accepted: 06/23/2018] [Indexed: 02/06/2023] Open
Abstract
Nonspecific distribution and uncontrollable release of drugs in conventional drug delivery systems (CDDSs) have led to the development of smart nanocarrier-based drug delivery systems, which are also known as Smart Drug Delivery Systems (SDDSs). SDDSs can deliver drugs to the target sites with reduced dosage frequency and in a spatially controlled manner to mitigate the side effects experienced in CDDSs. Chemotherapy is widely used to treat cancer, which is the second leading cause of death worldwide. Site-specific drug delivery led to a keen interest in the SDDSs as an alternative to chemotherapy. Smart nanocarriers, nanoparticles used to carry drugs, are at the focus of SDDSs. A smart drug delivery system consists of smart nanocarriers, targeting mechanisms, and stimulus techniques. This review highlights the recent development of SDDSs for a number of smart nanocarriers, including liposomes, micelles, dendrimers, meso-porous silica nanoparticles, gold nanoparticles, super paramagnetic iron-oxide nanoparticles, carbon nanotubes, and quantum dots. The nanocarriers are described in terms of their structures, classification, synthesis and degree of smartness. Even though SDDSs feature a number of advantages over chemotherapy, there are major concerns about the toxicity of smart nanocarriers; therefore, a substantial study on the toxicity and biocompatibility of the nanocarriers has been reported. Finally, the challenges and future research scope in the field of SDDSs are also presented. It is expected that this review will be widely useful for those who have been seeking new research directions in this field and for those who are about to start their studies in smart nanocarrier-based drug delivery.
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Affiliation(s)
- Sarwar Hossen
- Department of Physics, Khulna Govt. Mahila College, National University, Gazipur 1704, Bangladesh
| | - M. Khalid Hossain
- Institute of Electronics, Atomic Energy Research Establishment, Bangladesh Atomic Energy Commission, Dhaka 1349, Bangladesh
| | - M.K. Basher
- Institute of Electronics, Atomic Energy Research Establishment, Bangladesh Atomic Energy Commission, Dhaka 1349, Bangladesh
| | - M.N.H. Mia
- Institute of Electronics, Atomic Energy Research Establishment, Bangladesh Atomic Energy Commission, Dhaka 1349, Bangladesh
| | - M.T. Rahman
- Department of Materials Science and Engineering, University of Rajshahi, Rajshahi 6205, Bangladesh
| | - M. Jalal Uddin
- Department of Radio Sciences and Engineering, KwangWoon University, Seoul 01897, Republic of Korea
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Breznan D, Das DD, MacKinnon-Roy C, Bernatchez S, Sayari A, Hill M, Vincent R, Kumarathasan P. Physicochemical Properties Can Be Key Determinants of Mesoporous Silica Nanoparticle Potency in Vitro. ACS NANO 2018; 12:12062-12079. [PMID: 30475590 DOI: 10.1021/acsnano.8b04910] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Nanoforms of mesoporous silica (mSiNPs) are increasingly applied in medicine, imaging, energy storage, catalysis, biosensors, and bioremediation. The impact of their physicochemical properties on health and the environment remain to be elucidated. In this work, newly synthesized mesoporous silica (sizes: 25, 70, 100, 170, and 600 nm; surface functionalization: pristine, C3-, and C11-COOH moieties) were assessed for cytotoxicity and induction of inflammatory responses in vitro (A549, THP-1, J774A.1 cells). All toxicity end points were integrated to obtain simple descriptors of biological potencies of these mSiNPs. The findings indicate that mSiNPs are less bioactive than the nonporous reference SiNP used in this study. The C3-COOH-modified mSiNPs were generally less cytotoxic than their pristine and C11-modified counterparts in the nanorange (≤100 nm). Carboxyl-modified mSiNPs affected inflammatory marker release across all sizes with cell-type specificity, suggesting a potential for immunomodulatory effects. Surface area, size, extent of agglomeration, ζ-potential, and surface modification appeared to be important determinants of cytotoxicity of mSiNPs based on association tests. Pathway analysis identified particle and cell-type-specific alteration of cellular pathways and functions by mSiNPs. The integration of exposure-related biological responses of multiple cell lines to mSiNPs allowed for a comprehensive evaluation of the impact of physicochemical factors on their toxicity characteristics. The integrated multilevel toxicity assessment approach can be valuable as a hazard screening tool for safety evaluations of emerging nanomaterials for regulatory purpose.
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Affiliation(s)
| | | | | | | | - Abdelhamid Sayari
- Department of Chemistry and Biomolecular Sciences , University of Ottawa , Ottawa , Ontario K1N 6N5 , Canada
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Shobha N, Nanda N, Giresha AS, Manjappa P, P S, Dharmappa KK, Nagabhushana BM. Synthesis and characterization of Zinc oxide nanoparticles utilizing seed source of Ricinus communis and study of its antioxidant, antifungal and anticancer activity. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2018; 97:842-850. [PMID: 30678976 DOI: 10.1016/j.msec.2018.12.023] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Revised: 11/25/2018] [Accepted: 12/08/2018] [Indexed: 01/25/2023]
Abstract
ZnO nanoparticles have been synthesized using solution combustion technique and its antioxidant, antifungal, anticancer activity was studied. Ricinus communis plant seed extract used as fuel in synthesis by the solution combustion technique. Powder X-ray diffraction (PXRD) demonstrates the arrangement of a crystalline hexagonal stage (ICDD card number 89-1397) with space aggregate P63mc (186) and cell parameters a = b = 3.253, c = 5.213 Å. The normal crystallite measure is 20 nm which is ascertained by Debye - Scherer's formula. The Purity of the sample and metal to oxygen bond development was affirmed by utilizing Fourier transformation infrared (FTIR) spectroscopy and the particle size and shape was confirmed by HRTEM. Antifungal action of ZnO NPs was studied against Aspergillus and Penicillium by well dispersion strategy. The antifungal activity shows that ZnO NPs constitute as an effective fungicidal agent against both Aspergillus (4 ± 0.5 mm) and Penicillium (3 mm ± 0.4 mm) at 30 μg/mL fixation. ZnO nanoparticles were subjected to antioxidant activity. The objective of the study was to analyze the anticancer property of ZnO NPs on MDA-MB 231 cancer cells. To check the efficacy of the synthesized drug ZnO NPs MTT assay was performed, that determines % viability and/or cytotoxicity. IC50 of ZnO NPs in case of MDA-MB-231 breast cancer was 7.103 μg/mL. Anticancer outcome demonstrates that ZnO NPs is active against in MDA-MB-231 cells.
