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Ferro AP, de Jesus Guirro RR, Ferraresi C, Celli J, Orellana MD, de Santis GC, Junior JAF, de Oliveira Guirro EC. Influence of Different Photobiomodulation Parameters on Multi-Potent Adipose Tissue Mesenchymal Cells In Vitro. Photobiomodul Photomed Laser Surg 2024; 42:200-207. [PMID: 38416634 DOI: 10.1089/photob.2023.0137] [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] [Indexed: 03/01/2024] Open
Abstract
Objective: Investigating the effect of different parameters of photobiomodulation (PBM) with low-power laser on multi-potent mesenchymal stem cells (MSCs) derived from adipose tissue in terms of proliferation and cell death. Methods: MSCs were submitted to PBM applications with combinations of the following physical parameters: control group (no intervention), wavelengths of 660 and 830 nm; energy of 0.5, 2, and 4 J; and power of 40 and 100 mW. MSC analysis was performed using MetaXpress® software at 24, 48, and 72 h. Results: Irradiation promoted a significant increase in cell proliferation (p < 0.05), with 830 nm laser, 100 mW, with energy of 0.5, 2, and 4 J in relation to the control group at all times. PBM with 660 nm, power of 40 mW, and energy of 0.5, 2, and 4 J produced greater cell death at 24 h compared with the control group. At the time of 72 h, there was no significant difference concerning cell death. Conclusions: According to the results found, we can conclude that both wavelengths were effective; however, the 830 nm laser was more effective in terms of cell proliferation compared with the 660 nm laser. The 660 nm wavelength showed a significant increase in cell death when compared with the 830 nm laser.
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Affiliation(s)
- Ana Paula Ferro
- Department of Health Sciences, Postgraduate Program in Rehabilitation and Functional Performance, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Rinaldo Roberto de Jesus Guirro
- Department of Health Sciences, Postgraduate Program in Rehabilitation and Functional Performance, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Cleber Ferraresi
- Department of Physical Therapy, Postgraduate Program in Physiotherapy, Federal University of São Carlos, São Paulo, Brazil
| | - Jonathan Celli
- Department of Physics, University of Massachusetts Boston, Boston, Massachusetts, USA
| | - Maristela Delgado Orellana
- Department of Cell Biology, Ribeirão Preto Blood Center Foundation, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Gil Cunha de Santis
- Department of Cell Therapy, Regional Blood Center of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Jayme Adriano Farina Junior
- Department of Surgery, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Elaine Caldeira de Oliveira Guirro
- Department of Health Sciences, Postgraduate Program in Rehabilitation and Functional Performance, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
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da Silva TG, Ribeiro RS, Mencalha AL, de Souza Fonseca A. Photobiomodulation at molecular, cellular, and systemic levels. Lasers Med Sci 2023; 38:136. [PMID: 37310556 DOI: 10.1007/s10103-023-03801-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Accepted: 06/05/2023] [Indexed: 06/14/2023]
Abstract
Since the reporting of Endre Mester's results, researchers have investigated the biological effects induced by non-ionizing radiation emitted from low-power lasers. Recently, owing to the use of light-emitting diodes (LEDs), the term photobiomodulation (PBM) has been used. However, the molecular, cellular, and systemic effects involved in PBM are still under investigation, and a better understanding of these effects could improve clinical safety and efficacy. Our aim was to review the molecular, cellular, and systemic effects involved in PBM to elucidate the levels of biological complexity. PBM occurs as a consequence of photon-photoacceptor interactions, which lead to the production of trigger molecules capable of inducing signaling, effector molecules, and transcription factors, which feature it at the molecular level. These molecules and factors are responsible for cellular effects, such as cell proliferation, migration, differentiation, and apoptosis, which feature PBM at the cellular level. Finally, molecular and cellular effects are responsible for systemic effects, such as modulation of the inflammatory process, promotion of tissue repair and wound healing, reduction of edema and pain, and improvement of muscle performance, which features PBM at the systemic level.
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Affiliation(s)
- Thayssa Gomes da Silva
- Departamento de Biofísica e Biometria, Instituto de Biologia Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro, Vila Isabel, Boulevard 28 de Setembro, 87, Rio de Janeiro, 20551030, Brazil.
