scholarly journals Antimicrobial and Regenerative Effects of Placental Multipotent Mesenchymal Stromal Cell Secretome-Based Chitosan Gel on Infected Burns in Rats

2021 ◽  
Vol 14 (12) ◽  
pp. 1263
Author(s):  
Vasily Kudinov ◽  
Rafael Artyushev ◽  
Irina Zurina ◽  
Roman Lapshin ◽  
Ludmila Snopova ◽  
...  
Keyword(s):  
Wound Healing ◽  
Mesenchymal Stromal Cell ◽  
Stromal Cell ◽  
Cultured Cells ◽  
Skin Wound ◽  
Water Soluble ◽  
Burn Wound ◽  
Multipotent Mesenchymal Stromal Cell ◽  
Burned Areas ◽  
Burn Wound Healing

Background: There is a need for better strategies to promote burn wound healing and prevent infection. The aim of our study was to develop an easy-to-use placental multipotent mesenchymal stromal cell (MMSC) secretome-based chitosan hydrogel (MSC-Ch-gel) and estimate its antimicrobial and regenerative activity in Staphylococcus aureus-infected burn wounds in rats. Methods: Proteomic studies of the MMSC secretome revealed proteins involved in regeneration, angiogenesis, and defence responses. The MMSC secretome was collected from cultured cells and mixed with water-soluble chitosan to prepare the placental MSC-Ch-gel, which was stored in liquid phase at 4 °C. The wounds of rats with established II-IIIa-degree burns were then infected with S. aureus and externally covered with the MSC-Ch-gel. Three additional rat groups were treated with medical Vaseline oil, the antiseptic drug Miramistin®, or the drug Bepanthen® Plus. Skin wound samples were collected 4 and 8 days after burning for further microbiological and histological analysis. Blood samples were also collected for biochemical analysis. Results: Application of the MSC-Ch-gel cleared the wound of microorganisms (S. aureus wasn’t detected in the washings from the burned areas), decreased inflammation, enhanced re-epithelialisation, and promoted the formation of well-vascularised granulation tissue. Conclusions: MSC-Ch-gel effectively promotes infected wound healing in rats with third-degree burns. Gel preparation can be easily implemented into clinical practice.

scholarly journals Effects of extractum cepae, heparin, allantoin gel and silver sulfadiazine on burn wound healing: an experimental study in a rat model

2012 ◽  
Vol 57 (No. 6) ◽  
pp. 287-292 ◽  
Author(s):  
AS Durmus ◽  
M. Yaman ◽  
HN Can
Keyword(s):  
Wound Healing ◽  
Rat Model ◽  
Silver Sulfadiazine ◽  
Control Group ◽  
Albino Rats ◽  
Burn Wound ◽  
Tissue Samples ◽  
Burned Areas ◽  
Positive Effects ◽  
Burn Wound Healing

These experiments were conducted in order to compare the effects of extractum cepae, heparin, allantoin gel (CTBX) and silver sulfadiazine (SSD) cream on burn wound healing in rats. Thirty six adult, female Wistar albino rats were divided into three equal groups. A burn was made on the back of all rats. The burned areas in the first, second and third groups were covered with cold cream (control), SSD skin cream and CTBX twice a day, respectively. Seven and 14 days later, the rats were sacrificed and burned skin tissue samples were collected from the rats for histopathological examinations. Histopatological evaluations on the 7<sup>th</sup> and 14<sup>th</sup> days showed burn healing to be better in the CTBX and SSD groups with respect to the control group. The best burn wound healing was observed in the CTBX group (P &lt; 0.001). Wound healing was significantly different between the groups at days 7 and 14 (P &lt; 0.001). In conclusion, application of CTBX has significant positive effects on the healing of burn wounds in a rat model. &nbsp;

scholarly journals Effects of Nigella sativa and silver sulfadiazine on burn wound healing in rats

2010 ◽  
Vol 55 (No. 12) ◽  
pp. 619-624 ◽  
Author(s):  
I. Yaman ◽  
AS Durmus ◽  
S. Ceribasi ◽  
M. Yaman
Keyword(s):  
Wound Healing ◽  
Nigella Sativa ◽  
Silver Sulfadiazine ◽  
Control Group ◽  
Albino Rats ◽  
Burn Wound ◽  
Tissue Samples ◽  
Burned Areas ◽  
Burn Wound Healing ◽  
Cold Cream

This experiment was conducted in order to compare the effects of Nigella sativa (NS) and silver sulfadiazine (SSD) cream on healing of burn wounds in rats. Fifty four adult, male Wistar-albino rats were divided into three groups of equal numbers. A burn was generated on the backs of all the rats. The burned areas in the first, second and third groups were covered with daily cold cream (control), SSD cream and NS cream (50% NS oil + 50% cold cream), respectively. Four, nine, and 14 days later, the rats were sacrificed and the burned skin tissue samples were collected for histopathological examinations. Histopatological evaluations on the 4th, 9th and 14th days showed burn healing to be better in the NS and SSD groups with respect to the control group. Wound healing was significantly different among the groups at 4th, 9th and 14th days (P &lt; 0.001). In conclusion, application of NS and SSD cream are effective in healing burn related skin wounds in the rat model.

