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Pangeni R, Meng T, Poudel S, Sharma D, Hutsell H, Ma J, Rubin BK, Longest W, Hindle M, Xu Q. Airway mucus in pulmonary diseases: Muco-adhesive and muco-penetrating particles to overcome the airway mucus barriers. Int J Pharm 2023; 634:122661. [PMID: 36736964 PMCID: PMC9975059 DOI: 10.1016/j.ijpharm.2023.122661] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 01/26/2023] [Accepted: 01/27/2023] [Indexed: 02/04/2023]
Abstract
Airway mucus is a complex viscoelastic gel that provides a defensive physical barrier and shields the airway epithelium by trapping inhaled foreign pathogens and facilitating their removal via mucociliary clearance (MCC). In patients with respiratory diseases, such as chronic obstructive pulmonary disease (COPD), cystic fibrosis (CF), non-CF bronchiectasis, and asthma, an increase in crosslinking and physical entanglement of mucin polymers as well as mucus dehydration often alters and typically reduces mucus mesh network pore size, which reduces neutrophil migration, decreases pathogen capture, sustains bacterial infection, and accelerates lung function decline. Conventional aerosol particles containing hydrophobic drugs are rapidly captured and removed by MCC. Therefore, it is critical to design aerosol delivery systems with the appropriate size and surface chemistry that can improve drug retention and absorption with the goal of increased efficacy. Biodegradable muco-adhesive particles (MAPs) and muco-penetrating particles (MPPs) have been engineered to achieve effective pulmonary delivery and extend drug residence time in the lungs. MAPs can be used to target mucus as they get trapped in airway mucus by steric obstruction and/or adhesion. MPPs avoid muco-adhesion and are designed to have a particle size smaller than the mucus network, enhancing lung retention of particles as well as transport to the respiratory epithelial layer and drug absorption. In this review, we aim to provide insight into the composition of airway mucus, rheological characteristics of airway mucus in healthy and diseased subjects, the most recent techniques to study the flow dynamics and particle diffusion in airway mucus (in particular, multiple particle tracking, MPT), and the advancements in engineering MPPs that have contributed to improved airway mucus penetration, lung distribution, and retention.
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Affiliation(s)
- Rudra Pangeni
- Department of Pharmaceutics, Virginia Commonwealth University, Richmond, VA, USA
| | - Tuo Meng
- Department of Pharmaceutics, Virginia Commonwealth University, Richmond, VA, USA
| | - Sagun Poudel
- Department of Pharmaceutics, Virginia Commonwealth University, Richmond, VA, USA
| | - Divya Sharma
- Department of Physiology and Biophysics, Virginia Commonwealth University, Richmond, VA, USA
| | - Hallie Hutsell
- Department of Pharmaceutics, Virginia Commonwealth University, Richmond, VA, USA
| | - Jonathan Ma
- Department of Pediatrics, Children's Hospital of Richmond, Richmond, VA, USA
| | - Bruce K Rubin
- Department of Physiology and Biophysics, Virginia Commonwealth University, Richmond, VA, USA; Department of Pediatrics, Children's Hospital of Richmond, Richmond, VA, USA
| | - Worth Longest
- Department of Pharmaceutics, Virginia Commonwealth University, Richmond, VA, USA; Department of Mechanical and Nuclear Engineering, Virginia Commonwealth University, Richmond, VA, USA
| | - Michael Hindle
- Department of Pharmaceutics, Virginia Commonwealth University, Richmond, VA, USA
| | - Qingguo Xu
- Department of Pharmaceutics, Virginia Commonwealth University, Richmond, VA, USA; Department of Ophthalmology, Massey Cancer Center, Center for Pharmaceutical Engineering, and Institute for Structural Biology, Drug Discovery & Development (ISB3D), Virginia Commonwealth University, Richmond, VA, USA.
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2
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Wang R, Cao S, Bashir MEH, Hesser LA, Su Y, Hong SMC, Thompson A, Culleen E, Sabados M, Dylla NP, Campbell E, Bao R, Nonnecke EB, Bevins CL, Wilson DS, Hubbell JA, Nagler CR. Treatment of peanut allergy and colitis in mice via the intestinal release of butyrate from polymeric micelles. Nat Biomed Eng 2023; 7:38-55. [PMID: 36550307 PMCID: PMC9870785 DOI: 10.1038/s41551-022-00972-5] [Citation(s) in RCA: 30] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Accepted: 10/26/2022] [Indexed: 12/24/2022]
Abstract
The microbiome modulates host immunity and aids the maintenance of tolerance in the gut, where microbial and food-derived antigens are abundant. Yet modern dietary factors and the excessive use of antibiotics have contributed to the rising incidence of food allergies, inflammatory bowel disease and other non-communicable chronic diseases associated with the depletion of beneficial taxa, including butyrate-producing Clostridia. Here we show that intragastrically delivered neutral and negatively charged polymeric micelles releasing butyrate in different regions of the intestinal tract restore barrier-protective responses in mouse models of colitis and of peanut allergy. Treatment with the butyrate-releasing micelles increased the abundance of butyrate-producing taxa in Clostridium cluster XIVa, protected mice from an anaphylactic reaction to a peanut challenge and reduced disease severity in a T-cell-transfer model of colitis. By restoring microbial and mucosal homoeostasis, butyrate-releasing micelles may function as an antigen-agnostic approach for the treatment of allergic and inflammatory diseases.
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Affiliation(s)
- Ruyi Wang
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA
- Department of Chemistry, University of Chicago, Chicago, IL, USA
| | - Shijie Cao
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA
| | | | - Lauren A Hesser
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA
| | - Yanlin Su
- Biological Sciences Division, University of Chicago, Chicago, IL, USA
- Department of Pathology, University of Chicago, Chicago, IL, USA
| | - Sung Min Choi Hong
- Biological Sciences Division, University of Chicago, Chicago, IL, USA
- Department of Pathology, University of Chicago, Chicago, IL, USA
| | - Andrew Thompson
- Biological Sciences Division, University of Chicago, Chicago, IL, USA
- Department of Pathology, University of Chicago, Chicago, IL, USA
| | - Elliot Culleen
- Biological Sciences Division, University of Chicago, Chicago, IL, USA
- Department of Pathology, University of Chicago, Chicago, IL, USA
| | - Matthew Sabados
- Biological Sciences Division, University of Chicago, Chicago, IL, USA
| | - Nicholas P Dylla
- Duchossois Family Institute, University of Chicago, Chicago, IL, USA
| | - Evelyn Campbell
- Biological Sciences Division, University of Chicago, Chicago, IL, USA
- Committee on Microbiology, University of Chicago, Chicago, IL, USA
| | - Riyue Bao
- Department of Pediatrics, University of Chicago, Chicago, IL, USA
- UPMC Hillman Cancer Center, Pittsburgh, PA, USA
- Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Eric B Nonnecke
- Department of Microbiology and Immunology, School of Medicine, University of California, Davis, CA, USA
| | - Charles L Bevins
- Department of Microbiology and Immunology, School of Medicine, University of California, Davis, CA, USA
| | - D Scott Wilson
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA
- Department of Biomedical Engineering, Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Jeffrey A Hubbell
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA.
- Committee on Immunology, University of Chicago, Chicago, IL, USA.
- Committee on Cancer Biology, University of Chicago, Chicago, IL, USA.
| | - Cathryn R Nagler
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA.
- Biological Sciences Division, University of Chicago, Chicago, IL, USA.
- Department of Pathology, University of Chicago, Chicago, IL, USA.
- Committee on Immunology, University of Chicago, Chicago, IL, USA.
