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Gupta R, Verma D. Ultrafast gelling bioadhesive based on blood plasma and gelatin for wound closure and healing. Biomed Mater 2024; 19:045001. [PMID: 38657627 DOI: 10.1088/1748-605x/ad42ec] [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: 02/23/2024] [Accepted: 04/24/2024] [Indexed: 04/26/2024]
Abstract
Tissue adhesives offer a plethora of advantages in achieving efficient wound closure over conventional sutures and staples. Such materials are of great value, especially in cases where suturing could potentially damage tissues or compromise blood flow or in cases of hard-to-reach areas. Besides providing wound closure, the tissue adhesives must also facilitate wound healing. Previously, plasma-based tissue adhesives and similar bioinspired strategies have been utilized to aid in wound healing. Still, their application is constrained by factors such as high cost, diminished biocompatibility, prolonged gelation times, inadequate swelling, quick resorption, as well as short-term and inconsistent efficacy. To address these limitations, we report the development of a highly biocompatible and ultrafast-gelling tissue adhesive hydrogels. Freeze-dried platelet-rich plasma, heat-denatured freeze-dried platelet-poor plasma, and gelatin were utilized as the base matrix. Gelation was initiated by adding tetrakis hydroxymethyl phosphonium chloride. The fabricated gels displayed rapid gelation (3-4 s), low swelling, increased proliferation, and migration against L929 cells and had porcine skin tissue adhesion strength similar to that of plasma-based commercial glue (Tisseel®).
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Affiliation(s)
- Ritvesh Gupta
- Department of Biotechnology and Medical Engineering, National Institute of Technology, Rourkela, Odisha 769008, India
| | - Devendra Verma
- Department of Biotechnology and Medical Engineering, National Institute of Technology, Rourkela, Odisha 769008, India
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Al-Hadi MAA. Combination of stem cell-derived secretome from human exfoliated deciduous teeth with Yemeni Sidr honey on cell viability and migration: an in vitro study. BDJ Open 2024; 10:21. [PMID: 38480735 PMCID: PMC10937720 DOI: 10.1038/s41405-024-00197-5] [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: 11/14/2023] [Revised: 02/05/2024] [Accepted: 02/06/2024] [Indexed: 03/17/2024] Open
Abstract
INTRODUCTION Bone diseases have a profound global impact, especially when the body's innate regenerative capacity falls short in the face of extensive damage. Stem cells from human exfoliated deciduous teeth (SHEDs), discovered in 2003, offer a promising solution for tissue repair, as they self-renew naturally and are easily obtainable. Mesenchymal stem cells (MSCs), including SHEDs, are believed to promote tissue regeneration by releasing growth factors, collectively known as the secretome. AIMS This study explored the potential of combining SHED-derived secretome with Yemeni Sidr honey to improve osteoblast and fibroblast cell viability and migration. MATERIALS AND METHODS The experiment involved treating cell cultures of two types of rat cell lines - 7F2 osteoblast and BHK-21 fibroblast immortalized cells - with SHED-derived secretome and Yemeni Sidr honey. After the treatment, cell viability was measured using the MTT assay, which calculates OD at 590 nm. Additionally, the scratch assay was conducted to evaluate cell migration, and ImageJ software was used for data processing. RESULTS The findings indicated that combining SHED-derived secretome and Yemeni Sidr honey enhanced osteoblast and fibroblast cell viability and migration. Furthermore, the study highlighted the difference in the stimulative potential of SHED-derived secretome, Yemeni Sidr honey, and their combination, on the viability and migration of the cultured cells. CONCLUSION The research concludes that combining SHED-derived secretome with Yemeni Sidr honey has the potential to promote cell viability and migration in in-vitro settings. The synergistic application of these substances has been found to be more effective -when combined in a dose-dependent manner- than their counterparts. Overall, the current study serves as a foundation for further investigations to establish if the explored substance has any useful clinical applications.
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Affiliation(s)
- Mona Abdulrahman Abdullah Al-Hadi
- Faculty of Dentistry, Airlangga University, Surabaya, Indonesia.
- Faculty of Dentistry, University of Science and Technology, Sana'a, Yemen.
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Korani S, Khalesi N, Korani M, Jamialahmadi T, Sahebkar A. Applications of honeybee-derived products in bone tissue engineering. Bone Rep 2024; 20:101740. [PMID: 38304620 PMCID: PMC10831168 DOI: 10.1016/j.bonr.2024.101740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Revised: 12/05/2023] [Accepted: 01/17/2024] [Indexed: 02/03/2024] Open
Abstract
Nowadays, there is an increasing prevalence of bone diseases and defects caused by trauma, cancers, infections, and degenerative and inflammatory conditions. The restoration of bone tissue lost due to trauma, fractures, or surgical removal resulting from locally invasive pathologies requires bone regeneration. As an alternative to conventional treatments, sustainable materials based on natural products, such as honeybee-derived products (honey, propolis, royal jelly, bee pollen, beeswax, and bee venom), could be considered. Honeybee-derived products, particularly honey, have long been recognized for their healing properties. There are a mixture of phytochemicals that offer bone protection through their antimicrobial, antioxidant, and anti-inflammatory properties. This review aims to summarize the current evidence regarding the effects of honeybee-derived products on bone regeneration. In conclusion, honey, propolis, royal jelly, beeswax, and bee venom can potentially serve as natural products for promoting bone health.
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Affiliation(s)
- Shahla Korani
- Research Center of Oils and Fats, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Naeemeh Khalesi
- Biotechnology Department, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Science, Tehran, Iran
| | - Mitra Korani
- Research Center of Oils and Fats, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Tannaz Jamialahmadi
- Medical Toxicology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Amirhossein Sahebkar
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
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Chatzimisios K, Tsioli V, Brellou GD, Apostolopoulou EP, Angelou V, Pratsinakis ED, Cremers NAJ, Papazoglou LG. Evaluation of the Effectiveness of Medical-Grade Honey and Hypericum Perforatum Ointment on Second-Intention Healing of Full-Thickness Skin Wounds in Cats. Animals (Basel) 2023; 14:36. [PMID: 38200767 PMCID: PMC10778018 DOI: 10.3390/ani14010036] [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: 10/21/2023] [Revised: 12/13/2023] [Accepted: 12/18/2023] [Indexed: 01/12/2024] Open
Abstract
This study aimed to determine the effects of two topical treatments on second-intention wound healing in cats. Eight 2 × 2 cm full-thickness wounds were created, four on each side of the dorsal midline of eight laboratory cats, to receive either medical-grade honey ointment (MGH) and its control (HC), or Hypericum-based ointment (HP) and its control (HPC). MGH or HP ointment was applied to four wounds on the same side, while the remaining four were used as controls, chosen at random. Planimetry, laser Doppler flowmetry, daily physical examinations, and histologic examinations on days 0, 7, 14, and 25 were used to assess the healing of wounds. Tissue perfusion was better in the MGH-treated (2.14 ± 0.18 mm/s) and HP-treated wounds (2.02 ± 0.13 mm/s) than in the untreated controls HC (1.59 ± 0.11 mm/s) and HPC (1.60 ± 0.05 mm/s), respectively (p = 0.001). Histopathology revealed that the median edema score was lower in the MGH-treated (2; range 1-4) compared to the HC-treated wounds (3; range 2-4) on day 7 (p < 0.05). The median angiogenesis score was higher on day 7 in the MGH-treated (2; range 1-3) compared to the HP-treated wounds (2; range 1-2) (p = 0.046). The fibroblast concentration was increased in the MGH-treated wounds (3.5; range 3-4) compared to the HP-treated wounds (3; range 2-4) on day 25 (p = 0.046). MGH and HP increased tissue perfusion compared to the untreated controls. The MGH-treated wounds had histologic parameters superior to the HP-treated wounds regarding angiogenesis and fibroblast concentration in cutaneous wound healing in cats. Topical application of MGH and HP did not accelerate the healing process of feline cutaneous wounds.
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Affiliation(s)
- Kyriakos Chatzimisios
- Unit of Surgery and Obstetrics, Companion Animal Clinic, School of Veterinary Medicine, Faculty of HealthSciences, Aristotle University of Thessaloniki, 54627 Thessaloniki, Greece; (K.C.)
| | - Vassiliki Tsioli
- Clinic of Surgery, School of Veterinary Medicine, University of Thessaly, 224 Trikalon Street, Box Office 199, 43100 Karditsa, Greece
| | - Georgia D. Brellou
- Laboratory of Pathology, School of Veterinary Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece; (G.D.B.); (E.P.A.)
| | - Emmanouela P. Apostolopoulou
- Laboratory of Pathology, School of Veterinary Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece; (G.D.B.); (E.P.A.)
| | - Vasileia Angelou
- Unit of Surgery and Obstetrics, Companion Animal Clinic, School of Veterinary Medicine, Faculty of HealthSciences, Aristotle University of Thessaloniki, 54627 Thessaloniki, Greece; (K.C.)
| | - Emmanouil D. Pratsinakis
- Laboratory of Agronomy, School of Agriculture, Faculty of Agriculture, Forestry and Natural Environment, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece;
| | - Niels A. J. Cremers
- Department of Gynecology and Obstetrics, Maastricht University Medical Center, 6202 AZ Maastricht, The Netherlands;
- Triticum Exploitatie BV/Theomanufacturing BV, Sleperweg 44, 6222 NK Maastricht, The Netherlands
| | - Lysimachos G. Papazoglou
- Unit of Surgery and Obstetrics, Companion Animal Clinic, School of Veterinary Medicine, Faculty of HealthSciences, Aristotle University of Thessaloniki, 54627 Thessaloniki, Greece; (K.C.)
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Sindi AM, Rizg WY, Khan MK, Alkhalidi HM, Alharbi WS, Sabei FY, Alfayez E, Alkharobi H, Korayem M, Majrashi M, Alharbi M, Alissa M, Safhi AY, Jali AM, Hosny KM. Tailoring and optimization of a honey-based nanoemulgel loaded with an itraconazole-thyme oil nanoemulsion for oral candidiasis. Drug Deliv 2023; 30:2173337. [PMID: 36708105 PMCID: PMC9888461 DOI: 10.1080/10717544.2023.2173337] [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] [Indexed: 01/29/2023] Open
Abstract
The use of essential oil-based nanoemulsions (NEs) has been the subject of extensive research on a variety of conditions affecting the oral cavity. NEs are delivery methods that improve the solubility and distribution of lipid medicines to the intended areas. Because of their antibacterial and antifungal properties, itraconazole and thyme oil-based self-nanoemulsifying drug delivery systems (ItZ-ThO-SNEDDS) were created to protect oral health against oral microorganisms. The ItZ-ThO-SNEDDS were created utilizing an extreme verices mixture design, and varying concentrations of ThO (10% and 25%), labrasol (40% and 70%), and transcutol (20% and 40%) were used. The ItZ-ThO-SNEDDS had droplet sizes of less than 250 nm, a drug-loading efficiency of up to 64%, and a fungal growth inhibition zone of up to 20 mm. The accepted design was used to obtain the ideal formulation, which contained ThO in the amount of 0.18 g/ml, labrasol 0.62 g/ml, and transcutol 0.2 g/ml. The best ItZ-ThO-SNEDDS formulation was incorporated into a honey-based gel, which demonstrated improved release of ItZ in vitro and improved transbuccal permeation ex vivo. In addition, when compared with various formulations tested in rats, the optimized loaded emulgel decreased the ulcer index. This study therefore demonstrated that the ItZ-ThO-SNEDDS could offer an effective defense against oral diseases caused by microbial infections.
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Affiliation(s)
- Amal M. Sindi
- Department of Oral Diagnostic Sciences, Faculty of Dentistry, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Waleed Y. Rizg
- Department of Pharmaceutics, Faculty of Pharmacy, King Abdulaziz University, Jeddah21589, Saudi Arabia
| | - Muhammad Khalid Khan
- Department of Biochemical Materials, Beautsway commercial foundation, Cairo, Egypt
| | - Hala M. Alkhalidi
- Department of Clinical Pharmacy, Faculty of Pharmacy, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
| | - Waleed S. Alharbi
- Department of Pharmaceutics, Faculty of Pharmacy, King Abdulaziz University, Jeddah21589, Saudi Arabia
| | - Fahad Y. Sabei
- Department of Pharmaceutics, College of Pharmacy, Jazan University, Jazan45142, Saudi Arabia
| | - Eman Alfayez
- Department of Oral Biology, Faculty of Dentistry, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Hanaa Alkharobi
- Department of Oral Biology, Faculty of Dentistry, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Mohammed Korayem
- Preventive Dental Sciences Department, Faculty of Dentistry, Albaha University, Albaha, Saudi Arabia
| | - Mohammed Majrashi
- Department of Pharmacology, College of Medicine, University of Jeddah, Jeddah, 23890, Saudi Arabia
| | - Majed Alharbi
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Mohammed Alissa
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Prince Sattam bin Abdulaziz University, Al-Kharj, 11942, Saudi Arabia
| | - Awaji Y. Safhi
- Department of Pharmaceutics, College of Pharmacy, Jazan University, Jazan45142, Saudi Arabia
| | - Abdulmajeed M. Jali
- Department of Pharmacology and Toxicology, College of Pharmacy, Jazan University, Saudi Arabia
| | - Khaled M. Hosny
- Department of Pharmaceutics, Faculty of Pharmacy, King Abdulaziz University, Jeddah21589, Saudi Arabia,CONTACT Khaled M. Hosny Department of Pharmaceutics, Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia
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Yong PYA, Yip AJW, Islam F, Hong HJ, Teh YE, Tham CL, Tan JW. The anti-allergic potential of stingless bee honey from different botanical sources via modulation of mast cell degranulation. BMC Complement Med Ther 2023; 23:307. [PMID: 37667314 PMCID: PMC10476411 DOI: 10.1186/s12906-023-04129-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Accepted: 08/16/2023] [Indexed: 09/06/2023] Open
Abstract
BACKGROUND Allergy is an inflammatory disorder affecting around 20% of the global population. The adverse effects of current conventional treatments give rise to the increased popularity of using natural food products as complementary and alternative medicine against allergic diseases. Stingless bee honey, commonly known as Kelulut honey (KH) in Malaysia, has been used locally as a traditional remedy to relieve cough and asthma. This study evaluated the anti-allergic potential of KH collected from four different botanical sources on phorbol ester 12-myristate-3-acetate and calcium ionophore-activated human mast cells. METHODS The present study examined the inhibitory effects of all collected honey on the release of selected inflammatory mediators, such as tumor necrosis factor-α (TNF-α), interleukin (IL)-4, IL-6, IL-8, histamine, and β-hexosaminidase in an activated HMC. Besides that, all honey's total phenolic content (TPC) was also examined, followed by using liquid chromatography with tandem mass spectrometry (LC-MS/MS) to identify the phytochemicals in the honey. Further examination of the identified phytochemicals on their potential interaction with selected signaling molecules in an activated mast cell was conducted using computational methods. RESULTS The results indicated that there were significant inhibitory effects on all selected inflammatory mediators' release by KH sourced from bamboo (BH) and rubber tree (RH) at 0.5% and 1%, but not KH sourced from mango (AH) and noni (EH). BH and RH were found to have higher TPC values and were rich in their phytochemical profiles based on the LC-MS/MS results. Computational studies were employed to determine the possible molecular target of KH through molecular docking using HADDOCK and PRODIGY web servers. CONCLUSIONS In short, the results indicated that KH possesses anti-allergic effects towards an activated HMC, possibly by targeting downstream MAPKs. However, their anti-allergic effects may vary according to their botanical sources. Nevertheless, the present study has provided insight into the potential application of stingless bee honey as a complementary and alternative medicine to treat various allergic diseases.
