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Abdollahi M, Baharian A, Mohamadhoseini M, Hassanpour M, Makvandi P, Habibizadeh M, Jafari B, Nouri R, Mohamadnia Z, Nikfarjam N. Advances in ionic liquid-based antimicrobial wound healing platforms. J Mater Chem B 2024; 12:9478-9507. [PMID: 39206539 DOI: 10.1039/d4tb00841c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/04/2024]
Abstract
Wound infections, marked by the proliferation of microorganisms at surgical sites, necessitate the development of innovative wound dressings with potent bactericidal properties to curb microbial growth and prevent bacterial infiltration. This study explores the recent strides in utilizing ionic liquid-based polymers as highly promising antimicrobial agents for advanced wound healing applications. Specifically, cationic polymers containing quaternary ammonium, imidazolium, guanidinium, pyridinium, triazolium, or phosphonium groups have emerged as exceptionally effective antimicrobial compounds. Their mechanism of action involves disrupting bacterial membranes, thereby preventing the development of resistance and minimizing toxicity to mammalian cells. This comprehensive review not only elucidates the intricate dynamics of the skin's immune response and the various stages of wound healing but also delves into the synthesis methodologies of ionic liquid-based polymers. By spotlighting the practical applications of antimicrobial wound dressings, particularly those incorporating ionic liquid-based materials, this review aims to lay the groundwork for future research endeavors in this burgeoning field. Through a nuanced examination of these advancements, this article seeks to contribute to the ongoing progress in developing cutting-edge wound healing platforms that can effectively address the challenges posed by microbial infections in surgical wounds.
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Affiliation(s)
- Mahin Abdollahi
- Department of Chemistry, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan 451951159, Iran.
| | - Aysan Baharian
- Department of Chemistry, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan 451951159, Iran.
| | - Masoumeh Mohamadhoseini
- Department of Chemistry, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan 451951159, Iran.
| | - Mahnaz Hassanpour
- Department of Chemistry, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan 451951159, Iran.
| | - Pooyan Makvandi
- School of Engineering, Institute for Bioengineering, The University of Edinburgh, Edinburgh EH9 3JL, UK
| | - Mina Habibizadeh
- Regenerative Medicine Research Center, Kermanshah University of Medical Sciences, Kermanshah 6715847141, Iran
| | - Bahman Jafari
- Department of Chemistry, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan 451951159, Iran.
| | - Roya Nouri
- Department of Chemistry, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan 451951159, Iran.
| | - Zahra Mohamadnia
- Department of Chemistry, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan 451951159, Iran.
| | - Nasser Nikfarjam
- Department of Chemistry, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan 451951159, Iran.
- Department of Chemical Engineering, College of Engineering and Computing, University of South Carolina, Columbia 29208, SC, USA
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2
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Saliy O, Popova M, Tarasenko H, Getalo O. Development strategy of novel drug formulations for the delivery of doxycycline in the treatment of wounds of various etiologies. Eur J Pharm Sci 2024; 195:106636. [PMID: 38185273 DOI: 10.1016/j.ejps.2023.106636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 11/01/2023] [Accepted: 11/10/2023] [Indexed: 01/09/2024]
Abstract
Doxycycline hyclate (DOXH) is a broad-spectrum antibiotic derived synthetically from tetracycline. Despite its use in clinical practice for more than 40 years, DOXH remains an effective antibiotic with retained activity. The potential advantages of DOXH for wound healing therapy include its mechanisms of action, such as anti-inflammatory effects, antioxidant properties, modulation of cellular processes, stimulation of collagen synthesis, and antimicrobial activity. As current standards of care aim to improve wound healing by promoting rapid closure, a relevant direction is the development of novel DOXH formulations for parenteral delivery that enhance both skin regeneration and control of infectious conditions. Oral delivery is the most common and commercially available route for administering DOXH therapeutic agents. However, parenteral delivery of DOXH, where the antibiotic substance is not in a solid state (as in powdered or compressed solid form) but rather dissolved in any carrier, presents challenges regarding DOX solubility and the stability of DOXH solutions, which are major factors complicating the development of new formulations for parenteral administration. This review discusses the achievements in research strategies and the development of new pharmaceutical formulations for the delivery of doxycycline in the treatment of wounds of various etiologies.
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Affiliation(s)
- Olena Saliy
- Department of Industrial Pharmacy, Kyiv National University of Technologies and Design, Mala Shyianovska (Nemyrovycha-Danchenka) Street, 2, Kyiv 01011, Ukraine
| | - Mariia Popova
- Department of Industrial Pharmacy, Kyiv National University of Technologies and Design, Mala Shyianovska (Nemyrovycha-Danchenka) Street, 2, Kyiv 01011, Ukraine.
| | - Hanna Tarasenko
- Department of Industrial Pharmacy, Kyiv National University of Technologies and Design, Mala Shyianovska (Nemyrovycha-Danchenka) Street, 2, Kyiv 01011, Ukraine
| | - Olga Getalo
- Department of Industrial, Clinical pharmacy and Clinical pharmacology, Shupyk National Healthcare University of Ukraine, Dorohozhytska Street 9, Kyiv 04112 Ukraine
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3
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Jabbari F, Babaeipour V. Bacterial cellulose as a potential biopolymer for wound care. A review. INT J POLYM MATER PO 2023. [DOI: 10.1080/00914037.2023.2167080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Farzaneh Jabbari
- Nanotechnology and Advanced Materials Department, Materials and Energy Research Center, Tehran, Iran
| | - Valiollah Babaeipour
- Faculty of Chemistry and Chemical Engineering, Malek Ashtar University of Technology, Tehran, Iran
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4
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Khullar L, Harjai K, Chhibber S. Therapeutic and pro-healing potential of advanced wound dressings loaded with bioactive agents. Future Microbiol 2023; 18:43-63. [PMID: 36537228 DOI: 10.2217/fmb-2022-0162] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Chronic skin wound infections are inextricably linked with high mortality rates. With the rise in the aging population and the threat of diabetes, obesity and lifestyle-based diseases, the risk incurred from invasive wound pathogens has been ever escalating. Thus, more efficacious wound care management is necessary to cope with such morbid illnesses. A plethora of bioactive agents, such as antibiotics, phytochemicals, essential oils, phages among others, has been exploited to develop wound dressings, raising tremendous interest in their prospective use as wound care products. The present review critically focuses on the therapeutic implications of advanced wound dressings that have assisted in the expansion of regenerative medicine and also discusses the practical concerns that have limited their bench-to-market entry.