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3
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Dalei G, Das S. Polyacrylic acid-based drug delivery systems: A comprehensive review on the state-of-art. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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4
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Hua T, Chang C, Zhang X, Huang Y, Wang H, Zhang D, Tang B. Protective efficacy of intranasal inactivated pseudorabies vaccine is improved by combination adjuvant in mice. Front Microbiol 2022; 13:976220. [PMID: 36187997 PMCID: PMC9520748 DOI: 10.3389/fmicb.2022.976220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 08/15/2022] [Indexed: 11/19/2022] Open
Abstract
Pseudorabies virus (PRV) not only causes great economic loss to the pig industry but also seriously threatens the biosafety of other mammals, including humans. Since 2011, PRV mutant strains have emerged widely in China, and the classical Bartha-K61 vaccine cannot confer complete protection for pigs. PRV mainly infects pigs via the respiratory tract. Intranasal immunization with PRV has received more attention because intranasal vaccination elicits systemic and mucosal immune responses. To induce systemic and mucosal immune responses against PRV, we developed a combination adjuvant as a delivery system for intranasal vaccine, which was formulated with MONTANIDE™ Gel 01 and CVCVA5. In comparison to naked antigen of inactivated PRV, single Gel 01 adjuvanted inactivated antigen and single CVCVA5 adjuvanted inactivated antigen, intranasal inactivated PRV vaccine formulated with the combination adjuvant induced greater mucosal IgA immunity and serum antibody responses (IgG, IgG1, and IgG2a). Furthermore, the production of the Th1-type cytokine IFN-γ and the Th2-type cytokine IL-4 indicated that the cellular and humoral responses to the intranasal vaccine were improved by the combination adjuvant. In addition, the intranasal vaccine formulated with the combination adjuvant induced long-term T lymphocyte memory with increased central (CD62L+CD44+) and effector (CD62L–CD44+) memory subsets of both CD4 and CD8 T cells in nasal-associated lymphoid tissue. Intranasal challenge with virulent PRV in mice showed that the protective efficacy of the intranasal PRV vaccine was improved by the combination adjuvant compared with the other single-adjuvanted vaccines. In summary, these data demonstrated that Gel 01 combined with the CVCVA5 adjuvant induced a synergistic effect to improve mucosal immunity and protective efficacy of the intranasally inactivated PRV vaccine in mice. It represents a promising vaccination approach against PRV infection.
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Affiliation(s)
- Tao Hua
- Institute of Veterinary Immunology & Engineering, Jiangsu Academy of Agricultural Sciences, Nanjing, China
- National Research Center of Veterinary Bio-product Engineering and Technology, Jiangsu Academy of Agricultural Science, Nanjing, China
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology, Nanjing, China
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, China
| | - Chen Chang
- Institute of Veterinary Immunology & Engineering, Jiangsu Academy of Agricultural Sciences, Nanjing, China
- National Research Center of Veterinary Bio-product Engineering and Technology, Jiangsu Academy of Agricultural Science, Nanjing, China
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology, Nanjing, China
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, China
| | - Xuehua Zhang
- Institute of Veterinary Immunology & Engineering, Jiangsu Academy of Agricultural Sciences, Nanjing, China
- National Research Center of Veterinary Bio-product Engineering and Technology, Jiangsu Academy of Agricultural Science, Nanjing, China
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology, Nanjing, China
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, China
| | - Yuqing Huang
- Institute of Veterinary Immunology & Engineering, Jiangsu Academy of Agricultural Sciences, Nanjing, China
- National Research Center of Veterinary Bio-product Engineering and Technology, Jiangsu Academy of Agricultural Science, Nanjing, China
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology, Nanjing, China
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, China
| | - Haiyan Wang
- Institute of Veterinary Immunology & Engineering, Jiangsu Academy of Agricultural Sciences, Nanjing, China
- National Research Center of Veterinary Bio-product Engineering and Technology, Jiangsu Academy of Agricultural Science, Nanjing, China
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology, Nanjing, China
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, China
| | - Daohua Zhang
- Institute of Veterinary Immunology & Engineering, Jiangsu Academy of Agricultural Sciences, Nanjing, China
- National Research Center of Veterinary Bio-product Engineering and Technology, Jiangsu Academy of Agricultural Science, Nanjing, China
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology, Nanjing, China
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, China
| | - Bo Tang
- Institute of Veterinary Immunology & Engineering, Jiangsu Academy of Agricultural Sciences, Nanjing, China
- National Research Center of Veterinary Bio-product Engineering and Technology, Jiangsu Academy of Agricultural Science, Nanjing, China
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology, Nanjing, China
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, China
- *Correspondence: Bo Tang,
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5
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Mohamed N, Hamad MA, Ghaleb AH, Esmat G, Elsabahy M. Applications of nanoengineered therapeutics and vaccines: special emphasis on COVID-19. IMMUNOMODULATORY EFFECTS OF NANOMATERIALS 2022. [PMCID: PMC9212255 DOI: 10.1016/b978-0-323-90604-3.00003-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Nanomedicine provides innovative strategies that had significantly improved drug and gene delivery and allowed control over the engineering of therapeutics, diagnostics, vaccines, and other medical devices, for a diversity of medical applications. This review focuses on the current attempts to develop potent nanoengineered vaccines and therapeutics against coronaviruses, and the recent fabrication strategies and design principles to control acute infections from the escalating SARS-CoV-2 pandemic. Nanomedical approaches provide versatile platforms that can be utilized to enhance the overall potency, safety, and stability of vaccines, thus augmenting the desired immune response. Their modulable conformational features of size, shape, surface charge, antigen display, and composition allow for precise tuning and optimization of the nanoconstructs for the management of a variety of diseases and pathological conditions. The ability to control the release of their encapsulated cargoes and the possibility of surface decoration with various moieties support the construction of multifunctional nanomaterials that ultimately boost and prolong the immune response elicited and/or therapeutic effects, selectively at the diseased tissues and target sites.
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6
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Li J, Yu X, Martinez EE, Zhu J, Wang T, Shi S, Shin SR, Hassan S, Guo C. Emerging Biopolymer-Based Bioadhesives. Macromol Biosci 2021; 22:e2100340. [PMID: 34957668 DOI: 10.1002/mabi.202100340] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 11/23/2021] [Indexed: 12/13/2022]
Abstract
Bioadhesives have been widely used in healthcare and biomedical applications due to their ease-of-operation for wound closure and repair compared to conventional suturing and stapling. However, several challenges remain for developing ideal bioadhesives, such as unsatisfied mechanical properties, non-tunable biodegradability, and limited biological functions. Considering these concerns, naturally derived biopolymers have been considered good candidates for making bioadhesives owing to their ready availability, facile modification, tunable mechanical properties, and desired biocompatibility and biodegradability. Over the past several years, remarkable progress has been made on biopolymer-based adhesives, covering topics from novel materials designs and advanced processing to clinical translation. The developed bioadhesives have been applied for diverse applications, including tissue adhesion, hemostasis, antimicrobial, wound repair/tissue regeneration, and skin-interfaced bioelectronics. Here in this comprehensive review, recent progress on biopolymer-based bioadhesives is summarized with focuses on clinical translations and multifunctional bioadhesives. Furthermore, challenges and opportunities such as weak adhesion strength at the hydrated state, mechanical mismatch with tissues, and unfavorable immune responses are discussed with an aim to facilitate the future development of high-performance biopolymer-based bioadhesives.
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Affiliation(s)
- Jinghang Li
- School of Engineering, Westlake University, Hangzhou, Zhejiang Province, 310024, China.,School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan, Hubei Province, 430205, China
| | - Xin Yu
- School of Engineering, Westlake University, Hangzhou, Zhejiang Province, 310024, China
| | | | - Jiaqing Zhu
- School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan, Hubei Province, 430205, China
| | - Ting Wang
- Department of Laboratory Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, 210029, China
| | - Shengwei Shi
- School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan, Hubei Province, 430205, China
| | - Su Ryon Shin
- Division of Engineering in Medicine, Department of Medicine, Harvard Medical School, and Brigham and Women's Hospital, Cambridge, MA, 02139, USA
| | - Shabir Hassan
- Division of Engineering in Medicine, Department of Medicine, Harvard Medical School, and Brigham and Women's Hospital, Cambridge, MA, 02139, USA
| | - Chengchen Guo
- School of Engineering, Westlake University, Hangzhou, Zhejiang Province, 310024, China
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7
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Vrettos NN, Roberts CJ, Zhu Z. Gastroretentive Technologies in Tandem with Controlled-Release Strategies: A Potent Answer to Oral Drug Bioavailability and Patient Compliance Implications. Pharmaceutics 2021; 13:pharmaceutics13101591. [PMID: 34683884 PMCID: PMC8539558 DOI: 10.3390/pharmaceutics13101591] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Revised: 09/22/2021] [Accepted: 09/27/2021] [Indexed: 11/24/2022] Open
Abstract
There have been many efforts to improve oral drug bioavailability and therapeutic efficacy and patient compliance. A variety of controlled-release oral delivery systems have been developed to meet these needs. Gastroretentive drug delivery technologies have the potential to achieve retention of the dosage form in the upper gastrointestinal tract (GIT) that can be sufficient to ensure complete solubilisation of the drugs in the stomach fluids, followed by subsequent absorption in the stomach or proximal small intestine. This can be beneficial for drugs that have an “absorption window” or are absorbed to a different extent in various segments of the GIT. Therefore, gastroretentive technologies in tandem with controlled-release strategies could enhance both the therapeutic efficacy of many drugs and improve patient compliance through a reduction in dosing frequency. The paper reviews different gastroretentive drug delivery technologies and controlled-release strategies that can be combined and summarises examples of formulations currently in clinical development and commercially available gastroretentive controlled-release products. The different parameters that need to be considered and monitored during formulation development for these pharmaceutical applications are highlighted.
