1
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Ertas YN, Ertas D, Erdem A, Segujja F, Dulchavsky S, Ashammakhi N. Diagnostic, Therapeutic, and Theranostic Multifunctional Microneedles. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2308479. [PMID: 38385813 DOI: 10.1002/smll.202308479] [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: 09/23/2023] [Revised: 01/04/2024] [Indexed: 02/23/2024]
Abstract
Microneedles (MNs) have maintained their popularity in therapeutic and diagnostic medical applications throughout the past decade. MNs are originally designed to gently puncture the stratum corneum layer of the skin and have lately evolved into intelligent devices with functions including bodily fluid extraction, biosensing, and drug administration. MNs offer limited invasiveness, ease of application, and minimal discomfort. Initially manufactured solely from metals, MNs are now available in polymer-based varieties. MNs can be used to create systems that deliver drugs and chemicals uniformly, collect bodily fluids, and are stimulus-sensitive. Although these advancements are favorable in terms of biocompatibility and production costs, they are insufficient for the therapeutic use of MNs. This is the first comprehensive review that discusses individual MN functions toward the evolution and development of smart and multifunctional MNs for a variety of novel and impactful future applications. The study examines fabrication techniques, application purposes, and experimental details of MN constructs that perform multiple functions concurrently, including sensing, drug-molecule release, sampling, and remote communication capabilities. It is highly likely that in the near future, MN-based smart devices will be a useful and important component of standard medical practice for different applications.
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Affiliation(s)
- Yavuz Nuri Ertas
- Department of Biomedical Engineering, Erciyes University, Kayseri, 38039, Türkiye
- ERNAM-Nanotechnology Research and Application Center, Erciyes University, Kayseri, 38039, Türkiye
- UNAM-National Nanotechnology Research Center, Bilkent University, Ankara, 06800, Türkiye
| | - Derya Ertas
- ERNAM-Nanotechnology Research and Application Center, Erciyes University, Kayseri, 38039, Türkiye
| | - Ahmet Erdem
- Department of Biomedical Engineering, Kocaeli University, Umuttepe Campus, Kocaeli, 41380, Türkiye
- Department of Chemistry, Kocaeli University, Umuttepe Campus, Kocaeli, 41380, Türkiye
| | - Farouk Segujja
- Department of Biomedical Engineering, Kocaeli University, Umuttepe Campus, Kocaeli, 41380, Türkiye
| | - Scott Dulchavsky
- Department of Surgery, Henry Ford Health, Detroit, MI, 48201, USA
| | - Nureddin Ashammakhi
- Institute for Quantitative Health Science and Engineering (IQ) and Department of Biomedical Engineering (BME), Colleges of Engineering and Human Medicine, Michigan State University, East Lansing, MI, 48824, USA
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2
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Zhuang ZM, Wang Y, Feng ZX, Lin XY, Wang ZC, Zhong XC, Guo K, Zhong YF, Fang QQ, Wu XJ, Chen J, Tan WQ. Targeting Diverse Wounds and Scars: Recent Innovative Bio-design of Microneedle Patch for Comprehensive Management. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2306565. [PMID: 38037685 DOI: 10.1002/smll.202306565] [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: 08/01/2023] [Revised: 09/16/2023] [Indexed: 12/02/2023]
Abstract
Wounds and the subsequent formation of scars constitute a unified and complex phased process. Effective treatment is crucial; however, the diverse therapeutic approaches for different wounds and scars, as well as varying treatment needs at different stages, present significant challenges in selecting appropriate interventions. Microneedle patch (MNP), as a novel minimally invasive transdermal drug delivery system, has the potential for integrated and programmed treatment of various diseases and has shown promising applications in different types of wounds and scars. In this comprehensive review, the latest applications and biotechnological innovations of MNPs in these fields are thoroughly explored, summarizing their powerful abilities to accelerate healing, inhibit scar formation, and manage related symptoms. Moreover, potential applications in various scenarios are discussed. Additionally, the side effects, manufacturing processes, and material selection to explore the clinical translational potential are investigated. This groundwork can provide a theoretical basis and serve as a catalyst for future innovations in the pursuit of favorable therapeutic options for skin tissue regeneration.