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Affiliation(s)
- Poi Yi Aw Yong
- School of Science, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, Subang Jaya, 47500, Selangor, Malaysia
| | - Ashley Jia Wen Yip
- School of Science, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, Subang Jaya, 47500, Selangor, Malaysia
| | - Fahmida Islam
- School of Science, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, Subang Jaya, 47500, Selangor, Malaysia
- Australian Regenerative Medicine Institute, Monash University, Clayton, 3800, VIC, Australia
| | - Hui Jing Hong
- School of Science, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, Subang Jaya, 47500, Selangor, Malaysia
- Institute for Research in Molecular Medicine (INFORMM), Universiti Sains Malaysia, Pulau Pinang, 11800, Malaysia
| | - Yi En Teh
- School of Science, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, Subang Jaya, 47500, Selangor, Malaysia
| | - Chau Ling Tham
- Department of Biomedical Science, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, 43400, Selangor, Malaysia.
- Natural Medicines and Products Research Laboratory, Institute of Bioscience, Universiti Putra Malaysia, Serdang, 43400, Selangor, Malaysia.
| | - Ji Wei Tan
- School of Science, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, Subang Jaya, 47500, Selangor, Malaysia.
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Yadav N, Palkhede JD, Kim SY. Anti-Glucotoxicity Effect of Phytoconstituents via Inhibiting MGO-AGEs Formation and Breaking MGO-AGEs. Int J Mol Sci 2023; 24:ijms24087672. [PMID: 37108833 PMCID: PMC10141761 DOI: 10.3390/ijms24087672] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 04/16/2023] [Accepted: 04/18/2023] [Indexed: 04/29/2023] Open
Abstract
The therapeutic benefits of phytochemicals in the treatment of various illnesses and disorders are well documented. They show significant promise for the discovery and creation of novel medications for treating a variety of human diseases. Numerous phytoconstituents have shown antibiotic, antioxidant, and wound-healing effects in the conventional system. Traditional medicines based on alkaloids, phenolics, tannins, saponins, terpenes, steroids, flavonoids, glycosides, and phytosterols have been in use for a long time and are crucial as alternative treatments. These phytochemical elements are crucial for scavenging free radicals, capturing reactive carbonyl species, changing protein glycation sites, inactivating carbohydrate hydrolases, fighting pathological conditions, and accelerating the healing of wounds. In this review, 221 research papers have been reviewed. This research sought to provide an update on the types and methods of formation of methylglyoxal-advanced glycation end products (MGO-AGEs) and molecular pathways induced by AGEs during the progression of the chronic complications of diabetes and associated diseases as well as to discuss the role of phytoconstituents in MGO scavenging and AGEs breaking. The development and commercialization of functional foods using these natural compounds can provide potential health benefits.
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Affiliation(s)
- Neera Yadav
- College of Pharmacy, Gachon University, #191, Hambakmoero, Yeonsu-gu, Incheon 21936, Republic of Korea
- School of Medicine, Kyung Hee University, Dongdaemun-gu, Seoul 02447, Republic of Korea
| | - Jyoti Dnyaneshwar Palkhede
- Department of Chemistry, College of Pharmacy, Gachon University, #191, Hambakmoero, Yeonsu-gu, Incheon 21936, Republic of Korea
| | - Sun-Yeou Kim
- College of Pharmacy, Gachon University, #191, Hambakmoero, Yeonsu-gu, Incheon 21936, Republic of Korea
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Dewey MJ, Collins AJ, Tiffany A, Barnhouse VR, Lu C, Kolliopoulos V, Mutreja I, Hickok NJ, Harley BAC. Evaluation of bacterial attachment on mineralized collagen scaffolds and addition of manuka honey to increase mesenchymal stem cell osteogenesis. Biomaterials 2023; 294:122015. [PMID: 36701999 PMCID: PMC9928779 DOI: 10.1016/j.biomaterials.2023.122015] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 01/06/2023] [Accepted: 01/14/2023] [Indexed: 01/21/2023]
Abstract
The design of biomaterials to regenerate bone is likely to increasingly require modifications that reduce bacterial attachment and biofilm formation as infection during wound regeneration can significantly impede tissue repair and typically requires surgical intervention to restart the healing process. Further, much research on infection prevention in bone biomaterials has focused on modeling of non-resorbable metal alloy materials, whereas an expanding direction of bone regeneration has focused on development of bioresorbable materials. This represents a need for the prevention and understanding of infection in resorbable biomaterials. Here, we investigate the ability of a mineralized collagen biomaterial to natively resist infection and examine how the addition of manuka honey, previously identified as an antimicrobial agent, affects gram positive and negative bacterial colonization and mesenchymal stem cell osteogenesis and vasculature formation. We incorporate manuka honey into these scaffolds via either direct fabrication into the scaffold microarchitecture or via soaking the scaffold in a solution of manuka honey after fabrication. Direct incorporation results in a change in the surface characteristics and porosity of mineralized collagen scaffolds. Soaking scaffolds in honey concentrations higher than 10% had significant negative effects on mesenchymal stem cell metabolic activity. Soaking or incorporating 5% honey had no impact on endothelial cell tube formation. Although solutions of 5% honey reduced metabolic activity of mesenchymal stem cells, MSC-seeded scaffolds displayed increased calcium and phosphorous mineral formation, osteoprotegerin release, and alkaline phosphatase activity. Bacteria cultured on mineralized collagen scaffolds demonstrated surfaces covered in bacteria and no method of preventing infection, and using 10 times the minimal inhibitory concentration of antibiotics did not completely kill bacteria within the mineralized collagen scaffolds, indicating bioresorbable scaffold materials may act to shield bacteria from antibiotics. The addition of 5% manuka honey to scaffolds was not sufficient to prevent P. aeruginosa attachment or consistently reduce the activity of methicillin resistant staphylococcus aureus, and concentrations above 7% manuka honey are likely necessary to impact MRSA. Together, our results suggest bioresorbable scaffolds may create an environment conducive to bacterial growth, and potential trade-offs exist for the incorporation of low levels of honey in scaffolds to increase osteogenic potential of osteoprogenitors while high-levels of honey may be sufficient to reduce gram positive or negative bacteria activity but at the cost of reduced osteogenesis.
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Affiliation(s)
- Marley J Dewey
- Dept. of Materials Science and Engineering, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
| | - Alan J Collins
- Carl R. Woese Institute for Genomic Biology, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
| | - Aleczandria Tiffany
- Dept. of Chemical and Biomolecular Engineering, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
| | - Victoria R Barnhouse
- Dept. of Bioengineering, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
| | - Crislyn Lu
- School of Chemical Sciences, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
| | - Vasiliki Kolliopoulos
- Dept. of Bioengineering, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
| | - Isha Mutreja
- Department of Restorative Science, Minnesota Dental Research Center for Biomaterials and Biomechanics, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Noreen J Hickok
- Department of Orthopaedic Surgery, Sidney Kimmel Medical College of Thomas Jefferson University, Philadelphia, PA 19107, USA
| | - Brendan A C Harley
- Dept. of Materials Science and Engineering, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA; Carl R. Woese Institute for Genomic Biology, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA; Dept. of Chemical and Biomolecular Engineering, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA; Dept. of Bioengineering, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA; Cancer Center at Illinois, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA.
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Rodriguez IA, Strombergsson A, Weinstein R, Maloney A, Hendrix C, Liden B, Fridman R. Preliminary Clinical Evaluation Using a Novel Bioengineered Wound Product to Treat Lower Extremity Ulcers. THE INTERNATIONAL JOURNAL OF LOWER EXTREMITY WOUNDS 2023; 22:139-145. [PMID: 33121306 DOI: 10.1177/1534734620968378] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Diabetes mellitus affects hundreds of millions of people worldwide, each of which have up to a 25% risk of developing a diabetic foot ulcer (DFU) during their lifetime. With poor DFU healing rates using standard of care, advanced treatments are introduced to attempt to close the wound. The objective of this preliminary clinical evaluation was to evaluate lower extremity ulcers treated with a novel bioengineered wound product (BWP). The BWP, a solid absorbable and conformable sheet composed of gelatin, Manuka honey, and hydroxyapatite, was applied on 12 patients with lower extremity ulcers. The patients in this evaluation spanned across 4 sites and had complicated medical histories, including little to no progression of healing with standard of care or treatment with other biomaterials. The ulcers were treated with debridement, BWP placement, dressing, appropriate compression, and offloading as necessary. Weekly follow-up visits were recommended for evaluation, debridement, and BWP reapplication. Nine patients had the BWP applied to aid in full closure. These patients achieved 100% closure within 8 weeks, with a mean closure time of 4.1 weeks. At 4 weeks, the mean percent wound closure was 94%. Three patients had the BWP applied to aid in achieving a healthy wound bed for continued treatment (eg, splitthickness skin graft) and to cover (epithelialization over) an exposed tendon. In all 12 cases, no treatment site infections were observed. The results and observations from this preliminary clinical evaluation suggest that the BWP supports rapid wound closure, a predictor of complete healing for DFUs.
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Affiliation(s)
| | | | | | | | | | - Brock Liden
- Wound Ankle Foot Leg Podiatry Clinic, Pickerington, OH, USA
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Al-Kafaween MA, Alwahsh M, Mohd Hilmi AB, Abulebdah DH. Physicochemical Characteristics and Bioactive Compounds of Different Types of Honey and Their Biological and Therapeutic Properties: A Comprehensive Review. Antibiotics (Basel) 2023; 12:antibiotics12020337. [PMID: 36830249 PMCID: PMC9952753 DOI: 10.3390/antibiotics12020337] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 01/16/2023] [Accepted: 01/26/2023] [Indexed: 02/08/2023] Open
Abstract
Honey is considered to be a functional food with health-promoting properties. However, its potential health benefits can be affected by individual composition that varies between honey types. Although studies describing the health benefits of Tualang honey (TH), Kelulut honey (KH), and Sidr honey (SH) are scarce, these honey types showed a comparable therapeutic efficacy to Manuka honey (MH). The purpose of this review is to characterise the physicochemical, biological, and therapeutic properties of TH, KH, and SH. Findings showed that these honeys have antibacterial, antifungal, antiviral, antioxidant, antidiabetic, antiobesity, anticancer, anti-inflammatory and wound-healing properties and effects on the cardiovascular system, nervous system, and respiratory system. The physicochemical characteristics of TH, KH, and SH were compared with MH and discussed, and results showed that they have high-quality contents and excellent biological activity sources. Flavonoids and polyphenols, which act as antioxidants, are two main bioactive molecules present in honey. The activity of honey depends on the type of bee, sources of nectar, and the geographic region where the bees are established. In conclusion, TH, KH, and SH could be considered as natural therapeutic agents for various medicinal purposes compared with MH. Therefore, TH, KH, and SH have a great potential to be developed for modern medicinal use.