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Affiliation(s)
- Lavanya Khullar
- Department of Microbiology, Panjab University, Chandigarh, India
| | - Kusum Harjai
- Department of Microbiology, Panjab University, Chandigarh, India
| | - Sanjay Chhibber
- Department of Microbiology, Panjab University, Chandigarh, India
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5
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Thapa RK, Grønlien KG, Tønnesen HH. Protein-Based Systems for Topical Antibacterial Therapy. FRONTIERS IN MEDICAL TECHNOLOGY 2022; 3:685686. [PMID: 35047932 PMCID: PMC8757810 DOI: 10.3389/fmedt.2021.685686] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 06/01/2021] [Indexed: 12/12/2022] Open
Abstract
Recently, proteins are gaining attention as potential materials for antibacterial therapy. Proteins possess beneficial properties such as biocompatibility, biodegradability, low immunogenic response, ability to control drug release, and can act as protein-mimics in wound healing. Different plant- and animal-derived proteins can be developed into formulations (films, hydrogels, scaffolds, mats) for topical antibacterial therapy. The application areas for topical antibacterial therapy can be wide including bacterial infections in the skin (e.g., acne, wounds), eyelids, mouth, lips, etc. One of the major challenges of the healthcare system is chronic wound infections. Conventional treatment strategies for topical antibacterial therapy of infected wounds are inadequate, and the development of newer and optimized formulations is warranted. Therefore, this review focuses on recent advances in protein-based systems for topical antibacterial therapy in infected wounds. The opportunities and challenges of such protein-based systems along with their future prospects are discussed.
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Affiliation(s)
- Raj Kumar Thapa
- Section for Pharmaceutics and Social Pharmacy, Department of Pharmacy, University of Oslo, Oslo, Norway
| | | | - Hanne Hjorth Tønnesen
- Section for Pharmaceutics and Social Pharmacy, Department of Pharmacy, University of Oslo, Oslo, Norway
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6
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Qadir A, Jahan S, Aqil M, Warsi MH, Alhakamy NA, Alfaleh MA, Khan N, Ali A. Phytochemical-Based Nano-Pharmacotherapeutics for Management of Burn Wound Healing. Gels 2021; 7:gels7040209. [PMID: 34842674 PMCID: PMC8628765 DOI: 10.3390/gels7040209] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 10/31/2021] [Accepted: 11/11/2021] [Indexed: 12/15/2022] Open
Abstract
Medicinal plants have been used since ancient times for their various therapeutic activities and are safer compared to modern medicines, especially when properly identifying and preparing them and choosing an adequate dose administration. The phytochemical compounds present in plants are progressively yielding evidence in modern drug delivery systems by treating various diseases like cancers, coronary heart disease, diabetes, high blood pressure, inflammation, microbial, viral and parasitic infections, psychotic diseases, spasmodic conditions, ulcers, etc. The phytochemical requires a rational approach to deliver the compounds to enhance the efficacy and to improve patients’ compatibility. Nanotechnology is emerging as one of the most promising strategies in disease control. Nano-formulations could target certain parts of the body and control drug release. Different studies report that phytochemical-loaded nano-formulations have been tested successfully both in vitro and in vivo for healing of skin wounds. The use of nano systems as drug carriers may reduce the toxicity and enhance the bioavailability of the incorporated drug. In this review, we focus on various nano-phytomedicines that have been used in treating skin burn wounds, and how both nanotechnology and phytochemicals are effective for treating skin burns.
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Affiliation(s)
- Abdul Qadir
- Department of Pharmaceutics, School of Pharmaceutical Education & Research, Jamia Hamdard, New Delhi 110062, India; (A.Q.); (S.J.); (M.A.)
| | - Samreen Jahan
- Department of Pharmaceutics, School of Pharmaceutical Education & Research, Jamia Hamdard, New Delhi 110062, India; (A.Q.); (S.J.); (M.A.)
| | - Mohd Aqil
- Department of Pharmaceutics, School of Pharmaceutical Education & Research, Jamia Hamdard, New Delhi 110062, India; (A.Q.); (S.J.); (M.A.)
| | - Musarrat Husain Warsi
- Department of Pharmaceutics and Industrial Pharmacy, College of Pharmacy, Taif University, Al-Haweiah, Taif 21974, Saudi Arabia
- Correspondence: or
| | - Nabil A. Alhakamy
- Department of Pharmaceutics, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (N.A.A.); (M.A.A.)
| | - Mohamed A. Alfaleh
- Department of Pharmaceutics, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (N.A.A.); (M.A.A.)
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Nausheen Khan
- Department of Pharmacognosy and Phytochemistry, School of Pharmaceutical Education & Research, Jamia Hamdard, New Delhi 110062, India;
| | - Athar Ali
- Centre for Transgenic Plant Development, Department of Biotechnology, Jamia Hamdard, New Delhi 110062, India;
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7
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Xu Z, Liang B, Tian J, Wu J. Anti-inflammation biomaterial platforms for chronic wound healing. Biomater Sci 2021; 9:4388-4409. [PMID: 34013915 DOI: 10.1039/d1bm00637a] [Citation(s) in RCA: 57] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Nowadays, there has been an increase in the number of people with chronic wounds, which has resulted in serious health problems worldwide. The rate-limiting stage of chronic wound healing has been found to be the inflammation stage, and strategies for shortening the prolonged inflammatory response have proven to be effective for increasing the healing rate. Recently, various anti-inflammatory strategies (such as anti-inflammatory drugs, antioxidant, NO regulation, antibacterial, immune regulation and angiogenesis) have attracted attention as potential therapeutic pathways. Moreover, various biomaterial platforms based on anti-inflammation therapy strategies have also emerged in the spotlight as potential therapies to accelerate the repair of chronic wounds. In this review, we systematically investigated the advances of various biomaterial platforms based on anti-inflammation strategies for chronic wound healing, to provide valuable guidance for future breakthroughs in chronic wound treatment.
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Affiliation(s)
- Zejun Xu
- Key Laboratory of Sensing Technology and Biomedical Instrument of Guangdong Province, School of Biomedical Engineering, Sun Yat-sen University, Shenzhen 518107, P. R. China.
| | - Biao Liang
- Center of Digestive Endoscopy, Guangdong Second Provincial general Hospital, No. 466, Xingang Middle Road, Guangzhou 510317, Haizhu District, China.
| | - Junzhang Tian
- Center of Digestive Endoscopy, Guangdong Second Provincial general Hospital, No. 466, Xingang Middle Road, Guangzhou 510317, Haizhu District, China.
| | - Jun Wu
- Key Laboratory of Sensing Technology and Biomedical Instrument of Guangdong Province, School of Biomedical Engineering, Sun Yat-sen University, Shenzhen 518107, P. R. China.