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8
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Rabiul Islam M, Warsi F, Sayem Alam M, Ali M. Solvatochromic behaviour of coumarin 102 in PEGs + ionic liquid/water solutions: Role of solute-solvent or solvent-solvent interactions. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.116483] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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9
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Le NXT, Trinh KTL, Lee NY. Poly(acrylic acid) as an adhesion promoter for UV-assisted thermoplastic bonding: Application for the in vitro construction of human blood vessels. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 122:111874. [PMID: 33641892 DOI: 10.1016/j.msec.2021.111874] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Revised: 12/27/2020] [Accepted: 01/06/2021] [Indexed: 11/25/2022]
Abstract
In this study, we introduced a novel adhesion bonding method for fabricating thermoplastic microdevices using poly(acrylic acid) (PAA) as a UV-assisted adhesion promoter. The bonding mechanism was based on the covalent cross-links between poly(methyl methacrylate) (PMMA) and PAA via the free radicals in their carbon backbone generated under UV irradiation. The water contact angle and Fourier-transformed infrared (FTIR) analysis were performed to analyze the surface characteristics of the PAA-coated PMMA. PMMAs were bonded under UV treatment for 60 s with the highest bond strength of around 1.18 MPa. The PMMA microdevice was leak-proof for over 200 h. Besides, clog-free PMMA microdevices with various-sizes microchannels were performed to demonstrate such a high applicable bonding method for microdevice fabrication. Moreover, PMMAs were bonded with other thermoplastics with a bond strength of around 0.5 MPa. Notably, collagen was easily coated inside the PMMA microchannels via electrostatic interaction between PAA and collagen which is beneficial for on-device cell culture. As a result, a layered co-culture model of smooth muscle cells (SMCs) and human umbilical vein endothelial cells (HUVECs) was realized inside simple straight microchannels mimicking human blood vessel wall. Therefore, the introduced bonding method could pave the way for fabricating microdevice for cell-related applications.
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Affiliation(s)
- Nguyen Xuan Thanh Le
- Department of BioNano Technology, Gachon University, 1342 Seongnam-daero, Sujeong-gu, Seongnam-si, Gyeonggi-do 13120, Republic of Korea
| | - Kieu The Loan Trinh
- Department of Industrial Environmental Engineering, Gachon University, 1342 Seongnam-daero, Sujeong-gu, Seongnam-si, Gyeonggi-do 13120, Republic of Korea
| | - Nae Yoon Lee
- Department of BioNano Technology, Gachon University, 1342 Seongnam-daero, Sujeong-gu, Seongnam-si, Gyeonggi-do 13120, Republic of Korea.
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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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Yang SJ, Huang CH, Yang JC, Wang CH, Shieh MJ. Residence Time-Extended Nanoparticles by Magnetic Field Improve the Eradication Efficiency of Helicobacter pylori. ACS APPLIED MATERIALS & INTERFACES 2020; 12:54316-54327. [PMID: 33236884 DOI: 10.1021/acsami.0c13101] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Helicobacter pylori infection is one of the leading causes of several gastroduodenal diseases, such as gastritis, peptic ulcer, and gastric cancer. In fact, H. pylori eradication provides a preventive effect against the incidence of gastric cancer. Amoxicillin is a commonly used antibiotic for H. pylori eradication. However, due to its easy degradation by gastric acid, it is necessary to administer it in a large dosage and to combine it with other antibiotics. This complexity and the strong side effects of H. pylori eradication therapy often lead to treatment failure. In this study, the chitosan/poly (acrylic acid) particles co-loaded with superparamagnetic iron oxide nanoparticles and amoxicillin (SPIO/AMO@PAA/CHI) are used as drug nano-carriers for H. pylori eradication therapy. In vitro and in vivo results show that the designed SPIO/AMO@PAA/CHI nanoparticles are biocompatible and could retain the biofilm inhibition and the bactericidal effect of amoxicillin against H. pylori. Moreover, the mucoadhesive property of chitosan allows SPIO/AMO@PAA/CHI nanoparticles to adhere to the gastric mucus layer and rapidly pass through the mucus layer after exposure to a magnetic field. When PAA is added, it competes with amoxicillin for chitosan, so that amoxicillin is quickly and continuously released between the mucus layer and the gastric epithelium and directly acts on H. pylori. Consequently, the use of this nano-carrier can extend the drug residence time in the stomach, reducing the drug dose and treatment period of H. pylori eradication therapy.
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Affiliation(s)
- Shu-Jyuan Yang
- Institute of Biomedical Engineering, College of Medicine and College of Engineering, National Taiwan University, No. 1, Section 1, Jen-Ai Road, Taipei 100, Taiwan
| | - Chung-Huan Huang
- Institute of Biomedical Engineering, College of Medicine and College of Engineering, National Taiwan University, No. 1, Section 1, Jen-Ai Road, Taipei 100, Taiwan
| | - Jyh-Chin Yang
- Department of Internal Medicine, National Taiwan University Hospital and College of Medicine, No. 7, Chung-Shan South Road, Taipei 100, Taiwan
| | - Chung-Hao Wang
- Gene'e Tech Co. Ltd. 2F., No. 661, Bannan Road, Zhonghe District, New Taipei City 235, Taiwan
| | - Ming-Jium Shieh
- Institute of Biomedical Engineering, College of Medicine and College of Engineering, National Taiwan University, No. 1, Section 1, Jen-Ai Road, Taipei 100, Taiwan
- Department of Oncology, National Taiwan University Hospital and College of Medicine, No. 7, Chung-Shan South Road, Taipei 100, Taiwan
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12
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Guo H, Li F, Qiu H, Xu W, Li P, Hou Y, Ding J, Chen X. Synergistically Enhanced Mucoadhesive and Penetrable Polypeptide Nanogel for Efficient Drug Delivery to Orthotopic Bladder Cancer. RESEARCH 2020; 2020:8970135. [PMID: 32832909 PMCID: PMC7420878 DOI: 10.34133/2020/8970135] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/11/2019] [Accepted: 03/26/2020] [Indexed: 11/06/2022]
Abstract
Intravesical chemotherapy has been recommended after the gold standard of transurethral resection of the bladder tumor to prevent bladder cancer (BC) from local recurrence in the clinic. However, due to rapid urine excretion and barrier protection of the bladder wall, the clinical performances of chemotherapeutic drugs are severely compromised. In the present work, a smart positively charged disulfide-crosslinked nanogel of oligoarginine-poly(ethylene glycol)–poly(L-phenylalanine-co-L-cystine) (R9-PEG–P(LP-co-LC)) was prepared to prolong the retention period and enhance the penetration capability of chemotherapeutic agent toward the bladder wall. PEG significantly improved the aqueous dispersibility of the 10-hydroxycamptothecin (HCPT)-loaded R9-PEG–P(LP-co-LC) (i.e., R9NG/HCPT) and enhanced the mucoadhesive capability by the nonspecific interaction between PEG chain and the bladder mucosa accompanied with the electrostatic interaction between the cationic R9 and negatively charged bladder mucosa. Besides, R9, as a cell-penetrating peptide, efficiently penetrated through the cell membrane and delivered carried cargo. The disulfide bond endowed the selective release behavior of HCPT triggered by the intracellular reductive microenvironment. As an advanced chemotherapeutic nanoformulation, the smart R9NG/HCPT demonstrated superior cytotoxicity against human BC 5637 cells in vitro and remarkably enhanced tumor suppression activity toward orthotopic BC models of mouse and rat in vivo, indicating its great potential in the clinical intravesical BC chemotherapy.