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Affiliation(s)
- Mohammad A. Al-Kafaween
- Department of Pharmacy, Faculty of Pharmacy, Al-Zaytoonah University of Jordan, Amman 11733, Jordan
- Correspondence: (M.A.A.-K.); (A.B.M.H.); Tel.: +6-099988548 (A.B.M.H.); Fax: +6-096687896 (A.B.M.H.)
| | - Mohammad Alwahsh
- Department of Pharmacy, Faculty of Pharmacy, Al-Zaytoonah University of Jordan, Amman 11733, Jordan
| | - Abu Bakar Mohd Hilmi
- Department of Biomedicine, Faculty of Health Sciences, Universiti Sultan Zainal Abidin, Kuala Nerus 21300, Malaysia
- Correspondence: (M.A.A.-K.); (A.B.M.H.); Tel.: +6-099988548 (A.B.M.H.); Fax: +6-096687896 (A.B.M.H.)
| | - Dina H. Abulebdah
- Department of Pharmacy, Faculty of Pharmacy, Al-Zaytoonah University of Jordan, Amman 11733, Jordan
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11
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Tomić SL, Vuković JS, Babić Radić MM, Filipović VV, Živanović DP, Nikolić MM, Nikodinovic-Runic J. Manuka Honey/2-Hydroxyethyl Methacrylate/Gelatin Hybrid Hydrogel Scaffolds for Potential Tissue Regeneration. Polymers (Basel) 2023; 15:polym15030589. [PMID: 36771889 PMCID: PMC9920545 DOI: 10.3390/polym15030589] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 01/12/2023] [Accepted: 01/18/2023] [Indexed: 01/27/2023] Open
Abstract
Scaffolding biomaterials are gaining great importance due to their beneficial properties for medical purposes. Targeted biomaterial engineering strategies through the synergy of different material types can be applied to design hybrid scaffolding biomaterials with advantageous properties for biomedical applications. In our research, a novel combination of the bioactive agent Manuka honey (MHo) with 2-hydroxyethyl methacrylate/gelatin (HG) hydrogel scaffolds was created as an efficient bioactive platform for biomedical applications. The effects of Manuka honey content on structural characteristics, porosity, swelling performance, in vitro degradation, and in vitro biocompatibility (fibroblast and keratinocyte cell lines) of hybrid hydrogel scaffolds were studied using Fourier transform infrared spectroscopy, the gravimetric method, and in vitro MTT biocompatibility assays. The engineered hybrid hydrogel scaffolds show advantageous properties, including porosity in the range of 71.25% to 90.09%, specific pH- and temperature-dependent swelling performance, and convenient absorption capacity. In vitro degradation studies showed scaffold degradability ranging from 6.27% to 27.18% for four weeks. In vitro biocompatibility assays on healthy human fibroblast (MRC5 cells) and keratinocyte (HaCaT cells) cell lines by MTT tests showed that cell viability depends on the Manuka honey content loaded in the HG hydrogel scaffolds. A sample containing the highest Manuka honey content (30%) exhibited the best biocompatible properties. The obtained results reveal that the synergy of the bioactive agent, Manuka honey, with 2-hydroxyethyl methacrylate/gelatin as hybrid hydrogel scaffolds has potential for biomedical purposes. By tuning the Manuka honey content in HG hydrogel scaffolds advantageous properties of hybrid scaffolds can be achieved for biomedical applications.
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Affiliation(s)
- Simonida Lj. Tomić
- University of Belgrade, Faculty of Technology and Metallurgy, Karnegijeva 4, 11000 Belgrade, Serbia
- Correspondence: ; Tel.: +381-11-3303-630
| | - Jovana S. Vuković
- University of Belgrade, Faculty of Technology and Metallurgy, Karnegijeva 4, 11000 Belgrade, Serbia
| | - Marija M. Babić Radić
- University of Belgrade, Faculty of Technology and Metallurgy, Karnegijeva 4, 11000 Belgrade, Serbia
| | - Vuk. V. Filipović
- University of Belgrade, Institute of Molecular Genetics and Genetic Engineering, Vojvode Stepe 444a, 11000 Belgrade, Serbia
| | - Dubravka P. Živanović
- University of Belgrade, Faculty of Medicine, Department of Dermatology and Venereology, Pasterova 2, 11000 Belgrade, Serbia
- University of Belgrade, University Clinical Center of Serbia, Clinic of Dermatology and Venereology, Pasterova 2, 11000 Belgrade, Serbia
| | - Miloš M. Nikolić
- University of Belgrade, Faculty of Medicine, Department of Dermatology and Venereology, Pasterova 2, 11000 Belgrade, Serbia
- University of Belgrade, University Clinical Center of Serbia, Clinic of Dermatology and Venereology, Pasterova 2, 11000 Belgrade, Serbia
| | - Jasmina Nikodinovic-Runic
- University of Belgrade, Institute of Molecular Genetics and Genetic Engineering, Vojvode Stepe 444a, 11000 Belgrade, Serbia
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12
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A Preliminary Direct Comparison of the Inflammatory Reduction and Growth Factor Production Capabilities of Three Commercially Available Wound Products: Collagen Sheet, Manuka Honey Sheet, and a Novel Bioengineered Collagen Derivative + Manuka Honey + Hydroxyapatite Sheet. Int J Mol Sci 2022; 23:ijms231810670. [PMID: 36142583 PMCID: PMC9503338 DOI: 10.3390/ijms231810670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 09/08/2022] [Accepted: 09/12/2022] [Indexed: 12/02/2022] Open
Abstract
Many commercially available wound products focus on improving one stage of the wound healing cascade. While this targeted approach works for specific wounds, there is a need for products that can reliably and comprehensively progress a wound through multiple stages. This preliminary in vitro study was performed to directly compare the inflammatory reduction and growth factor production effects of three commercially available wound care products: a collagen sheet (COL), a Manuka Honey Calcium Alginate sheet (MH), and a novel bioengineered sheet comprised of a collagen derivative (gelatin), Manuka honey, and hydroxyapatite (BCMH). Macrophages and human dermal fibroblasts were directly seeded on all three commercial products, and supernatants were analyzed for inflammatory markers and growth factors, respectively. Comparing the MMP-9/TIMP-1 ratio, BCMH resulted in 11× lower levels of this inflammation biomarker compared to COL, and 3× lower levels compared to MH. Both the COL and BCMH products created an environment conducive to expression and release of relevant growth factors, while the MH product showed the lowest levels of growth factor expression of all three commercially available products tested. The favorable 11× lower MMP-9/TIMP-1 ratio observed with the BCMH product compared to the COL product suggests that the BCMH products provided a superior comprehensive approach to healthy progression of the wounds by providing an additional benefit of reducing the inflammatory response in vitro.
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13
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Alsarhani WK, Almater AI, Alkharashi MS. Leptospermum Medical Grade Manuka Honey Ointment in the Treatment of Persistent Corneal Epithelial Defect. Ocul Immunol Inflamm 2022:1-4. [PMID: 35522271 DOI: 10.1080/09273948.2022.2070505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
BACKGROUND To study the efficacy of 100% Leptospermum medical grade Manuka honey ointment in persistent corneal epithelial defects (CEDs). METHODS Case series. RESULTS Case 1 was a 25-year-old female patient who presented to the cornea clinic with a persistent CED (3.5 mm), following acanthamoeba keratitis, that had failed to respond to heavy, frequent lubrication drops and ointment. Two weeks later, after starting Leptospermum honey ointment (4 times per day), the CED healed totally. Case 2 was a 48-year diabatic, single-eyed female patient who presented with a persistent CED (1.5 × 1.5 mm) that had failed to respond to heavy, frequent lubrication drops and ointment. The CED healed three weeks after starting Leptospermum honey ointment (4 times per day). CONCLUSIONS Leptospermum honey ointment can be a potential treatment for persistent epithelial defect.
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Affiliation(s)
- Waleed K Alsarhani
- Department of Ophthalmology and Vision Sciences, University of Toronto, Toronto, ON, Canada.,Department of Ophthalmology, King Faisal Specialist Hospital & Research Centre, Riyadh, Saudi Arabia
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14
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Biazar E, Heidari Keshel S, Rezaei Tavirani M, Kamalvand M. Healing effect of acellular fish skin with plasma rich in growth factor on full-thickness skin defects. Int Wound J 2022; 19:2154-2162. [PMID: 35441469 DOI: 10.1111/iwj.13821] [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: 02/14/2022] [Revised: 04/07/2022] [Accepted: 04/07/2022] [Indexed: 11/30/2022] Open
Abstract
Acellular skin as a scaffold has a good potential to regenerate or repair damaged tissues. Growth factors such as Plasma Rich in Growth Factor (PRGF) as a rich source of active proteins can accelerate tissue regeneration. In this study, an acellular scaffold derived from fish skin with growth factors was used to repair full-thickness skin defects in a rat model. Cellular results demonstrated that epithelial cells adhere well to acellular scaffolds. The results of animal studies showed that the groups treated with acellular scaffold and growth factor have a high ability to close and heal wounds on the 28th day after surgery. Histological and staining results showed that in the treated groups with scaffold and growth factor, an epidermal layer was formed with some skin appendages similar to normal skin. Overall, such scaffolds with biological agents can cause an acceptable synergistic effect on skin regeneration and wound healing.
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Affiliation(s)
- Esmaeil Biazar
- Tissue Engineering Group, Department of Biomedical Engineering, Tonekabon Branch, Islamic Azad University, Tonekabon, Iran
| | - Saeed Heidari Keshel
- Medical Nanotechnology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Department of Tissue Engineering and Applied Cell Science, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Mahshad Kamalvand
- Tissue Engineering Group, Department of Biomedical Engineering, Tonekabon Branch, Islamic Azad University, Tonekabon, Iran
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15
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Kodie DO, Oyetayo NS, Aina OO, Eyarefe OD. Nigeria bee honey-enhanced adherence, neovascularisation and epithelisation of full-thickness skin autografts on distal extremities of dogs. BMC Vet Res 2022; 18:94. [PMID: 35272682 PMCID: PMC8915464 DOI: 10.1186/s12917-022-03192-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Accepted: 03/01/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Full thickness skin grafts (FTSGs), although ideal for resurfacing large defects of the distal extremities in veterinary patients, have a high failure rate due to issues of adherence, infection and inadequate revascularisation because of its thickness and high nutritional demand. This study investigated the effect of Nigeria bee honey on FTSG take at the distal extremities of dogs. The study was conducted on 6 adult male Nigerian indigenous dogs using 3 of the 4 limbs of each dog randomly divided into 3 treatment groups: Nigerian bee honey (HON group), platelet-rich plasma (PRP group) and normal saline (CON group). Full-thickness skin wounds (3 cm × 1.5 cm) were created on the lateral aspect of the radioulnar or metatarsal areas and dressed till adequate granulation tissues formed. Donor skins harvested from the lateral thorax of each dog were sutured to the recipient bed following application of the assigned treatment, and evaluated grossly and histologically on days 0, 4, 7, 10, 14, 17, and 21. RESULTS A higher percentage (4/6 representing 66.7%) of complete graft take was observed in the HON and PRP groups as compared to 3/6 (50%) in the CON group. The HON group had a greater percentage (5/6 representing 83.3%) of adhered grafts as compared to the PRP (4/6 representing 66.7%) and CON (3/6 representing 50%) groups at day 4. There was a significant decrease (p = 0.022) in percentage necrosis between the CON and HON/PRP groups on day 10, 14 and 17. The percentage open mesh area for the HON group was significantly lesser at day 4, 7 and 10 when compared with CON (p < 0.001) and at day 4 when compared with PRP (p = 0.001). At histology, graft neovascularisation score was highest in the HON group on days 4, 14 and 21. CONCLUSION Nigeria bee honey enhanced take of meshed full-thickness skin autografts by promoting adherence to the recipient bed, enhancing fibroblast proliferation and collagen laydown, and accelerating the rate of neovascularisation suggesting promising application as an alternative modality to enhance FTSG take.
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Affiliation(s)
- Dorcas Oyueley Kodie
- Department of Veterinary Surgery and Radiology, Faculty of Veterinary Medicine, University of Ibadan, Ibadan, Oyo State, Nigeria
| | - Noah Segun Oyetayo
- Department of Veterinary Surgery and Radiology, Faculty of Veterinary Medicine, University of Ibadan, Ibadan, Oyo State, Nigeria
| | - Oluwasanmi Olayinka Aina
- Department of Veterinary Anatomy, Faculty of Veterinary Medicine, University of Ibadan, Ibadan, Oyo State, Nigeria
| | - Oghenemega David Eyarefe
- Department of Veterinary Surgery and Radiology, Faculty of Veterinary Medicine, University of Ibadan, Ibadan, Oyo State, Nigeria.
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16
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Imam SS, Al-Abbasi FA, Hosawi S, Afzal M, Nadeem MS, Ghoneim MM, Alshehri S, Alzarea SI, Alquraini A, Gupta G, Kazmi I. Role of platelet rich plasma mediated repair and regeneration of cell in early stage of cardiac injury. Regen Ther 2022; 19:144-153. [PMID: 35229012 PMCID: PMC8856949 DOI: 10.1016/j.reth.2022.01.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 01/18/2022] [Accepted: 01/27/2022] [Indexed: 12/12/2022] Open
Abstract
Platelet-rich plasma (PRP) is a widely accepted treatment approach and has heightened the quality of care among physicians. PRP has been used over the last decade to boost clinical results of plastic therapies, periodontal surgery and intra-bony defects. According to certain research, elevated levels of PRP growth factors that could promote tissue repair and have the potential for PRP to be beneficial in regenerating processes that Maxillofacial and Oral Surgeons, Veterinary Officers, Athletic medicine specialists and Dermatologists have long admired. PRP is an autologous whole blood fraction that has a heavy amount of a variety of growth factors such as epidermal growth factor (EGF), Vascular Endothelial Growth Factor (VEGF), hepatocyte growth factor (HGF), fibroblast growth factors (FGFs), transforming growth factor beta-1 (TGF-b), insulin-like growth factor-I (IGF-I) and platelet-derived growth factor (PDGF) which can facilitate repair and regeneration. Moreover, a clinical trial of PRP in severe angina patients has shown its excellent safety profile. However, PRP is a very complex biological substance with an array of active biomolecules, its functions are yet to be fully clarified. In-addition, there was insufficient work assessing possible cardiovascular tissue benefits from PRP. Thus, it still remains necessary to identify the most clinically important cardiovascular applications and further research in clinical scenario need to be validated.
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Affiliation(s)
- Syed Sarim Imam
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Fahad A. Al-Abbasi
- Department of Biochemistry, Faculty of Science, King Abdulaziz University Jeddah 21589 Saudi Arabia
| | - Salman Hosawi
- Department of Biochemistry, Faculty of Science, King Abdulaziz University Jeddah 21589 Saudi Arabia
| | - Muhammad Afzal
- Department of Pharmacology, College of Pharmacy, Jouf University, Sakaka, Aljouf-72341, Saudi Arabia
- Corresponding author.
| | - Muhammad Shahid Nadeem
- Department of Biochemistry, Faculty of Science, King Abdulaziz University Jeddah 21589 Saudi Arabia
| | - Mohammed M. Ghoneim
- Department of Pharmacy Practice, College of Pharmacy, AlMaarefa University, Ad Diriyah 13713, Saudi Arabia
| | - Sultan Alshehri
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Sami I. Alzarea
- Department of Pharmacology, College of Pharmacy, Jouf University, Sakaka, Aljouf-72341, Saudi Arabia
| | - Ali Alquraini
- Department of Pharmaceutical Chemistry, Faculty of Clinical Pharmacy, Al Baha University, Al Baha 65779, Saudi Arabia
| | - Gaurav Gupta
- Department of Pharmacology, School of Pharmacy, Suresh Gyan Vihar University, Jagatpura, Jaipur, India
- Department of Pharmacology, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India
| | - Imran Kazmi
- Department of Biochemistry, Faculty of Science, King Abdulaziz University Jeddah 21589 Saudi Arabia
- Corresponding author.