scholarly journals Effects of ginsenoside Rb1 on second-degree burn wound healing and FGF-2/PDGF-BB/PDGFR-β pathway modulation

2021 ◽  
Vol 16 (1) ◽  
Author(s):  
Li Zhang ◽  
Qin Hu ◽  
Haonan Jin ◽  
Yongzhao Yang ◽  
Yan Yang ◽  
...  
Keyword(s):  
Wound Healing ◽  
Skin Wound ◽  
Ginsenoside Rb1 ◽  
Rt Pcr ◽  
Burn Wound ◽  
Skin Wound Healing ◽  
Burn Wound Healing ◽  
Degree Burn ◽  
Macroscopic Observation ◽  
Second Degree

Abstract Background Panax notoginseng (Burk.) F. H. Chen (P. notoginseng) is a traditional Chinese medicine that has been used therapeutically for cardiovascular diseases, inflammatory diseases and traumatic injuries as well as for external and internal bleeding due to injury. Ginsenoside Rb1, a crucial monomeric active constituent extracted from P. notoginseng, has attracted widespread attention because of its potential anti-inflammatory, bacteriostatic, and cell growth-promoting effects. In this study, the therapeutic effects of ginsenoside Rb1 on second-degree burn in rats and the potential underlying mechanisms were explored. Methods A rat model of second-degree burn injury was established, and skin wound healing was monitored at different time points after ginsenoside Rb1 treatment. HE staining was performed to identify burn severity, and biological tissues were biopsied on days 0, 7, 14, and 24 after treatment. Skin wound healing at different time points was monitored by macroscopic observation. Furthermore, IHC, WB, and RT-PCR were utilized to determine the protein and mRNA expression levels of PDGF-BB, PDGFR-β, and FGF-2 in wound tissues after treatment. Results HE staining showed that after 24 days of ginsenoside Rb1 treatment, skin tissue morphology was significant improved. Macroscopic observation demonstrated that in ginsenoside Rb1-treated rats, the scab removal time and fur growth time were decreased, and the wound healing rate was increased. Collectively, the results of IHC, WB and RT-PCR showed that PDGF-BB, PDGFR-β, and FGF-2 expressions peaked earlier in ginsenoside Rb1-treated rats than in model rats, consistent with the macroscopic observations. Conclusion Collectively, these findings  indicated that ginsenoside Rb1 promotes burn wound healing via a mechanism possibly associated with upregulation of FGF-2/PDGF-BB/PDGFR-β gene and protein expressions.

scholarly journals ROS-Eliminating Carboxymethyl Chitosan Hydrogel to Enhance Burn Wound-Healing Efficacy

2021 ◽  
Vol 12 ◽  
Author(s):  
Cheng Yang ◽  
Yuhui Chen ◽  
Hai Huang ◽  
Shicai Fan ◽  
Chengliang Yang ◽  
...  
Keyword(s):  
Wound Healing ◽  
Human Fibroblasts ◽  
Radical Scavenging ◽  
Skin Wound ◽  
Carboxymethyl Chitosan ◽  
Inflammatory Factor ◽  
Burn Wound ◽  
Skin Wound Healing ◽  
Burn Wound Healing

Overexpression of reactive oxygen species (ROS) can lead to chronic inflammation, which limits skin wound healing. Therefore, it is of great significance to develop materials that can locally control the adverse reactions caused by excessive ROS. In this research, an ROS-sensitive hydrogel with strong free radical scavenging ability was prepared by introducing the thione (Tk) group into carboxymethyl chitosan (CMCTS) hydrogel. CMCTS hydrogel was cross-linked by NH2-Tk-NH2 agent and loaded curcumin (Cur), which possessed favorable nontoxicity, water absorption, mechanical property, biodegradability, drug release behavior, the M2 phenotype, and inflammatory factor regulating the capacity of macrophages. It is worth noting that Cur@CMCTS-Tk hydrogel can significantly inhibit oxidative damage of human fibroblasts in the H2O2-induced microenvironment and protect their viability by reducing the production of intracellular ROS. In vivo, ROS-removing hydrogel effectively accelerated the process of wound healing and possessed good regenerative properties, including hair follicle formation, promotion of new blood vessel formation, and highly orderly arrangement of collagen fibers in the full-thickness skin burn defect rat model. Hence, we expect that the Cur@CMCTS-Tk hydrogel could be used for wound treatment and tissue regeneration due to the ability to scavenge excess ROS.

