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Selestin Raja I, Kim C, Oh N, Park JH, Hong SW, Kang MS, Mao C, Han DW. Tailoring photobiomodulation to enhance tissue regeneration. Biomaterials 2024; 309:122623. [PMID: 38797121 DOI: 10.1016/j.biomaterials.2024.122623] [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: 02/07/2024] [Revised: 04/25/2024] [Accepted: 05/19/2024] [Indexed: 05/29/2024]
Abstract
Photobiomodulation (PBM), the use of biocompatible tissue-penetrating light to interact with intracellular chromophores to modulate the fates of cells and tissues, has emerged as a promising non-invasive approach to enhancing tissue regeneration. Unlike photodynamic or photothermal therapies that require the use of photothermal agents or photosensitizers, PBM treatment does not need external agents. With its non-harmful nature, PBM has demonstrated efficacy in enhancing molecular secretions and cellular functions relevant to tissue regeneration. The utilization of low-level light from various sources in PBM targets cytochrome c oxidase, leading to increased synthesis of adenosine triphosphate, induction of growth factor secretion, activation of signaling pathways, and promotion of direct or indirect gene expression. When integrated with stem cell populations, bioactive molecules or nanoparticles, or biomaterial scaffolds, PBM proves effective in significantly improving tissue regeneration. This review consolidates findings from in vitro, in vivo, and human clinical outcomes of both PBM alone and PBM-combined therapies in tissue regeneration applications. It encompasses the background of PBM invention, optimization of PBM parameters (such as wavelength, irradiation, and exposure time), and understanding of the mechanisms for PBM to enhance tissue regeneration. The comprehensive exploration concludes with insights into future directions and perspectives for the tissue regeneration applications of PBM.
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Affiliation(s)
| | - Chuntae Kim
- Institute of Nano-Bio Convergence, Pusan National University, Busan, 46241, Republic of Korea; Center for Biomaterials Biomedical Research Institute, Korea Institute of Science and Technology, Seoul, 02792, Republic of Korea
| | - Nuri Oh
- Department of Chemistry and Biology, Korea Science Academy of KAIST, Busan, 47162, Republic of Korea
| | - Ji-Ho Park
- Department of Bio and Brain Engineering and KAIST Institute for Health Science and Technology, Korea Advanced Institute of Science and Technology, Daejeon, 34141, Republic of Korea
| | - Suck Won Hong
- Department of Cogno-Mechatronics Engineering, College of Nanoscience & Nanotechnology, Pusan National University, Busan, 46241, Republic of Korea
| | - Moon Sung Kang
- Department of Cogno-Mechatronics Engineering, College of Nanoscience & Nanotechnology, Pusan National University, Busan, 46241, Republic of Korea
| | - Chuanbin Mao
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Sha Tin, Hong Kong SAR, China.
| | - Dong-Wook Han
- Institute of Nano-Bio Convergence, Pusan National University, Busan, 46241, Republic of Korea; Department of Cogno-Mechatronics Engineering, College of Nanoscience & Nanotechnology, Pusan National University, Busan, 46241, Republic of Korea.
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Moradi A, Ghaffari Novin M, Bayat M. A Comprehensive Systematic Review of the Effects of Photobiomodulation Therapy in Different Light Wavelength Ranges (Blue, Green, Red, and Near-Infrared) on Sperm Cell Characteristics in Vitro and in Vivo. Reprod Sci 2024:10.1007/s43032-024-01657-x. [PMID: 39095677 DOI: 10.1007/s43032-024-01657-x] [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: 12/08/2023] [Accepted: 07/13/2024] [Indexed: 08/04/2024]
Abstract
Around 7% of the male population in the world are entangle with considerable situation which is known as male infertility. Photobiomodulation therapy (PBMT) is the application of low-level laser radiation, that recently used to increase or promote the various cell functions including, proliferation, differentiation, ATP production, gene expressions, regulation of reactive oxygen spices (ROS), and also boost the tissue healing and reduction of inflammation. This systematic review's main idea is a comprehensive appraisal of the literatures on subjects of PBMT consequences in four light ranges wavelength (blue, green, red, near-infrared (NIR)) on sperm cell characteristics, in vitro and in vivo. In this study, PubMed, Google Scholar, and Scopus databases were used for abstracts and full-text scientific papers published from 2003-2023 that reported the application of PBM on sperm cells. Criteria's for inclusion and exclusion to review were applied. Finally, the studies that matched with our goals were included, classified, and reported in detail. Also, searched studies were subdivided into the effects of four ranges of light irradiation, including the blue light range (400-500 nm), green light range (500-600 nm), red light range (600-780 nm), and NIR light range (780-3000 nm) of laser irradiation on human or animal sperm cells, in situations of in vitro or in vivo. Searches with our keywords results in 137 papers. After primary analysis, some articles were excluded because they were review articles or incomplete and unrelated studies. Finally, we use the 63 articles for this systematic review. Our category tables were based on the light range of irradiation, source of sperm cells (human or animal cells) and being in vitro or in vivo. Six% of publications reported the effects of blue, 10% green, 53% red and 31% NIR, light on sperm cell. In general, most of these studies showed that PBMT exerted a positive effect on the sperm cell motility. The various effects of PBMT in different wavelength ranges, as mentioned in this review, provide more insights for its potential applications in improving sperm characteristics. PBMT as a treatment method has significant effectiveness for treatment of different medical problems. Due to the lack of reporting data in this field, there is a need for future studies to assessment the biochemical and molecular effects of PBMT on sperm cells for the possible application of this treatment to the human sperm cells before the ART process.
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Affiliation(s)
- Ali Moradi
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Marefat Ghaffari Novin
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Bayat
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
- Price Institute of Surgical Research, University of Louisville, Louisville, KY, USA.
- Noveratech LLC of Louisville, Louisville, KY, USA.
