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Lee CW, Lin ZC, Chiang YC, Li SY, Ciou JJ, Liu KW, Lin YC, Huang BJ, Peng KT, Fang ML, Lin TE, Liao MY, Lai CH. AuAg nanocomposites suppress biofilm-induced inflammation in human osteoblasts. NANOTECHNOLOGY 2023; 34:165101. [PMID: 36657162 DOI: 10.1088/1361-6528/acb4a1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 01/19/2023] [Indexed: 06/17/2023]
Abstract
Staphylococcus aureus (S. aureus)forms biofilm that causes periprosthetic joint infections and osteomyelitis (OM) which are the intractable health problems in clinics. The silver-containing nanoparticles (AgNPs) are antibacterial nanomaterials with less cytotoxicity than the classic Ag compounds. Likewise, gold nanoparticles (AuNPs) have also been demonstrated as excellent nanomaterials for medical applications. Previous studies have showed that both AgNPs and AuNPs have anti-microbial or anti-inflammatory properties. We have developed a novel green chemistry that could generate the AuAg nanocomposites, through the reduction of tannic acid (TNA). The bioactivity of the nanocomposites was investigated inS. aureusbiofilm-exposed human osteoblast cells (hFOB1.19). The current synthesis method is a simple, low-cost, eco-friendly, and green chemistry approach. Our results showed that the AuAg nanocomposites were biocompatible with low cell toxicity, and did not induce cell apoptosis nor necrosis in hFOB1.19 cells. Moreover, AuAg nanocomposites could effectively inhibited the accumulation of reactive oxygen species (ROS) in mitochondria and in rest of cellular compartments after exposing to bacterial biofilm (by reducing 0.78, 0.77-fold in the cell and mitochondria, respectively). AuAg nanocomposites also suppressed ROS-triggered inflammatory protein expression via MAPKs and Akt pathways. The current data suggest that AuAg nanocomposites have the potential to be a good therapeutic agent in treating inflammation in bacteria-infected bone diseases.
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Affiliation(s)
- Chiang-Wen Lee
- Department of Nursing, Division of Basic Medical Sciences, Chronic Diseases and Health Promotion Research Center and Research Center for Chinese Herbal Medicine, Chang Gung University of Science and Technology, Puzi City, Chiayi County 61363, Taiwan
- Department of Safety Health and Environmental Engineering, Ming Chi University of Technology, New Taipei City 243, Taiwan
- Department of Orthopaedic Surgery, Chang Gung Memorial Hospital, Puzi City, Chiayi County 61363, Taiwan
| | - Zih-Chan Lin
- Department of Nursing, Division of Basic Medical Sciences, Chronic Diseases and Health Promotion Research Center and Research Center for Chinese Herbal Medicine, Chang Gung University of Science and Technology, Puzi City, Chiayi County 61363, Taiwan
- Department of Safety Health and Environmental Engineering, Ming Chi University of Technology, New Taipei City 243, Taiwan
- Department of Orthopaedic Surgery, Chang Gung Memorial Hospital, Puzi City, Chiayi County 61363, Taiwan
| | - Yao-Chang Chiang
- Department of Nursing, Division of Basic Medical Sciences, Chronic Diseases and Health Promotion Research Center and Research Center for Chinese Herbal Medicine, Chang Gung University of Science and Technology, Puzi City, Chiayi County 61363, Taiwan
- Department of Safety Health and Environmental Engineering, Ming Chi University of Technology, New Taipei City 243, Taiwan
| | - Sin-Yu Li
- Department of Nursing, Division of Basic Medical Sciences, Chronic Diseases and Health Promotion Research Center and Research Center for Chinese Herbal Medicine, Chang Gung University of Science and Technology, Puzi City, Chiayi County 61363, Taiwan
- Department of Safety Health and Environmental Engineering, Ming Chi University of Technology, New Taipei City 243, Taiwan
| | - Jyun-Jia Ciou
- Graduate Institute of Biomedical Engineering, National Chung Hsing University, Taichung 40227, Taiwan
| | - Kuan-Wen Liu
- Department of Applied Chemistry, National Pingtung University, Pingtung 90003, Taiwan
| | - Yu-Ching Lin
- Department of Applied Chemistry, National Pingtung University, Pingtung 90003, Taiwan
| | - Bo-Jie Huang
- Department of Nursing, Division of Basic Medical Sciences, Chronic Diseases and Health Promotion Research Center and Research Center for Chinese Herbal Medicine, Chang Gung University of Science and Technology, Puzi City, Chiayi County 61363, Taiwan
- Graduate Institute of Biomedical Engineering, National Chung Hsing University, Taichung 40227, Taiwan
| | - Kuo-Ti Peng
- Department of Orthopaedic Surgery, Chang Gung Memorial Hospital, Puzi City, Chiayi County 61363, Taiwan
- Graduate Institute of Clinical Medical Sciences, College of Medicine, Chang Gung University, Taoyuan 333, Taiwan
| | - Mei-Ling Fang
- Center for Environmental Toxin and Emerging-Contaminant Research, Cheng Shiu University, Kaohsiung 833, Taiwan
- Super Micro Research and Technology Center, Cheng Shiu University, Kaohsiung 833, Taiwan
| | - Tzu-En Lin
- Institute of Biomedical Engineering, Department of Electronics and Computer Engineering, National Yang Ming Chiao Tung University, Taiwan
| | - Mei-Yi Liao
- Department of Applied Chemistry, National Pingtung University, Pingtung 90003, Taiwan
| | - Chian-Hui Lai
- Graduate Institute of Biomedical Engineering, National Chung Hsing University, Taichung 40227, Taiwan
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
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Luo H, Guo H, Zhou Y, Fang R, Zhang W, Mei Z. Neutrophil Extracellular Traps in Cerebral Ischemia/Reperfusion Injury: Friend and Foe. Curr Neuropharmacol 2023; 21:2079-2096. [PMID: 36892020 PMCID: PMC10556361 DOI: 10.2174/1570159x21666230308090351] [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: 10/25/2022] [Revised: 12/19/2022] [Accepted: 12/26/2022] [Indexed: 03/10/2023] Open
Abstract
Cerebral ischemic injury, one of the leading causes of morbidity and mortality worldwide, triggers various central nervous system (CNS) diseases, including acute ischemic stroke (AIS) and chronic ischemia-induced Alzheimer's disease (AD). Currently, targeted therapies are urgently needed to address neurological disorders caused by cerebral ischemia/reperfusion injury (CI/RI), and the emergence of neutrophil extracellular traps (NETs) may be able to relieve the pressure. Neutrophils are precursors to brain injury following ischemic stroke and exert complicated functions. NETs extracellularly release reticular complexes of neutrophils, i.e., double-stranded DNA (dsDNA), histones, and granulins. Paradoxically, NETs play a dual role, friend and foe, under different conditions, for example, physiological circumstances, infection, neurodegeneration, and ischemia/reperfusion. Increasing evidence indicates that NETs exert anti-inflammatory effects by degrading cytokines and chemokines through protease at a relatively stable and moderate level under physiological conditions, while excessive amounts of NETs release (NETosis) irritated by CI/RI exacerbate the inflammatory response and aggravate thrombosis, disrupt the blood-brain barrier (BBB), and initiates sequential neuron injury and tissue damage. This review provides a comprehensive overview of the machinery of NETs formation and the role of an abnormal cascade of NETs in CI/RI, as well as other ischemia-induced neurological diseases. Herein, we highlight the potential of NETs as a therapeutic target against ischemic stroke that may inspire translational research and innovative clinical approaches.
