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de Oliveira D, Luiz GP, Scussel R, Fagundes MI, Galvani NC, Abel JDS, Zaccaron RP, de Bem Silveira G, de Andrade TAM, Lock Silveira PC, Andrez Machado-de-Ávila R. The combined treatment of gold nanoparticles associated with photobiomodulation accelerate the healing of dermonecrotic lesion. J Drug Target 2024; 32:172-185. [PMID: 38155427 DOI: 10.1080/1061186x.2023.2298848] [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: 10/24/2023] [Accepted: 12/10/2023] [Indexed: 12/30/2023]
Abstract
Introduction: The search for fast and efficient treatment for dermonecrotic lesions caused by the venom of the spider from the Loxosceles simillis, is a demand in health. Prednisolone is one of the most used drugs, however it has side effects. In this context, addictionally gold nanoparticles (GNPs) have anti-inflammatory, antioxidant, and antibacterial properties. The use of photobiomodulation has show to be efficient in the process of tissue repair. Therefore, the purpose of this study was to investigate the anti-inflammatory effect of photobiomodulation and GNPs associated or not with a low concentration of prednisolone in animal models of dermonecrotic lesion.Methodology: For this, rabbits with venon-induced dermonecrotic lesion were subjected to topical treatment with prednisolone + laser or GNPs + laser or Pred-GNPs + laser. The area of edema, necrosis and erythema were measured. On the last day of treatment, the animals were euthanized to remove the organs for histopathological and biochemical analysis.Results: All treatments combinations were effective in promoting the reduction of necrotic tissue and erythema.Conclusion: With this results, we suggest that the use of laser and nanoparticles, associated or not with prednisolone, should be considered for the treatment of dermonecrotic injury.
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Affiliation(s)
- Daysiane de Oliveira
- Postgraduate in Health Sciences, Universidade do Extremo Sul de Catarinense, Criciúma, Santa Catarina, Brazil
| | - Gabriel Paulino Luiz
- Postgraduate in Health Sciences, Universidade do Extremo Sul de Catarinense, Criciúma, Santa Catarina, Brazil
| | - Rahisa Scussel
- Postgraduate in Health Sciences, Universidade do Extremo Sul de Catarinense, Criciúma, Santa Catarina, Brazil
| | - Mirian Ivens Fagundes
- Postgraduate in Health Sciences, Universidade do Extremo Sul de Catarinense, Criciúma, Santa Catarina, Brazil
| | - Nathália Coral Galvani
- Postgraduate in Health Sciences, Universidade do Extremo Sul de Catarinense, Criciúma, Santa Catarina, Brazil
| | - Jessica da Silva Abel
- Postgraduate in Health Sciences, Universidade do Extremo Sul de Catarinense, Criciúma, Santa Catarina, Brazil
| | - Rubya Pereira Zaccaron
- Postgraduate in Health Sciences, Universidade do Extremo Sul de Catarinense, Criciúma, Santa Catarina, Brazil
| | - Gustavo de Bem Silveira
- Postgraduate in Health Sciences, Universidade do Extremo Sul de Catarinense, Criciúma, Santa Catarina, Brazil
| | - Thiago Antônio Moretti de Andrade
- Postgraduate in Biomedical Sciences, University Center of Herminio Ometto Foundation, Postgraduate in Health Sciences, Universidade do Extremo Sul de Catarinense, Criciúma, Santa Catarina, Brazil
| | - Paulo Cesar Lock Silveira
- Postgraduate in Health Sciences, Universidade do Extremo Sul de Catarinense, Criciúma, Santa Catarina, Brazil
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Perrier Q, Moro C, Lablanche S. Diabetes in spotlight: current knowledge and perspectives of photobiomodulation utilization. Front Endocrinol (Lausanne) 2024; 15:1303638. [PMID: 38567306 PMCID: PMC10985212 DOI: 10.3389/fendo.2024.1303638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Accepted: 02/26/2024] [Indexed: 04/04/2024] Open
Abstract
Introduction Diabetes is a global health concern characterized by chronic hyperglycemia resulting from insulinopenia and/or insulin resistance. The rising prevalence of diabetes and its associated complications (ulcers, periodontitis, healing of bone defect, neuropathy, retinopathy, cardiopathy and nephropathy) necessitate innovative therapeutic approaches. Photobiomodulation (PBM), involves exposing tissues and cells to low-energy light radiation, leading to biological effects, largely via mitochondrial activation. Methods This review evaluates preclinical and clinical studies exploring the potential of PBM in diabetes and its complications, as well all clinical trials, both planned and completed, available on ClinicalTrials database. Results This review highlights the variability in PBM parameters across studies, hindering consensus on optimal protocols. Standardization of treatment parameters and rigorous clinical trials are needed to unlock PBM's full therapeutic potential. 87 clinical trials were identified that investigated PBM in diabetes mellitus (with 5,837 patients planned to be treated with PBM). Clinical trials assessing PBM effects on diabetic neuropathy revealed pain reduction and potential quality of life improvement. Studies focusing on wound healing indicated encouraging results, with PBM enhancing angiogenesis, fibroblast proliferation, and collagen density. PBM's impact on diabetic retinopathy remains inconclusive however, requiring further investigation. In glycemic control, PBM exhibits positive effects on metabolic parameters, including glucose tolerance and insulin resistance. Conclusion Clinical studies have reported PBM-induced reductions in fasting and postprandial glycemia without an increased hypoglycemic risk. This impact of PBM may be related to its effects on the beta cells and islets in the pancreas. Notwithstanding challenges, PBM emerges as a promising adjunctive therapy for managing diabetic neuropathy, wound healing, and glycemic control. Further investigation into its impact on diabetic retinopathy and muscle recovery is warranted.
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Affiliation(s)
- Quentin Perrier
- Univ. Grenoble Alpes, INSERM U1055, Pharmacy Department, Grenoble Alpes University Hospital, Laboratory of Fundamental and Applied Bioenergetics, Grenoble, France
| | - Cécile Moro
- Univ. Grenoble Alpes, CEA-Leti, Clinatec, Grenoble, France
| | - Sandrine Lablanche
- Univ. Grenoble Alpes, INSERM U1055, Diabetology and Endocrinology Department, Grenoble Alpes University Hospital, Laboratory of Fundamental and Applied Bioenergetics, Grenoble, France
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Lim L. Traumatic Brain Injury Recovery with Photobiomodulation: Cellular Mechanisms, Clinical Evidence, and Future Potential. Cells 2024; 13:385. [PMID: 38474349 DOI: 10.3390/cells13050385] [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: 01/01/2024] [Revised: 02/18/2024] [Accepted: 02/21/2024] [Indexed: 03/14/2024] Open
Abstract
Traumatic Brain Injury (TBI) remains a significant global health challenge, lacking effective pharmacological treatments. This shortcoming is attributed to TBI's heterogeneous and complex pathophysiology, which includes axonal damage, mitochondrial dysfunction, oxidative stress, and persistent neuroinflammation. The objective of this study is to analyze transcranial photobiomodulation (PBM), which employs specific red to near-infrared light wavelengths to modulate brain functions, as a promising therapy to address TBI's complex pathophysiology in a single intervention. This study reviews the feasibility of this therapy, firstly by synthesizing PBM's cellular mechanisms with each identified TBI's pathophysiological aspect. The outcomes in human clinical studies are then reviewed. The findings support PBM's potential for treating TBI, notwithstanding variations in parameters such as wavelength, power density, dose, light source positioning, and pulse frequencies. Emerging data indicate that each of these parameters plays a role in the outcomes. Additionally, new research into PBM's effects on the electrical properties and polymerization dynamics of neuronal microstructures, like microtubules and tubulins, provides insights for future parameter optimization. In summary, transcranial PBM represents a multifaceted therapeutic intervention for TBI with vast potential which may be fulfilled by optimizing the parameters. Future research should investigate optimizing these parameters, which is possible by incorporating artificial intelligence.