Adipose-Derived Stem Cell Condition Medium Enhances Expression of Ephrin-B2 Related to Neovascularization in Burn Wound Tissue

2018 ◽  
Vol 24 (8) ◽  
pp. 6168-6172
Author(s):  
Elvin Clara Angmalisang ◽  
Dewi Sukmawati ◽  
Lia Damayanti ◽  
Astheria Eryani ◽  
Jeanne A Pawitan
Keyword(s):  
Wound Healing ◽  
Conditioned Medium ◽  
Granulation Tissue ◽  
Skin Wound ◽  
Full Thickness ◽  
Sprague Dawley ◽  
Burn Wound ◽  
Burn Wounds ◽  
Burn Wound Healing ◽  
Wound Tissue

The transmembrane ligand ephrin-B2 is molecular marker for arterial endothelial cells and early blood vessel formation. Neovascularization is one of the important event that support wound healing. Adiposederived stem cells conditioned medium (ADSC-CM) is known to contain cytokines and growth factors as regenerative agent. This study aims to investigate the effect of ADSC-CM on ephrin-B2 expression that represent as neovascularization marker in burn wound granulation tissue. Male Sprague dawley rats were randomly divided into control, conditioned medium (CM) and medium complete (MC) groups. Full-thickness burn wounds were created by placing preheated metal plat on dorsal thorax of the prepared rats. The burn wounds were treated once daily according to their group. Skin wound tissues were collected at day 7, 14, and 21 post wounded for histological analysis. The expression of ephrin-B2 was demonstrated by immunohistochemistry staining. Neovascularization evaluation was done by calculating the number of newly formed capillaries that expressed Ephrin-B2 in wound granulation tissues. Expression of Ephrin-B2 in burn wound tissue was prominently increased in CM compared to control and MC groups on day 7, 14 and 21 post wounded. The CM group also showed higher neovascular number in granulation tissue compared to control and MC group on day 7, 14 and 21 (p < 0.05). Our results showed prominent ephrin-B2 expression in burn wound tissue after treated with ADSC-CM. Topical application of ADSC-CM has shown to promote angiogenesis in full-thickness burn wound in part through the increased of ephrin-B2 expression. Therefore ADSC-CM could act as an alternative strategy to promote burn wound healing.

scholarly journals The role of bone marrow mesenchymal stromal cell derivatives in skin wound healing in diabetic mice

PLoS ONE ◽  
2017 ◽  
Vol 12 (6) ◽  
pp. e0177533 ◽  
Author(s):  
Tomas de Mayo ◽  
Paulette Conget ◽  
Silvia Becerra-Bayona ◽  
Claudia L. Sossa ◽  
Virgilio Galvis ◽  
...  
Keyword(s):  
Bone Marrow ◽  
Wound Healing ◽  
Mesenchymal Stromal Cell ◽  
Stromal Cell ◽  
Skin Wound ◽  
Diabetic Mice ◽  
Skin Wound Healing

The Safety and Efficacy of Mupirocin Topical Spray for Burn Wound Healing in A Rat Model

2019 ◽  
Vol 10 (01) ◽  
Author(s):  
Sritharadol Rutthapol ◽  
Chunhachaichana Charisopon ◽  
Kumlungmak Sukanjana ◽  
Buatong Wilaiporn ◽  
Dechraksa Janwit ◽  
...  
Keyword(s):  
Wound Healing ◽  
Matrix Metalloproteinase ◽  
Rat Model ◽  
Transforming Growth Factor ◽  
Immunohistochemical Study ◽  
Enzyme Linked Immunosorbent Assay ◽  
Burn Wound ◽  
Safety And Efficacy ◽  
Burn Wound Healing ◽  
Tgf Β1

ABSTRACT This study evaluated the effect of mupirocin topical spray on burn wound healing in a rat model. Fifteen male Sprague Dawley rats were used to create full-thickness burns on the rat dorsum using a cylindrical stainless steel rod. The rats were topically treated with normal saline solution (NSS), mupirocin spray, ointment, and solution. The wound size and morphological evaluation were investigated by photographs and clinical criterions for wound healing. The histology was observed by hematoxylin and eosin (HandE) staining assay. The immunohistochemical study was evaluated by detection of transforming growth factor-beta 1 (TGF-β1), and the ratio of matrix metalloproteinase-9 to the tissue inhibitor of matrix metalloproteinase-1 (MMP-9/TIMP-1) was quantified using the enzyme-linked immunosorbent assay (ELISA) assay. A complete healing was observed at 28 days in all treatments. Mupirocin formulations accelerated the wound healing faster than NSS in size. However, the clinical criteria indicated a desirable skin appearance in the mupirocin spray and ointment treated groups. The histological evaluations showed no differences between the treatments while the immunohistochemical study revealed that all treatments reduced the level of TGF-β1 over time, particularly on day 28 in the mupirocin spray and ointment treated groups. The MMP-9/TIMP-1 ratio was significantly lower in the mupirocin spray and ointment treated groups than in the NSS and mupirocin solution groups. This study shows the safety and efficacy in the use of mupirocin topical spray. The topical mupirocin spray is an alternative suitable for development as a human topical anti-infective and wound protection spray.

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