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Kalampouka I, Mould RR, Botchway SW, Mackenzie AM, Nunn AV, Thomas EL, Bell JD. Selective induction of senescence in cancer cells through near-infrared light treatment via mitochondrial modulation. JOURNAL OF BIOPHOTONICS 2024; 17:e202400046. [PMID: 39155124 DOI: 10.1002/jbio.202400046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2024] [Revised: 04/29/2024] [Accepted: 05/03/2024] [Indexed: 08/20/2024]
Abstract
Photobiomodulation, utilising non-ionising light in the visible and near-infrared (NIR) spectrum, has been suggested as a potential method for enhancing tissue repair, reducing inflammation and possibly mitigating cancer-therapy-associated side effects. NIR light is suggested to be absorbed intracellularly, mainly by chromophores within the mitochondria. This study examines the impact of 734 nm NIR light on cellular senescence. Cancer (MCF7 and A549) and non-cancer (MCF10A and IMR-90) cell populations were subjected to 63 mJ/cm2 NIR-light exposure for 6 days. Senescence levels were quantified by measuring active senescence-associated beta-galactosidase. Exposure to NIR light significantly increases senescence levels in cancer (10.0%-203.2%) but not in non-cancer cells (p > 0.05). Changes in senescence were associated with significant modulation of mitochondrial homeostasis, including increased levels of reactive oxygen species (p < 0.05) and mitochondrial membrane potential (p < 0.05) post-NIR-light treatment. These results suggest that NIR light modulates cellular chemistry, arresting the proliferation of cancer cells via senescence induction while sparing non-cancer cells.
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Affiliation(s)
- I Kalampouka
- Research Centre for Optimal Health, School of Life Sciences, University of Westminster, London, UK
| | - R R Mould
- Research Centre for Optimal Health, School of Life Sciences, University of Westminster, London, UK
| | - S W Botchway
- Research Complex at Harwell & Central Laser Facility, Rutherford Appleton Laboratory, Didcot, UK
| | - A M Mackenzie
- Research Complex at Harwell & Central Laser Facility, Rutherford Appleton Laboratory, Didcot, UK
| | - A V Nunn
- Research Centre for Optimal Health, School of Life Sciences, University of Westminster, London, UK
- The Guy Foundation - The Guy Foundation Family Trust, Beaminster, UK
| | - E L Thomas
- Research Centre for Optimal Health, School of Life Sciences, University of Westminster, London, UK
| | - J D Bell
- Research Centre for Optimal Health, School of Life Sciences, University of Westminster, London, UK
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Nairuz T, Sangwoo-Cho, Lee JH. Photobiomodulation Therapy on Brain: Pioneering an Innovative Approach to Revolutionize Cognitive Dynamics. Cells 2024; 13:966. [PMID: 38891098 PMCID: PMC11171912 DOI: 10.3390/cells13110966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2024] [Revised: 05/30/2024] [Accepted: 05/30/2024] [Indexed: 06/21/2024] Open
Abstract
Photobiomodulation (PBM) therapy on the brain employs red to near-infrared (NIR) light to treat various neurological and psychological disorders. The mechanism involves the activation of cytochrome c oxidase in the mitochondrial respiratory chain, thereby enhancing ATP synthesis. Additionally, light absorption by ion channels triggers the release of calcium ions, instigating the activation of transcription factors and subsequent gene expression. This cascade of events not only augments neuronal metabolic capacity but also orchestrates anti-oxidant, anti-inflammatory, and anti-apoptotic responses, fostering neurogenesis and synaptogenesis. It shows promise for treating conditions like dementia, stroke, brain trauma, Parkinson's disease, and depression, even enhancing cognitive functions in healthy individuals and eliciting growing interest within the medical community. However, delivering sufficient light to the brain through transcranial approaches poses a significant challenge due to its limited penetration into tissue, prompting an exploration of alternative delivery methods such as intracranial and intranasal approaches. This comprehensive review aims to explore the mechanisms through which PBM exerts its effects on the brain and provide a summary of notable preclinical investigations and clinical trials conducted on various brain disorders, highlighting PBM's potential as a therapeutic modality capable of effectively impeding disease progression within the organism-a task often elusive with conventional pharmacological interventions.
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Affiliation(s)
| | | | - Jong-Ha Lee
- Department of Biomedical Engineering, Keimyung University, Daegu 42601, Republic of Korea; (T.N.); (S.-C.)
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Bontekoe IJ, van der Meer PF, de Laleijne-Liefting LAE, Klei TRL. The effect of near-infrared low-level light on the in vitro quality of platelets during storage. Vox Sang 2024. [PMID: 38754975 DOI: 10.1111/vox.13657] [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: 11/28/2023] [Revised: 05/01/2024] [Accepted: 05/02/2024] [Indexed: 05/18/2024]
Abstract
BACKGROUND AND OBJECTIVES Near-infrared (NIR) light has been successfully applied to improve the quality of mouse platelets during storage. Because it is suspected that the mitochondria contain the primary photon acceptor, we hypothesized that human platelets for transfusion may be affected similarly and could benefit from NIR light treatment. MATERIALS AND METHODS The optimal light dose was determined using portions of platelet concentrates (PCs) in PAS-E. A pool-and-split design was used to prepare PCs in PAS-E or plasma (n = 6). On day 1, one unit of both pairs was illuminated with 830 nm light (light-emitting diodes, 15 J/cm2). PCs were stored at 22°C and sampled regularly for analysis. Data were compared with their corresponding controls with a paired two-sided t-test. RESULTS Illuminated platelets in PAS-E were less activated with significantly lower CD62P expression (day 8: 10.8 ± 1.8 vs. 12.2 ± 2.6, p < 0.05) and lower Annexin A5 binding (day 8: 11.8 ± 1.9 vs. 13.1 ± 2.4, ns). They produced significantly less lactate resulting in a higher pH (days 6-10). ATP content and mitochondrial membrane potential were not affected. Although these trends were also observed for PCs in plasma, the differences did not reach statistical significance as compared with the control group. CONCLUSION Our study demonstrates that the glycolysis rate of human platelets can be modulated through the use of NIR, possibly through mitochondrial aerobic metabolism, but this requires confirmation. If NIR illumination can be further optimized, it may potentially become a useful tool in situations in which glycolysis and platelet activation are exacerbated.