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Affiliation(s)
- Haoyue Luo
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, College of Integrated Traditional Chinese Medicine and Western Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, 410208, China
| | - Hanjing Guo
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, College of Integrated Traditional Chinese Medicine and Western Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, 410208, China
| | - Yue Zhou
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, College of Integrated Traditional Chinese Medicine and Western Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, 410208, China
| | - Rui Fang
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, College of Integrated Traditional Chinese Medicine and Western Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, 410208, China
| | - Wenli Zhang
- School of Pharmacy, Hunan University of Chinese Medicine, Changsha, Hunan, 410208, China
| | - Zhigang Mei
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, College of Integrated Traditional Chinese Medicine and Western Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, 410208, China
- Third-Grade Pharmacological Laboratory on Chinese Medicine Approved by State Administration of Traditional Chinese Medicine, Medical College of China Three Gorges University, Yichang, Hubei, 443002, China
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Rietdijk J, Aggarwal T, Georgieva P, Lapins M, Carreras-Puigvert J, Spjuth O. Morphological profiling of environmental chemicals enables efficient and untargeted exploration of combination effects. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 832:155058. [PMID: 35390365 DOI: 10.1016/j.scitotenv.2022.155058] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 04/01/2022] [Accepted: 04/01/2022] [Indexed: 06/14/2023]
Abstract
Environmental chemicals are commonly studied one at a time, and there is a need to advance our understanding of the effect of exposure to their combinations. Here we apply high-content microscopy imaging of cells stained with multiplexed dyes (Cell Painting) to profile the effects of Cetyltrimethylammonium bromide (CTAB), Bisphenol A (BPA), and Dibutyltin dilaurate (DBTDL) exposure on four human cell lines; both individually and in all combinations. We show that morphological features can be used with multivariate data analysis to discern between exposures from individual compounds, concentrations, and combinations. CTAB and DBTDL induced concentration-dependent morphological changes across the four cell lines, and BPA exacerbated morphological effects when combined with CTAB and DBTDL. Combined exposure to CTAB and BPA induced changes in the ER, Golgi apparatus, nucleoli and cytoplasmic RNA in one of the cell lines. Different responses between cell lines indicate that multiple cell types are needed when assessing combination effects. The rapid and relatively low-cost experiments combined with high information content make Cell Painting an attractive methodology for future studies of combination effects. All data in the study is made publicly available on Figshare.
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Affiliation(s)
- Jonne Rietdijk
- Department of Pharmaceutical Biosciences and Science for Life Laboratory, Uppsala University, Sweden
| | - Tanya Aggarwal
- Department of Pharmaceutical Biosciences and Science for Life Laboratory, Uppsala University, Sweden
| | - Polina Georgieva
- Department of Pharmaceutical Biosciences and Science for Life Laboratory, Uppsala University, Sweden
| | - Maris Lapins
- Department of Pharmaceutical Biosciences and Science for Life Laboratory, Uppsala University, Sweden
| | - Jordi Carreras-Puigvert
- Department of Pharmaceutical Biosciences and Science for Life Laboratory, Uppsala University, Sweden.
| | - Ola Spjuth
- Department of Pharmaceutical Biosciences and Science for Life Laboratory, Uppsala University, Sweden.
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Lee WR, Chou WL, Lin ZC, Sung CT, Lin CY, Fang JY. Laser-assisted nanocarrier delivery to achieve cutaneous siRNA targeting for attenuating psoriasiform dermatitis. J Control Release 2022; 347:590-606. [PMID: 35623494 DOI: 10.1016/j.jconrel.2022.05.032] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 05/15/2022] [Accepted: 05/19/2022] [Indexed: 12/12/2022]
Abstract
Psoriasis is an autoimmune skin disorder presenting the excessive expression of interleukin (IL)-6. The topical use of small interfering RNA (siRNA) has been increasingly discovered for treating skin diseases. A delivery system capable of protecting siRNA while facilitating both skin targeting and cellular entrance is critical for the successful medication of topically-applied siRNA. Herein, we developed a delivery system for siRNA based on poly(lactic-co-glycolic acid) (PLGA) nanoparticles and combined this system with an ablative laser to promote skin absorption for topical psoriasis therapy. The siRNA absorption enhancement was compared by two laser modalities: a fractional CO2 laser and a fully-ablative Er:YAG laser. We characterized the effect of the delivery system by the cellular uptake, IL-6 silencing, in vitro skin absorption, cutaneous biodistribution, and in vivo psoriasiform dermatitis in mice. The nanocarriers showed minimal cytotoxicity and facile cellular uptake to knock down the IL-6 expression. The nanoformulation containing a cationic surfactant (Forestall) for ion pairing with siRNA achieved a 66% and 77% IL-6 knockdown efficiency toward keratinocytes and macrophages, respectively. In the Franz cell absorption, the lasers increased the naked siRNA penetration to the receptor compartment by 3.7-5.0-fold but remarkably reduced skin deposition using imiquimod (IMQ)-treated psoriasiform skin as the barrier. The fractional laser facilitated nanoparticle-associated siRNA skin deposition up to 3.3-fold, whereas the transport of the nanocarriers to the receptor was negligible. Qualitatively, the lasers increased nanoparticle delivery in the epidermis with limited effect to elevate the penetration depth. The fractional-mediated nanocarrier delivery dramatically attenuated the erythema and scaly lesions of psoriasiform dermatitis. The histological examination displayed a reduction of epidermal hyperplasia and macrophage infiltration by the combination of laser and nanosystem. The passive and laser-assisted naked siRNA delivery was less effective in mitigating dermatitis. The topical delivery of fractional laser-assisted nanoparticles on mice resulted in a 56% IL-6 knockdown. Our results manifested the benefit of cutaneous siRNA targeting using ablative lasers to deliver nanocarriers for treating psoriatic inflammation.
