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Amaroli A, Clemente Vargas MR, Pasquale C, Raffetto M, Ravera S. Photobiomodulation on isolated mitochondria at 810 nm: first results on the efficiency of the energy conversion process. Sci Rep 2024; 14:11060. [PMID: 38744931 PMCID: PMC11094005 DOI: 10.1038/s41598-024-61740-w] [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: 12/13/2023] [Accepted: 05/09/2024] [Indexed: 05/16/2024] Open
Abstract
In this paper the photobiomodulation on isolated mitochondria of bovine liver is studied as a thermodynamic process of conversion of energy. This analysis is conducted by considering a particular set-up for the photobiomodulation experiments of interest. It allows, in particular, the computation of the electromagnetic field and the related energetic quantities in the stimulated organelles. The measurements of the excess of biochemical power density produced by the illuminated mitochondria are performed at regular time intervals after the experiments. The calculations and the measurements finally allow us to obtain the first results on the efficiency of the process of conversion of electromagnetic energy into excess of biochemical energy released by the isolated organelles.
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Affiliation(s)
- Andrea Amaroli
- Department of Earth, Environment and Life Sciences, University of Genoa, Corso Europa 26, 16132, Genoa, Italy
| | - Mario Rene Clemente Vargas
- Department of Electrical, Electronic, Telecommunications Engineering and Naval Architecture, University of Genoa, Via Opera Pia 11a, 16145, Genoa, Italy
| | - Claudio Pasquale
- Department of Mechanical, Energy, Management and Transport Engineering, University of Genova, Via Opera Pia 15, 16145, Genoa, Italy
| | - Mirco Raffetto
- Department of Electrical, Electronic, Telecommunications Engineering and Naval Architecture, University of Genoa, Via Opera Pia 11a, 16145, Genoa, Italy.
| | - Silvia Ravera
- Department of Experimental Medicine, University of Genoa, Via L. B. Alberti 2, 16132, Genoa, Italy
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da Silva TG, Rodrigues JA, Siqueira PB, Dos Santos Soares M, Mencalha AL, de Souza Fonseca A. Effects of photobiomodulation by low-power lasers and LEDs on the viability, migration, and invasion of breast cancer cells. Lasers Med Sci 2023; 38:191. [PMID: 37610503 DOI: 10.1007/s10103-023-03858-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Accepted: 08/16/2023] [Indexed: 08/24/2023]
Abstract
Among the malignant tumors, breast cancer is the most commonly diagnosed worldwide, being the most prevalent in women. Photobiomodulation has been used for wound healing, swelling and pain reduction, and muscle repair. The application of photobiomodulation in cancer patients has been controversial. Therefore, a better understanding of radiation-induced effects involved in photobiomodulation on cancer cells is needed. Thus, this study aimed to investigate the effects of exposure to low-power lasers and LEDs on cell viability, migration, and invasion in human breast cancer cells. MCF-7 and MDA-MB-231 cells were irradiated with a low-power red laser (23, 46, and 69 J/cm2, 0.77 W/cm2) and blue LED (160, 321, and 482 J/cm2, 5.35 W/cm2), alone or in combination. Cell viability was assessed using the WST-1 assay, cell migration was evaluated using the wound healing assay, and cell invasion was performed using the Matrigel transwell assay. Viability and migration were not altered in MCF-7 and MDA-MB-231 cultures after exposure to low-power red laser and blue LED. However, there was a decrease in cell invasion from the cultures of the two cell lines evaluated. The results suggest that photobiomodulation induced by low-power red laser and blue LED does not alter cell viability and migration but decreases cell invasion in human breast cancer cells.
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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, Boulevard 28 de Setembro, 87, PAPC, 4Th Floor, CEP: 20.551-030, Vila Isabel, Rio de Janeiro, Brazil.