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Affiliation(s)
- N Shobha
- Department of Chemistry, Maharanis' Science College for Women, Bangalore, Karnataka, 560 001, India; Department Studies and Research in Chemistry, Tumkur University, Tumkur, Karnataka, 572 103, India; Department of Chemistry, BMS Engineering college, BMS Academy of Science and Research, Bull temple Road, Bangalore, 560 019, India.
| | - N Nanda
- Department of Chemistry, BMS Engineering college, BMS Academy of Science and Research, Bull temple Road, Bangalore, 560 019, India; Department of Chemistry, BMS College for Women, Bangalore, Karnataka, 560 004, India
| | | | - Praveen Manjappa
- Department of Chemistry, MSRIT, Bangalore, Karnataka, 560 054, India
| | - Sophiya P
- Department of Biochemistry, P.G-Centre, Mangalore University, Kodagu, Karnataka, 571 232, India
| | - K K Dharmappa
- Department of Biochemistry, P.G-Centre, Mangalore University, Kodagu, Karnataka, 571 232, India
| | - B M Nagabhushana
- Department of Chemistry, MSRIT, Bangalore, Karnataka, 560 054, India
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Jafari S, Derakhshankhah H, Alaei L, Fattahi A, Varnamkhasti BS, Saboury AA. Mesoporous silica nanoparticles for therapeutic/diagnostic applications. Biomed Pharmacother 2018; 109:1100-1111. [PMID: 30551360 DOI: 10.1016/j.biopha.2018.10.167] [Citation(s) in RCA: 262] [Impact Index Per Article: 43.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2018] [Revised: 10/26/2018] [Accepted: 10/26/2018] [Indexed: 12/17/2022] Open
Abstract
Based on unique intrinsic properties of mesoporous silica nanoparticles (MSNs) such as high surface area, large pore size, good biocompatibility and biodegradability, stable aqueous dispersion, they have received much attention in the recent decades for their applications as a promising platform in the biomedicine field. These porous structures possess a pore size ranging from 2 to 50 nm which make them excellent candidates for various biomedical applications. Herein, at first we described the common approaches of cargo loading and release processes from MSNs. Then, the intracellular uptake, safety and cytotoxicity aspects of MSNs are discussed as well. This review also highlights the most recent advances in the biomedical applications of MSNs, including 1) MSNs-based carriers, 2) MSNs as bioimaging agents, 3) MSNs-based biosensors, 4) MSNs as therapeutic agents (photodynamic therapy), 5) MSN based quantum dots, 6) MSNs as platforms for upconverting nanoparticles, and 6) MSNs in tissue engineering.
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Affiliation(s)
- Samira Jafari
- Pharmaceutical Sciences Research Center, School of Pharmacy, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Hossein Derakhshankhah
- Pharmaceutical Sciences Research Center, School of Pharmacy, Kermanshah University of Medical Sciences, Kermanshah, Iran.
| | - Loghman Alaei
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
| | - Ali Fattahi
- Pharmaceutical Sciences Research Center, School of Pharmacy, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Behrang Shiri Varnamkhasti
- Pharmaceutical Sciences Research Center, School of Pharmacy, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Ali Akbar Saboury
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran.