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Affiliation(s)
- Woan-Ruoh Lee
- Graduate Institute of Medical Sciences, Taipei Medical University, Taipei, Taiwan; Department of Dermatology, Taipei Medical University Shuang Ho Hospital, New Taipei City, Taiwan
| | - Wei-Ling Chou
- Department of Traditional Chinese Medicine, Chang Gung Memorial Hospital, Keelung, Taiwan
| | - Zih-Chan Lin
- Pharmaceutics Laboratory, Graduate Institute of Natural Products, Chang Gung University, Kweishan, Taoyuan, Taiwan
| | - Calvin T Sung
- Department of Dermatology, University of California, Irvine, USA
| | - Chien-Yu Lin
- Pharmaceutics Laboratory, Graduate Institute of Natural Products, Chang Gung University, Kweishan, Taoyuan, Taiwan
| | - Jia-You Fang
- Pharmaceutics Laboratory, Graduate Institute of Natural Products, Chang Gung University, Kweishan, Taoyuan, Taiwan; Research Center for Food and Cosmetic Safety and Research Center for Chinese Herbal Medicine, Chang Gung University of Science and Technology, Kweishan, Taoyuan, Taiwan; Department of Anesthesiology, Chang Gung Memorial Hospital, Kweishan, Taoyuan, Taiwan.
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5
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Arora J, Ranjan A, Chauhan A, Biswas R, Rajput VD, Sushkova S, Mandzhieva S, Minkina T, Jindal T. Surfactant Pollution, an Emerging Threat to Ecosystem: Approaches for Effective Bacterial Degradation. J Appl Microbiol 2022; 133:1229-1244. [PMID: 35598183 DOI: 10.1111/jam.15631] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 03/30/2022] [Accepted: 05/13/2022] [Indexed: 12/08/2022]
Abstract
The use of surfactants in households and industries is inevitable and so is their discharge into the environment, especially into the water bodies as effluents. Being surface-active agents, their utilization is mostly seen in soaps, detergents, personal care products, emulsifiers, wetting agents, etc. Anionic surfactants are the most used class. These surfactants are responsible for the foam and froth in the water bodies and cause potential adverse effects to both biotic and abiotic components of the ecosystem. Surfactants are capable of penetrating the cell membrane and thus cause toxicity to living organisms. Accumulation of these compounds has been known to cause significant gill damage and loss of sight in fish. Alteration of physiological and biochemical parameters of water decreases the amount of dissolved oxygen and thus affecting the entire ecosystem. Microbes utilizing surfactants as substrates for energy form the basis of the biodegradation of these compounds. The main organisms for surfactant biodegradation, both in sewage and natural waters, are bacteria. Several Pseudomonas and Bacillus spp. have shown efficient degradation of anionic surfactants namely: sodium dodecyl sulphate (SDS), linear alkylbenzene sulphonate (LAS), sodium dodecylbenzenesulphonate (SDBS). Also, several microbial consortia constituting Alcaligenes spp., Citrobacter spp., etc. have shown efficacy in the degradation of surfactants. The biodegradation efficiency studies of these microbes/microbial consortia would be of immense help in formulating better solutions for the bioremediation of surfactants and help to reduce their potential environmental hazards.
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Affiliation(s)
- Jayati Arora
- Amity Institute of Environmental Science, Amity University, Noida, Uttar Pradesh, India
| | - Anuj Ranjan
- Academy of Biology and Biotechnology, Southern Federal University, Rostov-on-Don, Russia
| | - Abhishek Chauhan
- Amity Institute of Environmental Toxicology, Safety and Management, Amity University, Noida, Uttar Pradesh, India
| | - Rima Biswas
- CSIR-National Environmental Engineering Research Institute, Nagpur, Maharashtra, India
| | - Vishnu D Rajput
- Academy of Biology and Biotechnology, Southern Federal University, Rostov-on-Don, Russia
| | - Svetlana Sushkova
- Academy of Biology and Biotechnology, Southern Federal University, Rostov-on-Don, Russia
| | - Saglara Mandzhieva
- Academy of Biology and Biotechnology, Southern Federal University, Rostov-on-Don, Russia
| | - Tatiana Minkina
- Academy of Biology and Biotechnology, Southern Federal University, Rostov-on-Don, Russia
| | - Tanu Jindal
- Amity Institute of Environmental Toxicology, Safety and Management, Amity University, Noida, Uttar Pradesh, India
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6
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Luo S, Lv M, Tian Y, Jiang L, Li L, Shi K. Three-dimensional mesoporous ultra-thin monometallic cobalt layered double hydroxides nanomaterials as efficient NO2 gas sensor at room temperature. CrystEngComm 2022. [DOI: 10.1039/d2ce00471b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Monometallic cobalt layered double hydroxides (Co-LDHs) were synthesized using a simple hydrothermal method. 2-methylimidazole (MIm) was selected as a functional agent. The functionalization and optimization has access to the CCM...
