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Yang C, Sharma K, Mow RJ, Bolay E, Srinivasan A, Merlin D. Unleashing the Potential of Oral Deliverable Nanomedicine in the Treatment of Inflammatory Bowel Disease. Cell Mol Gastroenterol Hepatol 2024; 18:101333. [PMID: 38490294 PMCID: PMC11176790 DOI: 10.1016/j.jcmgh.2024.03.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2023] [Revised: 03/07/2024] [Accepted: 03/07/2024] [Indexed: 03/17/2024]
Abstract
Inflammatory bowel disease (IBD), marked by chronic gastrointestinal tract inflammation, poses a significant global medical challenge. Current treatments for IBD, including corticosteroids, immunomodulators, and biologics, often require frequent systemic administration through parenteral delivery, leading to nonspecific drug distribution, suboptimal therapeutic outcomes, and adverse effects. There is a pressing need for a targeted drug delivery system to enhance drug efficacy and minimize its systemic impact. Nanotechnology emerges as a transformative solution, enabling precise oral drug delivery to inflamed intestinal tissues, reducing off-target effects, and enhancing therapeutic efficiency. The advantages include heightened bioavailability, sustained drug release, and improved cellular uptake. Additionally, the nano-based approach allows for the integration of theranostic elements, enabling simultaneous diagnosis and treatment. Recent preclinical advances in oral IBD treatments, particularly with nanoformulations such as functionalized polymeric and lipid nanoparticles, demonstrate remarkable cell-targeting ability and biosafety, promising to overcome the limitations of conventional therapies. These developments signify a paradigm shift toward personalized and effective oral IBD management. This review explores the potential of oral nanomedicine to enhance IBD treatment significantly, focusing specifically on cell-targeting oral drug delivery system for potential use in IBD management. We also examine emerging technologies such as theranostic nanoparticles and artificial intelligence, identifying avenues for the practical translation of nanomedicines into clinical applications.
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Affiliation(s)
- Chunhua Yang
- Institute for Biomedical Sciences, Center for Diagnostics and Therapeutics, Digestive Disease Research Group, Georgia State University, Atlanta, Georgia; Gastroenterology Research, Atlanta Veterans Affairs Medical Center, Decatur, Georgia.
| | - Kripa Sharma
- Institute for Biomedical Sciences, Center for Diagnostics and Therapeutics, Digestive Disease Research Group, Georgia State University, Atlanta, Georgia
| | - Rabeya Jafrin Mow
- Institute for Biomedical Sciences, Center for Diagnostics and Therapeutics, Digestive Disease Research Group, Georgia State University, Atlanta, Georgia
| | - Eunice Bolay
- Department of Chemistry, College of Arts and Sciences, Georgia State University, Atlanta, Georgia
| | - Anand Srinivasan
- Department of Computer Science, Yale University, New Haven, Connecticut
| | - Didier Merlin
- Institute for Biomedical Sciences, Center for Diagnostics and Therapeutics, Digestive Disease Research Group, Georgia State University, Atlanta, Georgia; Gastroenterology Research, Atlanta Veterans Affairs Medical Center, Decatur, Georgia
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2
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Mehandole A, Mahajan S, Aalhate M, Kumar R, Maji I, Gupta U, Kumar Guru S, Kumar Singh P. Dasatinib loaded mucoadhesive lecithin-chitosan hybrid nanoparticles for its augmented oral delivery, in-vitro efficacy and safety. Int J Pharm 2024; 651:123784. [PMID: 38185340 DOI: 10.1016/j.ijpharm.2024.123784] [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: 07/27/2023] [Revised: 12/13/2023] [Accepted: 01/03/2024] [Indexed: 01/09/2024]
Abstract
Dasatinib (DAS) is an oral tyrosine kinase inhibitor; however, its efficacy is significantly subsided by its low oral bioavailability. The present research aimed to improve DAS's oral delivery and efficacy in triple-negative breast cancer by fabricating its mucoadhesive lecithin-chitosan hybrid nanoparticles (DAS-L/CS-NPs). DAS-L/CS-NPs were optimized using Box-Behnken design which showed mean particle size and percent entrapment efficiency of 179.7 ± 5.42 nm and 64.65 ± 0.06 %, respectively. DAS-L/CS-NPs demonstrated sustained release profile in different release media up to 48 h and showed 10 times higher apparent permeability coefficient and flux than free DAS suspension. The binding of DAS-L/CS-NPs to the mucus layer was demonstrated via ex-vivo mucoadhesion study and change in absorbance using turbidimetry. In cell culture studies, DAS-L/CS-NPs revealed a 4.14-fold decrease in IC50, significantly higher cellular uptake and mitochondrial membrane depolarization, 3.82-fold increased reactive oxygen species generation and 2.10-fold enhanced apoptosis in MDA-MB-231 cells than free DAS. In in-vivo pharmacokinetic assessment, DAS-L/CS-NPs showed a 5.08-fold and 3.74-fold rise in AUC (0-t) and Cmax than free DAS suspension, respectively. An acute toxicity study revealed a good safety profile of DAS-L/CS-NPs. In a nutshell, proposed hybrid nanoparticles are promising carriers for improved oral delivery of poorly water-soluble drugs.
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Affiliation(s)
- Arti Mehandole
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad 500037, India
| | - Srushti Mahajan
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad 500037, India
| | - Mayur Aalhate
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad 500037, India
| | - Rahul Kumar
- Department of Biological Sciences, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad 500037, India
| | - Indrani Maji
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad 500037, India
| | - Ujala Gupta
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad 500037, India
| | - Santosh Kumar Guru
- Department of Biological Sciences, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad 500037, India
| | - Pankaj Kumar Singh
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad 500037, India.
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Tang Y, Li L. The Application of Nanovaccines in Autoimmune Diseases. Int J Nanomedicine 2024; 19:367-388. [PMID: 38229706 PMCID: PMC10790641 DOI: 10.2147/ijn.s440612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Accepted: 01/05/2024] [Indexed: 01/18/2024] Open
Abstract
Autoimmune diseases are diseases caused by the body's chronic immune responses to self-antigens and attacks on the host's own cells, tissues and organs. The dysfunction of innate immunity and adaptive immunity leads to the destruction of autoimmune tolerance, which is the most basic factor leading to pathogenesis. The optimal strategy for autoimmune diseases is to modify the host immune system to restore tolerance. The ideal effect of therapeutic autoimmune diseases is to eliminate the autoantigen-specific spontaneous immune response without interfering with the immune response against other antigens. Therapeutic nanovaccines that produce immune tolerance conform to this principle. Nanomaterials provide a platform for antigen loading and modification due to their unique physical and chemical properties. Nanovaccines based on nanomaterial technology can simultaneously enable antigens and adjuvants to be absorbed by immune cells and induce rapid and durable immunity. Nanovaccines have the advantages of being able to be designed and loaded and of better protecting antigens from premature degradation. Nanovaccines also have the ability to target specific tissues or cells through optimized design. We review the latest research progress of nanovaccines for autoimmune diseases and the design strategies of nanovaccines to promote the development of more effective nanovaccines for autoimmune diseases.
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Affiliation(s)
- Yuhong Tang
- Department of Dermatology, People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, People's Republic of China
| | - Lili Li
- Department of Dermatology, People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, People's Republic of China
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Yen YW, Lee YL, Yu LY, Li CE, Shueng PW, Chiu HC, Lo CL. Fucoidan/chitosan layered PLGA nanoparticles with melatonin loading for inducing intestinal absorption and addressing triple-negative breast cancer progression. Int J Biol Macromol 2023; 250:126211. [PMID: 37562466 DOI: 10.1016/j.ijbiomac.2023.126211] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 06/20/2023] [Accepted: 08/05/2023] [Indexed: 08/12/2023]
Abstract
Melatonin and fucoidan are naturally active compounds that have been reported to have therapeutic benefits for patients receiving cancer treatment. However, both compounds face significant challenges, including physical, chemical, and biological metabolisms in the gastrointestinal tract, which limit their ability to achieve therapeutic concentrations at the tumor site. Furthermore, the effectiveness of melatonin and fucoidan as adjuvants in vivo is influenced by the route of administration through the digestive system and their accumulation at the endpoint of the tumor. In this study, we developed an oral administration of nanoparticle, MNPs@C@F, that consisted of PLGA nanoparticles modified with chitosan, to promote intestinal microfold cell transcytosis for the delivery of melatonin and fucoidan into tumors. The experimental results indicated that melatonin and fucoidan in the tumors could regulate the tumor microenvironment by decreasing P-gp, Twist, HIF-1α, and anti-inflammatory immune cell expression, and increasing cytotoxic T cell populations following doxorubicin treatment. This resulted in an increase in chemo-drug sensitivity, inhibition of distant organ metastasis, and promotion of immunogenic cell death. This study demonstrates a favorable co-delivery system of melatonin and fucoidan to directly reduce drug resistance and metastasis in TNBC.
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Affiliation(s)
- Yu-Wei Yen
- Department of Biomedical Engineering, National Yang Ming Chiao Tung University, Taipei 112, Taiwan, ROC
| | - Yi-Lin Lee
- Department of Biomedical Engineering, National Yang Ming Chiao Tung University, Taipei 112, Taiwan, ROC
| | - Lu-Yi Yu
- Department of Biomedical Engineering, National Yang Ming Chiao Tung University, Taipei 112, Taiwan, ROC
| | - Cheng-En Li
- Department of Biomedical Engineering, National Yang Ming Chiao Tung University, Taipei 112, Taiwan, ROC
| | - Pei-Wei Shueng
- Division of Radiation Oncology, Department of Radiology, Far Eastern Memorial Hospital, New Taipei City 220, Taiwan, ROC; Faculty of Medicine, School of Medicine, National Yang Ming Chiao Tung University, Taipei 112, Taiwan, ROC
| | - Hsin-Cheng Chiu
- Department of Biomedical Engineering and Environmental Sciences, National Tsing-Hua University, Hsinchu 300, Taiwan, ROC
| | - Chun-Liang Lo
- Department of Biomedical Engineering, National Yang Ming Chiao Tung University, Taipei 112, Taiwan, ROC; Medical Device Innovation and Translation Center, National Yang Ming Chiao Tung University, Taipei 112, Taiwan, ROC.
