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Yu Y, Gao Y, Zeng Y, Ge W, Tang C, Xie X, Liu L. Multifunctional hyaluronic acid/gelatin methacryloyl core-shell microneedle for comprehensively treating oral mucosal ulcers. Int J Biol Macromol 2024; 266:131221. [PMID: 38554926 DOI: 10.1016/j.ijbiomac.2024.131221] [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: 11/12/2023] [Revised: 03/24/2024] [Accepted: 03/26/2024] [Indexed: 04/02/2024]
Abstract
Oral ulceration is the most common oral mucosal disease. Oral mucosal ulcers are extremely painful, may interfere with eating and speaking, and potentially complicate systemic symptoms in severe cases. The humid and highly dynamic environment of the oral cavity makes local drug administration for treating oral mucosal ulcers challenging. To overcome these challenges, we designed and prepared a novel dissolving microneedle (MN) patch containing multiple drugs in a core-shell to promote oral ulcer healing. The MNs contained a methacrylate gelatin shell layer of basic fibroblast growth factor (bFGF), a hyaluronic acid (HA) core loaded with dexamethasone (DXMS), and zeolite imidazoline framework-8 (ZIF-8) encapsulated in the HA-based backplane. Progressive degradation of gelatin methacryloyl (GelMA) from the tip of the MN patch in the oral mucosa resulted in sustained bFGF release at the lesion site, significantly promoting cell migration, proliferation, and angiogenesis. Moreover, the rapid release of HA and, subsequently, DXMS inhibited inflammation, and the remaining MN backing after the tip dissolved behaved as a dressing, releasing ZIF-8 for its antimicrobial effects. This novel, multifunctional, transmucosal core-shell MN patch exhibited excellent anti-inflammatory, antimicrobial, and pro-healing effects in vivo and in vitro, suggesting that it can promote oral ulcer healing.
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Affiliation(s)
- Yi Yu
- Department of Stomatology, The Second Xiangya Hospital, Central South University, Changsha 410011, China
| | - Yijun Gao
- Department of Stomatology, The Second Xiangya Hospital, Central South University, Changsha 410011, China
| | - Yiyu Zeng
- Department of Stomatology, The Second Xiangya Hospital, Central South University, Changsha 410011, China
| | - Wenhui Ge
- Department of Stomatology, The Second Xiangya Hospital, Central South University, Changsha 410011, China
| | - Chengxuan Tang
- The Third Affiliated Hospital of Wenzhou Medical university, Wenzhou 325200, China
| | - Xiaoyan Xie
- Department of Stomatology, The Second Xiangya Hospital, Central South University, Changsha 410011, China.
| | - Liangle Liu
- The Third Affiliated Hospital of Wenzhou Medical university, Wenzhou 325200, China..
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2
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Li J, Ge R, Lin K, Wang J, He Y, Lu H, Dong H. Advances in the Application of Microneedles in the Treatment of Local Organ Diseases. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2306222. [PMID: 37786290 DOI: 10.1002/smll.202306222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2023] [Revised: 09/07/2023] [Indexed: 10/04/2023]
Abstract
In recent years, microneedles (MNs) have attracted a lot of attention due to their microscale sizes and high surface area (500-1000 µm in length), allowing pain-free and efficient drug delivery through the skin. In addition to the great success of MNs based transdermal drug delivery, especially for skin diseases, increasing studies have indicated the expansion of MNs to diverse nontransdermal applications, including the delivery of therapeutics for hair loss, ocular diseases, and oral mucosal. Here, the current treatment of hair loss, eye diseases, and oral disease is discussed and an overview of recent advances in the application of MNs is provided for these three noncutaneous localized organ diseases. Particular emphasis is laid on the future trend of MNs technology development and future challenges of expanding the generalizability of MNs.
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Affiliation(s)
- Jinze Li
- Marshall Laboratory of Biomedical Engineering, Shenzhen Key Laboratory for Nano-Biosensing Technology, School of Biomedical Engineering, Shenzhen University Medical School, Shenzhen University, Guangdong, 518060, China
| | - Rujiao Ge
- Beijing Key Laboratory for Bioengineering and Sensing Technology, Research Center for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Kai Lin
- College of Chemistry and Environmental Engineering, Shenzhen University, Guangdong, 518060, China
| | - Junren Wang
- Marshall Laboratory of Biomedical Engineering, Shenzhen Key Laboratory for Nano-Biosensing Technology, School of Biomedical Engineering, Shenzhen University Medical School, Shenzhen University, Guangdong, 518060, China
| | - Yu He
- Department of Pharmacology, University of Oxford, Oxford, OX1 3QT, UK
| | - Huiting Lu
- Department of Chemistry, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Haifeng Dong
- Marshall Laboratory of Biomedical Engineering, Shenzhen Key Laboratory for Nano-Biosensing Technology, School of Biomedical Engineering, Shenzhen University Medical School, Shenzhen University, Guangdong, 518060, China
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3
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Zhang W, Cai X, Zhang X, Zou S, Zhu D, Zhang Q, Chen J. AgNPs-Modified Polylactic Acid Microneedles: Preparation and In Vivo/In Vitro Antimicrobial Studies. Pharm Res 2024; 41:93-104. [PMID: 37985572 DOI: 10.1007/s11095-023-03634-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Accepted: 11/08/2023] [Indexed: 11/22/2023]
Abstract
OBJECTIVE To prepare polylactic acid microneedles (PLAMNs) with sustained antibacterial effect to avoid skin infection caused by traditional MNs-based biosensors. METHODS Silver nanoparticles (AgNPs) were synthesized using an in-situ reduction process with polydopamine (PDA). PLAMNs were fabricated using the hot-melt method. A series of pressure tests and puncture experiments were conducted to confirm the physicochemical properties of PLAMNs. Then AgNPs were modified on the surface of PLAMNs through in-situ reduction of PDA, resulting in the formation of PLAMNs@PDA-AgNPs. The in vitro antibacterial efficacy of PLAMNs@PDA-AgNPs was evaluated using agar diffusion assays and bacterial liquid co-culture approach. Wound healing and simulated long-term application were performed to assess the in vivo antibacterial effectiveness of PLAMNs@PDA-AgNPs. RESULTS The MNs array comprised 169 tiny needle tips in pyramidal rows. Strength and puncture tests confirmed a 100% puncture success rate for PLAMNs on isolated rat skin and tin foil. SEM analysis revealed the integrity of PLAMNs@PDA-AgNPs with the formation of new surface substances. EDS analysis indicated the presence of silver elements on the surface of PLAMNs@PDA-AgNPs, with a content of 14.44%. Transepidermal water loss (TEWL) testing demonstrated the rapid healing of micro-pores created by PLAMNs@PDA-AgNPs, indicating their safety. Both in vitro and in vivo tests confirmed antibacterial efficacy of PLAMNs@PDA-AgNPs. CONCLUSIONS In conclusion, the sustained antibacterial activity exhibited by PLAMNs@PDA-AgNPs offers a promising solution for addressing skin infections associated with MN applications, especially when compared to traditional MN-based biosensors. This advancement offers significant potential for the field of MN technology.
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Affiliation(s)
- Wenqin Zhang
- School of Pharmacy, Fujian Medical University, Fuzhou, 350122, China
- School of Pharmacy and Medical Technology, Putian University, Putian, 351100, China
| | - Xiaozhen Cai
- School of Pharmacy and Medical Technology, Putian University, Putian, 351100, China
| | - Xinyi Zhang
- School of Pharmacy, Fujian Medical University, Fuzhou, 350122, China
- School of Pharmacy and Medical Technology, Putian University, Putian, 351100, China
| | - Shiqi Zou
- School of Pharmacy and Medical Technology, Putian University, Putian, 351100, China
| | - Danhong Zhu
- School of Pharmacy and Medical Technology, Putian University, Putian, 351100, China
| | - Qiulong Zhang
- School of Pharmacy, Fujian Medical University, Fuzhou, 350122, China
- School of Pharmacy and Medical Technology, Putian University, Putian, 351100, China
- Key Laboratory of Pharmaceutical Analysis and Laboratory Medicine, Putian University, Putian, 351100, China
| | - Jianmin Chen
- School of Pharmacy, Fujian Medical University, Fuzhou, 350122, China.
- School of Pharmacy and Medical Technology, Putian University, Putian, 351100, China.
- Key Laboratory of Pharmaceutical Analysis and Laboratory Medicine, Putian University, Putian, 351100, China.
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4
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Haidari H, Vasilev K. Novel Antibacterial Materials and Coatings-A Perspective by the Editors. MATERIALS (BASEL, SWITZERLAND) 2023; 16:6302. [PMID: 37763578 PMCID: PMC10533052 DOI: 10.3390/ma16186302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 09/18/2023] [Accepted: 09/18/2023] [Indexed: 09/29/2023]
Abstract
The fight between humans and bacteria has escalated to a new level.
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Affiliation(s)
- Hanif Haidari
- Future Industries Institute, University of South Australia, Mawson Lakes, SA 5095, Australia
| | - Krasimir Vasilev
- Biomedical Nanoengineering Laboratory, College of Medicine and Public Health, Flinders University, Bedford Park, SA 5042, Australia
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Lyu S, Dong Z, Xu X, Bei HP, Yuen HY, James Cheung CW, Wong MS, He Y, Zhao X. Going below and beyond the surface: Microneedle structure, materials, drugs, fabrication, and applications for wound healing and tissue regeneration. Bioact Mater 2023; 27:303-326. [PMID: 37122902 PMCID: PMC10140753 DOI: 10.1016/j.bioactmat.2023.04.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 03/11/2023] [Accepted: 04/02/2023] [Indexed: 05/02/2023] Open
Abstract
Microneedle, as a novel drug delivery system, has attracted widespread attention due to its non-invasiveness, painless and simple administration, controllable drug delivery, and diverse cargo loading capacity. Although microneedles are initially designed to penetrate stratum corneum of skin for transdermal drug delivery, they, recently, have been used to promote wound healing and regeneration of diverse tissues and organs and the results are promising. Despite there are reviews about microneedles, few of them focus on wound healing and tissue regeneration. Here, we review the recent advances of microneedles in this field. We first give an overview of microneedle system in terms of its potential cargos (e.g., small molecules, macromolecules, nucleic acids, nanoparticles, extracellular vesicle, cells), structural designs (e.g., multidrug structures, adhesive structures), material selection, and drug release mechanisms. Then we briefly summarize different microneedle fabrication methods, including their advantages and limitations. We finally summarize the recent progress of microneedle-assisted wound healing and tissue regeneration (e.g., skin, cardiac, bone, tendon, ocular, vascular, oral, hair, spinal cord, and uterine tissues). We expect that our article would serve as a guideline for readers to design their microneedle systems according to different applications, including material selection, drug selection, and structure design, for achieving better healing and regeneration efficacy.