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Affiliation(s)
- Hui Guo
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, China.,Department of Urinary Surgery, The First Hospital of Jilin University, 71 Xinmin Street, Changchun 130021, China
| | - Faping Li
- Department of Urinary Surgery, The First Hospital of Jilin University, 71 Xinmin Street, Changchun 130021, China
| | - Heping Qiu
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, China.,Department of Urinary Surgery, The First Hospital of Jilin University, 71 Xinmin Street, Changchun 130021, China
| | - Weiguo Xu
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, China
| | - Pengqiang Li
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, China
| | - Yuchuan Hou
- Department of Urinary Surgery, The First Hospital of Jilin University, 71 Xinmin Street, Changchun 130021, China
| | - Jianxun Ding
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, China
| | - Xuesi Chen
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, China
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Ilochonwu BC, Urtti A, Hennink WE, Vermonden T. Intravitreal hydrogels for sustained release of therapeutic proteins. J Control Release 2020; 326:419-441. [PMID: 32717302 DOI: 10.1016/j.jconrel.2020.07.031] [Citation(s) in RCA: 60] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Revised: 07/16/2020] [Accepted: 07/17/2020] [Indexed: 12/11/2022]
Abstract
This review highlights how hydrogel formulations can improve intravitreal protein delivery to the posterior segment of the eye in order to increase therapeutic outcome and patient compliance. Several therapeutic proteins have shown excellent clinical successes for the treatment of various intraocular diseases. However, drug delivery to the posterior segment of the eye faces significant challenges due to multiple physiological barriers preventing drugs from reaching the retina, among which intravitreal protein instability and rapid clearance from the site of injection. Hence, frequent injections are required to maintain therapeutic levels. Moreover, because the world population ages, the number of patients suffering from ocular diseases, such as age-related macular degeneration (AMD) and diabetic retinopathy (DR) is increasing and causing increased health care costs. Therefore, there is a growing need for suitable delivery systems able to tackle the current limitations in retinal protein delivery, which also may reduce costs. Hydrogels have shown to be promising delivery systems capable of sustaining release of therapeutic proteins and thus extending their local presence. Here, an extensive overview of preclinically developed intravitreal hydrogels is provided with attention to the rational design of clinically useful intravitreal systems. The currently used polymers, crosslinking mechanisms, in vitro/in vivo models and advancements are discussed together with the limitations and future perspective of these biomaterials.
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Affiliation(s)
- Blessing C Ilochonwu
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Universiteitsweg 99, 3584 CG Utrecht, The Netherlands
| | - Arto Urtti
- Centre for Drug Research, Division of Pharmaceutical Biosciences, University of Helsinki, Helsinki, Finland; School of Pharmacy, University of Eastern Finland, Kuopio, Finland
| | - Wim E Hennink
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Universiteitsweg 99, 3584 CG Utrecht, The Netherlands
| | - Tina Vermonden
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Universiteitsweg 99, 3584 CG Utrecht, The Netherlands.
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14
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Porfiryeva NN, Moustafine RI, Khutoryanskiy VV. PEGylated Systems in Pharmaceutics. POLYMER SCIENCE SERIES C 2020. [DOI: 10.1134/s181123822001004x] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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15
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Tsai CY, Chung CH, Hong JL. Pyrene-Terminated, Amphiphilic Polypeptide and Its Hydrogen-Bonded Interpolymer Complex as Delivery Systems of Doxorubicin. ACS OMEGA 2018; 3:4423-4432. [PMID: 31458669 PMCID: PMC6641489 DOI: 10.1021/acsomega.8b00124] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2018] [Accepted: 03/29/2018] [Indexed: 05/10/2023]
Abstract
The intensity ratio between the first (373 nm) and the third (383 nm) vibronic peaks [I 1/I 3, as the pyrene (Py) scale] of fluorescent Py was used to monitor the critical concentration, drug-loading, and -releasing behaviors of a Py-terminated, amphiphilic polypeptide PPM and its hydrogen-bonded interpolymer complex (HIPC) with poly(acrylic acid) (PAA). Primarily, an amphiphilic PPM with a hydrophobic Py terminal and hydrophilic methoxy-bis(ethylene oxide) pendant groups was synthesized through multiple preparative steps, and the resultant PPM was thoroughly mixed with PAA through a preferable hydrogen bond (H bond) interaction to form HIPC. The emission study suggested that the I 1/I 3 ratio and the quantum yield (ΦF) are effective in determining the critical concentrations of the aqueous PPM and PPM/PAA solutions. Moreover, the I 1/I 3 ratio and ΦF were found to be convenient measures for determining the amounts of doxorubicin drugs loaded by and released from the aqueous PPM and PPM/PAA solutions.
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Affiliation(s)
- Chun-Yi Tsai
- Formosa
Chemicals & Fibre Corporation, No. 1, Taisu Industrial Park, Mailiao Township, Yunlin County 63801, Taiwan
| | - Chin-Hsiang Chung
- Department
of Materials and Optoelectronic Science, National Sun Yat-sen University, Kaohsiung 80424, Taiwan
| | - Jin-Long Hong
- Department
of Materials and Optoelectronic Science, National Sun Yat-sen University, Kaohsiung 80424, Taiwan
- E-mail: .
Phone: +886-7-5252000-4065 (J.-L.H.)
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16
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Lim WS, Chen K, Chong TW, Xiong GM, Birch WR, Pan J, Lee BH, Er PS, Salvekar AV, Venkatraman SS, Huang Y. A bilayer swellable drug-eluting ureteric stent: Localized drug delivery to treat urothelial diseases. Biomaterials 2018; 165:25-38. [PMID: 29501967 DOI: 10.1016/j.biomaterials.2018.02.035] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Revised: 02/14/2018] [Accepted: 02/18/2018] [Indexed: 10/18/2022]
Abstract
A bilayer swellable drug-eluting ureteric stent (BSDEUS) is engineered and implemented, as a sustained drug delivery platform technology that enhances localized drug delivery to the highly impermeable urothelium, for the treatment of urothelial diseases such as strictures and carcinomas. On deployment, the device swells to co-apt with the ureteric wall and ensure drug availability to these tissues. BSDEUS consists of a stent spray-coated with a polymeric drug containing polylactic acid-co-caprolactone (PLC) layer which is overlaid by a swellable polyethylene glycol diacrylate (PEGDA) based hydrogel. In-vitro quantification of released drug demonstrated a tunable time-profile, indicating sustained delivery over 1-month. The PEGDA hydrogel overlayer enhanced drug release and transport into explanted porcine ureteric tissues ex-vivo, under a simulated dynamic fluid flow. A preliminary pilot in-vivo feasibility study, in a porcine model, demonstrated that the swollen hydrogel co-apts with the urothelium and thus enables localized drug delivery to the target tissue section. Kidney functions remained unaffected and device did not result in either hydronephrosis or systemic toxicity. This successful engineering of a bilayer coated stent prototype, demonstrates its feasibility, thus offering a unique solution for drug-based urological therapy.
