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Kidzeru EB, Sinkala M, Chalwa T, Matobole R, Alkelani M, Ghasemishahrestani Z, Mbandi SK, Blackburn J, Tabb DL, Adeola HA, Khumalo NP, Bayat A. Subcellular Fractionation and Metaproteogenomic Identification and Validation of Key Differentially Expressed Molecular Targets for Keloid Disease. J Invest Dermatol 2024:S0022-202X(24)01972-9. [PMID: 39122141 DOI: 10.1016/j.jid.2024.07.010] [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: 03/03/2024] [Revised: 06/29/2024] [Accepted: 07/03/2024] [Indexed: 08/12/2024]
Abstract
Keloid disease (KD) is a common connective tissue disorder of unknown aetiopathogenesis with ill-defined treatment. Keloid scars present as exophytic fibroproliferative reticular lesions postcutaneous injury, and even though KD remains neoplastically benign, keloid lesions behave locally aggressive, invasive and expansive. To date, there is limited understanding and validation of biomarkers identified through combined proteomic and genomic evaluation of KD. Therefore, the aim in this study was to identify putative causative candidates in KD by performing a comprehensive proteomics analysis of subcellular fractions as well as the whole cell, coupled with transcriptomics data analysis of normal compared with KD fibroblasts. We then applied novel integrative bioinformatics analysis to demonstrate that NF-kB-p65 (RELA) from the cytosolic fraction and CAPN2 from the whole-cell lysate were statistically significantly upregulated in KD and associated with alterations in relevant key signaling pathways, including apoptosis. Our findings were further confirmed by showing upregulation of both RELA and CAPN2 in KD using flow cytometry and immunohistochemistry. Moreover, functional evaluation using real-time cell analysis and flow cytometry demonstrated that both omeprazole and dexamethasone inhibited the growth of KD fibroblasts by enhancing the rate of apoptosis. In conclusion, subcellular fractionation and metaproteogenomic analyses have identified, to our knowledge, 2 previously unreported biomarkers of significant relevance to keloid diagnostics and therapeutics.
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Affiliation(s)
- Elvis B Kidzeru
- MRC-SA Wound Healing and Keloid Research Unit, Division of Dermatology, Department of Medicine, Groote Schuur Hospital, University of Cape Town, Cape Town, South Africa; Microbiology, Infectious Diseases, and Immunology Laboratory (LAMMII), Centre for Research on Health and Priority Pathologies (CRSPP), Institute of Medical Research and Medicinal Plant Studies (IMPM), Ministry of Scientific Research and Innovation, Yaoundé, Cameroon; Division of Radiation Oncology, Department of Radiation Medicine, Groote Schuur Hospital, Faculty of Health Science, University of Cape Town, Cape Town, South Africa
| | - Musalula Sinkala
- Department of Integrative Biomedical Sciences, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa; Institute of Infectious Disease and Molecular Medicine, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
| | - Temwani Chalwa
- MRC-SA Wound Healing and Keloid Research Unit, Division of Dermatology, Department of Medicine, Groote Schuur Hospital, University of Cape Town, Cape Town, South Africa
| | - Relebohile Matobole
- MRC-SA Wound Healing and Keloid Research Unit, Division of Dermatology, Department of Medicine, Groote Schuur Hospital, University of Cape Town, Cape Town, South Africa
| | - Madeha Alkelani
- MRC-SA Wound Healing and Keloid Research Unit, Division of Dermatology, Department of Medicine, Groote Schuur Hospital, University of Cape Town, Cape Town, South Africa
| | - Zeinab Ghasemishahrestani
- MRC-SA Wound Healing and Keloid Research Unit, Division of Dermatology, Department of Medicine, Groote Schuur Hospital, University of Cape Town, Cape Town, South Africa
| | - Stanley K Mbandi
- South African Tuberculosis Vaccine Initiative, Institute of Infectious Disease and Molecular Medicine, Cape Town, South Africa; Division of Immunology, Department of Pathology, Faculty of Health Science, University of Cape Town, Cape Town, South Africa
| | - Jonathan Blackburn
- Department of Integrative Biomedical Sciences, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa; Institute of Infectious Disease and Molecular Medicine, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
| | - David L Tabb
- Division of Molecular Biology and Human Genetics, Department of Biomedical Sciences, Stellenbosch University, Cape Town, South Africa; Bioinformatics Unit, South African Tuberculosis Bioinformatics Initiative, Stellenbosch University, Cape Town, South Africa; South African Medical Research Council Centre for Tuberculosis Research, Stellenbosch University, Cape Town, South Africa
| | - Henry Ademola Adeola
- MRC-SA Wound Healing and Keloid Research Unit, Division of Dermatology, Department of Medicine, Groote Schuur Hospital, University of Cape Town, Cape Town, South Africa
| | - Nonhlanhla P Khumalo
- MRC-SA Wound Healing and Keloid Research Unit, Division of Dermatology, Department of Medicine, Groote Schuur Hospital, University of Cape Town, Cape Town, South Africa
| | - Ardeshir Bayat
- MRC-SA Wound Healing and Keloid Research Unit, Division of Dermatology, Department of Medicine, Groote Schuur Hospital, University of Cape Town, Cape Town, South Africa.