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Affiliation(s)
- Shang Lyu
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, PR China
- State Key Laboratory of Fluid Power and Mechatronic Systems, School of Mechanical Engineering, Zhejiang University, Hangzhou, PR China
| | - Zhifei Dong
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, PR China
- Faculty of Science, University of Waterloo, Waterloo, Ontario, Canada
| | - Xiaoxiao Xu
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, PR China
- Faculty of Science, University of Waterloo, Waterloo, Ontario, Canada
| | - Ho-Pan Bei
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, PR China
| | - Ho-Yin Yuen
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, PR China
| | - Chung-Wai James Cheung
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, PR China
| | - Man-Sang Wong
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, PR China
- Corresponding author.
| | - Yong He
- State Key Laboratory of Fluid Power and Mechatronic Systems, School of Mechanical Engineering, Zhejiang University, Hangzhou, PR China
- Corresponding author.
| | - Xin Zhao
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, PR China
- Corresponding author.
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6
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Lu Z, Du S, Li J, Zhang M, Nie H, Zhou X, Li F, Wei X, Wang J, Liu F, He C, Yang G, Gu Z. Langmuir-Blodgett-Mediated Formation of Antibacterial Microneedles for Long-Term Transdermal Drug Delivery. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2303388. [PMID: 37384857 DOI: 10.1002/adma.202303388] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 06/16/2023] [Accepted: 06/26/2023] [Indexed: 07/01/2023]
Abstract
Microneedles (MNs) have become versatile platforms for minimally invasive transdermal drug delivery devices. However, there are concerns about MN-induced skin infections with long-term transdermal administration. Using the Langmuir-Blodgett (LB) technique, a simple method for depositing antibacterial nanoparticles of various shapes, sizes, and compositions onto MNs is developed. This strategy has merits over conventional dip coating techniques, including controlled coating layers, uniform and high coverage, and a straightforward fabrication process. This provides MNs with a fast-acting and long-lasting antibacterial effect. This study demonstrates that antibacterial MNs achieve superior bacterial elimination in vitro and in vivo without sacrificing payload capacity, drug release, or mechanical strength. It is believed that such a functional nanoparticle coating technique offers a platform for the expansion of MNs function, especially in long-term transdermal drug delivery fields.
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Affiliation(s)
- Ziyi Lu
- Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Biological Science and Medical Engineering, Donghua University, Shanghai, 201620, China
| | - Shan Du
- Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Biological Science and Medical Engineering, Donghua University, Shanghai, 201620, China
| | - Jiaxun Li
- College of Basic Medicine, Naval Medical University, Shanghai, 200433, China
| | - Min Zhang
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai, 201620, China
| | - Huali Nie
- Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Biological Science and Medical Engineering, Donghua University, Shanghai, 201620, China
| | - Xiaojun Zhou
- Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Biological Science and Medical Engineering, Donghua University, Shanghai, 201620, China
| | - Fulun Li
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 200437, China
| | - Xinwei Wei
- Key Laboratory for Advanced Drug Delivery Systems of Zhejiang Province, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Jinqiang Wang
- Key Laboratory for Advanced Drug Delivery Systems of Zhejiang Province, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Fuyao Liu
- Key Laboratory for Advanced Drug Delivery Systems of Zhejiang Province, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Chuanglong He
- Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Biological Science and Medical Engineering, Donghua University, Shanghai, 201620, China
| | - Guang Yang
- Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Biological Science and Medical Engineering, Donghua University, Shanghai, 201620, China
- State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai, 200438, China
| | - Zhen Gu
- Key Laboratory for Advanced Drug Delivery Systems of Zhejiang Province, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
- Department of General Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, 310016, China
- Jinhua Institute of Zhejiang University, Jinhua, 321299, China
- Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, 311121, China
- National Key Laboratory of Advanced Drug Delivery and Release Systems, Zhejiang University, Hangzhou, 310058, China
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
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7
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Dul M, Alali M, Ameri M, Burke MD, Craig CM, Creelman BP, Dick L, Donnelly RF, Eakins MN, Frivold C, Forster AH, Gilbert PA, Henke S, Henry S, Hunt D, Lewis H, Maibach HI, Mistilis JJ, Park JH, Prausnitz MR, Robinson DK, Hernandez CAR, Ross C, Shin J, Speaker TJ, Taylor KM, Zehrung D, Birchall JC, Jarrahian C, Coulman SA. Assessing the risk of a clinically significant infection from a Microneedle Array Patch (MAP) product. J Control Release 2023; 361:236-245. [PMID: 37437849 DOI: 10.1016/j.jconrel.2023.07.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 06/28/2023] [Accepted: 07/01/2023] [Indexed: 07/14/2023]
Abstract
Microneedle Array Patches (MAPs) are an emerging dosage form that creates transient micron-sized disruptions in the outermost physical skin barrier, the stratum corneum, to facilitate delivery of active pharmaceutical ingredients to the underlying tissue. Numerous MAP products are proposed and there is significant clinical potential in priority areas such as vaccination. However, since their inception scientists have hypothesized about the risk of a clinically significant MAP-induced infection. Safety data from two major Phase 3 clinical trials involving hundreds of participants, who in total received tens of thousands of MAP applications, does not identify any clinically significant infections. However, the incumbent data set is not extensive enough to make definitive generalizable conclusions. A comprehensive assessment of the infection risk is therefore advised for MAP products, and this should be informed by clinical and pre-clinical data, theoretical analysis and informed opinions. In this article, a group of key stakeholders identify some of the key product- and patient-specific factors that may contribute to the risk of infection from a MAP product and provide expert opinions in the context of guidance from regulatory authorities. Considerations that are particularly pertinent to the MAP dosage form include the specifications of the finished product (e.g. microbial specification), it's design features, the setting for administration, the skill of the administrator, the anatomical application site, the target population and the clinical context. These factors, and others discussed in this article, provide a platform for the development of MAP risk assessments and a stimulus for early and open dialogue between developers, regulatory authorities and other key stakeholders, to expedite and promote development of safe and effective MAP products.
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Affiliation(s)
- Maria Dul
- Cardiff School of Pharmacy and Pharmaceutical Sciences, Cardiff University, Cardiff, UK
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Howard I Maibach
- Department of Dermatology, University of California San Francisco, San Francisco, CA, USA
| | | | - Jung-Hwan Park
- Department of Bionano Technology, Gachon University, Seongnam, Republic of Korea
| | - Mark R Prausnitz
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA, USA
| | | | | | | | | | | | - Kevin Michael Taylor
- University College London School of Pharmacy, British Pharmacopoeia Commission, UK
| | | | - James C Birchall
- Cardiff School of Pharmacy and Pharmaceutical Sciences, Cardiff University, Cardiff, UK
| | | | - Sion A Coulman
- Cardiff School of Pharmacy and Pharmaceutical Sciences, Cardiff University, Cardiff, UK.
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8
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Stoilov B, Truong VK, Gronthos S, Vasilev K. Noninvasive and Microinvasive Nanoscale Drug Delivery Platforms for Hard Tissue Engineering. ACS APPLIED BIO MATERIALS 2023; 6:2925-2943. [PMID: 37565698 DOI: 10.1021/acsabm.3c00095] [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] [Indexed: 08/12/2023]
Abstract
Bone tissue plays a crucial role in protecting internal organs and providing structural support and locomotion of the body. Treatment of hard tissue defects and medical conditions due to physical injuries, genetic disorders, aging, metabolic syndromes, and infections is more often a complex and drawn out process. Presently, dealing with hard-tissue-based clinical problems is still mostly conducted via surgical interventions. However, advances in nanotechnology over the last decades have led to shifting trends in clinical practice toward noninvasive and microinvasive methods. In this review article, recent advances in the development of nanoscale platforms for bone tissue engineering have been reviewed and critically discussed to provide a comprehensive understanding of the advantages and disadvantages of noninvasive and microinvasive methods for treating medical conditions related to hard tissue regeneration and repair.
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Affiliation(s)
- Borislav Stoilov
- Biomedical Nanoengineering Laboratory, College of Medicine and Public Health, Flinders University, Bedford Park, Adelaide, South Australia 5042, Australia
| | - Vi Khanh Truong
- Biomedical Nanoengineering Laboratory, College of Medicine and Public Health, Flinders University, Bedford Park, Adelaide, South Australia 5042, Australia
| | - Stan Gronthos
- School of Biomedicine, Faculty of Health and Medical Sciences, University of Adelaide/SAHMRI, North Terrace, Adelaide, South Australia 5001, Australia
| | - Krasimir Vasilev
- Biomedical Nanoengineering Laboratory, College of Medicine and Public Health, Flinders University, Bedford Park, Adelaide, South Australia 5042, Australia
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9
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Li Y, Bi D, Hu Z, Yang Y, Liu Y, Leung WK. Hydrogel-Forming Microneedles with Applications in Oral Diseases Management. MATERIALS (BASEL, SWITZERLAND) 2023; 16:4805. [PMID: 37445119 DOI: 10.3390/ma16134805] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Revised: 06/28/2023] [Accepted: 06/28/2023] [Indexed: 07/15/2023]
Abstract
Controlled drug delivery in the oral cavity poses challenges such as bacterial contamination, saliva dilution, and inactivation by salivary enzymes upon ingestion. Microneedles offer a location-specific, minimally invasive, and retentive approach. Hydrogel-forming microneedles (HFMs) have emerged for dental diagnostics and therapeutics. HFMs penetrate the stratum corneum, undergo swelling upon contact, secure attachment, and enable sustained transdermal or transmucosal drug delivery. Commonly employed polymers such as polyvinyl alcohol (PVA) and polyvinyl pyrrolidone are crosslinked with tartaric acid or its derivatives while incorporating therapeutic agents. Microneedle patches provide suture-free and painless drug delivery to keratinized or non-keratinized mucosa, facilitating site-specific treatment and patient compliance. This review comprehensively discusses HFMs' applications in dentistry such as local anesthesia, oral ulcer management, periodontal treatment, etc., encompassing animal experiments, clinical trials, and their fundamental impact and limitations, for example, restricted drug carrying capacity and, until now, a low number of dental clinical trial reports. The review explores the advantages and future perspectives of HFMs for oral drug delivery.
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Affiliation(s)
- Yuqing Li
- Periodontology and Implant Dentistry, Faculty of Dentistry, The University of Hong Kong, Hong Kong, China
| | - Duohang Bi
- Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica, Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Zhekai Hu
- Division of Paediatric Dentistry and Orthodontics, Faculty of Dentistry, The University of Hong Kong, Hong Kong, China
| | - Yanqi Yang
- Division of Paediatric Dentistry and Orthodontics, Faculty of Dentistry, The University of Hong Kong, Hong Kong, China
| | - Yijing Liu
- Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica, Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Wai Keung Leung
- Periodontology and Implant Dentistry, Faculty of Dentistry, The University of Hong Kong, Hong Kong, China
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10
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Dumitriu Buzia O, Păduraru AM, Stefan CS, Dinu M, Cocoș DI, Nwabudike LC, Tatu AL. Strategies for Improving Transdermal Administration: New Approaches to Controlled Drug Release. Pharmaceutics 2023; 15:pharmaceutics15041183. [PMID: 37111667 PMCID: PMC10143057 DOI: 10.3390/pharmaceutics15041183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 03/30/2023] [Accepted: 04/06/2023] [Indexed: 04/29/2023] Open
Abstract
In this work, we aim to address several strategies to improve transdermal drug delivery, such as iontophoresis, sonophoresis, electroporation and micron. We also propose a review of some transdermal patches and their applications in medicine. TDDs (transdermal patches with delayed active substances) are multilayered pharmaceutical preparations that may contain one or more active substances, of which, systemic absorption is achieved through intact skin. The paper also presents new approaches to the controlled release of drugs: niosomes, microemulsions, transfersomes, ethosomes, but also hybrid approaches nanoemulsions and microns. The novelty of this review lies in the presentation of strategies to improve the transdermal administration of drugs, combined with their applications in medicine, in light of pharmaceutical technological developments.