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Ganguly P, Breen A, Pillai SC. Toxicity of Nanomaterials: Exposure, Pathways, Assessment, and Recent Advances. ACS Biomater Sci Eng 2018; 4:2237-2275. [DOI: 10.1021/acsbiomaterials.8b00068] [Citation(s) in RCA: 154] [Impact Index Per Article: 25.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Priyanka Ganguly
- Nanotechnology and Bio-Engineering Research Group, Department of Environmental Science, School of Science, Institute of Technology Sligo, Ash Lane, Sligo F91 YW50, Ireland
- Centre for Precision Engineering, Materials and Manufacturing Research (PEM), Institute of Technology Sligo, Ash Lane, Sligo F91 YW50, Ireland
| | - Ailish Breen
- Nanotechnology and Bio-Engineering Research Group, Department of Environmental Science, School of Science, Institute of Technology Sligo, Ash Lane, Sligo F91 YW50, Ireland
- Centre for Precision Engineering, Materials and Manufacturing Research (PEM), Institute of Technology Sligo, Ash Lane, Sligo F91 YW50, Ireland
| | - Suresh C. Pillai
- Nanotechnology and Bio-Engineering Research Group, Department of Environmental Science, School of Science, Institute of Technology Sligo, Ash Lane, Sligo F91 YW50, Ireland
- Centre for Precision Engineering, Materials and Manufacturing Research (PEM), Institute of Technology Sligo, Ash Lane, Sligo F91 YW50, Ireland
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Hu J, Zhang X, Wen Z, Tan Y, Huang N, Cheng S, Zheng H, Cheng Y. Asn-Gly-Arg-modified polydopamine-coated nanoparticles for dual-targeting therapy of brain glioma in rats. Oncotarget 2018; 7:73681-73696. [PMID: 27655664 PMCID: PMC5342007 DOI: 10.18632/oncotarget.12047] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2016] [Accepted: 08/26/2016] [Indexed: 01/02/2023] Open
Abstract
The blood-brain barrier (BBB) is the major clinical obstacle in the chemotherapeutic management of brain glioma. Here we synthesized a pH-sensitive dual-targeting doxorubicin (DOX) carrier to compromise tumor endothelial cells, enhance BBB transportation, and improve drug accumulation in glioma cells. The drug delivery system was constructed with polydopamine (PDA)-coated mesoporous silica nanoparticles (NPs, MSNs) and the PDA coating was functionalized with Asn-Gly-Arg (NGR), a ligand with specific affinity for cluster of differentiation 13 (CD13). MSN-DOX-PDA-NGR showed a higher intracellular accumulation in primary brain capillary endothelial cells (BCECs) and C6 cells and greater BBB permeability than the non-targeting NPs (MSN-DOX-PDA) did in vitro. Ex vivo and in vivo tests showed that MSN-DOX-PDA-NGR had a higher accumulation in intracranial tumorous tissue than the undecorated NPs did. Furthermore, the antiangiogenesis and antitumor efficacy of MSN-DOX-PDA-NGR were stronger than that of MSN-DOX-PDA. Therefore, these results indicate that the dual-targeting vehicles are potentially useful in brain glioma therapy.
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Affiliation(s)
- Jiangang Hu
- Department of Neurosurgery, the Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China.,Chongqing Key Laboratory of Ultrasound Molecular Imaging, Institute of Ultrasound Imaging of Chongqing Medical University, Chongqing, 400016, China
| | - Xiang Zhang
- Department of Neurosurgery, the Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China.,Chongqing Key Laboratory of Ultrasound Molecular Imaging, Institute of Ultrasound Imaging of Chongqing Medical University, Chongqing, 400016, China
| | - Zuhuang Wen
- College of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, China
| | - Ying Tan
- Department of Neurosurgery, the Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China
| | - Ning Huang
- Department of Neurosurgery, the Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China
| | - Si Cheng
- Department of Orthopaedics, the First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - Huzhi Zheng
- College of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, China
| | - Yuan Cheng
- Department of Neurosurgery, the Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China
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Enhancing internalization of silica particles in myocardial cells through surface modification. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017. [DOI: 10.1016/j.msec.2017.05.092] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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32
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Nabipour H, Hossaini Sadr M, Rezanejade Bardajee G. Release behavior, kinetic and antimicrobial study of nalidixic acid from [Zn2(bdc)2(dabco)] metal-organic frameworks. J COORD CHEM 2017. [DOI: 10.1080/00958972.2017.1363391] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Hafezeh Nabipour
- Faculty of Science, Department of Chemistry, Azarbaijan Shahid Madani University, Tabriz, Iran
| | - Moayad Hossaini Sadr
- Faculty of Science, Department of Chemistry, Azarbaijan Shahid Madani University, Tabriz, Iran
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Sayed E, Haj-Ahmad R, Ruparelia K, Arshad MS, Chang MW, Ahmad Z. Porous Inorganic Drug Delivery Systems-a Review. AAPS PharmSciTech 2017; 18:1507-1525. [PMID: 28247293 DOI: 10.1208/s12249-017-0740-2] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2016] [Accepted: 02/08/2017] [Indexed: 11/30/2022] Open
Abstract
Innovative methods and materials have been developed to overcome limitations associated with current drug delivery systems. Significant developments have led to the use of a variety of materials (as excipients) such as inorganic and metallic structures, marking a transition from conventional polymers. Inorganic materials, especially those possessing significant porosity, are emerging as good candidates for the delivery of a range of drugs (antibiotics, anticancer and anti-inflammatories), providing several advantages in formulation and engineering (encapsulation of drug in amorphous form, controlled delivery and improved targeting). This review focuses on key selected developments in porous drug delivery systems. The review provides a short broad overview of porous polymeric materials for drug delivery before focusing on porous inorganic materials (e.g. Santa Barbara Amorphous (SBA) and Mobil Composition of Matter (MCM)) and their utilisation in drug dosage form development. Methods for their preparation and drug loading thereafter are detailed. Several examples of porous inorganic materials, drugs used and outcomes are discussed providing the reader with an understanding of advances in the field and realistic opportunities.