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7
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Vishnevskiy DA, Garanina AS, Chernysheva AA, Chekhonin VP, Naumenko VA. Neutrophil and Nanoparticles Delivery to Tumor: Is It Going to Carry That Weight? Adv Healthc Mater 2021; 10:e2002071. [PMID: 33734620 DOI: 10.1002/adhm.202002071] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 02/02/2021] [Indexed: 12/15/2022]
Abstract
The application of cell carriers for transporting nanodrugs to the tumor draws much attention as the alternative to the passive drug delivery. In this concept, the neutrophil (NΦ) is of special interest as this cell is able to uptake nanoparticles (NPs) and cross the vascular barrier in response to tumor signaling. There is a growing body of literature describing NP-NΦ interactions in vitro and in vivo that demonstrates the opportunity of using these cells to improve the efficacy of cancer therapy. However, a number of conceptual and technical issues need to be resolved for translating the technology into clinics. The current review summarizes the recent advances and challenges associated with NP-NΦ interactions, with the special focus on the complex interplay between the NP internalization pathways and the modulation of NΦ activity, and its potential consequences for nanodrug delivery.
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Affiliation(s)
- Daniil A. Vishnevskiy
- V. Serbsky National Medical Research Center for Psychiatry and Narcology Kropotkinskiy Pereulok, 23 Moscow 119034 Russia
- N. I Pirogov Russian National Research Medical University Ulitsa Ostrovityanova, 1 Moscow 117997 Russia
| | - Anastasiia S. Garanina
- National University of Science and Technology (MISIS) Leninskiy Prospekt, 4 Moscow 119049 Russia
| | - Anastasia A. Chernysheva
- V. Serbsky National Medical Research Center for Psychiatry and Narcology Kropotkinskiy Pereulok, 23 Moscow 119034 Russia
| | - Vladimir P. Chekhonin
- V. Serbsky National Medical Research Center for Psychiatry and Narcology Kropotkinskiy Pereulok, 23 Moscow 119034 Russia
- N. I Pirogov Russian National Research Medical University Ulitsa Ostrovityanova, 1 Moscow 117997 Russia
| | - Victor A. Naumenko
- V. Serbsky National Medical Research Center for Psychiatry and Narcology Kropotkinskiy Pereulok, 23 Moscow 119034 Russia
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8
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Zyuzin MV, Zhu D, Parak WJ, Feliu N, Escudero A. Development of Silica-Based Biodegradable Submicrometric Carriers and Investigating Their Characteristics as in Vitro Delivery Vehicles. Int J Mol Sci 2020; 21:E7563. [PMID: 33066289 PMCID: PMC7590072 DOI: 10.3390/ijms21207563] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 09/24/2020] [Accepted: 10/03/2020] [Indexed: 12/11/2022] Open
Abstract
Nanostructured silica (SiO2)-based materials are attractive carriers for the delivery of bioactive compounds into cells. In this study, we developed hollow submicrometric particles composed of SiO2 capsules that were separately loaded with various bioactive molecules such as dextran, proteins, and nucleic acids. The structural characterization of the reported carriers was conducted using transmission and scanning electron microscopies (TEM/SEM), confocal laser scanning microscopy (CLSM), and dynamic light scattering (DLS). Moreover, the interaction of the developed carriers with cell lines was studied using standard viability, proliferation, and uptake assays. The submicrometric SiO2-based capsules loaded with DNA plasmid encoding green fluorescence proteins (GFP) were used to transfect cell lines. The obtained results were compared with studies made with similar capsules composed of polymers and show that SiO2-based capsules provide better transfection rates on the costs of higher toxicity.
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Affiliation(s)
- Mikhail V. Zyuzin
- Department of Physics and Engineering, ITMO University, Lomonosova 9, St. Petersburg 191002, Russia;
| | - Dingcheng Zhu
- Center for Hybrid Nanostructures (CHyN), Universität Hamburg, 22607 Hamburg, Germany; (D.Z.); (W.J.P.)
| | - Wolfgang J. Parak
- Center for Hybrid Nanostructures (CHyN), Universität Hamburg, 22607 Hamburg, Germany; (D.Z.); (W.J.P.)
| | - Neus Feliu
- Center for Hybrid Nanostructures (CHyN), Universität Hamburg, 22607 Hamburg, Germany; (D.Z.); (W.J.P.)
- Fraunhofer Center for Applied Nanotechnology (CAN), 20146 Hamburg, Germany
| | - Alberto Escudero
- Departamento de Química Inorgánica. Facultad de Química, Universidad de Sevilla, Calle Profesor García González 1, E–41012 Seville, Spain
- Instituto de Investigaciones Químicas (IIQ), Universidad de Sevilla–CSIC, Calle Américo Vespucio 49, E–41092 Seville, Spain
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Prieto-Montero R, Katsumiti A, Cajaraville MP, López-Arbeloa I, Martínez-Martínez V. Functionalized Fluorescent Silica Nanoparticles for Bioimaging of Cancer Cells. SENSORS (BASEL, SWITZERLAND) 2020; 20:E5590. [PMID: 33003513 PMCID: PMC7582890 DOI: 10.3390/s20195590] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 09/16/2020] [Accepted: 09/26/2020] [Indexed: 12/12/2022]
Abstract
Functionalized fluorescent silica nanoparticles were designed and synthesized to selectively target cancer cells for bioimaging analysis. The synthesis method and characterization of functionalized fluorescent silica nanoparticles (50-60 nm), as well as internalization and subcellular localization in HeLa cells is reported here. The dye, rhodamine 101 (R101) was physically embedded during the sol-gel synthesis. The dye loading was optimized by varying the synthesis conditions (temperature and dye concentration added to the gel) and by the use of different organotriethoxysilanes as a second silica precursor. Additionally, R101, was also covalently bound to the functionalized external surface of the silica nanoparticles. The quantum yields of the dye-doped silica nanoparticles range from 0.25 to 0.50 and demonstrated an enhanced brightness of 230-260 fold respect to the free dye in solution. The shell of the nanoparticles was further decorated with PEG of 2000 Da and folic acid (FA) to ensure good stability in water and to enhance selectivity to cancer cells, respectively. In vitro assays with HeLa cells showed that fluorescent nanoparticles were internalized by cells accumulating exclusively into lysosomes. Quantitative analysis showed a significantly higher accumulation of FA functionalized fluorescent silica nanoparticles compared to nanoparticles without FA, proving that the former may represent good candidates for targeting cancer cells.