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Affiliation(s)
- Wei Shan Lim
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore; Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way Innovis, Singapore, 138634, Singapore; Sino-Singapore International Joint Research Institute, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore.
| | - Kenneth Chen
- Department of Urology, Singapore General Hospital, 20 College Road, Singapore, 169856, Singapore.
| | - Tsung Wen Chong
- Department of Urology, Singapore General Hospital, 20 College Road, Singapore, 169856, Singapore
| | - Gordon Minru Xiong
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - William R Birch
- Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way Innovis, Singapore, 138634, Singapore
| | - Jisheng Pan
- Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way Innovis, Singapore, 138634, Singapore
| | - Bae Hoon Lee
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore; School of Biomedical Engineering, School of Ophthalmology and Optometry, Eye Hospital, Wenzhou Medical University, Wenzhou, 325027, China; Wenzhou Institute of Biomaterials and Engineering, CNITECH, CAS, Wenzhou, 325001, China
| | - Pei Shan Er
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Abhijit Vijay Salvekar
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Subbu S Venkatraman
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore; Sino-Singapore International Joint Research Institute, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore.
| | - Yingying Huang
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore; Sino-Singapore International Joint Research Institute, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore.
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17
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Huckaby JT, Lai SK. PEGylation for enhancing nanoparticle diffusion in mucus. Adv Drug Deliv Rev 2018; 124:125-139. [PMID: 28882703 DOI: 10.1016/j.addr.2017.08.010] [Citation(s) in RCA: 228] [Impact Index Per Article: 38.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2017] [Revised: 08/29/2017] [Accepted: 08/30/2017] [Indexed: 02/07/2023]
Abstract
The viscoelastic mucus secretions coating exposed organs such as the lung airways and the female reproductive tract can trap and quickly eliminate not only foreign pathogens and ultrafine particles but also particle-based drug delivery systems, thus limiting sustained and targeted drug delivery at mucosal surfaces. To improve particle distribution across the mucosa and enhance delivery to the underlying epithelium, many investigators have sought to develop nanoparticles capable of readily traversing mucus. The first synthetic nanoparticles shown capable of rapidly penetrating physiological mucus secretions utilized a dense coating of polyethylene glycol (PEG) covalently grafted onto the surface of preformed polymeric nanoparticles. In the decade since, PEG has become the gold standard in engineering mucus-penetrating drug carriers for sustained and targeted drug delivery to the lungs, gastrointestinal tract, eyes, and female reproductive tract. This review summarizes the history of the development of various PEG-based mucus-penetrating particles, and highlights the key physicochemical properties of PEG coatings and PEGylation strategies to achieve muco-inert PEG coatings on nanoparticle drug carriers for improved drug and gene delivery at mucosal surfaces.
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18
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Saleh Mohammadnia M, Hemmati S, Ghasemi N. Preparation of Reinforced poly (BisGMA-UDMA) Graphene-Based Nanocomposites Via Moderate in Situ SET-LRP. JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY 2017. [DOI: 10.1080/10601325.2017.1387487] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
| | - Salar Hemmati
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Nahid Ghasemi
- Department of Chemistry, Sciences Faculty, Arak Branch, Islamic Azad University, Arak, Iran
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19
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Roh J, Han M, Kim KN, Kim KM. The in vitro and in vivo effects of a fast-dissolving mucoadhesive bi-layered strip as topical anesthetics. Dent Mater J 2017; 35:601-5. [PMID: 27477225 DOI: 10.4012/dmj.2015-369] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
To overcome pain on injection, the dentist can apply a topical anesthetic spray. Despite the convenience, it is not easy to apply it locally. So, we developed an oral mucoadhesive bi-layer film containing an anesthetic. We used polyvinylpyrrolidone (PVP)/hydroxypropyl methylcellulose (HPMC) and HPMC-only layer as the drug-containing layer and ethyl cellulose (EC) as the backing layer. The lidocaine released was tested in vitro together with the adhesion time and cytotoxicity of the film. Mucosa permeability was tested in vivo. Statistical analysis was performed, with p at 0.05 taken to be significant. The lidocaine was released significantly faster in the PVP/HPMC than HPMC-only group and 80% of the drug was released within 1 min (p<0.05) and they attached at least 3 h. The test groups showed no toxicity and the drug effectively permeated the mucosa (p<0.05). We suggest this new mucoadhesive anesthetic may reduce dental phobia.
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Affiliation(s)
- Jiyeon Roh
- BK 21 PLUS Project, Yonsei University College of Dentistry
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20
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Guo H, Xu W, Chen J, Yan L, Ding J, Hou Y, Chen X. Positively charged polypeptide nanogel enhances mucoadhesion and penetrability of 10-hydroxycamptothecin in orthotopic bladder carcinoma. J Control Release 2017; 259:136-148. [DOI: 10.1016/j.jconrel.2016.12.041] [Citation(s) in RCA: 74] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2016] [Revised: 12/21/2016] [Accepted: 12/30/2016] [Indexed: 02/06/2023]
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21
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Schattling P, Taipaleenmäki E, Zhang Y, Städler B. A Polymer Chemistry Point of View on Mucoadhesion and Mucopenetration. Macromol Biosci 2017; 17. [PMID: 28675773 DOI: 10.1002/mabi.201700060] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2017] [Revised: 06/07/2017] [Indexed: 12/20/2022]
Abstract
Although oral is the preferred route of administration of pharmaceutical formulations, the long-standing challenge for medically active compounds to efficiently cross the mucus layer barrier limits its wider applicability. Efforts in nanomedicine to overcome this hurdle consider mucoadhesive and mucopenetrating drug carriers by selectively designing (macromolecular) building blocks. This review highlights and critically discusses recent strategies developed in this context including poly(ethylene glycol)-based modifications, cationic and thiolated polymers, as well as particles with high charge density, zeta-potential shifting ability, or mucolytic properties. The latest advances in ex vivo test platforms are also reviewed.
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Affiliation(s)
- Philipp Schattling
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Gustav-Wieds Vej 14, 8000, Aarhus, Denmark
| | - Essi Taipaleenmäki
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Gustav-Wieds Vej 14, 8000, Aarhus, Denmark
| | - Yan Zhang
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Gustav-Wieds Vej 14, 8000, Aarhus, Denmark
| | - Brigitte Städler
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Gustav-Wieds Vej 14, 8000, Aarhus, Denmark
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22
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Raafat AI, Mahmoud GA, Ali AEH, Badawy NA, Elshahawy MF. In vitro evaluation of mucoadhesive and self-disinfection efficiency of (acrylic acid/polyethylene glycol)-silver nanocomposites for buccal drug delivery. J BIOACT COMPAT POL 2017. [DOI: 10.1177/0883911517710665] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
A mucoadhesive drug delivery system can improve the effectiveness of a drug, allowing targeting and localization at a specific site. According to this assumption, γ-irradiation as eco-friendly technique was employed to synthesize (acrylic acid/polyethylene glycol) copolymer hydrogel of different compositions. Silver nanoparticles were prepared within (acrylic acid/polyethylene glycol) hydrogel network by means of in situ reduction of silver nitrate using sodium borohydride as a reducing agent. Swelling characteristics in distilled water and simulated saliva solution were studied as a function of copolymer composition and preparation irradiation dose. (Acrylic acid/polyethylene glycol) hydrogels and their developed Agº nanocomposites have been characterized using scanning electron microscope, thermogravimetric analysis, transmission electron microscopy, energy dispersive X-ray spectroscopy, and X-ray diffraction. Mucoadhesive strength as well as self-disinfection efficiency expressed as antibacterial activity against different bacterial strains was evaluated. Propranolol HCl as model drug was used to evaluate the potential efficiency of the obtained (acrylic acid/polyethylene glycol)-Agº nanocomposites as mucoadhesive drug carrier. The obtained results showed that the (acrylic acid/polyethylene glycol)-Agº nanocomposites show a promising self-disinfection property, and the propranolol HCl–loaded composites were able to deliver the loaded drug in a sustainable manner that lasts for about 600 min.