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2
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Murakami T, Shigeki S. Pharmacotherapy for Keloids and Hypertrophic Scars. Int J Mol Sci 2024; 25:4674. [PMID: 38731893 PMCID: PMC11083137 DOI: 10.3390/ijms25094674] [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: 03/14/2024] [Revised: 04/19/2024] [Accepted: 04/23/2024] [Indexed: 05/13/2024] Open
Abstract
Keloids (KD) and hypertrophic scars (HTS), which are quite raised and pigmented and have increased vascularization and cellularity, are formed due to the impaired healing process of cutaneous injuries in some individuals having family history and genetic factors. These scars decrease the quality of life (QOL) of patients greatly, due to the pain, itching, contracture, cosmetic problems, and so on, depending on the location of the scars. Treatment/prevention that will satisfy patients' QOL is still under development. In this article, we review pharmacotherapy for treating KD and HTS, including the prevention of postsurgical recurrence (especially KD). Pharmacotherapy involves monotherapy using a single drug and combination pharmacotherapy using multiple drugs, where drugs are administered orally, topically and/or through intralesional injection. In addition, pharmacotherapy for KD/HTS is sometimes combined with surgical excision and/or with physical therapy such as cryotherapy, laser therapy, radiotherapy including brachytherapy, and silicone gel/sheeting. The results regarding the clinical effectiveness of each mono-pharmacotherapy for KD/HTS are not always consistent but rather scattered among researchers. Multimodal combination pharmacotherapy that targets multiple sites simultaneously is more effective than mono-pharmacotherapy. The literature was searched using PubMed, Google Scholar, and Online search engines.
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Affiliation(s)
- Teruo Murakami
- Laboratory of Biopharmaceutics and Pharmacokinetics, Faculty of Pharmaceutical Sciences, Hiroshima International University, Higashi-Hiroshima 731-2631, Japan;
| | - Sadayuki Shigeki
- Department of Rehabilitation, Faculty of Rehabilitation, Hiroshima International University, Higashi-Hiroshima 731-2631, Japan
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3
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Boo YC. Insights into How Plant-Derived Extracts and Compounds Can Help in the Prevention and Treatment of Keloid Disease: Established and Emerging Therapeutic Targets. Int J Mol Sci 2024; 25:1235. [PMID: 38279232 PMCID: PMC10816582 DOI: 10.3390/ijms25021235] [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: 12/28/2023] [Revised: 01/16/2024] [Accepted: 01/18/2024] [Indexed: 01/28/2024] Open
Abstract
Keloid is a disease in which fibroblasts abnormally proliferate and synthesize excessive amounts of extracellular matrix, including collagen and fibronectin, during the healing process of skin wounds, causing larger scars that exceed the boundaries of the original wound. Currently, surgical excision, cryotherapy, radiation, laser treatment, photodynamic therapy, pressure therapy, silicone gel sheeting, and pharmacotherapy are used alone or in combinations to treat this disease, but the outcomes are usually unsatisfactory. The purpose of this review is to examine whether natural products can help treat keloid disease. I introduce well-established therapeutic targets for this disease and various other emerging therapeutic targets that have been proposed based on the phenotypic difference between keloid-derived fibroblasts (KFs) and normal epidermal fibroblasts (NFs). We then present recent studies on the biological effects of various plant-derived extracts and compounds on KFs and NFs. Associated ex vivo, in vivo, and clinical studies are also presented. Finally, we discuss the mechanisms of action of the plant-derived extracts and compounds, the pros and cons, and the future tasks for natural product-based therapy for keloid disease, as compared with existing other therapies. Extracts of Astragalus membranaceus, Salvia miltiorrhiza, Aneilema keisak, Galla Chinensis, Lycium chinense, Physalis angulate, Allium sepa, and Camellia sinensis appear to modulate cell proliferation, migration, and/or extracellular matrix (ECM) production in KFs, supporting their therapeutic potential. Various phenolic compounds, terpenoids, alkaloids, and other plant-derived compounds could modulate different cell signaling pathways associated with the pathogenesis of keloids. For now, many studies are limited to in vitro experiments; additional research and development are needed to proceed to clinical trials. Many emerging therapeutic targets could accelerate the discovery of plant-derived substances for the prevention and treatment of keloid disease. I hope that this review will bridge past, present, and future research on this subject and provide insight into new therapeutic targets and pharmaceuticals, aiming for effective keloid treatment.
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Affiliation(s)
- Yong Chool Boo
- Department of Molecular Medicine, School of Medicine, Kyungpook National University, 680 Gukchaebosang-ro, Jung-gu, Daegu 41944, Republic of Korea;
- BK21 Plus KNU Biomedical Convergence Program, Department of Biomedical Science, The Graduate School, Kyungpook National University, 680 Gukchaebosang-ro, Jung-gu, Daegu 41944, Republic of Korea
- Cell and Matrix Research Institute, Kyungpook National University, 680 Gukchaebosang-ro, Jung-gu, Daegu 41944, Republic of Korea
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4
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Qi W, Xiao X, Tong J, Guo N. Progress in the clinical treatment of keloids. Front Med (Lausanne) 2023; 10:1284109. [PMID: 38046417 PMCID: PMC10690427 DOI: 10.3389/fmed.2023.1284109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Accepted: 11/03/2023] [Indexed: 12/05/2023] Open
Abstract
Keloid is a pathological scar that is higher than the skin surface following skin damage. Its lesion range often extends beyond the original damage boundary and does not naturally subside over time. Its pathogenesis is very complex, currently the main causes include fibroblast excessive proliferation, collagen and extracellular matrix (Extracellular matrix, ECM) excessive deposition, excessive angiogenesis, and so on. The traditional treatment method primarily involves surgical intervention, but it is associated with a high recurrence rate post-surgery. Consequently, many treatment methods are derived according to the different clinical characteristics of keloid. This paper will review the therapeutic progress in recent years from surgical treatment, physiotherapy, drug therapy, and biological therapy, with the goal of offering valuable insights for the clinical treatment of keloids.