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Ejazi SA, Louisthelmy R, Maisel K. Mechanisms of Nanoparticle Transport across Intestinal Tissue: An Oral Delivery Perspective. ACS NANO 2023. [PMID: 37410891 DOI: 10.1021/acsnano.3c02403] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/08/2023]
Abstract
Oral drug administration has been a popular choice due to patient compliance and limited clinical resources. Orally delivered drugs must circumvent the harsh gastrointestinal (GI) environment to effectively enter the systemic circulation. The GI tract has a number of structural and physiological barriers that limit drug bioavailability including mucus, the tightly regulated epithelial layer, immune cells, and associated vasculature. Nanoparticles have been used to enhance oral bioavailability of drugs, as they can act as a shield to the harsh GI environment and prevent early degradation while also increasing uptake and transport of drugs across the intestinal epithelium. Evidence suggests that different nanoparticle formulations may be transported via different intracellular mechanisms to cross the intestinal epithelium. Despite the existence of a significant body of work on intestinal transport of nanoparticles, many key questions remain: What causes the poor bioavailability of the oral drugs? What factors contribute to the ability of a nanoparticle to cross different intestinal barriers? Do nanoparticle properties such as size and charge influence the type of endocytic pathways taken? In this Review, we summarize the different components of intestinal barriers and the types of nanoparticles developed for oral delivery. In particular, we focus on the various intracellular pathways used in nanoparticle internalization and nanoparticle or cargo translocation across the epithelium. Understanding the gut barrier, nanoparticle characteristics, and transport pathways may lead to the development of more therapeutically useful nanoparticles as drug carriers.
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Affiliation(s)
- Sarfaraz Ahmad Ejazi
- Fischell Department of Bioengineering, University of Maryland, 3120 A. James Clark Hall, College Park, Maryland 20742, United States
| | - Rebecca Louisthelmy
- Fischell Department of Bioengineering, University of Maryland, 3120 A. James Clark Hall, College Park, Maryland 20742, United States
| | - Katharina Maisel
- Fischell Department of Bioengineering, University of Maryland, 3120 A. James Clark Hall, College Park, Maryland 20742, United States
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Park JI, Cho SW, Kang JH, Park TE. Intestinal Peyer's Patches: Structure, Function, and In Vitro Modeling. Tissue Eng Regen Med 2023; 20:341-353. [PMID: 37079198 PMCID: PMC10117255 DOI: 10.1007/s13770-023-00543-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 02/21/2023] [Accepted: 04/06/2023] [Indexed: 04/21/2023] Open
Abstract
BACKGOUND Considering the important role of the Peyer's patches (PPs) in gut immune balance, understanding of the detailed mechanisms that control and regulate the antigens in PPs can facilitate the development of immune therapeutic strategies against the gut inflammatory diseases. METHODS In this review, we summarize the unique structure and function of intestinal PPs and current technologies to establish in vitro intestinal PP system focusing on M cell within the follicle-associated epithelium and IgA+ B cell models for studying mucosal immune networks. Furthermore, multidisciplinary approaches to establish more physiologically relevant PP model were proposed. RESULTS PPs are surrounded by follicle-associated epithelium containing microfold (M) cells, which serve as special gateways for luminal antigen transport across the gut epithelium. The transported antigens are processed by immune cells within PPs and then, antigen-specific mucosal immune response or mucosal tolerance is initiated, depending on the response of underlying mucosal immune cells. So far, there is no high fidelity (patho)physiological model of PPs; however, there have been several efforts to recapitulate the key steps of mucosal immunity in PPs such as antigen transport through M cells and mucosal IgA responses. CONCLUSION Current in vitro PP models are not sufficient to recapitulate how mucosal immune system works in PPs. Advanced three-dimensional cell culture technologies would enable to recapitulate the function of PPs, and bridge the gap between animal models and human.
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Affiliation(s)
- Jung In Park
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology, Ulsan, 44919, South Korea
| | - Seung Woo Cho
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology, Ulsan, 44919, South Korea
| | - Joo H Kang
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology, Ulsan, 44919, South Korea
| | - Tae-Eun Park
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology, Ulsan, 44919, South Korea.
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Nguyen NH, Chak V, Keller K, Wu H, Balu-Iyer SV. Phosphatidylserine-mediated oral tolerance. Cell Immunol 2023; 384:104660. [PMID: 36586393 PMCID: PMC11034824 DOI: 10.1016/j.cellimm.2022.104660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 12/09/2022] [Accepted: 12/21/2022] [Indexed: 12/26/2022]
Abstract
Phosphatidylserine (PS) is an anionic phospholipid exposed on the surface of apoptotic cells. The exposure of PS typically recruits and signals phagocytes to engulf and silently clear these dying cells to maintain tolerance via immunological ignorance. However, recent and emerging evidence has demonstrated that PS converts an "immunogen" into a "tolerogen", and PS exposure on the surface of cells or vesicles actively promotes a tolerogenic environment. This tolerogenic property depends on the biophysical characteristics of PS-containing vesicles, including PS density on the particle surface to effectively engage tolerogenic receptors, such as TIM-4, which is exclusively expressed on the surface of antigen-presenting cells. We harnessed the cellular and molecular mechanistic insight of PS-mediated immune regulation to design an effective oral tolerance approach. This immunotherapy has been shown to prevent/reduce immune response against life-saving protein-based therapies, food allergens, autoantigens, and the antigenic viral capsid peptide commonly used in gene therapy, suggesting a broad spectrum of potential clinical applications. Given the good safety profile of PS together with the ease of administration, oral tolerance achieved with PS-based nanoparticles has a very promising therapeutic impact.
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Affiliation(s)
| | - Vincent Chak
- Department of Pharmaceutical Sciences, School of Pharmacy and Pharmaceutical Sciences, University at Buffalo, Buffalo, NY, USA
| | - Katherine Keller
- Department of Pharmaceutical Sciences, School of Pharmacy and Pharmaceutical Sciences, University at Buffalo, Buffalo, NY, USA
| | - Helen Wu
- Department of Pharmaceutical Sciences, School of Pharmacy and Pharmaceutical Sciences, University at Buffalo, Buffalo, NY, USA
| | - Sathy V Balu-Iyer
- Department of Pharmaceutical Sciences, School of Pharmacy and Pharmaceutical Sciences, University at Buffalo, Buffalo, NY, USA.
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Carton F, Malatesta M. Assessing the interactions between nanoparticles and biological barriers in vitro: a new challenge for microscopy techniques in nanomedicine. Eur J Histochem 2022; 66. [DOI: 10.4081/ejh.2022.3603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 11/17/2022] [Indexed: 11/25/2022] Open
Abstract
Nanoconstructs intended to be used as biomedical tool must be assessed for their capability to cross biological barriers. However, studying in vivo the permeability of biological barriers to nanoparticles is quite difficult due to the many structural and functional factors involved. Therefore, the in vitro modeling of biological barriers -2D cell monocultures, 2D/3D cell co-cultures, microfluidic devices- is gaining more and more relevance in nanomedical research. Microscopy techniques play a crucial role in these studies, as they allow both visualizing nanoparticles inside the biological barrier and evaluating their impact on the barrier components. This paper provides an overview of the various microscopical approaches used to investigate nanoparticle translocation through in vitro biological barrier models. The high number of scientific articles reported highlights the great contribution of the morphological and histochemical approach to the knowledge of the dynamic interactions between nanoconstructs and the living environment.
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Khademi Z, Ramezani M, Alibolandi M, Zirak MR, Salmasi Z, Abnous K, Taghdisi SM. A novel dual-targeting delivery system for specific delivery of CRISPR/Cas9 using hyaluronic acid, chitosan and AS1411. Carbohydr Polym 2022; 292:119691. [PMID: 35725215 DOI: 10.1016/j.carbpol.2022.119691] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 05/13/2022] [Accepted: 05/31/2022] [Indexed: 11/18/2022]
Abstract
A facile method was designed that can specifically deliver CRISPR/Cas9 into target cells nuclei and reduce the off-target effects. A multifunctional delivery vector for FOXM1 knockout was composed by integration of cell targeting polymer (hyaluronic acid) and cell and nuclear targeting group (AS1411 aptamer) on the surface of nanoparticles formed by genome editing plasmid and chitosan (CS) as the core (Apt-HA-CS-CRISPR/Cas9). The data of cytotoxicity experiment and western blot confirmed this issue. The results of flow cytometry analysis and fluorescence imaging demonstrated that Apt-HA-CS-CRISPR/Cas9 was significantly internalized into target cells (MCF-7, SK-MES-1, HeLa) but not into nontarget cells (HEK293). Furthermore, the in vivo studies displayed that the Apt-HA-CS-CRISPR/Cas9 was strongly rendered tumor inhibitory effect and delivered efficiently CRISPR/Cas9 into the tumor with no detectable distribution in other organs compared with naked plasmid. This approach provides an avenue for specific in vivo gene editing therapeutics with the lowest side effect.
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Affiliation(s)
- Zahra Khademi
- Department of Pharmaceutical Biotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohammad Ramezani
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mona Alibolandi
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohammad Reza Zirak
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Zahra Salmasi
- Nanotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Khalil Abnous
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Medicinal Chemistry, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
| | - Seyed Mohammad Taghdisi
- Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.
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In Vitro Models of Biological Barriers for Nanomedical Research. Int J Mol Sci 2022; 23:ijms23168910. [PMID: 36012181 PMCID: PMC9408841 DOI: 10.3390/ijms23168910] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 08/06/2022] [Accepted: 08/08/2022] [Indexed: 12/13/2022] Open
Abstract
Nanoconstructs developed for biomedical purposes must overcome diverse biological barriers before reaching the target where playing their therapeutic or diagnostic function. In vivo models are very complex and unsuitable to distinguish the roles plaid by the multiple biological barriers on nanoparticle biodistribution and effect; in addition, they are costly, time-consuming and subject to strict ethical regulation. For these reasons, simplified in vitro models are preferred, at least for the earlier phases of the nanoconstruct development. Many in vitro models have therefore been set up. Each model has its own pros and cons: conventional 2D cell cultures are simple and cost-effective, but the information remains limited to single cells; cell monolayers allow the formation of cell–cell junctions and the assessment of nanoparticle translocation across structured barriers but they lack three-dimensionality; 3D cell culture systems are more appropriate to test in vitro nanoparticle biodistribution but they are static; finally, bioreactors and microfluidic devices can mimicking the physiological flow occurring in vivo thus providing in vitro biological barrier models suitable to reliably assess nanoparticles relocation. In this evolving context, the present review provides an overview of the most representative and performing in vitro models of biological barriers set up for nanomedical research.