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Affiliation(s)
- Ze-Ming Zhuang
- Department of Plastic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 3 East Qingchun Road, Hangzhou, 310016, P. R. China
| | - Yong Wang
- Department of Plastic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 3 East Qingchun Road, Hangzhou, 310016, P. R. China
| | - Zi-Xuan Feng
- Department of Plastic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 3 East Qingchun Road, Hangzhou, 310016, P. R. China
| | - Xiao-Ying Lin
- Department of Plastic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 3 East Qingchun Road, Hangzhou, 310016, P. R. China
| | - Zheng-Cai Wang
- Department of Plastic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 3 East Qingchun Road, Hangzhou, 310016, P. R. China
| | - Xin-Cao Zhong
- Department of Plastic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 3 East Qingchun Road, Hangzhou, 310016, P. R. China
| | - Kai Guo
- Department of Plastic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 3 East Qingchun Road, Hangzhou, 310016, P. R. China
| | - Yu-Fan Zhong
- Department of Plastic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 3 East Qingchun Road, Hangzhou, 310016, P. R. China
| | - Qing-Qing Fang
- Department of Plastic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 3 East Qingchun Road, Hangzhou, 310016, P. R. China
| | - Xiao-Jin Wu
- Department of Ultrasound in Medicine, The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, 322000, P. R. China
| | - Jian Chen
- Department of Ultrasound in Medicine, The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, 322000, P. R. China
| | - Wei-Qiang Tan
- Department of Plastic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 3 East Qingchun Road, Hangzhou, 310016, P. R. China
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3
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Bolsoni J, Liu D, Mohabatpour F, Ebner R, Sadhnani G, Tafech B, Leung J, Shanta S, An K, Morin T, Chen Y, Arguello A, Choate K, Jan E, Ross CJ, Brambilla D, Witzigmann D, Kulkarni J, Cullis PR, Hedtrich S. Lipid Nanoparticle-Mediated Hit-and-Run Approaches Yield Efficient and Safe In Situ Gene Editing in Human Skin. ACS NANO 2023; 17:22046-22059. [PMID: 37918441 PMCID: PMC10655174 DOI: 10.1021/acsnano.3c08644] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Accepted: 10/13/2023] [Indexed: 11/04/2023]
Abstract
Despite exciting advances in gene editing, the efficient delivery of genetic tools to extrahepatic tissues remains challenging. This holds particularly true for the skin, which poses a highly restrictive delivery barrier. In this study, we ran a head-to-head comparison between Cas9 mRNA or ribonucleoprotein (RNP)-loaded lipid nanoparticles (LNPs) to deliver gene editing tools into epidermal layers of human skin, aiming for in situ gene editing. We observed distinct LNP composition and cell-specific effects such as an extended presence of RNP in slow-cycling epithelial cells for up to 72 h. While obtaining similar gene editing rates using Cas9 RNP and mRNA with MC3-based LNPs (10-16%), mRNA-loaded LNPs proved to be more cytotoxic. Interestingly, ionizable lipids with a pKa ∼ 7.1 yielded superior gene editing rates (55%-72%) in two-dimensional (2D) epithelial cells while no single guide RNA-dependent off-target effects were detectable. Unexpectedly, these high 2D editing efficacies did not translate to actual skin tissue where overall gene editing rates between 5%-12% were achieved after a single application and irrespective of the LNP composition. Finally, we successfully base-corrected a disease-causing mutation with an efficacy of ∼5% in autosomal recessive congenital ichthyosis patient cells, showcasing the potential of this strategy for the treatment of monogenic skin diseases. Taken together, this study demonstrates the feasibility of an in situ correction of disease-causing mutations in the skin that could provide effective treatment and potentially even a cure for rare, monogenic, and common skin diseases.
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Affiliation(s)
- Juliana Bolsoni
- Faculty
of Pharmaceutical Sciences, University of
British Columbia, 2405 Wesbrook Mall, Vancouver V6T 1Z3, BC, Canada
| | - Danny Liu
- Faculty
of Pharmaceutical Sciences, University of
British Columbia, 2405 Wesbrook Mall, Vancouver V6T 1Z3, BC, Canada
| | - Fatemeh Mohabatpour
- Faculty
of Pharmaceutical Sciences, University of
British Columbia, 2405 Wesbrook Mall, Vancouver V6T 1Z3, BC, Canada
| | - Ronja Ebner
- Faculty
of Pharmaceutical Sciences, University of
British Columbia, 2405 Wesbrook Mall, Vancouver V6T 1Z3, BC, Canada
| | - Gaurav Sadhnani
- Berlin
Institute of Health @ Charité Universitätsmedizin, Berlin 10117, Germany
| | - Belal Tafech
- Faculty
of Pharmaceutical Sciences, University of
British Columbia, 2405 Wesbrook Mall, Vancouver V6T 1Z3, BC, Canada
| | - Jerry Leung
- Department
of Biochemistry and Molecular Biology, University
of British Columbia, 2350 Health Sciences Mall, Vancouver V6T 1Z3, BC, Canada
| | - Selina Shanta
- Faculty
of Pharmaceutical Sciences, University of
British Columbia, 2405 Wesbrook Mall, Vancouver V6T 1Z3, BC, Canada
| | - Kevin An
- NanoVation
Therapeutics, 2405 Wesbrook
Mall, Vancouver V6T 1Z3, BC, Canada
| | - Tessa Morin
- Faculty
of Pharmaceutical Sciences, University of
British Columbia, 2405 Wesbrook Mall, Vancouver V6T 1Z3, BC, Canada
| | - Yihang Chen
- Department
of Biochemistry and Molecular Biology, University
of British Columbia, 2350 Health Sciences Mall, Vancouver V6T 1Z3, BC, Canada
| | - Alfonso Arguello
- University
of Montréal, Faculty of Pharmacy, Montréal H3T 1J4, Quebec, Canada
| | - Keith Choate
- Departments
of Dermatology, Genetics, and Pathology, Yale University School of Medicine, New Haven 06510, Connecticut, United States
| | - Eric Jan
- Department
of Biochemistry and Molecular Biology, University