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del Hierro I, Pérez Y, Cruz P, Juárez R. Pt and Ti Complexes Immobilized onto Mesoporous Silica Microspheres and Their Interaction with Molecules of Biological Interest. Eur J Inorg Chem 2017. [DOI: 10.1002/ejic.201700235] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Isabel del Hierro
- Departamento de Biología, Geología, Física y Química Inorgánica; Escuela Superior de Ciencias Experimentales y Tecnología; Universidad Rey Juan Carlos; 28934 Móstoles (Madrid) Spain
| | - Yolanda Pérez
- Departamento de Biología, Geología, Física y Química Inorgánica; Escuela Superior de Ciencias Experimentales y Tecnología; Universidad Rey Juan Carlos; 28934 Móstoles (Madrid) Spain
| | - Paula Cruz
- Departamento de Biología, Geología, Física y Química Inorgánica; Escuela Superior de Ciencias Experimentales y Tecnología; Universidad Rey Juan Carlos; 28934 Móstoles (Madrid) Spain
| | - Rafael Juárez
- Departamento de Tecnología Química y Energética, Tecnología Química y Ambiental, Tecnología Mecánica y Química Inorgánica; Escuela Superior de Ciencias Experimentales y Tecnología; Universidad Rey Juan Carlos; 28934 Móstoles (Madrid) Spain
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35
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Chen YP, Wu SH, Chen IC, Chen CT. Impacts of Cross-Linkers on Biological Effects of Mesoporous Silica Nanoparticles. ACS APPLIED MATERIALS & INTERFACES 2017; 9:10254-10265. [PMID: 28229590 DOI: 10.1021/acsami.7b00240] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Chemically synthesized cross-linkers play decisive roles in variable cargos attached to nanoparticles (NPs). Previous studies reported that surface properties, such as the size, charge, and surface chemistry, are particularly important determinants influencing the biological fate and actions of NPs and cells. Recent studies also focused on the relationship of serum proteins with the surface properties of NPs (also called the protein corona), which is recognized as a key factor in determining the cytotoxicity and biodistribution. However, there is concern that cross-linkers conjugated onto NPs might induce undesirable biological effects. Cell responses induced by cross-linkers have not yet been precisely elucidated. Herein, using mesoporous silica nanoparticles (MSNs) the surfaces of which were separately conjugated with four popular heterobifunctional cross-linkers, i.e., N-[α-maleimidoacetoxy]succinimide ester (AMAS), m-maleimidobenzoyl-N-hydroxysuccinimide ester (MBS), succinimidyl 4-(N-maleimidomethyl)cyclohexane-1-carboxylate (SMCC), and maleimide poly(ethylene glycol) succinimidyl carboxymethyl ester (MAL-PEG-SCM), we investigated cross-linker-conjugated MSNs to determine whether they can cause cytotoxicity, or enhance reactive oxygen species (ROS) generation, nuclear factor (NF)-κB activation, and p-p38 or p21 protein expressions in RAW264.7 macrophage cells. Furthermore, we also separately conjugated two biomolecules containing TAT peptides and bovine serum albumin (BSA) as model systems to study their cell responses in detail. Finally, in vivo mice studies evaluated the biodistribution and blood assays (biochemistry and complete blood count) of PEG-derivative NPs, and results suggested that TAT peptides caused significant white blood cell (WBC)-related cell and platelet abnormalities, as well as liver and kidney dysfunction compared to BSA when conjugated onto MSNs. The results showed that attention to cross-linkers should be considered an issue in the surface modification of NPs. We anticipate that our results could be helpful in developing biosafety nanomaterials.
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Affiliation(s)
| | | | - I-Chih Chen
- Department of Biochemistry and Molecular Cell Biology, College of Medicine, Taipei Medical University , Taipei 110, Taiwan
| | - Chien-Tsu Chen
- Department of Biochemistry and Molecular Cell Biology, College of Medicine, Taipei Medical University , Taipei 110, Taiwan
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36
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Kotcherlakota R, Barui AK, Prashar S, Fajardo M, Briones D, Rodríguez-Diéguez A, Patra CR, Gómez-Ruiz S. Curcumin loaded mesoporous silica: an effective drug delivery system for cancer treatment. Biomater Sci 2017; 4:448-59. [PMID: 26674254 DOI: 10.1039/c5bm00552c] [Citation(s) in RCA: 88] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In the present study, we report the delivery of anti-cancer drug curcumin to cancer cells using mesoporous silica materials. A series of mesoporous silica material based drug delivery systems (S2, S4 and S6) were first designed and developed through the amine functionalization of KIT-6, MSU-2 and MCM-41 followed by the loading of curcumin. The curcumin loaded materials were characterized with several physico-chemical techniques and thoroughly screened on cancer cells to evaluate their in vitro drug delivery efficacy. All the curcumin loaded silica materials exhibited higher cellular uptake and inhibition of cancer cell viability compared to pristine curcumin. The effective internalization of curcumin in cancer cells through the mesoporous silica materials initiated the generation of intracellular reactive oxygen species and the down regulation of poly ADP ribose polymerase (PARP) enzyme levels compared to free curcumin leading to the activation of apoptosis. This study shows that the anti-cancer activity of curcumin can be potentiated by loading onto mesoporous silica materials. Therefore, we strongly believe that mesoporous silica based curcumin loaded drug delivery systems may have future potential applications for the treatment of cancers.
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Affiliation(s)
- Rajesh Kotcherlakota
- Biomaterials Group, CSIR-Indian Institute of Chemical Technology, Uppal Road, Tarnaka, Hyderabad 500007, India.
| | - Ayan Kumar Barui
- Biomaterials Group, CSIR-Indian Institute of Chemical Technology, Uppal Road, Tarnaka, Hyderabad 500007, India. and Academy of Scientific and Innovative Research (AcSIR), Training and Development Complex, CSIR Campus, CSIR Road, Taramani, Chennai - 600 113, India
| | - Sanjiv Prashar
- Departamento de Biología y Geología, Física y Quimica Inorgánica, E.S.C.E.T., Universidad Rey Juan Carlos, Calle Tulipán s/n, 28933, Móstoles, Madrid, Spain.
| | - Mariano Fajardo
- Departamento de Biología y Geología, Física y Quimica Inorgánica, E.S.C.E.T., Universidad Rey Juan Carlos, Calle Tulipán s/n, 28933, Móstoles, Madrid, Spain.
| | - David Briones
- Departamento de Química Inorgánica, Universidad de Granada, Facultad de Ciencias, Fuente Nueva s/n 18071, Granada, Spain
| | - Antonio Rodríguez-Diéguez
- Departamento de Química Inorgánica, Universidad de Granada, Facultad de Ciencias, Fuente Nueva s/n 18071, Granada, Spain
| | - Chitta Ranjan Patra
- Biomaterials Group, CSIR-Indian Institute of Chemical Technology, Uppal Road, Tarnaka, Hyderabad 500007, India. and Academy of Scientific and Innovative Research (AcSIR), Training and Development Complex, CSIR Campus, CSIR Road, Taramani, Chennai - 600 113, India
| | - Santiago Gómez-Ruiz
- Departamento de Biología y Geología, Física y Quimica Inorgánica, E.S.C.E.T., Universidad Rey Juan Carlos, Calle Tulipán s/n, 28933, Móstoles, Madrid, Spain.