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Affiliation(s)
- Ruth Prieto-Montero
- Departamento de Química Física, Universidad del País Vasco/Euskal Herriko Unibertsitatea (UPV/EHU), 48080 Bilbao, Spain; (R.P.-M.); (I.L.-A.)
| | - Alberto Katsumiti
- Departamento de Zoología y Biología Celular Animal, Universidad del País Vasco/Euskal Herriko Unibertsitatea (UPV/EHU), 48080 Bilbao, Spain; (A.K.); (M.P.C.)
| | - Miren Pilare Cajaraville
- Departamento de Zoología y Biología Celular Animal, Universidad del País Vasco/Euskal Herriko Unibertsitatea (UPV/EHU), 48080 Bilbao, Spain; (A.K.); (M.P.C.)
| | - Iñigo López-Arbeloa
- Departamento de Química Física, Universidad del País Vasco/Euskal Herriko Unibertsitatea (UPV/EHU), 48080 Bilbao, Spain; (R.P.-M.); (I.L.-A.)
| | - Virginia Martínez-Martínez
- Departamento de Química Física, Universidad del País Vasco/Euskal Herriko Unibertsitatea (UPV/EHU), 48080 Bilbao, Spain; (R.P.-M.); (I.L.-A.)
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10
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Nanomaterial Exposure Induced Neutrophil Extracellular Traps: A New Target in Inflammation and Innate Immunity. J Immunol Res 2019; 2019:3560180. [PMID: 30944832 PMCID: PMC6421747 DOI: 10.1155/2019/3560180] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2018] [Revised: 01/04/2019] [Accepted: 01/21/2019] [Indexed: 02/05/2023] Open
Abstract
Nanotechnology has become a novel subject with impact in many research and technology areas. Nanoparticles (NPs), as a key component in nanotechnology, are widely used in many areas such as optical, magnetic, electrical, and mechanical engineering. The biomedical and pharmaceutical industries have embraced NPs as a viable drug delivery modality. As such, the potential for NP-induced cytotoxicity has emerged as a major concern for NP drug delivery systems. Thus, it is important to understand how NPs affect the innate immune system. As the most abundant myeloid cell type in innate immune responses, neutrophils are critical for concerns about potentially toxic side effects of NPs. When activated by innate immune stimuli, neutrophils may initiate NETosis to release neutrophil extracellular traps (NETs). Herein, we have reviewed the relationship between NPs and the induction of NETosis and release of NETs.
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11
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Didodecyldimethylammonium bromide (DMAB) stabilized poly(lactic- co -glycolic acid) (PLGA) nanoparticles: Uptake and cytotoxic potential in Caco-2 cells. J Drug Deliv Sci Technol 2018. [DOI: 10.1016/j.jddst.2017.11.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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12
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Liu L, Yang J, Men K, He Z, Luo M, Qian Z, Wei X, Wei Y. Current Status of Nonviral Vectors for Gene Therapy in China. Hum Gene Ther 2018; 29:110-120. [PMID: 29320893 DOI: 10.1089/hum.2017.226] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Affiliation(s)
- Li Liu
- Laboratory for Aging Research and Nanotoxicology, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu, P.R. China
| | - Jingyun Yang
- Laboratory for Aging Research and Nanotoxicology, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu, P.R. China
| | - Ke Men
- Laboratory for Aging Research and Nanotoxicology, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu, P.R. China
| | - Zhiyao He
- Laboratory for Aging Research and Nanotoxicology, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu, P.R. China
| | - Min Luo
- Laboratory for Aging Research and Nanotoxicology, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu, P.R. China
| | - Zhiyong Qian
- Laboratory for Aging Research and Nanotoxicology, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu, P.R. China
| | - Xiawei Wei
- Laboratory for Aging Research and Nanotoxicology, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu, P.R. China
| | - Yuquan Wei
- Laboratory for Aging Research and Nanotoxicology, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu, P.R. China
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13
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Hsu CY, Yang SC, Sung CT, Weng YH, Fang JY. Anti-MRSA malleable liposomes carrying chloramphenicol for ameliorating hair follicle targeting. Int J Nanomedicine 2017; 12:8227-8238. [PMID: 29184410 PMCID: PMC5689027 DOI: 10.2147/ijn.s147226] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Pathogens usually invade hair follicles when skin infection occurs. The accumulated bacteria in follicles are difficult to eradicate. The present study aimed to assess the cutaneous and follicular delivery of chloramphenicol (Cm)-loaded liposomes and the antibacterial activity of these liposomes against methicillin-resistant Staphylococcus aureus (MRSA). Skin permeation was conducted by in vitro Franz diffusion cell. The anti-MRSA potential was checked using minimum inhibitory concentration (MIC), minimum bactericidal concentration (MBC), a well diffusion test, and intracellular MRSA killing. The classic, dimyristoylphosphatidylcholine (DMPC), and deoxycholic acid (DA) liposomes had a vesicle size of 98, 132, and 239 nm, respectively. The incorporation of DMPC or DA into the liposomes increased the bilayer fluidity. The malleable vesicles containing DMPC and DA showed increased follicular Cm uptake over the control solution by 1.5- and 2-fold, respectively. The MIC and MBC of DA liposomes loaded with Cm were 62.5 and 62.5–125 μg/mL, comparable to free Cm. An inhibition zone about 2-fold higher was achieved by DA liposomes as compared to the free control at a Cm dose of 0.5 mg/mL. DA liposomes also augmented antibacterial activity on keratinocyte-infected MRSA. The deformable liposomes had good biocompatibility against keratinocytes and neutrophils (viability >80%). In vivo administration demonstrated that DA liposomes caused negligible toxicity on the skin, based on physiological examination and histology. These data suggest the potential application of malleable liposomes for follicular targeting and the treatment of MRSA-infected dermatologic conditions.