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17
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Tashkandi H. Honey in wound healing: An updated review. Open Life Sci 2021; 16:1091-1100. [PMID: 34708153 PMCID: PMC8496555 DOI: 10.1515/biol-2021-0084] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 07/02/2021] [Accepted: 07/15/2021] [Indexed: 01/13/2023] Open
Abstract
Wound healing is a complex process with many interdependent pathophysiological and immunological mediators to restore the cellular integrity of damaged tissue. Cutaneous wound healing is the repair response to a multitude of pathologies induced by trauma, surgery, and burn leading to the restoration and functionality of the compromised cells. Many different methods have been employed to treat acute and chronic wounds, such as antimicrobial therapy, as most wounds are susceptible to infection from microbes and are difficult to treat. However, many antimicrobial agents have become ineffective in wound treatment due to the emergence of multiple drug-resistant bacteria, and failures in current wound treatment methods have been widely reported. For this reason, alternative therapies have been sought, one of which is the use of honey as a wound treatment agent. The use of honey has recently gained clinical popularity for possible use in wound treatment and regenerative medicine. With this high demand, a better delivery and application procedure is required, as well as research aiming at its bioactivity. Honey is a safe natural substance, effective in the inhibition of bacterial growth and the treatment of a broad range of wound types, including burns, scratches, diabetic boils (Skin abscesses associated with diabetic), malignancies, leprosy, fistulas, leg ulcers, traumatic boils, cervical and varicose ulcers, amputation, burst abdominal wounds, septic and surgical wounds, cracked nipples, and wounds in the abdominal wall. Honey comprises a wide variety of active compounds, including flavonoids, phenolic acid, organic acids, enzymes, and vitamins, that may act to improve the wound healing process. Tissue-engineered scaffolds have recently attracted a great deal of attention, and various scaffold fabrication techniques are being researched. Some incorporate honey to improve their delivery during wound treatment. Hence, the aim of this review is to summarize recent studies on the wound healing properties of honey.
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Affiliation(s)
- Hanaa Tashkandi
- Faculty of Medicine, King Abdulaziz University, Jeddah 21589, Saudi Arabia
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18
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Voidarou C(C, Rozos G, Alexopoulos A, Plessas S, Mantzourani I, Stavropoulou E, Tzora A, Bezirtzoglou E. In Vitro Screening Potential Antibacterial Properties of the Greek Oregano Honey against Clinical Isolates of Helicobacter pylori. Foods 2021; 10:foods10071568. [PMID: 34359441 PMCID: PMC8307090 DOI: 10.3390/foods10071568] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 06/28/2021] [Accepted: 07/02/2021] [Indexed: 12/31/2022] Open
Abstract
Oregano honey is an exceedingly rare and distinct product, not commercially available, produced by bees bred in oregano fields of alpine altitudes at the mountainous area of Epirus, Greece. In ethnic popular medicine, this product is used as a therapeutic in various gastric diseases. To test this hypothesis, 14 strains of Helicobacter pylori (H. pylori), 6 isolated from gastric ulcers and 8 from cases of clinical gastritis, were employed in the present study. The above bacterial strains were exposed to various concentrations (75% v/v, 50% v/v, 25% v/v, 12.5% v/v, and 6% v/v) of 50 oregano honey samples by using the agar well method and the inhibition zones observed around each well were recorded. Although the inhibitory zones of the H. pylori isolated from the gastric ulcers were wide enough (0–34 mm), those strains, in general, appeared more resistant than the other eight (0–58 mm). The same result was observed when the same strains were tested against six antibiotics used in clinical practice. Extracts of oregano honey were prepared by extraction with four different organic solvents. N-hexane and chloroform extracts had the most potent antibacterial action. Finally, pure oregano honey and diethyl ether extracts of honey showed significant inhibitory activity against urease secreted by the pathogen. These results strongly indicate the susceptibility of H. pylori strains to the oregano honey by more than one mode of action. Consequently, this variety of honey seems to have potential therapeutic properties against gastric ulcers and gastritis, thus explaining the preference of the locals towards this traditional remedy.
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Affiliation(s)
- Chrysoula (Chrysa) Voidarou
- Department of Agricultural Sciences, Faculty of Agricultural Sciences, University of Ioannina, 47100 Arta, Greece; (G.R.); (A.T.)
- Correspondence: ; Tel.: +30-2681363502
| | - Georgios Rozos
- Department of Agricultural Sciences, Faculty of Agricultural Sciences, University of Ioannina, 47100 Arta, Greece; (G.R.); (A.T.)
| | - Athanasios Alexopoulos
- Laboratory of Microbiology, Biotechnology & Hygiene, Department of Agricultural Development, Democritus University of Thrace, 68200 Orestiada, Greece; (A.A.); (S.P.); (I.M.)
| | - Stavros Plessas
- Laboratory of Microbiology, Biotechnology & Hygiene, Department of Agricultural Development, Democritus University of Thrace, 68200 Orestiada, Greece; (A.A.); (S.P.); (I.M.)
| | - Ioanna Mantzourani
- Laboratory of Microbiology, Biotechnology & Hygiene, Department of Agricultural Development, Democritus University of Thrace, 68200 Orestiada, Greece; (A.A.); (S.P.); (I.M.)
| | - Elisavet Stavropoulou
- Service de Medecine Interne et Service des Maladies Infectieuses, Centre Hospitalier Universitaire Valois (CHUV), Rue de Bugnon, 1011 Lausanne, Switzerland;
| | - Athina Tzora
- Department of Agricultural Sciences, Faculty of Agricultural Sciences, University of Ioannina, 47100 Arta, Greece; (G.R.); (A.T.)
| | - Eugenia Bezirtzoglou
- Laboratory of Hygiene and Environmental Protection, Medical School, Democritus University of Thrace, 67100 Alexandroupolis, Greece;
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19
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El-Ashram S, El-Samad LM, Basha AA, El Wakil A. Naturally-derived targeted therapy for wound healing: Beyond classical strategies. Pharmacol Res 2021; 170:105749. [PMID: 34214630 DOI: 10.1016/j.phrs.2021.105749] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 06/24/2021] [Accepted: 06/25/2021] [Indexed: 02/07/2023]
Abstract
This review summarizes the four processes of wound healing in the human body (hemostasis, inflammatory, proliferation, and remodeling) and the most current research on the most important factors affecting cutaneous wound healing and the underlying cellular and/or molecular pathways. Local factors, including temperature, oxygenation, and infection, and systemic factors, such as age, diabetes, sex hormones, genetic components, autoimmune diseases, psychological stress, smoking and obesity are also addressed. A better understanding of the role of these factors in wound repair could result in the development of therapeutics that promote wound healing and resolve affected wounds. Additionally, natural products obtained from plants and animals are critical targets for the discovery of novel biologically significant pharmacophores, such as medicines and agrochemicals. This review outlines the most recent advances in naturally derived targeted treatment for wound healing. These are plant-derived natural products, insect-derived natural products, marine-derived natural products, nanomaterial-based wound-healing therapeutics (metal- and non-metal-based nanoparticles), and natural product-based nanomedicine to improve the future direction of wound healing. Natural products extracted from plants and animals have advanced significantly, particularly in the treatment of wound healing. As a result, the isolation and extraction of bioactive compounds from a variety of sources can continue to advance our understanding of wound healing. Undescribed bioactive compounds or unexplored formulations that could have a role in today's medicinal arsenal may be contained in the abundance of natural products and natural product derivatives.
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Affiliation(s)
- Saeed El-Ashram
- College of Life Science and Engineering, Foshan University, 18 Jiangwan Street, Foshan 528231, Guangdong Province, China; Faculty of Science, Kafrelsheikh University, Kafr El-Sheikh 33516, Egypt.
| | - Lamia M El-Samad
- Zoology Department, Faculty of Science, Alexandria University, Egypt.
| | - Amal A Basha
- Zoology Department, Faculty of Science, Damanhour University, Egypt
| | - Abeer El Wakil
- Biological and Geological Sciences Department, Faculty of Education, Alexandria University, Egypt
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20
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Anastasiou IA, Eleftheriadou I, Tentolouris A, Samakidou G, Papanas N, Tentolouris N. Therapeutic Properties of Honey for the Management of Wounds; Is There a Role in the Armamentarium of Diabetic Foot Ulcer Treatment? Results From In vitro and In vivo Studies. INT J LOW EXTR WOUND 2021; 20:291-299. [PMID: 34142897 DOI: 10.1177/15347346211026819] [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] [Indexed: 12/27/2022]
Abstract
Diabetic foot ulcers are one of the most dreadful complications of diabetes mellitus and efforts to accelerate diabetic wound healing are of paramount importance to prevent ulcer infections and subsequent lower-limb amputations. There are several treatment approaches for the management of diabetic foot ulcers and honey seems to be a safe and cost-effective therapeutic approach on top of standard of care. The aim of this review was to summarize the therapeutic properties of honey and the data regarding its possible favorable effects on diabetic wound healing. A literature search of articles from 1986 until April 2021 was performed using MEDLINE, EMBASE, and the Cochrane Library to assess for studies examining the therapeutic wound healing properties of honey, it's in vitro effect, and the efficacy and/or mechanism of action of several types of honey used for the treatment of diabetic animal wounds. Honey has antioxidant, anti-inflammatory, and antibacterial properties and in vitro studies of keratinocytes and fibroblasts, as well as studies in diabetic animal models show that treatment with honey is associated with increased re-epithelialization and collagen production, higher wound contraction, and faster wound healing. The use of honey could be a promising approach for the management of diabetic foot ulcers.
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Affiliation(s)
- Ioanna A Anastasiou
- Medical School, 68989National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Ioanna Eleftheriadou
- Medical School, 68989National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Anastasios Tentolouris
- Medical School, 68989National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Georgia Samakidou
- Medical School, 68989National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | | | - Nikolaos Tentolouris
- Medical School, 68989National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
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21
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Use of a Novel Biomaterial to Enhance Secondary Intention Healing. Dermatol Surg 2021; 47:843-844. [PMID: 32804895 DOI: 10.1097/dss.0000000000002725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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22
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Kuffler DP. Eliminating non-healing wounds: a review. Regen Med 2021; 16:391-404. [PMID: 33876695 DOI: 10.2217/rme-2020-0163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Non-healing cutaneous wounds, including pressure, diabetic and venous ulcers, are wounds where the skin and underlying tissues die due to ischemia, infection, metabolic conditions, immunosuppression or radiation. Some can be eliminated with relatively straightforward techniques, although they may continue to grow in diameter and depth, becoming increasingly painful and never heal. Others respond more slowly or poorly to treatment, while others are recalcitrant to treatments. This review examines the etiology of non-healing wounds and different wound management treatments. In addition, it examines the efficacy of platelet-rich plasma in promoting wound healing and its potential mechanisms of action. It is concluded that platelet-rich plasma alone, but more effectively when combined with another technique(s), has the greatest potential for promoting complete wound healing. However, further studies are required to determine whether the efficacy of wound healing induced by each of these techniques is enhanced by applying the techniques simultaneously.
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Affiliation(s)
- Damien P Kuffler
- Institute of Neurobiology, Medical Sciences Campus, University of Puerto Rico, San Juan, Puerto Rico 00901, USA
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Microenvironment Influence of a Novel Bioengineered Wound Product, APIS®: A Preliminary In Vitro Analysis of Inflammatory Marker and Growth Factor Secretion. Int J Biomater 2021; 2021:6612870. [PMID: 33824662 PMCID: PMC8007366 DOI: 10.1155/2021/6612870] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Revised: 03/09/2021] [Accepted: 03/15/2021] [Indexed: 01/01/2023] Open
Abstract
Objective Preliminary biological activity assessment of a novel bioengineered wound product (APIS®, SweetBio, Inc., Memphis, TN, USA), a synthesis of gelatin, Manuka honey, and hydroxyapatite, with in vitro indications to protect, instill balance to, and progress the wound microenvironment. Approach. The biological activity the bioengineered wound product (BWP) elicits on human cells in vitro was assessed by evaluating matrix metalloproteinase- (MMP-) related proteins expressed by macrophages and secretion of growth factors in fibroblasts. Cells were cultured with no treatment, stimulated with lipopolysaccharides (LPS), or seeded directly on the BWP for 24 hours. An additional 72-hour time point for the BWP was assessed to determine if the BWP maintained its activity compared to itself at 24 hours. Cell culture supernatants were assayed to quantify secreted protein levels. Results MMP-9 secretion from macrophages seeded on the BWP were nondetectable (P < 0.01), while a tissue inhibitor of MMP (TIMP-1) was detected. This decreased the overall MMP-9/TIMP-1 ratio secreted from macrophages seeded on the BWP compared to the controls. Additionally, the secretion of prohealing growth factors such as basic fibroblast growth factor (FGFb) and vascular endothelial growth factor (VEGF) was observed. Conclusion Results from this preliminary in vitro evaluation suggest that the BWP has the potential to instill balance to the wound microenvironment by reducing the MMP-9/TIMP-1 ratio secretion from macrophages and progress previously stalled chronic wounds towards healing by triggering the release of growth factors from fibroblasts.