| | - Juliana Alves Rodrigues
- Departamento de Biofísica E Biometria, Instituto de Biologia Roberto Alcantara Gomes, Universidade Do Estado Do Rio de Janeiro, Boulevard 28 de Setembro, 87, PAPC, 4Th Floor, CEP: 20.551-030, Vila Isabel, Rio de Janeiro, Brazil
| | - Priscyanne Barreto Siqueira
- Departamento de Biofísica E Biometria, Instituto de Biologia Roberto Alcantara Gomes, Universidade Do Estado Do Rio de Janeiro, Boulevard 28 de Setembro, 87, PAPC, 4Th Floor, CEP: 20.551-030, Vila Isabel, Rio de Janeiro, Brazil
| | - Márcia Dos Santos Soares
- Departamento de Biofísica E Biometria, Instituto de Biologia Roberto Alcantara Gomes, Universidade Do Estado Do Rio de Janeiro, Boulevard 28 de Setembro, 87, PAPC, 4Th Floor, CEP: 20.551-030, Vila Isabel, Rio de Janeiro, Brazil
| | - Andre Luiz Mencalha
- Departamento de Biofísica E Biometria, Instituto de Biologia Roberto Alcantara Gomes, Universidade Do Estado Do Rio de Janeiro, Boulevard 28 de Setembro, 87, PAPC, 4Th Floor, CEP: 20.551-030, Vila Isabel, Rio de Janeiro, Brazil
| | - Adenilson de Souza Fonseca
- Departamento de Biofísica E Biometria, Instituto de Biologia Roberto Alcantara Gomes, Universidade Do Estado Do Rio de Janeiro, Boulevard 28 de Setembro, 87, PAPC, 4Th Floor, CEP: 20.551-030, Vila Isabel, Rio de Janeiro, 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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Laser light sources for photobiomodulation: The role of power and beam characterization in treatment accuracy and reliability. PLoS One 2022; 17:e0266193. [PMID: 35353859 PMCID: PMC8967059 DOI: 10.1371/journal.pone.0266193] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 03/15/2022] [Indexed: 11/19/2022] Open
Abstract
Purpose Daily clinical use of therapeutic light sources can lead to changes in light emission stability with potentially significant consequences for usage in photomedicine treatment. The aim of this study was to evaluate the average and maximum power and to describe the beam diameter of different low-power laser photobiomodulation devices in clinical use in Brazil. Methods The power and light-emitting beam diameter of twenty-four therapeutic devices with an average age of 11±5 years, with an average weekly use of fewer than thirty minutes, were measured. Results The analyzed power varied between 2% to 134% of the values declared by the manufacturers. Differences in beam diameter of between 38% and 543% of the nominal values were also observed. It is also noteworthy that even between the same brand and model, differences in diameter were obtained. Finally, differences were observed in the power output after one and three minutes of sequential emission for 830 nm and 904 nm (p < 0.05), but not when comparing the difference between wavelengths in factor time. Conclusion There is a need for a shared effort on the part of laser manufacturers to improve standardization and consistency of laser output power and beam diameters. At the same time, medical laser operators should also consider development of standardized protocols for maintenance and monitoring equipment performance over time to correct for fluctuations that could ultimately impact on treatment outcomes.
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Sutterby E, Thurgood P, Baratchi S, Khoshmanesh K, Pirogova E. Evaluation of in vitro human skin models for studying effects of external stressors and stimuli and developing treatment modalities. VIEW 2022. [DOI: 10.1002/viw.20210012] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Affiliation(s)
- Emily Sutterby
- School of Engineering RMIT University Melbourne Victoria Australia
| | - Peter Thurgood
- School of Engineering RMIT University Melbourne Victoria Australia
| | - Sara Baratchi
- School of Health and Biomedical Sciences RMIT University Bundoora Victoria Australia
| | | | - Elena Pirogova
- School of Engineering RMIT University Melbourne Victoria Australia
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Sleep SL, Skelly D, Love RM, George R. Bioenergetics of photobiomodulated osteoblast mitochondrial cells derived from human pulp stem cells: systematic review. Lasers Med Sci 2021; 37:1843-1853. [PMID: 34806122 DOI: 10.1007/s10103-021-03439-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Accepted: 10/06/2021] [Indexed: 01/17/2023]
Abstract
Dental pulp cells are a source of multipotent mesenchymal stem cells with a high proliferation rate and multilineage differentiation potential. This study investigated the photobiomodulated bioenergetic effects of mitochondria in osteoblasts that differentiated from human pulp stem cells. The systematic review followed PRISMA guidelines. The PICO question was formulated. Criteria for inclusion and exclusion were established prior to searches being performed on the PubMed/MEDLINE, Embase, and Scopus. Articles were identified and included if published in English within last 10 years; photobiomodulation or low-level laser therapy were discussed; the delivery parameters for dose and time were included and the studies focused on bioenergetics of osteoblast mitochondria. Studies excluded were non-human dental pulp tissue and in vivo studies. A total number of 110 articles were collated, 106 were excluded leaving a total of 4 articles. These studies demonstrated that in vitro use of photobiomodulation was performed using different laser and LED types; InGaAlP; InGaN; and InGaAsP with average wavelengths of 630 to 940 nm. Primary human osteoblastic STRO-1 and mesenchymal stem cell lineages were studied. Three out of four articles confirmed positive bioenergetic effects of photobiomodulation on mitochondria of osteoblasts derived from human pulp cells. This systematic review demonstrated a lack of adequate reporting of bioenergetics of osteoblast mitochondria after photobiomodulation treatment.
