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Pradal LDA, de Freitas E, Azevedo MRB, Costa R, Bertolini GRF. Photobiomodulation in Burn Wounds: A Systematic Review and Meta-Analysis of Clinical and Preclinical Studies. Photobiomodul Photomed Laser Surg 2024. [PMID: 39172550 DOI: 10.1089/photob.2023.0181] [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: 08/24/2024] Open
Abstract
Objective: This systematic review and meta-analysis main goal was to evaluate the efficacy of photobiomodulation as burn wounds treatment. Methods: Systematic review of literature available in databases such as PubMed, Web of Science, Embase, Latin American and Caribbean Health Sciences Literature (LILACS), and The Cumulative Index to Nursing and Allied Health Literature (CINAHL) and gray literature in Google Scholar, Livivi, and Open Gray. SYRCLE's RoB tool was applied to determine methodological quality and risk of bias, and meta-analysis was performed using the software Review Manager. Results: Fifty-one studies, gathering more than three thousand animals were included in this systematic review, and four studies were selected to the meta-analysis due to their suitability. The results indicated that photobiomodulation was not effective to improve, statistical significantly, wound retraction (SMD = -0.22; 95% CI = -4.19, 3.75; p = 0.91; I2 = 92%) or collagen deposition (SMD = -0.02; 95% CI = -2.17, 2.13; p = 0.99; I2 = 78%). Conclusion: This meta-analysis suggests that photobiomodulation, applied in burn wounds, accordingly to the protocols presented by the selected studies, was not effective over analyzed outcomes. However, this conclusion could be further discussed and verified in more homogeneous animal models and human clinical trials.
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Affiliation(s)
- Lilian de Araujo Pradal
- Progama de Pós-graduação em Biociências e Saúde, Universidade Estadual do Oeste do Paraná - UNIOESTE, Cascavel, Brazil
| | - Edicleia de Freitas
- Progama de Pós-graduação em Biociências e Saúde, Universidade Estadual do Oeste do Paraná - UNIOESTE, Cascavel, Brazil
| | | | - Rosemeire Costa
- Progama de Pós-graduação em Biociências e Saúde, Universidade Estadual do Oeste do Paraná - UNIOESTE, Cascavel, Brazil
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Leyane TS, Jere SW, Houreld NN. Effect of photobiomodulation at 830 nm on gene expression correlated with JAK/STAT signalling in wounded and diabetic wounded fibroblasts in vitro. JOURNAL OF BIOPHOTONICS 2024; 17:e202300230. [PMID: 38010362 DOI: 10.1002/jbio.202300230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 10/23/2023] [Accepted: 11/08/2023] [Indexed: 11/29/2023]
Abstract
Treatment of chronic diabetic wounds is an ongoing socio-economic challenge. Dysregulated signalling pathways characterise cells from chronic diabetic wounds. Photobiomodulation (PBM) stimulates healing by eliciting photochemical effects that affect gene regulation. JAK/STAT signalling is a primary signal transduction pathway involved in wound healing. This in vitro study aimed to determine if PBM at 830 nm and a fluence of 5 J/cm2 regulates genes related to JAK/STAT signalling in wounded and diabetic wounded fibroblast cells. A continuous wave diode laser (12.53 mW/cm2 ) was used to irradiate cells. Forty-eight hours post-PBM, RT-qPCR was used to analyse 84 genes related to JAK/STAT signalling. Five genes were upregulated and four downregulated in wounded cell models, while six genes were downregulated in diabetic wounded models. The results show drastic gene expression differences between wounded and diabetic wounded cell models in response to PBM using 830 nm.
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Affiliation(s)
- Thobekile S Leyane
- Laser Research Centre, Faculty of Health Sciences, University of Johannesburg, Johannesburg, South Africa
| | - Sandy W Jere
- Laser Research Centre, Faculty of Health Sciences, University of Johannesburg, Johannesburg, South Africa
| | - Nicolette N Houreld
- Laser Research Centre, Faculty of Health Sciences, University of Johannesburg, Johannesburg, South Africa
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Nunes Junior ACL, Sousa LDA, de Barros GM, da Silva LL. Low-laser action analysis associated with Himatanthus drasticus extract in wound healing. Lasers Med Sci 2024; 39:31. [PMID: 38227079 DOI: 10.1007/s10103-024-03985-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Accepted: 01/05/2024] [Indexed: 01/17/2024]
Abstract
The aim of this study was to analyze the healing action of low-intensity laser therapy associated with Himatanthus drasticus in wound healing in mice. The study was experimental, analytical, controlled, randomized, and prospective. Twenty Wistar rats were divided into four groups: control with injury, injury + laser, wound + Himatanthus drasticus, and wound + laser + Himatanthus drasticus. The animals underwent surgical skin wounds on their backs, and different treatments were applied based on the group. The healing process was evaluated histologically through the analysis of collagen fibers, neovascularization, and inflammatory reaction. The results showed that low-intensity laser therapy and Himatanthus drasticus treatment improved the healing process in terms of collagen synthesis, decreased inflammatory cell migration, fibroblast proliferation, neovascularization, wound size reduction, and edema reduction. However, the combination of laser and Himatanthus drasticus did not show significant improvement compared to individual treatments. There were no statistical differences in polymorphonuclear cells between the treatment groups. Low-intensity laser therapy and Himatanthus drasticus have demonstrated positive properties in improving the healing process. Further research is needed to better understand their individual and combined effects. The study contributes to the exploration of alternative wound healing methods and encourages further investigation in this field.
