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Fulltext Effect of transforming growth factor-β2 on biological regulation of multilayer primary chondrocyte culture

Khaghani SAB, Akbarova G, Soon CF, Dilbazi G

Cell Tissue Bank, 2018 Dec;19(4):763-775.
PMID: 30377863 DOI: 10.1007/s10561-018-9732-z

Cytokines are extremely potent biomolecules that regulate cellular functions and play multiple roles in initiation and inhibition of disease. These highly specialised macromolecules are actively involved in control of cellular proliferation, apoptosis, cell migration and adhesion. This work, investigates the effect of transforming growth factor-beta2 (TGF-β2) on the biological regulation of chondrocyte and the repair of a created model wound on a multilayer culture system. Also the effect of this cytokine on cell length, proliferation, and cell adhesion has been investigated. Chondrocytes isolated from knee joint of rats and cultured at 4 layers. Each layer consisted of 2 × 105 cells/ml with and without TGF-β2. The expression of mRNA and protein levels of TGF-β receptors and Smad1, 3, 4, and 7 have been analysed by RT-PCR and western blot analysis. The effect of different supplementations in chondrocyte cell proliferation, cell length, adhesion, and wound repair was statistically analysed by One-way ANOVA test. Our results showed that the TGFβ2 regulates mRNA levels of its own receptors, and of Smad3 and Smad7. Also the TGF-β2 caused an increase in chondrocyte cell length, but decreased its proliferation rate and the wound healing process. TGF-β2 also decreased cell adhesion ability to the surface of the culture flask. Since, TGF-β2 increased the cell size, but showed negative effect on cell proliferation and adhesion of CHC, the effect of manipulated TGF-β2 with other growth factors and/or proteins needs to be investigated to finalize the utilization of this growth factor and design of scaffolding in treatment of different types of arthritis.

Matched MeSH terms: Wound Healing/drug effects
Report: Wound healing activity of Hymenocallis littoralis - Moving beyond ornamental plant

Sundarasekar J, Sahgal G, Murugaiyah V, Lay LK, Thong OM, Subramaniam S

Pak J Pharm Sci, 2018 Nov;31(6):2537-2543.
PMID: 30473529

Spider lily (Hymenocallis littoralis) belongs to Amaryllidaceae family is a well-known plant species for its medicinal properties. The inhibitory effects of H. littoralis methanol sonication extracts were evaluated for wound healing activity. This is the first report on the wound healing activity of Malaysian origin H. littoralis. The bulb, flower, root, anther, stem and leaves of H. littoralis methanol sonication extracts were used for scratch-wound assay. The cell line was treated with two different concentrations; 1 and 10μg/ml of extracts. The extracts were prepared freshly by dissolving in sterile phosphate saline buffer (PBS) and the healing activity was observed from 2, 4, 8, 12, 24, 36 and 48 h. The bulb, root, stem and anther methanol extracts demonstrated active wound healing activities at 1 μg mL-1at 36 h of treatment. At the low concentration the bulb, root, stem and anther methanol extracts heals the wound compared to leaf and flower extracts. It's demonstrated that these extracts contain effective phytochemical substances which are responsible for wound healing process. This finding suggests the potential application of H. littoralis methanol extract in wound healing activity.

Matched MeSH terms: Wound Healing/drug effects*
A prospective study evaluating wound healing with sea cucumber gel compared with hydrogel in treatment of skin graft donor sites

Poh Yuen Wen A, Halim AS, Mat Saad AZ, Mohd Nor F, Wan Sulaiman WA

Complement Ther Med, 2018 Dec;41:261-266.
PMID: 30477850 DOI: 10.1016/j.ctim.2018.10.006