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8
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Hall TJ, Villapún VM, Addison O, Webber MA, Lowther M, Louth SET, Mountcastle SE, Brunet MY, Cox SC. A call for action to the biomaterial community to tackle antimicrobial resistance. Biomater Sci 2021; 8:4951-4974. [PMID: 32820747 DOI: 10.1039/d0bm01160f] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The global surge of antimicrobial resistance (AMR) is a major concern for public health and proving to be a key challenge in modern disease treatment, requiring action plans at all levels. Microorganisms regularly and rapidly acquire resistance to antibiotic treatments and new drugs are continuously required. However, the inherent cost and risk to develop such molecules has resulted in a drying of the pipeline with very few compounds currently in development. Over the last two decades, efforts have been made to tackle the main sources of AMR. Nevertheless, these require the involvement of large governmental bodies, further increasing the complexity of the problem. As a group with a long innovation history, the biomaterials community is perfectly situated to push forward novel antimicrobial technologies to combat AMR. Although this involvement has been felt, it is necessary to ensure that the field offers a united front with special focus in areas that will facilitate the development and implementation of such systems. This paper reviews state of the art biomaterials strategies striving to limit AMR. Promising broad-spectrum antimicrobials and device modifications are showcased through two case studies for different applications, namely topical and implantables, demonstrating the potential for a highly efficacious physical and chemical approach. Finally, a critical review on barriers and limitations of these methods has been developed to provide a list of short and long-term focus areas in order to ensure the full potential of the biomaterials community is directed to helping tackle the AMR pandemic.
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Affiliation(s)
- Thomas J Hall
- School of Chemical Engineering, University of Birmingham, Edgbaston B15 2TT, UK.
| | - Victor M Villapún
- School of Chemical Engineering, University of Birmingham, Edgbaston B15 2TT, UK.
| | - Owen Addison
- Faculty of Dentistry, Oral and Craniofacial Sciences, King's College London, London, SE1 9RT, UK
| | - Mark A Webber
- Quadram Institute Bioscience, Norwich Research Park, Colney, NR4 7UQ, UK
| | - Morgan Lowther
- School of Chemical Engineering, University of Birmingham, Edgbaston B15 2TT, UK.
| | - Sophie E T Louth
- School of Chemical Engineering, University of Birmingham, Edgbaston B15 2TT, UK.
| | - Sophie E Mountcastle
- School of Chemical Engineering, University of Birmingham, Edgbaston B15 2TT, UK.
| | - Mathieu Y Brunet
- School of Chemical Engineering, University of Birmingham, Edgbaston B15 2TT, UK.
| | - Sophie C Cox
- School of Chemical Engineering, University of Birmingham, Edgbaston B15 2TT, UK.
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9
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Meamar R, Chegini S, Varshosaz J, Aminorroaya A, Amini M, Siavosh M. Alleviating neuropathy of diabetic foot ulcer by co-delivery of venlafaxine and matrix metalloproteinase drug-loaded cellulose nanofiber sheets: production, in vitro characterization and clinical trial. Pharmacol Rep 2021; 73:806-819. [PMID: 33826133 DOI: 10.1007/s43440-021-00220-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2020] [Revised: 01/12/2021] [Accepted: 01/21/2021] [Indexed: 10/21/2022]
Abstract
BACKGROUND The objective of the present study was co-delivery of venlafaxin (VEN) and doxycycline (DOX), a matrix metalloproteinase inhibitor drug, for alleviating inflammation and neuropathy in diabetic foot ulcer (DFU). METHODS Bacterial cellulose nanofiber sheets (BCNS) were loaded with DOX and VEN and categorized by their loading efficiency, release profiles and ex vivo permeation throughrat skin. The optimized nanofibers were used in patients with DFU to compare with the standard wound care regimen during a 12-week trial. Wound area was measured every 2 weeks. Biochemical parameters and microscopic studies of the skin were examined prior and at the end of the treatment. The Michigan Neuropathy Screening Instrument (MNSI) questionnaire was utilized to assess diabetic neuropathy. RESULTS The optimum formulation showed loading efficiency of 37.8 ± 1.6% for DOX and 48 ± 1.9% for VEN. Rat skin permeation was 40% for DOX after 7-29 h and 83% for VEN during 105 h. Patients treated with BCNS showed no significant difference in their biochemical parameters before and after intervention. The ulcer size showed faster reduction after 12 weeks in the treatment group compared to the control group. The abnormal responses in the MNSI questionnaire decreased and pain-free walking distance increased significantly in the treatment group compared with the control group (p < 0.001). Microscopic studies of the skin after using nanofibers showed a large number of polymorphonuclear chronic inflammatory cells and formation of new capillary beds. CONCLUSIONS The BCNS loaded with DOX and VEN may expedite healing and reduce neuropathy in the DFU of diabetic patients.
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Affiliation(s)
| | - Sana Chegini
- Isfahan University of Medical Sciences, Isfahan, Iran
| | | | | | - Masoud Amini
- Isfahan University of Medical Sciences, Isfahan, Iran
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10
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Nanotechnology Development for Formulating Essential Oils in Wound Dressing Materials to Promote the Wound-Healing Process: A Review. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11041713] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Wound healing refers to the replacement of damaged tissue through strongly coordinated cellular events. The patient’s condition and different types of wounds complicate the already intricate healing process. Conventional wound dressing materials seem to be insufficient to facilitate and support this mechanism. Nanotechnology could provide the physicochemical properties and specific biological responses needed to promote the healing process. For nanoparticulate dressing design, growing interest has focused on natural biopolymers due to their biocompatibility and good adaptability to technological needs. Polysaccharides are the most common natural biopolymers used for wound-healing materials. In particular, alginate and chitosan polymers exhibit intrinsic antibacterial and anti-inflammatory effects, useful for guaranteeing efficient treatment. Recent studies highlight that several natural plant-derived molecules can influence healing stages. In particular, essential oils show excellent antibacterial, antifungal, antioxidant, and anti-inflammatory properties that can be amplified by combining them with nanotechnological strategies. This review summarizes recent studies concerning essential oils as active secondary compounds in polysaccharide-based wound dressings.
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11
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Ruggeri M, Bianchi E, Rossi S, Vigani B, Bonferoni MC, Caramella C, Sandri G, Ferrari F. Nanotechnology-Based Medical Devices for the Treatment of Chronic Skin Lesions: From Research to the Clinic. Pharmaceutics 2020; 12:pharmaceutics12090815. [PMID: 32867241 PMCID: PMC7559814 DOI: 10.3390/pharmaceutics12090815] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 08/18/2020] [Accepted: 08/20/2020] [Indexed: 12/29/2022] Open
Abstract
Chronic wounds, such as pressure ulcers, diabetic ulcers, venous ulcers and arterial insufficiency ulcers, are lesions that fail to proceed through the normal healing process within a period of 12 weeks. The treatment of skin chronic wounds still represents a great challenge. Wound medical devices (MDs) range from conventional and advanced dressings, up to skin grafts, but none of these are generally recognized as a gold standard. Based on recent developments, this paper reviews nanotechnology-based medical devices intended as skin substitutes. In particular, nanofibrous scaffolds are promising platforms for wound healing, especially due to their similarity to the extracellular matrix (ECM) and their capability to promote cell adhesion and proliferation, and to restore skin integrity, when grafted into the wound site. Nanotechnology-based scaffolds are emphasized here. The discussion will be focused on the definition of critical quality attributes (chemical and physical characterization, stability, particle size, surface properties, release of nanoparticles from MDs, sterility and apyrogenicity), the preclinical evaluation (biocompatibility testing, alternative in vitro tests for irritation and sensitization, wound healing test and animal wound models), the clinical evaluation and the CE (European Conformity) marking of nanotechnology-based MDs.