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Affiliation(s)
- Lew Lim
- Vielight Inc., Toronto, ON M4Y 2G8, Canada
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Rotunjanu S, Racoviceanu R, Mioc A, Milan A, Negrea-Ghiulai R, Mioc M, Marangoci NL, Şoica C. Newly Synthesized CoFe 2-xDy xO 4 (x = 0; 0.1; 0.2; 0.4) Nanoparticles Reveal Promising Anticancer Activity against Melanoma (A375) and Breast Cancer (MCF-7) Cells. Int J Mol Sci 2023; 24:15733. [PMID: 37958717 PMCID: PMC10650938 DOI: 10.3390/ijms242115733] [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: 10/09/2023] [Revised: 10/17/2023] [Accepted: 10/27/2023] [Indexed: 11/15/2023] Open
Abstract
The current study focuses on the synthesis via combustion of dysprosium-doped cobalt ferrites that were subsequently physicochemically analyzed in terms of morphological and magnetic properties. Three types of doped nanoparticles were prepared containing different Dy substitutions and coated with HPGCD for higher dispersion properties and biocompatibility, and were later submitted to biological tests in order to reveal their potential anticancer utility. Experimental data obtained through FTIR, XRD, SEM and TEM confirmed the inclusion of Dy3+ ions in the nanoparticles' structure. The size of the newly formed nanoparticles ranged between 20 and 50 nm revealing an inverse proportional relationship with the Dy content. Magnetic studies conducted by VSM indicated a decrease in remanent and saturation mass magnetization, respectively, in Dy-doped nanoparticles in a direct proportionality with the Dy content; the decrease was further amplified by cyclodextrin complexation. Biological assessment in the presence/absence of red light revealed a significant cytotoxic activity in melanoma (A375) and breast (MCF-7) cancer cells, while healthy keratinocytes (HaCaT) remained generally unaffected, thus revealing adequate selectivity. The investigation of the underlying cytotoxic molecular mechanism revealed an apoptotic process as indicated by nuclear fragmentation and shrinkage, as well as by Western blot analysis of caspase 9, p53 and cyclin D1 proteins. The anticancer activity for all doped Co ferrites varied was in a direct correlation to their Dy content but without being affected by the red light irradiation.
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Affiliation(s)
- Slaviţa Rotunjanu
- Department of Pharmacology-Pharmacotherapy, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania; (S.R.); (A.M.); (R.N.-G.); (C.Ş.)
| | - Roxana Racoviceanu
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Square No. 2, 300041 Timişoara, Romania; (A.M.); (M.M.)
- Research Centre for Pharmaco-Toxicological Evaluation, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania
| | - Alexandra Mioc
- Department of Pharmacology-Pharmacotherapy, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania; (S.R.); (A.M.); (R.N.-G.); (C.Ş.)
- Research Centre for Pharmaco-Toxicological Evaluation, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania
| | - Andreea Milan
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Square No. 2, 300041 Timişoara, Romania; (A.M.); (M.M.)
- Research Centre for Pharmaco-Toxicological Evaluation, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania
| | - Roxana Negrea-Ghiulai
- Department of Pharmacology-Pharmacotherapy, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania; (S.R.); (A.M.); (R.N.-G.); (C.Ş.)
- Research Centre for Pharmaco-Toxicological Evaluation, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania
| | - Marius Mioc
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Square No. 2, 300041 Timişoara, Romania; (A.M.); (M.M.)
- Research Centre for Pharmaco-Toxicological Evaluation, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania
| | - Narcisa Laura Marangoci
- Petru Poni Institute of Macromolecular Chemistry, 41A Aleea Gr. Ghica Vodă, 700487 Iaşi, Romania;
| | - Codruţa Şoica
- Department of Pharmacology-Pharmacotherapy, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania; (S.R.); (A.M.); (R.N.-G.); (C.Ş.)
- Research Centre for Pharmaco-Toxicological Evaluation, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania
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Zhang P, Zhang X, Zhu H. Photobiomodulation at 660 nm promotes collagen synthesis via downregulation of HIF-1α expression without photodamage in human scleral fibroblasts in vitro in a hypoxic environment. Graefes Arch Clin Exp Ophthalmol 2023; 261:2535-2545. [PMID: 37074407 DOI: 10.1007/s00417-023-06066-5] [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: 02/06/2023] [Revised: 03/29/2023] [Accepted: 04/10/2023] [Indexed: 04/20/2023] Open
Abstract
PURPOSE The increasing prevalence of myopia is a global public health issue. Because of the complexity of myopia pathogenesis, current control methods for myopia have great limitations. The aim of this study was to explore the effect of photobiomodulation (PBM) on human sclera fibroblasts (HSFs) under hypoxia, in the hope of providing new ideas for myopia prevention and control. METHODS Hypoxic cell model was established at 0, 6, 12, and 24 h time points to simulate myopia microenvironment and explore the optimal time point. Control, hypoxia, hypoxia plus light, and normal plus light cell models were set up for the experiments, and cells were incubated for 24 or 48 h after PBM (660 nm, 5 J/cm2), followed by evaluation of hypoxia-inducible factor 1α (HIF-1α) and collagen I a1 (COL1A1) proteins using Western blotting and immunofluorescence, and photo damage was detected by CCK-8, scratch test, and flow cytometry assays. We also used transfection technology to further elucidate the regulatory mechanism. RESULTS The change of target proteins is most obvious when hypoxia lasts for 24 h (p < 0.01). PBM at 660 nm increased extracellular collagen content (p < 0.001) and downregulated expression of HIF-1α (p < 0.05). This treatment did not affect the migration and proliferation of cells (p > 0.05), and effectively inhibited apoptosis under hypoxia (p < 0.0001). After overexpression of HIF-1α, the effect of PBM was attenuated (p > 0.05). CONCLUSIONS Photobiomodulation at 660 nm promotes collagen synthesis via downregulation of HIF-1α expression without photodamage.
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Affiliation(s)
- Pengbo Zhang
- Department of Ophthalmology, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China
| | - Xibo Zhang
- Department of Ophthalmology, Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, China.
| | - Huang Zhu
- Department of Ophthalmology, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China.
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Kasowanjete P, Abrahamse H, Houreld NN. Photobiomodulation at 660 nm Stimulates In Vitro Diabetic Wound Healing via the Ras/MAPK Pathway. Cells 2023; 12:cells12071080. [PMID: 37048153 PMCID: PMC10093328 DOI: 10.3390/cells12071080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/23/2023] [Accepted: 03/28/2023] [Indexed: 04/07/2023] Open
Abstract
Diabetic foot ulcers (DFUs) are open chronic wounds that affect diabetic patients due to hyperglycaemia. DFUs are known for their poor response to treatment and frequently require amputation, which may result in premature death. The present study evaluated the effect of photobiomodulation (PBM) at 660 nm on wound healing via activation of Ras/MAPK signalling in diabetic wounded cells in vitro. This study used four human skin fibroblast cell (WS1) models, namely normal (N), wounded (W), diabetic (D), and diabetic wounded (DW). Cells were irradiated at 660 nm with 5 J/cm2. Non-irradiated cells (0 J/cm2) served as controls. Cells were incubated for 24 and 48 h post-irradiation, and the effect of PBM on cellular morphology and migration rate, viability, and proliferation was assessed. Basic fibroblast growth factor (bFGF), its phosphorylated (activated) receptor FGFR, and phosphorylated target proteins (Ras, MEK1/2 and MAPK) were determined by enzyme-linked immunosorbent assay (ELISA) and Western blotting; nuclear translocation of p-MAPK was determined by immunofluorescence. PBM resulted in an increase in bFGF and a subsequent increase in FGFR activation. There was also an increase in downstream proteins, p-Ras, p-MEK1/2 and p-MAPK. PBM at 660 nm led to increased viability, proliferation, and migration as a result of increased bFGF and subsequent activation of the Ras/MAPK signalling pathway. Therefore, this study can conclude that PBM at 660 nm stimulates in vitro diabetic wound healing via the bFGF-activated Ras/MAPK pathway.
