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Wang Y, Song W, Xue S, Sheng Y, Gao B, Dang Y, Zhang Y, Zhang G. β-Cyclodextrin/dialdehyde glucan-coated keratin nanoparticles for oral delivery of insulin. Int J Biol Macromol 2024; 276:133805. [PMID: 38996885 DOI: 10.1016/j.ijbiomac.2024.133805] [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: 05/11/2024] [Revised: 06/27/2024] [Accepted: 07/09/2024] [Indexed: 07/14/2024]
Abstract
Successful oral insulin administration can considerably enhance the quality of life (QOL) of diabetes patients who must frequently take insulin injections. However, Oral insulin administration is seriously hampered by gastrointestinal enzymes, wide pH range, mucus and mucosal layers, which limit insulin oral bioavailability to ≤2 %. Herein, we developed a simple, inexpensive and safe dual β-cyclodextrin/dialdehyde glucan-coated keratin nanoparticle (β-CD-K-IN-DG). The resulted β-CD-K-IN-DG not only gave the ultra-high insulin loading (encapsulation efficiency (98.52 %)), but also protected insulin from acid and enzymatic degradation. This β-CD-K-IN-DG had a notable hypoglycemic effect, there was almost 80 % insulin release after 4 h of incubation under hyperglycemic conditions. Ex vivo results confirmed that β-CD-K-IN-DG possessed high mucus-penetration ability. Transepithelial transport and uptake mechanism studies revealed that bypass transport pathway and endocytosis promoted β-CD-K-IN-DG entered intestinal epithelial cells, thus increased the bioavailability of insulin (12.27 %). The improved stability of insulin during in vivo transport implied that β-CD-K-IN-DG might be a potential tool for the effective oral insulin administration.
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Affiliation(s)
- Yunyun Wang
- School of Chemistry and Chemical Engineering, Shihezi University/State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, Shihezi 832003, China
| | - Wangdi Song
- School of Chemistry and Chemical Engineering, Shihezi University/State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, Shihezi 832003, China
| | - Shengnan Xue
- School of Chemistry and Chemical Engineering, Shihezi University/State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, Shihezi 832003, China
| | - Yue Sheng
- School of Chemistry and Chemical Engineering, Shihezi University/State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, Shihezi 832003, China
| | - Bo Gao
- Key Laboratory of Agricultural Microorganisms and Drug & Fertilizer Creation, Shihezi 832003, China
| | - Yanyan Dang
- School of Chemistry and Chemical Engineering, Shihezi University/State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, Shihezi 832003, China
| | - Yan Zhang
- School of Chemistry and Chemical Engineering, Shihezi University/State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, Shihezi 832003, China.
| | - Genlin Zhang
- School of Chemistry and Chemical Engineering, Shihezi University/State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, Shihezi 832003, China.
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2
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Abd-Alhussain GK, Alatrakji MQYMA, Ahmed SJ, Fawzi HA. Efficacy of oral insulin nanoparticles for the management of hyperglycemia in a rat model of diabetes induced with streptozotocin. J Med Life 2024; 17:217-225. [PMID: 38813352 PMCID: PMC11131628 DOI: 10.25122/jml-2023-0355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Accepted: 01/15/2024] [Indexed: 05/31/2024] Open
Abstract
Insulin is the cornerstone of treatment in type 1 diabetes mellitus. However, because of its protein structure, insulin has to be administered via injection, and many attempts have been made to create oral formulations, especially using nanoparticles (NPs). The aim of this study was to compare the hypoglycemic effect of insulin-loaded NPs to that of subcutaneous insulin in an in vivo rat model of diabetes. We used biodegradable D-α-tocopherol polyethylene glycol succinate-emulsified, chitosan-capped poly(lactic-co-glycolic acid) NPs loaded with soluble human insulin in a dose of 20 IU/kg body weight, and examined the physical characteristics of NPs in vivo and in vitro. Serum glucose levels were reduced after 6 h, but the difference was not significant compared to subcutaneous insulin; at 12 h and 24 h, insulin levels were significantly higher in rats treated with NPs than in rats treated with subcutaneous insulin. There was no significant difference in serum insulin levels at 12 h and 24 h compared to non-diabetic rats. Our findings suggest that chitosan-based NPs are able to maintain good glycemic control for up to 24 h and can be considered a potential carrier for oral insulin delivery.
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Affiliation(s)
- Ghasak Kais Abd-Alhussain
- College of Pharmacy, Uruk University, Baghdad, Iraq
- College of Medicine, Baghdad University, Baghdad, Iraq
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3
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Muso-Cachumba JJ, Feng S, Belaid M, Zhang Y, de Oliveira Rangel-Yagui C, Vllasaliu D. Polymersomes for protein drug delivery across intestinal mucosa. Int J Pharm 2023; 648:123613. [PMID: 37977286 DOI: 10.1016/j.ijpharm.2023.123613] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 10/17/2023] [Accepted: 11/14/2023] [Indexed: 11/19/2023]
Abstract
The oral administration is the route preferred by patients due to its multiple advantages. In the case of biopharmaceuticals, due to their low stability and absorption in the intestine, these molecules must be administered by injectable routes. To circumvent these problems, several strategies have been studied, among which the use of nanosystems, such as polymersomes, can be highlighted. In this work the potential of poloxamer 401 polymersomes as a system for oral delivery of antibodies was evaluated. IgG-FITC-loaded poloxamer 401 polymerosomes were initially used to assess whether it improves intestinal epithelial permeation in Caco-2 cell monolayers. Subsequently, epithelial/macrophage co-culture model was used to evaluate the ability of poloxamer 401 polymersomes containing adalimumab to reduce proinflammatory cytokine levels. The data showed that polymersome-encapsulated IgG increased the transport across intestinal Caco-2 monolayers 2.7-fold compared to the antibody in solution. Also, when comparing the groups of blank polymersomes with polymersomes containing adalimumab, decreases of 1.5-, 5.5-, and 2.4-fold in TNF-α concentrations were observed for the polymersomes containing 1.5, 3.75, and 15 µg/mL of adalimumab, respectively. This could indicate a possibility for the oral administration of biopharmaceuticals which would revolutionize many conditions that require the systemic administration such as in inflammatory bowel disease.
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Affiliation(s)
- Jorge Javier Muso-Cachumba
- School of Cancer and Pharmaceutical Sciences, Faculty of Life Sciences & Medicine, King's College London, London SE1 9NH, UK; Universidade de São Paulo, Faculdade de Ciências Farmacêuticas, Departamento de Tecnologia Bioquímico-Farmacêutica, São Paulo, SP, Brazil
| | - Sa Feng
- School of Cancer and Pharmaceutical Sciences, Faculty of Life Sciences & Medicine, King's College London, London SE1 9NH, UK
| | - Mona Belaid
- School of Cancer and Pharmaceutical Sciences, Faculty of Life Sciences & Medicine, King's College London, London SE1 9NH, UK
| | - Yunyue Zhang
- School of Cancer and Pharmaceutical Sciences, Faculty of Life Sciences & Medicine, King's College London, London SE1 9NH, UK
| | - Carlota de Oliveira Rangel-Yagui
- School of Cancer and Pharmaceutical Sciences, Faculty of Life Sciences & Medicine, King's College London, London SE1 9NH, UK; Universidade de São Paulo, Faculdade de Ciências Farmacêuticas, Departamento de Tecnologia Bioquímico-Farmacêutica, São Paulo, SP, Brazil.
| | - Driton Vllasaliu
- School of Cancer and Pharmaceutical Sciences, Faculty of Life Sciences & Medicine, King's College London, London SE1 9NH, UK.
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4
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Luo W, Bai L, Zhang J, Li Z, Liu Y, Tang X, Xia P, Xu M, Shi A, Liu X, Zhang D, Yu P. Polysaccharides-based nanocarriers enhance the anti-inflammatory effect of curcumin. Carbohydr Polym 2023; 311:120718. [PMID: 37028867 DOI: 10.1016/j.carbpol.2023.120718] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Revised: 02/11/2023] [Accepted: 02/14/2023] [Indexed: 02/27/2023]
Abstract
Curcumin (CUR) has been discovered to have many biological activities, including anti-inflammatory, anti-cancer, anti-oxygenation, anti-human immunodeficiency virus, anti-microbial and exhibits a good effect on the prevention and treatment of many diseases. However, the limited properties of CUR, including the poor solubility, bioavailability and instability caused by enzymes, light, metal irons, and oxygen, have compelled researchers to turn their attention to drug carrier application to overcome these drawbacks. Encapsulation may provide potential protective effects to the embedding materials and/or have a synergistic effect with them. Therefore, nanocarriers, especially polysaccharides-based nanocarriers, have been developed in many studies to enhance the anti-inflammatory capacity of CUR. Consequently, it's critical to review current advancements in the encapsulation of CUR using polysaccharides-based nanocarriers, as well as further study the potential mechanisms of action where polysaccharides-based CUR nanoparticles (the complex nanoparticles/Nano CUR-delivery systems) exhibit their anti-inflammatory effects. This work suggests that polysaccharides-based nanocarriers will be a thriving field in the treatment of inflammation and inflammation-related diseases.
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Affiliation(s)
- Wei Luo
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China; The Second Clinical Medical College of Nanchang University, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
| | - Liangyu Bai
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China; The Second Clinical Medical College of Nanchang University, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
| | - Jing Zhang
- Department of Anesthesiology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
| | - Zhangwang Li
- The Second Clinical Medical College of Nanchang University, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
| | - Yinuo Liu
- The Second Clinical Medical College of Nanchang University, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
| | - Xiaoyi Tang
- The Second Clinical Medical College of Nanchang University, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
| | - Panpan Xia
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China; Institute for the Study of Endocrinology and Metabolism in Jiangxi Province, Nanchang 330006, China; Branch of Nationlal Clinical Research Center for Metabolic Diseases, Nanchang 330006, China
| | - Minxuan Xu
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China; Institute for the Study of Endocrinology and Metabolism in Jiangxi Province, Nanchang 330006, China; Branch of Nationlal Clinical Research Center for Metabolic Diseases, Nanchang 330006, China
| | - Ao Shi
- School of Medicine, St.George University of London, London, UK
| | - Xiao Liu
- Cardiology Department, The Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, China
| | - Deju Zhang
- Food and Nutritional Sciences, School of Biological Sciences, The University of Hong Kong, Pokfulam Road, Hong Kong.
| | - Peng Yu
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China; Institute for the Study of Endocrinology and Metabolism in Jiangxi Province, Nanchang 330006, China; Branch of Nationlal Clinical Research Center for Metabolic Diseases, Nanchang 330006, China.
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5
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Qi M, Wang X, Chen J, Liu Y, Liu Y, Jia J, Li L, Yue T, Gao L, Yan B, Zhao B, Xu M. Transformation, Absorption and Toxicological Mechanisms of Silver Nanoparticles in the Gastrointestinal Tract Following Oral Exposure. ACS NANO 2023; 17:8851-8865. [PMID: 37145866 DOI: 10.1021/acsnano.3c00024] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
Oral exposure is known as the primary way for silver nanoparticles (AgNPs), which are commonly used as food additives or antibacterial agents in commercial products, to enter the human body. Although the health risk of AgNPs has been a concern and extensively researched over the past few decades, there are still numerous knowledge gaps that need to be filled to disclose what AgNPs experience in the gastrointestinal tract (GIT) and how they cause oral toxicity. In order to gain more insight into the fate of AgNPs in the GIT, the main gastrointestinal transformation of AgNPs, including aggregation/disaggregation, oxidative dissolution, chlorination, sulfuration, and corona formation, is first described. Second, the intestinal absorption of AgNPs is presented to show how AgNPs interact with epithelial cells and cross the intestinal barrier. Then, more importantly, we make an overview of the mechanisms underlying the oral toxicity of AgNPs in light of recent advances as well as the factors affecting the nano-bio interactions in the GIT, which have rarely been thoroughly elaborated in published literature. At last, we emphatically discuss the issues that need to be addressed in the future to answer the question "How does oral exposure to AgNPs cause detrimental effects on the human body?".