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12
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Bacterially sensitive nanoparticle-based dissolving microneedles of doxycycline for enhanced treatment of bacterial biofilm skin infection: A proof of concept study. INTERNATIONAL JOURNAL OF PHARMACEUTICS-X 2020; 2:100047. [PMID: 32322819 PMCID: PMC7168771 DOI: 10.1016/j.ijpx.2020.100047] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Revised: 03/02/2020] [Accepted: 03/08/2020] [Indexed: 02/07/2023]
Abstract
The presence of bacterial biofilms in wounds is a main issue in the healing process. Conventional therapy of bacterial biofilms is hampered by the poor penetration of antibacterial agents through the physical barrier on the infected skin and the non-specific target of antibacterial agents. Here, we present a combination approach of bacterial sensitive nanoparticles (NPs) and dissolving microneedles (MNs) of doxycycline (DOX) for improved biofilm penetration and specifically delivering DOX to the infection site. The NPs were prepared from poly(lactic-co-glycolic acid) and poly (Ɛ-caprolactone) decorated with chitosan. The release of DOX was improved with the presence of bacterial producing biofilm up to 7-fold. The incorporation of these NPs into dissolving MNs was able to significantly enhance the dermatokinetic profiles of DOX, indicated by higher retention time compared to needle-free patches. Importantly, the antibiofilm activity in ex vivo biofilm model showed that after 48 h, the bacterial bioburdens decreased up to 99.99% following the application of this approach. The results presented here assist as proof of principle for the improvement of dermatokinetic profiles and antibiofilm activities of DOX, following its formulation into bacterial sensitive NPs and delivery via MN. Future studies must explore in vivo efficacy in a suitable animal model.
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13
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Dian Permana A, Mir M, Utomo E, Donnelly RF. WITHDRAWN: Bacterially sensitive nanoparticle-based dissolving microneedles of doxycycline for enhanced treatment of bacterial biofilm skin infection: A proof of concept study. Int J Pharm 2020:119220. [PMID: 32165225 DOI: 10.1016/j.ijpharm.2020.119220] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Revised: 03/02/2020] [Accepted: 03/08/2020] [Indexed: 10/24/2022]
Affiliation(s)
- Andi Dian Permana
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast. BT9 7BL, UK; Department of Pharmaceutics, Faculty of Pharmacy, Hasanuddin University, Makassar, Indonesia
| | - Maria Mir
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast. BT9 7BL, UK; Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad 45320, Pakistan
| | - Emilia Utomo
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast. BT9 7BL, UK
| | - Ryan F Donnelly
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast. BT9 7BL, UK.
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14
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Varshosaz J, Arabloo K, Sarrami N, Ghassami E, Yazdani Kachouei E, Kouhi M, Jahanian-Najafabadi A. RGD peptide grafted polybutylene adipate-co-terephthalate/gelatin electrospun nanofibers loaded with a matrix metalloproteinase inhibitor drug for alleviating of wounds: an in vitro/in vivo study. Drug Dev Ind Pharm 2020; 46:484-497. [DOI: 10.1080/03639045.2020.1730397] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Jaleh Varshosaz
- Department of Pharmaceutics, School of Pharmacy and Pharmaceutical Sciences, Novel Drug Delivery Systems Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Khatereh Arabloo
- Department of Pharmaceutics, School of Pharmacy and Pharmaceutical Sciences, Novel Drug Delivery Systems Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Nasim Sarrami
- Department of Pharmaceutics, School of Pharmacy and Pharmaceutical Sciences, Novel Drug Delivery Systems Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Erfaneh Ghassami
- Department of Pharmaceutics, School of Pharmacy and Pharmaceutical Sciences, Novel Drug Delivery Systems Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | | | - Monireh Kouhi
- Department of Pharmaceutics, School of Pharmacy and Pharmaceutical Sciences, Novel Drug Delivery Systems Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Ali Jahanian-Najafabadi
- Department of Biotechnology, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
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15
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Moeini A, Pedram P, Makvandi P, Malinconico M, Gomez d'Ayala G. Wound healing and antimicrobial effect of active secondary metabolites in chitosan-based wound dressings: A review. Carbohydr Polym 2020; 233:115839. [PMID: 32059889 DOI: 10.1016/j.carbpol.2020.115839] [Citation(s) in RCA: 346] [Impact Index Per Article: 86.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 01/06/2020] [Accepted: 01/06/2020] [Indexed: 02/06/2023]
Abstract
Wound healing can lead to complex clinical problems, hence finding an efficient approach to enhance the healing process is necessary. An ideal wound dressing should treat wounds at reasonable costs, with minimal inconveniences for the patient. Chitosan is one of the most investigated biopolymers for wound healing applications due to its biocompatibility, biodegradability, non-toxicity, and antimicrobial activity. Moreover, chitosan and its derivative have attracted numerous attentions because of the accelerating wound healing, and easy processability into different forms (gels, foams, membranes, and beads). All these properties make chitosan-based materials particularly versatile and promising for wound dressings. Besides, secondary natural metabolites could potentially act like the antimicrobial and anti-inflammatory agents and accelerate the healing process. This review collected almost all studies regarding natural compounds applications in wound healing by focusing on the chitosan-based bioactive wound dressing systems. An accurate analysis of different chitosan formulations and the influence of bioactive compounds on their wound healing properties are reported.
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Affiliation(s)
- Arash Moeini
- Department of Chemical Sciences, Universityof Naples "Federico II", Italy.
| | - Parisa Pedram
- Department of Chemical, Materialsand Industrial Production Engineering, University of Naples Federico II, Italy; Center for Advanced Biomaterials for Healthcare, Istituto Italiano di Tecnologia (IIT@CRIB), Italy
| | - Pooyan Makvandi
- Institute for Polymers, Composites and Biomaterials, National Research Council, Italy; Department of Medical Nanotechnology, Faculty of Advanced Technology in Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mario Malinconico
- Institute for Polymers, Composites and Biomaterials, National Research Council, Italy
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Electrospun wound dressing as a promising tool for the therapeutic delivery of ascorbic acid and caffeine. Ther Deliv 2019; 10:757-767. [PMID: 31840563 DOI: 10.4155/tde-2019-0059] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Aim: The aim of this work is to formulate a wound dressing for the delivery of ascorbic acid and caffeine. Method: A wound dressing was developed from electrospun nanofiber containing ascorbic acid and caffeine. In vitro drug release was performed at 25°C and 32°C. Wound healing activity of the nanofiber mats was tested in vivo using rat model with skin excision. Antifungal activity of the dressing was tested on Candida albicans using the disc diffusion method. Results & conclusion: Zone of inhibition was 6.7 mm for caffeine dressing; however, inhibition zone increased to 16.7 mm for samples containing both caffeine and ascorbic acid. Animals treated with ascorbic acid showed collagen deposition and very few fibroblast cells. Blood vessels and fibroblasts were increased in caffeine-loaded dressings compared with the ascorbic acid group. The findings of the present work suggest the benefits of topical ascorbic acid and caffeine for its high wound healing effects.