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Affiliation(s)
- Olimpia Dumitriu Buzia
- Centre in the Medical-Pharmaceutical Field, Faculty of Medicine and Pharmacy, "Dunarea de Jos" University of Galați, 800008 Galați, Romania
| | - Ana Maria Păduraru
- Centre in the Medical-Pharmaceutical Field, Faculty of Medicine and Pharmacy, "Dunarea de Jos" University of Galați, 800008 Galați, Romania
| | - Claudia Simona Stefan
- Centre in the Medical-Pharmaceutical Field, Faculty of Medicine and Pharmacy, "Dunarea de Jos" University of Galați, 800008 Galați, Romania
| | - Monica Dinu
- Centre in the Medical-Pharmaceutical Field, Faculty of Medicine and Pharmacy, "Dunarea de Jos" University of Galați, 800008 Galați, Romania
| | - Dorin Ioan Cocoș
- Centre in the Medical-Pharmaceutical Field, Faculty of Medicine and Pharmacy, "Dunarea de Jos" University of Galați, 800008 Galați, Romania
| | | | - Alin Laurențiu Tatu
- Clinical Medical Department, Faculty of Medicine and Pharmacy, "Dunarea de Jos" University, 800008 Galati, Romania
- Dermatology Department, "Sf. Cuvioasa Parascheva" Clinical Hospital of Infectious Diseases, 800179 Galati, Romania
- Multidisciplinary Integrative Center for Dermatologic Interface Research MIC-DIR, 800010 Galati, Romania
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11
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Hu F, Gao Q, Liu J, Chen W, Zheng C, Bai Q, Sun N, Zhang W, Zhang Y, Lu T. Smart microneedle patches for wound healing and management. J Mater Chem B 2023; 11:2830-2851. [PMID: 36916631 DOI: 10.1039/d2tb02596e] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2023]
Abstract
The number of patients with non-healing wounds is generally increasing globally, placing a huge social and economic burden on every country. The complexity of the wound-healing process remains a major health challenge despite the numerous studies that have been reported on conventional wound dressings. Therefore, a therapeutic system that combines diagnostic and therapeutic modalities is essential to monitor wound-related biomarkers and facilitate wound healing in real time. Microneedles, as a multifunctional platform, are promising for transdermal diagnostics and drug delivery. Their advantages are mainly reflected in painless transdermal drug delivery, good biocompatibility, and ease of self-administration. In this work, we review recent advances in the use of microneedle patches for wound healing and monitoring. The paper first provides a brief overview of the skin structure and the wound healing process, and then discusses the current state of research and prospects for the development of wound-related biomarkers and their real-time monitoring based on microneedle sensors. It summarizes the current state of research based on the unique design of microneedle patches, including biomimetic, conductive, and environmentally responsive, to achieve wound healing. It further summarizes the prospects for the application of different microneedle-based drug delivery modalities and drug delivery substances for wound healing, due to their superior transdermal drug delivery advantages. It concludes with challenges and expectations for the use of smart microneedle patches for wound healing and management.
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Affiliation(s)
- Fangfang Hu
- School of Life Sciences, Northwestern Polytechnical University 127 West Youyi Road, Beilin District, Xi'an Shaanxi, 710072, P. R. China.
| | - Qian Gao
- School of Life Sciences, Northwestern Polytechnical University 127 West Youyi Road, Beilin District, Xi'an Shaanxi, 710072, P. R. China.
| | - Jinxi Liu
- School of Life Sciences, Northwestern Polytechnical University 127 West Youyi Road, Beilin District, Xi'an Shaanxi, 710072, P. R. China.
| | - Wenting Chen
- School of Life Sciences, Northwestern Polytechnical University 127 West Youyi Road, Beilin District, Xi'an Shaanxi, 710072, P. R. China.
| | - Caiyun Zheng
- School of Life Sciences, Northwestern Polytechnical University 127 West Youyi Road, Beilin District, Xi'an Shaanxi, 710072, P. R. China.
| | - Que Bai
- School of Life Sciences, Northwestern Polytechnical University 127 West Youyi Road, Beilin District, Xi'an Shaanxi, 710072, P. R. China.
| | - Na Sun
- School of Life Sciences, Northwestern Polytechnical University 127 West Youyi Road, Beilin District, Xi'an Shaanxi, 710072, P. R. China.
| | - Wenhui Zhang
- School of Life Sciences, Northwestern Polytechnical University 127 West Youyi Road, Beilin District, Xi'an Shaanxi, 710072, P. R. China.
| | - Yanni Zhang
- School of Life Sciences, Northwestern Polytechnical University 127 West Youyi Road, Beilin District, Xi'an Shaanxi, 710072, P. R. China.
| | - Tingli Lu
- School of Life Sciences, Northwestern Polytechnical University 127 West Youyi Road, Beilin District, Xi'an Shaanxi, 710072, P. R. China.
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12
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Priya S, Tomar Y, Desai VM, Singhvi G. Enhanced skin drug delivery using dissolving microneedles: a potential approach for the management of skin disorders. Expert Opin Drug Deliv 2023:1-18. [PMID: 36893450 DOI: 10.1080/17425247.2023.2190095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/11/2023]
Abstract
INTRODUCTION For decades, finding effective long-term or disease-modifying treatments for skin disorders has been a major focus of scientists. The conventional drug delivery systems showed poor efficacy with high doses and are associated with side effects, which lead to challenges in adherence to therapy. Therefore, to overcome the limitations of conventional drug delivery systems, drug delivery research has focused on topical, transdermal, and intradermal drug delivery systems. Among all, the dissolving microneedles have gained attention with a new range of advantages of drug delivery in skin disorders such as breaching skin barriers with minimal discomfort and its simplicity of application to the skin, which allows patients to administer it themselves. AREAS COVERED This review highlighted the insights into dissolving microneedles for different skin disorders in detail. Additionally, it also provides evidence for its effective utilization in the treatment of various skin disorders. The clinical trial status and patents for dissolving microneedles for the management of skin disorders are also covered. EXPERT OPINION The current review on dissolving microneedles for skin drug delivery is accentuating the breakthroughs achieved so far in the management of skin disorders. The output of the discussed case studies anticipated that dissolving microneedles can be a novel drug delivery strategy for the long-term treatment of skin disorders.
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Affiliation(s)
- Sakshi Priya
- Industrial Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science (BITS) Pilani, Pilani Campus, India
| | - Yashika Tomar
- Industrial Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science (BITS) Pilani, Pilani Campus, India
| | - Vaibhavi Meghraj Desai
- Industrial Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science (BITS) Pilani, Pilani Campus, India
| | - Gautam Singhvi
- Industrial Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science (BITS) Pilani, Pilani Campus, India
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13
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Beus M, Pongrac IM, Capjak I, Ilić K, Vrček E, Ćurlin M, Milić M, Čermak AMM, Pavičić I. Particle surface functionalization affects mechanism of endocytosis and adverse effects of silver nanoparticles in mammalian kidney cells. J Appl Toxicol 2023; 43:416-430. [PMID: 36065485 DOI: 10.1002/jat.4392] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 09/01/2022] [Accepted: 09/01/2022] [Indexed: 11/11/2022]
Abstract
Silver nanoparticles (AgNPs) show a plethora of possible applications due to their antimicrobial properties. Different coatings of AgNPs are used in order to increase stability, availability, and activity. However, the question about the toxicity after prolonged exposure still remains. Here, we show that different surface coatings affect in vitro toxicity and internalization of AgNPs in porcine kidney (PK15) cells. AgNPs coated with cetyltrimethylammonium bromide (CTAB), poly(vinylpyrrolidone) (PVP), sodium bis(2-ethylhexyl)-sulfosuccinate (AOT), poly-L-lysine (PLL), and bovine serum albumin (BSA) were toxic at the concentration of 10 mg Ag/L and higher. The toxicity increased in the following manner: PVP-AgNPs < CTAB-AgNPs < PLL-AgNPs < AOT-AgNPs < BSA-AgNPs. All types of AgNPs were internalized by the PK15 cells in a dose-dependent manner with greater internalization of AgNPs bearing positive surface charge. Transmission electron microscopy (TEM) experiments showed that AgNPs were located in the lysosomal compartments, while the co-treatment with known inhibitors of endocytosis pathways suggested macropinocytosis as the preferred internalization pathway. When inside the cell, all types of AgNPs induced the formation of reactive oxygen species while decreasing the concentration of the cell's endogenous antioxidant glutathione. The comet assay indicated possible genotoxicity of tested AgNPs starting at the concentration of 2 mg Ag/L or higher, depending on the surface functionalization. This study demonstrates the toxicity of AgNPs pointing to the importance of biosafety evaluation when developing novel AgNPs-containing materials.
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Affiliation(s)
- Maja Beus
- Institute for Medical Research and Occupational Health, Zagreb, Croatia
| | - Igor M Pongrac
- School of Medicine, University of Zagreb, Zagreb, Croatia
| | - Ivona Capjak
- Croatian Institute of Transfusion Medicine, Zagreb, Croatia
| | - Krunoslav Ilić
- Institute for Medical Research and Occupational Health, Zagreb, Croatia
| | - Ena Vrček
- Faculty of Pharmacy and Biochemistry, University of Zagreb, Zagreb, Croatia
| | - Marija Ćurlin
- School of Medicine, Catholic University of Croatia, Zagreb, Croatia
| | - Mirta Milić
- Institute for Medical Research and Occupational Health, Zagreb, Croatia
| | | | - Ivan Pavičić
- Institute for Medical Research and Occupational Health, Zagreb, Croatia
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14
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Fan D, Liu X, Ren Y, Bai S, Li Y, Luo Z, Dong J, Chen F, Zeng W. Functional insights to the development of bioactive material for combating bacterial infections. Front Bioeng Biotechnol 2023; 11:1186637. [PMID: 37152653 PMCID: PMC10160456 DOI: 10.3389/fbioe.2023.1186637] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Accepted: 04/13/2023] [Indexed: 05/09/2023] Open
Abstract
The emergence of antibiotic-resistant "superbugs" poses a serious threat to human health. Nanomaterials and cationic polymers have shown unprecedented advantages as effective antimicrobial therapies due to their flexibility and ability to interact with biological macromolecules. They can incorporate a variety of antimicrobial substances, achieving multifunctional effects without easily developing drug resistance. Herein, this article discusses recent advances in cationic polymers and nano-antibacterial materials, including material options, fabrication techniques, structural characteristics, and activity performance, with a focus on their fundamental active elements.