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Park CM, Chu KH, Her N, Jang M, Baalousha M, Heo J, Yoon Y. Occurrence and Removal of Engineered Nanoparticles in Drinking Water Treatment and Wastewater Treatment Processes. SEPARATION AND PURIFICATION REVIEWS 2016. [DOI: 10.1080/15422119.2016.1260588] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Chang Min Park
- Department of Civil and Environmental Engineering, University of South Carolina, Columbia, South Carolina, USA
| | - Kyoung Hoon Chu
- Department of Civil and Environmental Engineering, University of South Carolina, Columbia, South Carolina, USA
| | - Namguk Her
- Department of Civil and Environmental Engineering, Korea Army Academy at Young-Cheon, Gyeongbuk, Korea
| | - Min Jang
- Department of Environmental Engineering, Kwangwoon University, Seoul, Korea
| | - Mohammed Baalousha
- Department of Environmental Health Sciences, Center for Environmental Nanoscience and Risk, University of South Carolina, Columbia, South Carolina, USA
| | - Jiyong Heo
- Department of Civil and Environmental Engineering, Korea Army Academy at Young-Cheon, Gyeongbuk, Korea
| | - Yeomin Yoon
- Department of Civil and Environmental Engineering, University of South Carolina, Columbia, South Carolina, USA
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38
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Fazaeli Y, Asgari Z. DTPA-Functionalized Nano-Porous MCM-41 Silica: A New Potential Nanoengineered Labeled Composite for Diagnostic Applications. IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION A-SCIENCE 2016. [DOI: 10.1007/s40995-016-0047-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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39
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Bollu VS, Barui AK, Mondal SK, Prashar S, Fajardo M, Briones D, Rodríguez-Diéguez A, Patra CR, Gómez-Ruiz S. Curcumin-loaded silica-based mesoporous materials: Synthesis, characterization and cytotoxic properties against cancer cells. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 63:393-410. [DOI: 10.1016/j.msec.2016.03.011] [Citation(s) in RCA: 57] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2015] [Revised: 02/28/2016] [Accepted: 03/01/2016] [Indexed: 01/22/2023]
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40
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Fazaeli Y, Feizi S, Jalilian AR, Hejrani A. Grafting of [64Cu]-TPPF20 porphyrin complex on Functionalized nano-porous MCM-41 silica as a potential cancer imaging agent. Appl Radiat Isot 2016; 112:13-9. [DOI: 10.1016/j.apradiso.2016.03.003] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2015] [Revised: 02/15/2016] [Accepted: 03/03/2016] [Indexed: 12/19/2022]
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41
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Park JU, Jung HD, Song EH, Choi TH, Kim HE, Song J, Kim S. The accelerating effect of chitosan-silica hybrid dressing materials on the early phase of wound healing. J Biomed Mater Res B Appl Biomater 2016; 105:1828-1839. [PMID: 27219872 DOI: 10.1002/jbm.b.33711] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2015] [Revised: 04/21/2016] [Accepted: 05/01/2016] [Indexed: 11/09/2022]
Abstract
Commercialized dressing materials with or without silver have played a passive role in early-phase wound healing, protecting the skin defects from infections, absorbing exudate, and preventing dehydration. Chitosan (CTS)-based sponges have been developed in pure or hybrid forms for accelerating wound healing, but their wound-healing capabilities have not been extensively compared with widely used commercial dressing materials, providing limited information in a practical aspect. In this study, we have developed CTS-silica (CTS-Si) hybrid sponges with water absorption, flexibility, and mechanical behavior similar to those of CTS sponges. In vitro and in vivo tests were performed to compare the CTS-Si sponges with three commercial dressing materials [gauze, polyurethane (PU), and silver-containing hydrofiber (HF-Ag)] in addition to CTS sponges. Both in vitro and in vivo tests showed that CTS-Si sponges promoted fibroblast proliferation, leading to accelerated collagen synthesis, whereas the CTS sponges did not exhibit significant differences in fibroblast proliferation and collagen synthesis from gauze, PU, and HF-Ag sponges. In case of CTS-Si, the inflammatory cells were actively recruited to the wound by the influence of the released silicon ions from CTS-Si sponges, which, in return, led to an enhanced secretion of growth factors, particularly TGF-β during the early stage. The higher level of TGF-β likely improved the proliferation of fibroblasts, and as a result, collagen synthesis by fibroblasts became remarkably productive, thereby increasing collagen density at the wound site. Therefore, the CTS-Si hybrid sponges have considerable potential as a wound-dressing material for accelerating wound healing. © 2016 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 105B: 1828-1839, 2017.