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Andia I, Perez-Valle A, Del Amo C, Maffulli N. Freeze-Drying of Platelet-Rich Plasma: The Quest for Standardization. Int J Mol Sci 2020; 21:ijms21186904. [PMID: 32962283 PMCID: PMC7555364 DOI: 10.3390/ijms21186904] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 09/14/2020] [Accepted: 09/18/2020] [Indexed: 02/06/2023] Open
Abstract
The complex biology of platelets and their involvement in tissue repair and inflammation have inspired the development of platelet-rich plasma (PRP) therapies for a broad array of medical needs. However, clinical advances are hampered by the fact that PRP products, doses and treatment protocols are far from being standardized. Freeze-drying PRP (FD-PRP) preserves platelet function, cytokine concentration and functionality, and has been proposed as a consistent method for product standardization and fabrication of an off-the-shelf product with improved stability and readiness for future uses. Here, we present the current state of experimental and clinical FD-PRP research in the different medical areas in which PRP has potential to meet prevailing medical needs. A systematic search, according to PRISMA (Preferred Reported Items for Systematic Reviews and Meta-Analyses) guidelines, showed that research is mostly focused on wound healing, i.e., developing combination products for ulcer management. Injectable hydrogels are investigated for lumbar fusion and knee conditions. In dentistry, combination products permit slow kinetics of growth factor release and functionalized membranes for guided bone regeneration.
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Affiliation(s)
- Isabel Andia
- Bioprinting Laboratory, Regenerative Therapies, Biocruces Bizkaia Health Research Institute, Cruces University Hospital, Plaza Cruces 12, 48903 Barakaldo, Bizkaia, Spain; (A.P.-V.); (C.D.A.)
- Correspondence: ; Tel.: +34-609419897 or +34-946007964
| | - Arantza Perez-Valle
- Bioprinting Laboratory, Regenerative Therapies, Biocruces Bizkaia Health Research Institute, Cruces University Hospital, Plaza Cruces 12, 48903 Barakaldo, Bizkaia, Spain; (A.P.-V.); (C.D.A.)
| | - Cristina Del Amo
- Bioprinting Laboratory, Regenerative Therapies, Biocruces Bizkaia Health Research Institute, Cruces University Hospital, Plaza Cruces 12, 48903 Barakaldo, Bizkaia, Spain; (A.P.-V.); (C.D.A.)
| | - Nicola Maffulli
- Department of Musculoskeletal Disorders, University of Salerno School of Medicine and Dentristry, 84084 Salerno, Italy;
- Queen Mary University of London, Barts and the London School of Medicine and Dentistry, London E1 4DG, UK
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25
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Schuhladen K, Mukoo P, Liverani L, Neščáková Z, Boccaccini AR. Manuka honey and bioactive glass impart methylcellulose foams with antibacterial effects for wound-healing applications. ACTA ACUST UNITED AC 2020; 15:065002. [PMID: 32268322 DOI: 10.1088/1748-605x/ab87e5] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Wound dressings able to deliver topically bioactive molecules represent a new generation of wound-regeneration therapies. In this article, foams based on methylcellulose cross-linked with Manuka honey were used as a platform to deliver borate bioactive glass particles doped additionally with copper. Borate bioactive glasses are of great interest in wound-healing applications due to a combination of favorable features, such as angiogenic and antibacterial properties. The multifunctional composite providing the dual effect of the bioactive glass and Manuka honey was produced by freeze-drying, and the resulting foams exhibit suitable morphology characterized by high porosity. Moreover, the performed tests showed improved wettability and mechanical performance with the addition of bioactive glass particles. Dissolution studies using simulated body fluid and cell biology tests using relevant skin cells further proved the excellent bioactivity and positive effects of the foams on cell proliferation and migration. Most interestingly, by the dual release of Manuka honey and ions from the copper-doped bioactive glass, an antibacterial effect against E. coli and S. aureus was achieved. Therefore, the multifunctional foams showed promising outcomes as potential wound dressings for the treatment of infected wounds.
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Affiliation(s)
- Katharina Schuhladen
- Department of Materials Science and Engineering, Institute of Biomaterials, University of Erlangen-Nuremberg, 91058 Erlangen, Germany
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Frydman GH, Olaleye D, Annamalai D, Layne K, Yang I, Kaafarani HMA, Fox JG. Manuka honey microneedles for enhanced wound healing and the prevention and/or treatment of Methicillin-resistant Staphylococcus aureus (MRSA) surgical site infection. Sci Rep 2020; 10:13229. [PMID: 32764604 PMCID: PMC7414039 DOI: 10.1038/s41598-020-70186-9] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Accepted: 07/24/2020] [Indexed: 01/01/2023] Open
Abstract
Manuka honey (MH) is currently used as a wound treatment and suggested to be effective in Methicillin-resistant Staphylococcus aureus (MRSA) elimination. We sought to optimize the synthesis of MH microneedles (MHMs) while maintaining the MH therapeutic effects. MHMs were synthesized using multiple methods and evaluated with in vitro assays. MHMs demonstrated excellent bactericidal activity against MRSA at concentrations ≥ 10% of honey, with vacuum-prepared honey appearing to be the most bactericidal, killing bacterial concentrations as high as 8 × 107 CFU/mL. The wound-healing assay demonstrated that, at concentrations of 0.1%, while the cooked honey had incomplete wound closure, the vacuum-treated honey trended towards faster wound closure. In this study, we demonstrate that the method of MHM synthesis is crucial to maintaining MH properties. We optimized the synthesis of MHMs and demonstrated their potential utility in the treatment of MRSA infections as well as in wound healing. This is the first report of using MH as a substrate for the formation of dissolvable microneedles. This data supports the need for further exploration of this new approach in a wound-healing model and opens the door for the future use of MH as a component of microneedle scaffolds.
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Affiliation(s)
- Galit H Frydman
- Division of Comparative Medicine and Division of Biomedical Engineering, Department of Biological Engineering, Massachusetts Institute of Technology, 500 Technology Square, 3rd Floor Rm 383, Cambridge, MA, 02139, USA. .,BioMEMs Resource Center, Massachusetts General Hospital, Charlestown, MA, USA. .,Division of Trauma, Emergency Surgery & Surgical Critical Care and Department of Surgery, Massachusetts General Hospital, Boston, MA, USA.
| | - David Olaleye
- Division of Comparative Medicine and Division of Biomedical Engineering, Department of Biological Engineering, Massachusetts Institute of Technology, 500 Technology Square, 3rd Floor Rm 383, Cambridge, MA, 02139, USA.,BioMEMs Resource Center, Massachusetts General Hospital, Charlestown, MA, USA
| | - Damodaran Annamalai
- Division of Comparative Medicine and Division of Biomedical Engineering, Department of Biological Engineering, Massachusetts Institute of Technology, 500 Technology Square, 3rd Floor Rm 383, Cambridge, MA, 02139, USA
| | - Kim Layne
- Division of Comparative Medicine and Division of Biomedical Engineering, Department of Biological Engineering, Massachusetts Institute of Technology, 500 Technology Square, 3rd Floor Rm 383, Cambridge, MA, 02139, USA
| | - Illina Yang
- Division of Comparative Medicine and Division of Biomedical Engineering, Department of Biological Engineering, Massachusetts Institute of Technology, 500 Technology Square, 3rd Floor Rm 383, Cambridge, MA, 02139, USA
| | - Haytham M A Kaafarani
- Division of Trauma, Emergency Surgery & Surgical Critical Care and Department of Surgery, Massachusetts General Hospital, Boston, MA, USA
| | - James G Fox
- Division of Comparative Medicine and Division of Biomedical Engineering, Department of Biological Engineering, Massachusetts Institute of Technology, 500 Technology Square, 3rd Floor Rm 383, Cambridge, MA, 02139, USA
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27
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Minden-Birkenmaier BA, Meadows MB, Cherukuri K, Smeltzer MP, Smith RA, Radic MZ, Bowlin GL. Manuka honey modulates the release profile of a dHL-60 neutrophil model under anti-inflammatory stimulation. J Tissue Viability 2020; 29:91-99. [PMID: 32249090 DOI: 10.1016/j.jtv.2020.03.005] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 03/06/2020] [Accepted: 03/22/2020] [Indexed: 12/19/2022]
Abstract
Manuka honey, a wound treatment used to eradicate bacteria, resolve inflammation, and promote wound healing, is a current focus in the tissue engineering community as a tissue template additive. However, Manuka honey's effect on neutrophils during the inflammation-resolving phase has yet to be examined. This study investigates the effect of 0.5% and 3% Manuka honey on the release of cytokines, chemokines, and matrix-degrading enzymes from a dHL-60 neutrophil model in the presence of anti-inflammatory stimuli (TGF-β, IL-4, IL-4 +IL-13). We hypothesized that Manuka honey would reduce the output of pro-inflammatory signals and increase the release of anti-inflammatory signals. The results of this study indicate that 0.5% honey significantly increases the release of CXCL8/IL-8, CCL2/MCP-1, CCL4/MIP-1β, CCL20/MIP-3α, IL-4, IL-1ra, and FGF-13 while reducing Proteinase 3 release in the anti-inflammatory-stimulated models. However, 3% honey significantly increased the release of TNF-α and CXCL8/IL-8 while reducing the release of all other analytes. We replicated a subset of the most notable findings in primary human neutrophils, and the consistent results indicate that the HL-60 data are relevant to the performance of primary cells. These findings demonstrate the variable effects of Manuka honey on the release of cytokines, chemokines, and matrix-degrading enzymes of this model of neutrophil anti-inflammatory activity. This study reinforces the importance of tailoring the concentration of Manuka honey in a wound or tissue template to elicit the desired effects during the inflammation-resolving phase of wound healing. Future in vivo investigation should be undertaken to translate these results to a physiologically-relevant wound environment.
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Affiliation(s)
- Benjamin A Minden-Birkenmaier
- Department of Biomedical Engineering, University of Memphis, 330 Engineering Technology Building, Memphis, TN, 38152, USA
| | - Meghan B Meadows
- Division of Epidemiology, Biostatistics, and Environmental Health, School of Public Health, University of Memphis, 222 Robison Hall, Memphis, TN, 38152, USA
| | - Kasyap Cherukuri
- Department of Biomedical Engineering, University of Memphis, 330 Engineering Technology Building, Memphis, TN, 38152, USA
| | - Matthew P Smeltzer
- Division of Epidemiology, Biostatistics, and Environmental Health, School of Public Health, University of Memphis, 222 Robison Hall, Memphis, TN, 38152, USA
| | - Richard A Smith
- Department of Orthopaedic Surgery & Biomedical Engineering, University of Tennessee Health Science Center, E228A Coleman Building, 956 Court Avenue, Memphis, TN, 38163, USA
| | - Marko Z Radic
- Department of Microbiology, Immunology and Biochemistry, University of Tennessee Health Science Center, 201 Molecular Science Building, 858 Madison Ave, Memphis, TN, 38152, USA
| | - Gary L Bowlin
- Department of Biomedical Engineering, University of Memphis, 330 Engineering Technology Building, Memphis, TN, 38152, USA.
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Iacopetti I, Perazzi A, Martinello T, Gemignani F, Patruno M. Hyaluronic acid, Manuka honey and Acemannan gel: Wound-specific applications for skin lesions. Res Vet Sci 2020; 129:82-89. [PMID: 31954318 DOI: 10.1016/j.rvsc.2020.01.009] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Revised: 01/09/2020] [Accepted: 01/10/2020] [Indexed: 12/11/2022]
Abstract
Healing of open wounds is of great medical importance. Wound healing is a complex process that aims to restore the function and structure of damaged tissue. This study was conducted to compare secondary intention healing of wounds treated daily with a topical application of commercially available hyaluronic acid (HA), Manuka honey (MH), Acemannan gel (AG), or a placebo. Bilateral wounds were surgically created on the backs of six sheep. At two and six weeks post-wound creation, biopsies were obtained to perform histological, immunohistochemical, and molecular analyses of the wound site. Daily clinical evaluations were performed and weekly photographs were taken of the wounds. HA treatment promoted a physiological progression of the healing process in all wound healing phases, while stimulating an abundant cutaneous adnexa and promoting rapid healing, representing the most compelling treatment. MH-treated wounds were slightly dry. However, the main effect of MH was to promote cell proliferation and neovascularization, with an overall pro-inflammatory effect. Results suggest that MH treatment enhances the healing process. AG treatment dehydrated the wounds and stimulated late granulation tissue and cell proliferation. Moreover, AG-treated wounds produced a mild late pro-inflammatory and neovascularization effect. Our data indicate that AG treatment can have a positive influence on moist wounds with abundant granulation tissue and exudate.
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Affiliation(s)
- I Iacopetti
- Department of Animal Medicine, Production and Health, University of Padova, viale dell'Università 16, 35020 Legnaro-Agripolis, Padova, Italy
| | - A Perazzi
- Department of Animal Medicine, Production and Health, University of Padova, viale dell'Università 16, 35020 Legnaro-Agripolis, Padova, Italy
| | - T Martinello
- Department of Comparative Biomedicine and Food Science, University of Padova, viale dell'Università 16, 35020 Legnaro-Agripolis, Padova, Italy
| | - F Gemignani
- Private practitioner, Winchester, United Kingdom
| | - M Patruno
- Department of Comparative Biomedicine and Food Science, University of Padova, viale dell'Università 16, 35020 Legnaro-Agripolis, Padova, Italy.