of British Columbia, 2350 Health Sciences Mall, Vancouver V6T 1Z3, BC, Canada
| | - Colin J.D. Ross
- Faculty
of Pharmaceutical Sciences, University of
British Columbia, 2405 Wesbrook Mall, Vancouver V6T 1Z3, BC, Canada
| | - Davide Brambilla
- University
of Montréal, Faculty of Pharmacy, Montréal H3T 1J4, Quebec, Canada
| | - Dominik Witzigmann
- NanoVation
Therapeutics, 2405 Wesbrook
Mall, Vancouver V6T 1Z3, BC, Canada
| | - Jayesh Kulkarni
- NanoVation
Therapeutics, 2405 Wesbrook
Mall, Vancouver V6T 1Z3, BC, Canada
| | - Pieter R. Cullis
- Department
of Biochemistry and Molecular Biology, University
of British Columbia, 2350 Health Sciences Mall, Vancouver V6T 1Z3, BC, Canada
| | - Sarah Hedtrich
- Faculty
of Pharmaceutical Sciences, University of
British Columbia, 2405 Wesbrook Mall, Vancouver V6T 1Z3, BC, Canada
- Berlin
Institute of Health @ Charité Universitätsmedizin, Berlin 10117, Germany
- Department
of Infectious Diseases and Respiratory Medicine, Charité -
Universitätsmedizin Berlin, corporate
member of Freie Universität Berlin and Humboldt Universität, Berlin 10117, Germany
- Max-Delbrück
Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin 13125, Germany
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4
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Huang J, Zhang L, Shi L, Wu M, Lv T, Zhang Y, Lai Y, Tu Q, Wang X, Wang H. An epidemiological study on skin tumors of the elderly in a community in Shanghai, China. Sci Rep 2023; 13:4441. [PMID: 36932111 PMCID: PMC10023674 DOI: 10.1038/s41598-023-29012-1] [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: 03/11/2021] [Accepted: 01/30/2023] [Indexed: 03/19/2023] Open
Abstract
The morbidity of skin tumors (ST) in China is a great concern as the population ages. No epidemiological survey on ST in elderly communities in China has been reported. A questionnaire survey was conducted among the residents over 60 years old in a community in Shanghai, China from May 1, 2011 to November 30, 2011. The prevalence of cutaneous tumors and associated factors were analyzed. Among 2038 valid cases, a total of 78 (3.8%, 95% CI 3.0-4.7) skin cancers (SC) were confirmed. According to the final multivariate regression analysis, age, gender and previous occupation were the significantly influential factors for SC. Actinic keratosis (AK) accounted for the largest proportion (63, 3.1%) in SC. The head and neck was the physiological site with the highest incidence of SC (64, 82.1%), and AK was the most common (55, 87.3%) in head and neck SC. The common concomitant diseases of SC were hypertension (26, 33.3%) and diabetes mellitus (9, 11.5%). Seborrheic keratosis (SK) was the most common benign skin tumor with a prevalence of 100%. Men and women developed SK in significantly different parts of the body (P < 0.0001). The incidence of ST in the elderly population in Shanghai community increased with age. ST preferred to occur in the head and neck, which might be attributed to excessive ultraviolet (UV) exposure in these areas. Therefore, early diagnosis and sun-protection education are essential interventions for ST in the elderly.
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Affiliation(s)
- Jianhua Huang
- Department of Dermatology, Huadong Hospital, Fudan University, Shanghai, China
| | - Linglin Zhang
- Institute of Photomedicine, Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai, China
| | - Lei Shi
- Department of Dermatology, Huadong Hospital, Fudan University, Shanghai, China
| | - Minfeng Wu
- Department of Dermatology, Huadong Hospital, Fudan University, Shanghai, China
| | - Ting Lv
- Department of Dermatology, Huadong Hospital, Fudan University, Shanghai, China
| | - Yunfeng Zhang
- Institute of Photomedicine, Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai, China
| | - Yongxian Lai
- Institute of Photomedicine, Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai, China
| | - Qingfeng Tu
- Institute of Photomedicine, Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai, China
| | - Xiuli Wang
- Institute of Photomedicine, Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai, China.
| | - Hongwei Wang
- Department of Dermatology, Huadong Hospital, Fudan University, Shanghai, China.
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5
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Microneedle arrays for cutaneous and transcutaneous drug delivery, disease diagnosis, and cosmetic aid. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.104058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
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6
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Delivery and diffusion of retinal in dermis and epidermis through the combination of prodrug nanoparticles and detachable dissolvable microneedles. Drug Deliv Transl Res 2022; 12:2751-2761. [PMID: 35191004 DOI: 10.1007/s13346-022-01136-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/13/2022] [Indexed: 12/15/2022]
Abstract
To minimize chemical degradation of retinal, we graft this aldehyde on chitosan chains to make them self-assemble into pro-retinal nanoparticles (PRNs), which we then load into detachable dissolvable microneedles (DDMNs) made of 1:1 (by weight) hyaluronic acid/maltose. The presence of PRNs in the hyaluronic acid-maltose needle matrix also helps improve the microneedles' mechanical strength. Ex vivo administration of PRN-loaded DDMNs on fresh porcine ear skin shows, as observed by stereomicroscopic and confocal fluorescence microscopic analyses of the cross-sectioned tissue pieces, complete deposition followed by dissolution of the needles and diffusion of the PRNs in epidermis and dermis. Rats administered with a single dose of PRN-loaded DDMNs show significantly increased epidermal thickness as compared to rats administered with control DDMNs (no PRN). Both the PRN-loaded DDMNs and the control DDMNs produce no skin irritation in rats.