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Affiliation(s)
- Patricia Kasowanjete
- Laser Research Centre, University of Johannesburg, Johannesburg 2006, South Africa
| | - Heidi Abrahamse
- Laser Research Centre, University of Johannesburg, Johannesburg 2006, South Africa
| | - Nicolette N. Houreld
- Laser Research Centre, University of Johannesburg, Johannesburg 2006, South Africa
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Tripodi N, Sidiroglou F, Apostolopoulos V, Feehan J. Transcriptome analysis of the effects of polarized photobiomodulation on human dermal fibroblasts. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2023; 242:112696. [PMID: 36958088 DOI: 10.1016/j.jphotobiol.2023.112696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 03/07/2023] [Accepted: 03/13/2023] [Indexed: 03/17/2023]
Abstract
BACKGROUND Photobiomodulation (PBM), the therapeutic use of light, is used to treat a myriad of conditions, including the management of acute and chronic wounds. Despite the presence of clinical evidence surrounding PBM, the fundamental mechanisms underpinning its efficacy remain unclear. There are several properties of light that can be altered in the application of PBM, of these, polarization-the filtering of light into specified plane(s)-is an attractive variable to investigate. AIMS To evaluate transcriptomic changes in human dermal fibroblasts in response to polarized PBM. RESULTS A total of 71 Differentially Expressed Genes (DEGs) are described. All DEGs were found in the polarized PBM group (P-PBM), relative to the control group (PC). Of the 71 DEGs, 10 genes were upregulated and 61 were downregulated. Most DEGs were either mitochondrial or extracellular matrix (ECM)-related. Gene Ontology (GO) analysis was then performed using the DEGs from the P-PBM vs. PC group. Within biological processes there were 95 terms found (p < 0.05); in the molecular function there were 18 terms found (p < 0.05); while in the cellular component there were 32 terms enriched (p < 0.05). A KEGG pathways analysis was performed for the DEGs found in the P-PBM vs. PC group. This revealed 21 significantly enriched pathways (p < 0.05). Finally, there were 24 significantly enriched reactome pathways when comparing the DEGs of the P-PBM vs. PC groups (p < 0.05). DISCUSSION AND CONCLUSIONS The P-PBM DEGs were almost always down regulated compared to the comparator groups. This may be explained by the P-PBM treatment conditions decreasing the amount of cellular stress, hence causing a decreased mitochondria and ECM protective response. Alternatively, it could point to an alternate mechanism, outside the mitochondria, by which PBM exerts its effects. Additionally, PBM appears to have a more widespread effect on the mitochondria than previously thought, opening up many new avenues of investigation in the process.
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Affiliation(s)
- Nicholas Tripodi
- Institute for Health and Sport, Victoria University, Melbourne, VIC, Australia; First Year College, Victoria University, Melbourne, VIC, Australia; Australian Institute for Musculoskeletal Science (AIMSS), Victoria University, The University of Melbourne and Western Health, St. Albans, VIC, Australia
| | - Fotios Sidiroglou
- First Year College, Victoria University, Melbourne, VIC, Australia; Institute for Sustainable Industries and Liveable Cities, Victoria University, Melbourne, VIC, Australia
| | - Vasso Apostolopoulos
- Institute for Health and Sport, Victoria University, Melbourne, VIC, Australia; Australian Institute for Musculoskeletal Science (AIMSS), Victoria University, The University of Melbourne and Western Health, St. Albans, VIC, Australia
| | - Jack Feehan
- Institute for Health and Sport, Victoria University, Melbourne, VIC, Australia; Australian Institute for Musculoskeletal Science (AIMSS), Victoria University, The University of Melbourne and Western Health, St. Albans, VIC, Australia; Department of Medicine-Western Health, Melbourne Medical School, The University of Melbourne, St. Albans, VIC, Australia.
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Naeser MA, Martin PI, Ho MD, Krengel MH, Bogdanova Y, Knight JA, Hamblin MR, Fedoruk AE, Poole LG, Cheng C, Koo B. Transcranial Photobiomodulation Treatment: Significant Improvements in Four Ex-Football Players with Possible Chronic Traumatic Encephalopathy. J Alzheimers Dis Rep 2023; 7:77-105. [PMID: 36777329 PMCID: PMC9912826 DOI: 10.3233/adr-220022] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2022] [Accepted: 11/19/2022] [Indexed: 12/28/2022] Open
Abstract
Background Chronic traumatic encephalopathy, diagnosed postmortem (hyperphosphorylated tau), is preceded by traumatic encephalopathy syndrome with worsening cognition and behavior/mood disturbances, over years. Transcranial photobiomodulation (tPBM) may promote improvements by increasing ATP in compromised/stressed cells and increasing local blood, lymphatic vessel vasodilation. Objective Aim 1: Examine cognition, behavior/mood changes Post-tPBM. Aim 2: MRI changes - resting-state functional-connectivity MRI: salience, central executive, default mode networks (SN, CEN, DMN); magnetic resonance spectroscopy, cingulate cortex. Methods Four ex-players with traumatic encephalopathy syndrome/possible chronic traumatic encephalopathy, playing 11- 16 years, received In-office, red/near-infrared tPBM to scalp, 3x/week for 6 weeks. Two had cavum septum pellucidum. Results The three younger cases (ages 55, 57, 65) improved 2 SD (p < 0.05) on three to six neuropsychological tests/subtests at 1 week or 1 month Post-tPBM, compared to Pre-Treatment, while the older case (age 74) improved by 1.5 SD on three tests. There was significant improvement at 1 month on post-traumatic stress disorder (PTSD), depression, pain, and sleep. One case discontinued narcotic pain medications and had reduced tinnitus. The possible placebo effect is unknown. At 2 months Post-tPBM, two cases regressed. Then, home tPBM was applied to only cortical nodes, DMN (12 weeks); again, significant improvements were seen. Significant correlations for increased SN functional connectivity (FC) over time, with executive function, attention, PTSD, pain, and sleep; and CEN FC, with verbal learning/memory, depression. Increased n-acetyl-aspartate (NAA) (oxygen consumption, mitochondria) was present in anterior cingulate cortex (ACC), parallel to less pain and PTSD. Conclusion After tPBM, these ex-football players improved. Significant correlations of increased SN FC and CEN FC with specific cognitive tests and behavior/mood ratings, plus increased NAA in ACC support beneficial effects from tPBM.
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Affiliation(s)
- Margaret A. Naeser
- VA Boston Healthcare System, Jamaica Plain Campus, Boston, MA, USA,Department of Neurology, Boston University School of Medicine, Boston, MA, USA,Correspondence to: Margaret A. Naeser, PhD, VA Boston Healthcare System (12A), Jamaica Plain Campus, 150 So. Huntington Ave., Boston, MA 02130 USA. E-mail:
| | - Paula I. Martin
- VA Boston Healthcare System, Jamaica Plain Campus, Boston, MA, USA,Department of Neurology, Boston University School of Medicine, Boston, MA, USA
| | - Michael D. Ho
- VA Boston Healthcare System, Jamaica Plain Campus, Boston, MA, USA
| | - Maxine H. Krengel
- VA Boston Healthcare System, Jamaica Plain Campus, Boston, MA, USA,Department of Neurology, Boston University School of Medicine, Boston, MA, USA
| | - Yelena Bogdanova
- VA Boston Healthcare System, Jamaica Plain Campus, Boston, MA, USA,Department of Psychiatry, Boston University School of Medicine, Boston, MA, USA
| | - Jeffrey A. Knight
- VA Boston Healthcare System, Jamaica Plain Campus, Boston, MA, USA,Department of Psychiatry, Boston University School of Medicine, Boston, MA, USA,National Center for PTSD - Behavioral Sciences Division, VA Boston Healthcare System, Boston, MA, USA
| | - Michael R. Hamblin
- Laser Research Centre, Faculty of Health Science, University of Johannesburg, Doornfontein, South Africa,Radiation Biology Research Center, Iran University of Medical Sciences, Tehran, Iran
| | | | - Luke G. Poole
- VA Boston Healthcare System, Jamaica Plain Campus, Boston, MA, USA
| | - ChiaHsin Cheng
- Department of Anatomy & Neurobiology, Bio-imaging Informatics Lab, Boston University School of Medicine, Boston, MA, USA
| | - BangBon Koo
- Department of Anatomy & Neurobiology, Bio-imaging Informatics Lab, Boston University School of Medicine, Boston, MA, USA
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Arranz-Paraíso D, Sola Y, Baeza-Moyano D, Benítez-Martínez M, Melero-Tur S, González-Lezcano RA. Mitochondria and light: An overview of the pathways triggered in skin and retina with incident infrared radiation. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2023; 238:112614. [PMID: 36469983 DOI: 10.1016/j.jphotobiol.2022.112614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 11/18/2022] [Accepted: 11/29/2022] [Indexed: 12/03/2022]
Abstract
Slightly more than half of the solar radiation that passes through the atmosphere and reaches the Earth's surface is infrared. Over the past few years, many papers have been published on the possible positive effects of receiving this part of the electromagnetic spectrum. In this article we analyse the role of mitochondria in the supposed effects of infrared light based on the published literature. It is claimed that ATP synthesis is stimulated, which has a positive effect on the skin by increasing fibroblast proliferation, anchorage and production of collagen fibres, procollagen, and various cytokines responsible for the wound healing process, such as keratinocyte growth factor. Currently there are infrared light emitting equipment whose manufacturers and the centres where this service or treatment is offered claim that they are used for skin rejuvenation among other positive effects. Based on the literature review, it is necessary to deepen the scientific study of the mechanism of absorption of infrared radiation through the skin to better understand its possible positive effects, the risks of overexposure and to improve consumer health protection.