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Growney EA, Linder HR, Garg K, Bledsoe JG, Sell SA. Bio-conjugation of platelet-rich plasma and alginate through carbodiimide chemistry for injectable hydrogel therapies. J Biomed Mater Res B Appl Biomater 2019; 108:1972-1984. [PMID: 31846217 DOI: 10.1002/jbm.b.34538] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 07/04/2019] [Accepted: 11/29/2019] [Indexed: 01/19/2023]
Abstract
Alginate is a highly tailorable, biocompatible polymer whose properties can be tuned to mimic the properties of native nucleus pulposus (NP) tissue. Platelet-rich plasma (PRP) is a highly accessible, inexpensive, and readily available mix of pro-regenerative factors. By functionalizing alginate with PRP, a mechanically optimized, bioactive alginate NP analogue may stimulate NP cells to proliferate and accumulate matrix over a longer period of time than if the PRP were solely encapsulated within the hydrogel. In this study, PRP was chemically bound to alginate using carbodiimide chemistry and mechanically, physically, and cytologically compared to plain alginate as well as alginate containing free-floating lyophilized PRP. The alginates were mechanically and physically characterized; PRP-conjugated alginate had similar mechanical properties to controls and had the benefit of retained PRP proteins within the hydrogel. Human nucleus pulposus cells (hNPCs) were seeded within the modified alginates and cultured for 14 days. Quantification data of glycosaminoglycans suggests that PRP-incorporated alginate has the potential to increase ECM production within the characterized alginate constructs, and that PRP-functionalized alginate can retain protein within the hydrogel over time. This is the first study to functionalize the milieu of PRP proteins onto alginate and characterize the mechanical and physical properties of the modified alginates. This study also incorporates hNPCs into the characterized PRP-modified alginates to observe phenotypic maintenance when encapsulated within the in situ gelling constructs.
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Affiliation(s)
- Emily A Growney
- Centre for Research in Medical Devices (CÙRAM), National University of Ireland Galway, Galway, Ireland.,Department of Biomedical Engineering, Parks College of Engineering, Aviation & Technology, Saint Louis University, St. Louis, Missouri
| | - Houston R Linder
- Department of Biomedical Engineering, Parks College of Engineering, Aviation & Technology, Saint Louis University, St. Louis, Missouri
| | - Koyal Garg
- Department of Biomedical Engineering, Parks College of Engineering, Aviation & Technology, Saint Louis University, St. Louis, Missouri
| | - J Gary Bledsoe
- Department of Biomedical Engineering, Parks College of Engineering, Aviation & Technology, Saint Louis University, St. Louis, Missouri
| | - Scott A Sell
- Department of Biomedical Engineering, Parks College of Engineering, Aviation & Technology, Saint Louis University, St. Louis, Missouri
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Anand S, Deighton M, Livanos G, Pang ECK, Mantri N. Agastache honey has superior antifungal activity in comparison with important commercial honeys. Sci Rep 2019; 9:18197. [PMID: 31796803 PMCID: PMC6890684 DOI: 10.1038/s41598-019-54679-w] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Accepted: 11/04/2019] [Indexed: 02/07/2023] Open
Abstract
There is an urgent need for new effective antifungal agents suitable for the treatment of superficial skin infections, since acquired resistance of fungi to currently available agents is increasing. The antifungal activity of mono-floral Agastache honey and commercially available honeys were tested against dermatophytes (T. mentagrophytes and T. rubrum) and C. albicans (ATCC 10231 and a clinical isolate) by agar well diffusion and micro-dilution (AWD and MD). In AWD and MD assays, Agastache honey was effective at 40% concentration against dermatophytes (zone diameter, 19.5–20 mm) and C. albicans with the same MIC and MFC values indicating fungicidal activity. Tea tree honey was effective at 80% concentration (zone diameter, 14 mm) against dermatophytes and at 40% concentration against T. mentagrophytes and C. albicans. Manuka was effective at 80% concentration only against T. mentagrophytes (zone diameter, 12 mm) and at 40% against T. rubrum and C. albicans with fungistatic activity. Similar to the AWD results, Jelly bush, Super Manuka, and Jarrah showed no activity against dermatophytes but showed some activity against C. albicans. Headspace volatiles of six honeys were isolated by SPME and identified by GC-MS. The characteristic chemical markers for each honey were as follows: Agastache- Phenol, 2,4-bis(1,1-dimethylethyl) and Estragole; Manuka and Tea-tree- Acetanisole and Methyl 3,5-dimethoxybenzoate; Jelly bush- Linalool and Nonanal; Super Manuka- Methyl 3,5-dimethoxybenzoate and Nonanal; Jarrah- Isophorone and Nonanoic acid. Overall, analysis of the bioactive compound content and antifungal activity of Agastache honey indicated possible use as an antifungal agent for management of superficial fungal infections.
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Affiliation(s)
- Sushil Anand
- The Pangenomics Group, School of Science, RMIT University, Melbourne, 3083, Victoria, Australia.
| | - Margaret Deighton
- The Pangenomics Group, School of Science, RMIT University, Melbourne, 3083, Victoria, Australia
| | - George Livanos
- Kenkay Pharmaceuticals Pty Ltd., Smeaton Grange, 2567, NSW, Australia
| | - Edwin Chi Kyong Pang
- The Pangenomics Group, School of Science, RMIT University, Melbourne, 3083, Victoria, Australia
| | - Nitin Mantri
- The Pangenomics Group, School of Science, RMIT University, Melbourne, 3083, Victoria, Australia.
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31
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Ali AM, Kunugi H. Bee honey protects astrocytes against oxidative stress: A preliminary in vitro investigation. Neuropsychopharmacol Rep 2019; 39:312-314. [PMID: 31529692 PMCID: PMC7292328 DOI: 10.1002/npr2.12079] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Revised: 07/31/2019] [Accepted: 08/22/2019] [Indexed: 01/10/2023] Open
Abstract
Aim Bee honey is widely used as a bioactive food to improve general health and produce therapeutic benefits in various physical disorders. It also improves cognitive and mood‐related behaviors and symptoms in mice and humans. Still, its direct effect on brain cells is unclear. Here, we examined the effect of whole honey on the survival of astrocytes exposed to oxidative stress. Methods Cultured cortical astrocytes were treated with honey (0.1%, 0.3%, 0.5%, 0.6%, 0.7%, 0.8%, 0.9%, 1%, 3%, and 5% [v/v]) for 24 hours followed by H2O2 (100 μmol/L) for 3 hours. Cellular viability was assessed with MTT assay. Results Honey prevented cellular death in a dose‐dependent manner compared with H2O2‐treated cells. Honey at 1% concentration had the most significant effect (P = .015). Conclusion Bee honey exerts a neuroprotective effect through its antioxidant activity. This study tested the effect of bee honey on the survival of astrocytes exposed to H2O2‐induced oxidative stress. Honey prevented cellular death in a dose‐dependent manner compared with H2O2‐treated cells. Honey at 1% concentration had the most significant effect (P = .015).![]()
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Affiliation(s)
- Amira Mohammed Ali
- Department of Mental Disorder Research, National Center of Neurology and Psychiatry, National Institute of Neuroscience, Tokyo, Japan.,Department of Psychiatric Nursing and Mental Health, Faculty of Nursing, Alexandria University, Alexandria, Egypt
| | - Hiroshi Kunugi
- Department of Mental Disorder Research, National Center of Neurology and Psychiatry, National Institute of Neuroscience, Tokyo, Japan
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Hixon KR, Klein RC, Eberlin CT, Linder HR, Ona WJ, Gonzalez H, Sell SA. A Critical Review and Perspective of Honey in Tissue Engineering and Clinical Wound Healing. Adv Wound Care (New Rochelle) 2019; 8:403-415. [PMID: 31737423 DOI: 10.1089/wound.2018.0848] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Accepted: 04/29/2019] [Indexed: 12/14/2022] Open
Abstract
Significance: Historically, honey has been regarded as a potent agent in bacterial inhibition and wound healing. An increased prevalence of antibiotic resistant pathogens spurred an initial resurgence in honey's clinical popularity, with it quickly finding a place in wound care and regenerative medicine. However, this renewed usage demanded a need for improved delivery and overall research of its bioactive properties. This review provides an overview of the antibacterial properties and clinical use of honey. Recent Advances: The past and present clinical use of honey is noted, focusing specifically on burns and ulcers, as these are the most common applications of the natural agent. While honey is often used without modification clinically, there are also commercially available products ranging from dressings to gels, which are discussed. Critical Issues: Despite these products growing in popularity, the need for improved delivery and a structure to support wound healing could improve the treatment method. Future Directions: Tissue engineering scaffolds can provide an alternative method of honey delivery with research focusing primarily on electrospun scaffolds, hydrogels, and cryogels. Current studies on these scaffolds are discussed with respect to their advantages and potential for future clinical work. Overall, this review provides a comprehensive overview of the properties of honey, its current use in wound healing, and the potential for future incorporation into tissue-engineered scaffolds to provide an innovative wound healing agent.
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Affiliation(s)
- Katherine R. Hixon
- Department of Orthopaedic Surgery, Washington University in St. Louis, St. Louis, Missouri
| | - Robert C. Klein
- School of Medicine, Saint Louis University, St. Louis, Missouri
| | | | - Houston R. Linder
- Biomedical Engineering Program, Saint Louis University, St. Louis, Missouri
| | - William J. Ona
- Biomedical Engineering Program, Saint Louis University, St. Louis, Missouri
| | - Hugo Gonzalez
- Biomedical Engineering Program, Saint Louis University, St. Louis, Missouri
| | - Scott A. Sell
- Biomedical Engineering Program, Saint Louis University, St. Louis, Missouri
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The Effect of Manuka Honey on dHL-60 Cytokine, Chemokine, and Matrix-Degrading Enzyme Release under Inflammatory Conditions. ACTA ACUST UNITED AC 2019; 4. [PMID: 31245627 PMCID: PMC6594701 DOI: 10.20900/mo.20190005] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
A large body of in vivo and in vitro evidence indicates that Manuka honey resolves inflammation and promotes healing when applied topically to a wound. In this study, the effect of two different concentrations (0.5% and 3% v/v) of Manuka honey on the release of cytokines, chemokines, and matrix-degrading enzymes from neutrophils was examined using a differentiated HL-60 cell line model in the presence of inflammatory stimuli. The results indicate that 0.5% honey decreased TNF-α, IL-1β, MIP-1α, MIP-1β, IL-12 p70, MMP-9, MMP-1, FGF-13, IL-1ra, and IL-4 release, but increased MIP-3α, Proteinase 3, VEGF, and IL-8 levels. In contrast, 3% honey reduced the release of all analytes except TNF-α, whose release was increased. Together, these results demonstrate a dose-dependent ability of Manuka honey to modify the release of cytokines, chemokines, and matrix-degrading enzymes that promote or inhibit inflammation and/or healing within a wound. The findings of this study provide further guidance for the future use of Manuka honey in wounds or tissue engineering templates. Future in vivo investigation is warranted to validate the in vitro results and translate these results to physiologically relevant environments.
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Hixon KR, Bogner SJ, Ronning-Arnesen G, Janowiak BE, Sell SA. Investigating Manuka Honey Antibacterial Properties When Incorporated into Cryogel, Hydrogel, and Electrospun Tissue Engineering Scaffolds. Gels 2019; 5:E21. [PMID: 31003516 PMCID: PMC6631429 DOI: 10.3390/gels5020021] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Revised: 04/12/2019] [Accepted: 04/16/2019] [Indexed: 02/08/2023] Open
Abstract
Honey is well-known for its wound healing capability and Manuka honey (MH) contains a unique Manuka factor, providing an additional antibacterial agent. Previously, there has not been a practical way to apply MH to a wound site, which renders treatment for an extended period extremely difficult. Tissue-engineered scaffolds offer an alternative treatment method to standard dressings by providing varying geometries to best treat the specific tissue. MH was incorporated into cryogels, hydrogels, and electrospun scaffolds to assess the effect of scaffold geometry on bacterial clearance and adhesion, as well as cellular adhesion. Electrospun scaffolds exhibited a faster release due to the nanoporous fibrous geometry which led to a larger partial bacterial clearance as compared to the more three-dimensional cryogels (CG) and hydrogels (HG). Similarly, the fast release of MH from the electrospun scaffolds resulted in reduced bacterial adhesion. Overall, the fast MH release of the electrospun scaffolds versus the extended release of the HG and CG scaffolds provides differences in cellular/bacterial adhesion and advantages for both short and long-term applications, respectively. This manuscript provides a comparison of the scaffold pore structures as well as bacterial and cellular properties, providing information regarding the relationship between varying scaffold geometry and MH efficacy.
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Affiliation(s)
- Katherine R Hixon
- Department of Biomedical Engineering, Parks College of Engineering, Aviation, and Technology, Saint Louis University, St. Louis, MO 63103, USA.
| | - Savannah J Bogner
- Department of Biomedical Engineering, Parks College of Engineering, Aviation, and Technology, Saint Louis University, St. Louis, MO 63103, USA.
| | - Gabriela Ronning-Arnesen
- Department of Biomedical Engineering, Parks College of Engineering, Aviation, and Technology, Saint Louis University, St. Louis, MO 63103, USA.
| | - Blythe E Janowiak
- Department of Biology, Saint Louis University, St. Louis, MO 63110, USA.
| | - Scott A Sell
- Department of Biomedical Engineering, Parks College of Engineering, Aviation, and Technology, Saint Louis University, St. Louis, MO 63103, USA.
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Hilliard G, DeClue CE, Minden-Birkenmaier BA, Dunn AJ, Sell SA, Shornick LP. Preliminary investigation of honey-doped electrospun scaffolds to delay wound closure. J Biomed Mater Res B Appl Biomater 2019; 107:2620-2628. [PMID: 30866161 DOI: 10.1002/jbm.b.34351] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Revised: 01/19/2019] [Accepted: 02/10/2019] [Indexed: 12/17/2022]
Abstract
Manuka honey is an ancient remedy to improve wound healing; however, an effective delivery system is needed to facilitate extended release of honey into wounds. We developed an electrospun dermal regeneration template consisting of a poly (ε-caprolactone) (PCL) scaffold embedded with 1%, 5%, 10%, or 20% manuka honey. In vitro studies demonstrated that honey PCL scaffolds were not toxic to macrophages, and they allowed for macrophage infiltration into the scaffolds. Vascular endothelial growth factor (VEGF), a marker of angiogenesis, was released by macrophages cultured with scaffolds and macrophage/scaffold conditioned media promoted endothelial cell tube formation in an angiogenesis assay. In a full thickness murine wound model, the scaffolds prevented rapid wound contraction. In vivo, cells infiltrated the scaffolds by post-wounding day 7, but the honey scaffolds did not affect collagen deposition at that time. In summary, preliminary studies investigating the effect of honey on tissue repair show that scaffolds prevent rapid wound contraction, allow for cell infiltration, and promote angiogenesis. © 2019 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater 107B:2620-2628, 2019.