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7
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Zhu S, Zhao Z, Qin W, Liu T, Yang Y, Wang Z, Ma H, Wang X, Liu T, Qi D, Guo P, Pi J, Tian B, Zhang H, Li N. The Nanostructured lipid carrier gel of Oroxylin A reduced UV-induced skin oxidative stress damage. Colloids Surf B Biointerfaces 2022; 216:112578. [PMID: 35636325 DOI: 10.1016/j.colsurfb.2022.112578] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 05/09/2022] [Accepted: 05/13/2022] [Indexed: 10/18/2022]
Abstract
Oxidative stress damage caused by sun exposure damages the appearance and function of the skin, which is one of the essential inducements of skin aging and even leads to skin cancer. Oroxylin A (OA) is a flavonoid with excellent antioxidant activity and has protective effects against photoaging induced by UV irradiation. However, the strong barrier function of the skin stratum corneum prevents transdermal absorption of the drug, which limits the application of OA in dermal drug delivery. Studies have shown that nanostructured lipid carriers (NLC) can promote not only transdermal absorption of drugs but also increase drug stability and control drug release efficiency, which has broad prospects for clinical applications. In this paper, NLC loaded with OA (OA-NLC) was prepared in order to improve the skin permeability and stability of OA. In vitro studies revealed that OA-NLC had better therapeutic effects than OA solution (OA-Sol) in the cellular model of UVB radiation. OA-Sol and OA-NLC were immobilized in a hydrogel matrix to facilitate application to the dorsal skin of mice. It was found that OA-NLC-gel showed significant antioxidant and anti-apoptotic activity compared to OA-Sol-gel, which was able to protect against skin damage in mice after UV radiation. These results suggest that OA-NLC can improve the deficiencies of OA in skin delivery and show better resistance to UV-induced oxidative damage. The application of OA-NLC to skin delivery systems has good prospects and deserves further development and investigation.
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Affiliation(s)
- Shan Zhu
- State Key laboratory of Component Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Zhiyue Zhao
- State Key laboratory of Component Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Wenxiao Qin
- State Key laboratory of Component Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Tao Liu
- State Key laboratory of Component Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Yi Yang
- State Key laboratory of Component Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Zijing Wang
- State Key laboratory of Component Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Hongfei Ma
- State Key laboratory of Component Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Xiang Wang
- State Key laboratory of Component Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Tao Liu
- State Key laboratory of Component Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Dongli Qi
- State Key laboratory of Component Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Pan Guo
- State Key laboratory of Component Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - JiaXin Pi
- State Key laboratory of Component Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - BaoCheng Tian
- School of Pharmacy, Binzhou Medical University, 346 Guanhai Road, Yantai 264003, China
| | - Han Zhang
- State Key laboratory of Component Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China.
| | - Nan Li
- State Key laboratory of Component Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China.
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8
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Monteiro E Silva SA, Ricci Leonardi G. Development and cathodic iontophoretic permeation evaluation of liquid crystalline systems provided of retinoic acid microparticles. J Cosmet Dermatol 2020; 20:2317-2327. [PMID: 33145890 DOI: 10.1111/jocd.13826] [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: 05/02/2020] [Revised: 09/28/2020] [Accepted: 10/29/2020] [Indexed: 11/30/2022]
Abstract
BACKGROUND The intracellular form of action of retinoids requires these agents to reach deeper layers of the skin with viable cells to ensure therapeutic efficiency. However, studies on swine skin models show that some retinoids have low skin permeability. Thus, the association of innovative formulations with technological strategies involving physical permeation promoters can be employed to increase the permeability of this active, ensuring a targeting effect of the active. AIMS In this study, it was proposed the development and evaluation of the release and permeation profile of liquid crystalline systems with retinoic acid polymeric microparticles under passive or iontophoretic diffusional conditions. METHODS For this study, release, permeation, and diffusional characterization assays were employed using the Franz diffusion cell model, associating or not the cathodic iontophoresis. RESULTS Retinoic acid was considered stable in front of the electric current of 0.5mA/cm2 , because it did not show significant degradation (with maintenance from 96.03% to 98.57%), indicating the viability of such agents to be applied with iontophoresis. Controlled release profile was evidenced for microencapsulated systems. Comparatively, formulations F1, F3, and F5 presented a significantly higher RA release profile when compared to formulations with retinoic acid microencapsulated. A significant increase was observed in the absolute amount of RA retained in the skin with cathodic iontophoresis in all proposed formulations (P < .01). The increase was up to two times in relation to the passive condition. CONCLUSIONS The combination of iontophoresis technique with application of retinoic acid and microencapsulated retinoic acid allows the penetration of the active ingredient to deeper layers of the skin.