BACKGROUND: Gamat (sea-cucumber) is a natural occurring fauna which is popularly used as traditional medication in Southeast Asian countries. There have been many animal studies done on its' biochemical properties and its' effects in vivo. The effect of gamat on human cutaneous wounds was studied using a split-skin graft donor site wound.
METHODS: This was a comparative case-control study done on patients in Hospital Universiti Sains Malaysia (Hospital USM), requiring split-thickness skin grafting, whereby, the skin graft donor site was divided to almost equal halves, and applied with both gamat-based gel on one side, with Duoderm® hydrogel on the other side. The epithelialization of the wounds was observed and compared on days 10, 14 and 21. Pain score, and pruritus score were also observed. Repeated measure analysis of variance (ANOVA) test and Paired t-test was used to test statistical significance accordingly.
RESULTS: No significant differences were seen in rates of epithelialization of wounds on days 10, 14 and 21 (p > 0.01). No significant difference was also seen in the pain score and pruritus score (p > 0.01).
CONCLUSIONS: A gamat-based gel is comparable to conventional hydrogels in treatment of split-skin graft donor site. No adverse effects were observed in either group.

Matched MeSH terms: Wound Healing/drug effects*
Understanding the multifaceted mechanisms of diabetic wound healing and therapeutic application of stem cells conditioned medium in the healing process

Fui LW, Lok MPW, Govindasamy V, Yong TK, Lek TK, Das AK

J Tissue Eng Regen Med, 2019 12;13(12):2218-2233.
PMID: 31648415 DOI: 10.1002/term.2966

Mesenchymal stem cells (MSCs) transplantation seems to be a promising new therapy for diabetic wound healing (DWH), and currently, arrays of MSCs from various sources ranging from umbilical, adipose to dental sources are available as a treatment modality for this disease. However, it now appears that only a fraction of transplanted cells actually assimilate and survive in host tissues suggesting that the major mechanism by which stem cells participate in tissue repair are most likely related to their secretome level. These include a wide range of growth factors, cytokines, and chemokines, which can be found from the conditioned medium (CM) used to culture the cells. Basic studies and preclinical work confirm that the therapeutic effect of CMs are comparable with the application of stem cells. This review describes in detail the wound healing process in diabetes and the cellular and biological factors that influence the process. Subsequently, through a comprehensive literature search of studies related to wound healing in diabetics, we aim to provide an overview of scientific merits of using MSCs-CM in the treatment of diabetic wound as well as the significant caveats, which restricts its potential use in clinical set-ups. To our best knowledge, this is one of the first review papers that collect the importance of stem cells as an alternative treatment to the DWH. We anticipate that the success of this treatment will have a significant clinical impact on diabetic wounds.

Matched MeSH terms: Wound Healing/drug effects*
Fulltext Development of Antibacterial, Degradable and pH-Responsive Chitosan/Guar Gum/Polyvinyl Alcohol Blended Hydrogels for Wound Dressing

Khan MUA, Iqbal I, Ansari MNM, Razak SIA, Raza MA, Sajjad A, et al.

Molecules, 2021 Sep 30;26(19).
PMID: 34641480 DOI: 10.3390/molecules26195937

The present research is based on the fabrication preparation of CS/PVA/GG blended hydrogel with nontoxic tetra orthosilicate (TEOS) for sustained paracetamol release. Different TEOS percentages were used because of their nontoxic behavior to study newly designed hydrogels' crosslinking and physicochemical properties. These hydrogels were characterized using Fourier-transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and wetting to determine the functional, surface morphology, hydrophilic, or hydrophobic properties. The swelling analysis in different media, degradation in PBS, and drug release kinetics were conducted to observe their response against corresponding media. The FTIR analysis confirmed the components added and crosslinking between them, and surface morphology confirmed different surface and wetting behavior due to different crosslinking. In various solvents, including water, buffer, and electrolyte solutions, the swelling behaviour of hydrogel was investigated and observed that TEOS amount caused less hydrogel swelling. In acidic pH, hydrogels swell the most, while they swell the least at pH 7 or higher. These hydrogels are pH-sensitive and appropriate for controlled drug release. These hydrogels demonstrated that, as the ionic concentration was increased, swelling decreased due to decreased osmotic pressure in various electrolyte solutions. The antimicrobial analysis revealed that these hydrogels are highly antibacterial against Gram-positive (Staphylococcus aureus and Bacillus cereus) and Gram negative (Pseudomonas aeruginosa and Escherichia coli) bacterial strains. The drug release mechanism was 98% in phosphate buffer saline (PBS) media at pH 7.4 in 140 min. To analyze drug release behaviour, the drug release kinetics was assessed against different mathematical models (such as zero and first order, Higuchi, Baker-Lonsdale, Hixson, and Peppas). It was found that hydrogel (CPG2) follows the Peppas model with the highest value of regression (R2 = 0.98509). Hence, from the results, these hydrogels could be a potential biomaterial for wound dressing in biomedical applications.