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Affiliation(s)
- Ido J Bontekoe
- Department of Product and Process Development, Sanquin Blood Bank, Amsterdam, The Netherlands
| | - Pieter F van der Meer
- Department of Product and Process Development, Sanquin Blood Bank, Amsterdam, The Netherlands
- Department of Hematology, Haga Teaching Hospital, The Hague, The Netherlands
| | | | - Thomas R L Klei
- Department of Product and Process Development, Sanquin Blood Bank, Amsterdam, The Netherlands
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Lu P, Peng J, Liu J, Chen L. The role of photobiomodulation in accelerating bone repair. PROGRESS IN BIOPHYSICS AND MOLECULAR BIOLOGY 2024; 188:55-67. [PMID: 38493961 DOI: 10.1016/j.pbiomolbio.2024.03.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Revised: 03/03/2024] [Accepted: 03/08/2024] [Indexed: 03/19/2024]
Abstract
Bone repair is faced with obstacles such as slow repair rates and limited bone regeneration capacity. Delayed healing even nonunion could occur in bone defects, influencing the life quality of patients severely. Photobiomodulation (PBM) utilizes different light sources to derive beneficial therapeutic effects with the advantage of being non-invasive and painless, providing a promising strategy for accelerating bone repair. In this review, we summarize the parameters, mechanisms, and effects of PBM regulating bone repair, and further conclude the current clinical application of PBM devices in bone repair. The wavelength of 635-980 nm, the output power of 40-100 mW, and the energy density of less than 100 J/cm2 are the most commonly used parameters. New technologies, including needle systems and biocompatible and implantable optical fibers, offer references to realize an efficient and safe strategy for bone repair. Further research is required to establish the reliability of outcomes from in vivo and in vitro studies and to standardize clinical trial protocols.
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Affiliation(s)
- Ping Lu
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
| | - Jinfeng Peng
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
| | - Jie Liu
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
| | - Lili Chen
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China.
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de Melo MDGB, Azevedo LH, Ruiz LFN, Lobo MM, de Freitas PM. Photobiomodulation Therapy in the Management of Late Complications After Facial Filling. Cureus 2024; 16:e59513. [PMID: 38826871 PMCID: PMC11143946 DOI: 10.7759/cureus.59513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/01/2024] [Indexed: 06/04/2024] Open
Abstract
The aim of the present study is to report a clinical case of a patient diagnosed with a late adverse reaction to the injection of filler material - persistent and intermittent delayed swelling (PIDS) - in which photobiomodulation therapy (PBMT) with low-power laser was used for edema reduction. This is an observational, descriptive, and retrospective work of a case report. The female patient, aged 73 years old, had undergone dermal filler six years before and complained of increased volume in the face region (glabellar region, labiomental sulcus, and nasolabial folds) and was submitted to ultrasound and anatomopathological analysis. PBMT using a low-power laser (660 nm and 808 nm, simultaneous irradiation, in contact, 2 J/point, 100 mW) proved to be effective for the non-invasive approach of late adverse reaction to dermal filler, such as PIDS, a common complication related to the use of dermal fillers.
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Affiliation(s)
| | | | | | | | - Patrícia M de Freitas
- Special Laboratory of Lasers in Dentistry, Department of Operative Dentistry, School of Dentistry, Universidade de São Paulo, São Paulo, BRA
- Faculty of Dentistry, Universidade de São Paulo, São Paulo, BRA
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Alayat MS, Takaroni A, Elsodany AM, AlMatrafi NA, Subahi MS, Battecha KH. Effectiveness of photobiomodulation therapy in the treatment of patients with an ankle sprain: a systematic review and meta-analysis. Lasers Med Sci 2024; 39:116. [PMID: 38668764 DOI: 10.1007/s10103-024-04063-6] [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: 10/16/2023] [Accepted: 04/19/2024] [Indexed: 05/02/2024]
Abstract
BACKGROUND Photobiomodulation therapy (PBMT) is widely used in the treatment of patients with musculoskeletal and sports disorders with a lack of significance in patients with sprain ankle. PURPOSE This review investigated the effect of PBMT on pain, oedema, and function in patients with an ankle sprain. METHODS A systematic search of the databases (MEDLINE, PubMed, EBSCO, Web of Science, Wiley Online Library, Science Direct, Physiotherapy Evidence (PEDro), and the Cochrane Databases) was performed from inception to the end of 2023 to identify any clinical study investigating the effect of PBMT on ankle sprain. PBMT parameters and measured outcomes were extracted. The primary measured outcome was pain and function, and oedema were secondary measured outcomes. Methodological quality was assessed using the PEDro scale. The level of evidence was determined by the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) system. A random effect meta-analysis with forest plot was used to calculate standardized mean difference (SMD) at a 95% confidence interval and the overall effect size (ES). RESULTS Six studies (598 patients) were included in the review and five studies in the meta-analysis. There were two fair-quality and four good-quality studies, with a moderate level of evidence on pain, and a low level of evidence on oedema and function. The meta-analysis revealed a significant overall effect of PBMT on pain with high ES [SMD - 0.88 (-1.76, -0.00), p = 0.05], with a non-significant effect on oedema and function with a medium ES [SMD - 0.70 (-1.64, 0.24), p = 0.14] on oedema and low ES on function [SMD - 0.22 (-0.69, 0.24), p = 0.35]. Significant heterogeneity was observed in all measured outcomes with high heterogeneity (I2 > 75%) in pain and oedema and moderate heterogeneity in function. CONCLUSION PBMT is quite effective for patients with an ankle sprain. PBMT showed high effect size with a moderate level of evidence on pain intensity. The lack of significant effects of PBMT on function and edema with low level of evidence limit the confidence to the current results and recommend further large high-quality studies with higher PBMT intensity and fluency for standardisation of the irradiation parameters and treatment protocol. REGISTRATION PROSPERO registration number (CRD42021292930).