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Affiliation(s)
- Ji-Ung Park
- Department of Plastic and Reconstructive Surgery, Seoul National University Boramae Hospital, Dongjak-Gu, Seoul, Republic of Korea
| | - Hyun-Do Jung
- Liquid Processing & Casting Technology R&D Group, Korea Institute of Industrial Technology, Incheon, Republic of Korea
| | - Eun-Ho Song
- Department of Materials Science and Engineering, Seoul National University, Seoul, Republic of Korea
| | - Tae-Hyun Choi
- Department of Plastic and Reconstructive Surgery, Institute of Human-Environment Interface Biology, Seoul National University College of Medicine, Jongno-Gu, Seoul, Republic of Korea
| | - Hyoun-Ee Kim
- Department of Materials Science and Engineering, Seoul National University, Seoul, Republic of Korea.,Biomedical Implant Convergence Research Center, Advanced Institutes of Convergence Technology, Suwon, Republic of Korea
| | - Juha Song
- Biomedical Implant Convergence Research Center, Advanced Institutes of Convergence Technology, Suwon, Republic of Korea
| | - Sukwha Kim
- Department of Plastic and Reconstructive Surgery, Institute of Human-Environment Interface Biology, Seoul National University College of Medicine, Jongno-Gu, Seoul, Republic of Korea
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Hsu BYW, Kirby G, Tan A, Seifalian AM, Li X, Wang J. Relaxivity and toxicological properties of manganese oxide nanoparticles for MRI applications. RSC Adv 2016; 6:45462-45474. [PMID: 31156805 DOI: 10.1039/c6ra04421b] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Manganese oxide nanoparticles (MONs) have received growing attention as alternative T 1 MRI contrast agents due to the association of commercial gadolinium-based contrast agents with nephrogenic systemic fibrosis. Since the seminal publication first describing the use of MONs as positive T 1 contrast agents, there is an ongoing impetus to develop MONs of higher T 1 signal intensity for better diagnostic efficacy. Indeed, various MON-based nanoprobe designs have been proposed, such as the employment of a mesoporous nanomaterial with MONs evenly dispersed within, or the traditional coating of a biocompatible layer onto the surface of MONs to form a core-shell configuration. Recent advances in this field also propose stimuli-responsive MONs that capitalize on an acidic dissolution or in situ reduction to release Mn2+ ions for a multi-fold increase in MRI contrast. However, the potential nanotoxicity of MONs remains a key obstacle to the clinical translation of MON-based T 1 contrast agents. Due to the wide variety of functionalities and physicochemical properties of MONs, there is also a lack of consensus on the toxicological properties of MONs. In addition, the r 1 relaxivity of MRI contrast agents typically decreases at higher field strength. Hence, it highlights the need to develop MON-based contrast agents with higher relaxivities. In this regard, this article aims to present a thorough review of MONs for MRI applications, with particular emphasis on their relaxivity and toxicological properties. In order to systematically review the current state-of-the-art for the development of MONs for MRI applications, the MON-based T 1 contrast agents are categorized based on the structure of the nanomaterial system. Key parameters that influence the nanotoxicity of MONs are also examined while the absorption, distribution, metabolism and excretion of MON in vivo are evaluated to discern how long the nanoparticles will be present within the body, as well as to predict the organs or tissues in which they distribute.
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Affiliation(s)
- Benedict You Wei Hsu
- NUS Graduate School for Integrative Sciences and Engineering, National University of Singapore (NUS), Singapore.,Institute of Materials Research and Engineering, Agency for Science Technology and Research (ASTAR), Singapore
| | - Georgia Kirby
- UCL Medical School, University College London (UCL), London, UK.,King's College, University of Cambridge, Cambridge, UK
| | - Aaron Tan
- UCL Medical School, University College London (UCL), London, UK.,Biomaterials & Advanced Drug Delivery Laboratory (BioADD), Stanford University School of Medicine, Stanford University, Stanford, USA
| | - Alexander M Seifalian
- Centre for Nanotechnology & Regenerative Medicine, UCL Division of Surgery & Interventional Science, University College London (UCL), London, UK
| | - Xu Li
- Institute of Materials Research and Engineering, Agency for Science Technology and Research (ASTAR), Singapore
| | - John Wang
- NUS Graduate School for Integrative Sciences and Engineering, National University of Singapore (NUS), Singapore.,Department of Materials Science & Engineering, National University of Singapore (NUS), Singapore
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Nanostructured materials functionalized with metal complexes: In search of alternatives for administering anticancer metallodrugs. Coord Chem Rev 2016. [DOI: 10.1016/j.ccr.2016.01.001] [Citation(s) in RCA: 149] [Impact Index Per Article: 18.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Chakravarty R, Goel S, Hong H, Chen F, Valdovinos HF, Hernandez R, Barnhart TE, Cai W. Hollow mesoporous silica nanoparticles for tumor vasculature targeting and PET image-guided drug delivery. Nanomedicine (Lond) 2016; 10:1233-46. [PMID: 25955122 DOI: 10.2217/nnm.14.226] [Citation(s) in RCA: 64] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
AIM Development of multifunctional and well-dispersed hollow mesoporous silica nanoparticles (HMSNs) for tumor vasculature targeted drug delivery and PET imaging. MATERIALS & METHODS Amine functionalized HMSNs (150-250 nm) were conjugated with a macrocyclic chelator, (S)-2-(4-isothiocyanatobenzyl)-1,4,7-triazacyclononane-1,4,7-triaceticacid (NOTA), PEGylated and loaded with antiangiogenesis drug, Sunitinib. Cyclo(Arg-Gly-Asp-D-Tyr-Lys) (cRGDyK) peptide was attached to the nanoconjugate and radiolabeled with (64)Cu for PET imaging. RESULTS (64)Cu-NOTA-HMSN-PEG-cRGDyK exhibited integrin-specific uptake both in vitro and in vivo. PET results indicated approximately 8% ID/g uptake of targeted nanoconjugates in U87MG tumors, which correlated well with ex vivo and histological analyses. Enhanced tumor-targeted delivery of sunitinib was also observed. CONCLUSION We successfully developed tumor vasculature targeted HMSNs for PET imaging and image-guided drug delivery.