Matched MeSH terms: Wound Healing/drug effects*
Gene expression changes in the human fibroblast induced by Centella asiatica triterpenoids

Coldren CD, Hashim P, Ali JM, Oh SK, Sinskey AJ, Rha C

Planta Med, 2003 Aug;69(8):725-32.
PMID: 14531023

The molecular pathways underlying the diverse biological activity of the triterpeniod compounds isolated from the tropical medicinal plant Centella asiatica were studied with gene microarrays and real-time reverse transcription polymerase chain reaction (real-time RT-PCR) to quantify the expression of 1053 human genes in human fibroblasts. Fibroblast cells grown in culture were used as a model system to evaluate the stimulation of wound healing by titrated extract from Centella asiatica (TECA) as well as by the four principal triterpenoid components of Centella. TECA treatment effects the expression of genes involved in angiogenesis and the remodeling of extracellular matrix, as well as diverse growth factor genes. The extent of expression change of TNFAIP6, an extracellular hyaluronan binding protein, was found to be largely dose-dependent, to respond most strongly to the free acids asiatic acid and madecassic acid, and to increase in expression over 48 hours of treatment. These results show that Centella triterpenes evoke a gene-expression response consistent with their prevailing medical uses in the treatment of connective tissue disorders such as wound healing and microangiopathy. The identification of genes modulated by these compounds provides the basis for a molecular understanding of Centella's bioactivity, and opportunities for the quantitative correlation of this activity with clinical effectiveness at a molecular level.

Matched MeSH terms: Wound Healing/drug effects*
Emerging Trends in Therapeutic Algorithm of Chronic Wound Healers: Recent Advances in Drug Delivery Systems, Concepts-to-Clinical Application and Future Prospects

Shao M, Hussain Z, Thu HE, Khan S, de Matas M, Silkstone V, et al.

Crit Rev Ther Drug Carrier Syst, 2017;34(5):387-452.
PMID: 29256838 DOI: 10.1615/CritRevTherDrugCarrierSyst.2017016957

Chronic wounds which include diabetic foot ulcer (DFU), pressure ulcer, and arterial or venous ulcers compel a significant burden to the patients, healthcare providers, and the healthcare system. Chronic wounds are characterized by an excessive persistent inflammatory phase, prolonged infection, and the failure of defense cells to respond to environmental stimuli. Unlike acute wounds, chronic nonhealing wounds pose a substantial challenge to conventional wound dressings, and the development of novel and advanced wound healing modalities is needed. Toward this end, numerous conventional wound-healing modalities have been evaluated in the management of nonhealing wounds, but a multifaceted approach is lacking. Therefore, this review aims to compile and explore the wide therapeutic algorithm of current and advanced wound healing approaches to the treatment of chronic wounds. The algorithm of chronic wound healing techniques includes conventional wound dressings; approaches based on autografts, allografts, and cultured epithelial autografts; and recent modalities based on natural, modified or synthetic polymers and biomaterials, processed mutually in the form of hydrogels, films, hydrocolloids, and foams. Moreover, this review also explores the promising potential of advanced drug delivery systems for the sustained delivery of growth factors, curcumin, aloe vera, hyaluronic acid, and other bioactive substances as well as stem cell therapy. The current review summarizes the convincing evidence for the clinical dominance of polymer-based chronic wound healing modalities as well as the latest and innovative therapeutic strategies for the treatment of chronic wounds.