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Affiliation(s)
- Duoyang Fan
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, China
- Hunan Key Laboratory of Diagnostic and Therapeutic Drug Research for Chronic Diseases, Changsha, China
| | - Xiaohui Liu
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, China
- Hunan Key Laboratory of Diagnostic and Therapeutic Drug Research for Chronic Diseases, Changsha, China
| | - Yueming Ren
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, China
- Hunan Key Laboratory of Diagnostic and Therapeutic Drug Research for Chronic Diseases, Changsha, China
| | - Shuaige Bai
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, China
- Hunan Key Laboratory of Diagnostic and Therapeutic Drug Research for Chronic Diseases, Changsha, China
| | - Yanbing Li
- Xiangya Hospital, Central South University, Changsha, China
| | - Ziheng Luo
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, China
- Hunan Key Laboratory of Diagnostic and Therapeutic Drug Research for Chronic Diseases, Changsha, China
| | - Jie Dong
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, China
- Hunan Key Laboratory of Diagnostic and Therapeutic Drug Research for Chronic Diseases, Changsha, China
| | - Fei Chen
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, China
- Hunan Key Laboratory of Diagnostic and Therapeutic Drug Research for Chronic Diseases, Changsha, China
- *Correspondence: Fei Chen, ; Wenbin Zeng,
| | - Wenbin Zeng
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, China
- Hunan Key Laboratory of Diagnostic and Therapeutic Drug Research for Chronic Diseases, Changsha, China
- *Correspondence: Fei Chen, ; Wenbin Zeng,
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15
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Mbituyimana B, Ma G, Shi Z, Yang G. Polymeric microneedles for enhanced drug delivery in cancer therapy. BIOMATERIALS ADVANCES 2022; 142:213151. [PMID: 36244246 DOI: 10.1016/j.bioadv.2022.213151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Revised: 10/06/2022] [Accepted: 10/08/2022] [Indexed: 06/16/2023]
Abstract
Microneedles (MNs) have attracted the interest of researchers. Polymeric MNs offer tremendous promise as drug delivery vehicles for bio-applications because of their high loading capacity, strong patient adherence, excellent biodegradability and biocompatibility, low toxicity, and extremely cheap cost. Incorporating enhanced-property nanomaterials into polymeric MNs matrix increases their features such as better mechanical strength, sustained drug delivery, lower toxicity, and higher therapeutic effects, therefore considerably increasing their biomedical application. This paper discusses polymeric MN fabrication techniques and the present status of polymeric MNs as a delivery method for enhanced drug delivery in cancer therapeutic applications. Furthermore, the opportunities and challenges of polymeric MNs for improved drug delivery in cancer therapy are highlighted.
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Affiliation(s)
- Bricard Mbituyimana
- Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Guangrui Ma
- Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Zhijun Shi
- Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China.
| | - Guang Yang
- Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China.
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16
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Hong Y, Yu H, Wang L, Chen X, Huang Y, Yang J, Ren S. Transdermal Insulin Delivery and Microneedles-based Minimally Invasive Delivery Systems. Curr Pharm Des 2022; 28:3175-3193. [PMID: 35676840 DOI: 10.2174/1381612828666220608130056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Accepted: 04/25/2022] [Indexed: 01/28/2023]
Abstract
Diabetes has become a serious threat to human health, causing death and pain to numerous patients. Transdermal insulin delivery is a substitute for traditional insulin injection to avoid pain from the injection. Transdermal methods include non-invasive and invasive methods. As the non-invasive methods could hardly get through the stratum corneum, minimally invasive devices, especially microneedles, could enhance the transappendageal route in transcutaneous insulin delivery, and could act as connectors between the tissue and outer environment or devices. Microneedle patches have been in quick development in recent years and with different types, materials and functions. In those patches, the smart microneedle patch could perform as a sensor and reactor responding to glucose to regulate the blood level. In the smart microneedles field, the phenylboronic acid system and the glucose oxidase system have been successfully applied on the microneedle platform. Insulin transdermal delivery strategy, microneedles technology and smart microneedles' development would be discussed in this review.
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Affiliation(s)
- Yichuan Hong
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, P.R. China
| | - Haojie Yu
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, P.R. China
| | - Li Wang
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, P.R. China
| | - Xiang Chen
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, P.R. China
| | - Yudi Huang
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, P.R. China
| | - Jian Yang
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, P.R. China
| | - Shuning Ren
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, P.R. China
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17
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Lei X, Li M, Wang C, Cui P, Qiu L, Zhou S, Jiang P, Li H, Zhao D, Ni X, Wang J, Xia J. Degradable microneedle patches loaded with antibacterial gelatin nanoparticles to treat staphylococcal infection-induced chronic wounds. Int J Biol Macromol 2022; 217:55-65. [PMID: 35817243 DOI: 10.1016/j.ijbiomac.2022.07.021] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Revised: 06/06/2022] [Accepted: 07/03/2022] [Indexed: 12/29/2022]
Abstract
Infection-induced chronic wounds cause prolonged pains, a high risk of amputation, and even increased mortality in immunocompromised patients. Here we report an antibacterial microneedle (MN) patch, which features high degradability in biological fluids and gelatinase-responsive release of an antibacterial photothermal peptide AMP-Cypate. We first synthesize gelatin nanoparticles (GNPs) and then conjugate the AMP-Cypate to afford composite AMP-Cypate@GNPs. The proteinaceous nanoparticles can responsively release AMP-Cypate in the presence of gelatinase, an enzyme secreted specifically by Staphylococcus aureus (S. aureus). AMP-Cypate@GNPs were then deposited in the tips of MNs fabricated by PVP and recombinant human type III collagen (Col III) to devise the antibacterial MN/AMP-Cypate@GNP patches. When applied to the infection site, MNs break through the epidermis and the stratum corneum, dissolve in the infected dermis, reach the bacterial colony or biofilm, release AMP-Cypate@GNPs, and exert a gelatinase-responsive photothermal therapy under near-infrared (NIR) irradiation to kill the pathogen S. aureus. In a rat model of staphylococcal infection-induced chronic wounds mimicking the condition of diabetic foot ulcer, the antibacterial MN/AMP-Cypate@GNP patches eradiated the bacterial infection and resulted in complete healing of the wounds, proving its potential application in the treatment of chronic wound infections and diabetic foot ulcers.
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Affiliation(s)
- Xiaoling Lei
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu 213164, PR China; Britton Chance Center for Biomedical Photonics at Wuhan National Laboratory for Optoelectronics-Hubei Bioinformatics and Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, Hubei, PR China
| | - Mengjin Li
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu 213164, PR China
| | - Cheng Wang
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu 213164, PR China
| | - Pengfei Cui
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu 213164, PR China
| | - Lin Qiu
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu 213164, PR China
| | - Shuwen Zhou
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu 213164, PR China
| | - Pengju Jiang
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu 213164, PR China
| | - Haihang Li
- Jiangsu Trautec Medical Technology Co., Ltd., Changzhou, Jiangsu 213149, PR China
| | - Donghui Zhao
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu 213164, PR China; Britton Chance Center for Biomedical Photonics at Wuhan National Laboratory for Optoelectronics-Hubei Bioinformatics and Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, Hubei, PR China
| | - Xinye Ni
- The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou, Jiangsu, PR China.
| | - Jianhao Wang
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu 213164, PR China.
| | - Jiang Xia
- Department of Chemistry, the Chinese University of Hong Kong, Shatin, Hong Kong, SAR, PR China.
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18
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An update on microneedle in insulin delivery: Quality attributes, clinical status and challenges for clinical translation. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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19
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Al-Rawi NN, Rawas-Qalaji M. Dissolving microneedles with antibacterial functionalities: A systematic review of laboratory studies. Eur J Pharm Sci 2022; 174:106202. [PMID: 35526676 DOI: 10.1016/j.ejps.2022.106202] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 04/18/2022] [Accepted: 05/03/2022] [Indexed: 02/05/2023]
Affiliation(s)
| | - Mutasem Rawas-Qalaji
- College of Pharmacy, University of Sharjah, Sharjah, UAE; Research Institute of Medical and Health Sciences, University of Sharjah, Sharjah, UAE; Dr. Kiran C. Patel College of Allopathic Medicine, Nova Southeastern University, Fort Lauderdale, FL, USA.
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20
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Yang X, Jia M, Li Z, Ma Z, Lv J, Jia D, He D, Zeng R, Luo G, Yu Y. In-situ synthesis silver nanoparticles in chitosan/Bletilla striata polysaccharide composited microneedles for infected and susceptible wound healing. Int J Biol Macromol 2022; 215:550-559. [PMID: 35752336 DOI: 10.1016/j.ijbiomac.2022.06.131] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 06/15/2022] [Accepted: 06/18/2022] [Indexed: 01/07/2023]
Abstract
A novel antibacterial strategy is urgently required to develop for solving bacterial biofilm obstruction and bacterial drug resistance in the infected wound healing process. Herein, the Chitosan/Bletilla striata polysaccharide composited microneedles were prepared by chitosan, tannic acid, AgNO3 and Bletilla striata polysaccharide through step centrifugation. In our design system, the porous structure of microneedles gradually disappeared, and the mechanical properties were significantly improved after multiple fillings. Ag+ is reduced in-situ to silver nanoparticles by the abundant polyphenols of tannic acid, displaying antibacterial effects both in vitro and vivo, even for methicillin resistant Staphylococcus aureus. The addition of Bletilla striata polysaccharide increased the ability of piercing biofilm and promoted wound healing. The microneedles exhibited good biocompatibility and with function of piercing the bacterial biofilms, scavenging excessive free radicals, inhibiting inflammatory factors, and promoting wound healing. Therefore, the multifunctional composited microneedles show great potential to promote infected and susceptible wound healing.
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Affiliation(s)
- Xiao Yang
- Pharmacy College, Southwest Minzu University, Chengdu 610041, PR China; Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, PR China
| | - Mengqi Jia
- National Engineering Research Center for Biomaterials and College of Chemistry, Sichuan University, Chengdu 610064, PR China
| | - Zheng Li
- Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, PR China
| | - Zihao Ma
- Pharmacy College, Southwest Minzu University, Chengdu 610041, PR China
| | - Jinying Lv
- Pharmacy College, Southwest Minzu University, Chengdu 610041, PR China
| | - Duowuni Jia
- Pharmacy College, Southwest Minzu University, Chengdu 610041, PR China
| | - Dengfeng He
- Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, PR China
| | - Rui Zeng
- Pharmacy College, Southwest Minzu University, Chengdu 610041, PR China.
| | - Gaoxing Luo
- Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, PR China.
| | - Yunlong Yu
- Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, PR China.
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21
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Zhang Y, Liu C, Wang J, Ren S, Song Y, Quan P, Fang L. Ionic liquids in transdermal drug delivery system: Current applications and future perspectives. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.06.054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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22
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Gong JH, Chen LJ, Zhao X, Yan XP. Persistent Production of Reactive Oxygen Species with Zn 2GeO 4:Cu Nanorod-Loaded Microneedles for Methicillin-Resistant Staphylococcus Aureus Infectious Wound Healing. ACS APPLIED MATERIALS & INTERFACES 2022; 14:17142-17152. [PMID: 35404061 DOI: 10.1021/acsami.2c02503] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Skin wound infection caused by methicillin-resistant Staphylococcus aureus (MRSA) is an urgent concern. Photodynamic therapy has emerged as a promising means of combating bacterial infection. However, continuous or repeated in situ light excitation is required for photosensitizers to produce reactive oxygen species (ROS), and most photosensitizers need sufficient oxygen to produce singlet oxygen (1O2), which greatly limits their clinical application. In this work, we report the preparation of Zn2GeO4:Cu2+ (ZGC) persistent luminescence nanorods with excellent ability for persistent ROS production after stopping excitation for MRSA infectious wound healing. The prepared ZGC nanorods were loaded into dissolvable microneedles (MNs) (ZGC@MNs) to penetrate biofilms and treat MRSA-infected wounds in a minimally invasive manner. ZGC showed a long-persistent photocatalytic effect to constantly produce multiple ROS (1O2, hydroxyl radical, and superoxide radical) accompanied by persistent luminescence after a pre-illumination. The MN tips of ZGC@MNs were rapidly dissolved to release ZGC for the continuous production of multiple ROS for at least 48 h with no need for in situ excitation and no special requirement on the amount of oxygen for eliminating MRSA biofilms. The developed ZGC@MN patches exhibited excellent antibacterial activity and biocompatibility for effectively reducing inflammation and promoting wound healing in vivo.