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Affiliation(s)
- Rubel Chakravarty
- Department of Radiology, University of Wisconsin-Madison, WI 53792-3252, USA
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Decan N, Wu D, Williams A, Bernatchez S, Johnston M, Hill M, Halappanavar S. Characterization of in vitro genotoxic, cytotoxic and transcriptomic responses following exposures to amorphous silica of different sizes. MUTATION RESEARCH. GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2016; 796:8-22. [PMID: 26778505 DOI: 10.1016/j.mrgentox.2015.11.011] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2015] [Revised: 11/18/2015] [Accepted: 11/23/2015] [Indexed: 11/25/2022]
Abstract
The objectives of the present study were to investigate the underlying mechanisms of genetic and cellular toxicity induced by silica nanoparticles (SiNPs) and determine if such toxicity is influenced by particle size. Commercially available amorphous SiNPs (12 nm, 5-10 nm, and 10-15 nm) and micrometer sized (SiP2 μm) silica were characterised for size, chemical composition, and aggregation state. Mouse lung epithelial (FE1) cells derived from Muta™Mouse were exposed to various concentrations (12.5, 25, 50, 100 μg/ml) of SiNPs and SiP2 μm. Cellular viability, clonogenic potential, oxidative stress, micronucleus formation, and mutant frequency were measured at different post-exposure time points. Cellular internalization of particles was assessed using nanoscale hyperspectral microscopy. Biological pathway and functional perturbations were assessed using DNA microarrays. Detailed characterization of particles confirmed their size, purity, and uniform dispersion in the exposure medium. Decreased cellular viability was observed acutely at 24h at concentrations higher than 25 μg/ml for all particle types, with SiNPs being the most sensitive; loss of viability was surface area dependent at the lowest concentration tested. However, only SiNP12 showed poor long-term survival. A size-dependent increase in micronucleus formation was also observed for SiNPs. In contrast to the viability results, SiP2 μm exhibited the highest potential to induce oxidative stress compared to the SiNPs at all tested concentrations. Gene ontology and biological pathway analysis revealed significant changes in the expression of genes implicated in lysosomal functions in SiNP12-treated cells, which appear closely associated with higher SiNP12 internalization and lysosomal rearrangements in the cytoplasm of these cells. These results suggest that SiNPs induce cellular and genetic toxicity in a size-dependent manner and that the observed toxicity may be the results of higher particle internalization of smaller SiNP and subsequent lysosomal overload.
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Affiliation(s)
- Nathalie Decan
- Environmental Health Science and Research Bureau, Environmental and Radiation Health Sciences Directorate, Health Canada, Ottawa, Canada
| | - Dongmei Wu
- Environmental Health Science and Research Bureau, Environmental and Radiation Health Sciences Directorate, Health Canada, Ottawa, Canada
| | - Andrew Williams
- Environmental Health Science and Research Bureau, Environmental and Radiation Health Sciences Directorate, Health Canada, Ottawa, Canada
| | - Stéphane Bernatchez
- New Substances Assessment and Control Bureau, Safe Environments Directorate, Health Canada, Ottawa, Canada
| | - Michael Johnston
- Centre for Biologics Evaluation, Biologics and Genetic Therapies Directorate, Health Canada, Ottawa, Canada
| | - Myriam Hill
- New Substances Assessment and Control Bureau, Safe Environments Directorate, Health Canada, Ottawa, Canada
| | - Sabina Halappanavar
- Environmental Health Science and Research Bureau, Environmental and Radiation Health Sciences Directorate, Health Canada, Ottawa, Canada.
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Hao Y, Wu C, Zhao Z, Zhao Y, Xu J, Qiu Y, Jiang J, Yu T, Ma C, Zhou B. Development of a novel starch with a three-dimensional ordered macroporous structure for improving the dissolution rate of felodipine. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 58:1131-7. [DOI: 10.1016/j.msec.2015.09.018] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Revised: 08/12/2015] [Accepted: 09/02/2015] [Indexed: 11/25/2022]
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Affiliation(s)
- Yi Shi
- Department of Pharmaceutical Sciences, University of North Texas System College of Pharmacy, University of North Texas Health Science Center, Fort Worth, Texas, USA
| | | | - Anthony J. Di Pasqua
- Department of Pharmaceutical Sciences, University of North Texas System College of Pharmacy, University of North Texas Health Science Center, Fort Worth, Texas, USA
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Tetracycline-Containing MCM-41 Mesoporous Silica Nanoparticles for the Treatment of Escherichia coli. Molecules 2015; 20:19690-8. [PMID: 26528964 PMCID: PMC6332305 DOI: 10.3390/molecules201119650] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2015] [Revised: 10/21/2015] [Accepted: 10/22/2015] [Indexed: 11/17/2022] Open
Abstract
Tetracycline (TC) is a well-known broad spectrum antibiotic, which is effective against many Gram positive and Gram negative bacteria. Controlled release nanoparticle formulations of TC have been reported, and could be beneficial for application in the treatment of periodontitis and dental bone infections. Furthermore, TC-controlled transcriptional regulation systems (Tet-on and Tet-off) are useful for controlling transgene expression in vitro and in vivo for biomedical research purposes; controlled TC release systems could be useful here, as well. Mesoporous silica nanomaterials (MSNs) are widely studied for drug delivery applications; Mobile crystalline material 41 (MCM-41), a type of MSN, has a mesoporous structure with pores forming channels in a hexagonal fashion. We prepared 41 ± 4 and 406 ± 55 nm MCM-41 mesoporous silica nanoparticles with loaded TC for controlled drug release; TC content in the TC-MCM-41 nanoparticles was 18.7% and 17.7% w/w, respectively. Release of TC from TC-MCM-41 nanoparticles was then measured in phosphate-buffered saline (PBS), pH 7.2, at 37 °C over a period of 5 h. Most antibiotic was released from both over this observation period; however, the majority of TC was released over the first hour. Efficacy of the TC-MCM-41 nanoparticles was then shown to be superior to free TC against Escherichia coli (E. coli) in culture over a 24 h period, while blank nanoparticles had no effect.