Matched MeSH terms: Wound Healing/drug effects*
Fulltext In vitro models in biocompatibility assessment for biomedical-grade chitosan derivatives in wound management

Keong LC, Halim AS

Int J Mol Sci, 2009 Mar;10(3):1300-1313.
PMID: 19399250 DOI: 10.3390/ijms10031300

One of the ultimate goals of wound healing research is to find effective healing techniques that utilize the regeneration of similar tissues. This involves the modification of various wound dressing biomaterials for proper wound management. The biopolymer chitosan (beta-1,4-D-glucosamine) has natural biocompatibility and biodegradability that render it suitable for wound management. By definition, a biocompatible biomaterial does not have toxic or injurious effects on biological systems. Chemical and physical modifications of chitosan influence its biocompatibility and biodegradability to an uncertain degree. Hence, the modified biomedical-grade of chitosan derivatives should be pre-examined in vitro in order to produce high-quality, biocompatible dressings. In vitro toxicity examinations are more favorable than those performed in vivo, as the results are more reproducible and predictive. In this paper, basic in vitro tools were used to evaluate cellular and molecular responses with regard to the biocompatibility of biomedical-grade chitosan. Three paramount experimental parameters of biocompatibility in vitro namely cytocompatibility, genotoxicity and skin pro-inflammatory cytokine expression, were generally reviewed for biomedical-grade chitosan as wound dressing.

Matched MeSH terms: Wound Healing/drug effects*
Fulltext The Role of Calcium in Wound Healing

Subramaniam T, Fauzi MB, Lokanathan Y, Law JX

Int J Mol Sci, 2021 Jun 17;22(12).
PMID: 34204292 DOI: 10.3390/ijms22126486

Skin injury is quite common, and the wound healing is a complex process involving many types of cells, the extracellular matrix, and soluble mediators. Cell differentiation, migration, and proliferation are essential in restoring the integrity of the injured tissue. Despite the advances in science and technology, we have yet to find the ideal dressing that can support the healing of cutaneous wounds effectively, particularly for difficult-to-heal chronic wounds such as diabetic foot ulcers, bed sores, and venous ulcers. Hence, there is a need to identify and incorporate new ideas and methods to design a more effective dressing that not only can expedite wound healing but also can reduce scarring. Calcium has been identified to influence the wound healing process. This review explores the functions and roles of calcium in skin regeneration and reconstruction during would healing. Furthermore, this review also investigates the possibility of incorporating calcium into scaffolds and examines how it modulates cutaneous wound healing. In summary, the preliminary findings are promising. However, some challenges remain to be addressed before calcium can be used for cutaneous wound healing in clinical settings.

Matched MeSH terms: Wound Healing/drug effects
Fulltext Recent Advances in Scaffolding from Natural-Based Polymers for Volumetric Muscle Injury

Nuge T, Liu Z, Liu X, Ang BC, Andriyana A, Metselaar HSC, et al.

Molecules, 2021 Jan 29;26(3).
PMID: 33572728 DOI: 10.3390/molecules26030699

Volumetric Muscle Loss (VML) is associated with muscle loss function and often untreated and considered part of the natural sequelae of trauma. Various types of biomaterials with different physical and properties have been developed to treat VML. However, much work remains yet to be done before the scaffolds can pass from the bench to the bedside. The present review aims to provide a comprehensive summary of the latest developments in the construction and application of natural polymers-based tissue scaffolding for volumetric muscle injury. Here, the tissue engineering approaches for treating volumetric muscle loss injury are highlighted and recent advances in cell-based therapies using various sources of stem cells are elaborated in detail. An overview of different strategies of tissue scaffolding and their efficacy on skeletal muscle cells regeneration and migration are presented. Furthermore, the present paper discusses a wide range of natural polymers with a special focus on proteins and polysaccharides that are major components of the extracellular matrices. The natural polymers are biologically active and excellently promote cell adhesion and growth. These bio-characteristics justify natural polymers as one of the most attractive options for developing scaffolds for muscle cell regeneration.