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Affiliation(s)
- Mengying Qi
- School of Environment, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xudong Wang
- School of Environment, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jiahao Chen
- School of Environment, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yin Liu
- School of Environment, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yun Liu
- Anhui Province Key Laboratory of Environmental Toxicology and Pollution Control Technology, High Magnetic Field Laboratory, HFIPS, Anhui, Chinese Academy of Science, Hefei 230031, China
| | - Jianbo Jia
- Institute of Environmental Research at Greater Bay Area, Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Guangzhou University, Guangzhou 510006, China
| | - Lingxiangyu Li
- School of Environment, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Tongtao Yue
- Institute of Coastal Environmental Pollution Control, Ministry of Education Key Laboratory of Marine Environment and Ecology, Ocean University of China, Qingdao 266100, China
| | - Lirong Gao
- School of Environment, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Bing Yan
- Institute of Environmental Research at Greater Bay Area, Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Guangzhou University, Guangzhou 510006, China
| | - Bin Zhao
- School of Environment, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Ming Xu
- School of Environment, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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6
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Quinzi V, Orilisi G, Vitiello F, Notarstefano V, Marzo G, Orsini G. A spectroscopic study on orthodontic aligners: First evidence of secondary microplastic detachment after seven days of artificial saliva exposure. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 866:161356. [PMID: 36603638 DOI: 10.1016/j.scitotenv.2022.161356] [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: 10/25/2022] [Revised: 12/20/2022] [Accepted: 12/30/2022] [Indexed: 06/17/2023]
Abstract
Clear orthodontic aligners have recently seen increasing popularity. The thermoplastic materials present several advantages, even if it is known that all plastic products can be subjected to environmental and mechanical degradation, leading to the release of microplastics (MPs). Their ingestion could cause oxidative stress and inflammatory lesions. This study aims to evaluate the potential detachment of MPs by clear aligners due to mechanical friction simulated with a 7-day protocol in artificial saliva. The study was performed on orthodontic clear aligners from different manufacturers: Alleo (AL); FlexiLigner (FL); F22 Aligner (F22); Invisalign® (INV); Lineo (LIN); Arc Angel (ARC), and Ortobel Aligner (OR). For each group, two aligners were immersed in artificial saliva for 7 days and stirred for 5 h/day, simulating the physiological teeth mechanical friction. After 7 days, the artificial saliva was filtered; then, filters were analyzed by Raman Microspectroscopy (RMS) and Scanning Electron Microscopy (SEM), respectively to chemically identify the polymeric matrix and to measure the number and size of the detected MPs. RMS spectra revealed that AL, FL, LIN, ARC, and OR aligners were composed by polyethylene terephthalate, while F22 and INV ones by polyurethane. SEM analysis showed that the highest number of MPs was found in ARC and the lowest in INV (p < 0.05). As regards MPs' size, no statistically significant difference was found among groups, with most MPs ranging from 5 to 20 μm. Noteworthy, a highly significant correlation (p < 0.0001) was highlighted between the distribution of MPs size and the different typologies of aligners. This in vitro study highlighted for the first time the detachment of MPs from clear aligners due to mechanical friction. This evidence may represent a great concern in the clinical practice since it could impact human general health.
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Affiliation(s)
- Vincenzo Quinzi
- Università degli Studi dell'Aquila, Dipartimento di Medicina Clinica, Sanità Pubblica, Scienze della Vita e dell'Ambiente, Piazza Salvatore Tommasi, 67100 L'Aquila, Italy
| | - Giulia Orilisi
- Università Politecnica delle Marche, Dipartimento di Scienze Cliniche Specialistiche ed Odontostomatologiche, Via Tronto 10, 60126 Ancona, Italy
| | - Flavia Vitiello
- Università Politecnica delle Marche, Dipartimento di Scienze Cliniche Specialistiche ed Odontostomatologiche, Via Tronto 10, 60126 Ancona, Italy
| | - Valentina Notarstefano
- Università Politecnica delle Marche, Dipartimento di Scienze della Vita e dell'Ambiente, Via Brecce Bianche, 60131 Ancona, Italy
| | - Giuseppe Marzo
- Università degli Studi dell'Aquila, Dipartimento di Medicina Clinica, Sanità Pubblica, Scienze della Vita e dell'Ambiente, Piazza Salvatore Tommasi, 67100 L'Aquila, Italy
| | - Giovanna Orsini
- Università Politecnica delle Marche, Dipartimento di Scienze Cliniche Specialistiche ed Odontostomatologiche, Via Tronto 10, 60126 Ancona, Italy.
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7
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Hazime N, Belguesmia Y, Kempf I, Barras A, Drider D, Boukherroub R. Enhancing Colistin Activity against Colistin-Resistant Escherichia coli through Combination with Alginate Nanoparticles and Small Molecules. Pharmaceuticals (Basel) 2022; 15:ph15060682. [PMID: 35745601 PMCID: PMC9227550 DOI: 10.3390/ph15060682] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Revised: 05/21/2022] [Accepted: 05/23/2022] [Indexed: 01/27/2023] Open
Abstract
Bacterial resistance to antibiotics has become a major public health problem worldwide, with the yearly number of deaths exceeding 700,000. To face this well-acknowledged threat, new molecules and therapeutic methods are considered. In this context, the application of nanotechnology to fight bacterial infection represents a viable approach and has experienced tremendous developments in the last decades. Escherichia coli (E. coli) is responsible for severe diarrhea, notably in the breeding sector, and especially in pig farming. The resulting infection (named colibacillosis) occurs in young piglets and could lead to important economic losses. Here, we report the design of several new formulations based on colistin loaded on alginate nanoparticles (Alg NPs) in the absence, but also in the presence, of small molecules, such as components of essential oils, polyamines, and lactic acid. These new formulations, which are made by concomitantly binding colistin and small molecules to Alg NPs, were successfully tested against E. coli 184, a strain resistant to colistin. When colistin was associated with Alg NPs, the minimal inhibition concentration (MIC) decreased from 8 to 1 µg/mL. It is notable that when menthol or lactic acid was co-loaded with colistin on Alg NPs, the MIC of colistin drastically decreased, reaching 0.31 or 0.62 µg/mL, respectively. These novel bactericidal formulations, whose innocuity towards eukaryotic HT-29 cells was established in vitro, are presumed to permeabilize the bacterial membrane and provoke the leakage of intracellular proteins. Our findings revealed the potentiating effect of the Alg NPs on colistin, but also of the small molecules mentioned above. Such ecological and economical formulations are easy to produce and could be proposed, after confirmation by in vivo and toxicology tests, as therapeutic strategies to replace fading antibiotics.
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Affiliation(s)
- Noura Hazime
- Univ. Lille, CNRS, Centrale Lille, Univ. Polytechnique Hauts-de-France, UMR 8520, IEMN, F-59000 Lille, France; (N.H.); (A.B.)
- UMR Transfrontalière BioEcoAgro1158, Univ. Lille, INRAE, Univ. Liège, UPJV, YNCREA, Univ. Artois, Univ. Littoral Côte D’Opale, ICV-Institut Charles Viollette, 59000 Lille, France; (Y.B.); (D.D.)
| | - Yanath Belguesmia
- UMR Transfrontalière BioEcoAgro1158, Univ. Lille, INRAE, Univ. Liège, UPJV, YNCREA, Univ. Artois, Univ. Littoral Côte D’Opale, ICV-Institut Charles Viollette, 59000 Lille, France; (Y.B.); (D.D.)
| | - Isabelle Kempf
- Agence Nationale de Sécurité Sanitaire de L'Alimentation, de L'Environnement et du Travail, Laboratoire de Ploufragan-Plouzané-Niort, Unité Mycoplasmologie Bactériologie Antibiorésistance, 22440 Ploufragan, France;
| | - Alexandre Barras
- Univ. Lille, CNRS, Centrale Lille, Univ. Polytechnique Hauts-de-France, UMR 8520, IEMN, F-59000 Lille, France; (N.H.); (A.B.)
| | - Djamel Drider
- UMR Transfrontalière BioEcoAgro1158, Univ. Lille, INRAE, Univ. Liège, UPJV, YNCREA, Univ. Artois, Univ. Littoral Côte D’Opale, ICV-Institut Charles Viollette, 59000 Lille, France; (Y.B.); (D.D.)
| | - Rabah Boukherroub
- Univ. Lille, CNRS, Centrale Lille, Univ. Polytechnique Hauts-de-France, UMR 8520, IEMN, F-59000 Lille, France; (N.H.); (A.B.)
- Correspondence:
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8
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Kaneko K, Miyasaka R, Hayman R. Nano-hydroxyapatite improves intestinal absorption of acetazolamide (BCS Class IV drug)–but how? PLoS One 2022; 17:e0268067. [PMID: 35588130 PMCID: PMC9119549 DOI: 10.1371/journal.pone.0268067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Accepted: 04/22/2022] [Indexed: 12/02/2022] Open
Abstract
We earlier reported that coating poorly water-soluble drugs with nano-hydroxyapatite (nano-HAP) improves bioavailability after oral administration. In the present study, we coated BCS Class IV drug acetazolamide (AZ) with nano-HAP (AZ/HAP formulation), and investigated its bioavailability and nano-HAP’s role in promoting it. We tested AZ bioavailability after a single oral dose of the AZ/HAP formulation in rats, followed by a series of in vitro, ex vivo and in vivo testing. The binding state of AZ and nano-HAP was analyzed by gel filtration chromatography. AZ permeability was studied using a Caco-2 cell monolayer assay kit, to test for tight junction penetration, then using an Ussing chamber mounted with intestinal epithelium, both with and without Peyer’s patch tissue, to examine the role of intracellular transport. Fluorescence-labeled nano-HAP particles were administered orally in rats to investigate their localization in the intestinal tract. The area under the blood concentration time-curve in rats was about 4 times higher in the AZ/HAP formulation group than in the untreated AZ group. Gel filtration analysis showed AZ and nano-HAP were not bound. The Caco-2 study showed equivalent AZ permeability for both groups, but without significant change in transepithelial electrical resistance (TEER), indicating that tight junctions were not penetrated. In the Ussing chamber study, no significant difference in AZ permeability between the two groups was observed for epithelium containing Peyer’s patch tissue, but for epithelium without Peyer’s patch tissue, at high concentration, significantly higher permeability in the AZ/HAP formulation group was observed. Fluorescent labeling showed nano-HAP particles were present in both intestinal villi and Peyer’s patch tissue 30 min after oral administration. Our results suggest that nano-HAP’s enhancement of drug permeability from the small intestine occurs not via tight junctions, but intracellularly, via the intestinal villi. Further study to elucidate the mechanism of this permeability enhancement is required.
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Affiliation(s)
- Kenichi Kaneko
- Sangi Co., Ltd, Central Research Laboratory, Kasukabe, Saitama, Japan
- * E-mail:
| | - Ryosuke Miyasaka
- Sangi Co., Ltd, Central Research Laboratory, Kasukabe, Saitama, Japan
| | - Roslyn Hayman
- Sangi Co., Ltd, Central Research Laboratory, Kasukabe, Saitama, Japan
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9
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Gruber ES, Stadlbauer V, Pichler V, Resch-Fauster K, Todorovic A, Meisel TC, Trawoeger S, Hollóczki O, Turner SD, Wadsak W, Vethaak AD, Kenner L. To Waste or Not to Waste: Questioning Potential Health Risks of Micro- and Nanoplastics with a Focus on Their Ingestion and Potential Carcinogenicity. EXPOSURE AND HEALTH 2022; 15:33-51. [PMID: 36873245 PMCID: PMC9971145 DOI: 10.1007/s12403-022-00470-8] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 12/30/2021] [Accepted: 02/11/2022] [Indexed: 05/27/2023]
Abstract
Micro- and nanoplastics (MNPs) are recognized as emerging contaminants, especially in food, with unknown health significance. MNPs passing through the gastrointestinal tract have been brought in context with disruption of the gut microbiome. Several molecular mechanisms have been described to facilitate tissue uptake of MNPs, which then are involved in local inflammatory and immune responses. Furthermore, MNPs can act as potential transporters ("vectors") of contaminants and as chemosensitizers for toxic substances ("Trojan Horse effect"). In this review, we summarize current multidisciplinary knowledge of ingested MNPs and their potential adverse health effects. We discuss new insights into analytical and molecular modeling tools to help us better understand the local deposition and uptake of MNPs that might drive carcinogenic signaling. We present bioethical insights to basically re-consider the "culture of consumerism." Finally, we map out prominent research questions in accordance with the Sustainable Development Goals of the United Nations.