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Wu H, Guo T, Nan J, Yang L, Liao G, Park HJ, Li J. Hyaluronic Acid Coated Chitosan Nanoparticles for Insulin Oral Delivery: Fabrication, Characterization and Hypoglycemic Ability. Macromol Biosci 2022; 22:e2100493. [PMID: 35182103 DOI: 10.1002/mabi.202100493] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Revised: 01/30/2022] [Indexed: 11/06/2022]
Abstract
Oral administration of insulin faces multiple biological challenges, such as varied digestive environments, mucin exclusion and low epithelial cells absorption. In the present study, a hyaluronic acid coated chitosan nanoparticle delivery system was fabricated for insulin oral delivery. It is hypothesized that the developed nanoparticles will protect insulin from digestive degradation, promote intestinal epithelial cell absorption and exert strong in vivo hyperglycemic ability. Nanoparticles formulated by chitosan (CS) and sodium tripolyphosphate (TPP) was optimized to form the core nanoparticles (CNP). Hyaluronic acid (HA) was further applied to coat CNP (HCP) to improve stability, reduce enzymatic degradation and promote absorption of insulin. HCP promoted insulin uptake by Caco-2 cells, absorbed less mucin and improved intestinal absorption. Moreover, in vivo test demonstrated that oral administration of insulin-loaded HCP exerts strong and continuous hyperthermia effect (with PA of 13.8%). In summary, HCP is a promising delivery platform for insulin oral administration in terms of protecting insulin during digestion, facilitating its absorption and ultimately promoting its oral bioavailability. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Haishan Wu
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, 230009, China.,Engineering Research Center of Bio-process, Ministry of Education, Hefei University of Technology, Hefei, 230009, China
| | - Ting Guo
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, 230009, China.,Engineering Research Center of Bio-process, Ministry of Education, Hefei University of Technology, Hefei, 230009, China
| | - Jian Nan
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, 230009, China.,Engineering Research Center of Bio-process, Ministry of Education, Hefei University of Technology, Hefei, 230009, China
| | - Liu Yang
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, 230009, China.,Engineering Research Center of Bio-process, Ministry of Education, Hefei University of Technology, Hefei, 230009, China
| | - Guangfu Liao
- Engineering Research Center of Nano-Geomaterials of Ministry of Education, China University of Geosciences, Wuhan, 430074, China
| | - Hyun Jin Park
- School of Life Sciences and Biotechnology, Korea University, Seoul, South of Korea
| | - Jinglei Li
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, 230009, China.,Engineering Research Center of Bio-process, Ministry of Education, Hefei University of Technology, Hefei, 230009, China
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12
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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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13
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Striga angustifolia mediated synthesis of silver nanoparticles: Anti-microbial, antioxidant and anti-proliferative activity in apoptotic p53 signalling pathway. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2021.102945] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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14
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Cheng H, Cui Z, Guo S, Zhang X, Huo Y, Mao S. Mucoadhesive versus mucopenetrating nanoparticles for oral delivery of insulin. Acta Biomater 2021; 135:506-519. [PMID: 34487859 DOI: 10.1016/j.actbio.2021.08.046] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 08/18/2021] [Accepted: 08/27/2021] [Indexed: 12/29/2022]
Abstract
Mucoadhesive and mucopenetrating nanoparticles are commonly designed to improve mucosal drug delivery efficiency. Herein, in order to better understand the contribution of mucoadhesion and mucopenetration in oral delivery of biomacromolecules, insulin-loaded poly (n-butylcyanoacrylate) nanoparticles (Ins/PBCA NPs) with different coating layers, chitosan (CS) or alginate (Alg), were designed and their different absorption enhancing mechanisms were explored. It was demonstrated that both the mucoadhesive (Ins/PBCA/CS) and the mucopenetrating (Ins/PBCA/CS/Alg) nanoparticles showed good stability and similar release profiles in the gastrointestinal fluid, the mucoadhesive nanoparticles presented an enrichment in mucus (70%, 10 min) while most of the mucopenetrating nanoparticles penetrated through the mucus (80%, 10 min). Uptake mechanism studies revealed clathrin- and caveolae-mediated endocytosis were mainly involved in the intestinal transport of mucoadhesive nanoparticles while caveolae-mediated endocytosis and macropinocytosis contributed to the absorption of mucopenetrating nanoparticles, and especially, M cells favored the absorption of mucoadhesive nanoparticles. In vivo studies revealed that the mucopenetrating nanoparticles had a fast onset of action while the mucoadhesive nanoparticles presented a sustained hypoglycemic effect in diabetic rats, and overall no significant difference in pharmacological availability was found between the mucopenetrating (8.80%) and mucoadhesive nanoparticles (8.44%). To sum up, due to the varied absorption mechanism in intestine, the mucoadhesive nanoparticles designed herein had a comparable effect in enhancing oral insulin absorption compared with the mucopenetrating nanoparticles. STATEMENT OF SIGNIFICANCE: In order to improve oral delivery efficiency of insulin, insulin-loaded nanoparticles with opposite properties namely mucoadhesion and mucopenetration have been widely developed to either prolong their residence at the absorption site or improve their penetration across mucus. However, their individual contribution in oral insulin absorption is still unclear. In this paper, insulin-loaded poly (n-butylcyanoacrylate) nanoparticles with both properties were designed via different surface coating and their absorption enhancing mechanisms were explored. It was demonstrated that the mucoadhesive and mucopenetrating nanoparticles showed varied retention and mucus-penetration ability in mucus, with different absorption mechanism in intestine, but no statistical difference in pharmacological availability was found between them. Overall, the present work provides us a guidance for the design of oral nano-delivery system.
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Affiliation(s)
- Hongbo Cheng
- School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, China
| | - Zhixiang Cui
- School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, China
| | - Shuang Guo
- School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, China
| | - Xin Zhang
- School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, China
| | - Yingnan Huo
- School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, China
| | - Shirui Mao
- School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, China.
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McCright J, Ramirez A, Amosu M, Sinha A, Bogseth A, Maisel K. Targeting the Gut Mucosal Immune System Using Nanomaterials. Pharmaceutics 2021; 13:pharmaceutics13111755. [PMID: 34834170 PMCID: PMC8619927 DOI: 10.3390/pharmaceutics13111755] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 10/12/2021] [Accepted: 10/15/2021] [Indexed: 12/20/2022] Open
Abstract
The gastrointestinal (GI) tract is one the biggest mucosal surface in the body and one of the primary targets for the delivery of therapeutics, including immunotherapies. GI diseases, including, e.g., inflammatory bowel disease and intestinal infections such as cholera, pose a significant public health burden and are on the rise. Many of these diseases involve inflammatory processes that can be targeted by immune modulatory therapeutics. However, nonspecific targeting of inflammation systemically can lead to significant side effects. This can be avoided by locally targeting therapeutics to the GI tract and its mucosal immune system. In this review, we discuss nanomaterial-based strategies targeting the GI mucosal immune system, including gut-associated lymphoid tissues, tissue resident immune cells, as well as GI lymph nodes, to modulate GI inflammation and disease outcomes, as well as take advantage of some of the primary mechanisms of GI immunity such as oral tolerance.
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16
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Xu Y, Shrestha N, Préat V, Beloqui A. An overview of in vitro, ex vivo and in vivo models for studying the transport of drugs across intestinal barriers. Adv Drug Deliv Rev 2021; 175:113795. [PMID: 33989702 DOI: 10.1016/j.addr.2021.05.005] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Revised: 05/05/2021] [Accepted: 05/07/2021] [Indexed: 12/13/2022]
Abstract
Oral administration is the most commonly used route for drug delivery owing to its cost-effectiveness, ease of administration, and high patient compliance. However, the absorption of orally delivered compounds is a complex process that greatly depends on the interplay between the characteristics of the drug/formulation and the gastrointestinal tract. In this contribution, we review the different preclinical models (in vitro, ex vivo and in vivo) from their development to application for studying the transport of drugs across intestinal barriers. This review also discusses the advantages and disadvantages of each model. Furthermore, the authors have reviewed the selection and validation of these models and how the limitations of the models can be addressed in future investigations. The correlation and predictability of the intestinal transport data from the preclinical models and human data are also explored. With the increasing popularity and prevalence of orally delivered drugs/formulations, sophisticated preclinical models with higher predictive capacity for absorption of oral formulations used in clinical studies will be needed.
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Affiliation(s)
- Yining Xu
- University of Louvain, Louvain Drug Research Institute, Advanced Drug Delivery and Biomaterials, Avenue Mounier 73 B1.73.12, 1200 Brussels, Belgium.
| | - Neha Shrestha
- University of Louvain, Louvain Drug Research Institute, Advanced Drug Delivery and Biomaterials, Avenue Mounier 73 B1.73.12, 1200 Brussels, Belgium.
| | - Véronique Préat
- University of Louvain, Louvain Drug Research Institute, Advanced Drug Delivery and Biomaterials, Avenue Mounier 73 B1.73.12, 1200 Brussels, Belgium.
| | - Ana Beloqui
- University of Louvain, Louvain Drug Research Institute, Advanced Drug Delivery and Biomaterials, Avenue Mounier 73 B1.73.12, 1200 Brussels, Belgium.
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17
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Li Y, Zhu Y, Sha T, Chen Z, Yu M, Zhang F, Ding J. A Multi-Epitope Chitosan Nanoparticles Vaccine of Canine Against Echinococcus granulosus. J Biomed Nanotechnol 2021; 17:910-920. [PMID: 34082876 DOI: 10.1166/jbn.2021.3065] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Cystic Echinococcosis (CE) is caused by Echinococcus granulosus (Eg), which endangers the health of the intermediate host. Therefore, effective canid vaccines against Eg infection are urgently needed to reduce the incidence of this disease. In the present work, the aim was to predict epitopes in four vaccine candidate antigens (VCAs) in Eg as a basis to design a multi-epitope canine-directed vaccine. This vaccine is based on chitosan nanoparticles (CS-NPs) and is directed against Eg infection in the definitive host. The canine-directed vaccine was designed based on Eg antigens EgM9, Eg_10196, EgA31 and EgG1Y162. Several tools in online servers were used to predict VCAs information, which was combined with B cell, CTL and Th epitopes. Considering that acquiring experimental information in canids is difficult, and that it may be possible to perform future experiments in mice, we predicted both canine and murine T cell epitopes. The multi-epitope vaccine was synthetically prepared by ionic crosslinking method, and CS-NPs was used as adjuvant. The mice were immunized by oral gavage and laser scanning confocal microscopy was used to localize the fluorescein- labeled multi-epitope peptide in the intestinal tract. The final multi-epitope vaccine was construct consist of Co1 targeting peptide, four B-cell epitopes, four canine-directed CTL epitopes and four murine-directed Th epitopes. It has been proven experimentally by this research that multi-epitope antigen concentration merged with microfold cells was high in the CS-NPs vaccine group. The present bioinformatics study is a first step towards the construction of a canine-specific multiepitope vaccine against Eg with twelve predicted epitopes. CS-NPs is a potential adjuvant with relatively safe penetration enhancement delivery and a potent immunostimulant.