Matched MeSH terms: Wound Healing/drug effects
Wound infection following stoma reversal: a prospective comparative study between primary closure and partial closure with intervening silver dressings

Zubaidah NH, Soo JY, Qisti N, Ong KW, Gee T

Int J Colorectal Dis, 2016 Jul;31(7):1381-2.
PMID: 26728021 DOI: 10.1007/s00384-015-2487-0
Matched MeSH terms: Wound Healing/drug effects
Development and physicochemical characterization of alginate composite film loaded with simvastatin as a potential wound dressing

Rezvanian M, Amin MCIM, Ng SF

Carbohydr Polym, 2016 Feb 10;137:295-304.
PMID: 26686133 DOI: 10.1016/j.carbpol.2015.10.091

Previously, studies have demonstrated that topical application of simvastatin can promote wound healing in diabetic mice via augmentation of angiogenesis and lymphangiogenesis. This study aimed to formulate and characterize simvastatin in alginate-based composite film wound dressings. Biopolymers used for composite films were sodium alginate blended with pectin or gelatin. The films were prepared and characterized based on their physical properties, surface morphology, mechanical strength and rheology. Then, in vitro drug releases from the films were investigated and, finally, the cell viability assay was performed to assess the cytotoxicity profile. From the pre-formulation studies, alginate/pectin composite film showed to possess desirable wound dressing properties and superior mechanical properties. The in vitro drug release profile revealed that alginate/pectin film produced a controlled release drug profile, and cell viability assay showed that the film was non-toxic. In summary, alginate/pectin composite film is suitable to be formulated with simvastatin as a potential wound dressing.

Matched MeSH terms: Wound Healing/drug effects
Fulltext Potential activity of 3-(2-chlorophenyl)-1-phenyl-propenonein accelerating wound healing in rats

Dhiyaaldeen SM, Alshawsh MA, Salama SM, Alwajeeh NS, Al Batran R, Ismail S, et al.

Biomed Res Int, 2014;2014:792086.
PMID: 24587992 DOI: 10.1155/2014/792086

Wound healing involves inflammation followed by granular tissue development and scar formation. In this study, synthetic chalcone 3-(2-Chlorophenyl)-1-phenyl-propenone (CPPP) was investigated for a potential role in enhancing wound healing and closure. Twenty-four male rats were divided randomly into 4 groups: carboxymethyl cellulose (CMC) (0.2 mL), Intrasite gel, and CPPP (25 or 50 mg/mL). Gross morphology, wounds treatment with the CPPP, and Intrasite gel accelerate the rate of wound healing compared to CMC group. Ten days after surgery, the animals were sacrificed. Histological assessment revealed that the wounds treated with CPPP showed that wound closure site contained little amount of scar and the granulation tissue contained more collagen and less inflammatory cells than wound treated with CMC. This finding was confirmed with Masson's trichrome staining. The antioxidant defence enzymes catalase (CAT) and superoxide dismutase (SOD) were significantly increased in the wound homogenates treated with CPPP (P < 0.05) compared to CMC treated group. However, in the CPPP treatment group, lipid peroxidation (MDA) was significantly decreased (P < 0.05), suggesting that the CPPP also has an important role in protection against lipid peroxidation-induced skin injury after ten days of treatment with CPPP, which is similar to the values of cytokines TGF-β and TNF-α in tissue homogenate. Finally the administration of CPPP at a dosage of 25 and 50 mg/kg was suitable for the stimulation of wound healing.

Matched MeSH terms: Wound Healing/drug effects*
A systematic review of silver-containing dressings and topical silver agents (used with dressings) for burn wounds

Aziz Z, Abu SF, Chong NJ

Burns, 2012 May;38(3):307-18.
PMID: 22030441 DOI: 10.1016/j.burns.2011.09.020

Silver preparations are commonly used for burns, but evidence of their effectiveness remains poorly defined. The aim of the study was to evaluate the effectiveness of silver-containing dressings and topical silver for preventing infection and promoting healing in burns wounds through a meta-analysis of the available evidence. The Cochrane Central Register of Controlled Trials and relevant databases were searched. Drug companies and experts in this field were also contacted. Randomised controlled trials (RCTs) of silver dressings or topical silver (used with dressings) compared with non-silver dressings were eligible for inclusion. We identified 14 RCTs involving 877 participants. One small trial of a silver-containing dressing showed significantly better healing time compared to the control [MD -3.6; 95% CI -4.94 to -2.26 for partial thickness burns and MD -3.9; 95% CI -4.54 to -3.26 for superficial burns]. Topical silver showed significantly worse healing time compared to the non-silver group [WMD 3.96; 95% CI 2.41-5.51] and showed no evidence of effectiveness in preventing wounds infection [WMD 2.48; 95% CI 0.39-15.73]. Our review suggests that silver-containing dressings and topical silver were either no better or worse than control dressings in preventing wound infection and promoting healing of burn wounds.