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Affiliation(s)
- Simone L Sleep
- School of Medicine and Dentistry, Griffith University, Gold Coast, Australia
| | - Deanne Skelly
- Environmental Futures Research Institute, Griffith University, Nathan, QLD, Australia.,School of Environment and Science, Griffith University, Nathan, QLD, Australia.,Institute for Health and Sport, Victoria University, Melbourne, VIC, Australia
| | - Robert M Love
- School of Medicine and Dentistry, Griffith University, Gold Coast, Australia
| | - Roy George
- School of Medicine and Dentistry, Griffith University, Gold Coast, Australia.
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Torquato LC, Suárez EAC, Bernardo DV, Pinto ILR, Mantovani LO, Silva TIL, Jardini MAN, Santamaria MP, De Marco AC. Bone repair assessment of critical size defects in rats treated with mineralized bovine bone (Bio-Oss®) and photobiomodulation therapy: a histomorphometric and immunohistochemical study. Lasers Med Sci 2021; 36:1515-1525. [PMID: 33400010 DOI: 10.1007/s10103-020-03234-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Accepted: 12/22/2020] [Indexed: 10/22/2022]
Abstract
This study aimed to investigate the effects of administering photobiomodulation therapy (PBM) with bovine bone matrix on critical size defects in rats. Seventy-two adult male rats (albinus, Wistar), 90 days old, were used. Defect of 5 mm in diameter was made in their calvaria. The animals were divided into 4 groups: C-blood clot, B-Bio-Oss®, L-PBM, B+L-Bio-Oss®+PBM. Each group has been subdivided into 07, 30, and 60 days of observation. For PBM, a low GaAlAs energy of 660 nm was irradiated, total energy density of 45 J/cm2 . PBM was conducted in a trans-surgical form once only. For immunohistochemistry, a semi-quantitative analysis was made of expression of osteoprotegerin (OPG), nuclear kappa B-factor ligand receptor activator (RANKL), and tartrate-resistant acid phosphatase (TRAP). All histomorphometric data were statistically analyzed by ANOVA and Tukey test, significance level of 5%. The groups that showed the highest proportion of neoformation were L (0.39% ± 0.13) and C (0.37% ± 0.97), but groups B and B+L had larger defect size (C-1.75 mm2 ± 0.40, B-3.02 mm2 ± 0.63, L-2.45 mm2 ± 0.53, B+L-3.23 mm2 ± 1.01). In immunohistochemistry, groups B and B+L had higher immunostaining scores for OPG and RANKL at 60 days, and TRAP immunostaining increased in all groups at 30 days, but group L was the only one to present specimens with score 0. Although, at 60 days, groups L and C presented the highest proportion of bone neoformation, at 30 days group B+L had more than twice as much bone neoformation as group B, the choice of treatment application should depend on the aim of the treatment.
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Affiliation(s)
- Letícia Cavassini Torquato
- Department of Diagnosis and Surgery, São Paulo State University (UNESP), Institute of Science and Technology, Av. Eng. Francisco José Longo, n° 777 - Jardim São Dimas, São José dos Campos, SP, 12245-000, Brazil.