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Affiliation(s)
- Jia-Hua Gong
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- International Joint Laboratory on Food Safety, Jiangnan University, Wuxi 214122, China
- Institute of Analytical Food Safety, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Li-Jian Chen
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- International Joint Laboratory on Food Safety, Jiangnan University, Wuxi 214122, China
- Institute of Analytical Food Safety, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Xu Zhao
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- International Joint Laboratory on Food Safety, Jiangnan University, Wuxi 214122, China
- Institute of Analytical Food Safety, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Xiu-Ping Yan
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- International Joint Laboratory on Food Safety, Jiangnan University, Wuxi 214122, China
- Institute of Analytical Food Safety, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China
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23
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González García LE, Ninan N, Simon J, Madathiparambil Visalakshan R, Bright R, Wahono SK, Ostrikov K, Mailänder V, Landfester K, Goswami N, Vasilev K. Ultra-small gold nanoclusters assembled on plasma polymer-modified zeolites: a multifunctional nanohybrid with anti-haemorrhagic and anti-inflammatory properties. NANOSCALE 2021; 13:19936-19945. [PMID: 34820678 DOI: 10.1039/d1nr06591b] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Hemostatic agents are pivotal for managing clinical and traumatic bleeding during emergency and domestic circumstances. Herein, a novel functional hybrid nanocomposite material consisting of plasma polymer-modified zeolite 13X and ultra-small gold nanoclusters (AuNCs) was fabricated as an efficient hemostatic agent. The surface of zeolite 13X was functionalised with amine groups which served as binding sites for carboxylate terminated AuNCs. Protein corona studies revealed the enhanced adsorption of two proteins, namely, coagulation factors and plasminogen as a result of AuNCs immobilization on the zeolite surface. The immune response studies showed that the hybrid nanocomposites are effective in reducing inflammation, which combined with a greater attachment of vitronectin, may promote wound healing. The hemostatic potential of the nanocomposite could be directly correlated with their immunomodulatory and anti-haemorrhagic properties. Together, the hybrid nanoengineered material developed in this work could provide a new avenue to tackle life-threatening injuries in civilian and other emergencies.
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Affiliation(s)
- Laura E González García
- Academic Unit of STEM, The University of South Australia, Mawson Lakes, SA 5095, Australia.
- Future Industries Institute, University of South Australia, Mawson Lakes, SA 5095, Australia
| | - Neethu Ninan
- Academic Unit of STEM, The University of South Australia, Mawson Lakes, SA 5095, Australia.
- Future Industries Institute, University of South Australia, Mawson Lakes, SA 5095, Australia
| | - Johanna Simon
- Max-Planck-Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
- Dermatology Clinic, University Medical Center of the Johannes Gutenberg-University Mainz, Langenbeckstr. 1, 55131 Mainz, Germany
| | | | - Richard Bright
- Academic Unit of STEM, The University of South Australia, Mawson Lakes, SA 5095, Australia.
- Future Industries Institute, University of South Australia, Mawson Lakes, SA 5095, Australia
| | - Satriyo K Wahono
- Research Division for Natural Product Technology, Indonesian Institutes of Sciences, Jl. Jogja-Wonosari km 32, Gading, Playen, Gunungkidul, Yogyakarta 55861, Indonesia
| | - Kostya Ostrikov
- School of Chemistry and Physics, Centre for Materials Science, Centre for Biomedical Technologies, Queensland University of Technology, Brisbane, QLD 4000, Australia
| | - Volker Mailänder
- Max-Planck-Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
- Dermatology Clinic, University Medical Center of the Johannes Gutenberg-University Mainz, Langenbeckstr. 1, 55131 Mainz, Germany
| | - Katharina Landfester
- Max-Planck-Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
- Dermatology Clinic, University Medical Center of the Johannes Gutenberg-University Mainz, Langenbeckstr. 1, 55131 Mainz, Germany
| | - Nirmal Goswami
- Academic Unit of STEM, The University of South Australia, Mawson Lakes, SA 5095, Australia.
- Materials Chemistry Department, CSIR-Institute of Minerals and Materials Technology, Acharya Vihar, Bhubaneswar-751013, India
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, 201 002, India
| | - Krasimir Vasilev
- Academic Unit of STEM, The University of South Australia, Mawson Lakes, SA 5095, Australia.
- Future Industries Institute, University of South Australia, Mawson Lakes, SA 5095, Australia
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Wang C, Jiang X, Zeng Y, Terry RN, Li W. Rapidly separable microneedle patches for controlled release of therapeutics for long-acting therapies. MEDICINE IN DRUG DISCOVERY 2021. [DOI: 10.1016/j.medidd.2021.100118] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
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Avcil M, Çelik A. Microneedles in Drug Delivery: Progress and Challenges. MICROMACHINES 2021; 12:mi12111321. [PMID: 34832733 PMCID: PMC8623547 DOI: 10.3390/mi12111321] [Citation(s) in RCA: 64] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 10/20/2021] [Accepted: 10/24/2021] [Indexed: 01/21/2023]
Abstract
In recent years, an innovative transdermal delivery technology has attracted great interest for its ability to distribute therapeutics and cosmeceuticals for several applications, including vaccines, drugs, and biomolecules for skin-related problems. The advantages of microneedle patch technology have been extensively evaluated in the latest literature; hence, the academic publications in this area are rising exponentially. Like all new technologies, the microneedle patch application has great potential but is not without limitations. In this review, we will discuss the possible limitations by highlighting the areas where a great deal of improvements are required. Emphasising these concerns early on should help scientists and technologists to address the matters in a timely fashion and to use their resources wisely.
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Weimer P, Rossi RC, Koester LS. Dissolving Microneedles Developed in Association with Nanosystems: A Scoping Review on the Quality Parameters of These Emerging Systems for Drug or Protein Transdermal Delivery. Pharmaceutics 2021; 13:pharmaceutics13101601. [PMID: 34683895 PMCID: PMC8538119 DOI: 10.3390/pharmaceutics13101601] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Revised: 09/24/2021] [Accepted: 09/27/2021] [Indexed: 12/20/2022] Open
Abstract
The largest organ of the body provides the main challenge for the transdermal delivery of lipophilic or high molecular weight drugs. To cross the main barrier of the skin, the stratum corneum, many techniques have been developed and improved. In the last 20 years, the association of microneedles with nanostructured systems has gained prominence for its versatility and for enabling targeted drug delivery. Currently, the combination of these mechanisms is pointed to as an emerging technology; however, some gaps need to be answered to transcend the development of these devices from the laboratory scale to the pharmaceutical market. It is known that the lack of regulatory guidelines for quality control is a hindrance to market conquest. In this context, this study undertakes a scoping review of original papers concerning methods applied to evaluate both the quality and drug/protein delivery of dissolving and hydrogel-forming microneedles developed in association with nanostructured systems.
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Affiliation(s)
- Patrícia Weimer
- Programa de Pós-Graduação em Ciências Farmacêuticas, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre 90610-000, Brazil;
| | - Rochele Cassanta Rossi
- Programa de Pós-Graduação em Nutrição e Alimentos, Universidade do Vale do Rio dos Sinos (UNISINOS), São Leopoldo 93022-000, Brazil;
| | - Letícia Scherer Koester
- Programa de Pós-Graduação em Ciências Farmacêuticas, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre 90610-000, Brazil;
- Correspondence: ; Tel.: +55-51-33085278; Fax: +55-51-33085437
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Polymeric microneedles for transdermal delivery of nanoparticles: Frontiers of formulation, sterility and stability aspects. J Drug Deliv Sci Technol 2021. [DOI: 10.1016/j.jddst.2021.102711] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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Nam G, Kim M, Jang Y, Cho S. Cold Atmospheric Pressure Microplasma Pipette for Disinfection of Methicillin-Resistant Staphylococcus aureus. MICROMACHINES 2021; 12:1103. [PMID: 34577746 PMCID: PMC8465082 DOI: 10.3390/mi12091103] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 09/10/2021] [Accepted: 09/10/2021] [Indexed: 11/20/2022]
Abstract
Microbial infections should be controlled and prevented for successful wound healing and tissue regeneration. Various disinfection methods exist that use antibiotics, ultraviolet (UV), heat, radiation, or chemical disinfectants; however, cold atmospheric pressure plasma has exhibited a unique and effective antibacterial ability that is not affected by antibiotic resistance or pain. This study develops a cold atmospheric pressure microplasma pipette (CAPMP) that outputs an Ar plasma plume through a tube with an inner radius of 180 μm for disinfection in a small area. The CAPMP was evaluated using Staphylococcus aureus and methicillin-resistant Staphylococcus aureus diluted in liquid media, spread on solid agar, or covered by dressing gauze. An increase in the treatment time of CAPMP resulted in a decrease in the number of colonies of the grown microorganism (colony forming unit) and an increase in the disinfected area for both bacteria. The disinfection ability of CAPMP was observed when the bacteria were covered with dressing gauze and was dependent on the number of gauze layers.
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Affiliation(s)
- Geunyoung Nam
- Department of Biomedical Engineering, Gachon Advanced Institute for Health Science & Technology, Gachon University, 191 Hambakmoe-ro, Incheon 21999, Korea;
| | - Muhwan Kim
- Femto Science Inc., 557 Dongtangiheung-ro, Hwaseong-si 18469, Gyeonggi-do, Korea; (M.K.); (Y.J.)
| | - Yeonsook Jang
- Femto Science Inc., 557 Dongtangiheung-ro, Hwaseong-si 18469, Gyeonggi-do, Korea; (M.K.); (Y.J.)
| | - Sungbo Cho
- Department of Biomedical Engineering, Gachon Advanced Institute for Health Science & Technology, Gachon University, 191 Hambakmoe-ro, Incheon 21999, Korea;
- Department of Electronic Engineering, Gachon University, 1342 Seongnamdaero, Sujeong-gu, Seongnam-si 13120, Gyeonggi-do, Korea
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Abstract
OBJECTIVE The burden of the management of problematic skin wounds characterised by a compromised skin barrier is growing rapidly. Almost six million patients are affected in the US alone, with an estimated market of $25 billion annually. There is an urgent requirement for efficient mechanism-based treatments and more efficacious drug delivery systems. Novel strategies are needed for faster healing by reducing infection, moisturising the wound, stimulating the healing mechanisms, speeding up wound closure and reducing scar formation. METHODS A systematic review of qualitative studies was conducted on the recent perspectives of nanotechnology in burn wounds management. Pubmed, Scopus, EMBASE, CINAHL and PsychINFO databases were all systematically searched. Authors independently rated the reporting of the qualitative studies included. A comprehensive literature search was conducted covering various resources up to 2018-2019. Traditional techniques aim to simply cover the wound without playing any active role in wound healing. However, nanotechnology-based solutions are being used to create multipurpose biomaterials, not only for regeneration and repair, but also for on-demand delivery of specific molecules. The chronic nature and associated complications of nonhealing wounds have led to the emergence of nanotechnology-based therapies that aim at facilitating the healing process and ultimately repairing the injured tissue. CONCLUSION Nanotechnology-based therapy is in the forefront of next-generation therapy that is able to advance wound healing of hard-to-heal wounds. In this review, we will highlight the developed nanotechnology-based therapeutic agents and assess the viability and efficacy of each treatment. Herein we will explore the unmet needs and future directions of current technologies, while discussing promising strategies that can advance the wound-healing field.