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Affiliation(s)
- Ching-Yun Hsu
- Department of Nutrition and Health Sciences.,Research Center for Food and Cosmetic Safety and Research Center for Chinese Herbal Medicine, Chang Gung University of Science and Technology, Kweishan
| | - Shih-Chun Yang
- Department of Cosmetic Science, Providence University, Taichung.,Pharmaceutics Laboratory, Graduate Institute of Natural Products, Chang Gung University, Kweishan, Taiwan
| | - Calvin T Sung
- School of Medicine, University of California, Riverside, CA, USA
| | - Yi-Han Weng
- Pharmaceutics Laboratory, Graduate Institute of Natural Products, Chang Gung University, Kweishan, Taiwan
| | - Jia-You Fang
- Research Center for Food and Cosmetic Safety and Research Center for Chinese Herbal Medicine, Chang Gung University of Science and Technology, Kweishan.,Pharmaceutics Laboratory, Graduate Institute of Natural Products, Chang Gung University, Kweishan, Taiwan.,Chinese Herbal Medicine Research Team, Healthy Aging Research Center, Chang Gung University.,Department of Anesthesiology, Chang Gung Memorial Hospital, Kweishan, Taiwan
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14
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Vinuesa T, Herráez R, Oliver L, Elizondo E, Acarregui A, Esquisabel A, Pedraz JL, Ventosa N, Veciana J, Viñas M. Benznidazole Nanoformulates: A Chance to Improve Therapeutics for Chagas Disease. Am J Trop Med Hyg 2017; 97:1469-1476. [PMID: 29016287 DOI: 10.4269/ajtmh.17-0044] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
This article describes the characterization of various encapsulated formulations of benznidazole, the current first-line drug for the treatment of Chagas disease. Given the adverse effects of benznidazole, safer formulations of this drug have a great interest. In fact, treatment of Chagas disease with benznidazole has to be discontinued in as much as 20% of cases due to side effects. Furthermore, modification of delivery and formulations could have potential effects on the emergence of drug resistance. The trypanocidal activity of new nanostructured formulations of benznidazole to eliminate Trypanosoma cruzi was studied in vitro as well as their toxicity in two cultured mammalian cell lines (HepG2 and Fibroblasts). Nanoparticles tested included nanostructured lipid carriers, solid lipid nanoparticles, liposomes, quatsomes, and cyclodextrins. The in vitro cytotoxicity of cyclodextrins-benznidazole complexes was significantly lower than that of free benznidazole, whereas their trypanocidal activity was not hampered. These results suggest that nanostructured particles may offer improved therapeutics for Chagas disease.
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Affiliation(s)
- Teresa Vinuesa
- Department of Pathology and Experimental Therapeutics, Medical School, University of Barcelona, Barcelona, Spain
| | - Rocio Herráez
- Department of Pathology and Experimental Therapeutics, Medical School, University of Barcelona, Barcelona, Spain
| | - Laura Oliver
- Department of Pathology and Experimental Therapeutics, Medical School, University of Barcelona, Barcelona, Spain
| | - Elisa Elizondo
- Ciber-BBN (Nanomol), Department of Molecular Nanoscience and Organic Materials, Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), Cerdanyola del Vallès, Spain
| | - Argia Acarregui
- Ciber-BBN (NanoBioCel), Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), Vitoria, Spain
| | - Amaia Esquisabel
- Ciber-BBN (NanoBioCel), Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), Vitoria, Spain
| | - Jose Luis Pedraz
- Ciber-BBN (NanoBioCel), Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), Vitoria, Spain
| | - Nora Ventosa
- Ciber-BBN (Nanomol), Department of Molecular Nanoscience and Organic Materials, Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), Cerdanyola del Vallès, Spain
| | - Jaume Veciana
- Ciber-BBN (Nanomol), Department of Molecular Nanoscience and Organic Materials, Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), Cerdanyola del Vallès, Spain
| | - Miguel Viñas
- Department of Pathology and Experimental Therapeutics, Medical School, University of Barcelona, Barcelona, Spain
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15
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Yang SC, Lin CH, Aljuffali IA, Fang JY. Current pathogenic Escherichia coli foodborne outbreak cases and therapy development. Arch Microbiol 2017; 199:811-825. [DOI: 10.1007/s00203-017-1393-y] [Citation(s) in RCA: 125] [Impact Index Per Article: 17.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2016] [Revised: 05/15/2017] [Accepted: 05/30/2017] [Indexed: 11/30/2022]
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16
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Lin MH, Hung CF, Aljuffali IA, Sung CT, Huang CT, Fang JY. Cationic amphiphile in phospholipid bilayer or oil-water interface of nanocarriers affects planktonic and biofilm bacteria killing. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2016; 13:353-361. [PMID: 27558353 DOI: 10.1016/j.nano.2016.08.011] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2016] [Revised: 08/01/2016] [Accepted: 08/06/2016] [Indexed: 10/21/2022]
Abstract
A cationic amphiphile, soyaethyl morpholinium ethosulfate (SME), immobilized in liposomes or nanoemulsions, was prepared in an attempt to compare the antibacterial activity between SME intercalated in the phospholipid bilayer and oil-water interface. Before antibacterial assessment, the size of the liposomes and nanoemulsions was respectively recorded as 75 and 214 nm. The data of minimum inhibitory concentration (MIC)/minimum bactericidal concentration (MBC) and live/dead cell count demonstrated a superior antimicrobial activity of nanoemulsions compared to liposomes against Staphylococcus aureus, methicillin-resistant S. aureus (MRSA), and Staphylococcus epidermidis. Nanoemulsion incubation reduced biofilm thickness by 2.4-fold, whereas liposomes showed a 1.6-fold decrease in thickness. SME insertion in the oil-water phase was found to induce bacterial membrane disruption. SME nanosystems were nontoxic to keratinocytes. In vivo topical application of the cationic nanosystems reduced skin infection, MRSA load, and inflammation in mice. The deteriorated skin barrier function evoked by MRSA was recovered by nanoemulsion treatment.