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Affiliation(s)
- Yujiao Li
- School of Public Health, Xinjiang Medical University, Xinjiang 830011, PR China
| | - Yuejie Zhu
- Department of Blood Transfusion, The First Affiliated Hospital of Xinjiang Medical University, Xinjiang 830011, PR China
| | - Tong Sha
- Department of Immunology, College of Basic Medicine, Xinjiang Medical University, Xinjiang 830011, PR China
| | - Zhiqiang Chen
- Department of Immunology, College of Basic Medicine, Xinjiang Medical University, Xinjiang 830011, PR China
| | - Mingkai Yu
- Department of Immunology, College of Basic Medicine, Xinjiang Medical University, Xinjiang 830011, PR China
| | - Fengbo Zhang
- Department of Clinical Laboratory, The First Affiliated Hospital of Xinjiang Medical University, Xinjiang 830011, PR China
| | - Jianbing Ding
- Department of Immunology, College of Basic Medicine, Xinjiang Medical University, Xinjiang 830011, PR China
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18
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Sivanesan I, Muthu M, Gopal J, Hasan N, Kashif Ali S, Shin J, Oh JW. Nanochitosan: Commemorating the Metamorphosis of an ExoSkeletal Waste to a Versatile Nutraceutical. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:821. [PMID: 33806968 PMCID: PMC8005131 DOI: 10.3390/nano11030821] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 03/16/2021] [Accepted: 03/17/2021] [Indexed: 12/20/2022]
Abstract
Chitin (poly-N-acetyl-D-glucosamine) is the second (after cellulose) most abundant organic polymer. In its deacetylated form-chitosan-becomes a very interesting material for medical use. The chitosan nano-structures whose preparation is described in this article shows unique biomedical value. The preparation of nanochitosan, as well as the most vital biomedical applications (antitumor, drug delivery and other medical uses), have been discussed in this review. The challenges confronting the progress of nanochitosan from benchtop to bedside clinical settings have been evaluated. The need for inclusion of nano aspects into chitosan research, with improvisation from nanotechnological inputs has been prescribed for breaking down the limitations. Future perspectives of nanochitosan and the challenges facing nanochitosan applications and the areas needing research focus have been highlighted.
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Affiliation(s)
- Iyyakkannu Sivanesan
- Department of Bioresources and Food Science, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Korea;
| | - Manikandan Muthu
- Laboratory of Neo Natural Farming, Chunnampet, Tamil Nadu 603 401, India; (M.M.); (J.G.)
| | - Judy Gopal
- Laboratory of Neo Natural Farming, Chunnampet, Tamil Nadu 603 401, India; (M.M.); (J.G.)
| | - Nazim Hasan
- Department of Chemistry, Faculty of Science, Jazan University, Jazan P.O. Box 114, Saudi Arabia; (N.H.); (S.K.A.)
| | - Syed Kashif Ali
- Department of Chemistry, Faculty of Science, Jazan University, Jazan P.O. Box 114, Saudi Arabia; (N.H.); (S.K.A.)
| | - Juhyun Shin
- Department of Stem Cell and Regenerative Biotechnology, Konkuk University, Seoul 05029, Korea;
| | - Jae-Wook Oh
- Department of Stem Cell and Regenerative Biotechnology, Konkuk University, Seoul 05029, Korea;
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19
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Lu W, Nishinari K, Phillips GO, Fang Y. Colloidal nutrition science to understand food-body interaction. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2021.01.037] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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20
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das Neves J, Sverdlov Arzi R, Sosnik A. Molecular and cellular cues governing nanomaterial-mucosae interactions: from nanomedicine to nanotoxicology. Chem Soc Rev 2021; 49:5058-5100. [PMID: 32538405 DOI: 10.1039/c8cs00948a] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Mucosal tissues constitute the largest interface between the body and the surrounding environment and they regulate the access of molecules, supramolecular structures, particulate matter, and pathogens into it. All mucosae are characterized by an outer mucus layer that protects the underlying cells from physicochemical, biological and mechanical insults, a mono-layered or stratified epithelium that forms tight junctions and controls the selective transport of solutes across it and associated lymphoid tissues that play a sentinel role. Mucus is a gel-like material comprised mainly of the glycoprotein mucin and water and it displays both hydrophilic and hydrophobic domains, a net negative charge, and high porosity and pore interconnectivity, providing an efficient barrier for the absorption of therapeutic agents. To prolong the residence time, absorption and bioavailability of a broad spectrum of active compounds upon mucosal administration, mucus-penetrating and mucoadhesive particles have been designed by tuning the chemical composition, the size, the density, and the surface properties. The benefits of utilizing nanomaterials that interact intimately with mucosae by different mechanisms in the nanomedicine field have been extensively reported. To ensure the safety of these nanosystems, their compatibility is evaluated in vitro and in vivo in preclinical and clinical trials. Conversely, there is a growing concern about the toxicity of nanomaterials dispersed in air and water effluents that unintentionally come into contact with the airways and the gastrointestinal tract. Thus, deep understanding of the key nanomaterial properties that govern the interplay with mucus and tissues is crucial for the rational design of more efficient drug delivery nanosystems (nanomedicine) and to anticipate the fate and side-effects of nanoparticulate matter upon acute or chronic exposure (nanotoxicology). This review initially overviews the complex structural features of mucosal tissues, including the structure of mucus, the epithelial barrier, the mucosal-associated lymphatic tissues and microbiota. Then, the most relevant investigations attempting to identify and validate the key particle features that govern nanomaterial-mucosa interactions and that are relevant in both nanomedicine and nanotoxicology are discussed in a holistic manner. Finally, the most popular experimental techniques and the incipient use of mathematical and computational models to characterize these interactions are described.
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Affiliation(s)
- José das Neves
- i3S - Instituto de Investigação e Inovação em Saúde & INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Porto, Portugal
| | - Roni Sverdlov Arzi
- Laboratory of Pharmaceutical Nanomaterials Science, Department of Materials Science and Engineering, Technion-Israel Institute of Technology, De-Jur Building, Office 607, Haifa, 3200003, Israel.
| | - Alejandro Sosnik
- Laboratory of Pharmaceutical Nanomaterials Science, Department of Materials Science and Engineering, Technion-Israel Institute of Technology, De-Jur Building, Office 607, Haifa, 3200003, Israel.
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21
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A comprehensive review of the strategies to improve oral drug absorption with special emphasis on the cellular and molecular mechanisms. J Drug Deliv Sci Technol 2021. [DOI: 10.1016/j.jddst.2020.102178] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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22
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Youhanna S, Lauschke VM. The Past, Present and Future of Intestinal In Vitro Cell Systems for Drug Absorption Studies. J Pharm Sci 2020; 110:50-65. [PMID: 32628951 DOI: 10.1016/j.xphs.2020.07.001] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Revised: 07/02/2020] [Accepted: 07/02/2020] [Indexed: 12/23/2022]
Abstract
The intestinal epithelium acts as a selective barrier for the absorption of water, nutrients and orally administered drugs. To evaluate the gastrointestinal permeability of a candidate molecule, scientists and drug developers have a multitude of cell culture models at their disposal. Static transwell cultures constitute the most extensively characterized intestinal in vitro system and can accurately categorize molecules into low, intermediate and high permeability compounds. However, they lack key aspects of intestinal physiology, including the cellular complexity of the intestinal epithelium, flow, mechanical strain, or interactions with intestinal mucus and microbes. To emulate these features, a variety of different culture paradigms, including microfluidic chips, organoids and intestinal slice cultures have been developed. Here, we provide an updated overview of intestinal in vitro cell culture systems and critically review their suitability for drug absorption studies. The available data show that these advanced culture models offer impressive possibilities for emulating intestinal complexity. However, there is a paucity of systematic absorption studies and benchmarking data and it remains unclear whether the increase in model complexity and costs translates into improved drug permeability predictions. In the absence of such data, conventional static transwell cultures remain the current gold-standard paradigm for drug absorption studies.
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Affiliation(s)
- Sonia Youhanna
- Department of Physiology and Pharmacology, Karolinska Institutet, 171 77 Stockholm, Sweden
| | - Volker M Lauschke
- Department of Physiology and Pharmacology, Karolinska Institutet, 171 77 Stockholm, Sweden.
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23
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Ude VC, Brown DM, Stone V, Johnston HJ. Using 3D gastrointestinal tract in vitro models with microfold cells and mucus secreting ability to assess the hazard of copper oxide nanomaterials. J Nanobiotechnology 2019; 17:70. [PMID: 31113462 PMCID: PMC6530093 DOI: 10.1186/s12951-019-0503-1] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Accepted: 05/17/2019] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND Copper oxide nanomaterials (CuO NMs) are exploited in many products including inks, cosmetics, textiles, wood preservatives and food contact materials. Their incorporation into these products may enhance oral exposure in consumer, environmental and occupational settings. Undifferentiated and differentiated monocultures of Caco-2 cells are commonly used to assess NM toxicity to the intestine in vitro. However, the integration of other cell types into Caco-2 in vitro models increases their physiological relevance. Therefore, the aim of this study is to evaluate the toxicity of CuO NMs and copper sulphate (CuSO4) to intestinal microfold (M) cell (Caco-2/Raji B) and mucus secreting (Caco-2/HT29-MTX) co-culture in vitro models via assessment of their impact on barrier integrity, viability and interleukin (IL)-8 secretion. The translocation of CuO NMs and CuSO4 across the intestinal barrier was also investigated in vitro. RESULTS CuO NMs and CuSO4 impaired the function of the intestinal barrier in the co-culture models [as indicated by a reduction in transepithelial electrical resistance (TEER) and Zonular occludens (ZO-1) staining intensity]. Cu translocation was observed in both models but was greatest in the Caco-2/Raji B co-culture. CuO NMs and CuSO4 stimulated an increase in IL-8 secretion, which was greatest in the Caco-2/HT29-MTX co-culture model. CuO NMs and CuSO4 did not stimulate a loss of cell viability, when assessed using light microscopy, nuclei counts and scanning electron microscopy. CuO NMs demonstrated a relatively similar level of toxicity to CuO4 in both Caco-2/Raji B and Caco-2/HT29-MTX co- culture models. CONCLUSIONS The Caco-2/Raji B co-culture model was more sensitive to CuO NM and CuSO4 toxicity than the Caco-2/HT29-MTX co-culture model. However, both co-culture models were less sensitive to CuO NM and CuSO4 toxicity than simple monocultures of undifferentiated and differentiated Caco-2 cells, which are more routinely used to investigate NM toxicity to the intestine. Obtained data can therefore feed into the design of future studies which assess the toxicity of substances (e.g. NMs) and pathogens to the intestine (e.g. by informing model and endpoint selection). However, more testing with a wider panel of NMs would be beneficial in order to help select which in vitro models and endpoints to prioritise when screening the safety of ingested NMs. Comparisons with in vivo findings will also be essential to identify the most suitable in vitro model to screen the safety of ingested NMs.