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Affiliation(s)
- Ruan Na
- Orthopedics Department, Affiliated Tongji Hospital of Huazhong University of Science and Technology, Wuhan City, Hubei Province, 430030, China
| | - Tian Wei
- Department of Biomedical Engineering
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Moniz T, Costa Lima SA, Reis S. Marine polymeric microneedles for transdermal drug delivery. Carbohydr Polym 2021; 266:118098. [PMID: 34044917 DOI: 10.1016/j.carbpol.2021.118098] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 04/15/2021] [Accepted: 04/16/2021] [Indexed: 12/16/2022]
Abstract
Transdermal drug delivery is considered one of the most attractive routes for administration of pharmaceutic and cosmetic active ingredients due to the numerous advantages, especially over oral and intravenous methodologies. However, some limitations still exist mainly regarding the need to improve the drugs permeation across the skin. For this, several strategies have been described, considering the application of chemical permeation enhancers, drugs' nanoformulations and physical methods. Of these, microneedles have been proposed in the last years as promising strategies to enhance transdermal drug delivery. In this review, different types of microneedles are described, and the most commonly used methods of fabrication systematized, as well as the materials typically used and their main therapeutical applications. A special attention is paid to polymeric microneedles, particularly those made from sustainable marine polysaccharides like chitosan, alginate and hyaluronic acid. The applications of marine based polymeric microneedle devices for transdermal drug delivery are examined in detail and the perspectives of translation from the clinical trials to the market demonstrated.
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Affiliation(s)
- Tânia Moniz
- LAQV, REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
| | - Sofia A Costa Lima
- LAQV, REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal.
| | - Salette Reis
- LAQV, REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
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31
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Gao Y, Zhang W, Cheng YF, Cao Y, Xu Z, Xu LQ, Kang Y, Xue P. Intradermal administration of green synthesized nanosilver (NS) through film-coated PEGDA microneedles for potential antibacterial applications. Biomater Sci 2021; 9:2244-2254. [PMID: 33514957 DOI: 10.1039/d0bm02136a] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Skin infections caused by pathogens, including bacteria, fungi and viruses, are difficult to completely eliminate through standard topical administration, owing to the restricted drug permeation into the epidermis layer. Herein, we developed a poly(ethylene glycol) diacrylate (PEGDA) microneedle patch with surface coating of a nanosilver (NS) encapsulated gelatin/sucrose film for antibacterial applications, by virtue of enhanced skin permeation by microneedle penetration and efficient drug delivery through rapid film dissolving. NS was facilely synthesized through a green process based on the bioinspired crystallization of ionic state silver in the presence of a silk fibroin (SF) template. A gelatin/sucrose polymeric film encapsulating NS was dressed on the surface of the mold cavity, and film-coated PEGDA (PEGDA/film-NS) microneedles were subsequently fabricated through standard ultraviolet (UV) light-induced polymerization. To demonstrate their advantages for therapeutic applications, the physicochemical properties of the as-developed microneedles were characterized in terms of their morphology, composition, mechanical strength, etc. Moreover, rapid NS release from PEGDA@film-NS microneedles driven by the aqueous environment was demonstrated under physiological conditions. Additionally, such film-coated microneedles exhibited good mechanical strength for skin penetration, and their antibacterial activity against Gram-positive bacteria (Staphylococcus epidermidis and Staphylococcus aureus) as well as Gram-negative bacteria (Escherichia coli and Pseudomonas aeruginosa) was verified using bacterial suspension in vitro. Altogether, such a minimally invasive strategy exhibited good potential for realizing a broad-spectrum antibacterial effect, which may provide a practical methodology for the management of polymicrobial skin infection during clinical trials.
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Affiliation(s)
- Ya Gao
- School of Materials and Energy, Southwest University, Chongqing 400715, China.
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Pahal S, Badnikar K, Ghate V, Bhutani U, Nayak MM, Subramanyam DN, Vemula PK. Microneedles for Extended Transdermal Therapeutics: A Route to Advanced Healthcare. Eur J Pharm Biopharm 2021; 159:151-169. [PMID: 33388372 DOI: 10.1016/j.ejpb.2020.12.020] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 12/10/2020] [Accepted: 12/22/2020] [Indexed: 11/17/2022]
Abstract
Sustained release of drugs over a pre-determined period is required to maintain an effective therapeutic dose for variety of drug delivery applications. Transdermal devices such as polymeric microneedle patches and other microneedle-based devices have been utilized for sustained release of their payload. Swift clearing of drugs can be prevented either by designing a slow-degrading polymeric matrix or by providing physiochemical triggers to different microneedle-based devices for on-demand release. These long-acting transdermal devices prevent the burst release of drugs. This review highlights the recent advances of microneedle-based devices for sustained release of vaccines, hormones, and antiretrovirals with their prospective safe clinical translation.
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Affiliation(s)
- Suman Pahal
- Institute for Stem Cell Science and Regenerative Medicine (inStem), Bangalore, Karnataka 560065, India.
| | - Kedar Badnikar
- Department of Electronics Systems Engineering, Indian Institute of Science, Bangalore, Karnataka 560012, India
| | - Vivek Ghate
- Department of Electronics Systems Engineering, Indian Institute of Science, Bangalore, Karnataka 560012, India
| | - Utkarsh Bhutani
- Institute for Stem Cell Science and Regenerative Medicine (inStem), Bangalore, Karnataka 560065, India
| | - Mangalore Manjunatha Nayak
- Centre for Nano Science and Engineering, Indian Institute of Science, Bangalore, Karnataka 560012, India
| | | | - Praveen Kumar Vemula
- Institute for Stem Cell Science and Regenerative Medicine (inStem), Bangalore, Karnataka 560065, India.
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33
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Dabholkar N, Gorantla S, Waghule T, Rapalli VK, Kothuru A, Goel S, Singhvi G. Biodegradable microneedles fabricated with carbohydrates and proteins: Revolutionary approach for transdermal drug delivery. Int J Biol Macromol 2020; 170:602-621. [PMID: 33387545 DOI: 10.1016/j.ijbiomac.2020.12.177] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 12/22/2020] [Accepted: 12/23/2020] [Indexed: 10/22/2022]
Abstract
There has been a surge in the use of transdermal drug delivery systems (TDDS) for the past few years. The market of TDDS is expected to reach USD 7.1 billion by 2023, from USD 5.7 billion in 2018, at a CAGR of 4.5%. Microneedles (MNs) are a novel class of TDDS with advantages of reduced pain, low infection risk, ease of application, controlled release of therapeutic agents, and enhanced bioavailability. Biodegradable MNs fabricated from natural polymers have become the center of attention among formulation scientists because of their recognized biodegradability, biocompatibility, ease of fabrication, and sustainable character. In this review, we summarize the various polysaccharides and polypeptide based biomaterials that are used to fabricate biodegradable MNs. Particular emphasis is given to cellulose and its derivatives, starch, and complex carbohydrate polymers such as alginates, chitosan, chondroitin sulfate, xanthan gum, pullulan, and hyaluronic acid. Additionally, novel protein-based polymers such as zein, collagen, gelatin, fish scale and silk fibroin (polyamino acid) biopolymers application in transdermal drug delivery have also been discussed. The current review will provide a unique perspective to the readers on the developments of biodegradable MNs composed of carbohydrates and protein polymers with their clinical applications and patent status.
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Affiliation(s)
- Neha Dabholkar
- Industrial Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science (BITS), Pilani, Pilani Campus, Rajasthan, India
| | - Srividya Gorantla
- Industrial Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science (BITS), Pilani, Pilani Campus, Rajasthan, India
| | - Tejashree Waghule
- Industrial Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science (BITS), Pilani, Pilani Campus, Rajasthan, India
| | - Vamshi Krishna Rapalli
- Industrial Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science (BITS), Pilani, Pilani Campus, Rajasthan, India
| | - Avinash Kothuru
- Department of Electrical and Electronics Engineering, Principal Investigator: MEMS, Microfluidics and Nanoelectronics Lab, Birla Institute of Technology and Science (BITS), Pilani, Hyderabad Campus, Hyderabad, India
| | - Sanket Goel
- Department of Electrical and Electronics Engineering, Principal Investigator: MEMS, Microfluidics and Nanoelectronics Lab, Birla Institute of Technology and Science (BITS), Pilani, Hyderabad Campus, Hyderabad, India
| | - Gautam Singhvi
- Industrial Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science (BITS), Pilani, Pilani Campus, Rajasthan, India.
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Liu W, Ge H, Ding X, Lu X, Zhang Y, Gu Z. Cubic nano-silver-decorated manganese dioxide micromotors: enhanced propulsion and antibacterial performance. NANOSCALE 2020; 12:19655-19664. [PMID: 32996985 DOI: 10.1039/d0nr06281b] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The increasing threat of antibiotic-resistant bacterial strains represents the current antibacterial dilemma and requires novel bactericidal treatment to circumvent this problem. In this work, an efficient strategy for killing bacteria using PEDOT/MnO2@Ag micromotors is reported based on the intense motion-induced convection and excellent sterilization ability of silver (Ag) ions. A distinctive inner surface structure with cubic Ag nanoparticle growth and dispersion in the MnO2 layer was constructed by simple cathodic co-electrodeposition. Due to the synergistic catalytic reaction of both MnO2 and Ag, the micromotors can rapidly swim in very low concentrations of hydrogen peroxide (H2O2). The antibacterial efficiency of the micromotors was evaluated with the Escherichia coli (E. coli) model. The continuous movement of micromotors, corresponding to violent mass transfer, along with the on-the-fly release of silver ions, greatly enhanced bacteria killing efficacy, with about 14% increase in bacterial death in 0.2% H2O2 solution as compared to no motors. Such proposed micromotors could be ideal candidates for combating antibiotic-resistant bacteria in the fields of biomedical and environmental applications.
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Affiliation(s)
- Wenjuan Liu
- College of Materials Science and Engineering, Nanjing Tech University, Nanjing 211816, China.