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Affiliation(s)
- Ming-Hsien Lin
- Department of Dermatology, Chi Mei Medical Center, Tainan, Taiwan
| | - Chi-Feng Hung
- School of Medicine, Fu Jen Catholic University, New Taipei City, Taiwan
| | - Ibrahim A Aljuffali
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Calvin T Sung
- School of Medicine, University of California, Riverside, CA, USA
| | - Chi-Ting Huang
- Pharmaceutics Laboratory, Graduate Institute of Natural Products, Chang Gung University, Taoyuan, Taiwan
| | - Jia-You Fang
- Pharmaceutics Laboratory, Graduate Institute of Natural Products, Chang Gung University, Taoyuan, Taiwan; Chinese Herbal Medicine Research Team, Healthy Aging Research Center, Chang Gung University, Taoyuan, Taiwan; Department of Anesthesiology, Chang Gung Memorial Hospital, Taoyuan, Taiwan; Research Center for Industry of Human Ecology, Chang Gung University of Science and Technology, Taoyuan, Taiwan.
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17
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Li R, Fu N, Wu Z, Wang Y, Liu W, Wang Y. Enhancing protein self-association at the gas–liquid interface for foam fractionation of bovine serum albumin from its highly diluted solution. Chem Eng Res Des 2016. [DOI: 10.1016/j.cherd.2016.03.018] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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18
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Yildirim A, Turkaydin M, Garipcan B, Bayindir M. Cytotoxicity of multifunctional surfactant containing capped mesoporous silica nanoparticles. RSC Adv 2016. [DOI: 10.1039/c5ra21722a] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
This paper reports the synthesis of silica capped surfactant (CTAB) and dye (Rose Bengal; RB) containing mesoporous silica nanoparticles (MSNs).
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Affiliation(s)
- Adem Yildirim
- UNAM-National Nanotechnology Research Center
- Bilkent University
- 06800 Ankara
- Turkey
- Institute of Materials Science and Nanotechnology
| | - Muge Turkaydin
- Institute of Biomedical Engineering
- Bogazici University
- 34684 İstanbul
- Turkey
| | - Bora Garipcan
- Institute of Biomedical Engineering
- Bogazici University
- 34684 İstanbul
- Turkey
| | - Mehmet Bayindir
- UNAM-National Nanotechnology Research Center
- Bilkent University
- 06800 Ankara
- Turkey
- Institute of Materials Science and Nanotechnology
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19
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Li N, Hao X, Kang BH, Li NB, Luo HQ. Sensitive and selective turn-on fluorescence method for cetyltrimethylammonium bromide determination based on acridine orange-polystyrene sulfonate complex. LUMINESCENCE 2015; 31:1025-30. [DOI: 10.1002/bio.3069] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2015] [Revised: 11/02/2015] [Accepted: 11/05/2015] [Indexed: 01/18/2023]
Affiliation(s)
- Na Li
- Key Laboratory of Eco-environments in Three Gorges Reservoir Region (Ministry of Education), School of Chemistry and Chemical Engineering; Southwest University; Chongqing People's Republic of China
| | - Xia Hao
- Key Laboratory of Eco-environments in Three Gorges Reservoir Region (Ministry of Education), School of Chemistry and Chemical Engineering; Southwest University; Chongqing People's Republic of China
| | - Bei Hua Kang
- Key Laboratory of Eco-environments in Three Gorges Reservoir Region (Ministry of Education), School of Chemistry and Chemical Engineering; Southwest University; Chongqing People's Republic of China
| | - Nian Bing Li
- Key Laboratory of Eco-environments in Three Gorges Reservoir Region (Ministry of Education), School of Chemistry and Chemical Engineering; Southwest University; Chongqing People's Republic of China
| | - Hong Qun Luo
- Key Laboratory of Eco-environments in Three Gorges Reservoir Region (Ministry of Education), School of Chemistry and Chemical Engineering; Southwest University; Chongqing People's Republic of China
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20
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Hwang TL, Aljuffali IA, Hung CF, Chen CH, Fang JY. The impact of cationic solid lipid nanoparticles on human neutrophil activation and formation of neutrophil extracellular traps (NETs). Chem Biol Interact 2015; 235:106-14. [PMID: 25920576 DOI: 10.1016/j.cbi.2015.04.011] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2015] [Revised: 03/30/2015] [Accepted: 04/09/2015] [Indexed: 12/13/2022]
Abstract
Cationic solid lipid nanoparticles (cSLNs) are extensively employed as the nanocarriers for drug/gene targeting to tumors and the brain. Investigation into the possible immune response of cSLNs is still lacking. The aim of this study was to evaluate the impact of cSLNs upon the activation of human polymorphonuclear neutrophil cells (PMNs). The cytotoxicity, pro-inflammatory mediators, Ca(2+) mobilization, mitogen-activated protein kinases (MAPKs), and neutrophil extracellular traps (NETs) as the indicators of PMN stimulation were examined in this work. The cSLNs presented a diameter of 195 nm with a zeta potential of 44 mV. The cSLNs could interact with the cell membrane to produce a direct membrane lysis and the subsequent cytotoxicity according to lactate dehydrogenase (LDH) elevation. The interaction of cSLNs with the membrane also triggered a Ca(2+) influx, followed by the induction of oxidative stress and degranulation. The cationic nanoparticles elevated the levels of superoxide anion and elastase by 24- and 9-fold, respectively. The PMN activation by cSLNs promoted the phosphorylation of p38 and Jun-N-terminal kinases (JNK) but not extracellular signal-regulated kinases (ERK). The imaging of scanning electron microscopy (SEM) and immunofluorescence demonstrated the production of NETs by cSLNs. This phenomenon was not significant for the neutral SLNs (nSLNs), although histones in NETs also increased after treatment of nSLNs. Our results suggest an important role of cSLNs in governing the activation of human neutrophils.