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Munaweera I, Shi Y, Koneru B, Patel A, Dang MH, Di Pasqua AJ, Balkus KJ. Nitric oxide- and cisplatin-releasing silica nanoparticles for use against non-small cell lung cancer. J Inorg Biochem 2015; 153:23-31. [PMID: 26402659 DOI: 10.1016/j.jinorgbio.2015.09.002] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2015] [Revised: 09/03/2015] [Accepted: 09/09/2015] [Indexed: 12/20/2022]
Abstract
Nitric oxide (NO) and cisplatin releasing wrinkle-structured amine-modified mesoporous silica (AMS) nanoparticles have been developed for the treatment of non-small cell lung cancer (NSCLC). The AMS and NO- and cisplatin-loaded AMS materials were characterized using TEM, BET surface area, FTIR and ICP-MS, and tested in cell culture. The results show that for NSCLC cell lines (i.e., H596 and A549), the toxicity of NO- and cisplatin-loaded silica nanoparticles (NO-Si-DETA-cisplatin-AMS) is significantly higher than that of silica nanoparticles loaded with only cisplatin (Si-DETA-cisplatin-AMS). In contrast, the toxicity of NO-Si-DETA-cisplatin-AMS toward normal lung cell lines is not significantly different from that of Si-DETA-cisplatin-AMS (normal lung fibroblast cells WI-38) or is even lower than that of Si-DETA-cisplatin-AMS (normal lung epithelial cells BEAS-2B). The NO-induced sensitization of tumor cell death demonstrates that NO is a promising enhancer of platinum-based lung cancer therapy.
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Affiliation(s)
- Imalka Munaweera
- Department of Chemistry, University of Texas at Dallas, 800 West Campbell Rd., Richardson, TX 75080, United States
| | - Yi Shi
- Depatment of Pharmaceutical Sciences, University of North Texas System College of Pharmacy, University of North Texas Health Science Center, 3500 Camp Bowie Blvd., Fort Worth, TX 76107, United States
| | - Bhuvaneswari Koneru
- Depatment of Pharmaceutical Sciences, University of North Texas System College of Pharmacy, University of North Texas Health Science Center, 3500 Camp Bowie Blvd., Fort Worth, TX 76107, United States
| | - Amit Patel
- Depatment of Pharmaceutical Sciences, University of North Texas System College of Pharmacy, University of North Texas Health Science Center, 3500 Camp Bowie Blvd., Fort Worth, TX 76107, United States
| | - Mai H Dang
- Depatment of Pharmaceutical Sciences, University of North Texas System College of Pharmacy, University of North Texas Health Science Center, 3500 Camp Bowie Blvd., Fort Worth, TX 76107, United States
| | - Anthony J Di Pasqua
- Depatment of Pharmaceutical Sciences, University of North Texas System College of Pharmacy, University of North Texas Health Science Center, 3500 Camp Bowie Blvd., Fort Worth, TX 76107, United States.
| | - Kenneth J Balkus
- Department of Chemistry, University of Texas at Dallas, 800 West Campbell Rd., Richardson, TX 75080, United States.
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50
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Zhang Y, Ang CY, Li M, Tan SY, Qu Q, Luo Z, Zhao Y. Polymer-Coated Hollow Mesoporous Silica Nanoparticles for Triple-Responsive Drug Delivery. ACS APPLIED MATERIALS & INTERFACES 2015; 7:18179-18187. [PMID: 26221866 DOI: 10.1021/acsami.5b05893] [Citation(s) in RCA: 148] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
In this study, pH, reduction and light triple-responsive nanocarriers based on hollow mesoporous silica nanoparticles (HMSNs) modified with poly(2-(diethylamino)ethyl methacrylate) (PDEAEMA) were developed via surface-initiated atom transfer radical polymerization. Both reduction-cleavable disulfide bond and light-cleavable o-nitrobenzyl ester were used as the linkages between HMSNs and pH-sensitive PDEAEMA polymer caps. A series of characterization techniques were applied to characterize and confirm the structures of the intermediates and final nanocarriers. Doxorubicin (DOX) was easily encapsulated into the nanocarriers with a high loading capacity, and quickly released in response to the stimuli of reducing agent, acid environment or UV light irradiation. In addition, flow cytometry analysis, confocal laser scanning microscopy observations and cytotoxicity studies indicated that the nanocarriers were efficiently internalized by HeLa cancer cells, exhibiting (i) enhanced release of DOX into the cytoplasm under external UV light irradiation, (ii) better cytotoxicity against HeLa cells, and (iii) superior control over drug delivery and release. Thus, the triple-responsive nanocarriers present highly promising potentials as a drug delivery platform for cancer therapy.
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Affiliation(s)
- Yuanyuan Zhang
- †Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, 637371 Singapore
| | - Chung Yen Ang
- †Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, 637371 Singapore
| | - Menghuan Li
- †Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, 637371 Singapore
| | - Si Yu Tan
- †Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, 637371 Singapore
| | - Qiuyu Qu
- †Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, 637371 Singapore
| | - Zhong Luo
- †Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, 637371 Singapore
| | - Yanli Zhao
- †Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, 637371 Singapore
- ‡School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, 639798 Singapore
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