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Affiliation(s)
- Elisabeth S. Gruber
- Division of Visceral Surgery, Department of General Surgery, Medical University of Vienna, Vienna, Austria
| | - Vanessa Stadlbauer
- Department of Internal Medicine, Division of Gastroenterology and Hepatology, Medical University of Graz, Graz, Austria
- Center for Biomarker Research in Medicine (CBmed), Graz, Austria
| | - Verena Pichler
- Department of Pharmaceutical Sciences, Division of Pharmaceutical Chemistry, University of Vienna, Vienna, Austria
| | | | - Andrea Todorovic
- Materials Science and Testing of Polymers, Montanuniversitaet Leoben, Styria, Austria
| | - Thomas C. Meisel
- General and Analytical Chemistry, Montanuniversitaet Leoben, Styria, Austria
| | - Sibylle Trawoeger
- Division of Systematic Theology and its Didactics, Faculty of Catholic Theology, University of Wuerzburg, Wuerzburg, Germany
| | - Oldamur Hollóczki
- Mulliken Center for Theoretical Chemistry, University of Bonn, Bonn, Germany
| | - Suzanne D. Turner
- Department of Pathology, University of Cambridge, Cambridge, CB2 1QP UK
- Central European Institute of Technology, Masaryk University, 602 00 Brno, Czech Republic
| | - Wolfgang Wadsak
- Center for Biomarker Research in Medicine (CBmed), Graz, Austria
- Division of Nuclear Medicine, Department of Biomedical Imaging and Image-Guided Therapy, Medical University of Vienna, Vienna, Austria
| | - A. Dick Vethaak
- Department of Environment and Health, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
- Unit of Marine and Coastal Systems, Deltares, P.O. Box 177, 2600 MH Delft, Netherlands
| | - Lukas Kenner
- Center for Biomarker Research in Medicine (CBmed), Graz, Austria
- Christian Doppler Laboratory for Applied Metabolomics, Medical University of Vienna, Vienna, Austria
- Division of Experimental and Laboratory Animal Pathology, Department of Pathology Medical, University of Vienna, Vienna, Austria
- Unit of Laboratory Animal Pathology, University of Veterinary Medicine Vienna, Vienna, Austria
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10
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Delon L, Gibson R, Prestidge C, Thierry B. Mechanisms of uptake and transport of particulate formulations in the small intestine. J Control Release 2022; 343:584-599. [PMID: 35149142 DOI: 10.1016/j.jconrel.2022.02.006] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 02/03/2022] [Accepted: 02/04/2022] [Indexed: 10/19/2022]
Abstract
Micro- and nano-scale particulate formulations are widely investigated towards improving the oral bioavailability of both biologics and drugs with low solubility and/or low intestinal permeability. Particulate formulations harnessing physiological intestinal transport pathways have recently yielded remarkably high oral bioavailabilities, illustrating the need for better understanding the specific pathways underpinning particle small intestinal absorption and the relative role of intestinal cells. Mechanistic knowledge has been hampered by the well acknowledged limitations of current in vitro, in vivo and ex vivo models relevant to the human intestinal physiology and the lack of standardization in studies reporting absorption data. Here we review the relevant literature and critically discusses absorption pathways with a focus on the role of specific intestinal epithelial and immune cells. We conclude that while Microfold (M) cells are a valid target for oral vaccines, enterocytes play a greater role in the systemic bioavailability of orally administrated particulate formulations, particularly within the sub-micron size range. We also comment on less-reported mechanisms such as paracellular permeability of particles, persorption due to cell damage and uptake by migratory immune cells.
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Affiliation(s)
- Ludivine Delon
- Future Industries Institute, University of South Australia, Mawson Lakes Campus, Mawson Lakes, Adelaide, South Australia 5095, Australia; Clinical and Health Sciences, University of South Australia, Adelaide, South Australia 5000, Australia
| | - Rachel Gibson
- Australia School of Allied Health Science and Practice, University of Adelaide, South Australia 5005, Australia
| | - Clive Prestidge
- Clinical and Health Sciences, University of South Australia, Adelaide, South Australia 5000, Australia
| | - Benjamin Thierry
- Future Industries Institute, University of South Australia, Mawson Lakes Campus, Mawson Lakes, Adelaide, South Australia 5095, Australia.
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11
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de Lima LS, Mortari MR. Therapeutic nanoparticles in the brain: A review of types, physicochemical properties and challenges. Int J Pharm 2022; 612:121367. [PMID: 34896565 DOI: 10.1016/j.ijpharm.2021.121367] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 11/25/2021] [Accepted: 12/06/2021] [Indexed: 12/18/2022]
Abstract
One of the main obstacles in the treatment of neurological diseases, perhaps the biggest one, is the delivery of therapeutic compounds to the central nervous system, and nanoparticles are promising tools to overcome this challenge. Different types of nanoparticles may be used as delivery systems, including liposomes, carbon nanotubes, and dendrimers. Nevertheless, these nanoparticles must display characteristics to be useful in brain drug delivery, such as stability, permeability to blood vessels, biocompatibility, and specificity. All of these aspects are intrinsically related to the physicochemical properties of nanoformulations: size, composition, electric charge, hydrophobicity, mucoadherence, permeability to the blood-brain barrier, and many others. Furthermore, there are challenging hindrances involved in the development and application of nanoparticles - hence the importance of studying and understanding these pharmaceutical tools.
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Affiliation(s)
- Larissa Silva de Lima
- Laboratory of Neuropharmacology, Department of Physiological Sciences, Institute of Biological Sciences, Campus Universitário Darcy Ribeiro, University of Brasilia, 70910-900 Brasilia, Distrito Federal, Brazil
| | - Márcia Renata Mortari
- Laboratory of Neuropharmacology, Department of Physiological Sciences, Institute of Biological Sciences, Campus Universitário Darcy Ribeiro, University of Brasilia, 70910-900 Brasilia, Distrito Federal, Brazil.
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12
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Elz AS, Trevaskis NL, Porter CJH, Bowen JM, Prestidge CA. Smart design approaches for orally administered lipophilic prodrugs to promote lymphatic transport. J Control Release 2021; 341:676-701. [PMID: 34896450 DOI: 10.1016/j.jconrel.2021.12.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 12/03/2021] [Accepted: 12/04/2021] [Indexed: 12/22/2022]
Abstract
Challenges to effective delivery of drugs following oral administration has attracted growing interest over recent decades. Small molecule drugs (<1000 Da) are generally absorbed across the gastrointestinal tract into the portal blood and further transported to the systemic circulation via the liver. This can result in a significant reduction to the oral bioavailability of drugs that are metabolically labile and ultimately lead to ineffective exposure and treatment. Targeting drug delivery to the intestinal lymphatics is attracting increased attention as an alternative route of drug transportation providing multiple benefits. These include bypassing hepatic first-pass metabolism and selectively targeting disease reservoirs residing within the lymphatic system. The particular physicochemical requirements for drugs to be able to access the lymphatics after oral delivery include high lipophilicity (logP>5) and high long-chain triglyceride solubility (> 50 mg/g), properties required to enable drug association with the lipoprotein transport pathway. The majority of small molecule drugs, however, are not this lipophilic and therefore not substantially transported via the intestinal lymph. This has contributed to a growing body of investigation into prodrug approaches to deliver drugs to the lymphatic system by chemical manipulation. Optimised lipophilic prodrugs have the potential to increase lymphatic transport thereby improving oral pharmacokinetics via a reduction in first pass metabolism and may also target of disease-specific reservoirs within the lymphatics. This may provide advantages for current pharmacotherapy approaches for a wide array of pathological conditions, e.g. immune disease, cancer and metabolic disease, and also presents a promising approach for advanced vaccination strategies. In this review, specific emphasis is placed on medicinal chemistry strategies that have been successfully employed to design lipophilic prodrugs to deliberately enable lymphatic transport. Recent progress and opportunities in medicinal chemistry and drug delivery that enable new platforms for efficacious and safe delivery of drugs are critically evaluated.
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Affiliation(s)
- Aurelia S Elz
- Clinical and Health Sciences, University of South Australia, Adelaide, SA 5000, Australia.
| | - Natalie L Trevaskis
- Department of Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne, VIC 3052, Australia.
| | - Christopher J H Porter
- Department of Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne, VIC 3052, Australia.
| | - Joanne M Bowen
- School of Biomedicine, The University of Adelaide, Adelaide, SA 5005, Australia.
| | - Clive A Prestidge
- Clinical and Health Sciences, University of South Australia, Adelaide, SA 5000, Australia.
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13
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Zandanel C, Ponchel G, Noiray M, Vauthier C. Nanoparticles facing the gut barrier: Retention or mucosal absorption? Mechanisms and dependency to nanoparticle characteristics. Int J Pharm 2021; 609:121147. [PMID: 34600059 DOI: 10.1016/j.ijpharm.2021.121147] [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] [Received: 06/07/2021] [Revised: 07/26/2021] [Accepted: 09/25/2021] [Indexed: 11/16/2022]
Abstract
A better knowledge on influence of nanomedicine characteristics on their biological efficacy and safety is expected to accelerate their clinical translation. This work aimed understanding of the oral fate of polymer-based nanomedicines designed with different characteristics. The influence of nanoparticle characteristics (size, zeta potential, molecular architecture surface design) was explored on biological responses evaluating their retention and absorption by rat jejunum using the Ussing chamber experimental model. Thermodynamic aspects of interactions between nanoparticles and model mucins were elucidated by isothermal titration calorimetry. The retention on mucosa varied between nanoparticles from 18.5 to 97.3 % of the initial amount after a simulation considering the entire jejunum length. Different mechanisms were proposed which promoted mucosal association or oppositely precluded any interactions. Strikingly, mucosal retention was profoundly affected by the size and nature of interactions with the mucus which depended on the nature of the coating material, but not on the zeta potential. The nanoparticle absorption simulated along the whole length of the intestine was low (0.01 to almost 3% of the initial amounts). A saturable mechanism including an upper nanoparticle size limit was evidenced but, needs now to be further elucidated. This work showed that the molecular design and formulation of nanoparticles can guide mechanisms by which nanoparticles interact with the mucosa. The data could be useful to formulators to address different oral drug delivery challenges ranging from the simple increase of residence time and proximity to the absorptive epithelium and systemic delivery using the most absorbed nanoparticles.
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Affiliation(s)
- Christelle Zandanel
- Université Paris-Saclay, Institut Galien Paris-Saclay, UMR CNRS 8612, Chatenay Malabry F-92296, France
| | - Gilles Ponchel
- Université Paris-Saclay, Institut Galien Paris-Saclay, UMR CNRS 8612, Chatenay Malabry F-92296, France
| | - Magali Noiray
- Université Paris-Saclay, Institut Galien Paris-Saclay, UMR CNRS 8612, Chatenay Malabry F-92296, France
| | - Christine Vauthier
- Université Paris-Saclay, Institut Galien Paris-Saclay, UMR CNRS 8612, Chatenay Malabry F-92296, France.
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14
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Suthar N, Desai J, Thakkar HP. Investigation on Potential of Chitosan Nanoparticles for Oral Bioavailability Enhancement of Risedronate Sodium. AAPS PharmSciTech 2021; 22:236. [PMID: 34535843 DOI: 10.1208/s12249-021-02090-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Accepted: 06/29/2021] [Indexed: 11/30/2022] Open
Abstract
Risedronate sodium (RS) is used in osteoporosis for bone reabsorption. It is a BCS class III drug having poor oral bioavailability (<0.63%) due to low permeability. In the present study, RS-loaded chitosan nanoparticles were developed to increase oral bioavailability and evaluated for various parameters. The DSC study indicated compatibility of RS with excipients in their physical mixture. The nanoparticles were prepared by ionotropic gelation technique and lyophilized. The optimized batch (RS-CNs) was found to have particles of size 268.7 nm and zeta potential of 24.9 mV. The TEM image of RS-CNs revealed discrete spherical particles. Angle of repose of 27.02 indicates good flow property of nanoparticles. FT-IR spectra of RS-CNs showed characteristic peaks of RS indicating compatibility of RS with the excipients. The mucin binding efficiency of RS-CNs was obtained as 63.42%. The in vitro release study of RS indicated controlled delivery from RS-CNs over 22 h. The release mechanism was found to be diffusion- and erosion-controlled release. Ex vivo study using rat intestine revealed faster permeation of 32.78% in 6 h from RS-CNs compared to plain drug solution. In vivo pharmacokinetic study in rats showed increased Cmax (1.8 fold) from RS-CNs compared to marketed formulation. The relative bioavailability of 193% from RS-CNs indicated significant enhancement in bioavailability upon nanoparticle formulation. The RS-CNs were found to be stable at room and refrigerated conditions. In conclusion, developed RS-loaded chitosan nanoparticles seem to be a promising approach to increase oral bioavailability and can avoid upper GI tract side effects.
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15
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Nanotheranostic agents for neurodegenerative diseases. Emerg Top Life Sci 2021; 4:645-675. [PMID: 33320185 DOI: 10.1042/etls20190141] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 11/16/2020] [Accepted: 11/19/2020] [Indexed: 02/07/2023]
Abstract
Neurodegenerative diseases (NDDs), including Alzheimer's disease (AD) and Parkinson's disease (PD), affect the ageing population worldwide and while severely impairing the quality of life of millions, they also cause a massive economic burden to countries with progressively ageing populations. Parallel with the search for biomarkers for early detection and prediction, the pursuit for therapeutic approaches has become growingly intensive in recent years. Various prospective therapeutic approaches have been explored with an emphasis on early prevention and protection, including, but not limited to, gene therapy, stem cell therapy, immunotherapy and radiotherapy. Many pharmacological interventions have proved to be promising novel avenues, but successful applications are often hampered by the poor delivery of the therapeutics across the blood-brain-barrier (BBB). To overcome this challenge, nanoparticle (NP)-mediated drug delivery has been considered as a promising option, as NP-based drug delivery systems can be functionalized to target specific cell surface receptors and to achieve controlled and long-term release of therapeutics to the target tissue. The usefulness of NPs for loading and delivering of drugs has been extensively studied in the context of NDDs, and their biological efficacy has been demonstrated in numerous preclinical animal models. Efforts have also been made towards the development of NPs which can be used for targeting the BBB and various cell types in the brain. The main focus of this review is to briefly discuss the advantages of functionalized NPs as promising theranostic agents for the diagnosis and therapy of NDDs. We also summarize the results of diverse studies that specifically investigated the usage of different NPs for the treatment of NDDs, with a specific emphasis on AD and PD, and the associated pathophysiological changes. Finally, we offer perspectives on the existing challenges of using NPs as theranostic agents and possible futuristic approaches to improve them.