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Affiliation(s)
| | | | - Jing Tong
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Nengqiang Guo
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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5
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Kidzeru EB, Lebeko M, Sharma JR, Nkengazong L, Adeola HA, Ndlovu H, P Khumalo N, Bayat A. Immune cells and associated molecular markers in dermal fibrosis with focus on raised cutaneous scars. Exp Dermatol 2023; 32:570-587. [PMID: 36562321 PMCID: PMC10947010 DOI: 10.1111/exd.14734] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 08/04/2022] [Accepted: 12/20/2022] [Indexed: 12/24/2022]
Abstract
Raised dermal scars including hypertrophic, and keloid scars as well as scalp-associated fibrosing Folliculitis Keloidalis Nuchae (FKN) are a group of fibrotic raised dermal lesions that mostly occur following cutaneous injury. They are characterized by increased extracellular matrix (ECM) deposition, primarily excessive collagen type 1 production by hyperproliferative fibroblasts. The extent of ECM deposition is thought to be proportional to the severity of local skin inflammation leading to excessive fibrosis of the dermis. Due to a lack of suitable study models, therapy for raised dermal scars remains ill-defined. Immune cells and their associated markers have been strongly associated with dermal fibrosis. Therefore, modulation of the immune system and use of anti-inflammatory cytokines are of potential interest in the management of dermal fibrosis. In this review, we will discuss the importance of immune factors in the pathogenesis of raised dermal scarring. The aim here is to provide an up-to-date comprehensive review of the literature, from PubMed, Scopus, and other relevant search engines in order to describe the known immunological factors associated with raised dermal scarring. The importance of immune cells including mast cells, macrophages, lymphocytes, and relevant molecules such as cytokines, chemokines, and growth factors, antibodies, transcription factors, and other immune-associated molecules as well as tissue lymphoid aggregates identified within raised dermal scars will be presented. A growing body of evidence points to a shift from proinflammatory Th1 response to regulatory/anti-inflammatory Th2 response being associated with the development of fibrogenesis in raised dermal scarring. In summary, a better understanding of immune cells and associated molecular markers in dermal fibrosis will likely enable future development of potential immune-modulated therapeutic, diagnostic, and theranostic targets in raised dermal scarring.
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Affiliation(s)
- Elvis Banboye Kidzeru
- Wound Healing And Keloid Scar Unit, Medical Research Council (South Africa), Hair and Skin Research Laboratory, Division of Dermatology, Department of MedicineUniversity of Cape TownCape TownSouth Africa
- Microbiology, Infectious Diseases, and Immunology Laboratory (LAMMII)Centre for Research on Health and Priority Pathologies (CRSPP)Institute of Medical Research and Medicinal Plant Studies (IMPM), Ministry of Scientific Research and InnovationYaoundéCameroon
| | - Maribanyana Lebeko
- Wound Healing And Keloid Scar Unit, Medical Research Council (South Africa), Hair and Skin Research Laboratory, Division of Dermatology, Department of MedicineUniversity of Cape TownCape TownSouth Africa
- Present address:
Cape Biologix Technologies (PTY, LTD)Cape TownSouth Africa
| | - Jyoti Rajan Sharma
- Wound Healing And Keloid Scar Unit, Medical Research Council (South Africa), Hair and Skin Research Laboratory, Division of Dermatology, Department of MedicineUniversity of Cape TownCape TownSouth Africa
- Biomedical Research and Innovation Platform, South African Medical Research Council, Francie van Zijl Drive, Parow ValleyCape TownSouth Africa
- Present address:
Biomedical Research and Innovation Platform, South African Medical Research Council, Francie van Zijl Drive, Parow ValleyCape TownSouth Africa
| | - Lucia Nkengazong
- Microbiology, Infectious Diseases, and Immunology Laboratory (LAMMII)Centre for Research on Health and Priority Pathologies (CRSPP)Institute of Medical Research and Medicinal Plant Studies (IMPM), Ministry of Scientific Research and InnovationYaoundéCameroon
| | - Henry Ademola Adeola
- Wound Healing And Keloid Scar Unit, Medical Research Council (South Africa), Hair and Skin Research Laboratory, Division of Dermatology, Department of MedicineUniversity of Cape TownCape TownSouth Africa
| | - Hlumani Ndlovu
- Department of Integrative Biomedical SciencesUniversity of Cape TownCape TownSouth Africa
| | - Nonhlanhla P Khumalo
- Wound Healing And Keloid Scar Unit, Medical Research Council (South Africa), Hair and Skin Research Laboratory, Division of Dermatology, Department of MedicineUniversity of Cape TownCape TownSouth Africa
| | - Ardeshir Bayat
- Wound Healing And Keloid Scar Unit, Medical Research Council (South Africa), Hair and Skin Research Laboratory, Division of Dermatology, Department of MedicineUniversity of Cape TownCape TownSouth Africa
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6
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Wang Y, Yu DG, Liu Y, Liu YN. Progress of Electrospun Nanofibrous Carriers for Modifications to Drug Release Profiles. J Funct Biomater 2022; 13:jfb13040289. [PMID: 36547549 PMCID: PMC9787859 DOI: 10.3390/jfb13040289] [Citation(s) in RCA: 57] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 11/15/2022] [Accepted: 12/07/2022] [Indexed: 12/13/2022] Open
Abstract
Electrospinning is an advanced technology for the preparation of drug-carrying nanofibers that has demonstrated great advantages in the biomedical field. Electrospun nanofiber membranes are widely used in the field of drug administration due to their advantages such as their large specific surface area and similarity to the extracellular matrix. Different electrospinning technologies can be used to prepare nanofibers of different structures, such as those with a monolithic structure, a core-shell structure, a Janus structure, or a porous structure. It is also possible to prepare nanofibers with different controlled-release functions, such as sustained release, delayed release, biphasic release, and targeted release. This paper elaborates on the preparation of drug-loaded nanofibers using various electrospinning technologies and concludes the mechanisms behind the controlled release of drugs.
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Affiliation(s)
- Ying Wang
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Deng-Guang Yu
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai 200093, China
- Shanghai Engineering Technology Research Center for High-Performance Medical Device Materials, Shanghai 200093, China
- Correspondence: (D.-G.Y.); (Y.-N.L.)
| | - Yang Liu
- School of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, 333 Long Teng Road, Shanghai 201620, China
| | - Ya-Nan Liu
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai 200093, China
- Correspondence: (D.-G.Y.); (Y.-N.L.)