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Affiliation(s)
- Victor C. Ude
- Nano Safety Research Group, School of Engineering and Physical Sciences, Institute of Biological Chemistry, Biophysics and Bioengineering, Heriot-Watt University, Edinburgh, EH14 4AS UK
| | - David M. Brown
- Nano Safety Research Group, School of Engineering and Physical Sciences, Institute of Biological Chemistry, Biophysics and Bioengineering, Heriot-Watt University, Edinburgh, EH14 4AS UK
| | - Vicki Stone
- Nano Safety Research Group, School of Engineering and Physical Sciences, Institute of Biological Chemistry, Biophysics and Bioengineering, Heriot-Watt University, Edinburgh, EH14 4AS UK
| | - Helinor J. Johnston
- Nano Safety Research Group, School of Engineering and Physical Sciences, Institute of Biological Chemistry, Biophysics and Bioengineering, Heriot-Watt University, Edinburgh, EH14 4AS UK
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24
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Chitosan-based nanoparticles: An overview of biomedical applications and its preparation. J Drug Deliv Sci Technol 2019. [DOI: 10.1016/j.jddst.2018.10.022] [Citation(s) in RCA: 104] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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25
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Ion-pair approach coupled with nanoparticle formation to increase bioavailability of a low permeability charged drug. Int J Pharm 2018; 557:36-42. [PMID: 30578978 DOI: 10.1016/j.ijpharm.2018.12.038] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Revised: 11/21/2018] [Accepted: 12/13/2018] [Indexed: 12/21/2022]
Abstract
Atenolol is a drug widely used for the treatment of hypertension. However, the great drawback it presents is a low bioavailability after oral administration. To obtain formulations that allow to improve the bioavailability of this drug is a challenge for the pharmaceutical technology. The objective of this work was to increase the rate and extent of intestinal absorption of atenolol as model of a low permeability drug, developing a double technology strategy. To increase atenolol permeability an ion pair with brilliant blue was designed and the sustained release achieved through encapsulation in polymeric nanoparticles (NPs). The in vitro release studies showed a pH-dependent release from NPs, (particle size 437.30 ± 8.92) with a suitable release profile of drug (atenolol) and counter ion (brilliant blue) under intestinal conditions. Moreover, with the in vivo assays, a significant increase (2-fold) of atenolol bioavailability after administering the ion-pair NPs by oral route was observed. In conclusion, the combination of ion-pair plus polymeric NPs have proved to be a simple and very useful approach to achieve a controlled release and to increase the bioavailability of a low permeability charged drugs.
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26
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Zhang H, Bahamondez-Canas TF, Zhang Y, Leal J, Smyth HDC. PEGylated Chitosan for Nonviral Aerosol and Mucosal Delivery of the CRISPR/Cas9 System in Vitro. Mol Pharm 2018; 15:4814-4826. [PMID: 30222933 DOI: 10.1021/acs.molpharmaceut.8b00434] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Chitosan has been widely employed to deliver nucleic acids such as siRNA and plasmids. However, chitosan-mediated delivery of a gene-editing system has not been reported yet. In this study, poly(ethylene glycol) monomethyl ether (mPEG) was conjugated to chitosan with different molecular weights (low molecular weight and medium molecular weight chitosan) achieving a high degree of substitution as identified by Fourier transform infrared spectroscopy (FTIR) and proton nuclear magnetic resonance (1H NMR) spectra. PEGylated chitosan/pSpCas9-2A-GFP nanocomplexes were formed at different N/ P (amine group to phosphate group) ratios and characterized in terms of size and zeta potential. The nanocomplexes developed showed the capability to protect loaded nucleic acids from DNase I digestion and from the stresses of nebulization. In addition, we demonstrated that the PEG conjugation of chitosan improved the mucus-penetration capability of the formed nanocomplexes at N/ P ratios of 5, 10, 20, and 30. Finally, PEGylated low molecular weight chitosan nanocomplexes showed optimal transfection efficiency at an N/ P ratio of 20, while PEGylated medium molecular weight chitosan nanocomplexes showed an optimal transfection efficiency at an N/ P ratio of 5 at pH 6.5 and 6.8. This study established the basis for the delivery of a gene-editing system by PEGylated chitosan nanocomplexes.
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27
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Naskar S, Koutsu K, Sharma S. Chitosan-based nanoparticles as drug delivery systems: a review on two decades of research. J Drug Target 2018; 27:379-393. [PMID: 30103626 DOI: 10.1080/1061186x.2018.1512112] [Citation(s) in RCA: 115] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Chitosan (CS) is one of the most functional natural biopolymer widely used in the pharmaceutical field due to its biocompatibility and biodegradability. These privileges lead to its application in the synthesis of nanoparticles for the drug during the last two decades. This article gives rise to a general review of the different chitosan nanoparticles (CSNPs) preparation techniques: Ionic gelation, emulsion cross-linking, spray-drying, emulsion-droplet coalescence method, nanoprecipitation, reverse micellar method, desolvation method, modified ionic gelation with radial polymerisation and emulsion solvent diffusion, from the point of view of the methodological and mechanistic aspects involved. The physicochemical behaviour of CSNPs including drug loading, drug release, particles size, zeta potential and stability are briefly discussed. This review also directs to bring an outline of the major applications of CSNPs in drug delivery according to drug and route of administration. Finally, derivatives of CSNPs and CS nano-complexes are also discussed.
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Affiliation(s)
- Sweet Naskar
- a Department of Pharmaceutical Technology , Jadavpur University , Kolkata , India
| | - Ketousetuo Koutsu
- a Department of Pharmaceutical Technology , Jadavpur University , Kolkata , India
| | - Suraj Sharma
- a Department of Pharmaceutical Technology , Jadavpur University , Kolkata , India
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28
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Braz L, Grenha A, Corvo MC, Lourenço JP, Ferreira D, Sarmento B, Rosa da Costa AM. Synthesis and characterization of Locust Bean Gum derivatives and their application in the production of nanoparticles. Carbohydr Polym 2018; 181:974-985. [DOI: 10.1016/j.carbpol.2017.11.052] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Revised: 10/26/2017] [Accepted: 11/15/2017] [Indexed: 01/23/2023]
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29
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Atovaquone oral bioavailability enhancement using electrospraying technology. Eur J Pharm Sci 2018; 111:195-204. [PMID: 28974387 DOI: 10.1016/j.ejps.2017.09.051] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2017] [Revised: 09/21/2017] [Accepted: 09/29/2017] [Indexed: 11/22/2022]
Abstract
Atovaquone in combination with proguanil hydrochloride, marketed as Malarone® tablets by GlaxoSmithKline (GSK), is prescribed for the treatment of malaria. High dose and poor bioavailability are the main hurdles associated with atovaquone oral therapy. The present study reports development of atovaquone nanoparticles, using in house designed and fabricated electrospraying equipment, and the assessment of bioavailability and therapeutic efficacy of the nanoparticles after oral administration. Solid nanoparticles of atovaquone were successfully produced by electrospraying and were characterized for particle size and flow properties. Differential Scanning Calorimetry, X-ray Diffraction, Fourier Transform Infrared Spectroscopy studies were also carried out. Atovaquone nanoparticles along with proguanil hydrochloride and a suitable wetting agent were filled in size 2 hard gelatin capsules. The formulation was compared with Malarone® tablets (GSK) and Mepron® suspension (GSK) in terms of in vitro release profile and in vivo pharmacokinetic studies. It showed 2.9-fold and 1.8-fold improved bioavailability in rats compared to Malarone® tablets and Mepron® suspension respectively. Therapeutic efficacy of the formulation was determined using modified Peter's 4-day suppressive tests and clinical simulation studies using Plasmodium berghei ANKA infected Swiss mice and compared to Malarone®. The developed formulation showed a 128-fold dose reduction in the modified Peter's 4-day suppressive tests and 32-fold dose reduction in clinical simulation studies. Given that only one capsule a day of developed formulation is required to be administered orally compared to 4 Malarone® tablets once a day and that too at a significantly reduced dose, this nanoparticle formulation will definitely reduce the side-effects of the treatment and is also likely to increase patient compliance.
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Bouwmeester H, van der Zande M, Jepson MA. Effects of food-borne nanomaterials on gastrointestinal tissues and microbiota. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2018; 10:e1481. [PMID: 28548289 PMCID: PMC5810149 DOI: 10.1002/wnan.1481] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/10/2017] [Revised: 05/02/2017] [Accepted: 05/04/2017] [Indexed: 12/26/2022]
Abstract
Ingestion of engineered nanomaterials is inevitable due to their addition to food and prevalence in food packaging and domestic products such as toothpaste and sun cream. In the absence of robust dosimetry and particokinetic data, it is currently challenging to accurately assess the potential toxicity of food-borne nanomaterials. Herein, we review current understanding of gastrointestinal uptake mechanisms, consider some data on the potential for toxicity of the most commonly encountered classes of food-borne nanomaterials (including TiO2 , SiO2, ZnO, and Ag nanoparticles), and discuss the potential impact of the luminal environment on nanoparticle properties and toxicity. Much of our current understanding of gastrointestinal nanotoxicology is derived from increasingly sophisticated epithelial models that augment in vivo studies. In addition to considering the direct effects of food-borne nanomaterials on gastrointestinal tissues, including the potential role of chronic nanoparticle exposure in development of inflammatory diseases, we also discuss the potential for food-borne nanomaterials to disturb the normal balance of microbiota within the gastrointestinal tract. The latter possibility warrants close attention given the increasing awareness of the critical role of microbiota in human health and the known impact of some food-borne nanomaterials on bacterial viability. WIREs Nanomed Nanobiotechnol 2018, 10:e1481. doi: 10.1002/wnan.1481 This article is categorized under: Toxicology and Regulatory Issues in Nanomedicine > Toxicology of Nanomaterials.
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Affiliation(s)
- Hans Bouwmeester
- Division of ToxicologyWageningen University and ResearchWageningenThe Netherlands
- RIKILT ‐ Wageningen University and ResearchWageningenThe Netherlands
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Liu C, Kou Y, Zhang X, Cheng H, Chen X, Mao S. Strategies and industrial perspectives to improve oral absorption of biological macromolecules. Expert Opin Drug Deliv 2017; 15:223-233. [DOI: 10.1080/17425247.2017.1395853] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Chang Liu
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Yongqiang Kou
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Xin Zhang
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Hongbo Cheng
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Xianzhi Chen
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Shirui Mao
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
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Preparation of poly(lactic- co -glycolic acid) and chitosan composite nanocarriers via electrostatic self assembly for oral delivery of insulin. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 78:420-428. [DOI: 10.1016/j.msec.2017.04.113] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2017] [Revised: 04/18/2017] [Accepted: 04/19/2017] [Indexed: 10/19/2022]
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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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Lozoya-Agullo I, Araújo F, González-Álvarez I, Merino-Sanjuán M, González-Álvarez M, Bermejo M, Sarmento B. Usefulness of Caco-2/HT29-MTX and Caco-2/HT29-MTX/Raji B Coculture Models To Predict Intestinal and Colonic Permeability Compared to Caco-2 Monoculture. Mol Pharm 2017; 14:1264-1270. [PMID: 28263609 DOI: 10.1021/acs.molpharmaceut.6b01165] [Citation(s) in RCA: 105] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The Caco-2 cellular monolayer is a widely accepted in vitro model to predict human permeability but suffering from several and critical limitations. Therefore, some alternative cell cultures to mimic the human intestinal epithelium, as closely as possible, have been developed to achieve more physiological conditions, as the Caco-2/HT29-MTX coculture and the triple Caco-2/HT29-MTX/Raji B models. In this work the permeability of 12 model drugs of different Biopharmaceutical Classification System (BCS) characteristics, in the coculture and triple coculture models was assessed. Additionally, the utility of both models to classify compounds according to the BCS criteria was scrutinized. The obtained results suggested that the coculture of Caco-2/HT29-MTX and the triple coculture of Caco-2/HT29-MTX/Raji B were useful models to predict intestinal permeability and to classify the drugs in high or low permeability according to BCS. Moreover, to study thoroughly the transport mechanism of a specific drug, using a more complex model than Caco-2 monocultures is more suitable because coculture and triple coculture are more physiological models, so the results obtained with them will be closer to those obtained in the human intestine.