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Affiliation(s)
- Daniel Arranz-Paraíso
- Área de conocimiento de Tecnología Farmacéutica, Departamento de Ciencias Farmacéuticas y de la Salud, Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities, Urbanización Montepríncipe, 28668 Alcorcón, Madrid, Spain.
| | - Yolanda Sola
- Group of Meteorology, Department of Applied Physics, Universitat de Barcelona, Martí i Franquès 1, 08028 Barcelona, Spain.
| | - David Baeza-Moyano
- Departamento de Química y Bioquímica, Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities, Urbanización Montepríncipe, 28668 Alcorcón, Madrid, Spain.
| | - Marta Benítez-Martínez
- Departamento de Química y Bioquímica, Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities, Urbanización Montepríncipe, 28668 Alcorcón, Madrid, Spain.
| | - Sofía Melero-Tur
- Departamento de arquitectura y diseño, Escuela Politécnica Superior, Universidad San Pablo-CEU, CEU Universities, Urbanización Montepríncipe, 28668 Alcorcón, Madrid, Spain.
| | - Roberto Alonso González-Lezcano
- Departamento de arquitectura y diseño, Escuela Politécnica Superior, Universidad San Pablo-CEU, CEU Universities, Urbanización Montepríncipe, 28668 Alcorcón, Madrid, Spain.
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Golovynska I, Golovynskyi S, Qu J. Comparing the Impact of NIR, Visible and UV Light on ROS Upregulation via Photoacceptors of Mitochondrial Complexes in Normal, Immune and Cancer Cells. Photochem Photobiol 2023; 99:106-119. [PMID: 35689798 DOI: 10.1111/php.13661] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Accepted: 06/06/2022] [Indexed: 01/25/2023]
Abstract
The effect of UV/visible/NIR light (380/450/530/650/808/1064 nm) on ROS generation, mitochondrial activity and viability is experimentally compared in human neuroblastoma cancer cells. The absorption of photons by mitochondrial photoacceptors in Complexes I, III and IV is in detail investigated by sequential blocking with selective pharmaceutical blockers. Complex I absorbs UV/blue light by heme P450, resulting in a very high rate (14 times) of ROS generation leading to cell death. Complex III absorbs green light, by cytochromes b, c1 and c, and possesses less ability for ROS production (seven times), so that only irradiation lower than 10 mW cm-2 causes an increase in cell viability. Complex IV is well-known as the primary photoacceptor for red/NIR light. Light of 650/808 nm at 10-100 mW cm-2 generates a physiological ROS level about 20% of a basal concentration, which enhance mitochondrial activity and cell survival, while 1064 nm light does not show any distinguished effects. Further, ROS generation induced by low-intensity red/NIR light is compared in neurons, immune and cancer cells. Red light seems to more rapidly stimulate ROS production, mitochondrial activity and cell survival than 808 nm. At the same time, different cell lines demonstrate slightly various rates of ROS generation, peculiar to their cellular physiology.
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Affiliation(s)
- Iuliia Golovynska
- Center for Biomedical Optics and Photonics, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, China
| | - Sergii Golovynskyi
- Center for Biomedical Optics and Photonics, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, China
| | - Junle Qu
- Center for Biomedical Optics and Photonics, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, China
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Giannakopoulos E, Katopodi A, Rallis M, Politopoulos K, Alexandratou E. The effects of low power laser light at 661 nm on wound healing in a scratch assay fibroblast model. Lasers Med Sci 2022; 38:27. [PMID: 36574084 PMCID: PMC9794538 DOI: 10.1007/s10103-022-03670-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 10/12/2022] [Indexed: 12/28/2022]
Abstract
Wound treatment, especially for chronic and infected wounds, has been a permanent socio-economical challenge. This study aimed to investigate the ability of red light at 661 nm to accelerate wound healing an in vitro wound model using 3T3 fibroblasts. The purpose is further specified in clarifying the mechanisms of wound closure by means of intracellular ROS production, proliferation and migration of cells, and cellular orientation. Illumination effects of red light from a diode laser (661 nm) at different doses on 3T3 cell viability was assessed via MTT assay and tested in a scratch wound model. Wound closure rates were calculated by image analysis at 0, 24, and 48 h after laser treatment. ROS production was monitored and quantified immediately and 24 h after the treatment by fluorescence microscopy. Cellular orientation was quantified by image analysis. No phototoxic energy doses used and increased cell viability in most of the groups. Scratch assay revealed an energy interval of 3 - 4.5 J/cm2 that promote higher wound healing rate 24 h post treatment. An increase in ROS production was also observed 24 h post irradiation higher in the group with the highest wound healing rate. Also, cellular orientation toward the margin of the wound was observed and quantified after irradiation. Low power laser light at 661 nm activated both the migration and proliferation in the in vitro model used, providing evidence that it could also accelerate wound healing in vivo. Also, ROS production and cellular orientation seem to play an important role in wound healing process.
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Affiliation(s)
- Efstathios Giannakopoulos
- Laboratory of Biomedical Optics and Applied Biophysics, School of Electrical and Computer Engineering, National Technical University of Athens, Zografou Campus, 15780, Athens, Greece.
- Division of Pharmaceutical Technology, School of Pharmacy, National and Kapodistrian University of Athens, Panepistimioupoli, Zografou Campus, 15771, Athens, Greece.
| | - Annita Katopodi
- Laboratory of Organic Chemistry, School of Chemical Engineering, National Technical University of Athens, Zografou Campus, 15780, Athens, Greece
| | - Michail Rallis
- Division of Pharmaceutical Technology, School of Pharmacy, National and Kapodistrian University of Athens, Panepistimioupoli, Zografou Campus, 15771, Athens, Greece
| | - Konstantinos Politopoulos
- Laboratory of Biomedical Optics and Applied Biophysics, School of Electrical and Computer Engineering, National Technical University of Athens, Zografou Campus, 15780, Athens, Greece
| | - Eleni Alexandratou
- Laboratory of Biomedical Optics and Applied Biophysics, School of Electrical and Computer Engineering, National Technical University of Athens, Zografou Campus, 15780, Athens, Greece
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Tripodi N, Sidiroglou F, Fraser S, Husaric M, Kiatos D, Apostolopoulos V, Feehan J. The effects of polarized photobiomodulation on cellular viability, proliferation, mitochondrial membrane potential and apoptosis in human fibroblasts: Potential applications to wound healing. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2022; 236:112574. [PMID: 36179581 DOI: 10.1016/j.jphotobiol.2022.112574] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Revised: 09/05/2022] [Accepted: 09/20/2022] [Indexed: 06/16/2023]
Abstract
Photobiomodulation (PBM) is a widely used therapeutic intervention used to treat several chronic conditions. Despite this, fundamental research underpinning its effectiveness is lacking, highlighted by the lack of a definitive mechanism of action. Additionally, there are many treatment variables which remain underexplored, one of those being the effect of polarization the property of light that specifies the direction of the oscillating electric field. When applied to PBM, using linearly polarized light, when compared to otherwise identical non-polarized light, may enhance its biological efficacy. As such, we investigated the potential biological effects of polarized PBM when compared to non-polarized and non-irradiated controls in the domains of cellular viability, proliferation, apoptosis and mitochondrial membrane potential (ΔΨ) within cells exposed to oxidative stress. It was noted that polarized PBM, when compared to non-polarized PBM and non-irradiated controls, demonstrated mostly increased levels of cellular proliferation and ΔΨ, whilst decreasing the amount of cellular apoptosis. These results indicate that polarization may have utility in the clinical application of PBM. Future research is needed to further elucidate the underpinning mechanisms of PBM and polarization.