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7
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Zheng D, Huang C, Hu Y, Zheng T, An J. Constructions of synergistic photothermal therapy antibacterial hydrogel based on polydopamine, tea polyphenols and polyvinyl alcohol and effects on wound healing in mouse. Colloids Surf B Biointerfaces 2022; 219:112831. [PMID: 36113224 DOI: 10.1016/j.colsurfb.2022.112831] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 08/25/2022] [Accepted: 09/05/2022] [Indexed: 11/19/2022]
Abstract
Hydrogels with significant antibacterial efficacy have enormous potential in wound healing. This work reported a series of effective antibacterial and antioxidant hydrogels based on tea polyphenols (TP), polydopamine (PDA), and polyvinyl alcohol (PVA). PDA-TP molecular chains are formed from oxidized TP and PDA. These molecular chains, which were cross-linked with PVA by cyclic freeze-thaw (FT), formed the PVA/PDA-TP hydrogel (PPTP). The number of freezing-thawing cycles and the amount of TP would affect the mechanical properties and swelling properties of hydrogel. The PPTP hydrogel exhibited high photo thermal conversion efficiency, high antibacterial efficacy, antioxidant properties, good cellular compatibility and short wound closure time. The PPTP hydrogel leaded to wound closure in approximately 10 d in a full-thickness skin defect mouse model. The preparation method of hydrogel with non-chemical cross-linked and ability of rapid high temperature generation provided a new way to apply TP to wound healing and proved that synergistic chemical and photothermal therapy can effectively inhibit resistant bacteria and accelerate wound healing.
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Affiliation(s)
- Dantong Zheng
- College of Light Industry and Food Engineering, Guangxi university, Nanning 530000, Guangxi, China
| | - Chongxing Huang
- College of Light Industry and Food Engineering, Guangxi university, Nanning 530000, Guangxi, China.
| | - Yong Hu
- School of Materials Science and Engineering, Tongji University, Shanghai 201804, China
| | - Tianchang Zheng
- College of Light Industry and Food Engineering, Guangxi university, Nanning 530000, Guangxi, China
| | - Jiejie An
- College of Light Industry and Food Engineering, Guangxi university, Nanning 530000, Guangxi, China
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8
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Liu J, Tan Z, Jia Y, Shi X, Hou R, Liu J, Luo D, Fu X, Yang T, Wang X. Co‐delivery of tauroursodeoxycholic acid and dexamethasone using electrospun ultrafine fibers to induce early coupled angiogenesis and osteogenic differentiation. J Appl Polym Sci 2022. [DOI: 10.1002/app.53173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Junyu Liu
- School and Hospital of Stomatology Shanxi Medical University Taiyuan China
- Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials Shanxi Medical University Taiyuan China
| | - Ziwei Tan
- School and Hospital of Stomatology Shanxi Medical University Taiyuan China
- Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials Shanxi Medical University Taiyuan China
| | - Yongliang Jia
- School and Hospital of Stomatology Shanxi Medical University Taiyuan China
- Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials Shanxi Medical University Taiyuan China
| | - Xiaotong Shi
- School and Hospital of Stomatology Shanxi Medical University Taiyuan China
- Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials Shanxi Medical University Taiyuan China
| | - Ruxia Hou
- School and Hospital of Stomatology Shanxi Medical University Taiyuan China
- Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials Shanxi Medical University Taiyuan China
| | - Jiajia Liu
- School and Hospital of Stomatology Shanxi Medical University Taiyuan China
- Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials Shanxi Medical University Taiyuan China
| | - Dongmei Luo
- School and Hospital of Stomatology Shanxi Medical University Taiyuan China
- Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials Shanxi Medical University Taiyuan China
| | - Xinyu Fu
- School and Hospital of Stomatology Shanxi Medical University Taiyuan China
- Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials Shanxi Medical University Taiyuan China
| | - Tingting Yang
- School and Hospital of Stomatology Shanxi Medical University Taiyuan China
- Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials Shanxi Medical University Taiyuan China
| | - Xiangyu Wang
- School and Hospital of Stomatology Shanxi Medical University Taiyuan China
- Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials Shanxi Medical University Taiyuan China
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9
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Coentro JQ, Di Nubila A, May U, Prince S, Zwaagstra J, Järvinen TAH, Zeugolis D. Dual drug delivery collagen vehicles for modulation of skin fibrosis in vitro. Biomed Mater 2022; 17. [PMID: 35176732 DOI: 10.1088/1748-605x/ac5673] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Accepted: 02/17/2022] [Indexed: 11/11/2022]
Abstract
Single molecule drug delivery systems have failed to yield functional therapeutic outcomes, triggering investigations into multi-molecular drug delivery vehicles. In the context of skin fibrosis, although multi-drug systems have been assessed, no system has assessed molecular combinations that directly and specifically reduce cell proliferation, collagen synthesis and transforming growth factor β1 (TGFβ1) expression. Herein, a core-shell collagen type I hydrogel system was developed for the dual delivery of a TGFβ trap, a soluble recombinant protein that inhibits TGFβ signalling, and Trichostatin A (TSA), a small molecule inhibitor of histone deacetylases. The antifibrotic potential of the dual delivery system was assessed in an in vitro skin fibrosis model induced by macromolecular crowding (MMC) and TGFβ1. SDS-PAGE and HPLC analyses revealed that ~ 50 % of the TGFβ trap and ~ 30 % of the TSA were released from the core and shell compartments, respectively, of the hydrogel system after 10 days (longest time point assessed) in culture. As a direct consequence of this slow release, the core (TGFβ trap) / shell (TSA) hydrogel system induced significantly (p < 0.05) lower than the control group (MMC and TGFβ1) collagen type I deposition (assessed via SDS-PAGE and immunocytochemistry), α smooth muscle actin (αSMA) expression (assessed via immunocytochemistry) and cellular proliferation (assessed via DNA quantification) and viability (assessed via calcein AM and ethidium homodimer-I staining) after 10 days in culture. On the other hand, direct TSA-TGFβ supplementation induced the lowest (p < 0.05) collagen type I deposition, αSMA expression and cellular proliferation and viability after 10 days in culture. Our results illustrate the potential of core-shell collagen hydrogel systems for sustained delivery of antifibrotic molecules.