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Affiliation(s)
- Silas Arandas Monteiro E Silva
- Medicine Department, Federal University of São Paulo (UNIFESP), São Paulo, Brazil.,Faculty of Medical Sciences, University of Campinas (UNICAMP), Campinas, Brazil
| | - Gislaine Ricci Leonardi
- Medicine Department, Federal University of São Paulo (UNIFESP), São Paulo, Brazil.,Faculty of Medical Sciences, University of Campinas (UNICAMP), Campinas, Brazil.,Faculty of Pharmaceuticals Sciences, University of Campinas (UNICAMP), Campinas, Brazil
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9
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Li D, Hu D, Xu H, Patra HK, Liu X, Zhou Z, Tang J, Slater N, Shen Y. Progress and perspective of microneedle system for anti-cancer drug delivery. Biomaterials 2020; 264:120410. [PMID: 32979655 DOI: 10.1016/j.biomaterials.2020.120410] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Accepted: 09/18/2020] [Indexed: 02/06/2023]
Abstract
Transdermal drug delivery exhibited encouraging prospects, especially through superficial drug administration routes. However, only a few limited lipophilic drug molecules could cross the skin barrier, those are with low molecular weight and rational Log P value. Microneedles (MNs) can overcome these limitations to deliver numerous drugs into the dermal layer by piercing the outermost skin layer of the body. In the case of superficial cancer treatments, topical drug administration faces severely low transfer efficiency, and systemic treatments are always associated with side effects and premature drug degradation. MN-based systems have achieved excellent technical capabilities and been tested for pre-clinical chemotherapy, photothermal therapy, photodynamic therapy, and immunotherapy. In this review, we will focus on the features, progress, and opportunities of MNs in the anticancer drug delivery system. Then, we will discuss the strategies and advantages in these works and summarize challenges, perspectives, and translational potential for future applications.
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Affiliation(s)
- Dongdong Li
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education and Center for Bionanoengineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Doudou Hu
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education and Center for Bionanoengineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Hongxia Xu
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education and Center for Bionanoengineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Hirak K Patra
- Wolfson College, University of Cambridge, Cambridge, CB3 9BB, United Kingdom; Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, CB3 0AS, United Kingdom
| | - Xiangrui Liu
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education and Center for Bionanoengineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Zhuxian Zhou
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education and Center for Bionanoengineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Jianbin Tang
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education and Center for Bionanoengineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China.
| | - Nigel Slater
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, CB3 0AS, United Kingdom
| | - Youqing Shen
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education and Center for Bionanoengineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
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10
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Song JE, Jun SH, Park SG, Kang NG. A Semi-Dissolving Microneedle Patch Incorporating TEMPO-Oxidized Bacterial Cellulose Nanofibers for Enhanced Transdermal Delivery. Polymers (Basel) 2020; 12:polym12091873. [PMID: 32825232 PMCID: PMC7564169 DOI: 10.3390/polym12091873] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 08/14/2020] [Accepted: 08/17/2020] [Indexed: 12/20/2022] Open
Abstract
Although dissolving microneedles have garnered considerable attention as transdermal delivery tools, insufficient drug loading remains a challenge owing to their small dimension. Herein, we report a one-step process of synthesizing semi-dissolving microneedle (SDMN) patches that enable effective transdermal drug delivery without loading drugs themselves by introducing TEMPO-oxidized bacterial cellulose nanofibers (TOBCNs), which are well dispersed, while retaining their unique properties in the aqueous phase. The SDMN patch fabricated by the micro-molding of a TOBCN/hydrophilic biopolymer mixture had a two-layer structure comprising a water-soluble needle layer and a TOBCN-containing insoluble backing layer. Moreover, the SDMN patch, which had a hole in the backing layer where TOBCNs are distributed uniformly, could offer novel advantages for the delivery of large quantities of active ingredients. In vitro permeation analysis confirmed that TOBCNs with high water absorption capacity could serve as drug reservoirs. Upon SDMN insertion and the application of drug aqueous solution through the drug inlet hole, the TOBCNs rapidly absorbed the solution and supplied it to the needle layer. Simultaneously, the needle layer dissolved in body fluids and the drug solution to form micro-channels, which enabled the delivery of larger quantities of drugs to the skin compared to that enabled by solution application alone.