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Affiliation(s)
- Nicholas Tripodi
- Institute for Health and Sport, Victoria University, Melbourne, Australia; First Year College, Victoria University, Melbourne, Australia; Australian Institute for Musculoskeletal Science (AIMSS), The University of Melbourne and Western Health, St. Albans, Australia
| | - Fotios Sidiroglou
- First Year College, Victoria University, Melbourne, Australia; Institute for Sustainable Industries and Liveable Cities, Victoria University, Melbourne, Australia
| | - Sarah Fraser
- Institute for Health and Sport, Victoria University, Melbourne, Australia
| | - Maja Husaric
- Institute for Health and Sport, Victoria University, Melbourne, Australia; First Year College, Victoria University, Melbourne, Australia
| | - Dimitrios Kiatos
- College of Health and Biomedicine, Victoria University, Melbourne, Australia
| | - Vasso Apostolopoulos
- Institute for Health and Sport, Victoria University, Melbourne, Australia; Australian Institute for Musculoskeletal Science (AIMSS), The University of Melbourne and Western Health, St. Albans, Australia
| | - Jack Feehan
- Institute for Health and Sport, Victoria University, Melbourne, Australia; Australian Institute for Musculoskeletal Science (AIMSS), The University of Melbourne and Western Health, St. Albans, Australia; Department of Medicine-Western Health, Melbourne Medical School, The University of Melbourne, St. Albans, Australia.
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13
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Oyebode OA, Houreld NN. Photobiomodulation at 830 nm Stimulates Migration, Survival and Proliferation of Fibroblast Cells. Diabetes Metab Syndr Obes 2022; 15:2885-2900. [PMID: 36172056 PMCID: PMC9510698 DOI: 10.2147/dmso.s374649] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2022] [Accepted: 08/02/2022] [Indexed: 11/23/2022] Open
Abstract
PURPOSE Photobiomodulation (PBM) promotes diabetic wound healing by favoring cell survival and proliferation. This study aimed to investigate the potential of PBM in stimulating cellular migration, viability, and proliferation using the transforming growth factor-β1 (TGF-β1)/Smad signaling pathway. METHODS The study explored the in vitro effects of near infrared (NIR) light on cell viability (survival) and proliferation as well as the presence of TGF-β1, phosphorylated TGF-β receptor type I (pTGF-βR1) and phosphorylated mothers against decapentaplegic-homolog (Smad)-2/3 (p-Smad2/3) in different fibroblast cell models. RESULTS Results show a significant increase in cellular migration in wounded models, and increased viability and proliferation in irradiated cells compared to their respective controls. An increase in the presence of TGF-β1 in the culture media, a reduction in pTGF-βR1 and a slight presence of p-Smad2/3 was observed in the cells. CONCLUSION These findings show that PBM at 830 nm using a fluence of 5 J/cm2 could induce cell viability, migration and proliferation to favor successful healing of diabetic wounds. This study contributes to the growing body of knowledge on the molecular and cellular effect of PBM and showcases the suitability of PBM at 830 nm in managing diabetic wounds.
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Affiliation(s)
- Olajumoke Arinola Oyebode
- Laser Research Centre, Faculty of Health Sciences, University of Johannesburg, Doornfontein, Gauteng, South Africa
- Correspondence: Olajumoke Arinola Oyebode, Laser Research Centre, Faculty of Health Sciences, University of Johannesburg, Doornfontein, Gauteng, South Africa, Tel + 27781519058, Email
| | - Nicolette Nadene Houreld
- Laser Research Centre, Faculty of Health Sciences, University of Johannesburg, Doornfontein, Gauteng, South Africa
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Oyebode O, Houreld NN, Abrahamse H. Photobiomodulation in diabetic wound healing: A review of red and near-infrared wavelength applications. Cell Biochem Funct 2021; 39:596-612. [PMID: 33870502 DOI: 10.1002/cbf.3629] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 02/13/2021] [Accepted: 02/16/2021] [Indexed: 12/22/2022]
Abstract
The development of a painless, non-invasive, and faster way to diabetic wound healing is at the forefront of research. The complexity associated with diabetic wounds makes it a cause for concern amongst diabetic patients and the world at large. Irradiation of cells generates a photobiomodulatory response on cells and tissues, directly causing alteration of cellular processes and inducing diabetic wound repair. Photobiomodulation therapy (PBMT) using red and near-infrared (NIR) wavelengths is being considered as a promising technique for speeding up the rate of diabetic wound healing, eradication of pain and reduction of inflammation through the alteration of diverse cellular and molecular processes. This review presents the extent to which the potential of red and NIR wavelengths have been harnessed in PBMT for diabetic wound healing. Important research challenges and gaps are identified and discussed, and future directions mapped out. This review thus provides useful insights and strategies into improvement of PBMT, including its acceptance within the global medical research community.
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Affiliation(s)
- Olajumoke Oyebode
- Laser Research Centre, Faculty of Health Sciences, University of Johannesburg, Doornfontein, South Africa
| | - Nicolette Nadene Houreld
- Laser Research Centre, Faculty of Health Sciences, University of Johannesburg, Doornfontein, South Africa
| | - Heidi Abrahamse
- Laser Research Centre, Faculty of Health Sciences, University of Johannesburg, Doornfontein, South Africa
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Mohamed Abdelgawad L, Abd El-hamed MM, Sabry D, Abdelgwad M. Efficacy of Photobiomodulation and Metformin on Diabetic Cell Line of Human Periodontal Ligament Stem Cells through Keap1/Nrf2/Ho-1 Pathway. Rep Biochem Mol Biol 2021; 10:30-40. [PMID: 34277866 PMCID: PMC8279709 DOI: 10.52547/rbmb.10.1.30] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Accepted: 08/29/2020] [Indexed: 12/11/2022]
Abstract
BACKGROUND Diabetes mellitus (DM) is a metabolic disorder resulting from hyperglycemia. Hyperglycemia contributes to oxidative stress, and the release of advanced glycation end products (AGEs) further promotes disease pathogenesis. Uncontrolled diabetes reflects great oral complications and affects human oral health. So, the present study aimed to assess the effects of photobiomodulation therapy (PBMT) and Metformin on proliferation and viability of human periodontal ligament stem cells (HPDLSCs) cultured in high glucose medium. METHODS HPDLSCs were collected, isolated, and characterized and then divided into eight groups. Addition of extra glucose to diabetic groups 24 hours before cell irradiations. Metformin was added to half of the diabetic groups. Cells were irradiated with 808 nm diode laser 24, 48 hours. Cell viability was analyzed with MTT assay 24 hours post-irradiation to detect cell viability in each group. Real-time (PCR) was used to evaluate gene expression of Nrf2, Keap1, PIK3, and HO-1 and the effect of PBMT on Keap1/Nrf2/Ho-1 Pathway. ELISA reader was used to evaluating cell viability through (ROS, TNF-α, IL-10) protein levels after cell irradiation. RESULTS Photobiomodulation at 1, 2, and 3 J/cm2 combined with metformin significantly promoted diabetic cell lines of HPDLSCs viability (in MTT assay and ELISA reader of ROS, TNF-α, IL-10 results) and gene expression of Nrf2, Keap1, PIK3, and HO-1 levels (p< 0.05). CONCLUSION photobiomodulation with 3 J/cm2 combined with metformin enhanced proliferation and viability of diabetic cell lines of HPDLSCs and thus could improve differentiation and function of diabetic cell lines of HPDLSCs with minimum side effects.