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Affiliation(s)
- João Q Coentro
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL) and Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), National University of Ireland Galway, Biomedical Sciences Building, Galway, Galway, IRELAND
| | - Alessia Di Nubila
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL) and Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), National University of Ireland Galway, Biomedical Sciences Building, Galway, Galway, IRELAND
| | - Ulrike May
- Faculty of Medicine & Health Technology, Tampere University, Kalevantie 4, Tampere, 33014, FINLAND
| | - Stuart Prince
- Faculty of Medicine & Health Technology, Tampere University, Kalevantie 4, Tampere, 33014, FINLAND
| | - John Zwaagstra
- Human Health Therapeutics Research Centre, National Research Council Canada, Human Health Therapeutics Research Centre, Montreal, Quebec, K1A 0R6, CANADA
| | - Tero A H Järvinen
- Faculty of Medicine & Health Technology, Tampere University, Faculty of Medicine & Health Technology, Tampere, 33014, FINLAND
| | - Dimitrios Zeugolis
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Charles Institute of Dermatology, University College Dublin, Conway Institute of Biomolecular & Biomedical Research and School of Mechanical & Materials Engineering, Dublin, 4, IRELAND
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10
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Lan X, Wang H, Bai J, Miao X, Lin Q, Zheng J, Ding S, Li X, Tang Y. Multidrug-loaded electrospun micro/nanofibrous membranes: Fabrication strategies, release behaviors and applications in regenerative medicine. J Control Release 2021; 330:1264-1287. [PMID: 33232749 DOI: 10.1016/j.jconrel.2020.11.036] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Revised: 11/18/2020] [Accepted: 11/18/2020] [Indexed: 01/02/2023]
Abstract
Electrospun micro/nanofibrous membranes (EFMs) have been widely investigated as local drug delivery systems. Multiple drugs can be simultaneously incorporated into one EFM to create synergistic effects, reduce side effects, and play their respective roles in the complex physiological processes of tissue regeneration and postoperative adhesion prevention. Due to the versatile electrospinning techniques, sustained and programmed release behaviors of multiple drugs could be achieved by modulating the structure of the EFMs and the location of the drugs. In this review, various multidrug incorporation approaches based on electrospinning are overviewed. In particular, the advantages and limitations of each drug incorporation technique, the methods to control drug release and the effect of one drug release on another are discussed. Then the applications of multidrug-loaded EFMs in regenerative medicine, including wound healing, bone regeneration, vascular tissue engineering, nerve regeneration, periodontal regeneration and adhesion prevention are comprehensively reviewed. Finally, the future perspectives and challenges in the research of multidrug-loaded EFMs are discussed.
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Affiliation(s)
- Xingzi Lan
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, China
| | - Han Wang
- State Key Laboratory of Precision Electronic Manufacturing Technology and Equipment, School of Electromechanical Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Jianfu Bai
- State Key Laboratory of Precision Electronic Manufacturing Technology and Equipment, School of Electromechanical Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Xiaomin Miao
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, China
| | - Quan Lin
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, China
| | - Jianpei Zheng
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, China
| | - Shukai Ding
- Materials Institute of Atomic and Molecular Science, ShaanXi University of Science and Technology, Xi'an 710021, China
| | - Xiaoran Li
- Innovation Center for Textile Science and Technology, Donghua University, Shanghai 200051, China
| | - Yadong Tang
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, China; School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, China.
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11
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Mustfa SA, Maurizi E, McGrath J, Chiappini C. Nanomedicine Approaches to Negotiate Local Biobarriers for Topical Drug Delivery. ADVANCED THERAPEUTICS 2021. [DOI: 10.1002/adtp.202000160] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Salman Ahmad Mustfa
- Centre for Craniofacial and Regenerative Biology King's College London London SE1 9RT UK
| | - Eleonora Maurizi
- Dipartimento di Medicina e Chirurgia Università di Parma Parma 43121 Italy
| | - John McGrath
- St John's Institute of Dermatology King's College London London SE1 9RT UK
| | - Ciro Chiappini
- Centre for Craniofacial and Regenerative Biology King's College London London SE1 9RT UK
- London Centre for Nanotechnology King's College London London WC2R 2LS UK
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12
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Huang C, Ogawa R. Systemic factors that shape cutaneous pathological scarring. FASEB J 2020; 34:13171-13184. [DOI: 10.1096/fj.202001157r] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2020] [Revised: 07/29/2020] [Accepted: 08/07/2020] [Indexed: 12/13/2022]
Affiliation(s)
- Chenyu Huang
- Department of Dermatology Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University Beijing China
| | - Rei Ogawa
- Department of Plastic, Reconstructive and Aesthetic Surgery Nippon Medical School Tokyo Japan
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13
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Miranda CS, Ribeiro ARM, Homem NC, Felgueiras HP. Spun Biotextiles in Tissue Engineering and Biomolecules Delivery Systems. Antibiotics (Basel) 2020; 9:E174. [PMID: 32290536 PMCID: PMC7235791 DOI: 10.3390/antibiotics9040174] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Revised: 04/03/2020] [Accepted: 04/10/2020] [Indexed: 11/24/2022] Open
Abstract
Nowadays, tissue engineering is described as an interdisciplinary field that combines engineering principles and life sciences to generate implantable devices to repair, restore and/or improve functions of injured tissues. Such devices are designed to induce the interaction and integration of tissue and cells within the implantable matrices and are manufactured to meet the appropriate physical, mechanical and physiological local demands. Biodegradable constructs based on polymeric fibers are desirable for tissue engineering due to their large surface area, interconnectivity, open pore structure, and controlled mechanical strength. Additionally, biodegradable constructs are also very sought-out for biomolecule delivery systems with a target-directed action. In the present review, we explore the properties of some of the most common biodegradable polymers used in tissue engineering applications and biomolecule delivery systems and highlight their most important uses.