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Affiliation(s)
| | | | - Gabriel Martins de Barros
- Federal University of Piauí, Teresina, Brazil.
- Health Sciences Center, Federal University of Piauí (UFPI), Avenue Frei Serafim, 2280 - Center (South), Teresina, 64049-550, Brazil.
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Feng Z, Wang P, Song Y, Wang H, Jin Z, Xiong D. Photobiomodulation for knee osteoarthritis: a model-based dosimetry study. BIOMEDICAL OPTICS EXPRESS 2023; 14:1800-1817. [PMID: 37078045 PMCID: PMC10110300 DOI: 10.1364/boe.484865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 03/21/2023] [Accepted: 03/21/2023] [Indexed: 05/03/2023]
Abstract
LED-based photobiomodulation (LED-PBM) for the treatment of knee osteoarthritis (KOA) is a promising technology. However, the light dose at the targeted tissue, which dominates the phototherapy effectiveness, is difficult to measure. This paper studied the dosimetric issues in the phototherapy of KOA by developing an optical model of the knee and performing Monte Carlo (MC) simulation. The model was validated by the tissue phantom and knee experiments. In the study, we investigated the effect of luminous characteristics of the light source, such as divergence angle, wavelength and irradiation position, on the treatment doses for PBM. The result showed that the divergence angle and the wavelength of the light source have a significant impact on the treatment doses. The optimal irradiation location was on both sides of the patella, where the largest dose could reach the articular cartilage. This optical model can be used to determine the key parameters in phototherapy and help the phototherapy of KOA patients.
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Affiliation(s)
- Zefeng Feng
- School of Biomedical Engineering, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230026, China
- Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou, Jiangsu 215163, China
| | - Peipei Wang
- Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou, Jiangsu 215163, China
| | - Yang Song
- Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou, Jiangsu 215163, China
| | - Haiyang Wang
- Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou, Jiangsu 215163, China
| | - Zhiliang Jin
- Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou, Jiangsu 215163, China
| | - Daxi Xiong
- School of Biomedical Engineering, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230026, China
- Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou, Jiangsu 215163, China
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Arjmand B, Khodadost M, Jahani Sherafat S, Rezaei Tavirani M, Ahmadi N, Hamzeloo Moghadam M, Okhovatian F, Rezaei Tavirani S. The Principal Role of Several Members of HLA and IRF Genes in Prevention of Oral Mucositis After Chemoradiotherapy. J Lasers Med Sci 2021; 12:e65. [DOI: 10.34172/jlms.2021.65] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Accepted: 07/20/2021] [Indexed: 12/19/2022]
Abstract
Introduction: One of the chemoradiotherapy (CRT) side effects is oral mucositis (OM). Since photobiomodulation therapy (PBMT) is a public method for the repair process, in the present study the mechanism of PBMT in the prevention of OM is investigated via the bioinformatics approach. Methods: Six validated and significant differentially expressed genes (DEGs) associated with the prevention of OM in head and neck cancer (HNC) patients who had experienced CRT were extracted from the literature. After adding 50 neighbors from STRING, the network was constructed and analyzed. The results of the action map and network analysis were compared and discussed. Results: HLA gene family were identified as central nodes of the analyzed network. Based on action map finding, activation is prominent action and IRF9 was the potent activator. The role of the IRF gene family was highlighted by action map analysis. Conclusion: Regulation of the immune system by HLA and IRF genes family is a crucial factor in the prevention of OM in the studied patients.
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Affiliation(s)
- Babak Arjmand
- Cell Therapy and Regenerative Medicine Research Center, Endocrinology and Metabolism Molecular-Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Mahmood Khodadost
- School of Traditional Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Somayeh Jahani Sherafat
- Laser Application in Medical Sciences Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mostafa Rezaei Tavirani
- Proteomics Research Center, Faculty of Paramedical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Nayebali Ahmadi
- Proteomics Research Center, Faculty of Paramedical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Maryam Hamzeloo Moghadam
- Traditional Medicine and Materia Medica Research Center, School of Traditional Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Farshad Okhovatian
- Physiotherapy Research Centre, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Sina Rezaei Tavirani
- Proteomics Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Cellular Signalling and Photobiomodulation in Chronic Wound Repair. Int J Mol Sci 2021; 22:ijms222011223. [PMID: 34681882 PMCID: PMC8537491 DOI: 10.3390/ijms222011223] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 10/08/2021] [Accepted: 10/13/2021] [Indexed: 12/29/2022] Open
Abstract
Photobiomodulation (PBM) imparts therapeutically significant benefits in the healing of chronic wounds. Chronic wounds develop when the stages of wound healing fail to progress in a timely and orderly frame, and without an established functional and structural outcome. Therapeutic benefits associated with PBM include augmenting tissue regeneration and repair, mitigating inflammation, relieving pain, and reducing oxidative stress. PBM stimulates the mitochondria, resulting in an increase in adenosine triphosphate (ATP) production and the downstream release of growth factors. The binding of growth factors to cell surface receptors induces signalling pathways that transmit signals to the nucleus for the transcription of genes for increased cellular proliferation, viability, and migration in numerous cell types, including stem cells and fibroblasts. Over the past few years, significant advances have been made in understanding how PBM regulates numerous signalling pathways implicated in chronic wound repair. This review highlights the significant role of PBM in the activation of several cell signalling pathways involved in wound healing.
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