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16
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Zhang Z, Lu Y, Qi J, Wu W. An update on oral drug delivery via intestinal lymphatic transport. Acta Pharm Sin B 2021; 11:2449-2468. [PMID: 34522594 PMCID: PMC8424224 DOI: 10.1016/j.apsb.2020.12.022] [Citation(s) in RCA: 78] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2020] [Revised: 11/14/2020] [Accepted: 12/07/2020] [Indexed: 12/17/2022] Open
Abstract
Orally administered drug entities have to survive the harsh gastrointestinal environment, penetrate the enteric epithelia and circumvent hepatic metabolism before reaching the systemic circulation. Whereas the gastrointestinal stability can be well maintained by taking proper measures, hepatic metabolism presents as a formidable barrier to drugs suffering from first-pass metabolism. The pharmaceutical academia and industries are seeking alternative pathways for drug transport to circumvent problems associated with the portal pathway. Intestinal lymphatic transport is emerging as a promising pathway to this end. In this review, we intend to provide an updated overview on the rationale, strategies, factors and applications involved in intestinal lymphatic transport. There are mainly two pathways for peroral lymphatic transport-the chylomicron and the microfold cell pathways. The underlying mechanisms are being unraveled gradually and nowadays witness increasing research input and applications.
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Key Words
- ACQ, aggregation-caused quenching
- ASRT, apical sodium-dependent bile acid transporter
- AUC, area under curve
- BCS, biopharmaceutics classification system
- CM, chylomicron
- Chylomicron
- DC, dendritic cell
- DDT, dichlorodiphenyltrichloroethane
- DTX, docetaxel
- Drug absorption
- Drug carriers
- Drug delivery
- FA, fatty acid
- FAE, follicle-associated epithelia
- FRET, Föster resonance energy transfer
- GIT, gastrointestinal tract
- HBsAg, hepatitis B surface antigen
- HIV, human immunodeficiency virus
- LDL, low-density lipoprotein
- LDV, Leu-Asp-Val
- LDVp, LDV peptidomimetic
- Lymphatic transport
- M cell, microfold cells
- MG, monoglyceride
- MPA, mycophenolic acid
- MPS, mononuclear phagocyte system
- Microfold cell
- Nanoparticles
- OA, oleate
- Oral
- PCL, polycaprolactone
- PEG-PLA, polyethylene glycol-poly(lactic acid)
- PEI, polyethyleneimine
- PLGA, poly(lactic-co-glycolic acid)
- PVA, poly(vinyl alcohol)
- RGD, Arg-Gly-Asp
- RGDp, RGD peptidomimetic
- SEDDS, self-emulsifying drug delivery system
- SLN, solid lipid nanoparticles
- SNEDDS, self-nanoemulsifying drug delivery system
- TEM, transmission electron microscopy
- TG, triglyceride
- TPGS, D-α-tocopherol polyethylene glycol 1000 succinate
- TU, testosterone undecanoate
- WGA, wheat germ agglutinin
- YCW, yeast cell wall
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Affiliation(s)
- Zichen Zhang
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Yi Lu
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Jianping Qi
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Wei Wu
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China
- Center for Medical Research and Innovation, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai 201399, China
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17
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Barreau F, Tisseyre C, Ménard S, Ferrand A, Carriere M. Titanium dioxide particles from the diet: involvement in the genesis of inflammatory bowel diseases and colorectal cancer. Part Fibre Toxicol 2021; 18:26. [PMID: 34330311 PMCID: PMC8323234 DOI: 10.1186/s12989-021-00421-2] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Accepted: 07/19/2021] [Indexed: 12/12/2022] Open
Abstract
The gastrointestinal tract is a complex interface between the external environment and the immune system. Its ability to control uptake across the mucosa and to protect the body from damage of harmful substances from the lumen is defined as the intestinal barrier function (IBF). The IBF involves four elements: the intestinal microbiota, the mucus layer, the epithelium and the immune system. Its dysfunction is linked with human diseases including inflammatory, metabolic, infectious, autoimmune and neurologic disorders. Most of these diseases are complex and involve genetic, psychological and environmental factors. Over the past 10 years, many genetic polymorphisms predisposing to inflammatory bowel disease (IBD) have been identified. Yet, it is now clear that they are insufficient to explain the onset of these chronic diseases. Although it has been evidenced that some environmental factors such as cigarette smoking or carbohydrate intake are associated with IBD, other environmental factors also present potential health risks such as ingestion of food additives introduced in the human diet, including those composed of mineral particles, by altering the four elements of the intestinal barrier function. The aim of this review is to provide a critical opinion on the potential of TiO2 particles, especially when used as a food additive, to alter the four elements of the intestinal barrier function, and consequently to evaluate if this additive would likely play a role in the development and/or exacerbation of IBD.
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Affiliation(s)
- Frédérick Barreau
- INSERM, UMR 1220, Institut de Recherche en Santé Digestive, 31024, Toulouse, France. .,Université de Toulouse, Toulouse, France.
| | - Céline Tisseyre
- Univ. Grenoble Grenoble Alpes, CEA, CNRS, IRIG-SyMMES, CIBEST, 17 rue des Martyrs, 38000, Grenoble, France
| | - Sandrine Ménard
- INSERM, UMR 1220, Institut de Recherche en Santé Digestive, 31024, Toulouse, France.,Université de Toulouse, Toulouse, France
| | - Audrey Ferrand
- INSERM, UMR 1220, Institut de Recherche en Santé Digestive, 31024, Toulouse, France.,Université de Toulouse, Toulouse, France
| | - Marie Carriere
- Univ. Grenoble Grenoble Alpes, CEA, CNRS, IRIG-SyMMES, CIBEST, 17 rue des Martyrs, 38000, Grenoble, France.
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18
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Recent updates in the polysaccharides-based Nano-biocarriers for drugs delivery and its application in diseases treatment: A review. Int J Biol Macromol 2021; 182:115-128. [PMID: 33836188 DOI: 10.1016/j.ijbiomac.2021.04.009] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 04/02/2021] [Accepted: 04/02/2021] [Indexed: 01/02/2023]
Abstract
With people's increasing awareness of diseases treatment, the researchers began to focus on drug delivery to the exact site of action at the optimal rate. Some researchers have proved that many nanostructures loaded with drugs are significantly better than conventional nanostructures. However, the materials from which the nanostructure determines its performance. To use it as a pharmaceutical ingredient, it must meet strict safety regulatory standards worldwide. Therefore, people's attention has paid to easily available natural substances. As far as we know, bioactive polysaccharides are excellent candidates for realizing these purposes. To be precise, due to the natural availability of polysaccharides, it has been widely used in the research of Nano-biocarriers loaded with drugs. Based on the above analysis, the nanomaterials developed through the laboratory have great potential for upgrading to market products. Therefore, it is of great significance to review the latest progress of polysaccharide-based Nano-biocarriers in drug delivery and their application in diseases treatment. In this work, we focused on the preparation of polysaccharides-based Nano-biocarriers, commonly used polysaccharides for preparing Nano-biocarriers, and drugs loaded on polysaccharides-based Nano-biocarriers to treat diseases. Shortly, polysaccharide-based Nano-biocarriers will be increasingly used in drug delivery and treatment of diseases.
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19
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Grillo R, Fraceto LF, Amorim MJB, Scott-Fordsmand JJ, Schoonjans R, Chaudhry Q. Ecotoxicological and regulatory aspects of environmental sustainability of nanopesticides. JOURNAL OF HAZARDOUS MATERIALS 2021; 404:124148. [PMID: 33059255 DOI: 10.1016/j.jhazmat.2020.124148] [Citation(s) in RCA: 61] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 08/29/2020] [Accepted: 09/28/2020] [Indexed: 05/25/2023]
Abstract
Recent years have seen the development of various colloidal formulations of pesticides and other agrochemicals aimed at use in sustainable agriculture. These formulations include inorganic, organic or hybrid particulates, or nanocarriers composed of biodegradable polymers, that can provide a better control of the release of active ingredients. The very small particle sizes and high surface areas of nanopesticides may however also lead to some unintended (eco)toxicological effects due to the way in which they interact with the target and non-target species and the environment. The current level of knowledge on ecotoxicological effects of nanopesticides is scarce, especially in regard to the fate and behaviour of such formulations in the environment. Nanopesticides will however have to cross a stringent regulatory scrutiny before marketing in most countries for health and environmental risks under a range of regulatory frameworks that require pre-market notification, risk assessment and approval, followed by labelling, post-market monitoring and surveillance. This review provides an overview of the key regulatory and ecotoxicological aspects relating to nanopesticides that will need to be considered for environmentally-sustainable use in agriculture.
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Affiliation(s)
- Renato Grillo
- Department of Physics and Chemistry, São Paulo State University (UNESP), Avenida Brasil, 56, Centro, 15385-000 Ilha Solteira, SP, Brazil.
| | - Leonardo F Fraceto
- Department of Environmental Engineering, São Paulo State University (UNESP), Avenida Três de Março, 511, Alto da Boa Vista, 18087-180 Sorocaba, SP, Brazil
| | - Mónica J B Amorim
- Department of Biology & CESAM, University of Aveiro, 3810-193 Aveiro, Portugal
| | | | - Reinhilde Schoonjans
- Scientific Committee and Emerging Risks Unit, European Food Safety Authority, Via Carlo Magno 1/A, 43123 Parma, Italy
| | - Qasim Chaudhry
- University of Chester, Parkgate Road, Chester CH1 4BJ, United Kingdom
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20
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Van der Weken H, Cox E, Devriendt B. Advances in Oral Subunit Vaccine Design. Vaccines (Basel) 2020; 9:1. [PMID: 33375151 PMCID: PMC7822154 DOI: 10.3390/vaccines9010001] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 12/17/2020] [Accepted: 12/19/2020] [Indexed: 02/06/2023] Open
Abstract
Many pathogens invade the host at the intestinal surface. To protect against these enteropathogens, the induction of intestinal secretory IgA (SIgA) responses is paramount. While systemic vaccination provides strong systemic immune responses, oral vaccination is the most efficient way to trigger protective SIgA responses. However, the development of oral vaccines, especially oral subunit vaccines, is challenging due to mechanisms inherent to the gut. Oral vaccines need to survive the harsh environment in the gastrointestinal tract, characterized by low pH and intestinal proteases and need to reach the gut-associated lymphoid tissues, which are protected by chemical and physical barriers that prevent efficient uptake. Furthermore, they need to surmount default tolerogenic responses present in the gut, resulting in suppression of immunity or tolerance. Several strategies have been developed to tackle these hurdles, such as delivery systems that protect vaccine antigens from degradation, strong mucosal adjuvants that induce robust immune responses and targeting approaches that aim to selectively deliver vaccine antigens towards specific immune cell populations. In this review, we discuss recent advances in oral vaccine design to enable the induction of robust gut immunity and highlight that the development of next generation oral subunit vaccines will require approaches that combines these solutions.
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Affiliation(s)
| | | | - Bert Devriendt
- Department of Virology, Parasitology and Immunology, Ghent University, Salisburylaan 133, 9820 Merelbeke, Belgium; (H.V.d.W.); (E.C.)
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21
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Shaker MA, Elbadawy HM, Al Thagfan SS, Shaker MA. Enhancement of atorvastatin oral bioavailability via encapsulation in polymeric nanoparticles. Int J Pharm 2020; 592:120077. [PMID: 33246047 DOI: 10.1016/j.ijpharm.2020.120077] [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] [Received: 07/31/2020] [Revised: 11/07/2020] [Accepted: 11/08/2020] [Indexed: 01/08/2023]
Abstract
Despite the fact that atrovastatin (At) is being one of the bestselling statins used to prevent complicated cardiovascular diseases, its low oral bioavailability decreases its clinical relevance. Herein, incorporation of At into ethylcellulose nanoparticles (At-NPs) was executed to test if it would enhance its oral bioavailability. The emulsification-evaporation method was used to prepare the At-NPs. The prepared nanoparticles were characterized by measuring the particle size, zeta potential as well as using FTIR, DSC, and XRD examination. The entrapment efficiency, drug content, and the in vitro release behavior of At-NPs were also examined. The in vivo oral bioavailability of the selected At-NPs formula was tested after being given orally to New Zealand rabbits. The nanoparticles obtained had a high drug content and a distinct spherical shape but with varying sizes. No physical or chemical interactions were detected between At and the nanoparticles as confirmed by FTIR, DSC, and XRD. The in vitro release study of At from the prepared At-NPs has shown nanoparticles size-dependent release behavior. The in vivo oral absorption testing confirmed the bioavailability of the prepared At-NPs to be as follows: (Cmax = 940 ng/ml and AUC0-12 = 8759 ng.h/ml) > Lipitor® (Cmax = 635 ng/ml and AUC0-12 = 4367 ng.h/ml) > At (Cmax = 515 ng/ml and AUC0-12 = 2517 ng.h/ml). These results revealed that the oral formula of At-NPs increases the bioavailability of At 3.87 times. This makes ethylcellulose nanoparticles an esteemed candidate nano-vehicle for At, increasing its bioavailability and thus improving its clinical relevance.