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11
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Zhu DD, Zhang XP, Zhang BL, Hao YY, Guo XD. Safety Assessment of Microneedle Technology for Transdermal Drug Delivery: A Review. ADVANCED THERAPEUTICS 2020. [DOI: 10.1002/adtp.202000033] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Dan Dan Zhu
- Beijing Laboratory of Biomedical Materials, College of Materials Science and EngineeringBeijing University of Chemical Technology Beijing 100029 P. R. China
| | - Xiao Peng Zhang
- Beijing Laboratory of Biomedical Materials, College of Materials Science and EngineeringBeijing University of Chemical Technology Beijing 100029 P. R. China
| | - Bao Li Zhang
- Beijing Laboratory of Biomedical Materials, College of Materials Science and EngineeringBeijing University of Chemical Technology Beijing 100029 P. R. China
| | - Yu Ying Hao
- Beijing Laboratory of Biomedical Materials, College of Materials Science and EngineeringBeijing University of Chemical Technology Beijing 100029 P. R. China
| | - Xin Dong Guo
- Beijing Laboratory of Biomedical Materials, College of Materials Science and EngineeringBeijing University of Chemical Technology Beijing 100029 P. R. China
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12
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He M, Yang G, Zhao X, Zhang S, Gao Y. Intradermal Implantable PLGA Microneedles for Etonogestrel Sustained Release. J Pharm Sci 2020; 109:1958-1966. [DOI: 10.1016/j.xphs.2020.02.009] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 01/21/2020] [Accepted: 02/05/2020] [Indexed: 12/29/2022]
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13
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Microneedle-Facilitated Intradermal Proretinal Nanoparticle Delivery. NANOMATERIALS 2020; 10:nano10020368. [PMID: 32093242 PMCID: PMC7075281 DOI: 10.3390/nano10020368] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 02/10/2020] [Accepted: 02/14/2020] [Indexed: 12/12/2022]
Abstract
Topical retinoid treatments stimulate biological activities in the skin. The main physical barrier, which limits the efficacy of transdermal drug delivery, is the stratum corneum. Proretinal nanoparticles (PRN) have already been proven to efficiently deliver retinal into the epidermis. In the present study, two transdermal drug delivery systems, microneedles (MN) and PRN, were combined to directly target the dermis. The microchannels induced by the MN, the PRN localization in the microchannels and the skin closure kinetics were investigated by non-invasive imaging techniques, such as dermoscopy, optical coherence tomography and multiphoton tomography. Additionally, the amount of retinal in the epidermis and dermis after application in three different forms (PRN-Loaded microneedles, PRN suspension or conventional retinal solution) was compared. All imaging techniques confirmed the formation of microchannels in the skin, which were partly still detectable after 24 h. Multiphoton tomography showed the release of PRN from the MN within the microchannels. The recovered retinal concentration in the dermis was significantly higher when applied via PRN-loaded microneedles. We hypothesized that this platform of PRN-loaded microneedles can provide a rapid and efficient administration of retinal in the dermis and could be of benefit in some skin conditions such as atrophic scar or photo-aged skin.
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14
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Okada N. [Development of an Immune Regulation Technology Targeting the Skin and Promotion of the Practical Applications of Transcutaneous Vaccination/Immunotherapy]. YAKUGAKU ZASSHI 2020; 139:1129-1137. [PMID: 31474627 DOI: 10.1248/yakushi.19-00090] [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: 11/22/2022]
Abstract
In the premise of vaccination and allergen-specific immunotherapy, transcutaneous formulations have an advantage over conventional subcutaneous injections in terms of convenience, simplicity of delivery, and painless administration into the skin. Additionally, since transcutaneous formulations can be rendered cold-chain free, they do not require expert handling during transportation, storage, and stockpiling, which enables reductions in costs and distribution to distant areas. Furthermore, transcutaneous formulations are effective for improving adherence in children with phobias toward injection needles and may help in persuading them to perform self-vaccination and home immunotherapy against allergies in the future. We have been promoting the development of innovative "patch-type formulations for vaccination and immunotherapy" which regard skin as an immune organ and utilize our original transcutaneous administration devices (hydrophilic gel patch and microneedle patch) for their delivery. We have confirmed the safety and efficacy of transcutaneous formulations not only in demonstration experiments using animals but also in physician-initiated clinical studies. Additionally, in order to elucidate the mechanism for the induction of immune responses by transcutaneous formulations, we analyzed the immunological events occurring in the skin and regional lymph nodes which accompanied the application of transcutaneous administration devices or the delivery of antigens (vaccines and allergens) to the skin surface layer. This review presents our results from basic to clinical research on the development of transcutaneous formulations for vaccines and allergen-specific immunotherapy.
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Affiliation(s)
- Naoki Okada
- Graduate School of Pharmaceutical Sciences, Osaka University
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15
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Chen BZ, Liu JL, Li QY, Wang ZN, Zhang XP, Shen CB, Cui Y, Guo XD. Safety Evaluation of Solid Polymer Microneedles in Human Volunteers at Different Application Sites. ACS APPLIED BIO MATERIALS 2019; 2:5616-5625. [DOI: 10.1021/acsabm.9b00700] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Bo Zhi Chen
- Beijing Laboratory of Biomedical Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, People’s Republic of China
| | - Jing Ling Liu
- Beijing Laboratory of Biomedical Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, People’s Republic of China