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Affiliation(s)
- Amany I Raafat
- Polymer Chemistry Department, National Center for Radiation Research and Technology (NCRRT), Atomic Energy Authority, Cairo, Egypt
| | - Ghada A Mahmoud
- Polymer Chemistry Department, National Center for Radiation Research and Technology (NCRRT), Atomic Energy Authority, Cairo, Egypt
| | - Amr El-Hag Ali
- Polymer Chemistry Department, National Center for Radiation Research and Technology (NCRRT), Atomic Energy Authority, Cairo, Egypt
| | - Nagwa A Badawy
- Department of Chemistry, Faculty of Science, Al-Azhar University, Cairo, Egypt
| | - Mai F Elshahawy
- Polymer Chemistry Department, National Center for Radiation Research and Technology (NCRRT), Atomic Energy Authority, Cairo, Egypt
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23
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Nesrinne S, Djamel A. Synthesis, characterization and rheological behavior of pH sensitive poly(acrylamide-co-acrylic acid) hydrogels. ARAB J CHEM 2017. [DOI: 10.1016/j.arabjc.2013.11.027] [Citation(s) in RCA: 83] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
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24
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Montero-Padilla S, Velaga S, Morales JO. Buccal Dosage Forms: General Considerations for Pediatric Patients. AAPS PharmSciTech 2017; 18:273-282. [PMID: 27301872 DOI: 10.1208/s12249-016-0567-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2016] [Accepted: 06/03/2016] [Indexed: 01/08/2023] Open
Abstract
The development of an appropriate dosage form for pediatric patients needs to take into account several aspects, since adult drug biodistribution differs from that of pediatrics. In recent years, buccal administration has become an attractive route, having different dosage forms under development including tablets, lozenges, films, and solutions among others. Furthermore, the buccal epithelium can allow quick access to systemic circulation, which could be used for a rapid onset of action. For pediatric patients, dosage forms to be placed in the oral cavity have higher requirements for palatability to increase acceptance and therapy compliance. Therefore, an understanding of the excipients required and their functions and properties needs to be particularly addressed. This review is focused on the differences and requirements relevant to buccal administration for pediatric patients (compared to adults) and how novel dosage forms can be less invasive and more acceptable alternatives.
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25
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Sarkar D, Nandi G, Changder A, Hudati P, Sarkar S, Ghosh LK. Sustained release gastroretentive tablet of metformin hydrochloride based on poly (acrylic acid)-grafted-gellan. Int J Biol Macromol 2016; 96:137-148. [PMID: 27956100 DOI: 10.1016/j.ijbiomac.2016.12.022] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Revised: 11/19/2016] [Accepted: 12/05/2016] [Indexed: 11/25/2022]
Abstract
Development of a gastroretentive sustained release tablet of metformin based on poly (acrylic acid)-grafted-gellan (PAAc-g-GG) is the main purpose of this study. At first, PAAc-g-GG was synthesized by microwave-promoted free radical initiation method using cerric (IV) ammonium nitrate (CAN) as redox initiator and characterized by elemental analysis, FTIR, DSC-TGA, 13C NMR, biodegradation and viscosity study. The synthetic parameters were optimized by 23 full factorial design using Design Expert software. Acute oral toxicity and histological studies were also performed as per OECD guideline. Tablets were then prepared employing wet granulation method using PAAc-g-GG and evaluated for various physical characters, in vitro drug release, ex-vivo mucoadhesion and swelling. Compatibility between drug and excipients was checked by DSC and FTIR analysis. The F3 batch showed excellent mucoadhesion and sustained drug release over a period of 10h with dissolution similarity factor, f2=77.43. Kinetic modeling unveiled Case-1 Fickian diffusion based drug release mechanism.
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Affiliation(s)
- Debjani Sarkar
- Department of Pharmaceutical Technology, Jadavpur University, Kolkata 700032, India
| | - Gouranga Nandi
- BCDA College of Pharmacy & Technology, 78, Jessore Road (S), Hridaypur, Kolkata 700127, India.
| | - Abhijit Changder
- Department of Pharmaceutical Technology, Jadavpur University, Kolkata 700032, India
| | - Prasenjit Hudati
- Department of Pharmaceutical Technology, Jadavpur University, Kolkata 700032, India
| | - Sayani Sarkar
- Bengal School of Technology, Sugandha, Delhi Road, Hooghly, West Bengal, 712102, India
| | - Lakshmi Kanta Ghosh
- Department of Pharmaceutical Technology, Jadavpur University, Kolkata 700032, India
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26
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Ayres E, Ferreira CR, Lima TH, Martins GS, Villanova JCO, Oréfice RL. Self-crosslinkable complexes based on poly(ethylene glycol) (PEG), poly(itaconic acid) (PIA) and N-methylol acrylamide (NMA) as pharmaceutical hydrophilic matrices. Polym Bull (Berl) 2015. [DOI: 10.1007/s00289-015-1473-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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27
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Alizadeh R, Ghaemy M. pH-responsive ABC type miktoarm star terpolymers: Synthesis via combination of click reaction and SET-LRP, characterization, self-assembly, and controlled drug release. POLYMER 2015. [DOI: 10.1016/j.polymer.2015.04.034] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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28
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Wang Y, Chai Z, Wang N, Sun Y, Yan Y, Gao L. Multiple Sensitivity Study of Boronic Acid-Functionalized Nanoparticles Based on the Complexation of Poly (3-methacrylamido phenylboronic acid) and Dextran. JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY 2015. [DOI: 10.1080/10601325.2015.1007271] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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29
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Ruiz-Rubio L, Álvarez V, Lizundia E, Vilas JL, Rodríguez M, León LM. Influence of α-methyl substitutions on interpolymer complexes formation between poly(meth)acrylic acids and poly(N-isopropyl(meth)acrylamide)s. Colloid Polym Sci 2015. [DOI: 10.1007/s00396-015-3529-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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30
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Fu Q, Xu J, Ladewig K, Henderson TMA, Qiao GG. Degradable cross-linked polymer vesicles for the efficient delivery of platinum drugs. Polym Chem 2015. [DOI: 10.1039/c4py01123f] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Nontoxic and acid-degradable polymer vesicles were synthesized as drug carriers. In vitro dose–response cytotoxicity studies suggested that the drug-loaded polymer vesicles were more efficient in delivering cis-platin into cancer cells compared to the internalization of the free drug.
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Affiliation(s)
- Q. Fu
- Polymer Science Group
- Department of Chemical and Biomolecular Engineering
- The University of Melbourne
- Parkville
- Australia
| | - J. Xu
- Polymer Science Group
- Department of Chemical and Biomolecular Engineering
- The University of Melbourne
- Parkville
- Australia
| | - K. Ladewig
- Polymer Science Group
- Department of Chemical and Biomolecular Engineering
- The University of Melbourne
- Parkville
- Australia
| | - T. M. A. Henderson
- Polymer Science Group
- Department of Chemical and Biomolecular Engineering
- The University of Melbourne
- Parkville
- Australia
| | - G. G. Qiao
- Polymer Science Group
- Department of Chemical and Biomolecular Engineering
- The University of Melbourne
- Parkville
- Australia
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31
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Ruiz-Rubio L, Vilas JL, Rodríguez M, León LM. Thermal behaviour of H-bonded interpolymer complexes based on polymers with acrylamide or lactame groups and poly(acrylic acid): Influence of N-alkyl and α-methyl substitutions. Polym Degrad Stab 2014. [DOI: 10.1016/j.polymdegradstab.2014.07.012] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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32
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Wang Y, Chai Z, Ma L, Shi C, Shen T, Song J. Fabrication of boronic acid-functionalized nanoparticles via boronic acid–diol complexation for drug delivery. RSC Adv 2014. [DOI: 10.1039/c4ra05034g] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Oral transmucosal drug delivery for pediatric use. Adv Drug Deliv Rev 2014; 73:50-62. [PMID: 23999459 DOI: 10.1016/j.addr.2013.08.011] [Citation(s) in RCA: 80] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2013] [Revised: 07/13/2013] [Accepted: 08/22/2013] [Indexed: 12/25/2022]
Abstract
The formulation of medicines for children remains a challenge. An ideal pediatric formulation must allow accurate dose administration and be in a dosage form that can be handled by the target age group. It is also important to consider the choices and the amount of excipients used in the formulation for this vulnerable age group. Although oral formulations are generally acceptable to most pediatric patients, they are not suitable for drugs with poor oral bioavailability or when a rapid clinical effect is required. In recent years, oral transmucosal delivery has emerged as an attractive route of administration for pediatric patients. With this route of administration, a drug is absorbed through the oral mucosa, therefore bypassing hepatic first pass metabolism and thus avoiding drug degradation or metabolism in the gastrointestinal tract. The high blood flow and relatively high permeability of the oral mucosa allow a quick onset of action to be achieved. It is a simple and non-invasive route of drug administration. However, there are several barriers that need to be overcome in the development of oral transmucosal products. This article aims to provide a comprehensive review of the current development of oral transmucosal delivery specifically for the pediatric population in order to achieve systemic drug delivery. The anatomical and physiological properties of the oral mucosa of infants and young children are carefully examined. The different dosage forms and formulation strategies that are suitable for young patients are discussed.