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35
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Zhang T, Sun B, Guo J, Wang M, Cui H, Mao H, Wang B, Yan F. Active pharmaceutical ingredient poly(ionic liquid)-based microneedles for the treatment of skin acne infection. Acta Biomater 2020; 115:136-147. [PMID: 32853804 DOI: 10.1016/j.actbio.2020.08.023] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 08/18/2020] [Accepted: 08/20/2020] [Indexed: 12/24/2022]
Abstract
As an inflammatory skin disease of pilosebaceous follicles, Propionibacterium acnes (P. acnes) can aggravate local inflammatory responses and forms acne lesions. However, due to the skin barrier, various transdermal measures other than antibiotic creams are necessary. Microneedle (MN) patches are emerging platforms for the transdermal delivery of various therapeutics since it can effectively create transport pathways in the epidermis. Herein, we develop an active pharmaceutical ingredient poly(ionic liquid) (API PIL)-based MN patches containing salicylic acid (SA). The PIL-based MNs are simply prepared through photo-crosslinking of an imidazolium-type ionic liquid (IL) monomer in MN micro-molds, and following by anion exchange with salicylic acid anions (SA-). The fabricated SA-loaded PIL-MNs exhibited therapeutic efficiency in the topical treatment of P. acnes infection in vitro and in vivo. These active pharmaceutical ingredient PIL-based MNs can improve acne treatment, demonstrating potential applications for skin diseases. STATEMENT OF SIGNIFICANCE: Microneedle (MN) patches can be used as platforms for transdermal delivery of various therapeutics to treat bacterial infection. Here, a facile strategy was developed to synthesize active pharmaceutical ingredient poly(ionic liquid)-based microneedle patches by anion-exchange with salicylic acid anion (SA-). The fabricated SA-loaded PIL-MNs are active on not only anti-bacteria but also anti-inflammation in P. acnes treated mice, and may have potential applications for skin acne infection.
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Jamaledin R, Makvandi P, Yiu CKY, Agarwal T, Vecchione R, Sun W, Maiti TK, Tay FR, Netti PA. Engineered Microneedle Patches for Controlled Release of Active Compounds: Recent Advances in Release Profile Tuning. ADVANCED THERAPEUTICS 2020. [DOI: 10.1002/adtp.202000171] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Rezvan Jamaledin
- Department of Chemical, Materials & Industrial Production Engineering University of Naples Federico II Naples 80125 Italy
- Center for Advanced Biomaterials for Health Care (iit@CRIB) Italian Institute of Technology Naples 80125 Italy
| | - Pooyan Makvandi
- Center for Micro‐BioRobotics Istituto Italiano di Tecnologia (IIT) Viale R. Piaggio 34, 56025 Pontedera Pisa Italy
| | - Cynthia K. Y. Yiu
- Paediatric Dentistry and Orthodontics, Faculty of Dentistry, Prince Philip Dental Hospital The University of Hong Kong Hong Kong SAR China
| | - Tarun Agarwal
- Department of Biotechnology Indian Institute of Technology Kharagpur 721302 India
| | - Raffaele Vecchione
- Center for Advanced Biomaterials for Health Care (iit@CRIB) Italian Institute of Technology Naples 80125 Italy
| | - Wujin Sun
- Department of Bioengineering Center for Minimally Invasive Therapeutics University of California, Los Angeles Los Angeles CA 90095 USA
| | - Tapas Kumar Maiti
- Department of Biotechnology Indian Institute of Technology Kharagpur 721302 India
| | | | - Paolo Antonio Netti
- Center for Advanced Biomaterials for Health Care (iit@CRIB) Italian Institute of Technology Naples 80125 Italy
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37
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Batra P, Dawar A, Miglani S. Microneedles and Nanopatches-Based Delivery Devices in Dentistry. Discoveries (Craiova) 2020; 8:e116. [PMID: 33094150 PMCID: PMC7561465 DOI: 10.15190/d.2020.13] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Needle-based devices are evolving as a promising diagnostic and therapeutic tool in the field of medicine. They can be used for drug delivery, as well as extraction of fluids, for systemic and local effects. The conventional methods of drug delivery require repeated dosing in the oral cavity due to the presence of saliva. Hence delivery systems, such as needle-based devices that could provide sustained release of the drug in the oral cavity, are required. These devices could also be a useful adjunct in diagnosis and therapy of oral cancers, delivering anti-cariogenic and antiplaque agents, for remote monitoring of oral health, and for administering painless and fearless local anesthesia. Since they offer many advantages, such as increased compliance, absence of needle phobia, they are painless, safe, self-applicable and are minimally invasive, they will have a major impact in the field of dentistry. This paper summarizes the various types of needle-based devices and their manufacturing technologies. The manuscript aims to serve as a foundational review that highlights and proposes several current and prospective impactful applications of these devices in various fields of dentistry.
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Affiliation(s)
- Panchali Batra
- Department of Orthodontics, Faculty of Dentistry, Jamia Millia Islamia, (Central University), New Delhi, India
| | - Anika Dawar
- Division of Periodontics, Centre for Dental Education and Research, All India Institute of Medical Sciences, New Delhi, India
| | - Sanjay Miglani
- Department of Conservative Dentistry and Endodontics, Faculty of Dentistry, Jamia Millia Islamia (Central University), New Delhi, India
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38
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Jamaledin R, Yiu CKY, Zare EN, Niu LN, Vecchione R, Chen G, Gu Z, Tay FR, Makvandi P. Advances in Antimicrobial Microneedle Patches for Combating Infections. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e2002129. [PMID: 32602146 DOI: 10.1002/adma.202002129] [Citation(s) in RCA: 177] [Impact Index Per Article: 44.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 05/16/2020] [Indexed: 05/22/2023]
Abstract
Skin infections caused by bacteria, viruses and fungi are difficult to treat by conventional topical administration because of poor drug penetration across the stratum corneum. This results in low bioavailability of drugs to the infection site, as well as the lack of prolonged release. Emerging antimicrobial transdermal and ocular microneedle patches have become promising medical devices for the delivery of various antibacterial, antifungal, and antiviral therapeutics. In the present review, skin anatomy and its barriers along with skin infection are discussed. Potential strategies for designing antimicrobial microneedles and their targeted therapy are outlined. Finally, biosensing microneedle patches associated with personalized drug therapy and selective toxicity toward specific microbial species are discussed.
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Affiliation(s)
- Rezvan Jamaledin
- Center for Advanced Biomaterials for Health Care (iit@CRIB), Istituto Italiano di Tecnologia, Naples, 80125, Italy
| | - Cynthia K Y Yiu
- Paediatric Dentistry and Orthodontics, Faculty of Dentistry, The University of Hong Kong, Prince Philip Dental Hospital, Hong Kong SAR, P. R. China
| | - Ehsan N Zare
- School of Chemistry, Damghan University, Damghan, 36716-41167, Iran
| | - Li-Na Niu
- State Key Laboratory of Military Stomatology National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710000, P. R. China
| | - Raffaele Vecchione
- Center for Advanced Biomaterials for Health Care (iit@CRIB), Istituto Italiano di Tecnologia, Naples, 80125, Italy
| | - Guojun Chen
- Department of Bioengineering, University of California, Los Angeles, CA, 90095, USA
- California NanoSystems Institute, University of California, Los Angeles, CA, 90095, USA
| | - Zhen Gu
- Department of Bioengineering, University of California, Los Angeles, CA, 90095, USA
- California NanoSystems Institute, University of California, Los Angeles, CA, 90095, USA
| | - Franklin R Tay
- The Graduate School, Augusta University, Augusta, GA, 30912, USA
| | - Pooyan Makvandi
- Institute for Polymers, Composites, and Biomaterials (IPCB), National Research Council (CNR), Naples, 80125, Italy
- Chemistry Department, Faculty of Science, Shahid Chamran University of Ahvaz, Ahvaz, 61537-53843, Iran
- Department of Medical Nanotechnology, Faculty of Advanced, Technologies in Medicine, Iran University of Medical Sciences, Tehran, 14496-14535, Iran
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39
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The Impact of Engineered Silver Nanomaterials on the Immune System. NANOMATERIALS 2020; 10:nano10050967. [PMID: 32443602 PMCID: PMC7712063 DOI: 10.3390/nano10050967] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 05/04/2020] [Accepted: 05/05/2020] [Indexed: 01/07/2023]
Abstract
Over the last decades there has been a tremendous volume of research efforts focused on engineering silver-based (nano)materials. The interest in silver has been mostly driven by the element capacity to kill pathogenic bacteria. In this context, the main area of application has been medical devices that are at significant risk of becoming colonized by bacteria and subsequently infected. However, silver nanomaterials have been incorporated in a number of other commercial products which may or may not benefit from antibacterial protection. The rapid expansion of such products raises important questions about a possible adverse influence on human health. This review focuses on examining currently available literature and summarizing the current state of knowledge of the impact of silver (nano)materials on the immune system. The review also looks at various surface modification strategies used to generate silver-based nanomaterials and the immunomodulatory potential of these materials. It also highlights the immune response triggered by various silver-coated implantable devices and provides guidance and perspective towards engineering silver nanomaterials for modulating immunological consequences.
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Xie L, Zeng H, Sun J, Qian W. Engineering Microneedles for Therapy and Diagnosis: A Survey. MICROMACHINES 2020; 11:E271. [PMID: 32150866 PMCID: PMC7143426 DOI: 10.3390/mi11030271] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Revised: 02/26/2020] [Accepted: 02/28/2020] [Indexed: 02/07/2023]
Abstract
Microneedle (MN) technology is a rising star in the point-of-care (POC) field, which has gained increasing attention from scientists and clinics. MN-based POC devices show great potential for detecting various analytes of clinical interests and transdermal drug delivery in a minimally invasive manner owing to MNs' micro-size sharp tips and ease of use. This review aims to go through the recent achievements in MN-based devices by investigating the selection of materials, fabrication techniques, classification, and application, respectively. We further highlight critical aspects of MN platforms for transdermal biofluids extraction, diagnosis, and drug delivery assisted disease therapy. Moreover, multifunctional MNs for stimulus-responsive drug delivery systems were discussed, which show incredible potential for accurate and efficient disease treatment in dynamic environments for a long period of time. In addition, we also discuss the remaining challenges and emerging trend of MN-based POC devices from the bench to the bedside.
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Affiliation(s)
- Liping Xie
- College of Medicine and Biological Information Engineering, Northeastern University, Shenyang 110169, China;
| | - Hedele Zeng
- College of Medicine and Biological Information Engineering, Northeastern University, Shenyang 110169, China;
| | - Jianjun Sun
- Border Biomedical Research Center, University of Texas at El Paso, El Paso, TX 79968, USA
| | - Wei Qian
- Department of Electrical and Computer Engineering, University of Texas, EI Paso, TX 79968, USA;
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Liu GS, Kong Y, Wang Y, Luo Y, Fan X, Xie X, Yang BR, Wu MX. Microneedles for transdermal diagnostics: Recent advances and new horizons. Biomaterials 2020; 232:119740. [PMID: 31918227 PMCID: PMC7432994 DOI: 10.1016/j.biomaterials.2019.119740] [Citation(s) in RCA: 106] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Revised: 12/21/2019] [Accepted: 12/25/2019] [Indexed: 12/16/2022]
Abstract
Point-of-care testing (POCT), defined as the test performed at or near a patient, has been evolving into a complement to conventional laboratory diagnosis by continually providing portable, cost-effective, and easy-to-use measurement tools. Among them, microneedle-based POCT devices have gained increasing attention from researchers due to the glorious potential for detecting various analytes in a minimally invasive manner. More recently, a novel synergism between microneedle and wearable technologies is expanding their detection capabilities. Herein, we provide an overview on the progress in microneedle-based transdermal biosensors. It covers all the main aspects of the field, including design philosophy, material selection, and working mechanisms as well as the utility of the devices. We also discuss lessons from the past, challenges of the present, and visions for the future on translation of these state-of-the-art technologies from the bench to the bedside.