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Affiliation(s)
| | - Cory E DeClue
- Department of Biology, Saint Louis University, Saint Louis, Missouri
| | - Benjamin A Minden-Birkenmaier
- Department of Biomedical Engineering, Parks College of Engineering, Aviation, and Technology, Saint Louis University, Saint Louis, Missouri
| | - Andrew J Dunn
- Department of Biomedical Engineering, Parks College of Engineering, Aviation, and Technology, Saint Louis University, Saint Louis, Missouri
| | - Scott A Sell
- Department of Biomedical Engineering, Parks College of Engineering, Aviation, and Technology, Saint Louis University, Saint Louis, Missouri
| | - Laurie P Shornick
- Department of Biology, Saint Louis University, Saint Louis, Missouri.,Molecular Microbiology and Immunology, Saint Louis University, Saint Louis, Missouri
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Manuka Honey Modulates the Inflammatory Behavior of a dHL-60 Neutrophil Model under the Cytotoxic Limit. Int J Biomater 2019; 2019:6132581. [PMID: 30936919 PMCID: PMC6415307 DOI: 10.1155/2019/6132581] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Accepted: 01/28/2019] [Indexed: 01/04/2023] Open
Abstract
Recent work has shown that Manuka honey, an increasingly popular wound additive with potent antibacterial properties, also has anti-inflammatory properties. However, little research has been done examining its effect on neutrophils. This study investigates the hypothesis that Manuka honey reduces neutrophil superoxide release and chemotaxis and reduces the activation of the inflammatory nuclear factor-κB (NF-κB) signaling pathway under honey's cytotoxic limit. A differentiated HL-60 cell line was used as a neutrophil model and cultured in various concentrations of Manuka honey for 3 and 24 hours to measure cytotoxicity via mitochondrial activity and visual trypan-exclusion count. Cytochrome C and Boyden chamber assays were used to measure the effect of Manuka honey on superoxide release and chemotaxis toward fMLP, respectively. Additionally, a Western blot for NF-κB inhibitor α (IκBα) was performed to measure Manuka honey's effect on the NF-κB pathway via IκBα phosphorylation. The results indicate a cytotoxic limit of 3-5% v/v. The presence of 1% honey decreased superoxide release at 24 hours. The 0.5, 1, and 3% honey concentrations reduced chemotaxis and IκBα phosphorylation in a dose-dependent fashion. These results suggest that Manuka honey significantly reduces neutrophil recruitment and inflammatory behavior in the wound site in a dose-dependent fashion under the cytotoxic limit.
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Ibrahim N'I, Wong SK, Mohamed IN, Mohamed N, Chin KY, Ima-Nirwana S, Shuid AN. Wound Healing Properties of Selected Natural Products. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2018; 15:ijerph15112360. [PMID: 30366427 PMCID: PMC6266783 DOI: 10.3390/ijerph15112360] [Citation(s) in RCA: 153] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 09/23/2018] [Revised: 10/18/2018] [Accepted: 10/19/2018] [Indexed: 12/12/2022]
Abstract
Wound healing is a complex process of recovering the forms and functions of injured tissues. The process is tightly regulated by multiple growth factors and cytokines released at the wound site. Any alterations that disrupt the healing processes would worsen the tissue damage and prolong repair process. Various conditions may contribute to impaired wound healing, including infections, underlying diseases and medications. Numerous studies on the potential of natural products with anti-inflammatory, antioxidant, antibacterial and pro-collagen synthesis properties as wound healing agents have been performed. Their medicinal properties can be contributed by the content of bioactive phytochemical constituents such as alkaloids, essential oils, flavonoids, tannins, saponins, and phenolic compounds in the natural products. This review highlights the in vitro, in vivo and clinical studies on wound healing promotions by the selected natural products and the mechanisms involved.
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Affiliation(s)
- Nurul 'Izzah Ibrahim
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Jalan Yaacob Latif, Bandar Tun Razak, Cheras, Kuala Lumpur 56000, Malaysia.
| | - Sok Kuan Wong
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Jalan Yaacob Latif, Bandar Tun Razak, Cheras, Kuala Lumpur 56000, Malaysia.
| | - Isa Naina Mohamed
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Jalan Yaacob Latif, Bandar Tun Razak, Cheras, Kuala Lumpur 56000, Malaysia.
| | - Norazlina Mohamed
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Jalan Yaacob Latif, Bandar Tun Razak, Cheras, Kuala Lumpur 56000, Malaysia.
| | - Kok-Yong Chin
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Jalan Yaacob Latif, Bandar Tun Razak, Cheras, Kuala Lumpur 56000, Malaysia.
| | - Soelaiman Ima-Nirwana
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Jalan Yaacob Latif, Bandar Tun Razak, Cheras, Kuala Lumpur 56000, Malaysia.
| | - Ahmad Nazrun Shuid
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Jalan Yaacob Latif, Bandar Tun Razak, Cheras, Kuala Lumpur 56000, Malaysia.
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Combined plasma rich in growth factors and adipose-derived mesenchymal stem cells promotes the cutaneous wound healing in rabbits. BMC Vet Res 2018; 14:288. [PMID: 30241533 PMCID: PMC6151009 DOI: 10.1186/s12917-018-1577-y] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Accepted: 08/16/2018] [Indexed: 01/18/2023] Open
Abstract
BACKGROUND The use of Plasma Rich in Growth Factors (PRGF) and Adipose Derived Mesenchymal Stem Cells (ASCs) are today extensively studied in the field of regenerative medicine. In recent years, human and veterinary medicine prefer to avoid using traumatic techniques and choose low or non-invasive procedures. The objective of this study was to evaluate the efficacy of PRGF, ASCs and the combination of both in wound healing of full-thickness skin defects in rabbits. With this purpose, a total of 144 rabbits were used for this study. The animals were divided in three study groups of 48 rabbits each depending on the administered treatment: PRGF, ASCs, and PGRF+ASCs. Two wounds of 8 mm of diameter and separated from each other by 20 mm were created on the back of each rabbit: the first was treated with saline solution, and the second with the treatment assigned for each group. Macroscopic and microscopic evolution of wounds was assessed at 1, 2, 3, 5, 7 and 10 days post-surgery. With this aim, 8 animals from each treatment group and at each study time were euthanized to collect wounds for histopathological study. RESULTS Wounds treated with PRGF, ASCs and PRGF+ASCs showed significant higher wound healing and epithelialization rates, more natural aesthetic appearance, significant lower inflammatory response, significant higher collagen deposition and angiogenesis compared with control wounds. The combined treatment PRGF+ASCs showed a significant faster cutaneous wound healing process. CONCLUSIONS The combined treatment PRGF+ASCs showed the best results, suggesting this is the best choice to enhance wound healing and improve aesthetic results in acute wounds.
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Beeswax by-Products Efficiently Counteract the Oxidative Damage Induced by an Oxidant Agent in Human Dermal Fibroblasts. Int J Mol Sci 2018; 19:ijms19092842. [PMID: 30235888 PMCID: PMC6165090 DOI: 10.3390/ijms19092842] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2018] [Revised: 09/13/2018] [Accepted: 09/18/2018] [Indexed: 12/12/2022] Open
Abstract
The antioxidant capacity and the phytochemical composition of two by-products from beeswax recycling processes were recently investigated. The aim of the present work was to evaluate the efficacy of one of these by-products, MUD1, against the oxidative stress induced by 2,2′-azobis(2-amidinopropane) dihydrochloride (AAPH) in human dermal fibroblast (HDF) cells. After a preliminary viability assay, the protective effect of MUD1 was investigated through the measurement of apoptosis level, the reactive oxygen species (ROS) and nitrite (NO2−) production, the level of protein and lipid biomarkers (carbonyl groups, total glutathione and thiobarbituric acid-reactive substance) of oxidative damage, and the measurement of antioxidant enzymes activities (glutatione peroxidase, glutathione reductase, glutathione transferase, superoxide dismutase and catalase). The obtained results showed that MUD1 exerted protective effects on HDF, increasing cell viability and counteracted the oxidative stress promoted by AAPH-treatment, and improved mitochondria functionality and wound healing capacities. This work shows the antioxidant effects exerted by beeswax by-products, demonstrating for the first time their potential against oxidative stress in human dermal fibroblast cells; however, further research will be necessary to evaluate their potentiality for human health by more deeply in vitro and in vivo studies.
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Lu T, Hixon KR, Ona WJ, Carletta MN, Garg K, Sell SA. An
in vitro
analysis of injectable methacrylated alginate cryogels incorporated with PRP targeting minimally invasive treatment of bone nonunion. Biomed Phys Eng Express 2018. [DOI: 10.1088/2057-1976/aad298] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Minden-Birkenmaier BA, Bowlin GL. Honey-Based Templates in Wound Healing and Tissue Engineering. Bioengineering (Basel) 2018; 5:bioengineering5020046. [PMID: 29903998 PMCID: PMC6027142 DOI: 10.3390/bioengineering5020046] [Citation(s) in RCA: 77] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Revised: 05/07/2018] [Accepted: 06/10/2018] [Indexed: 01/09/2023] Open
Abstract
Over the past few decades, there has been a resurgence in the clinical use of honey as a topical wound treatment. A plethora of in vitro and in vivo evidence supports this resurgence, demonstrating that honey debrides wounds, kills bacteria, penetrates biofilm, lowers wound pH, reduces chronic inflammation, and promotes fibroblast infiltration, among other beneficial qualities. Given these results, it is clear that honey has a potential role in the field of tissue engineering and regeneration. Researchers have incorporated honey into tissue engineering templates, including electrospun meshes, cryogels, and hydrogels, with varying degrees of success. This review details the current state of the field, including challenges which have yet to be overcome, and makes recommendations for the direction of future research in order to develop effective tissue regeneration therapies.
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Affiliation(s)
| | - Gary L Bowlin
- Department of Biomedical Engineering, University of Memphis, 3806 Norriswood Ave., Memphis, TN 38152, USA.
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Chicharro-Alcántara D, Rubio-Zaragoza M, Damiá-Giménez E, Carrillo-Poveda JM, Cuervo-Serrato B, Peláez-Gorrea P, Sopena-Juncosa JJ. Platelet Rich Plasma: New Insights for Cutaneous Wound Healing Management. J Funct Biomater 2018; 9:jfb9010010. [PMID: 29346333 PMCID: PMC5872096 DOI: 10.3390/jfb9010010] [Citation(s) in RCA: 132] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2017] [Revised: 01/14/2018] [Accepted: 01/15/2018] [Indexed: 02/06/2023] Open
Abstract
The overall increase of chronic degenerative diseases associated with ageing makes wound care a tremendous socioeconomic burden. Thus, there is a growing need to develop novel wound healing therapies to improve cutaneous wound healing. The use of regenerative therapies is becoming increasingly popular due to the low-invasive procedures needed to apply them. Platelet-rich plasma (PRP) is gaining interest due to its potential to stimulate and accelerate the wound healing process. The cytokines and growth factors forming PRP play a crucial role in the healing process. This article reviews the emerging field of skin wound regenerative therapies with particular emphasis on PRP and the role of growth factors in the wound healing process.
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Affiliation(s)
- Deborah Chicharro-Alcántara
- Bioregenerative Medicine and Applied Surgery Research Group, Animal Medicine and Surgery Department, Veterinary Faculty, Universidad Cardenal Herrera-CEU, CEU Universities, 46115 Valencia, Spain.
- García Cugat Foundation for Biomedical Research, 08006 Barcelona, Spain.
| | - Mónica Rubio-Zaragoza
- Bioregenerative Medicine and Applied Surgery Research Group, Animal Medicine and Surgery Department, Veterinary Faculty, Universidad Cardenal Herrera-CEU, CEU Universities, 46115 Valencia, Spain.
- García Cugat Foundation for Biomedical Research, 08006 Barcelona, Spain.
| | - Elena Damiá-Giménez
- Bioregenerative Medicine and Applied Surgery Research Group, Animal Medicine and Surgery Department, Veterinary Faculty, Universidad Cardenal Herrera-CEU, CEU Universities, 46115 Valencia, Spain.
- García Cugat Foundation for Biomedical Research, 08006 Barcelona, Spain.
| | - José M Carrillo-Poveda
- Bioregenerative Medicine and Applied Surgery Research Group, Animal Medicine and Surgery Department, Veterinary Faculty, Universidad Cardenal Herrera-CEU, CEU Universities, 46115 Valencia, Spain.
- García Cugat Foundation for Biomedical Research, 08006 Barcelona, Spain.
| | - Belén Cuervo-Serrato
- Bioregenerative Medicine and Applied Surgery Research Group, Animal Medicine and Surgery Department, Veterinary Faculty, Universidad Cardenal Herrera-CEU, CEU Universities, 46115 Valencia, Spain.
- García Cugat Foundation for Biomedical Research, 08006 Barcelona, Spain.
| | - Pau Peláez-Gorrea
- Bioregenerative Medicine and Applied Surgery Research Group, Animal Medicine and Surgery Department, Veterinary Faculty, Universidad Cardenal Herrera-CEU, CEU Universities, 46115 Valencia, Spain.
- García Cugat Foundation for Biomedical Research, 08006 Barcelona, Spain.
| | - Joaquín J Sopena-Juncosa
- Bioregenerative Medicine and Applied Surgery Research Group, Animal Medicine and Surgery Department, Veterinary Faculty, Universidad Cardenal Herrera-CEU, CEU Universities, 46115 Valencia, Spain.
- García Cugat Foundation for Biomedical Research, 08006 Barcelona, Spain.