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Affiliation(s)
- Mohamed A Shaker
- Pharmaceutics and Pharmaceutical Technology Department, College of Pharmacy, PO Box 30040, Taibah University, Al-Madina Al-Munawara, Saudi Arabia; Pharmaceutics Department, Faculty of Pharmacy, Helwan University, PO Box 11795, Cairo, Egypt.
| | - Hossein M Elbadawy
- Department of Pharmacology and Toxicology, College of Pharmacy, Taibah University, Al-Madina Al-Munawara, Saudi Arabia
| | - Sultan S Al Thagfan
- Clinical and Hospital Pharmacy Department, College of Pharmacy, Taibah University, Al-Madina Al-Munawara, Saudi Arabia
| | - Mahmoud A Shaker
- Department of Pharmaceutics, Faculty of Pharmacy, King Khalid University, Abha, Saudi Arabia
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22
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Soni NK, Sonali LJ, Singh A, Mangla B, Neupane YR, Kohli K. Nanostructured lipid carrier potentiated oral delivery of raloxifene for breast cancer treatment. NANOTECHNOLOGY 2020; 31:475101. [PMID: 32886644 DOI: 10.1088/1361-6528/abaf81] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Nanotherapeutics in cancer treatment are dominating global science and research, and have been recognized as the pioneering medical care regimen. Raloxifene (RLN) has been used for its anti-proliferative action on mammary tissue, however, it suffers from poor oral bioavailability. This investigation gives an account of the design and development of RLN-loaded nanostructured lipid carriers (RLN-NLCs) using a simple and scalable ultrasonication method for improved oral efficacy and limited offsite toxicity using Compritol® 888 ATO as a solid lipid and Transcutol® HP as a liquid lipid. In addition, the optimized RLN-NLCs were in the nanometric range (121 nm) with high % entrapment efficiency (%EE) (81%) for RLN, and were further freeze-dried in the presence of mannitol to enhance the stability of RLN-NLCs in the dry state for long-term use. Morphological observation under a transmission electron microscope and scanning electron microscope revealed the spherical smooth surface nanometric size of RLN-NLCs. Powder x-ray diffraction confirmed the encapsulation of RLN into the RLN-NLC's matrix with reduced crystallinity of the drug. The in vitro release study showed a burst release for an initial 4 h, and sustained release for up to 24 h. Furthermore, the RLN-NLCs showed higher cytotoxicity towards MCF-7 cells in vitro in comparison to RLN suspension, and an ex vivo intestinal permeation study demonstrated improved intestinal permeability of RLN-NLCs. Moreover, the in vivo pharmacokinetic study in female Wistar rats showed a 4.79-fold increment in oral bioavailability of RLN from RLN-NLCs compared to RLN suspension. Taken together, our results pave the way for a new nanotherapeutic approach towards breast cancer treatment.
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Affiliation(s)
- Nimrit Kaur Soni
- Department of Pharmaceutics, Delhi Pharmaceutical Sciences and Research University, New Delhi 110017, India
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Hammer L, Furtado S, Mathiowitz E, Auci DL. Oral encapsulated transforming growth factor β1 reduces endogenous levels: Effect on inflammatory bowel disease. World J Gastrointest Pharmacol Ther 2020; 11:79-92. [PMID: 33251033 PMCID: PMC7667406 DOI: 10.4292/wjgpt.v11.i5.79] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 06/18/2020] [Accepted: 10/09/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND TreXTAM® is a combination of the key regulatory cytokine transforming growth factor beta (TGFβ) and all trans retinoic acid (ATRA) microencapsulated for oral delivery to immune structures of the gut. It is in development as a novel treatment for inflammatory bowel disease (IBD).
AIM To measure TGFβ levels in blood and tissue after oral administration of encapsulated TGFβ.
METHODS Animals were orally administered encapsulated TGFβ by gavage. Levels of drug substance in blood and in gut tissues at various times after administration were measured by ELISA.
RESULTS We made the surprising discovery that oral administration of TreXTAM dramatically (approximately 50%) and significantly (P = 0.025) reduced TGFβ levels in colon, but not small intestine or mesenteric lymph nodes. Similarly, levels in rat serum after 25 d of thrice weekly dosing with either TreXTAM, or microencapsulated TGFβ alone (denoted as TPX6001) were significantly (P < 0.01) reduced from baseline levels. When tested in the SCID mouse CD4+CD25- adoptive cell transfer (ACT) model of IBD, oral TPX6001 alone provided only a transient benefit in terms of reduced weight loss.
CONCLUSION These observations suggest a negative feedback mechanism in the gut whereby local delivery of TGFβ results in reduced local and systemic levels of the active form of TGFβ. Our findings suggest potential clinical implications for use of encapsulated TGFβ, perhaps in the context of IBD and/or other instances of fibrosis and/or pathological TGFβ signaling.
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Affiliation(s)
- Laura Hammer
- Department of Research and Development, TherapyX, Buffalo, NY 14214, United States
| | - Stacia Furtado
- Department of Research and Development, TherapyX, Buffalo, NY 14214, United States
- Department of Molecular Pharmacology, Brown University, Providence, RI 02912, United States
| | - Edith Mathiowitz
- Department of Molecular Pharmacology, Brown University, Providence, RI 02912, United States
| | - Dominick L Auci
- Department of Research and Development, TherapyX, Buffalo, NY 14214, United States
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Panyala A, Chinde S, Kumari SI, Rahman MF, Mahboob M, Kumar JM, Grover P. Comparative study of toxicological assessment of yttrium oxide nano- and microparticles in Wistar rats after 28 days of repeated oral administration. Mutagenesis 2020; 34:181-201. [PMID: 30753658 DOI: 10.1093/mutage/gey044] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Revised: 10/25/2018] [Accepted: 12/18/2018] [Indexed: 12/20/2022] Open
Abstract
Despite their enormous advantages, nanoparticles (NPs) have elicited disquiet over their safety. Among the numerous NPs, yttrium oxide (Y2O3) NPs are utilised in many applications. However, knowledge about their toxicity is limited, and it is imperative to investigate their potential adverse effects. Therefore, this study explored the effect of 28 days of repeated oral exposure of Wistar rats to 30, 120 and 480 mg/kg body weight (bw) per day of Y2O3 NPs and microparticles (MPs). Before initiation of the study, characterisation of the particles by transmission electron microscopy, dynamic light scattering, Brunauer-Emmett-Teller and laser Doppler velocimetry was undertaken. Genotoxicity was evaluated using the comet and micronucleus (MN) assays. Biochemical markers aspartate transaminase, alanine transaminase, alkaline phosphatase, malondialdehyde, superoxide dismutase, reduced glutathione, catalase and lactate dehydrogenase in serum, liver and kidney were determined. Bioaccumulation of the particles was analysed by inductively coupled plasma optical emission spectrometry. The results of the comet and MN assays showed significant differences between the control and groups treated with 120 and 480 mg/kg bw/day Y2O3 NPs. Significant biochemical alterations were also observed at 120 and 480 mg/kg bw/day. Haematological and histopathological changes were documented. Yttrium (Y) biodistribution was detected in liver, kidney, blood, intestine, lungs, spleen, heart and brain in a dose- and the organ-dependent manner in both the particles. Further, the highest levels of Y were found in the liver and the lowest in the brain of the treated rats. More of the Y from NPs was excreted in the urine than in the faeces. Furthermore, NP-treated rats exhibited much higher absorption and tissue accumulation. These interpretations furnish rudimentary data of the apparent genotoxicity of NPs and MPs of Y2O3 as well as the biodistribution of Y. A no-observed adverse effect level of 30 mg/kg bw/day was found after oral exposure of rats to Y2O3 NPs.
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Affiliation(s)
- Archana Panyala
- Toxicology Unit, Applied Biology Division, CSIR - Indian Institute of Chemical Technology, Hyderabad, Telangana, India
- Academy of Scientific and Innovative Research, CSIR - Indian Institute of Chemical Technology, Hyderabad, Telangana, India
| | - Srinivas Chinde
- Toxicology Unit, Applied Biology Division, CSIR - Indian Institute of Chemical Technology, Hyderabad, Telangana, India
| | - Srinivas Indu Kumari
- Toxicology Unit, Applied Biology Division, CSIR - Indian Institute of Chemical Technology, Hyderabad, Telangana, India
- Academy of Scientific and Innovative Research, CSIR - Indian Institute of Chemical Technology, Hyderabad, Telangana, India
| | - Mohammad Fazlur Rahman
- Toxicology Unit, Applied Biology Division, CSIR - Indian Institute of Chemical Technology, Hyderabad, Telangana, India
| | - Mohammed Mahboob
- Toxicology Unit, Applied Biology Division, CSIR - Indian Institute of Chemical Technology, Hyderabad, Telangana, India
| | - Jerald Mahesh Kumar
- Animal House Facility, CSIR - Centre for Cellular and Molecular Biology, Hyderabad, Telangana, India
| | - Paramjit Grover
- Toxicology Unit, Applied Biology Division, CSIR - Indian Institute of Chemical Technology, Hyderabad, Telangana, India
- Academy of Scientific and Innovative Research, CSIR - Indian Institute of Chemical Technology, Hyderabad, Telangana, India
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Fana M, Gallien J, Srinageshwar B, Dunbar GL, Rossignol J. PAMAM Dendrimer Nanomolecules Utilized as Drug Delivery Systems for Potential Treatment of Glioblastoma: A Systematic Review. Int J Nanomedicine 2020; 15:2789-2808. [PMID: 32368055 PMCID: PMC7185330 DOI: 10.2147/ijn.s243155] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Accepted: 03/03/2020] [Indexed: 02/06/2023] Open
Abstract
Glioblastoma (GB) is a grade IV astrocytoma that maintains a poor prognosis with respect to current treatment options. Despite major advancements in the fields of surgery and chemoradiotherapy over the last few decades, the life expectancy for someone with glioblastoma remains virtually unchanged and warrants a new approach for treatment. Poly(amidoamine) (PAMAM) dendrimers are a type of nanomolecule that ranges in size (between 1 and 100 nm) and shape and can offer a new viable solution for the treatment of intracranial tumors, including glioblastoma. Their ability to deliver a variety of therapeutic cargo and penetrate the blood-brain barrier (BBB), while preserving low cytotoxicity, make them a favorable candidate for further investigation into the treatment of glioblastoma. Here, we present a systematic review of the current advancements in PAMAM dendrimer technology, including the wide spectrum of dendrimer generations formulated, surface modifications, core modifications, and conjugations developed thus far to enhance tumor specificity and tumor penetration for treatment of glioblastoma. Furthermore, we highlight the extensive variety of therapeutics capable of delivery by PAMAM dendrimers for the treatment of glioblastoma, including cytokines, peptides, drugs, siRNAs, miRNAs, and organic polyphenols. While there have been prolific results stemming from aggressive research into the field of dendrimer technology, there remains a nearly inexhaustible amount of questions that remain unanswered. Nevertheless, this technology is rapidly developing and is nearing the cusp of use for aggressive tumor treatment. To that end, we further highlight future prospects in focus as researchers continue developing more optimal vehicles for the delivery of therapeutic cargo.
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Affiliation(s)
- Michael Fana
- College of Medicine, Central Michigan University, Mt. Pleasant, MI48859, USA
- Field Neurosciences Institute Laboratory for Restorative Neurology, Central Michigan University, Mt. Pleasant, MI48859, USA
| | - John Gallien
- Field Neurosciences Institute Laboratory for Restorative Neurology, Central Michigan University, Mt. Pleasant, MI48859, USA
- Program in Neuroscience, Central Michigan University, Mt. Pleasant, MI48859, USA
| | - Bhairavi Srinageshwar
- College of Medicine, Central Michigan University, Mt. Pleasant, MI48859, USA
- Field Neurosciences Institute Laboratory for Restorative Neurology, Central Michigan University, Mt. Pleasant, MI48859, USA
- Program in Neuroscience, Central Michigan University, Mt. Pleasant, MI48859, USA
| | - Gary L Dunbar
- Field Neurosciences Institute Laboratory for Restorative Neurology, Central Michigan University, Mt. Pleasant, MI48859, USA
- Program in Neuroscience, Central Michigan University, Mt. Pleasant, MI48859, USA
- Department of Psychology, Central Michigan University, Mt. Pleasant, MI48859, USA
- Field Neurosciences Institute, St. Mary’s of Michigan, Saginaw, MI48604, USA
| | - Julien Rossignol
- College of Medicine, Central Michigan University, Mt. Pleasant, MI48859, USA
- Field Neurosciences Institute Laboratory for Restorative Neurology, Central Michigan University, Mt. Pleasant, MI48859, USA
- Program in Neuroscience, Central Michigan University, Mt. Pleasant, MI48859, USA
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Ferber S, Gonzalez RJ, Cryer AM, von Andrian UH, Artzi N. Immunology-Guided Biomaterial Design for Mucosal Cancer Vaccines. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e1903847. [PMID: 31833592 DOI: 10.1002/adma.201903847] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Revised: 09/11/2019] [Indexed: 05/23/2023]
Abstract
Cancer of mucosal tissues is a major cause of worldwide mortality for which only palliative treatments are available for patients with late-stage disease. Engineered cancer vaccines offer a promising approach for inducing antitumor immunity. The route of vaccination plays a major role in dictating the migratory pattern of lymphocytes, and thus vaccine efficacy in mucosal tissues. Parenteral immunization, specifically subcutaneous and intramuscular, is the most common vaccination route. However, this induces marginal mucosal protection in the absence of tissue-specific imprinting signals. To circumvent this, the mucosal route can be utilized, however degradative mucosal barriers must be overcome. Hence, vaccine administration route and selection of materials able to surmount transport barriers are important considerations in mucosal cancer vaccine design. Here, an overview of mucosal immunity in the context of cancer and mucosal cancer clinical trials is provided. Key considerations are described regarding the design of biomaterial-based vaccines that will afford antitumor immune protection at mucosal surfaces, despite limited knowledge surrounding mucosal vaccination, particularly aided by biomaterials and mechanistic immune-material interactions. Finally, an outlook is given of how future biomaterial-based mucosal cancer vaccines will be shaped by new discoveries in mucosal vaccinology, tumor immunology, immuno-therapeutic screens, and material-immune system interplay.