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17
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Extracellular matrix-cell interactions: Focus on therapeutic applications. Cell Signal 2019; 66:109487. [PMID: 31778739 DOI: 10.1016/j.cellsig.2019.109487] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Revised: 11/25/2019] [Accepted: 11/25/2019] [Indexed: 02/06/2023]
Abstract
Extracellular matrix (ECM) macromolecules together with a multitude of different molecules residing in the extracellular space play a vital role in the regulation of cellular phenotype and behavior. This is achieved via constant reciprocal interactions between the molecules of the ECM and the cells. The ECM-cell interactions are mediated via cell surface receptors either directly or indirectly with co-operative molecules. The ECM is also under perpetual remodeling process influencing cell-signaling pathways on its part. The fragmentation of ECM macromolecules provides even further complexity for the intricate environment of the cells. However, as long as the interactions between the ECM and the cells are in balance, the health of the body is retained. Alternatively, any dysregulation in these interactions can lead to pathological processes and finally to various diseases. Thus, therapeutic applications that are based on retaining normal ECM-cell interactions are highly rationale. Moreover, in the light of the current knowledge, also concurrent multi-targeting of the complex ECM-cell interactions is required for potent pharmacotherapies to be developed in the future.
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Shi M, Zhang H, Song T, Liu X, Gao Y, Zhou J, Li Y. Sustainable Dual Release of Antibiotic and Growth Factor from pH-Responsive Uniform Alginate Composite Microparticles to Enhance Wound Healing. ACS APPLIED MATERIALS & INTERFACES 2019; 11:22730-22744. [PMID: 31141337 DOI: 10.1021/acsami.9b04750] [Citation(s) in RCA: 80] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Hydrogel-based wound dressings provided a moist microenvironment and local release of bioactive molecules. Single drug loading along with fast release rates and usually in hydrogel sheets limited their performance. Hence, uniform alginate/CaCO3 composite microparticles (∼430 μm) with tunable compositions for sustainable release of drug and pH-sensitivity were successfully fabricated using microfluidic technology. Due to the presence of CaCO3 and the strong interactions with alginate molecules, lyophilized composite microparticles reverted to hydrogel state after rehydration. Regardless of microparticle states (hydrogel or lyophilized) and pH values (6.4 or 7.4), in vitro release rates of model drug were inversely related with CaCO3 concentrations and much lower than that for pure alginate microparticles. The release rate at pH 6.4 (simulating wound microenvironment) was always slower than that at pH 7.4 for the same type of microparticles. Rifamycin and basic fibroblast growth factor (bFGF) were independently encapsulated into AD-5-R and AD-40-F to achieve a fast release of rifamycin and a slower, more sustained release of bFGF, respectively; CD-F-R was a mixture of AD-5-R and AD-40-F at weight ratio 1/1. For AD-5-R and CD-F-R, inhibition zones of S. aureus were observed until day 5, showing a sustained antibacterial property. On the basis of in vitro wound healing model of NIH-3T3 cell micropattern on glass coverslips with a hole array, it was found that AD-40-F and CD-F-R significantly promoted cell proliferation and migration rates. In a full-thickness skin wound model of rats, CD-F-R microparticles significantly accelerated wound healing with higher granulation tissue thickness and better bioactivity to stimulate angiogenesis than the control group. Furthermore, CD-F-R microparticles demonstrated a good biocompatibility and biodegradability in vivo. Taken together, CD-F-R composite microparticles may ideally meet the requirements for different stages during wound healing and demonstrated a good potential to be used as dressing materials.
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Affiliation(s)
- Ming Shi
- Guangdong Provincial Key Laboratory of Sensor Technology and Biomedical Instrument, School of Biomedical Engineering , Sun Yat-sen University , Guangzhou 510006 , Guangdong , P.R. China
- Guangdong Provincial Engineering and Technology Center of Advanced and Portable Medical Devices , Sun Yat-sen University , Guangzhou 510006 , Guangdong , P.R. China
| | - Hao Zhang
- Guangdong Provincial Key Laboratory of Sensor Technology and Biomedical Instrument, School of Biomedical Engineering , Sun Yat-sen University , Guangzhou 510006 , Guangdong , P.R. China
- Guangdong Provincial Engineering and Technology Center of Advanced and Portable Medical Devices , Sun Yat-sen University , Guangzhou 510006 , Guangdong , P.R. China
| | - Ting Song
- Guangdong Provincial Key Laboratory of Sensor Technology and Biomedical Instrument, School of Biomedical Engineering , Sun Yat-sen University , Guangzhou 510006 , Guangdong , P.R. China
- Guangdong Provincial Engineering and Technology Center of Advanced and Portable Medical Devices , Sun Yat-sen University , Guangzhou 510006 , Guangdong , P.R. China
| | - Xiaofang Liu
- Guangdong Provincial Key Laboratory of Sensor Technology and Biomedical Instrument, School of Biomedical Engineering , Sun Yat-sen University , Guangzhou 510006 , Guangdong , P.R. China
- Guangdong Provincial Engineering and Technology Center of Advanced and Portable Medical Devices , Sun Yat-sen University , Guangzhou 510006 , Guangdong , P.R. China
| | - Yunfen Gao
- Guangdong Provincial Key Laboratory of Sensor Technology and Biomedical Instrument, School of Biomedical Engineering , Sun Yat-sen University , Guangzhou 510006 , Guangdong , P.R. China
- Guangdong Provincial Engineering and Technology Center of Advanced and Portable Medical Devices , Sun Yat-sen University , Guangzhou 510006 , Guangdong , P.R. China
| | - Jianhua Zhou
- Guangdong Provincial Key Laboratory of Sensor Technology and Biomedical Instrument, School of Biomedical Engineering , Sun Yat-sen University , Guangzhou 510006 , Guangdong , P.R. China
- Guangdong Provincial Engineering and Technology Center of Advanced and Portable Medical Devices , Sun Yat-sen University , Guangzhou 510006 , Guangdong , P.R. China
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital , Harvard Medical School , Cambridge , Massachusetts 02139 , United States
| | - Yan Li
- Guangdong Provincial Key Laboratory of Sensor Technology and Biomedical Instrument, School of Biomedical Engineering , Sun Yat-sen University , Guangzhou 510006 , Guangdong , P.R. China
- Guangdong Provincial Engineering and Technology Center of Advanced and Portable Medical Devices , Sun Yat-sen University , Guangzhou 510006 , Guangdong , P.R. China
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19
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Kazi GA, Yamamoto O. Effectiveness of the sodium alginate as surgical sealant materials. ACTA ACUST UNITED AC 2019. [DOI: 10.1016/j.wndm.2019.02.001] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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20