| | - Qiu Yu Li
- Beijing Laboratory of Biomedical Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, People’s Republic of China
| | - Ze Nan Wang
- Beijing Laboratory of Biomedical Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, People’s Republic of China
| | - Xiao Peng Zhang
- Beijing Laboratory of Biomedical Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, People’s Republic of China
| | - Chang Bing Shen
- Department of Dermatology, China-Japan Friendship Hospital, East Street Cherry Park, Chaoyang District, Beijing 100029, People’s Republic of China
| | - Yong Cui
- Department of Dermatology, China-Japan Friendship Hospital, East Street Cherry Park, Chaoyang District, Beijing 100029, People’s Republic of China
| | - Xin Dong Guo
- Beijing Laboratory of Biomedical Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, People’s Republic of China
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16
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Cheng X, Qian W, Chen F, Jin Y, Wang F, Lu X, Lee SR, Su D, Chen B. ATRA protects skin fibroblasts against UV‑induced oxidative damage through inhibition of E3 ligase Hrd1. Mol Med Rep 2019; 20:2294-2302. [PMID: 31322186 PMCID: PMC6691267 DOI: 10.3892/mmr.2019.10450] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Accepted: 05/29/2019] [Indexed: 12/15/2022] Open
Abstract
All-trans retinoic acid (ATRA) can protect fibroblasts against ultraviolet (UV)-induced oxidative damage, however, its underlying molecular mechanism is still unclear. The present study aimed to investigate the role of 3-hydroxy-3-methylglutaryl reductase degradation (Hrd1) in the protective effect of ATRA on human skin fibroblasts exposed to UV. The expression of Hrd1 in human or mice skin was assessed by immunohistochemistry (IHC) staining and western blot analysis. Hrd1 siRNA (si-Hrd1) and Hrd1 recombinant adenoviruses (Ad-Hrd1) were used to downregulate and upregulate Hrd1 expression in fibroblasts, respectively. The interaction between Hrd1 and NF-E2-related factor 2 (Nrf2) was assessed by co-immunoprecipitation (co-IP) and immunofluorescence analysis. The results revealed that Hrd1 expression was increased but Nrf2 expression was decreased in UV-exposed human skin fibroblasts. In addition, ATRA could reverse the increase of Hrd1 expression induced by UV radiation in vivo and in vitro. ATRA or knockdown of Hrd1 could increase Nrf2 expression in fibroblasts exposed to UV radiation, and Hrd1 could directly interact with Nrf2 in skin fibroblasts. Notably, overexpression of Hrd1 abolished the protective effect of ATRA on the UV-induced decrease of Nrf2 expression, the production of reactive oxygen species (ROS) and the decrease of cell viability. In conclusion, the present data demonstrated that ATRA protected skin fibroblasts against UV-induced oxidative damage through inhibition of E3 ligase Hrd1.
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Affiliation(s)
- Xianye Cheng
- Department of Dermatology and Venereology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Wen Qian
- Department of Dermatology and Venereology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Fang Chen
- Department of Biochemistry and Molecular Biology, Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Yi Jin
- Department of Dermatology and Venereology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Fengdi Wang
- Department of Dermatology and Venereology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Xiaoyi Lu
- Department of Dermatology and Venereology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Sae Rom Lee
- Department of Dermatology and Venereology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Dongming Su
- Center of Metabolic Disease Research, Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Bin Chen
- Department of Dermatology and Venereology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
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17
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Safety and efficacy of hydrogen peroxide topical solution, 40% (w/w), in patients with seborrheic keratoses: Results from 2 identical, randomized, double-blind, placebo-controlled, phase 3 studies (A-101-SEBK-301/302). J Am Acad Dermatol 2018; 79:869-877. [DOI: 10.1016/j.jaad.2018.05.044] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Revised: 05/21/2018] [Accepted: 05/28/2018] [Indexed: 11/21/2022]
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18
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Yang H, Kim S, Jang M, Kim H, Lee S, Kim Y, Eom YA, Kang G, Chiang L, Baek JH, Ryu JH, Lee YE, Koh J, Jung H. Two-phase delivery using a horse oil and adenosine-loaded dissolving microneedle patch for skin barrier restoration, moisturization, and wrinkle improvement. J Cosmet Dermatol 2018; 18:936-943. [PMID: 30160014 DOI: 10.1111/jocd.12768] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Accepted: 07/16/2018] [Indexed: 12/13/2022]
Abstract
BACKGROUND Dissolving microneedles (DMNs) have been used for skin restoration and wrinkle improvement. Although lipophilic compounds, for example, natural oils or ceramides, enrich the skin barrier, their delivery via DMNs is challenging because of DMN fabrication difficulties. OBJECTIVES In the present study, we combined a topical formulation and a DMN patch to perform two-phase delivery comprising a lipophilic formulation and hydrophilic compound-loaded DMNs to improve skin barrier status and the efficacy of drug delivery. METHODS Horse oil-spread and adenosine-loaded DMN arrays were developed in a single patch (HOS-Ad-DMN patch). In vitro analysis was conducted to confirm the successful delivery of the compositions. Clinical assessments were conducted on the lateral canthus of 20 women to compare the efficacy of HOS-Ad-DMN patches with that of adenosine-loaded DMN patches (Ad-DMN patches). RESULTS Adenosine was delivered via the DMNs after skin penetration and horse oil was delivered successfully into the skin through the microchannels created by the Ad-DMNs. Compared with Ad-DMN patches, HOS-Ad-DMN patches significantly improved skin elasticity, hydration, dermal density, and wrinkles. No adverse events were observed. CONCLUSION HOS-Ad-DMN patches are a safe and efficient system for skin restoration and wrinkle improvement.