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Tiyaboonchai W, Rodleang I, Ounaroon A. Mucoadhesive polyethylenimine-dextran sulfate nanoparticles containing Punica granatum peel extract as a novel sustained-release antimicrobial. Pharm Dev Technol 2014; 20:426-32. [PMID: 24438035 DOI: 10.3109/10837450.2013.879884] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Mucoadhesive polyethylenimine-dextran sulfate nanoparticles (PDNPs) were developed for local oral mucosa delivery. Punica granatum peel extract (PGE) was loaded into PDNPs for oral malodor reduction and caries prevention. PDNPs were constructed using the polyelectrolyte complexation technique employing oppositely charged polymers polyethylenimine (PEI) and dextran sulfate (DS), with PEG 400 as a stabilizer. Under optimal conditions, spherical particles of ∼ 500 nm with a zeta potential of ∼+28 mV were produced. Up to 98%, drug entrapment efficiency was observed. The mass ratio of PEI:DS played a significant role in controlling particle size and entrapment efficacy. PDNPs shown to be a good mucoadhesive drug delivery system as confirmed by ex vivo wash off test. In vitro dissolution studies revealed that PGE-loaded PDNPs manifested a prolong release characteristic with a burst release within 5 min. In addition, they remained effectively against oral bacteria.
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Affiliation(s)
- Waree Tiyaboonchai
- Department of Pharmaceutical Technology, Faculty of Pharmaceutical Sciences, Naresuan University , Phitsanulok , Thailand
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35
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Ali A, Ali M, Malik NA, Uzair S. Unusual solvatochromic absorbance probe behaviour within mixtures of poly(ethylene glycol)-400+ionic liquid, [bmim][Tf2N]. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2013; 121:363-371. [PMID: 24280298 DOI: 10.1016/j.saa.2013.10.121] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2013] [Revised: 10/24/2013] [Accepted: 10/31/2013] [Indexed: 06/02/2023]
Abstract
The potentially green solvents made up of ionic liquids (ILs) and poly(ethylene glycols) may have wide range of the applications in many chemical and biochemical fields. In the present work, solvatochromic absorbance probe behaviour is used to assess the physicochemical properties of the mixtures composed of PEG-400+IL, 1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide, [bmim][Tf2N]. Lowest energy intramolecular charge-transfer absorbance maxima of a betaine dye, i.e., E(T)(N), indicates the dipolarity/polarizability and/or hydrogen-bond donating (HBD) acidity of the [bmim][Tf2N]+PEG-400 mixtures to be even higher than that of neat [bmim][Tf2N], the solution component with higher dipolarity/polarizability and/or HBD acidity. Dipolarity/polarizability (π(∗)) obtained separately from the electronic absorbance response of probe N,N-diethyl-4-nitroaniline, and the HBD acidity (α) of PEG-400+[bmim][Tf2N] mixtures are also observed to be anomalously high. A comparative study of the PEG+IL mixtures has also been done with PEG-400+molecular organic solvents (protic polar [methanol], aprotic polar [N,N-dimethylformamide], and non polar, [benzene]) mixtures, but these mixtures do not show this type of unusual behaviour. A four-parameter simplified combined nearly ideal binary solvent/Redlich-Kister (CNIBS/R-K) equation is shown to satisfactorily predict the solvatochromic parameters within PEG-400+different solvent mixtures.
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Affiliation(s)
- Anwar Ali
- Department of Chemistry, Jamia Millia Islamia (Central University), New Delhi 110025, India.
| | - Maroof Ali
- Department of Chemistry, Jamia Millia Islamia (Central University), New Delhi 110025, India
| | - Nisar Ahmad Malik
- Department of Chemistry, Jamia Millia Islamia (Central University), New Delhi 110025, India
| | - Sahar Uzair
- Department of Chemistry, Jamia Millia Islamia (Central University), New Delhi 110025, India
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Nizam El-Din HM, El-Naggar AWM. Radiation synthesis of magnetic sensitive ferrogels from poly(ethylene glycol) and methacrylic acid as drug delivery matrices for vitamin B12. Des Monomers Polym 2013. [DOI: 10.1080/15685551.2013.840506] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
Affiliation(s)
- Horia M. Nizam El-Din
- Polymer Chemistry Department, National Center for Radiation Research and Technology, P.O. Box 29, Nasr City, Cairo, Egypt
| | - Abdel Wahab M. El-Naggar
- Radiation Chemistry Department, National Center for Radiation Research and Technology, P.O. Box 29, Nasr City, Cairo, Egypt
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Yao X, Peng R, Ding J. Cell-material interactions revealed via material techniques of surface patterning. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2013; 25:5257-5286. [PMID: 24038153 DOI: 10.1002/adma.201301762] [Citation(s) in RCA: 358] [Impact Index Per Article: 32.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2013] [Revised: 07/15/2013] [Indexed: 06/02/2023]
Abstract
Cell-material interactions constitute a key fundamental topic in biomaterials study. Various cell cues and matrix cues as well as soluble factors regulate cell behaviors on materials. These factors are coupled with each other as usual, and thus it is very difficult to unambiguously elucidate the role of each regulator. The recently developed material techniques of surface patterning afford unique ways to reveal the underlying science. This paper reviews the pertinent material techniques to fabricate patterns of microscale and nanoscale resolutions, and corresponding cell studies. Some issues are emphasized, such as cell localization on patterned surfaces of chemical contrast, and effects of cell shape, cell size, cell-cell contact, and seeding density on differentiation of stem cells. Material cues to regulate cell adhesion, cell differentiation and other cell events are further summed up. Effects of some physical properties, such as surface topography and matrix stiffness, on cell behaviors are also discussed; nanoscaled features of substrate surfaces to regulate cell fate are summarized as well. The pertinent work sheds new insight into the cell-material interactions, and is stimulating for biomaterial design in regenerative medicine, tissue engineering, and high-throughput detection, diagnosis, and drug screening.
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Affiliation(s)
- Xiang Yao
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Advanced Materials Laboratory, Fudan University, 200433, Shanghai, China
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38
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Khutoryanskaya OV, Morrison PWJ, Seilkhanov SK, Mussin MN, Ozhmukhametova EK, Rakhypbekov TK, Khutoryanskiy VV. Hydrogen-bonded complexes and blends of poly(acrylic acid) and methylcellulose: nanoparticles and mucoadhesive films for ocular delivery of riboflavin. Macromol Biosci 2013; 14:225-34. [PMID: 24106128 DOI: 10.1002/mabi.201300313] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2013] [Revised: 08/09/2013] [Indexed: 11/08/2022]
Abstract
Poly(acrylic acid) (PAA) and methylcellulose (MC) are able to form hydrogen-bonded interpolymer complexes (IPCs) in aqueous solutions. In this study, the complexation between PAA and MC is explored in dilute aqueous solutions under acidic conditions. The formation of stable nanoparticles is established, whose size and colloidal stability are greatly dependent on solution pH and polymers ratio in the mixture. Poly(acrylic acid) and methylcellulose are also used to prepare polymeric films by casting from aqueous solutions. It is established that uniform films can be prepared by casting from polymer mixture solutions at pH 3.4-4.5. At lower pHs (pH < 3.0) the films have inhomogeneous morphology resulting from strong interpolymer complexation and precipitation of polycomplexes, whereas at higher pHs (pH 8.3) the polymers form fully immiscible blends because of the lack of interpolymer hydrogen-bonding. The PAA/MC films cast at pH 4 are shown to be non-irritant to mucosal surfaces. These films provide a platform for ocular formulation of riboflavin, a drug used for corneal cross-linking in the treatment of keratoconus. An in vitro release of riboflavin as well as an in vivo retention of the films on corneal surfaces can be controlled by adjusting PAA/MC ratio in the formulations.