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Affiliation(s)
- Mohamed Salaheldien Alayat
- Physiotherapy and rehabilitation department, Faculty of Applied Medical science, Umm Al-Qura University, Mecca, Saudi Arabia.
| | - Abdullah Takaroni
- Physiotherapy and rehabilitation department, Faculty of Applied Medical science, Umm Al-Qura University, Mecca, Saudi Arabia
| | | | - Nahla Ahmad AlMatrafi
- Department of Rehabilitation, King Abdulaziz Medical City, Ministry of National Guard Health Affairs, Jeddah, Saudi Arabia
| | - Moayad Saleh Subahi
- Physiotherapy and rehabilitation department, Faculty of Applied Medical science, Umm Al-Qura University, Mecca, Saudi Arabia
| | - Kadrya Hosney Battecha
- Physiotherapy and rehabilitation department, Faculty of Applied Medical science, Umm Al-Qura University, Mecca, Saudi Arabia
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Anita L, Choi MJ, Yin GN, Ock J, Kwon MH, Rho BY, Chung DY, Suh JK, Ryu JK. Photobiomodulation as a Potential Therapy for Erectile Function: A Preclinical Study in a Cavernous Nerve Injury Model. World J Mens Health 2024; 42:42.e48. [PMID: 38772533 DOI: 10.5534/wjmh.230187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 11/10/2023] [Accepted: 11/19/2023] [Indexed: 05/23/2024] Open
Abstract
PURPOSE To identify the optimal photobiomodulation (PBM) parameters using molecular, histological, and erectile function analysis in cavernous nerve injury. MATERIALS AND METHODS A cavernous nerve injury was induced in 8-week-old C57BL/6J male mice that were subsequently divided randomly into age-matched control groups. Erectile function tests, penile histology, and Western blotting were performed 2 weeks after surgery and PBM treatment. RESULTS The PBM treatment was administered for five consecutive days with a light-emitted diode (LED) device that delivers 660 nm±3% RED light, and near infra-red 830 nm±2% promptly administered following nerve-crushing surgery and achieved a notable restoration of erectile function approximately 90% of the control values. Subsequent in-vitro and ex-vivo analyses revealed the regeneration of neurovascular connections in both the dorsal root ganglion and major pelvic ganglion, characterized by the sprouting of neurites. Furthermore, the expression levels of neurotrophic, survival, and angiogenic factors exhibited a substantial increase across all groups subjected to PBM treatment. CONCLUSIONS The utilization of PBM employing LED with 660 nm, 830 nm, and combination of both these wavelengths, exhibited significant efficacy to restore erectile function in a murine model of cavernous nerve injury. Thus, the PBM emerges as a potent therapeutic modality with notable advantages such as efficacy, noninvasiveness, and non-pharmacological interventions for erectile dysfunction caused by nerve injury.
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Affiliation(s)
- Limanjaya Anita
- Department of Urology and National Research Center for Sexual Medicine, Inha University College of Medicine, Incheon, Korea
| | - Min-Ji Choi
- Department of Urology and National Research Center for Sexual Medicine, Inha University College of Medicine, Incheon, Korea
| | - Guo Nan Yin
- Department of Urology and National Research Center for Sexual Medicine, Inha University College of Medicine, Incheon, Korea
| | - JiYeon Ock
- Department of Urology and National Research Center for Sexual Medicine, Inha University College of Medicine, Incheon, Korea
| | - Mi-Hye Kwon
- Department of Urology and National Research Center for Sexual Medicine, Inha University College of Medicine, Incheon, Korea
| | - Beom Yong Rho
- Department of Urology and National Research Center for Sexual Medicine, Inha University College of Medicine, Incheon, Korea
| | - Doo Yong Chung
- Department of Urology and National Research Center for Sexual Medicine, Inha University College of Medicine, Incheon, Korea
| | - Jun-Kyu Suh
- Department of Urology and National Research Center for Sexual Medicine, Inha University College of Medicine, Incheon, Korea.
| | - Ji-Kan Ryu
- Department of Urology and National Research Center for Sexual Medicine, Inha University College of Medicine, Incheon, Korea.
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da Costa Santos VB, Alvares AM, Chierotti P, Toffoli LV, Okino AM, Toginho Filho DDO, Macedo CDSG. Effects of photobiomodulation applied at different times on functional performance and ergogenic response of rugby athletes: Randomized clinical trial. J Bodyw Mov Ther 2024; 38:314-322. [PMID: 38763575 DOI: 10.1016/j.jbmt.2023.11.052] [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: 03/20/2023] [Revised: 09/25/2023] [Accepted: 11/24/2023] [Indexed: 05/21/2024]
Abstract
BACKGROUND Photobiomodulation (PBM) is indicated to accelerate the recovery of athletes and reduce muscle damage caused by physical exercise. The objective of this study was to establish the best time to apply photobiomodulation to increase the functional performance and ergogenic response of rugby athletes. METHODS Randomized crossover clinical trial with 18 rugby athletes of both sexes. The interventions were carried out from January to May 2019. The blood levels of creatine kinase (CK) and lactate, and performance in the Modified Star Excursion Balance Test, Single Hop Test, Triple Hop Test, Bangsbo Sprint test (BST), and Yo-Yo intermittent recovery level 1 (YoyoIR1) were evaluated. The athletes underwent two blocks of exercises with the BST and Yoyo-IR1, as well as the random application of four interventions: without application of photobiomodulation (CO), pre-exercise photobiomodulation (PBpre), PBM during the exercise interval (PBint), or post-exercise photobiomodulation (PBpos). The photobiomodulation using light-emitting diodes (850 nm, 8 J/cm2) lasted 10 min and was applied to the quadriceps, hamstrings, and triceps surae muscles. The results were compared between groups and times, and the effect size for the interventions was established. RESULTS No differences were found between groups in CK, lactate, and performance in the functional tests between groups and times. Only the PBpre presented improved performance in the first Yoyo-1R1 test (p < 0.01), while the PBint improved in the second Yoyo-IR1 test and BST (p < 0.05). CONCLUSION The PBM did not change muscle damage markers or performance in the functional tests. For an ergogenic response, photobiomodulation applied before exercise improves performance, which can be maintained when PBM is performed in the exercise interval.