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Affiliation(s)
- Shiran Ferber
- Department of Medicine, Engineering in Medicine Division, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02139, USA
- Institute for Medical Engineering and Science, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - Rodrigo J Gonzalez
- Department of Immunology, Harvard Medical School, Boston, MA, 02115, USA
| | - Alexander M Cryer
- Department of Medicine, Engineering in Medicine Division, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02139, USA
- Institute for Medical Engineering and Science, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - Ulrich H von Andrian
- Department of Immunology, Harvard Medical School, Boston, MA, 02115, USA
- The Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology, and Harvard, Boston, MA, 02139, USA
| | - Natalie Artzi
- Department of Medicine, Engineering in Medicine Division, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02139, USA
- Institute for Medical Engineering and Science, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
- Broad Institute of Harvard and MIT, Cambridge, MA, 02139, USA
- State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai, China
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Ghibaudo F, Gerbino E, Copello GJ, Campo Dall' Orto V, Gómez-Zavaglia A. Pectin-decorated magnetite nanoparticles as both iron delivery systems and protective matrices for probiotic bacteria. Colloids Surf B Biointerfaces 2019; 180:193-201. [PMID: 31054459 DOI: 10.1016/j.colsurfb.2019.04.049] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Revised: 03/20/2019] [Accepted: 04/24/2019] [Indexed: 01/22/2023]
Abstract
The goal of this work was to investigate biophysical stability of iron-pectin nanoparticles and analyze the feasibility of using them as delivery systems for the probiotic strain Lactobacillus plantarum CIDCA 83114. Iron oxide (Fe3O4) nanoparticles were synthesized from 0.25M FeCl2/0.5 M FeCl3.6H2O, and coated with citrus pectins. Their physico-chemical properties [FTIR, X-ray diffraction (XRD), ζ-potential, particle size, SEM, TEM] and their effect on bacterial stabilization (viability after freeze-drying/storage, stability when exposed to simulated gastro-intestinal conditions) were assessed. XRD indicated the almost exclusive presence of magnetite crystalline phases. FTIR spectra confirmed the adsorption of pectin on magnetite nanoparticles surface. SEM and TEM images evidenced agglomerated nanoparticles, and a morphological surface change after adsorption of pectin. DLS and ζ-potential results proved the solvation of the ionizable groups in the hydrophilic network which induced chain expansion and agglomeration. Iron from nanoparticles demonstrated to be non-toxic for microorganisms up to 1.00 mg/mL. Simulated saliva and gastric solutions prevented nanoparticles from dissolution. The higher pH of the intestinal conditions (solvated -COO- and Fe-O- groups) facilitated the dispersion and partial dissolution of nanoparticles. Pectins adsorption on magnetite nanoparticles significantly enhanced electrostatic repulsion, which aided the solvation of ionized iron forms. The soluble species diffused out from the aggregates, being detected in the simulated intestinal fluid. Regarding bacterial viability, no decays were observed neither when pectin-decorated nanoparticles were exposed to simulated fluids nor when stored at 4 °C for 60 days. The composites engineered in this work appear as adequate delivery systems for probiotic bacteria, whose target is the gut.
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Affiliation(s)
- Florencia Ghibaudo
- Center for Research and Development in Food Cryotechnology (CIDCA, CCT-CONICET La Plata), RA1900, La Plata, Argentina
| | - Esteban Gerbino
- Center for Research and Development in Food Cryotechnology (CIDCA, CCT-CONICET La Plata), RA1900, La Plata, Argentina
| | - Guillermo J Copello
- CONICET - Universidad de Buenos Aires. Instituto de Quı́mica y Metabolismo delFármaco (IQUIMEFA), Junı́n 956, C1113AAD, Buenos Aires, Argentina; Universidad de Buenos Aires (UBA), Facultad de Farmacia y Bioquı́mica,Departamento de Quı́mica Analı́tica y Fisicoquı́mica, (UBA), Junı́n 956, C1113AAD,Buenos Aires, Argentina
| | - Viviana Campo Dall' Orto
- CONICET - Universidad de Buenos Aires. Instituto de Quı́mica y Metabolismo delFármaco (IQUIMEFA), Junı́n 956, C1113AAD, Buenos Aires, Argentina; Universidad de Buenos Aires (UBA), Facultad de Farmacia y Bioquı́mica,Departamento de Quı́mica Analı́tica y Fisicoquı́mica, (UBA), Junı́n 956, C1113AAD,Buenos Aires, Argentina
| | - Andrea Gómez-Zavaglia
- Center for Research and Development in Food Cryotechnology (CIDCA, CCT-CONICET La Plata), RA1900, La Plata, Argentina.
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Partridge GJ, Rao S, Woolley LD, Pilmer L, Lymbery AJ, Prestidge CA. Bioavailability and palatability of praziquantel incorporated into solid-lipid nanoparticles fed to yellowtail kingfish Seriola lalandi. Comp Biochem Physiol C Toxicol Pharmacol 2019; 218:14-20. [PMID: 30543863 DOI: 10.1016/j.cbpc.2018.12.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Revised: 12/08/2018] [Accepted: 12/08/2018] [Indexed: 10/27/2022]
Abstract
In an effort to overcome the palatability issues currently constraining the effective delivery of praziquantel (PZQ) via feed to treat monogenean parasites in yellowtail kingfish, this study compared the bioavailability and palatability of PZQ in hydrogenated castor oil (HCO) solid lipid nanoparticles (SLN) against pure PZQ in this species. Improving bioavailability would facilitate lower dietary inclusion levels to achieve the same therapeutic dose and therefore reduce the bitterness of feeds containing PZQ. Bioavailability was determined by co-administering feed with either pure PZQ, HCO-SLN or HCO-SLN coated with chitosan via intubation and quantifying the pharmacokinetics response. In contrast to studies with mammals, the results demonstrated that PZQ in HCO-SLN had equal bioavailability to pure PZQ in yellowtail kingfish, including when HCO-SLN were coated with chitosan. We hypothesise that the lack of improvement in bioavailability may be due to the lack of M cells and Peyer's patches in fish and the subsequent inability of fish to take nanoparticles directly into the lymphatic system. Furthermore, palatability of the feeds medicated with PZQ was not improved when the PZQ was incorporated into HCO-SLN, possibly due to the low loading rate of PZQ within the HCO-SLN and the subsequent thick coating of nanoparticles that was required on the surface of the feed pellets. Combined, these data demonstrate that the SLN used in the current study are not capable of delivering the benefits required to enable effective in-feed treatment of PZQ against monogenean parasites in yellowtail kingfish.
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Affiliation(s)
- Gavin J Partridge
- Australian Centre for Applied Aquaculture Research, Department of Primary Industries and Regional Development, 1 Fleet Fremantle, Western Australia 6160, Australia; Centre for Sustainable Aquatic Ecosystems, Harry Butler Institute, School of Veterinary & Life Sciences, Murdoch University, South Street, Murdoch, Western Australia 6150, Australia.
| | - Shasha Rao
- School of Pharmacy and Medical Sciences, University of South Australia, Adelaide 5000, South Australia, Australia
| | - Lindsey D Woolley
- Australian Centre for Applied Aquaculture Research, Department of Primary Industries and Regional Development, 1 Fleet Fremantle, Western Australia 6160, Australia
| | - Luke Pilmer
- Australian Centre for Applied Aquaculture Research, Department of Primary Industries and Regional Development, 1 Fleet Fremantle, Western Australia 6160, Australia; Centre for Sustainable Aquatic Ecosystems, Harry Butler Institute, School of Veterinary & Life Sciences, Murdoch University, South Street, Murdoch, Western Australia 6150, Australia
| | - Alan J Lymbery
- Centre for Sustainable Aquatic Ecosystems, Harry Butler Institute, School of Veterinary & Life Sciences, Murdoch University, South Street, Murdoch, Western Australia 6150, Australia
| | - Clive A Prestidge
- School of Pharmacy and Medical Sciences, University of South Australia, Adelaide 5000, South Australia, Australia; ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, University of South Australia, Adelaide 5000, South Australia, Australia
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Mahmood A, Bernkop-Schnürch A. SEDDS: A game changing approach for the oral administration of hydrophilic macromolecular drugs. Adv Drug Deliv Rev 2019; 142:91-101. [PMID: 29981355 DOI: 10.1016/j.addr.2018.07.001] [Citation(s) in RCA: 84] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Revised: 06/22/2018] [Accepted: 07/02/2018] [Indexed: 12/11/2022]
Abstract
Since the development of self-emulsifying drug delivery systems (SEDDS) in 1980's, they attract the attention of researchers in order to confront the challenge of poor water-solubility of orally given drugs. Within recent years, SEDDS were also discovered for oral administration of hydrophilic macromolecular drugs such as peptides, proteins, polysaccharides and pDNA. Due to hydrophobic ion pairing (HIP) with oppositely charged lipophilic auxiliary agents the resulting complexes can be incorporated in the lipophilic phase of SEDDS. Depending on the solubility of the complex in the SEDDS pre-concentrate and in the release medium drug release can be adjusted on purpose by choosing more or less lipophilic auxiliary agents in appropriate quantities for HIP. Within the oily droplets formed in the GI-tract drugs are protected towards degradation by proteases and nucleases and thiol-disulfide exchange reactions with dietary proteins. The oily droplets can be made mucoadhesive or highly mucus permeating depending on their target site. Furthermore, even their cellular uptake properties can be tuned by adjusting their zeta potential or decorating them with cell penetrating peptides. The potential of SEDDS for oral administration of hydrophilic macromolecular drugs could meanwhile be demonstrated via various in vivo studies showing a bioavailability at least in the single digit percentage range. Owing to these properties advanced SEDDS turned out to be a game changing approach for the oral administration of hydrophilic macromolecular drugs.
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Affiliation(s)
- Arshad Mahmood
- Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain 80/82, 6020 Innsbruck, Austria; Department of Pharmacy, COMSATS Institute of Information Technology Abbottabad, Abbottabad 22060, Pakistan
| | - Andreas Bernkop-Schnürch
- Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain 80/82, 6020 Innsbruck, Austria.
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Triebskorn R, Braunbeck T, Grummt T, Hanslik L, Huppertsberg S, Jekel M, Knepper TP, Krais S, Müller YK, Pittroff M, Ruhl AS, Schmieg H, Schür C, Strobel C, Wagner M, Zumbülte N, Köhler HR. Relevance of nano- and microplastics for freshwater ecosystems: A critical review. Trends Analyt Chem 2019. [DOI: 10.1016/j.trac.2018.11.023] [Citation(s) in RCA: 178] [Impact Index Per Article: 35.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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31
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Ma L, Le P, Kohli M, Smith AM. Nanomedicine in Cancer. Bioanalysis 2019. [DOI: 10.1007/978-3-030-01775-0_4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Rovoli M, Pappas I, Lalas S, Gortzi O, Kontopidis G. In vitro and in vivo assessment of vitamin A encapsulation in a liposome–protein delivery system. J Liposome Res 2018; 29:142-152. [DOI: 10.1080/08982104.2018.1502314] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Magdalini Rovoli
- Laboratory of Biochemistry, Faculty of Veterinary Medicine, University of Thessaly, Karditsa, Greece
| | - Ioannis Pappas
- Laboratory of Pharmacology and Toxicology, Faculty of Veterinary Medicine, University of Thessaly, Karditsa, Greece
| | - Stavros Lalas
- Department of Food Technology, Technological Educational Institution of Thessaly, Karditsa, Greece
| | - Olga Gortzi
- Department of Food Technology, Technological Educational Institution of Thessaly, Karditsa, Greece
| | - George Kontopidis
- Laboratory of Biochemistry, Faculty of Veterinary Medicine, University of Thessaly, Karditsa, Greece
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Vllasaliu D, Thanou M, Stolnik S, Fowler R. Recent advances in oral delivery of biologics: nanomedicine and physical modes of delivery. Expert Opin Drug Deliv 2018; 15:759-770. [PMID: 30033780 DOI: 10.1080/17425247.2018.1504017] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
INTRODUCTION Research into oral delivery of biologics has a long and rich history but has not produced technologies used in the clinic. The area has evolved in terms of strategies to promote oral biologics delivery from early chemical absorption enhancers to nanomedicine to devices. Continued activity in this area is justifiable considering the remarkable proliferation of biologics. AREAS COVERED The article discusses some physiological barriers to oral delivery of biologics, with a special focus on less characterized barriers such as the basement membrane. Recent progress in oral delivery of biologics via nanomedicine is subsequently covered. Finally, the emerging field of device-mediated gastrointestinal delivery of biotherapeutics is discussed EXPERT OPINION Oral delivery of biologics is considered a 'panacea' in drug delivery. Almost century-old approaches of utilizing chemical absorption enhancers have not produced clinically translated technologies. Nanomedicine for oral biologics delivery has demonstrated potential, but the field is relatively new, and technologies have not progressed to the clinic. Device-mediated oral biologics delivery (e.g. ultrasound or microneedles) is in its infancy. However, this space is likely to intensify owing to advances in electronics and materials, as well as the challenges and history related to clinical translation of alternative approaches.