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Affiliation(s)
- Latifa Mohamed Abdelgawad
- Department of Medical Laser applications, National Institute of laser enhanced science, Cairo University, Egypt.
| | - Manar Mohy Abd El-hamed
- Department of Medical Laser application, National Institute of laser enhanced science, Cairo University, Egypt.
| | - Dina Sabry
- Department of biochemistry & molecular biology, faculty of medicine, Cairo University, Egypt.
| | - Marwa Abdelgwad
- Department of biochemistry & molecular biology, faculty of medicine, Cairo University, Egypt.
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Bueno NP, Copete IN, Lopes HB, Arany PR, Marques MM, Ferraz EP. Recovering the osteoblastic differentiation potential of mesenchymal stem cells derived from diabetic rats by photobiomodulation therapy. JOURNAL OF BIOPHOTONICS 2021; 14:e202000393. [PMID: 33184942 DOI: 10.1002/jbio.202000393] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 11/06/2020] [Accepted: 11/09/2020] [Indexed: 06/11/2023]
Abstract
Autologous cell-based therapy for bone regeneration might be impaired by diabetes mellitus (DM) due to the negative effects on mesenchymal stem cells (MSCs) differentiation. Strategies to recover their osteogenic potential could optimize the results. We aimed to evaluate the effect of photobiomodulation (PBM) therapy on osteoblast differentiation of rats with induced DM. Bone marrow MSCs of healthy and diabetic rats were isolated and differentiated into osteoblasts (OB and dOB, respectively). dOB were treated with PBM therapy every 72 hour (660 nm; 0.14 J; 20 mW; 0.714 W/cm2 , and 5 J/cm2 ). Cell morphology, viability, gene and protein expression of osteoblastic markers, alkaline phosphatase (ALP) activity, and the mineralized matrix production of dOB-PBM were compared to dOB. PBM therapy improved viability of dOB, increased the gene and protein expression of bone markers, the ALP activity and the mineralized matrix production. PBM therapy represents an innovative therapeutic approach to optimize the treatment of bone defects in diabetic patients.
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Affiliation(s)
| | | | - Helena Bacha Lopes
- Bone Research Lab, School of Dentistry of Ribeirão Preto, University of São Paulo, São Paulo, Brazil
| | - Praveen R Arany
- School of Dental Medicine, University at Buffalo, New York, New York, USA
| | - Márcia Martins Marques
- School of Dentistry, University of São Paulo, São Paulo, Brazil
- School of Dentistry, Ibirapuera University, São Paulo, Brazil
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Martin PI, Chao L, Krengel MH, Ho MD, Yee M, Lew R, Knight J, Hamblin MR, Naeser MA. Transcranial Photobiomodulation to Improve Cognition in Gulf War Illness. Front Neurol 2021; 11:574386. [PMID: 33551948 PMCID: PMC7859640 DOI: 10.3389/fneur.2020.574386] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Accepted: 11/09/2020] [Indexed: 11/21/2022] Open
Abstract
Introduction: Approximately 25-30% of veterans deployed to Kuwait, 1990-91, report persistent multi-symptom Gulf War Illness (GWI) likely from neurotoxicant exposures. Photobiomodulation (PBM) in red/near-infrared (NIR) wavelengths is a safe, non-invasive modality shown to help repair hypoxic/stressed cells. Red/NIR wavelengths are absorbed by cytochrome C oxidase in mitochondria, releasing nitric oxide (increasing local vasodilation), and increasing adenosine tri-phosphate production. We investigated whether PBM applied transcranially could improve cognition, and health symptoms in GWI. Materials and Methods: Forty-eight (40 M) participants completed this blinded, randomized, sham-controlled trial using Sham or Real, red/NIR light-emitting diodes (LED) applied transcranially. Fifteen, half-hour transcranial LED (tLED) treatments were twice a week (7.5 weeks, in-office). Goggles worn by participant and assistant maintained blinding for visible red. Pre-/Post- testing was at Entry, 1 week and 1 month post- 15th treatment. Primary outcome measures were neuropsychological (NP) tests; secondary outcomes, Psychosocial Questionnaires, including PTSD. Results: Primary Analyses (all participants), showed improvement for Real vs. Sham, for Digit Span Forwards (p < 0.01); and a trend for Trails 4, Number/Letter Sequencing (p < 0.10). For secondary outcomes, Real group reported more improvement on the SF-36V Plus, Physical Component Score (p < 0.08). Secondary Analyses included only subjects scoring below norm (50%ile) at Entry, on specific NP test/s. Real and Sham improved at 1 week after 15th treatment; however, at 1 month, only those receiving Real improved further: Digit Span Total, Forwards and Backwards; Trails 4, Number/Letter Sequencing; California Verbal Learning Test-II, long delay free recall; Continuous Performance Test-II, False Alarm Rate; and Color-Word Interference, Stroop, Trial 3, Inhibition; Sham group worsened, toward Entry values. Only those with more post-traumatic stress disorder (PTSD) symptomatology at Entry, receiving Real, continued to have additional PTSD reduction at 1 month; Sham regressed. Conclusion: This study was underpowered (n = 48), with large heterogeneity at Entry. This likely contributed to significance or trend to significance, for only two of the NP tests (Digit Span Forwards; Trails 4, Number/Letter Sequencing) and only one general health measure, the SF-36V Plus, Physical Component Score. More subjects receiving Real, self-reported increased concentration, relaxation and sleep. Controlled studies with newer, transcranial LED home treatment devices are warranted; this is expected to increase enrollment. Clinical Trial Registration: www.ClinicalTrials.gov, identifier: NCT01782378.
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Affiliation(s)
- Paula I. Martin
- VA Boston Healthcare System, Boston, MA, United States
- Department of Neurology, School of Medicine, Boston University, Boston, MA, United States
| | - Linda Chao
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, CA, United States
| | - Maxine H. Krengel
- VA Boston Healthcare System, Boston, MA, United States
- Department of Neurology, School of Medicine, Boston University, Boston, MA, United States
| | - Michael D. Ho
- VA Boston Healthcare System, Boston, MA, United States
| | - Megan Yee
- VA Boston Healthcare System, Boston, MA, United States
| | - Robert Lew
- VA Boston Healthcare System, Boston, MA, United States
- Department of Biostatistics, School of Public Health, Boston University, Boston, MA, United States
| | - Jeffrey Knight
- VA Boston Healthcare System, National Center for Posttraumatic Stress Disorder, Boston, MA, United States
| | - Michael R. Hamblin
- Wellman Center for Photomedicine, Massachusetts General Hospital, Boston, MA, United States
- Laser Research Center, Faculty of Health Sciences, University of Johannesburg, Johannesburg, South Africa
| | - Margaret A. Naeser
- VA Boston Healthcare System, Boston, MA, United States
- Department of Neurology, School of Medicine, Boston University, Boston, MA, United States
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The effects of photobiomodulation on human dermal fibroblasts in vitro: A systematic review. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2021; 214:112100. [DOI: 10.1016/j.jphotobiol.2020.112100] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 10/28/2020] [Accepted: 11/30/2020] [Indexed: 12/16/2022]
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Ozdogan CY, Kenar H, Davun KE, Yucel D, Doger E, Alagoz S. An in vitro 3D diabetic human skin model from diabetic primary cells. Biomed Mater 2020; 16:015027. [PMID: 33331294 DOI: 10.1088/1748-605x/abc1b1] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Diabetes mellitus, a complex metabolic disorder, leads to many health complications like kidney failure, diabetic heart disease, stroke, and foot ulcers. Treatment approaches of diabetes and identification of the mechanisms underlying diabetic complications of the skin have gained importance due to continued rapid increase in the diabetes incidence. A thick and pre-vascularized in vitro 3D type 2 diabetic human skin model (DHSM) was developed in this study. The methacrylated gelatin (GelMA) hydrogel was produced by photocrosslinking and its pore size (54.85 ± 8.58 μm), compressive modulus (4.53 ± 0.67 kPa) and swelling ratio (17.5 ± 2.2%) were found to be suitable for skin tissue engineering. 8% GelMA hydrogel effectively supported the viability, spreading and proliferation of human dermal fibroblasts. By isolating dermal fibroblasts, human umbilical vein endothelial cells and keratinocytes from type 2 diabetic patients, an in vitro 3D type 2 DHSM, 12 mm in width and 1.86 mm thick, was constructed. The skin model consisted of a continuous basal epidermal layer and a dermal layer with blood capillary-like structures, ideal for evaluating the effects of anti-diabetic drugs and wound healing materials and factors. The functionality of the DHSM was showed by applying a therapeutic hydrogel into its central wound; especially fibroblast migration to the wound site was evident in 9 d. We have demonstrated that DHSM is a biologically relevant model with sensitivity and predictability in evaluating the diabetic wound healing potential of a therapeutic material.