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Affiliation(s)
| | | | | | - Helena P. Felgueiras
- Centre for Textile Science and Technology (2C2T), Department of Textile Engineering, University of Minho, Campus of Azurém, 4800-058 Guimarães, Portugal; (C.S.M.); (A.R.M.R.); (N.C.H.)
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14
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Croitoru A, Ficai D, Craciun L, Ficai A, Andronescu E. Evaluation and Exploitation of Bioactive Compounds of Walnut, Juglans regia. Curr Pharm Des 2020; 25:119-131. [PMID: 30931854 DOI: 10.2174/1381612825666190329150825] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Accepted: 03/22/2019] [Indexed: 12/12/2022]
Abstract
In the last few years, great importance has been given to natural materials (such as walnuts, peanuts, chestnuts) due to their medicinal and pharmaceutical uses induced by the presence of natural agents, including polyphenols. Juglans regia is a traditional plant that has been used since ancient times in traditional medicine for the treatment of various diseases like microbial infections, stomach ache, thyroid dysfunctions, cancer, heart diseases and sinusitis. Recently, scientific attention for the phytochemical profile of walnut by-products is increasing due to their valuable active constituents. Natural polyphenols are important compounds present in walnut with valuable properties that have been studied for the treatment of inflammation, cancer or anti-ageing effect. The use of nanocarriers as a drug delivery system is now a promising strategy to get more stable products and is easier to apply in a medical, therapeutic and pharmaceutical environment. The aim of this work was to review the latest information provided by scientific investigators regarding the nutritional value, bioactive compounds, antioxidant and antitumor activity of walnut by-product extracts. Moreover, this review provides comprehensive information on the nanoencapsulation of bioactive constituents for application in clinical medicine, particularly in cancer research.
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Affiliation(s)
- Alexa Croitoru
- Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, Gh Polizu St 1-7, 011061 Bucharest, Romania
| | - Denisa Ficai
- Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, Gh Polizu St 1-7, 011061 Bucharest, Romania
| | - Luminiţa Craciun
- Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, Gh Polizu St 1-7, 011061 Bucharest, Romania
| | - Anton Ficai
- Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, Gh Polizu St 1-7, 011061 Bucharest, Romania.,Academy of Romanian Scientists, Spl. Independenţei 54, Bucharest, Romania
| | - Ecaterina Andronescu
- Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, Gh Polizu St 1-7, 011061 Bucharest, Romania.,Academy of Romanian Scientists, Spl. Independenţei 54, Bucharest, Romania
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15
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Coentro JQ, Pugliese E, Hanley G, Raghunath M, Zeugolis DI. Current and upcoming therapies to modulate skin scarring and fibrosis. Adv Drug Deliv Rev 2019; 146:37-59. [PMID: 30172924 DOI: 10.1016/j.addr.2018.08.009] [Citation(s) in RCA: 105] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2018] [Revised: 07/08/2018] [Accepted: 08/26/2018] [Indexed: 12/12/2022]
Abstract
Skin is the largest organ of the human body. Being the interface between the body and the outer environment, makes it susceptible to physical injury. To maintain life, nature has endowed skin with a fast healing response that invariably ends in the formation of scar at the wounded dermal area. In many cases, skin remodelling may be impaired, leading to local hypertrophic scars or keloids. One should also consider that the scarring process is part of the wound healing response, which always starts with inflammation. Thus, scarring can also be induced in the dermis, in the absence of an actual wound, during chronic inflammatory processes. Considering the significant portion of the population that is subject to abnormal scarring, this review critically discusses the state-of-the-art and upcoming therapies in skin scarring and fibrosis.
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Affiliation(s)
- João Q Coentro
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI, Galway), Galway, Ireland; Science Foundation Ireland (SFI), Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI, Galway), Galway, Ireland
| | - Eugenia Pugliese
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI, Galway), Galway, Ireland; Science Foundation Ireland (SFI), Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI, Galway), Galway, Ireland
| | - Geoffrey Hanley
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI, Galway), Galway, Ireland; Science Foundation Ireland (SFI), Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI, Galway), Galway, Ireland
| | - Michael Raghunath
- Center for Cell Biology and Tissue Engineering, Institute for Chemistry and Biotechnology (ICBT), Zurich University of Applied Sciences (ZHAW), Wädenswil, Switzerland
| | - Dimitrios I Zeugolis
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI, Galway), Galway, Ireland; Science Foundation Ireland (SFI), Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI, Galway), Galway, Ireland.
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16
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From nano to micro to macro: Electrospun hierarchically structured polymeric fibers for biomedical applications. Prog Polym Sci 2018. [DOI: 10.1016/j.progpolymsci.2017.12.003] [Citation(s) in RCA: 210] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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17
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Liu Y, Liang X, Wang S, Qin W, Zhang Q. Electrospun Antimicrobial Polylactic Acid/Tea Polyphenol Nanofibers for Food-Packaging Applications. Polymers (Basel) 2018; 10:E561. [PMID: 30966595 PMCID: PMC6415433 DOI: 10.3390/polym10050561] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2018] [Revised: 05/10/2018] [Accepted: 05/16/2018] [Indexed: 12/30/2022] Open
Abstract
The development of new bioactive food-packaging materials that extend the shelf life of food is an important objective. Herein, we report the fabrication of four polylactic acid/tea polyphenol (PLA/TP) composite nanofibers, with PLA/TP ratios of 5:1, 4:1, 3:1, and 2:1, by electrospinning. The morphological quality of each sample was examined by scanning electron microscopy (SEM), and samples with higher TP content were found to be deeper in color. The samples were then examined by Fourier transform infrared (FTIR) spectroscopy to confirm the presence of TP. Examination of the mechanical properties of these fibers revealed that the presence of TP decreased both tensile strength and elongation at break; however, this decrease was only slight for the PLA/TP-3:1 composite fiber. The addition of TP influenced the hydrophilic⁻hydrophobic property and release behavior of the composite fibers, which significantly improved the antioxidant behavior of these samples, with 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical-scavenging capacities of up to 95.07% ± 10.55% observed. Finally, antimicrobial activities against Escherichia coli and Staphylococcus aureus of up to 92.26% ± 5.93% and 94.58% ± 6.53%, respectively, were observed for the PLA/TP-3:1 composite fiber. The present study demonstrated that PLA/TP composite nanofibers can potentially be used for food-packaging applications that extend food shelf life.