Matched MeSH terms: Wound Healing/drug effects
Effect of Andrographis paniculata leaf extract on wound healing in rats

Al-Bayaty FH, Abdulla MA, Abu Hassan MI, Ali HM

Nat Prod Res, 2012;26(5):423-9.
PMID: 21660840 DOI: 10.1080/14786419.2010.496114

This work was carried out to study the effect of topical application of Andrographis paniculata on the rate of wound enclosure and its histological features. A wound was created in four groups of rat in posterior neck region. Blank placebo was applied topically to the wounds of Group 1. Groups 2 and 3 were dressed with placebo containing 5% and 10% extracts of A. paniculata, respectively. Intrasite gel was applied topically to the wounds of Group 4. Macroscopical examination revealed that the rate of wound healing was significantly accelerated in the wound dressed with A. paniculata extract compared to the blank placebo. The wounds dressed with 10% extract or Intrasite gel healed earlier compared to the wounds dressed with placebo containing 5% A. paniculata extract. Histologically, wounds dressed with A. paniculata extracts showed markedly less scar width and contained large amounts of fibroblast proliferation. More collagen and less angiogenesis with absence of inflammatory cells were seen for wounds dressed with 10% A. paniculata compared to the blank placebo. Conclusion, A. paniculata extracts significantly enhanced rate of wound healing in rats.

Matched MeSH terms: Wound Healing/drug effects*
Fulltext Wound healing potential of Elaeis guineensis Jacq leaves in an infected albino rat model

Sasidharan S, Nilawatyi R, Xavier R, Latha LY, Amala R

Molecules, 2010 Apr 30;15(5):3186-99.
PMID: 20657471 DOI: 10.3390/molecules15053186

ETHNOPHARMACOLOGICAL RELEVANCE: Elaeis guineensis Jacq (Arecaceae) is one of the plants that are central to the lives of traditional societies in West Africa. It has been reported as a traditional folkloric medicine for a variety of ailments. The plant leaves are also used in some parts of Africa for wound healing, but there are no scientific reports on any wound healing activity of the plant.
AIM OF THE STUDY: To investigate the effects of E. guineensis leaf on wound healing activity in rats.
METHODS: A phytochemical screening was done to determine the major phytochemicals in the extract. The antimicrobial activity of the extract was examined using the disk diffusion technique and broth dilution method. The wound healing activity of leaves of E. guineensiswas studied by incorporating the methanolic extract in yellow soft paraffin in concentration of 10% (w/w). Wound healing activity was studied by determining the percentage of wound closure, microbial examination of granulated skin tissue and histological analysis in the control and extract treated groups.
RESULTS: Phytochemical screening reveals the presence of tannins, alkaloids, steroids, saponins, terpenoids, and flavonoids in the extract. The extract showed significant activity against Candida albicans with an MIC value of 6.25 mg/mL. The results show that the E. guineensis extract has potent wound healing capacity, as evident from better wound closure, improved tissue regeneration at the wound site, and supporting histopathological parameters pertaining to wound healing. Assessment of granulation tissue every fourth day showed a significant reduction in microbial count.
CONCLUSIONS: E. guineensis accelerated wound healing in rats, thus supporting this traditional use.