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Affiliation(s)
- Driton Vllasaliu
- a School of Cancer and Pharmaceutical Sciences, Faculty of Life Sciences & Medicine , King's College London , London , United Kingdom
| | - Maya Thanou
- a School of Cancer and Pharmaceutical Sciences, Faculty of Life Sciences & Medicine , King's College London , London , United Kingdom
| | - Snjezana Stolnik
- b Division of Drug Delivery and Tissue Engineering, Boots Science Building , University of Nottingham , Nottingham , United Kingdom
| | - Robyn Fowler
- c SuccinctChoice Medical Communications , London , United Kingdom
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Ahmad N, Alam MA, Ahmad R, Umar S, Jalees Ahmad F. RETRACTED ARTICLE: Improvement of oral efficacy of Irinotecan through biodegradable polymeric nanoparticles through in vitro and in vivo investigations. J Microencapsul 2018; 35:327-343. [DOI: 10.1080/02652048.2018.1485755] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Niyaz Ahmad
- Department of Pharmaceutics, College of Clinical Pharmacy, Imam Abdulrahman Bin Faisal University, Dammam, Kingdom of Saudi Arabia
| | - Md Aftab Alam
- Department of Pharmaceutics, School of Medical and Allied Sciences, Galgotias University, Greater Noida, India
| | - Rizwan Ahmad
- Department of Natural Products and Alternative Medicine College of Clinical Pharmacy, Imam Abdulrahman Bin Faisal University, Dammam, Kingdom of Saudi Arabia
| | - Sadiq Umar
- Division of Rheumatology, Department of Medicine, University of Illinois, Chicago, IL, USA
| | - Farhan Jalees Ahmad
- Nanomedicine Lab, Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, India
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Rao MRP, Chaudhari J, Trotta F, Caldera F. Investigation of Cyclodextrin-Based Nanosponges for Solubility and Bioavailability Enhancement of Rilpivirine. AAPS PharmSciTech 2018; 19:2358-2369. [PMID: 29869305 DOI: 10.1208/s12249-018-1064-6] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2017] [Accepted: 05/11/2018] [Indexed: 12/19/2022] Open
Abstract
Rilpivrine is BCS class II drug used for treatment of HIV infection. The drug has low aqueous solubility (0.0166 mg/ml) and dissolution rate leading to low bioavailability (32%). Aim of this work was to enhance solubility and dissolution of rilpivirine using beta-cyclodextrin-based nanosponges. These nanosponges are biocompatible nanoporous particles having high loading capacity to form supramolecular inclusion and non-inclusion complexes with hydrophilic and lipophilic drugs for solubility enhancement. Beta-cyclodextrin was crosslinked with carbonyl diimidazole and pyromellitic dianhydride to prepare nanosponges. The nanosponges were loaded with rilpivirine by solvent evaporation method. Binary and ternary complexes of drug with β-CD, HP-β-CD, nanosponges, and tocopherol polyethylene glycol succinate were prepared and characterized by phase solubility, saturation solubility in different media, in vitro dissolution, and in vivo pharmacokinetics. Spectral analysis by Fourier transform infrared spectroscopy, powder X-ray diffraction, and differential scanning calorimetry was performed. Results obtained from spectral characterization confirmed inclusion complexation. Phase solubility studies indicated stable complex formation. Saturation solubility was found to be 10-13-folds higher with ternary complexes in distilled water and 12-14-fold higher in 0.1 N HCl. Solubility enhancement was evident in biorelevant media. Molecular modeling studies revealed possible mode of entrapment of rilpivirine within β-CD cavities. A 3-fold increase in dissolution with ternary complexes was observed. Animal studies revealed nearly 2-fold increase in oral bioavailability of rilpivirine. It was inferred that electronic interactions, hydrogen bonding, and van der Waals forces are involved in the supramolecular interactions.
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Agrawal M, Saraf S, Saraf S, Antimisiaris SG, Chougule MB, Shoyele SA, Alexander A. Nose-to-brain drug delivery: An update on clinical challenges and progress towards approval of anti-Alzheimer drugs. J Control Release 2018; 281:139-177. [DOI: 10.1016/j.jconrel.2018.05.011] [Citation(s) in RCA: 203] [Impact Index Per Article: 33.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Revised: 05/10/2018] [Accepted: 05/10/2018] [Indexed: 01/02/2023]
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Winkler HC, Notter T, Meyer U, Naegeli H. Critical review of the safety assessment of titanium dioxide additives in food. J Nanobiotechnology 2018; 16:51. [PMID: 29859103 PMCID: PMC5984422 DOI: 10.1186/s12951-018-0376-8] [Citation(s) in RCA: 122] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Accepted: 05/18/2018] [Indexed: 01/06/2023] Open
Abstract
Nanomaterial engineering provides an important technological advance that offers substantial benefits for applications not only in the production and processing, but also in the packaging and storage of food. An expanding commercialization of nanomaterials as part of the modern diet will substantially increase their oral intake worldwide. While the risk of particle inhalation received much attention, gaps of knowledge exist regarding possible adverse health effects due to gastrointestinal exposure. This problem is highlighted by pigment-grade titanium dioxide (TiO2), which confers a white color and increased opacity with an optimal particle diameter of 200-300 nm. However, size distribution analyses showed that batches of food-grade TiO2 always comprise a nano-sized fraction as inevitable byproduct of the manufacturing processes. Submicron-sized TiO2 particles, in Europe listed as E 171, are widely used as a food additive although the relevant risk assessment has never been satisfactorily completed. For example, it is not possible to derive a safe daily intake of TiO2 from the available long-term feeding studies in rodents. Also, the use of TiO2 particles in the food sector leads to highest exposures in children, but only few studies address the vulnerability of this particular age group. Extrapolation of animal studies to humans is also problematic due to knowledge gaps as to local gastrointestinal effects of TiO2 particles, primarily on the mucosa and the gut-associated lymphoid system. Tissue distributions after oral administration of TiO2 differ from other exposure routes, thus limiting the relevance of data obtained from inhalation or parenteral injections. Such difficulties and uncertainties emerging in the retrospective assessment of TiO2 particles exemplify the need for a fit-to-purpose data requirement for the future evaluation of novel nano-sized or submicron-sized particles added deliberately to food.
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Affiliation(s)
- Hans Christian Winkler
- Institute of Food, Nutrition and Health, Department of Health Sciences and Technology, ETH Zurich, Schmelzbergstrasse 7, 8092 Zurich, Switzerland
| | - Tina Notter
- Institute of Pharmacology and Toxicology, University of Zurich-Vetsuisse, Winterthurerstrasse 260, 8057 Zurich, Switzerland
| | - Urs Meyer
- Institute of Pharmacology and Toxicology, University of Zurich-Vetsuisse, Winterthurerstrasse 260, 8057 Zurich, Switzerland
| | - Hanspeter Naegeli
- Institute of Pharmacology and Toxicology, University of Zurich-Vetsuisse, Winterthurerstrasse 260, 8057 Zurich, Switzerland
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Qi J, Zhuang J, Lv Y, Lu Y, Wu W. Exploiting or overcoming the dome trap for enhanced oral immunization and drug delivery. J Control Release 2018; 275:92-106. [DOI: 10.1016/j.jconrel.2018.02.021] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Revised: 02/14/2018] [Accepted: 02/14/2018] [Indexed: 02/07/2023]
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Ranjani A, Gopinath PM, Ananth S, Narchonai G, Santhanam P, Thajuddin N, Dhanasekaran D. Multidimensional dose–response toxicity exploration of silver nanoparticles from Nocardiopsis flavascens RD30. APPLIED NANOSCIENCE 2018. [DOI: 10.1007/s13204-018-0824-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Cunff JL, Tomašić V, Gomzi Z. Photocatalytic degradation of terbuthylazine: Modelling of a batch recirculating device. J Photochem Photobiol A Chem 2018. [DOI: 10.1016/j.jphotochem.2017.11.020] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Chaurasia S, Patel RR, Vure P, Mishra B. Oral naringenin nanocarriers: Fabrication, optimization, pharmacokinetic and chemotherapeutic efficacy assessments. Nanomedicine (Lond) 2017; 12:1243-1260. [PMID: 28593828 DOI: 10.2217/nnm-2016-0436] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
AIM To enhance oral bioavailability and chemotherapeutic efficacy of naringenin (NG) by fabricating the NG-encapsulated Soluthin-maltodextrin-based nanocarrier (NC) system. MATERIALS & METHODS NG-encapsulated nanocarriers (NG/NCs) were developed, and in vitro physicochemically characterized. Furthermore, Wistar rats were used to evaluate the pharmacokinetic profile. Furthermore, in vitro and in vivo colorectal cancer efficacy was evaluated in BALB/c mice-bearing colon-26 cells. RESULTS The NG/NCs demonstrated favorable mean particle size (176 ± 2.35 nm) and percent entrapment efficiency (70.83 ± 4.55%), respectively. The oral bioavailability was found to be approximately 116-fold higher and in vitro cytotoxicity exhibited approximately 21-fold reduction as compared with pure NG. Moreover, optimized NG/NCs demonstrated significant tumor suppression compared with pure NG in vivo. CONCLUSION The NG/NCs would be an efficient formulation for enhancing oral bioavailability and chemotherapeutic efficacy of NG.
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Affiliation(s)
- Sundeep Chaurasia
- Department of Pharmaceutics, Indian Institute of Technology (Banaras Hindu University), Varanasi 221 005, UP, INDIA.,Formulation Research & Development, Complex Generics Division, Virchow Biotech Pvt. Ltd, Survey No. 172 Part, Gagillapur Village, Quthbullapur Mandal, Ranga Reddy 500 043, Hyderabad, Telangana, India
| | - Ravi R Patel
- Department of Pharmaceutics, Indian Institute of Technology (Banaras Hindu University), Varanasi 221 005, UP, INDIA
| | - Prasad Vure
- Formulation Research & Development, Complex Generics Division, Virchow Biotech Pvt. Ltd, Survey No. 172 Part, Gagillapur Village, Quthbullapur Mandal, Ranga Reddy 500 043, Hyderabad, Telangana, India
| | - Brahmeshwar Mishra
- Department of Pharmaceutics, Indian Institute of Technology (Banaras Hindu University), Varanasi 221 005, UP, INDIA
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Mady FM, Shaker MA. Enhanced anticancer activity and oral bioavailability of ellagic acid through encapsulation in biodegradable polymeric nanoparticles. Int J Nanomedicine 2017; 12:7405-7417. [PMID: 29066891 PMCID: PMC5644528 DOI: 10.2147/ijn.s147740] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Despite the fact that various studies have investigated the clinical relevance of ellagic acid (EA) as a naturally existing bioactive substance in cancer therapy, little has been reported regarding the efficient strategy for improving its oral bioavailability. In this study, we report the formulation of EA-loaded nanoparticles (EA-NPs) to find a way to enhance its bioactivity as well as bioavailability after oral administration. Poly(ε-caprolactone) (PCL) was selected as the biodegradable polymer for the formulation of EA-NPs through the emulsion–diffusion–evaporation technique. The obtained NPs have been characterized by measuring particle size, zeta potential, Fourier transform infrared, differential scanning calorimetry, and X-ray diffraction. The entrapment efficiency and the release profile of EA was also determined. In vitro cellular uptake and cytotoxicity of the obtained NPs were evaluated using Caco-2 and HCT-116 cell lines, respectively. Moreover, in vivo study has been performed to measure the oral bioavailability of EA-NPs compared to free EA, using New Zealand white rabbits. NPs with distinct shape were obtained with high entrapment and loading efficiencies. Diffusion-driven release profile of EA from the prepared NPs was determined. EA-NP-treated HCT-116 cells showed relatively lower cell viability compared to free EA-treated cells. Fluorometric imaging revealed the cellular uptake and efficient localization of EA-NPs in the nuclear region of Caco-2 cells. In vivo testing revealed that the oral administration of EA-NPs produced a 3.6 times increase in the area under the curve compared to that of EA. From these results, it can be concluded that incorporation of EA into PCL as NPs enhances its oral bioavailability and activity.