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Affiliation(s)
- Candan Yilmaz Ozdogan
- Experimental and Clinical Research Center, Diabetes and Obesity Research Laboratory, Kocaeli University, Kocaeli, Turkey. Department of Biology, Graduate School of Natural and Applied Sciences, Kocaeli University, Kocaeli, Turkey
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Rajendran NK, Houreld NN, Abrahamse H. Photobiomodulation reduces oxidative stress in diabetic wounded fibroblast cells by inhibiting the FOXO1 signaling pathway. J Cell Commun Signal 2020; 15:195-206. [PMID: 33052534 DOI: 10.1007/s12079-020-00588-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2019] [Accepted: 09/28/2020] [Indexed: 12/16/2022] Open
Abstract
This study aimed to elucidate the underlying molecular mechanism of photobiomodulation (PBM) in attenuating oxidative stress in diabetic wounded fibroblast cells. Cell models were exposed to PBM at a wavelength of 660 nm (fluence of 5 J/cm2, and power density of 11.2 mW/cm2) or 830 nm (fluence of 5 J/cm2, and power density of 10.3 mW/cm2). Non-irradiated cell models were used as controls. Cellular migration was determined at regular time intervals (0, 12, 24 and 48 h) using inverted light microscopy. Cell viability was determined by the Trypan blue exclusion assay. The levels of enzymic antioxidants superoxide dismutase (SOD), catalase (CAT), and heme oxygenase (HMOX1) were determined by the enzyme linked immunosorbent assay (ELISA). The alteration in the levels of AKT and FOXO1 was determined by immunofluorescence and western blotting. Upon PBM treatment, elevated oxidative stress was reversed in diabetic and diabetic wounded fibroblast cells. The reduced oxidative stress was represented by decreased FOXO1 levels and increased levels of SOD, CAT and HMOX1. This might be due to the activation of the AKT signaling pathway. This study concluded that treatment with PBM progressed diabetic wound healing by attenuating oxidative stress through inhibition of the FOXO1 signaling pathway.
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Affiliation(s)
- Naresh Kumar Rajendran
- Laser Research Centre, Faculty of Health Sciences, University of Johannesburg, P.O. Box 17011, Doornfontein, Johannesburg, 2028, South Africa.
| | - Nicolette Nadene Houreld
- Laser Research Centre, Faculty of Health Sciences, University of Johannesburg, P.O. Box 17011, Doornfontein, Johannesburg, 2028, South Africa
| | - Heidi Abrahamse
- Laser Research Centre, Faculty of Health Sciences, University of Johannesburg, P.O. Box 17011, Doornfontein, Johannesburg, 2028, South Africa
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Malthiery E, Chouaib B, Hernandez-Lopez AM, Martin M, Gergely C, Torres JH, Cuisinier FJ, Collart-Dutilleul PY. Effects of green light photobiomodulation on Dental Pulp Stem Cells: enhanced proliferation and improved wound healing by cytoskeleton reorganization and cell softening. Lasers Med Sci 2020; 36:437-445. [PMID: 32621128 DOI: 10.1007/s10103-020-03092-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Accepted: 06/28/2020] [Indexed: 02/08/2023]
Abstract
Photobiomodulation (PBM) has been shown to improve cell proliferation and cell migration. Many cell types have been investigated, with most studies using deep penetrating red light irradiation. Considering the interest of surface biostimulation of oral mesenchymal cells after surgical wound, the present study aimed to assess green light irradiation effects on Dental Pulp Stem Cells' (DPSC) proliferation and migration. To understand the mechanisms underlying these effects, we investigated cytoskeleton organization and subsequent cell shape and stiffness. A 532-nm wavelength Nd:YAG laser (30 mW) was applied between 30 and 600 s on DPSC in vitro. Cell proliferation was analyzed at 24, 48, and 72 h after irradiation, by cell counting and enzymatic activity quantification (paranitrophenylphosphate phosphatase (pNPP) test). A wound healing assay was used to study cell migration after irradiation. Effects of PBM on cytoskeleton organization and cell shape were assessed by actin filaments staining. Elasticity changes after irradiation were quantified in terms of Young's modulus measured using Atomic Force Microscopy (AFM) force spectroscopy. Green light significantly improved DPSC proliferation with a maximal effect obtained after 300-s irradiation (energy fluence 5 J/cm2). This irradiation had a significant impact on cell migration, improving wound healing after 24 h. These results were concomitant with a decrease of cells' Young's modulus after irradiation. This cell softening was explained by actin cytoskeleton reorganization, with diminution of cell circularity and more abundant pseudopodia. This study highlights the interest of green laser PMB for the proliferation and migration of mesenchymal stem cells, with encouraging results for clinical application, especially for surgical wound healing procedures.
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Affiliation(s)
- Eve Malthiery
- LBN, University Montpellier, 545 Av Pr JL Viala, 34193 CEDEX 4, Montpellier, France
| | - Batoul Chouaib
- LBN, University Montpellier, 545 Av Pr JL Viala, 34193 CEDEX 4, Montpellier, France
| | - Ana María Hernandez-Lopez
- LBN, University Montpellier, 545 Av Pr JL Viala, 34193 CEDEX 4, Montpellier, France.,Universidad Autónoma de Nuevo León, San Nicolás de los Garza, Mexico
| | - Marta Martin
- L2C, CNRS, University Montpellier, Montpellier, France
| | | | - Jacques-Henri Torres
- LBN, University Montpellier, 545 Av Pr JL Viala, 34193 CEDEX 4, Montpellier, France
| | - Frédéric J Cuisinier
- LBN, University Montpellier, 545 Av Pr JL Viala, 34193 CEDEX 4, Montpellier, France
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Shi L, Buchner A, Pohla H, Pongratz T, Rühm A, Zimmermann W, Gederaas OA, Zhang L, Wang X, Stepp H, Sroka R. Methadone enhances the effectiveness of 5-aminolevulinic acid-based photodynamic therapy for squamous cell carcinoma and glioblastoma in vitro. JOURNAL OF BIOPHOTONICS 2019; 12:e201800468. [PMID: 31140754 DOI: 10.1002/jbio.201800468] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2018] [Revised: 05/11/2019] [Accepted: 05/27/2019] [Indexed: 06/09/2023]
Abstract
Although having shown promising clinical outcomes, the effectiveness of 5-aminolevulinic acid-based photodynamic therapy (ALA-PDT) for squamous cell carcinoma (SCC) and glioblastoma remains to be improved. The analgesic drug methadone is able to sensitize various tumors to chemotherapy. In this in vitro study, the influence of methadone to the effectiveness of ALA-PDT for SCC (FADU) and glioblastoma (A172) was investigated on the protoporphyrin IX (PpIX) fluorescence, survival rates, apoptosis, and cell cycle phase, each with or without the presence of methadone. The production of PpIX was increased by methadone in FADU cells while it was decreased in A172 cells. The survival rates of both cell lines treated by ALA-PDT were significantly reduced by the combination with methadone (P < .05). Methadone also significantly increased the percentage of apoptotic cells and improved the effect of ALA-PDT on the cell cycle phase arrest in the G0/G1 phase (P < .05). This study demonstrates the potential of methadone to influence the cytotoxic effect of ALA-PDT for both SCC and glioblastoma cell lines.