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Affiliation(s)
- Isabel Lozoya-Agullo
- Department of Pharmacokinetics and Pharmaceutical Technology, Miguel Hernandez University , San Juan de Alicante, 03550 Alicante, Spain.,Department of Pharmacokinetics and Pharmaceutical Technology, University of Valencia , Av. de Blasco Ibáñez, 13, 46010 Valencia, Spain
| | - Francisca Araújo
- i3S-Instituto de Investigação e Inovação em Saúde, University of Porto , Rua Alfredo Allen 208, 4200-135 Porto, Portugal.,INEB-Instituto de Engenharia Biomédica, University of Porto , Rua Alfredo Allen 208, 4200-135 Porto, Portugal
| | - Isabel González-Álvarez
- Department of Pharmacokinetics and Pharmaceutical Technology, Miguel Hernandez University , San Juan de Alicante, 03550 Alicante, Spain
| | - Matilde Merino-Sanjuán
- Department of Pharmacokinetics and Pharmaceutical Technology, University of Valencia , Av. de Blasco Ibáñez, 13, 46010 Valencia, Spain.,Molecular Recognition and Technological Development, Polytechnic University-University of Valencia , Camí de Vera, s/n, 46022 Valencia, Spain
| | - Marta González-Álvarez
- Department of Pharmacokinetics and Pharmaceutical Technology, Miguel Hernandez University , San Juan de Alicante, 03550 Alicante, Spain
| | - Marival Bermejo
- Department of Pharmacokinetics and Pharmaceutical Technology, Miguel Hernandez University , San Juan de Alicante, 03550 Alicante, Spain
| | - Bruno Sarmento
- i3S-Instituto de Investigação e Inovação em Saúde, University of Porto , Rua Alfredo Allen 208, 4200-135 Porto, Portugal.,INEB-Instituto de Engenharia Biomédica, University of Porto , Rua Alfredo Allen 208, 4200-135 Porto, Portugal.,CESPU, Instituto de Investigação e Formação Avançada em Ciências e Tecnologias da Saúde , Rua Central da Gandra 1317, 4585-116 Gandra, Portugal
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Li L, Jiang G, Yu W, Liu D, Chen H, Liu Y, Tong Z, Kong X, Yao J. Preparation of chitosan-based multifunctional nanocarriers overcoming multiple barriers for oral delivery of insulin. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 70:278-286. [DOI: 10.1016/j.msec.2016.08.083] [Citation(s) in RCA: 98] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2016] [Revised: 08/21/2016] [Accepted: 08/30/2016] [Indexed: 11/30/2022]
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Beloqui A, des Rieux A, Préat V. Mechanisms of transport of polymeric and lipidic nanoparticles across the intestinal barrier. Adv Drug Deliv Rev 2016; 106:242-255. [PMID: 27117710 DOI: 10.1016/j.addr.2016.04.014] [Citation(s) in RCA: 83] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2015] [Revised: 03/27/2016] [Accepted: 04/16/2016] [Indexed: 01/02/2023]
Abstract
Unraveling the mechanisms of nanoparticle transport across the intestinal barrier is essential for designing more efficient nanoparticles for oral administration. The physicochemical parameters of the nanoparticles (e.g., size, surface charge, chemical composition) dictate nanoparticle fate across the intestinal barrier. This review aims to address the most important findings regarding polymeric and lipidic nanoparticle transport across the intestinal barrier, including the evaluation of critical physicochemical parameters of nanoparticles that affect nanocarrier interactions with the intestinal barrier.
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Banerjee A, Qi J, Gogoi R, Wong J, Mitragotri S. Role of nanoparticle size, shape and surface chemistry in oral drug delivery. J Control Release 2016; 238:176-185. [PMID: 27480450 PMCID: PMC5289391 DOI: 10.1016/j.jconrel.2016.07.051] [Citation(s) in RCA: 397] [Impact Index Per Article: 49.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2016] [Revised: 07/11/2016] [Accepted: 07/29/2016] [Indexed: 01/05/2023]
Abstract
Nanoparticles find intriguing applications in oral drug delivery since they present a large surface area for interactions with the gastrointestinal tract and can be modified in various ways to address the barriers associated with oral delivery. The size, shape and surface chemistry of nanoparticles can greatly impact cellular uptake and efficacy of the treatment. However, the interplay between particle size, shape and surface chemistry has not been well investigated especially for oral drug delivery. To this end, we prepared sphere-, rod- and disc-shaped nanoparticles and conjugated them with targeting ligands to study the influence of size, shape and surface chemistry on their uptake and transport across intestinal cells. A triple co-culture model of intestinal cells was utilized to more closely mimic the intestinal epithelium. Results demonstrated higher cellular uptake of rod-shaped nanoparticles in the co-culture compared to spheres regardless of the presence of active targeting moieties. Transport of nanorods across the intestinal co-culture was also significantly higher than spheres. The findings indicate that nanoparticle-mediated oral drug delivery can be potentially improved with departure from spherical shape which has been traditionally utilized for the design of nanoparticles. We believe that understanding the role of nanoparticle geometry in intestinal uptake and transport will bring forth a paradigm shift in nanoparticle engineering for oral delivery and non-spherical nanoparticles should be further investigated and considered for oral delivery of therapeutic drugs and diagnostic materials.
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Affiliation(s)
- Amrita Banerjee
- Department of Chemical Engineering, University of California, Santa Barbara, Santa Barbara, CA 93106, USA
| | - Jianping Qi
- Department of Chemical Engineering, University of California, Santa Barbara, Santa Barbara, CA 93106, USA; School of Pharmacy, Fudan University, Shanghai 201203, PR China
| | - Rohan Gogoi
- College of Letters and Science, University of California, Santa Barbara, Santa Barbara, CA 93106, USA
| | - Jessica Wong
- Department of Chemical Engineering, University of California, Santa Barbara, Santa Barbara, CA 93106, USA
| | - Samir Mitragotri
- Department of Chemical Engineering, University of California, Santa Barbara, Santa Barbara, CA 93106, USA; Center for Bioengineering, University of California, Santa Barbara, Santa Barbara, CA 93106, USA.
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Patel BJ, Vignesh NK, Hortelano G. Chitosan DNA nanoparticles for oral gene delivery. World J Med Genet 2016; 6:22-33. [DOI: 10.5496/wjmg.v6.i3.22] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2016] [Accepted: 08/08/2016] [Indexed: 02/06/2023] Open
Abstract
Gene therapy is a promising technology with potential applications in the treatment of medical conditions, both congenital and acquired. Despite its label as breakthrough technology for the 21st century, the simple concept of gene therapy - the introduction of a functional copy of desired genes in affected individuals - is proving to be more challenging than expected. Oral gene delivery has shown intriguing results and warrants further exploration. In particular, oral administration of chitosan DNA nanoparticles, one the most commonly used formulations of therapeutic DNA, has repeatedly demonstrated successful in vitro and in vivo gene transfection. While oral gene therapy has shown immense promise as treatment options in a variety of diseases, there are still significant barriers to overcome before it can be considered for clinical applications. In this review we provide an overview of the physiologic challenges facing the use of chitosan DNA nanoparticles for oral gene delivery at both the extracellular and intracellular level. From administration at the oral cavity, chitosan nanoparticles must traverse the gastrointestinal tract and protect its DNA contents from significant jumps in pH levels, various intestinal digestive enzymes, thick mucus layers with high turnover, and a proteinaceous glycocalyx meshwork. Once these extracellular barriers are overcome, chitosan DNA nanoparticles must enter intestinal cells, escape endolysosomes, and disassociate from genetic material at the appropriate time allowing transport of genetic material into the nucleus to deliver a therapeutic effect. The properties of chitosan nanoparticles and modified nanoparticles are discussed in this review. An understanding of the barriers to oral gene delivery and how to overcome them would be invaluable for future gene therapy development.
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Wang F, Liu X, Yuan J, Yang S, Li Y, Gao Q. Synthesis and characterization of poly(lactic acid-co-glycolic acid) complex microspheres as drug carriers. J Biomater Appl 2016; 31:544-552. [DOI: 10.1177/0885328216657548] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Poly(lactic-co-glycolic) acid (PLGA) is synthesized via melt polycondensation directly from lactic acid and glycolic acid with a feed molar ratio of 75/25. Bovine serum albumin, which is used as model protein, is entrapped into the poly(lactic-co-glycolic acid) microspheres with particle size of 260.9 ± 20.0 nm by the double emulsification method. Then it is the first report of producing more carboxyl groups by poly(lactic-co-glycolic acid) surface hydrolysis. The purpose is developing poly(lactic-co-glycolic acid) microspheres surface, which is modified with chitosan by chemical reaction between carboxyl groups and amine groups. The particle size and the positive zeta potential of the poly(lactic-co-glycolic acid)/chitosan microspheres are 388.2 ± 35.6 nm and 10.4 ± 2.9 mV, respectively. The drug loading ratio and encapsulation efficacy of poly(lactic-co-glycolic acid)/chitosan microspheres are 36.3% and 57.5%, which are higher than PLGA microspheres. Furthermore, the drug burst release of poly(lactic-co-glycolic acid)/chitosan microspheres at 10 h is decreased to 21.72% while the corresponding value of the poly(lactic-co-glycolic acid) microsphere is 64.56%. These results reveal that surface hydrolysis modification of poly(lactic-co-glycolic acid) is an efficient method to improve the negative potential and chemical reaction properties of the polymer. And furthermore, this study shows that chitosan-modified poly(lactic-co-glycolic acid) microspheres is a promising system for the controlled release of pharmaceutical proteins.