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Affiliation(s)
| | - Amanda Maximo Alvares
- Department of Physiotherapy, Health Sciences Center, Universidade Estadual de Londrina (UEL), Londrina-PR, Brazil
| | - Priscila Chierotti
- Department of Physical Education, Physical Education and Sports Center, UEL, Londrina-PR, Brazil
| | - Leandro Vaz Toffoli
- Department of Biomedicine, Center for Biological and Health Sciences, Universidade do Norte do Paraná, Londrina-PR, Brazil
| | - Alessandra Miyuki Okino
- Department of Pathology, Clinical Analysis and Toxicology, Health Sciences Center, UEL, Londrina-PR, Brazil
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Chhabrani A, Avinash BS, Bharadwaj RS, Gupta M. Laser light: Illuminating the path to enhanced periodontal care. Photodiagnosis Photodyn Ther 2024; 46:104036. [PMID: 38438004 DOI: 10.1016/j.pdpdt.2024.104036] [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: 10/30/2023] [Revised: 02/03/2024] [Accepted: 03/01/2024] [Indexed: 03/06/2024]
Abstract
The utilisation of laser technology in the realm of periodontal care represents a significant advancement in clinical practice. This article delves into the historical context of laser therapy in medicine, from its inception in 1960 to its evolution into low-level laser therapy (LLLT). LLLT, often referred to as photobiomodulation (PBM), has garnered attention due to its potential to enhance periodontal treatment outcomes. The article thoroughly examines the mechanisms of action of photobiomodulation therapy PBM(T), covering its impact on cellular and tissue levels. The authors explore the evidence-based recommendations for the use of PBM(T) in periodontal care, shedding light on its potential to improve periodontal conditions, especially when applied as an adjunct to conventional treatments. They investigate the role of PBM(T) in individuals and its possible contribution to periodontal health. Additionally, the article delves into its application in periodontal regenerative procedures and its ability to expedite soft tissue wound healing and the effects of PBM(T) in reducing periodontal inflammation and mitigating post-periodontal surgery discomfort. In conclusion, the article calls for enhanced clinical research to streamline laser procedures, develop antimicrobial photodynamic therapy, and conduct well-designed randomised controlled trials (RCTs). It also emphasises the importance of understanding the impact of laser therapy on therapeutic and biological goals, the potential to reduce invasive procedures, and the necessity of adequate research funding.
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Affiliation(s)
- Ankita Chhabrani
- Department of Periodontology, JSS Dental College and Hospital, JSS Academy of Higher Education and Research, Room No-09, Mysuru, Karnataka 570015, India
| | - B S Avinash
- Department of Periodontology, JSS Dental College and Hospital, JSS Academy of Higher Education and Research, Room No-09, Mysuru, Karnataka 570015, India.
| | - R Sumukh Bharadwaj
- Department of Periodontology, JSS Dental College and Hospital, JSS Academy of Higher Education and Research, Room No-09, Mysuru, Karnataka 570015, India
| | - Muskan Gupta
- Department of Periodontology, JSS Dental College and Hospital, JSS Academy of Higher Education and Research, Room No-09, Mysuru, Karnataka 570015, India
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Mngwengwe L, Lugongolo MY, Ombinda-Lemboumba S, Ismail Y, Mthunzi-Kufa P. The effects of low-level laser therapy on severe acute respiratory syndrome coronavirus 2 infection in HEK293/ACE2 cells. JOURNAL OF BIOPHOTONICS 2024; 17:e202300334. [PMID: 38041552 DOI: 10.1002/jbio.202300334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 11/01/2023] [Accepted: 11/23/2023] [Indexed: 12/03/2023]
Abstract
SARS-CoV-2 is a threat to public health due to its ability to undergo crucial mutations, increasing its infectivity and decreasing the vaccine's effectiveness. There is a need to find and introduce alternative and effective methods of controlling SARS-CoV-2. LLLT treats diseases by exposing cells or tissues to low levels of red and near-infrared light. The study aims to investigate for the first time the impact of LLLT on SARS-CoV-2 infected HEK293/ACE2 cells and compare them to uninfected ones. Cells were irradiated at 640 nm, at different fluences. Subsequently, the effects of laser irradiation on the virus and cells were assessed using biological assays. Irradiated uninfected cells showed no changes in cell viability and cytotoxicity, while there were changes in irradiated infected cells. Furthermore, uninfected irradiated cells showed no luciferase activity while laser irradiation reduced luciferase activity in infected cells. Under SEM, there was a clear difference between the infected and uninfected cells.
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Affiliation(s)
- Luleka Mngwengwe
- Council of Scientific and Industrial Research, National Laser Centre, Pretoria, South Africa
- School of Chemistry and Physics, University of KwaZulu-Natal, Westville Campus, University Road Westville, Durban, South Africa
| | | | | | - Yaseera Ismail
- School of Chemistry and Physics, University of KwaZulu-Natal, Westville Campus, University Road Westville, Durban, South Africa
| | - Patience Mthunzi-Kufa
- Council of Scientific and Industrial Research, National Laser Centre, Pretoria, South Africa
- School of Chemistry and Physics, University of KwaZulu-Natal, Westville Campus, University Road Westville, Durban, South Africa
- Biomedical Engineering Research Centre, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
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13
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Wang M, Yan C, Li X, Yang T, Wu S, Liu Q, Luo Q, Zhou F. Non-invasive modulation of meningeal lymphatics ameliorates ageing and Alzheimer's disease-associated pathology and cognition in mice. Nat Commun 2024; 15:1453. [PMID: 38365740 PMCID: PMC10873306 DOI: 10.1038/s41467-024-45656-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Accepted: 01/29/2024] [Indexed: 02/18/2024] Open
Abstract
Meningeal lymphatic vessels (mLVs) have been shown to be involved in amyloid beta (Aβ) clearance, which is considered as a potential therapeutic target for Alzheimer's disease (AD). In this study, based on the superficial spatial distribution of mLVs, a near-infrared light is employed to modulate lymphatic drainage, significantly improving cognition of both aged and AD (5xFAD and APP/PS1) mice, and alleviating AD-associated pathology by reducing Aβ deposition, neuroinflammation and neuronal damage. Furthermore, transmission electron microscopy imaging and RNA sequencing data indicate amelioration of mitochondrial metabolism and cellular junction of meningeal lymphatic endothelial cells (mLECs) by light modulation. These studies collectively suggest that near-infrared light treatment can improve cognitive function by strengthening scavenging ability of mLVs through restoring mLEC function. In conclusion, lymphatic drainage potentiation by light promotes pathological remission and cognitive enhancement in aging and AD mouse models, which offers a potential amelioration strategy for neurodegenerative diseases.