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Affiliation(s)
| | - Suyong Kim
- Department of Biotechnology, Yonsei University, Seoul, Korea
| | - Mingyu Jang
- Juvic Inc, Seoul, Korea.,Department of Biotechnology, Yonsei University, Seoul, Korea
| | - Hyeonjun Kim
- Juvic Inc, Seoul, Korea.,Department of Biotechnology, Yonsei University, Seoul, Korea
| | - Seunghee Lee
- Department of Biotechnology, Yonsei University, Seoul, Korea
| | - Youseong Kim
- Department of Biotechnology, Yonsei University, Seoul, Korea
| | | | - Geonwoo Kang
- Department of Biotechnology, Yonsei University, Seoul, Korea
| | - Liching Chiang
- Department of Biotechnology, Yonsei University, Seoul, Korea
| | - Ji Hwoon Baek
- Dermapro Skin Research Center, Dermapro Ltd, Seoul, Korea
| | - Ja Hyun Ryu
- Dermapro Skin Research Center, Dermapro Ltd, Seoul, Korea
| | - Ye Eun Lee
- Dermapro Skin Research Center, Dermapro Ltd, Seoul, Korea
| | - Jaesuk Koh
- Dermapro Skin Research Center, Dermapro Ltd, Seoul, Korea
| | - Hyungil Jung
- Juvic Inc, Seoul, Korea.,Department of Biotechnology, Yonsei University, Seoul, Korea
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19
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Nguyen TT, Park JH. Human studies with microneedles for evaluation of their efficacy and safety. Expert Opin Drug Deliv 2017; 15:235-245. [PMID: 29169288 DOI: 10.1080/17425247.2018.1410138] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
INTRODUCTION During the past two decades, many studies have documented the development of microneedles (MNs) as a feasible technique for the effective administration of drugs. More and more human studies have been done with MNs to bridge the gap between research and market applications that provide efficacious techniques for clinical implementation. AREAS COVERED The aim of this review is provide a brief description of the status of human study with MNs and to demonstrate progress for the right use of microneedle arrays in clinical settings. It also describes the considerations for clinical application with each type of MNs. EXPERT OPINION Microneedle systems were introduced to overcome the limitations of conventional methods of drug administration. Lots of microneedle systems have undergone clinical evaluation to determine their efficacy and safety, and many studies have demonstrated positive results. The successful clinical use of the microneedle in vaccine therapy is remarkable and supports the importance of conducting further tests in a wide range of medical applications. Self-administered MNs appeared to be an attractive alternative method that needs further research to become a reality in the near future.
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Affiliation(s)
- Thuy Trang Nguyen
- a Department of BioNano Technology , Gachon University , Gyeonggi-Do , South of Korea
| | - Jung Hwan Park
- a Department of BioNano Technology , Gachon University , Gyeonggi-Do , South of Korea
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20
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Clinical study of a retinoic acid-loaded microneedle patch for seborrheic keratosis or senile lentigo. Life Sci 2017; 168:24-27. [DOI: 10.1016/j.lfs.2015.12.051] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2015] [Revised: 12/05/2015] [Accepted: 12/30/2015] [Indexed: 11/23/2022]
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21
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Systemic delivery of artemether by dissolving microneedles. Int J Pharm 2016; 508:1-9. [DOI: 10.1016/j.ijpharm.2016.05.006] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2015] [Revised: 04/19/2016] [Accepted: 05/02/2016] [Indexed: 11/23/2022]
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22
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Zhang S, Qiu Y, Gao Y. Enhanced delivery of hydrophilic peptides in vitro by transdermal microneedle pretreatment. Acta Pharm Sin B 2014; 4:100-4. [PMID: 26579370 PMCID: PMC4590292 DOI: 10.1016/j.apsb.2013.12.011] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2013] [Revised: 10/15/2013] [Accepted: 12/12/2013] [Indexed: 11/28/2022] Open
Abstract
The aims of this study were to investigate the utility of solid microneedle arrays (150 µm in length) in enhancing transdermal delivery of peptides and to examine the relationship between peptide permeation rates and D2O flux. Four model peptides were used (Gly-Gln-Pro-Arg [tetrapeptide-3, 456.6 Da], Val-Gly-Val-Ala-Pro-Gly [hexapeptide, 498.6 Da], AC-Glu-Glu-Met-Gln-Arg-Arg-NH2 [acetyl hexapeptide-3, 889 Da] and Cys-Tyr-Ile-Gln-Asn-Cys-Pro-Leu-Gly-NH2 [oxytocin, 1007.2 Da]). The influence of microneedle pretreatment on skin permeation was evaluated using porcine ear skin with Franze diffusion cell. Peptide permeation across the skin was significantly enhanced by microneedle pretreatment, and permeation rates were dependent on peptide molecular weights. A positive correlation between D2O flux and acetyl hexapeptide-3 clearances suggests that convective solvent flow contributes to the enhanced transdermal peptide delivery. It is concluded that solid microneedle arrays are effective devices to enhance skin delivery of peptides.
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Affiliation(s)
| | | | - Yunhua Gao
- Lab of Organic Optoelectronic Functional Materials and Molecular Engineering, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
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23
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Olatunji O, Igwe CC, Ahmed AS, Alhassan DOA, Asieba GGO, Diganta BD. Microneedles from fish scale biopolymer. J Appl Polym Sci 2014. [DOI: 10.1002/app.40377] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
| | - Chima C. Igwe
- Federal Institute of Industrial Research; Oshodi Lagos Nigeria
| | - Aroke S. Ahmed
- Federal Institute of Industrial Research; Oshodi Lagos Nigeria
| | | | | | - Bhusan Das Diganta
- Department of Chemical Engineering; Loughborough University,Loughborough; Leicestershire LE11 3TU United Kingdom
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