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Affiliation(s)
- Tsong-Long Hwang
- Cell Pharmacology Laboratory, Graduate Institute of Natural Products, Chang Gung University, Kweishan, Taoyuan, Taiwan; Chinese Herbal Medicine Research Team, Healthy Aging Research Center, Chang Gung University, Kweishan, Taoyuan, Taiwan
| | - Ibrahim A Aljuffali
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Chi-Feng Hung
- School of Medicine, Fu Jen Catholic University, Hsinchuang, New Taipei City, Taiwan, Taiwan
| | - Chun-Han Chen
- Division of General Surgery, Department of Surgery, Chang Gung Memorial Hospital, Chiayi, Taiwan; Graduate Institute of Clinical Medical Sciences, College of Medicine, Chang Gung University, Kweishan, Taoyuan, Taiwan
| | - Jia-You Fang
- Pharmaceutics Laboratory, Graduate Institute of Natural Products, Chang Gung University, Kweishan, Taoyuan, Taiwan; Research Center for Industry of Human Ecology, Chang Gung University of Science and Technology, Kweishan, Taoyuan, Taiwan.
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21
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Cationic liposomes evoke proinflammatory mediator release and neutrophil extracellular traps (NETs) toward human neutrophils. Colloids Surf B Biointerfaces 2015; 128:119-126. [DOI: 10.1016/j.colsurfb.2015.02.022] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2014] [Revised: 02/09/2015] [Accepted: 02/11/2015] [Indexed: 01/10/2023]
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22
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Severino P, Szymanski M, Favaro M, Azzoni AR, Chaud MV, Santana MHA, Silva AM, Souto EB. Development and characterization of a cationic lipid nanocarrier as non-viral vector for gene therapy. Eur J Pharm Sci 2014; 66:78-82. [PMID: 25446510 DOI: 10.1016/j.ejps.2014.09.021] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2014] [Revised: 09/21/2014] [Accepted: 09/24/2014] [Indexed: 12/15/2022]
Abstract
The aim of the present work was to produce a cationic solid lipid nanoparticle (SLN) as non-viral vector for protein delivery. Cationic SLN were produced by double emulsion method, composed of softisan(®) 100, cetyltrimethylammonium bromide (CTAB), Tween(®) 80, Span(®) 80, glycerol and lipoid(®) S75 loading insulin as model protein. The formulation was characterized in terms of mean hydrodynamic diameter (z-ave), polydispersity index (PI), zeta potential (ZP), stability during storage time, stability after lyophilization, effect of toxicity and transfection ability in HeLa cells, in vitro release profile and morphology. SLN were stable for 30days and showed minimal changes in their physicochemical properties after lyophilization. The particles exhibited a relatively slow release, spherical morphology and were able to transfect HeLa cells, but toxicity remained an obstacle. Results suggest that SLN are nevertheless promising for delivery of proteins or nucleic acids for gene therapy.
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Affiliation(s)
- Patrícia Severino
- Department of Biotechnological Processes, School of Engineering Chemical, University of Campinas-Unicamp, Campinas 13083-970, SP, Brazil; Faculty of Health Sciences, Fernando Pessoa University (UFP-FCS), Rua Carlos da Maia, 296, 4200-150 Porto, Portugal
| | - Marcelo Szymanski
- Laboratory of Genetics and Molecular Analysis, Molecular Biology and Genetic Engineering Center, State University of Campinas, Campinas, SP, Brazil
| | - Marianna Favaro
- Laboratory of Genetics and Molecular Analysis, Molecular Biology and Genetic Engineering Center, State University of Campinas, Campinas, SP, Brazil
| | - Adriano R Azzoni
- Laboratory of Genetics and Molecular Analysis, Molecular Biology and Genetic Engineering Center, State University of Campinas, Campinas, SP, Brazil
| | - Marco V Chaud
- Laboratory for Development and Evaluation of Bioactive Substance, Sorocaba University, UNISO, Sorocaba, SP, Brazil
| | - Maria Helena A Santana
- Department of Biotechnological Processes, School of Engineering Chemical, University of Campinas-Unicamp, Campinas 13083-970, SP, Brazil
| | - Amélia M Silva
- Department of Biology and Environment, University of Trás-os-Montes e Alto Douro (UTAD), Quinta de Prados, 5001-801 Vila Real, Portugal; Centre for Research and Technology of Agro-Environmental and Biological Sciences (CITAB-UTAD), Quinta de Prados, 5001-801 Vila Real, Portugal
| | - Eliana B Souto
- Faculty of Health Sciences, Fernando Pessoa University (UFP-FCS), Rua Carlos da Maia, 296, 4200-150 Porto, Portugal; Faculty of Pharmacy, University of Coimbra (FFUC), Pólo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal.
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23
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Mechanisms Underlying Cytotoxicity Induced by Engineered Nanomaterials: A Review of In Vitro Studies. NANOMATERIALS 2014; 4:454-484. [PMID: 28344232 PMCID: PMC5304664 DOI: 10.3390/nano4020454] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/08/2014] [Revised: 05/28/2014] [Accepted: 06/03/2014] [Indexed: 12/28/2022]
Abstract
Engineered nanomaterials are emerging functional materials with technologically interesting properties and a wide range of promising applications, such as drug delivery devices, medical imaging and diagnostics, and various other industrial products. However, concerns have been expressed about the risks of such materials and whether they can cause adverse effects. Studies of the potential hazards of nanomaterials have been widely performed using cell models and a range of in vitro approaches. In the present review, we provide a comprehensive and critical literature overview on current in vitro toxicity test methods that have been applied to determine the mechanisms underlying the cytotoxic effects induced by the nanostructures. The small size, surface charge, hydrophobicity and high adsorption capacity of nanomaterial allow for specific interactions within cell membrane and subcellular organelles, which in turn could lead to cytotoxicity through a range of different mechanisms. Finally, aggregating the given information on the relationships of nanomaterial cytotoxic responses with an understanding of its structure and physicochemical properties may promote the design of biologically safe nanostructures.
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