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Affiliation(s)
- Miao Wang
- State Key Laboratory of Digital Medical Engineering, School of Biomedical Engineering, Hainan University, Haikou, 570100, China
| | - Congcong Yan
- State Key Laboratory of Digital Medical Engineering, School of Biomedical Engineering, Hainan University, Haikou, 570100, China
| | - Xi Li
- State Key Laboratory of Digital Medical Engineering, School of Biomedical Engineering, Hainan University, Haikou, 570100, China
| | - Tianhao Yang
- State Key Laboratory of Digital Medical Engineering, School of Biomedical Engineering, Hainan University, Haikou, 570100, China
| | - Shengnan Wu
- Key Laboratory of Brain Health Intelligent Evaluation and Intervention, Ministry of Education, School of Medical Technology, Beijing Institute of Technology, 100081, Beijing, China
| | - Qian Liu
- State Key Laboratory of Digital Medical Engineering, School of Biomedical Engineering, Hainan University, Haikou, 570100, China
| | - Qingming Luo
- State Key Laboratory of Digital Medical Engineering, School of Biomedical Engineering, Hainan University, Haikou, 570100, China.
| | - Feifan Zhou
- State Key Laboratory of Digital Medical Engineering, School of Biomedical Engineering, Hainan University, Haikou, 570100, China.
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Ribeiro M, Santos KC, Macedo MR, de Souza GA, Neto FIDA, Araujo GHM, Cavalcante DR, Costa FF, de Sá Ferreira G, Peixoto LA, de Miranda Moraes J, Vulcani VAS. Use of adipose derived stem cells accelerates the healing process in third-degree burns. Burns 2024; 50:132-145. [PMID: 37741785 DOI: 10.1016/j.burns.2023.08.018] [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: 11/14/2022] [Revised: 01/25/2023] [Accepted: 08/20/2023] [Indexed: 09/25/2023]
Abstract
INTRODUCTION Burns are defined as a traumatic injury, usually of thermal origin, that affects the epithelial and adjacent tissue and is classified according to the depth reached. Tissue repair involved in this type of injury is often a challenge both due to its severity and the multiplicity of complications. Regenerative medicine has focused on the use of low-level laser photobiomodulation therapy (LLLT) and adipose-derived stem cells (ADSC), especially in the early stages of the process, to promote better healing and shorten repair time. Therefore, aim of this study was to evaluate the action of LLLT (660 nm) and ADSC in the repair process of burned skin tissue and investigate the association of the techniques (LLLT and ADSC). MATERIALS AND METHODS An in vivo study was carried out using 96 rats (Wister) with a scald burn model at a temperature of 95ºC, exposing the animal's back for 14 s. Animals were randomized into seven groups and three periods, five, 14 and 21 days. The groups included GC: Control group, ADSC-: Group treated with CD49d negative cells, ADSC+ : Group treated with positive CD49d cells, CULT: Group treated with conventional isolation cells, LLLT: Group treated only with LLLT Low Power Laser, ADSC-LLLT: Group treated with CD49d negative cells and LLLT. ADSC+LLLT: Group treated with positive CD49d cells and LLLT. The groups treated with LLLT (660 nm; 5 J/cm2) received irradiation three times a week, on alternate days for five, 14 and 21 days, according to the time of biopsy. ADSC-treated groups received one to three applications of the cells in a total volume of 1000 μL starting soon after the surgical debridement of the burn. Photographic monitoring was carried out at 5, 14 and 21 days after the beginning of the experiment to assess the degree of lesion contraction. Macroscopic, morphometric and histopathological analyzes were performed. RESULTS We showed significant re-epithelialization as well as an improvement in the healing process in the ADSC+, LLLT and ADSC+LLLT groups. We observed effects in the reduction of the inflammatory phase, increase in angiogenesis, decrease in oedema, greater collagen deposition, and better organization of the extracellular matrix compared to the other treatments. Moreover, the immunomagnetic separation of ADSC cells through the expression of the CD49d protein proved to be a useful means to obtain a more homogeneous population of cells with a role in tissue regeneration compared to the ADSC- and CULT groups. CONCLUSION In conclusion, the association of ADSC+ with LLLT was effective in accelerating the burn repair process, stimulating cell proliferation and formation of more normal skin tissue.
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Affiliation(s)
- Maisa Ribeiro
- Medicine Course, University Center of Mineiros, Mineiros, Goiás, Brazil; School of Veterinary and Zootechnics, Federal University of Goiás, Goiânia, Goiás, Brazil.