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Affiliation(s)
- Fatma M Mady
- Pharmaceutics and Pharmaceutical Technology Department, College of Pharmacy, Taibah University, Al Madina Al Munawara, Saudi Arabia.,Pharmaceutics Department, Faculty of Pharmacy, Minia University, Minia
| | - Mohamed A Shaker
- Pharmaceutics and Pharmaceutical Technology Department, College of Pharmacy, Taibah University, Al Madina Al Munawara, Saudi Arabia.,Pharmaceutics Department, Faculty of Pharmacy, Helwan University, Cairo, Egypt
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Bachhav SS, Dighe VD, Kotak D, Devarajan PV. Rifampicin Lipid-Polymer hybrid nanoparticles (LIPOMER) for enhanced Peyer’s patch uptake. Int J Pharm 2017; 532:612-622. [DOI: 10.1016/j.ijpharm.2017.09.040] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Revised: 08/28/2017] [Accepted: 09/16/2017] [Indexed: 12/25/2022]
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Collard F, Gilbert B, Compère P, Eppe G, Das K, Jauniaux T, Parmentier E. Microplastics in livers of European anchovies (Engraulis encrasicolus, L.). ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2017; 229:1000-1005. [PMID: 28768577 DOI: 10.1016/j.envpol.2017.07.089] [Citation(s) in RCA: 218] [Impact Index Per Article: 31.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2017] [Revised: 07/25/2017] [Accepted: 07/25/2017] [Indexed: 05/21/2023]
Abstract
Microplastics (MPs) are thought to be ingested by a wide range of marine organisms before being excreted. However, several studies in marine organisms from different taxa have shown that MPs and nanoplastics could be translocated in other organs. In this study, we investigated the presence of MPs in the livers of commercial zooplanktivorous fishes collected in the field. The study focuses mainly on the European anchovy Engraulis encrasicolus but concerns also the European pilchard Sardina pilchardus and the Atlantic herring Clupea harengus. Two complementary methodologies were used to attest the occurrence of MPs in the hepatic tissue and to exclude contamination. 1) MPs were isolated by degradation of the hepatic tissue. 2) Cryosections were made on the livers and observed in polarized light microscopy. Both methods separately revealed that MPs, mainly polyethylene (PE), were translocated into the livers of the three clupeid species. In anchovy, 80 per cent of livers contained relatively large MPs that ranged from 124 μm to 438 μm, showing a high level of contamination. Two translocation pathways are hypothesized: (i) large particles found in the liver resulted from the agglomeration of smaller pieces, and/or (ii) they simply pass through the intestinal barrier. Further studies are however required to understand the exact process.
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Affiliation(s)
- France Collard
- Laboratory of Functional and Evolutionary Morphology, B6c, Department of Biology, Ecology and Evolution, AFFISH-RC, University of Liege, 4000 Liege, Belgium; Laboratory of Oceanology - MARE Center, B6c, Department of Biology, Ecology and Evolution, University of Liege, 4000 Liege, Belgium.
| | - Bernard Gilbert
- Inorganic Analytical Chemistry Laboratory, B6c, Department of Chemistry, University of Liege, 4000 Liege, Belgium
| | - Philippe Compère
- Laboratory of Functional and Evolutionary Morphology, B6c, Department of Biology, Ecology and Evolution, AFFISH-RC, University of Liege, 4000 Liege, Belgium
| | - Gauthier Eppe
- Inorganic Analytical Chemistry Laboratory, B6c, Department of Chemistry, University of Liege, 4000 Liege, Belgium
| | - Krishna Das
- Laboratory of Oceanology - MARE Center, B6c, Department of Biology, Ecology and Evolution, University of Liege, 4000 Liege, Belgium
| | - Thierry Jauniaux
- Department of Veterinary Pathology, B43, Fundamental and Applied Research for Animals & Health (FARAH), University of Liege, 4000 Liege, Belgium
| | - Eric Parmentier
- Laboratory of Functional and Evolutionary Morphology, B6c, Department of Biology, Ecology and Evolution, AFFISH-RC, University of Liege, 4000 Liege, Belgium.
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Ding B, Yi X, Li L, Yang H. Assessment of Ferrous Glycinate Liposome Absorption Using in Situ Single-Pass Perfusion Model. INTERNATIONAL JOURNAL OF FOOD ENGINEERING 2017. [DOI: 10.1515/ijfe-2016-0358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
AbstractLiposomes could be employed to improve the absorption of iron. The purpose of this study was to estimate the intestinal permeability of ferrous glycinate liposomes and to assess the effects of phytic acid, zinc and particle size on iron absorption usingin situsingle-pass perfusion in rats. The results showed that the absorption of ferrous glycinate liposomes was obviously higher than that of ferrous glycinate. The inhibitory effects of phytic acid and zinc on iron absorption were reduced by incorporating ferrous glycinate into liposomes. The particle size of ferrous glycinate liposomes was also a main factor for affecting iron absorption, and the intestinal permeability of the liposomes decreased with its particle size increasing. The results suggested that liposomes could be a potent delivery system to decrease the inhibitory effects of phytic acid and zinc and to enhance iron absorption. Furthermore, liposomes could alter the absorption pathways of ferrous glycinate.
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Saquib Q, Attia SM, Ansari SM, Al-Salim A, Faisal M, Alatar AA, Musarrat J, Zhang X, Al-Khedhairy AA. p53, MAPKAPK-2 and caspases regulate nickel oxide nanoparticles induce cell death and cytogenetic anomalies in rats. Int J Biol Macromol 2017; 105:228-237. [PMID: 28690165 DOI: 10.1016/j.ijbiomac.2017.07.032] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2017] [Revised: 07/03/2017] [Accepted: 07/05/2017] [Indexed: 12/15/2022]
Abstract
The unique properties of nickel oxide nanoparticles (NiO-NPs) distinguish it from traditional nickel containing materials, and enable its industrial application as an advanced nanomaterial. Despite the benefits, the in vivo toxicological studies on NiO-NPs have been mainly focused on its pulmonary pathology. However, NiO-NPs exposure via oral route and its subsequent toxic effects in exposed animals are still lacking. Hence, we evaluated the NiO-NPs oral toxicity in male Wistar rats. NiO-NPs induced significant increase in chromosomal aberrations (CAs), micronuclei (MN) formation and, DNA damage in rats. Flow cytometric analysis showed apoptosis, ROS generation and dysfunction of mitochondrial membrane potential (ΔΨm). Imbalance of antioxidant enzymes, along with histological alterations was found in liver. Taking together, these results unequivocally suggested that NiO-NPs induced toxicity was through cyto-genetic alterations, oxidative stress, apoptosis and liver toxicity. The western blotting data validated the interplay of p53 and MAPKAPK-2 signalling via activation of caspases 8, 3, cyto c, pro-apoptotic bax and anti-apoptotic bcl-2 proteins.
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Affiliation(s)
- Quaiser Saquib
- Zoology Department, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia; A.R. Al-Jeraisy Chair for DNA Research, Zoology Department, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia.
| | - Sabry M Attia
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, PO Box 2457, Riyadh, 11451, Saudi Arabia
| | - Sabiha M Ansari
- Department of Botany & Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Abdullah Al-Salim
- Zoology Department, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Mohammad Faisal
- Department of Botany & Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Abdulrahman A Alatar
- Department of Botany & Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Javed Musarrat
- School of Biosciences and Biodiversity, Baba Ghulam Shah Badshah University, Rajouri, Jammu and Kashmir, India; Department of Agricultural Microbiology, Faculty of Agricultural Sciences, Aligarh Muslim University, Aligarh, 202002 UP, India
| | - Xiaowei Zhang
- State Key Laboratory of Pollution Control & Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, China
| | - Abdulaziz A Al-Khedhairy
- Zoology Department, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
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Chinde S, Dumala N, Rahman MF, Kamal SSK, Kumari SI, Mahboob M, Grover P. Toxicological assessment of tungsten oxide nanoparticles in rats after acute oral exposure. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:13576-13593. [PMID: 28391461 DOI: 10.1007/s11356-017-8892-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2016] [Accepted: 03/20/2017] [Indexed: 06/07/2023]
Abstract
Advances in and the rapid growth of the nanotechnology sector have escalated manufacture of nanoparticles (NPs), resulting in a significant increase in the probability of exposure of humans and wildlife to these materials. Many NPs have been found to exert genotoxicity. Therefore, genotoxicity studies are mandatory to assess the toxicity of NPs as a concern of succumbing to genetic diseases and cancers are universal. Tungsten oxide (WO3) NPs are being explored extensively in various fields. However, the toxicological data of WO3 NPs by oral route in mammals is limited. Hence, the goal of the current investigation was to evaluate the acute toxicity of WO3 NPs and microparticles (MPs) after single oral administration with 100, 500 and 1000 mg/kg body weight doses in female Wistar rats. TEM, dynamic light scattering and laser Doppler velocimetry techniques were used to characterise the particles. The genotoxicity studies were conducted using comet, micronucleus and chromosomal aberration assays. Alterations in biochemical indices and metal distribution in various organs were also evaluated. The mean size of WO3 NPs and MPs by TEM was 53.2 ± 1.91 nm and 5.17 ± 3.18 μm, respectively. The results revealed a significant increase in DNA damage and micronuclei and chromosomal aberrations after exposure to 1000 mg/kg dose of WO3 NPs. Significant alterations in aspartate transaminase, alanine transaminase, reduced glutathione, catalase and malondialdehyde levels in serum and liver were found only at the higher dose of WO3 NPs. Tungsten (W) biodistribution was observed in all the tissues in a dose-, time- and organ-dependent manner. In addition, the maximum concentration of W was found in the liver and the least in the brain was observed. The test substances were found to have a relatively low acute toxicity hazard. The data obtained gives preliminary information on the potential toxicity of WO3 NPs and MPs.
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Affiliation(s)
- Srinivas Chinde
- Pharmacology and Toxicology Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, Telangana, 500007, India
- Department of Genetics, Osmania University, Osmania University Main Road, Hyderabad, Telangana, 500007, India
| | - Naresh Dumala
- Pharmacology and Toxicology Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, Telangana, 500007, India
- Academy of Scientific and Innovative Research, CSIR-Indian Institute of Chemical Technology, Hyderabad, Telangana, 500007, India
| | - Mohammed Fazlur Rahman
- Pharmacology and Toxicology Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, Telangana, 500007, India
| | | | - Srinivas Indu Kumari
- Pharmacology and Toxicology Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, Telangana, 500007, India
| | - Mohammed Mahboob
- Pharmacology and Toxicology Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, Telangana, 500007, India
| | - Paramjit Grover
- Pharmacology and Toxicology Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, Telangana, 500007, India.
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Hussain N. Regulatory aspects in the pharmaceutical development of nanoparticle drug delivery systems designed to cross the intestinal epithelium and M-cells. Int J Pharm 2017; 514:15-23. [PMID: 27863658 DOI: 10.1016/j.ijpharm.2016.07.053] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2016] [Revised: 07/21/2016] [Accepted: 07/23/2016] [Indexed: 12/11/2022]
Abstract
This article reviews the field of oral uptake of nanoparticles across the gastrointestinal epithelium for the period 2006-2016. Analysis is conducted from the viewpoint of i) M-cell genetics and model development, ii) drug targeting to Peyer's patches and M-cells, and iii) physicochemical interactions of nanoparticles in the intestinal milieu. In light of these recent developments, regulatory considerations in the development of orally-absorbable nanoparticle drug products are discussed and focused on Module 3.2.P sub-sections of the Common Technical Document. Particular attention is paid to novel excipients, ligands and the non-standard method of manufacture. The novelty of this drug delivery system demands not only a multi-disciplinary scientific and regulatory approach but also a risk-adjusted consideration for a system defined by both processes and specifications. Given the current state of scientific development in the field it is suggested (in the author's personal opinion) that the design of nanoparticulate drug delivery systems should be kept as simple as possible (from a regulatory and manufacturing perspective) and to target the entire gastrointestinal epithelium.
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Affiliation(s)
- Nasir Hussain
- Medicines and Healthcare Products Regulatory Agency, Paediatric Unit, Special Populations Group, Vigilance and Risk Management of Medicines Division, 151 Buckingham Palace Road, London, SW1W 9SZ, United Kingdom.
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In vivo biodistribution of antihyperglycemic biopolymer-based nanoparticles for the treatment of type 1 and type 2 diabetes. Eur J Pharm Biopharm 2017; 113:88-96. [DOI: 10.1016/j.ejpb.2016.11.037] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2016] [Revised: 11/25/2016] [Accepted: 11/30/2016] [Indexed: 01/03/2023]
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50
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Yang H, Yi X, Li L, Ding B. Estimation of the Iron Absorption from Ferrous Glycinate-loaded Solid Lipid Nanoparticles by Rat Everted Intestinal Sac Model. FOOD SCIENCE AND TECHNOLOGY RESEARCH 2017. [DOI: 10.3136/fstr.23.567] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- Hualin Yang
- College of Life Science, Yangtze University
- Edible and medicinal fungi research center, Yangtze University
| | | | - Li Li
- College of Life Science, Yangtze University
- Edible and medicinal fungi research center, Yangtze University
| | - Baomiao Ding
- College of Life Science, Yangtze University
- Edible and medicinal fungi research center, Yangtze University
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