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Affiliation(s)
- Fang Wang
- College of Chemical Engineering, Nanjing Forestry University, Nanjing, PR China
- Department of Mechanical Engineering, University of Delaware, Newark, United States
| | - Xiuxiu Liu
- College of Chemical Engineering, Nanjing Forestry University, Nanjing, PR China
| | - Jian Yuan
- College of Chemical Engineering, Nanjing Forestry University, Nanjing, PR China
| | - Siqian Yang
- College of Chemical Engineering, Nanjing Forestry University, Nanjing, PR China
| | - Yueqin Li
- College of Chemical Engineering, Nanjing Forestry University, Nanjing, PR China
| | - Qinwei Gao
- College of Chemical Engineering, Nanjing Forestry University, Nanjing, PR China
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Jain AS, Dhawan VV, Sarmento B, Nagarsenker MS. In Vitro and Ex Vivo Evaluations of Lipid Anti-Cancer Nanoformulations: Insights and Assessment of Bioavailability Enhancement. AAPS PharmSciTech 2016; 17:553-71. [PMID: 27068527 DOI: 10.1208/s12249-016-0522-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2015] [Accepted: 03/22/2016] [Indexed: 12/22/2022] Open
Abstract
Lipid-based nanoformulations have been extensively investigated for improving oral efficacy of plethora of drugs. Chemotherapeutic agents remain a preferred option for effective management of cancer; however, most chemotherapeutic agents suffer from limitation of poor oral bioavailability that is associated with their physicochemical properties. Drug delivery via lipid-based nanosystems possesses strong rational and potential for improving oral bioavailability of such anti-cancer molecules through various mechanisms, viz. improving their gut solubilisation owing to micellization, improving mucosal permeation, improving lymphatic uptake, inhibiting intestinal metabolism and/or inhibiting P-glycoprotein efflux of molecules in the gastrointestinal tract. Various in vitro characterization techniques have been reported in literature that aid in getting insights into mechanisms of lipid-based nanodevices in improving oral efficacy of anti-cancer drugs. The review focuses on different characterization techniques that can be employed for evaluation of lipid-based nanosystems and their role in effective anti-cancer drug delivery.
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Vieira SM, Michels LR, Roversi K, Metz VG, Moraes BKS, Piegas EM, Freddo RJ, Gundel A, Costa TD, Burger ME, Colomé LM, Haas SE. A surface modification of clozapine-loaded nanocapsules improves their efficacy: A study of formulation development and biological assessment. Colloids Surf B Biointerfaces 2016; 145:748-756. [PMID: 27295491 DOI: 10.1016/j.colsurfb.2016.05.065] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2015] [Revised: 05/21/2016] [Accepted: 05/24/2016] [Indexed: 01/27/2023]
Abstract
This work aimed to develop nanocapsules (NC) coated with polysorbate 80 (P80), cationic chitosan (CS) or polyethylene glycol (PEG) using clozapine (CZP) as the drug model. The zeta potential, pH and encapsulation efficiency were directly affected by the CS coating. Using the bag dialysis method, the in vitro CZP release from CS-coated nanocapsules was similar to the PEG-coated at pH 7.4. Nanocapsules coated with PEG and CS exhibited an increased action duration compared to the P80-coated nanocapsules in pseudo-psychosis induced by d,l-amphetamine in rats. When comparing both groups, the group administered CS-coated nanocapsules showed better activity than the PEG-coated nanocapsules at 6, 10 and 12h after d,l-amphetamine administration. The pharmacokinetic assessment in rats demonstrated that the observed half-lives were free CZP<P80-coated<PEG-coated ̴ CS-coated nanocapsules. Both the P80- and PEG-coated nanocapsules showed a statistically significant increase in their volume of distribution compared to free CZP. On the other hand, the cationic nanocapsules showed a decrease in total clearance. Together, these results indicate that the PEG and CS coatings are a promising delivery system for CZP in the treatment of schizophrenia.
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Affiliation(s)
- Simone M Vieira
- Curso de Farmácia, Universidade Federal do Pampa-UNIPAMPA, BR 472, Km 592, CP 118, CEP 97500-970 Uruguaiana, RS, Brazil
| | - Luana R Michels
- Programa de Pós-graduação em Ciências Farmacêuticas, Universidade Federal do Pampa-UNIPAMPA, BR 472, Km 592, CP 118, CEP 97500-970 Uruguaiana, RS, Brazil
| | - Katiane Roversi
- Programa de Pós-Graduação em Farmacologia, Departamento de Fisiologia e Farmacologia, Universidade Federal de Santa Maria, Av. Roraima 1000, Prédio 21, Sala 5220, Santa Maria, CEP 97105-900 RS, Brazil
| | - Vinícia G Metz
- Programa de Pós-Graduação em Farmacologia, Departamento de Fisiologia e Farmacologia, Universidade Federal de Santa Maria, Av. Roraima 1000, Prédio 21, Sala 5220, Santa Maria, CEP 97105-900 RS, Brazil
| | - Barbra K S Moraes
- Programa de Pós-graduação em Ciências Farmacêuticas, Universidade Federal do Pampa-UNIPAMPA, BR 472, Km 592, CP 118, CEP 97500-970 Uruguaiana, RS, Brazil
| | - Eduarda M Piegas
- Curso de Farmácia, Universidade Federal do Pampa-UNIPAMPA, BR 472, Km 592, CP 118, CEP 97500-970 Uruguaiana, RS, Brazil
| | - Rodrigo J Freddo
- Curso de Farmácia, Universidade Federal do Pampa-UNIPAMPA, BR 472, Km 592, CP 118, CEP 97500-970 Uruguaiana, RS, Brazil
| | - André Gundel
- Campus Bagé, Universidade Federal do Pampa, Travessa 45, 1650 Bagé, CEP96413-170 RS, Brazil
| | - Teresa Dalla Costa
- Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, Av. Ipiranga 2752, Porto Alegre, CEP 90610-000 RS, Brazil
| | - Marilise E Burger
- Programa de Pós-Graduação em Farmacologia, Departamento de Fisiologia e Farmacologia, Universidade Federal de Santa Maria, Av. Roraima 1000, Prédio 21, Sala 5220, Santa Maria, CEP 97105-900 RS, Brazil
| | - Letícia M Colomé
- Curso de Farmácia, Universidade Federal do Pampa-UNIPAMPA, BR 472, Km 592, CP 118, CEP 97500-970 Uruguaiana, RS, Brazil; Programa de Pós-graduação em Ciências Farmacêuticas, Universidade Federal do Pampa-UNIPAMPA, BR 472, Km 592, CP 118, CEP 97500-970 Uruguaiana, RS, Brazil
| | - Sandra E Haas
- Curso de Farmácia, Universidade Federal do Pampa-UNIPAMPA, BR 472, Km 592, CP 118, CEP 97500-970 Uruguaiana, RS, Brazil; Programa de Pós-graduação em Ciências Farmacêuticas, Universidade Federal do Pampa-UNIPAMPA, BR 472, Km 592, CP 118, CEP 97500-970 Uruguaiana, RS, Brazil.
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Bellmann S, Carlander D, Fasano A, Momcilovic D, Scimeca JA, Waldman WJ, Gombau L, Tsytsikova L, Canady R, Pereira DIA, Lefebvre DE. Mammalian gastrointestinal tract parameters modulating the integrity, surface properties, and absorption of food-relevant nanomaterials. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2015; 7:609-22. [PMID: 25641962 PMCID: PMC4949541 DOI: 10.1002/wnan.1333] [Citation(s) in RCA: 69] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/20/2014] [Revised: 12/12/2014] [Accepted: 12/15/2014] [Indexed: 12/12/2022]
Abstract
Many natural chemicals in food are in the nanometer size range, and the selective uptake of nutrients with nanoscale dimensions by the gastrointestinal (GI) tract is a normal physiological process. Novel engineered nanomaterials (NMs) can bring various benefits to food, e.g., enhancing nutrition. Assessing potential risks requires an understanding of the stability of these entities in the GI lumen, and an understanding of whether or not they can be absorbed and thus become systemically available. Data are emerging on the mammalian in vivo absorption of engineered NMs composed of chemicals with a range of properties, including metal, mineral, biochemical macromolecules, and lipid-based entities. In vitro and in silico fluid incubation data has also provided some evidence of changes in particle stability, aggregation, and surface properties following interaction with luminal factors present in the GI tract. The variables include physical forces, osmotic concentration, pH, digestive enzymes, other food, and endogenous biochemicals, and commensal microbes. Further research is required to fill remaining data gaps on the effects of these parameters on NM integrity, physicochemical properties, and GI absorption. Knowledge of the most influential luminal parameters will be essential when developing models of the GI tract to quantify the percent absorption of food-relevant engineered NMs for risk assessment.
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Affiliation(s)
| | | | - Alessio Fasano
- Massachusetts General Hospital for Children, Harvard Medical School, Boston, MA, USA
| | - Dragan Momcilovic
- Department of Health and Human Services, US Food and Drug Administration, Silver Spring, MD, USA
| | | | | | | | - Lyubov Tsytsikova
- Center for Risk Science Innovation and Application, ILSI Research Foundation, Washington, DC, USA
| | - Richard Canady
- Center for Risk Science Innovation and Application, ILSI Research Foundation, Washington, DC, USA
| | - Dora I A Pereira
- MRC Human Nutrition Research, Elsie Widdowson Laboratory, Cambridge, UK
| | - David E Lefebvre
- Regulatory Toxicology Research Division, Food Directorate, Health Canada, Ottawa, Canada
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Braakhuis HM, Kloet SK, Kezic S, Kuper F, Park MVDZ, Bellmann S, van der Zande M, Le Gac S, Krystek P, Peters RJB, Rietjens IMCM, Bouwmeester H. Progress and future of in vitro models to study translocation of nanoparticles. Arch Toxicol 2015; 89:1469-95. [PMID: 25975987 PMCID: PMC4551544 DOI: 10.1007/s00204-015-1518-5] [Citation(s) in RCA: 81] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2015] [Accepted: 04/01/2015] [Indexed: 10/28/2022]
Abstract
The increasing use of nanoparticles in products likely results in increased exposure of both workers and consumers. Because of their small size, there are concerns that nanoparticles unintentionally cross the barriers of the human body. Several in vivo rodent studies show that, dependent on the exposure route, time, and concentration, and their characteristics, nanoparticles can cross the lung, gut, skin, and placental barrier. This review aims to evaluate the performance of in vitro models that mimic the barriers of the human body, with a focus on the lung, gut, skin, and placental barrier. For these barriers, in vitro models of varying complexity are available, ranging from single-cell-type monolayer to multi-cell (3D) models. Only a few studies are available that allow comparison of the in vitro translocation to in vivo data. This situation could change since the availability of analytical detection techniques is no longer a limiting factor for this comparison. We conclude that to further develop in vitro models to be used in risk assessment, the current strategy to improve the models to more closely mimic the human situation by using co-cultures of different cell types and microfluidic approaches to better control the tissue microenvironments are essential. At the current state of the art, the in vitro models do not yet allow prediction of absolute transfer rates but they do support the definition of relative transfer rates and can thus help to reduce animal testing by setting priorities for subsequent in vivo testing.