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Simões D, Miguel SP, Ribeiro MP, Coutinho P, Mendonça AG, Correia IJ. Recent advances on antimicrobial wound dressing: A review. Eur J Pharm Biopharm 2018; 127:130-141. [DOI: 10.1016/j.ejpb.2018.02.022] [Citation(s) in RCA: 511] [Impact Index Per Article: 85.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Revised: 02/07/2018] [Accepted: 02/16/2018] [Indexed: 12/15/2022]
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21
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Bi-layered nanocomposite bandages for controlling microbial infections and overproduction of matrix metalloproteinase activity. Int J Biol Macromol 2018; 110:124-132. [DOI: 10.1016/j.ijbiomac.2017.12.043] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2017] [Revised: 11/23/2017] [Accepted: 12/06/2017] [Indexed: 12/19/2022]
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22
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Tort S, Acartürk F, Beşikci A. Evaluation of three-layered doxycycline-collagen loaded nanofiber wound dressing. Int J Pharm 2017; 529:642-653. [DOI: 10.1016/j.ijpharm.2017.07.027] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Revised: 06/29/2017] [Accepted: 07/08/2017] [Indexed: 12/30/2022]
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Shamma RN, Elkasabgy NA, Mahmoud AA, Gawdat SI, Kataia MM, Abdel Hamid MA. Design of novel injectable in-situ forming scaffolds for non-surgical treatment of periapical lesions: In-vitro and in-vivo evaluation. Int J Pharm 2017; 521:306-317. [PMID: 28235624 DOI: 10.1016/j.ijpharm.2017.02.058] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2016] [Revised: 02/18/2017] [Accepted: 02/20/2017] [Indexed: 10/20/2022]
Abstract
Periapical lesions are considered one of the common pathological conditions affecting alveolar bone. The primary focus of this study was to investigate the effectiveness of formulating an injectable in-situ forming scaffold-loaded with risedronate (bone resorption inhibitor) and with lornoxicam (anti-inflammatory drug) for the non-surgical treatment of periapical lesions. The scaffolds were prepared using solvent-induced phase inversion technique. Two insoluble copolymers were investigated namely; PLGA (ester-terminal) and PLGA-A (acid-terminal), additionally, SAIB was added as a high viscosity water-insoluble carrier. The addition of porogenic agents like hydrolyzed collagen was also investigated. The prepared scaffolds were characterized by analyzing their in-vitro release, DSC and rheological properties, besides their morphological properties. The results showed that the scaffolds prepared using 30% (w/v) PLGA or combined PLGA: SAIB (1:1, w/w) with total polymer concentration of 30% (w/v) possessed the most sustained drug release profile. Selected scaffolds were tested for their therapeutic effect to study the effect of porogenic agent, anti-inflammatory drug and risedronate in periapical lesions induced in dogs' teeth. Results declared that the selected scaffolds succeeded in improving the inflammation and enhancing the formation of new bony regions confirming the success of the prepared scaffolds as an innovative approach in the treatment of bone defects.
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Affiliation(s)
- Rehab N Shamma
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Kasr El-Aini Street, Cairo, Egypt
| | - Nermeen A Elkasabgy
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Kasr El-Aini Street, Cairo, Egypt.
| | - Azza A Mahmoud
- Department of Pharmaceutical Technology, National Research Center, Dokki, Cairo, Egypt; Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmaceutical Sciences and Pharmaceutical Industries, Future University in Egypt, Cairo, Egypt
| | - Shaimaa I Gawdat
- Department of Endodontics, Faculty of Oral and Dental Medicine, Cairo University, Cairo, Egypt
| | - Mohamed M Kataia
- Department of Endodontic, Faculty of Dentistry, Minia University, Cairo, Egypt
| | - Mohamed A Abdel Hamid
- Department of Surgery, Anaesthiology and Radiology, Faculty of Veterinary Medicine, Cairo University, Cairo, Egypt
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Björn C, Mahlapuu M, Mattsby-Baltzer I, Håkansson J. Anti-infective efficacy of the lactoferrin-derived antimicrobial peptide HLR1r. Peptides 2016; 81:21-8. [PMID: 27155369 DOI: 10.1016/j.peptides.2016.04.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2016] [Revised: 04/29/2016] [Accepted: 04/30/2016] [Indexed: 10/21/2022]
Abstract
Antimicrobial peptides (AMPs) have emerged as a new class of drug candidates for the treatment of infectious diseases. Here we describe a novel AMP, HLR1r, which is structurally derived from the human milk protein lactoferrin and demonstrates a broad spectrum microbicidal action in vitro. The minimum concentration of HLR1r needed for killing ≥99% of microorganisms in vitro, was in the range of 3-50μg/ml for common Gram-negative and Gram-positive bacteria, including methicillin-resistant Staphylococcus aureus (MRSA), and for the yeast Candida albicans, when assessed in diluted brain-heart infusion medium. We found that HLR1r also possesses anti-inflammatory properties as evidenced by inhibition of tumor necrosis factor alpha (TNF-α) secretion from human monocyte-derived macrophages and by repression of interleukin-6 (IL-6) and plasminogen activator inhibitor-1 (PAI-1) secretion from human mesothelial cells, without any cytotoxic effect observed at the concentration range tested (up to 400μg/ml). HLR1r demonstrated pronounced anti-infectious effect in in vivo experimental models of cutaneous candidiasis in mice and of excision wounds infected with MRSA in rats as well as in an ex vivo model of pig skin infected with S. aureus. In conclusion, HLR1r may constitute a new therapeutic alternative for local treatment of skin infections.
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Affiliation(s)
- Camilla Björn
- Pergamum AB, Karolinska Institutet Science Park, Fogdevreten 2, SE-171 65 Solna, Sweden; SP Technical Research Institute of Sweden, Medical Device Technology, Box 857, SE-501 15 Borås, Sweden; The Lundberg Laboratory for Diabetes Research, Department of Molecular and Clinical Medicine, The Sahlgrenska Academy at University of Gothenburg, Blå stråket 5, SE-413 45 Gothenburg, Sweden
| | - Margit Mahlapuu
- Pergamum AB, Karolinska Institutet Science Park, Fogdevreten 2, SE-171 65 Solna, Sweden; The Lundberg Laboratory for Diabetes Research, Department of Molecular and Clinical Medicine, The Sahlgrenska Academy at University of Gothenburg, Blå stråket 5, SE-413 45 Gothenburg, Sweden
| | - Inger Mattsby-Baltzer
- Department of Infectious Diseases, Institute of Biomedicine, The Sahlgrenska Academy at University of Gothenburg, Box 440, SE-405 30 Gothenburg, Sweden
| | - Joakim Håkansson
- Pergamum AB, Karolinska Institutet Science Park, Fogdevreten 2, SE-171 65 Solna, Sweden; SP Technical Research Institute of Sweden, Medical Device Technology, Box 857, SE-501 15 Borås, Sweden.