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Affiliation(s)
- Olga V Khutoryanskaya
- School of Pharmacy, University of Reading, Whiteknights, PO Box 224, Reading RG6 6AD, Berkshire, UK
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Kumar K, Dhawan N, Sharma H, Vaidya S, Vaidya B. Bioadhesive polymers: Novel tool for drug delivery. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2013; 42:274-83. [DOI: 10.3109/21691401.2013.815194] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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40
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Das S, Joseph MT, Sarkar D. Hydrogen bonding interpolymer complex formation and study of its host-guest interaction with cyclodextrin and its application as an active delivery vehicle. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2013; 29:1818-1830. [PMID: 23373846 DOI: 10.1021/la304466z] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Interpolymer complex formation through hydrogen bonding has been investigated between two polymers: poly(acrylamide) (PAAm) and poly(vinyl alcohol) (PVA). The differential properties of the interpolymer complex with varying molecular weights of PVA have been studied by taking three different molecular weights of PVA. Furthermore, the host-guest interaction between the interpolymer complexes prepared and β-cyclodextrin (β-CD) has also been studied in detail. PAAm can form interpolymer complexes with PVA because of a cooperative hydrogen bonding interaction. The addition of β-CD to a dilute aqueous solution of PAAm-PVA results in a competition between interpolymer hydrogen bonding and host-guest interactions. In this article, we have tried to decipher the complex chemistry that occurs in the microheterogeneous solution. The PAAm-PVA binary system and the PAAm-PVA-β-CD ternary systems have been well characterized by using a fluorescent probe, coumarin-102. Dynamic light scattering (DLS), Fourier transform infrared (FTIR), fluorescence microscopy, and time-resolved fluorescence studies have been performed to substantiate steady-state fluorescence experiments. The results indicate the occurrence of a competitive interaction between the hydrogen bonding of the interpolymer complexes and the host-guest interaction with β-CD, whereby the later predominates. It is probable that the hydrophobic cavity of β-CD is threaded with linear polymers, thus forming a macromolecular supraassembly. It has also been concluded that PAAm preferentially interacts with β-CD by compromising its interaction with PVA. The enhanced deposition and retention of actives with this system was studied with a single species regrowth assay, antibacterial efficacy and the cell viability were studied using the live-dead staining protocol. This therefore opens new avenues in the targeted delivery of actives.
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Affiliation(s)
- Somnath Das
- Unilever R and D Bangalore, 64 Main Road, Whitefield, Bangalore 560066, India
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41
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Wang Y, Zhang X, Mu J, Li C. Synthesis and pH/sugar/salt-sensitivity study of boronate crosslinked glycopolymer nanoparticles. NEW J CHEM 2013. [DOI: 10.1039/c2nj40998d] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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42
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Aljayyoussi G, Abdulkarim M, Griffiths P, Gumbleton M. Pharmaceutical nanoparticles and the mucin biopolymer barrier. BIOIMPACTS : BI 2012; 2:173-4. [PMID: 23678457 DOI: 10.5681/bi.2012.029] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 11/08/2012] [Revised: 11/20/2012] [Accepted: 11/21/2012] [Indexed: 11/17/2022]
Abstract
Mucus in the gastrointestinal tract remains a tenacious barrier that restricts the passage of many orally administered compounds into the GIT's epithelial layer and consequently into the systemic circulation. This results in significant decreases in the oral bioavailability of many therapeutic molecules. Nanoparticles offer an avenue to surpass this mucus barrier. They can be used as drug carriers to improve the bioavailability of many compounds that are restricted by mucus. Nanoparticles achieve penetration of the mucus barrier through a multitude of properties that they possess as their size, charge density, and surface functional groups which can all be tailored to achieve optimal penetration of the thick and fibrous mucus barrier. This article offers a quick review about the use of nanoparticles as drug carriers to increase mucus penetration in the gastro intestinal tract.
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Affiliation(s)
- Ghaith Aljayyoussi
- Cardiff School of Pharmacy and Pharmaceutical Science, Cardiff University, CF10 3NB, UK
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43
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Nizam El-Din HM, El-Naggar AWM. Radiation synthesis of acrylic acid/polyethyleneimine interpenetrating polymer networks (IPNs) hydrogels and its application as a carrier of atorvastatin drug for controlling cholesterol. Eur Polym J 2012. [DOI: 10.1016/j.eurpolymj.2012.06.014] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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44
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Kirch† J, Ruge CA, Schneider† C, Hanes J, Lehr* CM. Nanostructures for Overcoming the Pulmonary Barriers: Physiological Considerations and Mechanistic Issues. NANOSTRUCTURED BIOMATERIALS FOR OVERCOMING BIOLOGICAL BARRIERS 2012. [DOI: 10.1039/9781849735292-00239] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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45
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Huang C, Neoh KG, Xu L, Kang ET, Chiong E. Polymeric nanoparticles with encapsulated superparamagnetic iron oxide and conjugated cisplatin for potential bladder cancer therapy. Biomacromolecules 2012; 13:2513-20. [PMID: 22793172 DOI: 10.1021/bm300739w] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Amphiphilic poly(ε-caprolactone)-b-poly(propargyl methacrylate-click-mercaptosuccinic acid-co-poly(ethylene glycol) methyl ether methacrylate) (PCL-b-P(PMA-click-MSA-co-PEGMA)) were synthesized by a combination of ring-opening polymerization, reversible addition-fragmentation chain transfer (RAFT) polymerization, and thiol-yne "click" reaction. The hydrophobic PCL core can be used to load superparamagnetic iron oxide nanoparticles (SPIONs), while the pendant dicarboxylic groups in the hydrophilic shell are used to coordinate cisplatin. These SPIONs-loaded, cisplatin-conjugated polymeric nanoparticles (Pt-Fe-PNs) are superparamagnetic at room temperature and are mucoadhesive. Release of cisplatin from Pt-Fe-PNs in artificial urine at 37 °C was characterized by an initial burst release with a release of ∼30% of the cisplatin in the first 4 h followed by a slow sustained release over 4 days. The cisplatin release can be further enhanced by increasing the temperature. These Pt-Fe-PNs can effectively induce cytotoxicity against UMUC3 bladder cancer cells with IC(50) of 32.3 μM. These results indicate that Pt-Fe-PNs is potentially a promising cisplatin delivery vehicle which can be combined with SPIONs-induced hyperthermia for bladder cancer therapy.
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Affiliation(s)
- Chao Huang
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Kent Ridge, Singapore
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46
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Terife G, Wang P, Faridi N, Gogos CG. Hot melt mixing and foaming of soluplus® and indomethacin. POLYM ENG SCI 2012. [DOI: 10.1002/pen.23106] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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47
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Cheng TL, Chuang KH, Chen BM, Roffler SR. Analytical Measurement of PEGylated Molecules. Bioconjug Chem 2012; 23:881-99. [DOI: 10.1021/bc200478w] [Citation(s) in RCA: 92] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Tian-Lu Cheng
- Department of Biomedical Science
and Environmental Biology, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Kuo-Hsiang Chuang
- Department of Biomedical Science
and Environmental Biology, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Bing-Mae Chen
- Institute
of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Steve R. Roffler
- Institute
of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
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48
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Preparation and optimization of PMAA–chitosan–PEG nanoparticles for oral drug delivery. Colloids Surf B Biointerfaces 2012; 90:102-8. [DOI: 10.1016/j.colsurfb.2011.10.005] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2011] [Revised: 10/01/2011] [Accepted: 10/04/2011] [Indexed: 11/23/2022]
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49
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Carboxylated poly(glycerol methacrylate)s for doxorubicin delivery. Eur J Pharm Sci 2012; 45:65-72. [DOI: 10.1016/j.ejps.2011.10.025] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2011] [Revised: 10/15/2011] [Accepted: 10/28/2011] [Indexed: 01/24/2023]
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50
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Barnard A, Calderon M, Tschiche A, Haag R, Smith DK. Effects of a PEG additive on the biomolecular interactions of self-assembled dendron nanostructures. Org Biomol Chem 2012; 10:8403-9. [DOI: 10.1039/c2ob26584b] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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