Matched MeSH terms: Wound Healing/drug effects*
Recent patents on topical application of honey in wound and burn management

Benhanifia MB, Boukraâ L, Hammoudi SM, Sulaiman SA, Manivannan L

Recent Pat Inflamm Allergy Drug Discov, 2011 Jan;5(1):81-6.
PMID: 21171951

Topical application of honey to burn and wounds has been found to be effective in controlling infection and producing a clean granulating bed. It is suggested that the wound healing effect of honey may in part be related to the release of inflammatory cytokines from surrounding tissue cells, mainly monocytes and macrophages. It has been reported that honey hastens wound healing by accelerating wound contractions. Microscopic evaluation demonstrated that there was a significant acceleration of dermal repair in wound treated with honey. Macroscopic and microscopic observations under in vivo assessment suggested that the topical application of honey might have favourable influences on the various phases of burn and wound healing hence accelerating the healing process. The regulatory effects of honey are related to components other than the sugars. However, the mechanisms by which honey affects the release of anti inflammatory agents and growth factors from monocytic cells are as yet unclear. Whether honey affects other cell types, particularly endothelial cells and fibroblasts, involved in wound healing also needs to be clarified. The present article is a short review of recent patents on the healing effect of honey in wound and burn management.

Matched MeSH terms: Wound Healing/drug effects*
The effect of Piper betel extract on the wound healing process in experimentally induced diabetic rats

Keat EC, Razak SS, Fadil NM, Yusof FM, Chan LH, Chyi FK, et al.

Clin Ter, 2010;161(2):117-20.
PMID: 20499023

Piper betel (PB) possesses antimicrobial, antifungal, antioxidant and wound healing properties due to its powerful antioxidant effect. Diabetes mellitus (DM) is a metabolic disorder which is associated with complications like impaired wound healing, nephropathy and neuropathy. The main aim of the study was to study the wound healing properties of PB.

Matched MeSH terms: Wound Healing/drug effects*
Fulltext A comparative study between honey and povidone iodine as dressing solution for Wagner type II diabetic foot ulcers

Shukrimi A, Sulaiman AR, Halim AY, Azril A

Med J Malaysia, 2008 Mar;63(1):44-6.
PMID: 18935732 MyJurnal

Honey dressing has been used to promote wound healing for years but scanty scientific studies did not provide enough evidences to justify it benefits in the treatment of diabetic foot ulcers. We conducted a prospective study to compare the effect of honey dressing for Wagner's grade-II diabetic foot ulcers with controlled dressing group (povidone iodine followed by normal saline). Surgical debridement and appropriate antibiotics were prescribed in all patients. There were 30 patients age between 31 to 65-years-old (mean of 52.1 years). The mean healing time in the standard dressing group was 15.4 days (range 9-36 days) compared to 14.4 days (range 7-26 days) in the honey group (p < 0.005). In conclusion, ulcer healing was not significantly different in both study groups. Honey dressing is a safe alternative dressing for Wagner grade-II diabetic foot ulcers.

Matched MeSH terms: Wound Healing/drug effects
Wound healing activity of Ocimum sanctum Linn with supportive role of antioxidant enzymes

Shetty S, Udupa S, Udupa L, Somayaji N

Indian J. Physiol. Pharmacol., 2006 Apr-Jun;50(2):163-8.
PMID: 17051736

The present study was performed to evaluate the wound healing and antioxidant effect of aqueous extract of Ocimum sanctum Linn. (O. sanctum) in rats. Albino rats of either sex were divided into 2 groups. Group I: Wounded control rats; Group II: Wounded rats administered O. sanctum aqueous extract. Wound breaking strength in incision wound model, epithelization period and percent wound contraction in excision wound model were studied. Using dead space wound model, granulation tissue breaking strength, granulation tissue dry weight, hydoxyproline level in dry granulation tissue, superoxide dismutase (SOD) and catalase levels in wet granulation tissue were estimated in both the groups. Increased wound breaking strength, decreased epithelization period, increased percent wound contraction, increased granulation tissue weight and hydroxyproline concentrations were observed. The increased activity of antioxidant enzymes such as SOD, catalase level in extract treated group compared to controls. Granulation tissue was subjected to histopathological examination to determine the pattern of lay-down for collagen using Haematoxylin and Eosin stains which confirm the results. Owing to wound healing and antioxidant activities, O. sanctum may be useful in the management of abnormal healing such as keloids and hypertrophic scars.

Matched MeSH terms: Wound Healing/drug effects*

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