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Affiliation(s)
- Gui-Shi Liu
- Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications, College of Science & Engineering, Jinan University, Guangzhou, 510632, China
| | - Yifei Kong
- Wellman Center for Photomedicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA
| | - Yensheng Wang
- Wellman Center for Photomedicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA
| | - Yunhan Luo
- Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications, College of Science & Engineering, Jinan University, Guangzhou, 510632, China
| | - Xudong Fan
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Xi Xie
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Electronics and Information Technology, Sun Yat-Sen University, Guangzhou, 510006, China.
| | - Bo-Ru Yang
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Electronics and Information Technology, Sun Yat-Sen University, Guangzhou, 510006, China.
| | - Mei X Wu
- Wellman Center for Photomedicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA.
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Chen Y, Yang Y, Xian Y, Singh P, Feng J, Cui S, Carrier A, Oakes K, Luan T, Zhang X. Multifunctional Graphene-Oxide-Reinforced Dissolvable Polymeric Microneedles for Transdermal Drug Delivery. ACS APPLIED MATERIALS & INTERFACES 2020; 12:352-360. [PMID: 31825580 DOI: 10.1021/acsami.9b19518] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Dissolvable polymeric microneedles (DPMNs) are promising transdermal drug delivery systems with minimal invasiveness and improved patient compliance. Incorporation of a small amount of graphene oxide (GO) in the biocompatible polymers for microneedle fabrication results in important new DPMN properties, that is, dramatically enhanced mechanic strength (10-17 times at 500 mg/mL GO), improved moisture resistance, self-sterilization, antibacterial and anti-inflammatory properties (demonstrated in vitro), and near-infrared light-activated controlled drug release (demonstrated in vitro and in vivo), which were exploited for the transdermal delivery of the chemotherapeutic, HA15, to melanoma-bearing mouse models. These new properties improve their efficacy of transdermal drug delivery and ease of use, enhance their capability of controlled drug release, enlarge the scope of the polymers that can be used for DPMN fabrication, prevent microbial contamination during storage and transportation, and reduce infection risk in clinical applications.
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Affiliation(s)
- Yongli Chen
- MOE Key Laboratory of Aquatic Product Safety, School of Marine Sciences , Sun Yat-sen University , Guangzhou 510275 , China
| | - Yikun Yang
- National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital & Shenzhen Hospital , Chinese Academy of Medical Sciences and Peking Union Medical College , Shenzhen 518116 , China
| | | | - Parbeen Singh
- MOE Key Laboratory of Aquatic Product Safety, School of Marine Sciences , Sun Yat-sen University , Guangzhou 510275 , China
| | | | | | | | | | - Tiangang Luan
- MOE Key Laboratory of Aquatic Product Safety, School of Marine Sciences , Sun Yat-sen University , Guangzhou 510275 , China
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Zhang X, Chen G, Yu Y, Sun L, Zhao Y. Bioinspired Adhesive and Antibacterial Microneedles for Versatile Transdermal Drug Delivery. RESEARCH (WASHINGTON, D.C.) 2020; 2020:3672120. [PMID: 32490376 PMCID: PMC7231261 DOI: 10.34133/2020/3672120] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Accepted: 03/27/2020] [Indexed: 11/20/2022]
Abstract
Microneedles have attracted increasing interest among various medical fields due to their painless, noninvasive, and efficient way of drug delivery. However, practical applications of these microneedles in different epidermal locations and environments are still restricted by their low adhesion and poor antimicrobial activity. Here, inspired by the antibacterial strategy of Paenibacillus polymyxa and adhesion mechanisms of mussel byssi and octopus tentacles, we develop hierarchical microneedles with multifunctional adhesive and antibacterial abilities. With polydopamine hydrogel as the microneedle base and a loop of suction-cup-structured concave chambers encircling each microneedle, the generated microneedles can fit the skin well; keep strong adhesion in dry, moist, and wet environments; and realize self-repair after being split into two parts. Besides, as polymyxin is loaded into both the hydrogel tips and the polydopamine base, the microneedles are endowed with excellent ability to resist common bacteria during storage and usage. We have demonstrated that these microneedles not only showed excellent adhesion when applied to knuckles and ideal antibacterial activity but also performed well in drug-sustained release and treatment for the osteoarthritis rat model. These results indicate that bioinspired multifunctional microneedles will break through the limitation of traditional methods and be ideal candidates for versatile transdermal drug delivery systems.
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Affiliation(s)
- Xiaoxuan Zhang
- Department of Rheumatology and Immunology, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Guopu Chen
- Department of Rheumatology and Immunology, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - Yunru Yu
- Department of Rheumatology and Immunology, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Lingyu Sun
- Department of Rheumatology and Immunology, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Yuanjin Zhao
- Department of Rheumatology and Immunology, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
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Lee KJ, Jeong SS, Roh DH, Kim DY, Choi HK, Lee EH. A practical guide to the development of microneedle systems – In clinical trials or on the market. Int J Pharm 2020; 573:118778. [DOI: 10.1016/j.ijpharm.2019.118778] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Revised: 10/08/2019] [Accepted: 10/08/2019] [Indexed: 12/22/2022]
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Yang B, Fang X, Kong J. In Situ Sampling and Monitoring Cell-Free DNA of the Epstein-Barr Virus from Dermal Interstitial Fluid Using Wearable Microneedle Patches. ACS APPLIED MATERIALS & INTERFACES 2019; 11:38448-38458. [PMID: 31554395 DOI: 10.1021/acsami.9b12244] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Using polymerase chain reaction and genotyping, Epstein-Barr virus cell-free DNA (EBV Cf DNA) was detectable in interstitial fluid (ISF). Microneedles offer a minimally invasive approach to capture such Cf DNA. However, a key challenge of microneedles lies in the ability to specifically isolate biomarkers within a short time. We introduced a hydrogel microneedle patch for rapid and easy capture of EBV Cf DNA from ISF in situ around 15 min, with a maximum capture efficiency of 93.6%. Then, quantification of EBV Cf DNA was achieved by electrochemical recombinase polymerase amplification wearable flexible microfluidics, with a detection limit of 3.7 × 102 copies/μL. Animal tests supported the performance of microneedles for EBV Cf DNA capture. Collectively, these data showed that the microneedle patch may have broad implications for patients with Cf DNA-related disease and cancer metastasis in minimally invasive manners.
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Affiliation(s)
- Bin Yang
- Department of Chemistry and Institutes of Biomedical Sciences , Fudan University , Shanghai 200433 , P. R. China
| | - Xueen Fang
- Department of Chemistry and Institutes of Biomedical Sciences , Fudan University , Shanghai 200433 , P. R. China
| | - Jilie Kong
- Department of Chemistry and Institutes of Biomedical Sciences , Fudan University , Shanghai 200433 , P. R. China
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Abstract
This feature article begins by outlining the problem of infection and its implication on healthcare. The initial introductory section is followed by a description of the four distinct classes of antibacterial coatings and materials, i.e., bacteria repealing, contact killing, releasing and responsive, that were developed over the years by our team and others. Specific examples of each individual class of antibacterial materials and a discussion on the pros and cons of each strategy are provided. The article contains a dedicated section focused on silver nanoparticle based coatings and materials, which have attracted tremendous interest from the scientific and medical communities. The article concludes with the author’s view regarding the future of the field.
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Yan L, Alba M, Tabassum N, Voelcker NH. Micro‐ and Nanosystems for Advanced Transdermal Delivery. ADVANCED THERAPEUTICS 2019. [DOI: 10.1002/adtp.201900141] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Li Yan
- Monash Institute of Pharmaceutical Sciences Monash University Parkville Victoria 3052 Australia
- Commonwealth Scientific and Industrial Research Organisation (CSIRO) Manufacturing Clayton Victoria 3168 Australia
| | - Maria Alba
- Monash Institute of Pharmaceutical Sciences Monash University Parkville Victoria 3052 Australia
- Commonwealth Scientific and Industrial Research Organisation (CSIRO) Manufacturing Clayton Victoria 3168 Australia
| | - Nazia Tabassum
- Monash Institute of Pharmaceutical Sciences Monash University Parkville Victoria 3052 Australia
- The University of Central Punjab Johar Town Lahore 54000 Pakistan
| | - Nicolas H. Voelcker
- Monash Institute of Pharmaceutical Sciences Monash University Parkville Victoria 3052 Australia
- Commonwealth Scientific and Industrial Research Organisation (CSIRO) Manufacturing Clayton Victoria 3168 Australia
- Melbourne Centre for Nanofabrication Victorian Node of the Australian National Fabrication Facility Clayton Victoria 3168 Australia
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Rodgers AM, Cordeiro AS, Donnelly RF. Technology update: dissolvable microneedle patches for vaccine delivery. MEDICAL DEVICES-EVIDENCE AND RESEARCH 2019; 12:379-398. [PMID: 31572025 PMCID: PMC6756839 DOI: 10.2147/mder.s198220] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Accepted: 08/08/2019] [Indexed: 12/17/2022] Open
Abstract
Despite vaccination representing one of the greatest advances of modern preventative medicine, there remain significant challenges in vaccine distribution, delivery and compliance. Dissolvable microarray patches or dissolving microneedles (DMN) have been proposed as an innovative vaccine delivery platform that could potentially revolutionize vaccine delivery and circumvent many of the challenges faced with current vaccine strategies. DMN, due to their ease of use, lack of elicitation of pain response, self-disabling nature and ease of transport and distribution, offer an attractive delivery option for vaccines. Additionally, as DMN inherently targets the uppermost skin layers, they facilitate improved vaccine efficacy, due to direct targeting of skin antigen-presenting cells. A plethora of publications have demonstrated the efficacy of DMN vaccination for a range of vaccines, with influenza receiving particular attention. However, before the viable adoption of DMN for vaccination purposes in a clinical setting, a number of fundamental questions must be addressed. Accordingly, this review begins by introducing some of the key barriers faced by current vaccination approaches and how DMN can overcome these challenges. We introduce some of the recent advances in the field of DMN technology, highlighting the potential impact DMN could have, particularly in countries of the developing world. We conclude by reflecting on some of the key questions that remain unanswered and which warrant further investigation before DMNs can be utilized in clinical settings.
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Affiliation(s)
- Aoife M Rodgers
- School of Pharmacy, Queen’s University Belfast, Belfast, BT9 7BL, UK
| | - Ana Sara Cordeiro
- School of Pharmacy, Queen’s University Belfast, Belfast, BT9 7BL, UK
| | - Ryan F Donnelly
- School of Pharmacy, Queen’s University Belfast, Belfast, BT9 7BL, UK
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A Review on Surface Modifications and Coatings on Implants to Prevent Biofilm. REGENERATIVE ENGINEERING AND TRANSLATIONAL MEDICINE 2019. [DOI: 10.1007/s40883-019-00116-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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