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Tambella AM, Attili AR, Dupré G, Cantalamessa A, Martin S, Cuteri V, Marcazzan S, Del Fabbro M. Platelet-rich plasma to treat experimentally-induced skin wounds in animals: A systematic review and meta-analysis. PLoS One 2018; 13:e0191093. [PMID: 29324848 PMCID: PMC5764374 DOI: 10.1371/journal.pone.0191093] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2017] [Accepted: 12/28/2017] [Indexed: 12/22/2022] Open
Abstract
The objective of the study was to review current literature to determine whether the topical application of platelet-rich plasma (PRP) promotes healing in experimentally-induced full-thickness skin wounds in animals. The hypothesis was that the adjunct of PRP has a positive effect on wound healing. An electronic search was carried out on the following databases: Web of Science, Cochrane Library, PubMed, Research Gate, Cochrane Wounds Group, Veterinary Information Network. No publication date nor language restrictions were applied. Randomised and not randomised controlled clinical trials comparing PRP with placebo or with other treatments were included. The reduction of open wound area in PRP-treated (test) wounds compared to control wounds was the primary outcome. Secondary outcomes were healing time and number of healed cases in test group compared to control. The following effect sizes were calculated: the Hedges' g for continuous variables; the odds ratio for binary data. Eighteen controlled clinical trials were included in the qualitative and quantitative synthesis, with a total of 661 wounds. All studies were published in the period 2007-2016. Eight studies were carried out on rodent/lagomorph mammals and 10 on non-rodent/lagomorph mammals. In all included studies, control wounds underwent placebo or were left untreated. The PRP group showed a better healing performance than the control group in each outcome. The effect size was statistically significant considering the primary outcome and the overall aggregation of the three outcomes. The effect size, although in favour of the treatment with PRP, was not significant considering the healing time and the number of healings. The overall heterogeneity was mild or moderate. Five studies reported a high risk of selection bias. The publication bias was always mild or absent. The results support the hypothesis of the positive effects of the PRP when compared to control groups in the treatment of experimentally-induced full-thickness skin wounds in animals. PRP can therefore be considered an effective adjunctive therapy in stimulating second intention healing of acute wounds in healthy animals.
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Affiliation(s)
- Adolfo Maria Tambella
- School of Biosciences and Veterinary Medicine, University of Camerino, Matelica, MC, Italy
- * E-mail:
| | - Anna Rita Attili
- School of Biosciences and Veterinary Medicine, University of Camerino, Matelica, MC, Italy
| | - Gilles Dupré
- Clinic for Small Animal Surgery, Department for Clinical Sciences, Veterinary Medicine University Vienna, Vienna, Austria
| | - Andrea Cantalamessa
- School of Biosciences and Veterinary Medicine, University of Camerino, Matelica, MC, Italy
| | - Stefano Martin
- School of Biosciences and Veterinary Medicine, University of Camerino, Matelica, MC, Italy
| | - Vincenzo Cuteri
- School of Biosciences and Veterinary Medicine, University of Camerino, Matelica, MC, Italy
| | - Sabrina Marcazzan
- Department of Biomedical Surgical and Dental Sciences, University of Milan, Milan, Italy
- IRCCS Galeazzi Orthopaedic Institute, Milan, Italy
| | - Massimo Del Fabbro
- Department of Biomedical Surgical and Dental Sciences, University of Milan, Milan, Italy
- IRCCS Galeazzi Orthopaedic Institute, Milan, Italy
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Hixon KR, Lu T, Carletta MN, McBride-Gagyi SH, Janowiak BE, Sell SA. A preliminary in vitro evaluation of the bioactive potential of cryogel scaffolds incorporated with Manuka honey for the treatment of chronic bone infections. J Biomed Mater Res B Appl Biomater 2017; 106:1918-1933. [PMID: 28960886 DOI: 10.1002/jbm.b.34002] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2017] [Revised: 05/17/2017] [Accepted: 06/15/2017] [Indexed: 12/18/2022]
Abstract
Previous studies have identified honey as an agent in bacterial inhibition and a mediator in lowering the pH at the wound site. Manuka honey (MH), indigenous to New Zealand, contains a Unique Manuka Factor that provides an additional antibacterial agent. While there are many potential benefits to incorporating MH into wounds, there is currently no ideal way to deliver the material to the site of injury. Cryogels are a type of scaffold that possess high porosity, mechanical stability, and a sponge-like consistency. This study uniquely incorporates varying amounts of MH into cryogel scaffolds, utilizing its properties in a sustained release fashion to assist in the overall healing process, while using the cryogel structure as a tissue template. All cryogels were evaluated to determine the effects of MH on porosity, swelling potential, mechanical durability, and cell compatibility. The release of MH was also quantified to evaluate bacterial clearance potential, and the scaffolds were mineralized to replicate native bone. It was determined that a 5% MH silk fibroin cryogel has the potential to inhibit bacterial growth while still maintaining adequate porosity, mechanical properties, and cell infiltration. Such a scaffold would have use in a number of applications, including bone regeneration. © 2017 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 106B: 1918-1933, 2018.
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Affiliation(s)
- Katherine R Hixon
- Department of Biomedical Engineering, Parks College of Engineering, Aviation, and Technology, Saint Louis University, St. Louis, Missouri
| | - Tracy Lu
- Department of Biomedical Engineering, Parks College of Engineering, Aviation, and Technology, Saint Louis University, St. Louis, Missouri
| | - Marissa N Carletta
- Department of Biomedical Engineering, Parks College of Engineering, Aviation, and Technology, Saint Louis University, St. Louis, Missouri
| | | | | | - Scott A Sell
- Department of Biomedical Engineering, Parks College of Engineering, Aviation, and Technology, Saint Louis University, St. Louis, Missouri
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Jain E, Sheth S, Dunn A, Zustiak SP, Sell SA. Sustained release of multicomponent platelet-rich plasma proteins from hydrolytically degradable PEG hydrogels. J Biomed Mater Res A 2017; 105:3304-3314. [PMID: 28865187 DOI: 10.1002/jbm.a.36187] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2017] [Revised: 07/12/2017] [Accepted: 08/15/2017] [Indexed: 12/14/2022]
Abstract
Platelet-rich plasma (PRP), an autologous blood derived product is a concentrated mix of multiple growth factors and cytokines. Direct injections of PRP are clinically used for treatment of various musculoskeletal disorders and in wound healing. However, PRP therapy has met with limited clinical success possibly due to unpredictable and premature bolus delivery of PRP growth factors. The objective of this study was to predictably control the bioavailability of PRP growth factors using a hydrolytically degradable polyethylene glycol (PEG) hydrogel. We used a step-growth polymerization based on a Michael-type addition reaction between a 6-arm PEG-acrylate and a dithiol crosslinker, which led to the formation of a homogenous hydrogel network under mild, physiologically relevant conditions. Specifically, to model the release of multicomponent PRP through PEG hydrogels, we examined bulk diffusion of PRP as well as model proteins in a size range corresponding to that of growth factors found in PRP. Our results indicated that protein size and hydrogel degradation controlled diffusion of all proteins and that secondary structure of proteins encapsulated during gelation remained unaffected post-release. Analysis of specific PRP proteins released from the hydrogel showed sustained release until complete hydrogel degradation. PRP released from hydrogels promoted proliferation of human dermal fibroblast, indicating retained bioactivity upon encapsulation and release. The versatile hydrogel system holds clinical potential as a therapeutic drug delivery depot of multicomponent mixtures like PRP. © 2017 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 105A: 3304-3314, 2017.
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Affiliation(s)
- Era Jain
- Department of Biomedical Engineering, , Saint Louis University, Saint Louis, Missouri, 63103
| | - Saahil Sheth
- Department of Biomedical Engineering, , Saint Louis University, Saint Louis, Missouri, 63103
| | - Andrew Dunn
- Department of Biomedical Engineering, , Saint Louis University, Saint Louis, Missouri, 63103
| | - Silviya P Zustiak
- Department of Biomedical Engineering, , Saint Louis University, Saint Louis, Missouri, 63103
| | - Scott A Sell
- Department of Biomedical Engineering, , Saint Louis University, Saint Louis, Missouri, 63103
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Nordin A, Sainik NQAV, Zulfarina MS, Naina-Mohamed I, Saim A, Bt Hj Idrus R. Honey and epithelial to mesenchymal transition in wound healing: An evidence-based review. ACTA ACUST UNITED AC 2017. [DOI: 10.1016/j.wndm.2017.06.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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48
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Kadakia PU, Growney Kalaf EA, Dunn AJ, Shornick LP, Sell SA. Comparison of silk fibroin electrospun scaffolds with poloxamer and honey additives for burn wound applications. J BIOACT COMPAT POL 2017. [DOI: 10.1177/0883911517710664] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
A primary aim in wound-healing research is to construct an inexpensive, biodegradable dermal regeneration template with heightened moisture retention and permeability properties. The presence of moisture is important for optimal burn wound healing as it creates an environment for re-epithelialization and minimizes the risk of infections. Permeability can be achieved through a process known as electrospinning. This scaffold fabrication technique creates a mat of randomly oriented nanofibers that can readily mimic native extracellular matrix. Novel electrospun silk fibroin scaffolds were fabricated with poloxamer 407 (P407) and Manuka honey additives for a burn wound dermal regeneration template application. Enhanced human dermal fibroblast adhesion and cell infiltration were observed with the inclusion of P407, and scaffolds incorporated with Manuka honey demonstrated increased water uptake and a higher cell density within the scaffolds at the end of a 28-day period. Overall, this study established that both the silk fibroin/P407 and silk fibroin/Manuka honey scaffolds have the potential to be successful dermal regeneration templates, with P407 increasing surface wettability and Manuka honey modulating moisture retention.
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Affiliation(s)
- Parin U Kadakia
- Department of Biomedical Engineering, Saint Louis University, St. Louis, MO, USA
| | | | - Andrew J Dunn
- Department of Biomedical Engineering, Saint Louis University, St. Louis, MO, USA
| | | | - Scott A Sell
- Department of Biomedical Engineering, Saint Louis University, St. Louis, MO, USA
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TAKZAREE N, HASSANZADEH G, ROUINI MR, MANAYI A, HADJIAKHONDI A, MAJIDI ZOLBIN M. Evaluation of the Effects of Local Application of Thyme Honey in Open Cutaneous Wound Healing. IRANIAN JOURNAL OF PUBLIC HEALTH 2017; 46:545-551. [PMID: 28540272 PMCID: PMC5439045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
BACKGROUND Clinicians have been searching for ways to obtain "super normal" wound healing. Honey is a traditional remedy for the treatment of infected wounds. We aimed to evaluate the wound contraction and antibacterial properties of locally produced Thyme honey on managing full-thickness wounds in vivo. METHODS This experimental study was conducted in 2015, in Department of Pharmacology, School of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran on 54 adult male Wistar rats weighing 200-250 gr, and ages of 3-4 months. A square 1.5*1.5 wound was made on the back of the neck. The rats were divided into control and two experimental groups. Additionally, the control and experimental groups were separated into three subgroups corresponding to 4, 7, and 14 d of study. The control group did not receive any treatment. For histological studies, samples were taken from the wound and adjacent skin. This tissue was examined using histological staining (H&E). Wound surface and wound healing were evaluated. Data were analyzed by using one-way ANOVA with post hoc Tukey test and (P<0.05) was significant. RESULTS The macroscopic and microscopic evaluations showed that the percentage of wound healing on different days in the control and experimental groups were significant (P< 0.05). CONCLUSION Using honey twice a day on open wounds will accelerate the healing process.
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Affiliation(s)
- Nasrin TAKZAREE
- Dept. of Anatomy & Histology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Gholamreza HASSANZADEH
- Dept. of Anatomy, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Reza ROUINI
- Medicinal Plants Research Center, School of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Azadeh MANAYI
- Medicinal Plants Research Center, School of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Abbas HADJIAKHONDI
- Medicinal Plants Research Center, School of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran,Corresponding Author:
| | - Masoumeh MAJIDI ZOLBIN
- Dept. of Anatomy, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran, Research Fellowship, Yale School of Medicine, New Haven, USA
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Hixon KR, Lu T, McBride-Gagyi SH, Janowiak BE, Sell SA. A Comparison of Tissue Engineering Scaffolds Incorporated with Manuka Honey of Varying UMF. BIOMED RESEARCH INTERNATIONAL 2017; 2017:4843065. [PMID: 28326322 PMCID: PMC5343224 DOI: 10.1155/2017/4843065] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/08/2016] [Revised: 02/02/2017] [Accepted: 02/05/2017] [Indexed: 11/17/2022]
Abstract
Purpose. Manuka honey (MH) is an antibacterial agent specific to the islands of New Zealand containing both hydrogen peroxide and a Unique Manuka Factor (UMF). Although the antibacterial properties of MH have been studied, the effect of varying UMF of MH incorporated into tissue engineered scaffolds have not. Therefore, this study was designed to compare silk fibroin cryogels and electrospun scaffolds incorporated with a 5% MH concentration of various UMF. Methods. Characteristics such as porosity, bacterial clearance and adhesion, and cytotoxicity were compared. Results. Pore diameters for all cryogels were between 51 and 60 µm, while electrospun scaffolds were 10 µm. Cryogels of varying UMF displayed clearance of approximately 0.16 cm for E. coli and S. aureus. In comparison, the electrospun scaffolds clearance ranged between 0.5 and 1 cm. A glucose release of 0.5 mg/mL was observed for the first 24 hours by all scaffolds, regardless of UMF. With respect to cytotoxicity, neither scaffold caused the cell number to drop below 20,000. Conclusions. Overall, when comparing the effects of the various UMF within the two scaffolds, no significant differences were observed. This suggests that the fabricated scaffolds in this study displayed similar bacterial effects regardless of the UMF value.
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Affiliation(s)
- Katherine R. Hixon
- Department of Biomedical Engineering, Parks College of Engineering, Aviation, and Technology, Saint Louis University, St. Louis, MO, USA
| | - Tracy Lu
- Department of Biomedical Engineering, Parks College of Engineering, Aviation, and Technology, Saint Louis University, St. Louis, MO, USA
| | | | | | - Scott A. Sell
- Department of Biomedical Engineering, Parks College of Engineering, Aviation, and Technology, Saint Louis University, St. Louis, MO, USA
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