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25
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Bhattacharjee A, Kumar K, Arora A, Katti DS. Fabrication and characterization of Pluronic modified poly(hydroxybutyrate) fibers for potential wound dressing applications. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 63:266-73. [DOI: 10.1016/j.msec.2016.02.074] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2015] [Revised: 02/15/2016] [Accepted: 02/26/2016] [Indexed: 11/27/2022]
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Abstract
INTRODUCTION Complete regeneration and restoration of the skin's structure and function with no or minimal scarring remains the goal of wound healing research. Novel pharmaceutical carriers have the potential to deliver wound healing drugs such as antibiotics, antimicrobials, human EGFs, and so on. Thus, offering a potential platform to overcome the limitations of conventional wound dressings. AREAS COVERED This review will describe various techniques such as microspheres, nanoparticles, liposomes, solid lipid nanoparticles, nano and microemulsions, sponges and wafers, and so on, that are successfully applied as carriers for wound healing drugs. Results of various studies including in vitro and in vivo experiments are also discussed. EXPERT OPINION Controlled and localized delivery of wound healing drugs to the wounds is more convenient than systemic administration as higher concentrations of the medication are delivered directly to the desired area in a sustained manner. They are also capable of providing optimum environmental conditions to facilitate wound healing while eliminating the need for frequent changes of dressings. As the number of people suffering from chronic wounds is increasing around the world, controlled delivery of wound healing agents have enormous potential for patient-friendly wound management.
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Affiliation(s)
- Lalduhsanga Pachuau
- a Department of Pharmaceutical Sciences, Assam University , Silchar, Assam 788011, India +91 986 236 2392 ;
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27
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Jridi M, Bardaa S, Moalla D, Rebaii T, Souissi N, Sahnoun Z, Nasri M. Microstructure, rheological and wound healing properties of collagen-based gel from cuttlefish skin. Int J Biol Macromol 2015; 77:369-74. [PMID: 25796451 DOI: 10.1016/j.ijbiomac.2015.03.020] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2015] [Revised: 03/06/2015] [Accepted: 03/10/2015] [Indexed: 01/01/2023]
Abstract
Collagen-based biomaterials are of the utmost importance for tissue engineering and regenerative medicine. The aims of the present investigation were to evaluate structural and rheological properties of collagen-based gel obtained from cuttlefish skin, and to investigate its ability to enhance wound healing. Scanning electron microscopy of resulted gel showed a dense fibrillar microstructure with high interconnection network with a smaller pore size. In addition, the rheological characterization of collagen gel showed an excellent reversibility, when subjected to a temperature variation. Moreover, in the wound-healing study, topical application of collagen based gel increased significantly the percentage of wound closure over a period of 12 days, when compared to the untreated and CICAFLORA(®)-treated groups. Wound-healing activity of collagen gel was confirmed by histopathology study. Thus, cuttlefish collagen based gel might be useful as a wound healing agent.
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Affiliation(s)
- Mourad Jridi
- Laboratoire de Génie Enzymatique et de Microbiologie, Université de Sfax, Ecole Nationale d'Ingénieurs de Sfax, B.P. 1173-3038 Sfax, Tunisia.
| | - Sana Bardaa
- Laboratoire de Pharmacologie, Faculté de Médecine Sfax, Avenue Majida Boulila, 3028 Sfax, Tunisia
| | - Dorsaf Moalla
- Laboratoire de Pharmacologie, Faculté de Médecine Sfax, Avenue Majida Boulila, 3028 Sfax, Tunisia
| | - Tarak Rebaii
- Laboratoire d'Histologie Embryologie, Faculté de Médecine Sfax, Avenue Majida Boulila, 3028 Sfax, Tunisia
| | - Nabil Souissi
- Laboratoire de Biodiversité et de Biotechnologie Marine, Institut National des Sciences et Technologies de la Mer, Centre de Sfax, B.P. 1037-3018 Sfax, Tunisia
| | - Zouheir Sahnoun
- Laboratoire de Pharmacologie, Faculté de Médecine Sfax, Avenue Majida Boulila, 3028 Sfax, Tunisia
| | - Moncef Nasri
- Laboratoire de Génie Enzymatique et de Microbiologie, Université de Sfax, Ecole Nationale d'Ingénieurs de Sfax, B.P. 1173-3038 Sfax, Tunisia
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Poranki D, Whitener W, Howse S, Mesen T, Howse E, Burnell J, Greengauz-Roberts O, Molnar J, Van Dyke M. Evaluation of skin regeneration after burns in vivo and rescue of cells after thermal stress in vitro following treatment with a keratin biomaterial. J Biomater Appl 2013; 29:26-35. [DOI: 10.1177/0885328213513310] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Thermal burns typically display an injury pattern dictated by the transfer of the thermal energy into the skin and underlying tissues and creation of three zones of injury represented by a necrotic zone of disrupted cells and tissue, an intermediate zone of injured and dying cells, and a distant zone of stressed cells that will recover with proper treatment. The wound healing capabilities of a keratin biomaterial hydrogel were studied in two pilot studies, one using a chemical burn model in mice and the other a thermal burn model in swine. In both studies, keratin was shown to prevent enlargement of the initial wound area and promote faster wound closure. Interestingly, treating thermally stressed dermal fibroblast in culture demonstrated that soluble keratin was able to maintain cell viability and promote proliferation. Separation of so-called alpha and gamma fractions of the keratin biomaterial had differential effects, with the gamma fraction producing more pronounced cell survival and recovery. These results suggest that the gamma fraction, composed essentially of degraded alpha keratin proteins, may facilitate cell rescue after thermal injury. Treatment of burns with gamma keratin may therefore represent a potential therapy for wounds with an intermediate zone of damaged tissue that has the potential to contribute to spontaneous healing.