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Affiliation(s)
- Lei Shi
- Laser-Forschungslabor, LIFE Center, University Hospital, LMU Munich, Munich, Germany
- Institute of Photomedicine, Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai, People's Republic of China
| | - Alexander Buchner
- Labor für Tumorimmunologie, LIFE Center, University Hospital, LMU Munich, Munich, Germany
- Department of Urology, University Hospital, LMU Munich, Munich, Germany
| | - Heike Pohla
- Labor für Tumorimmunologie, LIFE Center, University Hospital, LMU Munich, Munich, Germany
- Department of Urology, University Hospital, LMU Munich, Munich, Germany
| | - Thomas Pongratz
- Laser-Forschungslabor, LIFE Center, University Hospital, LMU Munich, Munich, Germany
- Department of Urology, University Hospital, LMU Munich, Munich, Germany
| | - Adrian Rühm
- Laser-Forschungslabor, LIFE Center, University Hospital, LMU Munich, Munich, Germany
- Department of Urology, University Hospital, LMU Munich, Munich, Germany
| | - Wolfgang Zimmermann
- Labor für Tumorimmunologie, LIFE Center, University Hospital, LMU Munich, Munich, Germany
- Department of Urology, University Hospital, LMU Munich, Munich, Germany
| | - Odrun A Gederaas
- Department of Chemistry, Norwegian University of Science and Technology, NTNU, Trondheim, Norway
- Odrun Arna Gederaas, Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, NTNU, Trondheim, Norway
| | - Linglin Zhang
- Institute of Photomedicine, Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai, People's Republic of China
| | - Xiuli Wang
- Institute of Photomedicine, Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai, People's Republic of China
| | - Herbert Stepp
- Laser-Forschungslabor, LIFE Center, University Hospital, LMU Munich, Munich, Germany
- Department of Urology, University Hospital, LMU Munich, Munich, Germany
| | - Ronald Sroka
- Laser-Forschungslabor, LIFE Center, University Hospital, LMU Munich, Munich, Germany
- Institute of Photomedicine, Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai, People's Republic of China
- Department of Urology, University Hospital, LMU Munich, Munich, Germany
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da Silva Oliveira VR, Santos-Eichler RA, Dale CS. Photobiomodulation increases cell viability via AKT activation in an in vitro model of diabetes induced by glucose neurotoxicity. Lasers Med Sci 2019; 35:149-156. [DOI: 10.1007/s10103-019-02808-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Accepted: 05/14/2019] [Indexed: 01/22/2023]
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Photobiomodulation-induced analgesia in experimental temporomandibular disorder involves central inhibition of fractalkine. Lasers Med Sci 2019; 34:1841-1847. [DOI: 10.1007/s10103-019-02785-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Accepted: 04/03/2019] [Indexed: 12/19/2022]
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Efficacy of Biophysical Energies on Healing of Diabetic Skin Wounds in Cell Studies and Animal Experimental Models: A Systematic Review. Int J Mol Sci 2019; 20:ijms20020368. [PMID: 30654555 PMCID: PMC6359711 DOI: 10.3390/ijms20020368] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Revised: 01/04/2019] [Accepted: 01/14/2019] [Indexed: 12/22/2022] Open
Abstract
We have systematically assessed published cell studies and animal experimental reports on the efficacy of selected biophysical energies (BPEs) in the treatment of diabetic foot ulcers. These BPEs include electrical stimulation (ES), pulsed electromagnetic field (PEMF), extracorporeal shockwave (ECSW), photo energies and ultrasound (US). Databases searched included CINAHL, MEDLINE and PubMed from 1966 to 2018. Studies reviewed include animal and cell studies on treatment with BPEs compared with sham, control or other BPEs. Information regarding the objective measures of tissue healing and data was extracted. Eighty-two studies were eventually selected for the critical appraisal: five on PEMF, four each on ES and ECSW, sixty-six for photo energies, and three about US. Based on the percentage of original wound size affected by the BPEs, both PEMF and low-level laser therapy (LLL) demonstrated a significant clinical benefit compared to the control or sham treatment, whereas the effect of US did not reveal a significance. Our results indicate potential benefits of selected BPEs in diabetic wound management. However, due to the heterogeneity of the current clinical trials, comprehensive studies using well-designed trials are warranted to confirm the results.
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Lou Z, Zhang C, Gong T, Xue C, Scholp A, Jiang JJ. Wound-healing effects of 635-nm low-level laser therapy on primary human vocal fold epithelial cells: an in vitro study. Lasers Med Sci 2018; 34:547-554. [PMID: 30244401 DOI: 10.1007/s10103-018-2628-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Accepted: 08/27/2018] [Indexed: 11/28/2022]
Abstract
Low-level laser therapy (LLLT) has been promoted for its beneficial effects on tissue healing and pain relief for skin and oral applications. However, there is no corresponding literature reporting on vocal fold wound healing. Our purpose was to assess the potential wound-healing effects of LLLT on primary human vocal fold epithelial cells (VFECs). In this study, normal vocal fold tissue was obtained from a 58-year-old male patient who was diagnosed with postcricoid carcinoma without involvement of the vocal folds and underwent total laryngectomy. Primary VFECs were then cultured. Cells were irradiated at a wavelength of 635 nm with fluences of 1, 4, 8, 12, 16, and 20 J/cm2 (50 mW/cm2), which correspond to irradiation times of 20, 80, 160, 240, 320, and 400 s, respectively. Cell viability of VFECs in response to varying doses of LLLT was investigated by the Cell Counting Kit-8 (CCK-8) method. The most effective irradiation dose was selected to evaluate the cell migration capacity by using the scratch wound-healing assay. Real-time polymerase chain reaction (RT-PCR) was used to detect the gene expression of TGF-β1, TGF-β3, EGF, IL-6, and IL-10. Irradiation with doses of 8 J/cm2 resulted in 4% increases in cell proliferation differing significantly from the control group (p < 0.05). With subsequent doses at 48 and 72 h after irradiation, the differences between the experimental and the control groups became greater, up to 9.8% (p < 0.001) and 19.5% (p < 0.001), respectively. It also increased cell migration and the expression of some genes, such as EGF, TGF-β1, TGF-β3, and IL-10, involved in the tissue healing process. This study concludes that LLLT at the preset parameters was capable of stimulating the proliferation and migration of human vocal fold epithelial cells in culture as well as increase the expression of some genes involved in tissue healing process. Additionally, successive laser treatments at 24 h intervals have an additive beneficial effect on the healing of injured tissues.
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Affiliation(s)
- Zhewei Lou
- The Department of Otolaryngology-Head and Neck Surgery, Eye, Ear, Nose, and Throat Hospital, Fudan University, 83 Fenyang Road, Shanghai, 200030, China
| | - Chi Zhang
- The Department of Otolaryngology-Head and Neck Surgery, Eye, Ear, Nose, and Throat Hospital, Fudan University, 83 Fenyang Road, Shanghai, 200030, China
| | - Ting Gong
- The Department of Otolaryngology-Head and Neck Surgery, Eye, Ear, Nose, and Throat Hospital, Fudan University, 83 Fenyang Road, Shanghai, 200030, China
| | - Chao Xue
- The Department of Otolaryngology-Head and Neck Surgery, Eye, Ear, Nose, and Throat Hospital, Fudan University, 83 Fenyang Road, Shanghai, 200030, China
| | - Austin Scholp
- The Department of Surgery, Division of Otolaryngology-Head and Neck Surgery, University of Wisconsin-Madison School of Medicine and Public Health, Madison, WI, USA
| | - Jack J Jiang
- The Department of Otolaryngology-Head and Neck Surgery, Eye, Ear, Nose, and Throat Hospital, Fudan University, 83 Fenyang Road, Shanghai, 200030, China.
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