| | - Eduardo Antonio Chelin Suárez
- Department of Diagnosis and Surgery, São Paulo State University (UNESP), Institute of Science and Technology, Av. Eng. Francisco José Longo, n° 777 - Jardim São Dimas, São José dos Campos, SP, 12245-000, Brazil
| | - Daniella Viscensotto Bernardo
- Department of Diagnosis and Surgery, São Paulo State University (UNESP), Institute of Science and Technology, Av. Eng. Francisco José Longo, n° 777 - Jardim São Dimas, São José dos Campos, SP, 12245-000, Brazil
| | | | | | - Thiago Igor Lemes Silva
- São Paulo State University (UNESP), Institute of Science and Technology, São José dos Campos, SP, Brazil
| | - Maria Aparecida Neves Jardini
- Department of Diagnosis and Surgery - Division of Periodontology, São Paulo State University (UNESP), Institute of Science and Tecnology, São José dos Campos, SP, Brazil
| | - Mauro Pedrine Santamaria
- Department of Diagnosis and Surgery - Division of Periodontology, São Paulo State University (UNESP), Institute of Science and Tecnology, São José dos Campos, SP, Brazil
| | - Andrea Carvalho De Marco
- Department of Diagnosis and Surgery - Division of Periodontology, São Paulo State University (UNESP), Institute of Science and Tecnology, São José dos Campos, SP, Brazil
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Dos Santos Mendes-Costa L, de Lima VG, Barbosa MPR, Dos Santos LE, de Siqueira Rodrigues Fleury Rosa S, Tatmatsu-Rocha JC. Photobiomodulation: systematic review and meta-analysis of the most used parameters in the resolution diabetic foot ulcers. Lasers Med Sci 2020; 36:1129-1138. [PMID: 33190161 DOI: 10.1007/s10103-020-03192-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Accepted: 11/09/2020] [Indexed: 12/16/2022]
Abstract
The most common photobiomodulation parameters used to aid in the treatment of diabetic foot ulcers were investigated in this paper. The databases MEDLINE, LILACS, MEDCARIB, PAHO-IRIS, and WHOLIS were searched with the following descriptors: diabetic foot ulcers AND low-level laser therapy OR low-level therapy AND wound healing; this search was conducted from January of 2014 to December of 2019. Inclusion criteria were randomized clinical trials on humans. Exclusion criteria were systematic reviews, literature reviews, studies with animals, studies lacking photobiomodulation parameters, and studies with non-diabetic individuals. The Jadad scale was used in order to analyze the methodological quality of the matching papers. There were seventeen studies found on PubMed and four on LILACS. Among these, seven were selected, according to the inclusion and exclusion criteria. Two out of the seven matching studies obtained a high score, and five obtained a low score, on the Jadad scale. The studies settled on the use of 600-nm and 800-nm wavelength spectrum. Most of the analyzed papers on photobiomodulation on diabetic foot ulcers did not describe the detailed parameters in their methodology. None of the studies featured the maximum score with regard to the Jadad scale for methodological quality. The relations of energy versus wavelength and power versus wavelength were divergent among the parameters on the papers. Therefore, it is necessary to analyze the parameters for an optimized power value in order to improve the results of the treatment.
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Affiliation(s)
- Luan Dos Santos Mendes-Costa
- Faculty of Medicine, Physiotherapy Department, Center for Research and Technological Innovation on Human Rehabilitation, Federal University of Ceará, Rua Rodolfo Teófilo, Fortaleza, Ceará, 60430-540, Brazil
| | - Vanessa Garcia de Lima
- Center for Health Sciences, Physiotherapy Department, University of Fortaleza, Fortaleza, Brazil
| | - Maria Paula Ribeiro Barbosa
- Faculty of Medicine, Physiotherapy Department, Center for Research and Technological Innovation on Human Rehabilitation, Federal University of Ceará, Rua Rodolfo Teófilo, Fortaleza, Ceará, 60430-540, Brazil
| | | | | | - José Carlos Tatmatsu-Rocha
- Faculty of Medicine, Physiotherapy Department, Center for Research and Technological Innovation on Human Rehabilitation, Federal University of Ceará, Rua Rodolfo Teófilo, Fortaleza, Ceará, 60430-540, Brazil. .,Post-Graduate Program of Biomedical Engineering, University of Brasília, Brasília, Brazil.
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Petz FDFC, Félix JVC, Roehrs H, Pott FS, Stocco JGD, Marcos RL, Meier MJ. Effect of Photobiomodulation on Repairing Pressure Ulcers in Adult and Elderly Patients: A Systematic Review. Photochem Photobiol 2019; 96:191-199. [DOI: 10.1111/php.13162] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2019] [Accepted: 09/03/2019] [Indexed: 01/12/2023]
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Photobiomodulation via multiple-wavelength radiations. Lasers Med Sci 2019; 35:307-316. [PMID: 31523781 DOI: 10.1007/s10103-019-02879-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2019] [Accepted: 09/06/2019] [Indexed: 10/26/2022]
Abstract
Photobiomodulation via a combination of different radiations can produce different effects on biological tissues, such as cell proliferation and differentiation, when compared to those produced via a single radiation. The present study aims to conduct a review of the literature addressing the results and applications of photobiomodulation induced by a combination of two or more radiations as well as their possible effects. PubMed was used to search for studies with restrictions on the year (< 50 years old) and language (English), including studies using human and animal models, either under healthy or pathologic conditions. Several studies have been conducted to evaluate the combination of different radiation effects on cells and biological tissues. Positive effects resulting from multiple-wavelength radiations could be attributed to different absorption levels because superficial and deep tissues could absorb different levels of radiations. Multiple-wavelength radiations from devices combining radiations emitted by low power lasers and light-emitting diodes could be a new approach for promoting photobiomodulation-induced beneficial effects.
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