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Affiliation(s)
- D Poranki
- Wake Forest School of Medicine, Wake Forest Institute for Regenerative Medicine, Winston Salem, NC, USA
| | - W Whitener
- Wake Forest School of Medicine, Wake Forest Institute for Regenerative Medicine, Winston Salem, NC, USA
| | - S Howse
- Wake Forest School of Medicine, Wake Forest Institute for Regenerative Medicine, Winston Salem, NC, USA
| | - T Mesen
- Wake Forest School of Medicine, Wake Forest Institute for Regenerative Medicine, Winston Salem, NC, USA
| | - E Howse
- Wake Forest School of Medicine, Wake Forest Institute for Regenerative Medicine, Winston Salem, NC, USA
| | - J Burnell
- Wake Forest School of Medicine, Wake Forest Institute for Regenerative Medicine, Winston Salem, NC, USA
| | - O Greengauz-Roberts
- Wake Forest School of Medicine, Wake Forest Institute for Regenerative Medicine, Winston Salem, NC, USA
| | - J Molnar
- Department of Plastic and Reconstructive Surgery, Wake Forest School of Medicine, Medical Center Boulevard, Winston Salem, NC, USA
| | - M Van Dyke
- Department of Orthopaedic Surgery, Wake Forest School of Medicine, Medical Center Boulevard, Winston Salem, NC, USA
- Virginia Tech – Wake Forest University School of Biomedical Engineering and Sciences, Blacksburg, VA, USA
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29
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Moura LIF, Dias AMA, Suesca E, Casadiegos S, Leal EC, Fontanilla MR, Carvalho L, de Sousa HC, Carvalho E. Neurotensin-loaded collagen dressings reduce inflammation and improve wound healing in diabetic mice. Biochim Biophys Acta Mol Basis Dis 2013; 1842:32-43. [PMID: 24161538 DOI: 10.1016/j.bbadis.2013.10.009] [Citation(s) in RCA: 85] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2013] [Revised: 09/25/2013] [Accepted: 10/15/2013] [Indexed: 11/18/2022]
Abstract
Impaired wound healing is an important clinical problem in diabetes mellitus and results in failure to completely heal diabetic foot ulcers (DFUs), which may lead to lower extremity amputations. In the present study, collagen based dressings were prepared to be applied as support for the delivery of neurotensin (NT), a neuropeptide that acts as an inflammatory modulator in wound healing. The performance of NT alone and NT-loaded collagen matrices to treat wounds in streptozotocin (STZ) diabetic induced mice was evaluated. Results showed that the prepared dressings were not-cytotoxic up to 72h after contact with macrophages (Raw 264.7) and human keratinocyte (HaCaT) cell lines. Moreover, those cells were shown to adhere to the collagen matrices without noticeable change in their morphology. NT-loaded collagen dressings induced faster healing (17% wound area reduction) in the early phases of wound healing in diabetic wounded mice. In addition, they also significantly reduced inflammatory cytokine expression namely, TNF-α (p<0.01) and IL-1β (p<0.01) and decreased the inflammatory infiltrate at day 3 post-wounding (inflammatory phase). After complete healing, metalloproteinase 9 (MMP-9) is reduced in diabetic skin (p<0.05) which significantly increased fibroblast migration and collagen (collagen type I, alpha 2 (COL1A2) and collagen type III, alpha 1 (COL3A1)) expression and deposition. These results suggest that collagen-based dressings can be an effective support for NT release into diabetic wound enhancing the healing process. Nevertheless, a more prominent scar is observed in diabetic wounds treated with collagen when compared to the treatment with NT alone.
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Affiliation(s)
- Liane I F Moura
- Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal; CIEPQPF, Chemical Engineering Department, FCTUC-University of Coimbra, Coimbra, Portugal
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30
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Moura LIF, Dias AMA, Carvalho E, de Sousa HC. Recent advances on the development of wound dressings for diabetic foot ulcer treatment--a review. Acta Biomater 2013; 9:7093-114. [PMID: 23542233 DOI: 10.1016/j.actbio.2013.03.033] [Citation(s) in RCA: 462] [Impact Index Per Article: 42.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2012] [Revised: 03/06/2013] [Accepted: 03/21/2013] [Indexed: 12/13/2022]
Abstract
Diabetic foot ulcers (DFUs) are a chronic, non-healing complication of diabetes that lead to high hospital costs and, in extreme cases, to amputation. Diabetic neuropathy, peripheral vascular disease, abnormal cellular and cytokine/chemokine activity are among the main factors that hinder diabetic wound repair. DFUs represent a current and important challenge in the development of novel and efficient wound dressings. In general, an ideal wound dressing should provide a moist wound environment, offer protection from secondary infections, remove wound exudate and promote tissue regeneration. However, no existing dressing fulfills all the requirements associated with DFU treatment and the choice of the correct dressing depends on the wound type and stage, injury extension, patient condition and the tissues involved. Currently, there are different types of commercially available wound dressings that can be used for DFU treatment which differ on their application modes, materials, shape and on the methods employed for production. Dressing materials can include natural, modified and synthetic polymers, as well as their mixtures or combinations, processed in the form of films, foams, hydrocolloids and hydrogels. Moreover, wound dressings may be employed as medicated systems, through the delivery of healing enhancers and therapeutic substances (drugs, growth factors, peptides, stem cells and/or other bioactive substances). This work reviews the state of the art and the most recent advances in the development of wound dressings for DFU treatment. Special emphasis is given to systems employing new polymeric biomaterials, and to the latest and innovative therapeutic strategies and delivery approaches.
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Affiliation(s)
- Liane I F Moura
- Center for Neuroscience and Cell Biology, University of Coimbra, 3004-517 Coimbra, Portugal
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Dai T, Kharkwal GB, Tanaka M, Huang YY, Bil de Arce VJ, Hamblin MR. Animal models of external traumatic wound infections. Virulence 2011; 2:296-315. [PMID: 21701256 DOI: 10.4161/viru.2.4.16840] [Citation(s) in RCA: 101] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Despite advances in traumatic wound care and management, infections remain a leading cause of mortality,morbidity and economic disruption in millions of wound patients around the world. Animal models have become standard tools for studying a wide array of external traumatic wound infections and testing new antimicrobial strategies. RESULTS Animal models of external traumatic wound infections reported by different investigators vary in animal species used, microorganism strains, the number of microorganisms applied, the size of the wounds and for burn infections, the length of time the heated object or liquid is in contact with the skin. METHODS This review covers experimental infections in animal models of surgical wounds, skin abrasions, burns, lacerations,excisional wounds and open fractures. CONCLUSIONS As antibiotic resistance continues to increase,more new antimicrobial approaches are urgently needed.These should be tested using standard protocols for infections in external traumatic wounds in animal models.
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Affiliation(s)
- Tianhong Dai
- Wellman Center for Photomedicine, Massachusetts General Hospital, USA
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32
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Parenteau-Bareil R, Gauvin R, Berthod F. Collagen-Based Biomaterials for Tissue Engineering Applications. MATERIALS 2010. [PMCID: PMC5445871 DOI: 10.3390/ma3031863] [Citation(s) in RCA: 669] [Impact Index Per Article: 47.8] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Rémi Parenteau-Bareil
- Laboratoire d’Organogénèse Expérimentale (LOEX), Centre de recherche FRSQ du CHA universitaire de Québec, Hôpital du Saint-Sacrement, Québec, QC, G1S 4L8 Canada; E-Mails: (R.P.B.); (R.G.)
- Département de chirurgie, Faculté de médecine, Université Laval, Québec, QC, G1V 0A6 Canada
| | - Robert Gauvin
- Laboratoire d’Organogénèse Expérimentale (LOEX), Centre de recherche FRSQ du CHA universitaire de Québec, Hôpital du Saint-Sacrement, Québec, QC, G1S 4L8 Canada; E-Mails: (R.P.B.); (R.G.)
- Département de chirurgie, Faculté de médecine, Université Laval, Québec, QC, G1V 0A6 Canada
| | - François Berthod
- Laboratoire d’Organogénèse Expérimentale (LOEX), Centre de recherche FRSQ du CHA universitaire de Québec, Hôpital du Saint-Sacrement, Québec, QC, G1S 4L8 Canada; E-Mails: (R.P.B.); (R.G.)
- Département de chirurgie, Faculté de médecine, Université Laval, Québec, QC, G1V 0A6 Canada
- Author to whom correspondence should be addressed; E-Mail: ; Tel.: +1-418-682-7565; Fax: +1-418-682-8000
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