| | | | - Mathias Rezende Macedo
- Medicine Course, Health Sciences Academic Unit, Federal University of Jataí, Jataí, Goiás, Brazil
| | | | | | | | | | - Flavia Ferreira Costa
- Medicine Course, Health Sciences Academic Unit, Federal University of Jataí, Jataí, Goiás, Brazil
| | - Gabriel de Sá Ferreira
- Medicine Course, Health Sciences Academic Unit, Federal University of Jataí, Jataí, Goiás, Brazil
| | - Larissa Alves Peixoto
- Medicine Course, Health Sciences Academic Unit, Federal University of Jataí, Jataí, Goiás, Brazil
| | - Júlia de Miranda Moraes
- Medicine Course, Health Sciences Academic Unit, Federal University of Jataí, Jataí, Goiás, Brazil
| | - Valcinir Aloísio Scalla Vulcani
- School of Veterinary and Zootechnics, Federal University of Goiás, Goiânia, Goiás, Brazil; Veterinary Medicine Course, Agricultural Sciences Academic Unit, Federal University of Jataí, Jataí, Goiás, Brazil
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15
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Gonçalves A, Monteiro F, Oliveira S, Costa I, Catarino SO, Carvalho Ó, Padrão J, Zille A, Pinho T, Silva FS. Optimization of a Photobiomodulation Protocol to Improve the Cell Viability, Proliferation and Protein Expression in Osteoblasts and Periodontal Ligament Fibroblasts for Accelerated Orthodontic Treatment. Biomedicines 2024; 12:180. [PMID: 38255285 PMCID: PMC10813108 DOI: 10.3390/biomedicines12010180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Revised: 01/08/2024] [Accepted: 01/12/2024] [Indexed: 01/24/2024] Open
Abstract
Numerous pieces of evidence have supported the therapeutic potential of photobiomodulation (PBM) to modulate bone remodeling on mechanically stimulated teeth, proving PBM's ability to be used as a coadjuvant treatment to accelerate orthodontic tooth movement (OTM). However, there are still uncertainty and discourse around the optimal PBM protocols, which hampers its optimal and consolidated clinical applicability. Given the differential expression and metabolic patterns exhibited in the tension and compression sides of orthodontically stressed teeth, it is plausible that different types of irradiation may be applied to each side of the teeth. In this sense, this study aimed to design and implement an optimization protocol to find the most appropriate PBM parameters to stimulate specific bone turnover processes. To this end, three levels of wavelength (655, 810 and 940 nm), two power densities (5 and 10 mW/cm2) and two regimens of single and multiple sessions within three consecutive days were tested. The biological response of osteoblasts and periodontal ligament (PDL) fibroblasts was addressed by monitoring the PBM's impact on the cellular metabolic activity, as well as on key bone remodeling mediators, including alkaline phosphatase (ALP), osteoprotegerin (OPG) and receptor activator of nuclear factor κ-B ligand (RANK-L), each day. The results suggest that daily irradiation of 655 nm delivered at 10 mW/cm2, as well as 810 and 940 nm light at 5 mW/cm2, lead to an increase in ALP and OPG, potentiating bone formation. In addition, irradiation of 810 nm at 5 mW/cm2 delivered for two consecutive days and suspended by the third day promotes a downregulation of OPG expression and a slight non-significant increase in RANK-L expression, being suitable to stimulate bone resorption. Future studies in animal models may clarify the impact of PBM on bone formation and resorption mediators for longer periods and address the possibility of testing different stimulation periodicities. The present in vitro study offers valuable insights into the effectiveness of specific PBM protocols to promote osteogenic and osteoclastogenesis responses and therefore its potential to stimulate bone formation on the tension side and bone resorption on the compression side of orthodontically stressed teeth.
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Affiliation(s)
- Aline Gonçalves
- UNIPRO—Oral Pathology and Rehabilitation Research Unit, University Institute of Health Sciences (IUCS), CESPU, 4585-116 Gandra, Portugal; (A.G.); (I.C.); (T.P.)
- Center for MicroElectroMechanical Systems (CMEMS), University of Minho, Campus Azurém, 4800-058 Guimarães, Portugal; (S.O.); (S.O.C.); (Ó.C.); (F.S.S.)
| | - Francisca Monteiro
- Center for MicroElectroMechanical Systems (CMEMS), University of Minho, Campus Azurém, 4800-058 Guimarães, Portugal; (S.O.); (S.O.C.); (Ó.C.); (F.S.S.)
- ICVS/3B’s-PT Government Associate Laboratory, 4710-057 Braga, Portugal
| | - Sofia Oliveira
- Center for MicroElectroMechanical Systems (CMEMS), University of Minho, Campus Azurém, 4800-058 Guimarães, Portugal; (S.O.); (S.O.C.); (Ó.C.); (F.S.S.)
| | - Inês Costa
- UNIPRO—Oral Pathology and Rehabilitation Research Unit, University Institute of Health Sciences (IUCS), CESPU, 4585-116 Gandra, Portugal; (A.G.); (I.C.); (T.P.)
| | - Susana O. Catarino
- Center for MicroElectroMechanical Systems (CMEMS), University of Minho, Campus Azurém, 4800-058 Guimarães, Portugal; (S.O.); (S.O.C.); (Ó.C.); (F.S.S.)
- LABBELS—Associate Laboratory, 4710-057 Braga, Portugal
| | - Óscar Carvalho
- Center for MicroElectroMechanical Systems (CMEMS), University of Minho, Campus Azurém, 4800-058 Guimarães, Portugal; (S.O.); (S.O.C.); (Ó.C.); (F.S.S.)
- LABBELS—Associate Laboratory, 4710-057 Braga, Portugal
| | - Jorge Padrão
- Centre for Textile Science and Technology (2C2T), Department of Textile Engineering, University of Minho, Azurém Campus, 4800-058 Guimarães, Portugal; (J.P.); (A.Z.)
| | - Andrea Zille
- Centre for Textile Science and Technology (2C2T), Department of Textile Engineering, University of Minho, Azurém Campus, 4800-058 Guimarães, Portugal; (J.P.); (A.Z.)
| | - Teresa Pinho
- UNIPRO—Oral Pathology and Rehabilitation Research Unit, University Institute of Health Sciences (IUCS), CESPU, 4585-116 Gandra, Portugal; (A.G.); (I.C.); (T.P.)
- IBMC—Instituto Biologia Molecular e Celular, i3S—Instituto de Inovação e Investigação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal
| | - Filipe S. Silva
- Center for MicroElectroMechanical Systems (CMEMS), University of Minho, Campus Azurém, 4800-058 Guimarães, Portugal; (S.O.); (S.O.C.); (Ó.C.); (F.S.S.)