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Affiliation(s)
- Yaowen Liu
- College of Food Science, Sichuan Agricultural University, Ya'an 625014, China.
- School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China.
| | - Xue Liang
- College of Food Science, Sichuan Agricultural University, Ya'an 625014, China.
| | - Shuyao Wang
- College of Food Science, Sichuan Agricultural University, Ya'an 625014, China.
| | - Wen Qin
- College of Food Science, Sichuan Agricultural University, Ya'an 625014, China.
| | - Qing Zhang
- College of Food Science, Sichuan Agricultural University, Ya'an 625014, China.
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18
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Kamble P, Sadarani B, Majumdar A, Bhullar S. Nanofiber based drug delivery systems for skin: A promising therapeutic approach. J Drug Deliv Sci Technol 2017. [DOI: 10.1016/j.jddst.2017.07.003] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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19
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Morphological, thermal and drug release studies of poly (methacrylic acid)-based molecularly imprinted polymer nanoparticles immobilized in electrospun poly (ε-caprolactone) nanofibers as dexamethasone delivery system. KOREAN J CHEM ENG 2017. [DOI: 10.1007/s11814-017-0078-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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20
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Chen XE, Liu J, Bin Jameel AA, Valeska M, Zhang JA, Xu Y, Liu XW, Zhou H, Luo D, Zhou BR. Combined effects of long-pulsed neodymium-yttrium-aluminum-garnet laser, diprospan and 5-fluorouracil in the treatment of keloid scars. Exp Ther Med 2017; 13:3607-3612. [PMID: 28588688 DOI: 10.3892/etm.2017.4438] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2015] [Accepted: 01/20/2017] [Indexed: 02/06/2023] Open
Abstract
Keloids are benign tumors that originate from scar tissues, but they usually overgrow beyond the original wounds. In a three-month single-center clinical trial, 69 patients were randomly divided into three groups. Patients in group 1 were treated with intralesional injection of diprospan (2 mg betamethasone disodium phosphate and 5 mg betamethasone dipropionate in 1 ml) with one-month intervals for three months. Patients in groups 2 and 3 were injected with a combination of 0.5 ml 5-fluorouracil (5-FU; 25 mg/ml) and diprospan as above for three months also. Prior to each injection, the keloids of patients in group 3 were additionally irradiated by a 1,064-nm neodymium-yttrium-aluminum-garnet (Nd:YAG) laser with a single pulse at an energy density of 90-100 J/cm2 and a pulse width of 12 msec. Clinical responses were evaluated by patient self-assessment and overall assessment by an observer according to the clinical signs of erythema, pruritus and pliability. A total of sixty-two patients completed the tests of the present study. At 2 and 3 months, the patients in all treatment groups showed an acceptable improvement in nearly all measurements. At the end of the study, the erythema and toughness score was significantly reduced and itch reduction was significantly greater in the diprospan + 5-FU + Nd:YAG group when compared to those in the other groups (P<0.05 for all indexes). The acceptable responses (good to excellent improvements) reported by blinded observers were as follows: 12% in the diprospan group, 48% in the diprospan + 5-FU group and 69% in the diprospan + 5-FU + Nd:YAG group. All of the results indicated that the combination of diprospan + 5-FU + Nd:YAG was the most efficacious therapy for keloid scars.
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Affiliation(s)
- Xiao-E Chen
- Department of Dermatology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China.,Department of Dermatology and Venereology, Nanjing Jingdu Hospital, Nanjing, Jiangsu 210002, P.R. China
| | - Juan Liu
- Department of Dermatology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Afzaal Ahmed Bin Jameel
- Department of Dermatology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Maya Valeska
- Department of Dermatology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Jia-An Zhang
- Department of Dermatology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Yang Xu
- Department of Dermatology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Xing-Wu Liu
- Department of Dermatology and Venereology, Nanjing Jingdu Hospital, Nanjing, Jiangsu 210002, P.R. China
| | - Hong Zhou
- Department of Dermatology and Venereology, Nanjing Jingdu Hospital, Nanjing, Jiangsu 210002, P.R. China
| | - Dan Luo
- Department of Dermatology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Bing-Rong Zhou
- Department of Dermatology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
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21
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Li JM. Realizing single-crystalline vertically-oriented and high-density electrospun nanofibril bundles by controlled postcalcination. CrystEngComm 2017. [DOI: 10.1039/c7ce00847c] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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22
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Goyal R, Macri LK, Kaplan HM, Kohn J. Nanoparticles and nanofibers for topical drug delivery. J Control Release 2016; 240:77-92. [PMID: 26518723 PMCID: PMC4896846 DOI: 10.1016/j.jconrel.2015.10.049] [Citation(s) in RCA: 283] [Impact Index Per Article: 35.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2015] [Revised: 10/23/2015] [Accepted: 10/26/2015] [Indexed: 01/11/2023]
Abstract
This review provides the first comprehensive overview of the use of both nanoparticles and nanofibers for topical drug delivery. Researchers have explored the use of nanotechnology, specifically nanoparticles and nanofibers, as drug delivery systems for topical and transdermal applications. This approach employs increased drug concentration in the carrier, in order to increase drug flux into and through the skin. Both nanoparticles and nanofibers can be used to deliver hydrophobic and hydrophilic drugs and are capable of controlled release for a prolonged period of time. The examples presented provide significant evidence that this area of research has - and will continue to have - a profound impact on both clinical outcomes and the development of new products.