| | - Rickson Souza Ribeiro
- Departamento de Biofísica e Biometria, Instituto de Biologia Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro, Vila Isabel, Boulevard 28 de Setembro, 87, Rio de Janeiro, 20551030, Brazil
| | - Andre Luiz Mencalha
- Departamento de Biofísica e Biometria, Instituto de Biologia Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro, Vila Isabel, Boulevard 28 de Setembro, 87, Rio de Janeiro, 20551030, Brazil
| | - Adenilson de Souza Fonseca
- Departamento de Biofísica e Biometria, Instituto de Biologia Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro, Vila Isabel, Boulevard 28 de Setembro, 87, Rio de Janeiro, 20551030, Brazil
- Departamento de Ciências Fisiológicas, Instituto Biomédico, Universidade Federal do Estado do Rio de Janeiro, Rua Frei Caneca, 94, Rio de Janeiro, 20211040, Brazil
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Burton B, Parodi MB, Jürgens I, Zanlonghi X, Hornan D, Roider J, Lorenz K, Munk MR, Croissant CL, Tedford SE, Walker M, Ruckert R, Tedford CE. LIGHTSITE II Randomized Multicenter Trial: Evaluation of Multiwavelength Photobiomodulation in Non-exudative Age-Related Macular Degeneration. Ophthalmol Ther 2023; 12:953-968. [PMID: 36588113 PMCID: PMC9805913 DOI: 10.1007/s40123-022-00640-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 12/08/2022] [Indexed: 01/03/2023] Open
Abstract
INTRODUCTION Photobiomodulation (PBM) represents a potential treatment for non-exudative age-related macular degeneration (AMD). PBM uses wavelengths of light to target components of the mitochondrial respiratory chain to improve cellular bioenergetic outputs. The aim of this study was to further investigate the effects of PBM on clinical, quality of life (QoL) and anatomical outcomes in subjects with intermediate stage non-exudative AMD. METHODS The multicenter LIGHTSITE II study was a randomized clinical trial evaluating safety and efficacy of PBM in intermediate non-exudative AMD. The LumiThera Valeda® Light Delivery System delivered multiwavelength PBM (590, 660 and 850 nm) or sham treatment 3 × per week over 3-4 weeks (9 treatments per series) with repeated treatments at baseline (BL), 4 and 8 months. Subjects were enrolled with 20/32 to 20/100 best-corrected visual acuity (BCVA) and no central geographic atrophy (GA) within the central fovea (500 μm). RESULTS LIGHTSITE II enrolled 44 non-exudative AMD subjects (53 eyes). PBM-treated eyes showed statistically significant improvement in BCVA at 9 months (n = 32 eyes, p = 0.02) with a 4-letter gain in the PBM-treated group versus a 0.5-letter gain in the sham-treated group (ns, p < 0.1) for patients that received all 27 PBM treatments (n = 29 eyes). Approximately 35.3% of PBM-treated eyes showed ≥ 5-letter improvement at 9 months. Macular drusen volume was not increased over time in the PBM-treated group but did show increases in the sham-treated group. While PBM and sham groups both showed GA lesion growth in the trial period, there was 20% less growth in the PBM group over 10 months, suggesting potential disease-modifying effects. No safety concerns or signs of phototoxicity were observed. CONCLUSION These results confirm previous clinical testing of multiwavelength PBM and support treatment with Valeda as a novel therapy with a unique mechanism of action as a potential treatment for non-exudative AMD. TRIAL REGISTRATION Clinicaltrial.Gov Registration Identifier: NCT03878420.
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Affiliation(s)
- Ben Burton
- James Paget University, Great Yarmouth, UK
| | - Maurizio Battaglia Parodi
- Department of Ophthalmology, Vita-Salute San Raffaele University, Istituto Scientifico Ospedale San Raffaele IRCSS, Milan, Italy
| | | | - Xavier Zanlonghi
- Institut Ophtalmologique de L'Ouest-Clinique Jules VERNE, Nantes, France
| | - Dan Hornan
- Peterborough City Hospital, Peterborough, UK
| | - Johann Roider
- Klinik Fur Ophthalmologie, Universitatsklinikum Schleswig-Holstein, Kiel, Germany
| | - Katrin Lorenz
- Universitätsmedizin Mainz-Augenklinik, Mainz, Germany
| | - Marion R Munk
- Department of Ophthalmology, Inselspital University Hospital Bern, Bern, Switzerland
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Photobiomodulation effects in metalloproteinases expression in zymosan-induced arthritis. Lasers Med Sci 2022; 37:3661-3670. [PMID: 36156751 DOI: 10.1007/s10103-022-03647-4] [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: 06/17/2021] [Accepted: 09/18/2022] [Indexed: 10/14/2022]
Abstract
Matrix metalloproteinases (MMPs) play a crucial role in the degenerative course of rheumatic disorders. They are responsible for cartilage and other joint-associated tissues breakdown. Amid arthritis treatments, photobiostimulation (PBM), a non-thermal and non-invasive low-power laser application, appears to be an outstanding therapy alternative once it has succeeded in MMPs modulation. Thus, this study aimed to evaluate the PBM effects of low infrared laser (830 nm), testing two different energy densities (3 and 30 Jcm-2) in MMP-2, MMP-9, MMP-13, and MMP-14 as well as the inhibitor TIMP-2 expressions using zymosan-induced arthritis model. C57BL/6 mice were distributed into four groups (n = 8): zymosan-induced arthritis without treatment; zymosan-induced arthritis and dexamethasone-treated; zymosan-induced arthritis and PBM at energy density of 3 Jcm-2 treated; and zymosan-induced arthritis and PBM at energy density of 30 Jcm-2 treated. MMPs and TIMP-2 mRNA relative levels by qRT-PCR and proteins expression by immunohistochemical and Western blotting techniques were performed after PBM treatment in the inflamed joint. Our results demonstrated PBM could modulate both mRNA relative levels and proteins expression of the MMP-2, -9, -13, -14, and TIMP-2 in joint tissues, decreasing MMP-9 protein expression and increasing TIMP-2 protein expression. PBM promotes a better arthritis prognostic, modulating metalloproteinase and its inhibitor, especially MMP-9 and TIMP-2 protein expression that is important inflammatory markers. These findings may also corroborate that PBM may regulate MMPs expression using different pathways.
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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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Faria LV, Andrade IN, dos Anjos LMJ, de Paula MVQ, de Souza da Fonseca A, de Paoli F. Photobiomodulation can prevent apoptosis in cells from mouse periodontal ligament. Lasers Med Sci 2020; 35:1841-1848. [DOI: 10.1007/s10103-020-03044-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Accepted: 05/20/2020] [Indexed: 01/09/2023]
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