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Affiliation(s)
- Hedwig M. Braakhuis
- />Department of Toxicogenomics, Maastricht University, PO Box 616, 6200 MD Maastricht, The Netherlands
- />Centre for Health Protection, National Institute for Public Health and the Environment (RIVM), PO Box 1, 3720 BA Bilthoven, The Netherlands
| | - Samantha K. Kloet
- />Division of Toxicology, Wageningen University, Tuinlaan 5, 6703 HE Wageningen, The Netherlands
| | - Sanja Kezic
- />AMC, Coronel Institute of Occupational Health, Academic Medical Centre, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands
| | - Frieke Kuper
- />TNO, Utrechtseweg 48, 3704 HE Zeist, The Netherlands
| | - Margriet V. D. Z. Park
- />Centre for Health Protection, National Institute for Public Health and the Environment (RIVM), PO Box 1, 3720 BA Bilthoven, The Netherlands
| | | | | | - Séverine Le Gac
- />UT BIOS, Lab on a Chip Group, MESA+ Institute for Nanotechnology, MIRA Institute for Biomedical Engineering and Technical Medicine, University of Twente, Enschede, The Netherlands
| | - Petra Krystek
- />Philips Innovation Services, High Tech Campus 11, 5656 AE Eindhoven, The Netherlands
| | - Ruud J. B. Peters
- />RIKILT- Wageningen UR, PO Box 230, 6700 AE Wageningen, The Netherlands
| | - Ivonne M. C. M. Rietjens
- />Division of Toxicology, Wageningen University, Tuinlaan 5, 6703 HE Wageningen, The Netherlands
| | - Hans Bouwmeester
- />RIKILT- Wageningen UR, PO Box 230, 6700 AE Wageningen, The Netherlands
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Tarantini A, Lanceleur R, Mourot A, Lavault MT, Casterou G, Jarry G, Hogeveen K, Fessard V. Toxicity, genotoxicity and proinflammatory effects of amorphous nanosilica in the human intestinal Caco-2 cell line. Toxicol In Vitro 2014; 29:398-407. [PMID: 25448807 DOI: 10.1016/j.tiv.2014.10.023] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2014] [Revised: 10/23/2014] [Accepted: 10/28/2014] [Indexed: 12/21/2022]
Abstract
Silica (SiO2) in its nanosized form is now used in food applications although the potential risks for human health need to be evaluated in further detail. In the current study, the uptake of 15 and 55nm colloidal SiO2 NPs in the human intestinal Caco-2 cell line was investigated by transmission electron microscopy. The ability of these NPs to induce cytotoxicity (XTT viability test), genotoxicity (γH2Ax and micronucleus assay), apoptosis (caspase 3), oxidative stress (oxidation of 2,7-dichlorodihydrofluorescein diacetate probe) and proinflammatory effects (interleukin IL-8 secretion) was evaluated. Quartz DQ12 was used as particle control. XTT and cytokinesis-block micronucleus assays revealed size- and concentration-dependent effects on cell death and chromosome damage following exposure to SiO2 nanoparticles, concomitantly with generation of reactive oxygen species (ROS), SiO2-15nm particles being the most potent. In the same way, an increased IL-8 secretion was only observed with SiO2-15nm at the highest tested dose (32μg/ml). TEM images showed that both NPs were localized within the cytoplasm but did not enter the nucleus. SiO2-15nm, and to a lower extent SiO2-55nm, exerted toxic effects in Caco-2 cells. The observed genotoxic effects of these NPs are likely to be mediated through oxidative stress rather than a direct interaction with the DNA. Altogether, our results indicate that exposure to SiO2 NPs may induce potential adverse effects on the intestinal epithelium in vivo.
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Affiliation(s)
- Adeline Tarantini
- Agence Nationale de Sécurité Sanitaire, Unité de Toxicologie des Contaminants, Bâtiment BioAgroPolis, 10B rue C, Bourgelat, BP 40608, 35306 Fougères, France
| | - Rachelle Lanceleur
- Agence Nationale de Sécurité Sanitaire, Unité de Toxicologie des Contaminants, Bâtiment BioAgroPolis, 10B rue C, Bourgelat, BP 40608, 35306 Fougères, France
| | - Annick Mourot
- Agence Nationale de Sécurité Sanitaire, Unité de Toxicologie des Contaminants, Bâtiment BioAgroPolis, 10B rue C, Bourgelat, BP 40608, 35306 Fougères, France
| | - Marie-Thérèse Lavault
- PF Mric TEM, BIOSIT Université de Rennes 1, 2 avenue Léon Bernard, 35043 Rennes, France
| | - Gérald Casterou
- Equipe "Ingénierie Chimique et Molécule pour le Vivant", Institut des Sciences chimiques de Rennes, UMR 6226, Bat 10A, Bureau 210, Campus Beaulieu, Rennes 35000, France
| | - Gérard Jarry
- Agence Nationale de Sécurité Sanitaire, Unité de Toxicologie des Contaminants, Bâtiment BioAgroPolis, 10B rue C, Bourgelat, BP 40608, 35306 Fougères, France
| | - Kevin Hogeveen
- Agence Nationale de Sécurité Sanitaire, Unité de Toxicologie des Contaminants, Bâtiment BioAgroPolis, 10B rue C, Bourgelat, BP 40608, 35306 Fougères, France
| | - Valérie Fessard
- Agence Nationale de Sécurité Sanitaire, Unité de Toxicologie des Contaminants, Bâtiment BioAgroPolis, 10B rue C, Bourgelat, BP 40608, 35306 Fougères, France.
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Sahu KK, Minz S, Kaurav M, Pandey RS. Proteins and peptides: The need to improve them as promising therapeutics for ulcerative colitis. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2014; 44:642-53. [PMID: 25379956 DOI: 10.3109/21691401.2014.975239] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The present review briefly describes the nature, type and pathogenesis of ulcerative colitis, and explores the potential use of peptides and proteins in the treatment of inflammatory bowel disease, especially ulcerative colitis. Intestinal absorption and the barrier mechanism of peptide and protein drugs are also discussed, with special emphasis on various strategies which make these drugs better therapeutics having high specificity, potency and molecular targeting ability. However, the limitation of such therapeutics are oral administration, poor pharmacokinetic profile and decreased bioavailability. The recent findings illustrated in this review will be helpful in designing the peptide/protein drugs as a promising treatment of choice for ulcerative colitis.
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Affiliation(s)
- Kantrol Kumar Sahu
- a Institute of Pharmaceutical Sciences, Guru Ghasidas Vishwavidyalaya , Bilaspur, C.G. , India
| | - Sunita Minz
- a Institute of Pharmaceutical Sciences, Guru Ghasidas Vishwavidyalaya , Bilaspur, C.G. , India
| | - Monika Kaurav
- a Institute of Pharmaceutical Sciences, Guru Ghasidas Vishwavidyalaya , Bilaspur, C.G. , India
| | - Ravi Shankar Pandey
- a Institute of Pharmaceutical Sciences, Guru Ghasidas Vishwavidyalaya , Bilaspur, C.G. , India
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Fan T, Chen C, Guo H, Xu J, Zhang J, Zhu X, Yang Y, Zhou Z, Li L, Huang Y. Design and evaluation of solid lipid nanoparticles modified with peptide ligand for oral delivery of protein drugs. Eur J Pharm Biopharm 2014; 88:518-28. [DOI: 10.1016/j.ejpb.2014.06.011] [Citation(s) in RCA: 72] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2014] [Revised: 06/12/2014] [Accepted: 06/17/2014] [Indexed: 01/02/2023]
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Gunasekaran T, Haile T, Nigusse T, Dhanaraju MD. Nanotechnology: an effective tool for enhancing bioavailability and bioactivity of phytomedicine. Asian Pac J Trop Biomed 2014; 4:S1-7. [PMID: 25183064 DOI: 10.12980/apjtb.4.2014c980] [Citation(s) in RCA: 120] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2014] [Accepted: 03/03/2014] [Indexed: 02/05/2023] Open
Abstract
To achieve the desired therapeutic objective, the drug product must deliver the active drug at an optimal rate and amount. By proper biopharmaceutic design, the rate and extent of drug absorption (also called as bioavailability) or the systemic delivery of drugs to the body can be varied from rapid and complete absorption to slow and sustained absorption depending upon the desired therapeutic objective. Phytomedicine have served as the foundation for a larger fraction of the current pharmacopeia. But the delivery of phytomedicine is always problematic due to poor aqueous solubility, poor permeation, low systemic availability, instability and extensive first pass metabolism. Current review will discuss in detail about how nanotechnology can enhance the bioavilability and bioactivity of the phytomedicine.
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Affiliation(s)
- Thirumurugan Gunasekaran
- Department of Pharmacy, College of Medicine and Health Sciences, Ambo University, Ambo, Ethiopia
| | - Tedesse Haile
- Department of Pharmacy, College of Medicine and Health Sciences, Ambo University, Ambo, Ethiopia
| | - Tedele Nigusse
- Department of Pharmacy, College of Medicine and Health Sciences, Ambo University, Ambo, Ethiopia
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49
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Lefebvre DE, Venema K, Gombau L, Valerio LG, Raju J, Bondy GS, Bouwmeester H, Singh RP, Clippinger AJ, Collnot EM, Mehta R, Stone V. Utility of models of the gastrointestinal tract for assessment of the digestion and absorption of engineered nanomaterials released from food matrices. Nanotoxicology 2014; 9:523-42. [PMID: 25119418 DOI: 10.3109/17435390.2014.948091] [Citation(s) in RCA: 79] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Engineered metal/mineral, lipid and biochemical macromolecule nanomaterials (NMs) have potential applications in food. Methodologies for the assessment of NM digestion and bioavailability in the gastrointestinal tract are nascent and require refinement. A working group was tasked by the International Life Sciences Institute NanoRelease Food Additive project to review existing models of the gastrointestinal tract in health and disease, and the utility of these models for the assessment of the uptake of NMs intended for food. Gastrointestinal digestion and absorption could be addressed in a tiered approach using in silico computational models, in vitro non-cellular fluid systems and in vitro cell culture models, after which the necessity of ex vivo organ culture and in vivo animal studies can be considered. Examples of NM quantification in gastrointestinal tract fluids and tissues are emerging; however, few standardized analytical techniques are available. Coupling of these techniques to gastrointestinal models, along with further standardization, will further strengthen methodologies for risk assessment.
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Affiliation(s)
- David E Lefebvre
- Regulatory Toxicology Research Division, Food Directorate, Health Canada , Ottawa , Canada
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50
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Lopes MA, Abrahim BA, Cabral LM, Rodrigues CR, Seiça RMF, de Baptista Veiga FJ, Ribeiro AJ. Intestinal absorption of insulin nanoparticles: Contribution of M cells. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2014; 10:1139-51. [DOI: 10.1016/j.nano.2014.02.014] [Citation(s) in RCA: 67] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2013] [Revised: 01/19/2014] [Accepted: 02/28/2014] [Indexed: 01/28/2023]
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