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Affiliation(s)
- Ritu Goyal
- New Jersey Center for Biomaterials, Rutgers, The State University of New Jersey, 145 Bevier Road, Piscataway, NJ 08854, USA
| | - Lauren K Macri
- New Jersey Center for Biomaterials, Rutgers, The State University of New Jersey, 145 Bevier Road, Piscataway, NJ 08854, USA
| | - Hilton M Kaplan
- New Jersey Center for Biomaterials, Rutgers, The State University of New Jersey, 145 Bevier Road, Piscataway, NJ 08854, USA
| | - Joachim Kohn
- New Jersey Center for Biomaterials, Rutgers, The State University of New Jersey, 145 Bevier Road, Piscataway, NJ 08854, USA.
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23
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Stephansen K, García-Díaz M, Jessen F, Chronakis IS, Nielsen HM. Interactions between Surfactants in Solution and Electrospun Protein Fibers: Effects on Release Behavior and Fiber Properties. Mol Pharm 2016; 13:748-55. [DOI: 10.1021/acs.molpharmaceut.5b00614] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Karen Stephansen
- National Food Institute, Technical University of
Denmark, Søltofts
Plads 227, DK-2800 Kongens Lyngby, Denmark
- Department
of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen, Denmark
| | - María García-Díaz
- Department
of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen, Denmark
| | - Flemming Jessen
- National Food Institute, Technical University of
Denmark, Søltofts
Plads 227, DK-2800 Kongens Lyngby, Denmark
| | - Ioannis S. Chronakis
- National Food Institute, Technical University of
Denmark, Søltofts
Plads 227, DK-2800 Kongens Lyngby, Denmark
| | - Hanne M. Nielsen
- Department
of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen, Denmark
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24
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Nikkola L, Morton T, Balmayor ER, Jukola H, Harlin A, Redl H, van Griensven M, Ashammakhi N. Fabrication of electrospun poly(D,L lactide-co-glycolide)80/20 scaffolds loaded with diclofenac sodium for tissue engineering. Eur J Med Res 2015; 20:54. [PMID: 26044589 PMCID: PMC4465314 DOI: 10.1186/s40001-015-0145-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2014] [Accepted: 05/14/2015] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Adaptation of nanotechnology into materials science has also advanced tissue engineering research. Tissues are basically composed of nanoscale structures hence making nanofibrous materials closely resemble natural fibers. Adding a drug release function to such material may further advance their use in tissue repair. METHODS In the current study, bioabsorbable poly(D,L lactide-co-glycolide)80/20 (PDLGA80/20) was dissolved in a mixture of acetone/dimethylformamide. Twenty percent of diclofenac sodium was added to the solution. Nanofibers were manufactured using electrospinning. The morphology of the obtained scaffolds was analyzed by scanning electron microscopy (SEM). The release of the diclofenac sodium was assessed by UV/Vis spectroscopy. Mouse fibroblasts (MC3T3) were seeded on the scaffolds, and the cell attachment was evaluated with fluorescent microscopy. RESULTS The thickness of electrospun nanomats was about 1 mm. SEM analysis showed that polymeric nanofibers containing drug particles formed very interconnected porous nanostructures. The average diameter of the nanofibers was 500 nm. Drug release was measured by means of UV/Vis spectroscopy. After a high start peak, the release rate decreased considerably during 11 days and lasted about 60 days. During the evaluation of the release kinetics, a material degradation process was observed. MC3T3 cells attached to the diclofenac sodium-loaded scaffold. CONCLUSIONS The nanofibrous porous structure made of PDLGA polymer loaded with diclofenac sodium is feasible to develop, and it may help to improve biomaterial properties for controlled tissue repair and regeneration.
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Affiliation(s)
- Lila Nikkola
- Department of Biomedical Engineering, Tampere University of Technology, Tampere, Finland.
| | - Tatjana Morton
- AUVA Research Center, Austrian Cluster for Tissue Regeneration, Ludwig Boltzmann Institute for Experimental and Clinical Traumatology, Vienna, Austria.
| | - Elizabeth R Balmayor
- Department of Experimental Trauma Surgery, Klinikum rechts der Isar, Technical University Munich, Ismaninger Strasse 22, D-81675, Munich, Germany.
| | - Hanna Jukola
- Department of Biomedical Engineering, Tampere University of Technology, Tampere, Finland.
| | - Ali Harlin
- Institute of Fiber Material Science, Tampere University of Technology, Tampere, Finland.
| | - Heinz Redl
- AUVA Research Center, Austrian Cluster for Tissue Regeneration, Ludwig Boltzmann Institute for Experimental and Clinical Traumatology, Vienna, Austria.
| | - Martijn van Griensven
- AUVA Research Center, Austrian Cluster for Tissue Regeneration, Ludwig Boltzmann Institute for Experimental and Clinical Traumatology, Vienna, Austria. .,Department of Experimental Trauma Surgery, Klinikum rechts der Isar, Technical University Munich, Ismaninger Strasse 22, D-81675, Munich, Germany.
| | - Nureddin Ashammakhi
- Department of Biomedical Engineering, Tampere University of Technology, Tampere, Finland. .,Institute of Science and Technology in Medicine, Keele University, Staffordshire, UK.
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25
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Li L, Zhou G, Wang Y, Yang G, Ding S, Zhou S. Controlled dual delivery of BMP-2 and dexamethasone by nanoparticle-embedded electrospun nanofibers for the efficient repair of critical-sized rat calvarial defect. Biomaterials 2015; 37:218-29. [DOI: 10.1016/j.biomaterials.2014.10.015] [Citation(s) in RCA: 196] [Impact Index Per Article: 21.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2014] [Accepted: 10/02/2014] [Indexed: 12/25/2022]
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