- LABBELS—Associate Laboratory, 4710-057 Braga, Portugal
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16
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Malekpour F, Bahrami R, Hodjat M, Hakimiha N, Bolhari B, Sooratgar A, Niavarzi S. Effect of photobiomodulation therapy on TGF-β release from dentin, migration and viability of dental pulp stem cells in regenerative endodontics treatment: An ex vivo study. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2024; 250:112817. [PMID: 38029663 DOI: 10.1016/j.jphotobiol.2023.112817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 11/06/2023] [Accepted: 11/21/2023] [Indexed: 12/01/2023]
Abstract
BACKGROUND AND AIM Regenerative endodontic procedures (REPs) are oriented by the principles of tissue engineering, incorporating dental pulp stem cells (DPSC), crucial growth factors like Transforming growth factor-β (TGF-β1), and scaffolds to facilitate the regeneration of dental pulp tissues. The present study aimed to investigate the effect of photobiomodulation (PBM) therapy, using an 808 nm diode laser on cellular modulation mechanisms in REPs. METHOD AND MATERIAL A total of 108 human dentin discs obtained from intact single root teeth were randomly assigned into six groups (n = 8): 1. Positive control (EDTA), 2. PBM-1 (3 J/cm2), 3. PBM-2 (5 J/cm2), 4. EDTA+PBM-1, 5. EDTA+PBM-2, and 6. Negative control (NaOCl). Then, an extract solution was prepared from each disc and the concentration of released TGF-β1 from the discs was measured using enzyme-linked immunosorbent assay (ELISA). Moreover, the extract solution was added to DPSC culture medium to evaluate cell viability and migration through MTT assay and scratch test, respectively. RESULT The group exposed to PBM-1 showed the highest cell viability, while treatment with EDTA and EDTA+PBM-2 decreased cellular viability. Also, the PBM-treated groups showed significantly higher release of TGF-β1 compared to the negative control. EDTA and EDTA+PBM-1 showed the highest release among all the groups. No significant difference was found between EDTA and EDTA+PBM-1, as well as between PBM-1 and PBM-2. Moreover, the PBM-1 group exhibited the highest migration after 24 h, which was significantly greater than other groups, except for the PBM-2 group. CONCLUSION According to the obtained data, 808 nm mediated-PBM (3 J/cm2), both independently and in conjunction with EDTA, enhanced the release of TGF-β1 from dentin and improved cell viability and migration of DPSCs. It seems that, PBM under the specific parameters employed in this study, could be an effective adjunctive therapy in REPs.
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Affiliation(s)
- Fatemeh Malekpour
- Department of Endodontics, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
| | - Rashin Bahrami
- Department of Orthodontics, School of Dentistry, Guilan University of Medical Sciences, Rasht, Iran
| | - Mahshid Hodjat
- Dental Research Centre, Dentistry Research Institute, Tehran University of Medical Science, Tehran, Iran
| | - Neda Hakimiha
- Laser Application in Medical Sciences Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Behnam Bolhari
- Department of Endodontics, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran.
| | - Aidin Sooratgar
- Department of Endodontics, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
| | - Soheil Niavarzi
- Department of Endodontics, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
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17
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Pye C, Clark N, Bruniges N, Peffers M, Comerford E. Current evidence for non-pharmaceutical, non-surgical treatments of canine osteoarthritis. J Small Anim Pract 2024; 65:3-23. [PMID: 37776028 DOI: 10.1111/jsap.13670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Accepted: 08/08/2023] [Indexed: 10/01/2023]
Abstract
Osteoarthritis is a progressive degenerative disease process that affects a significant proportion of the canine population, impacting these animals' quality of life. Currently, there is no cure and treatment consists of managing the clinical signs of pain and reduced mobility. There are many treatments for canine osteoarthritis and in this review we discuss the evidence base behind non-pharmaceutical, non-surgical treatments of this disease. These treatments include weight management, nutraceuticals, acupuncture, physiotherapies such as therapeutic exercise, hydrotherapy as well as other therapeutic modalities including photobiomodulation therapy, electromagnetic field therapy and others.
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Affiliation(s)
- C Pye
- Institute of Life Course and Medical Sciences, Faculty of Health and Life Sciences, University of Liverpool, William Henry Duncan Building, 6 West Derby Street, Liverpool, L7 8TX
| | - N Clark
- Institute of Life Course and Medical Sciences, Faculty of Health and Life Sciences, University of Liverpool, William Henry Duncan Building, 6 West Derby Street, Liverpool, L7 8TX
| | - N Bruniges
- University of Liverpool Small Animal Teaching Hospital, University of Liverpool, Leahurst Campus, Chester High Road, Neston, CH64 7TE
| | - M Peffers
- Institute of Life Course and Medical Sciences, Faculty of Health and Life Sciences, University of Liverpool, William Henry Duncan Building, 6 West Derby Street, Liverpool, L7 8TX
| | - E Comerford
- Institute of Life Course and Medical Sciences, Faculty of Health and Life Sciences, University of Liverpool, William Henry Duncan Building, 6 West Derby Street, Liverpool, L7 8TX
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Zheng H, Wang C, Wu S, Pei Q, Yao M. Photobiomodulation therapy at 632 nm wavelength ameliorates intrauterine adhesion via activation of cAMP/PKA/CREB pathway. Photochem Photobiol 2024; 100:214-224. [PMID: 37212452 DOI: 10.1111/php.13813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 05/03/2023] [Accepted: 05/04/2023] [Indexed: 05/23/2023]
Abstract
Intrauterine adhesion (IUA), a major cause of uterine infertility, is pathologically characterized by endometrial fibrosis. Current treatments for IUA have poor efficacy with high recurrence rate, and restoring uterine functions is difficult. We aimed to determine the therapeutic efficacy of photobiomodulation (PBM) therapy on IUA and elucidate its underlying mechanisms. A rat IUA model was established via mechanical injury, and PBM was applied intrauterinely. The uterine structure and function were evaluated using ultrasonography, histology, and fertility tests. PBM therapy induced a thicker, more intact, and less fibrotic endometrium. PBM also partly recovered endometrial receptivity and fertility in IUA rats. A cellular fibrosis model was then established with human endometrial stromal cells (ESCs) cultured in the presence of TGF-β1. PBM alleviated TGF-β1-induced fibrosis and triggered cAMP/PKA/CREB signaling in ESCs. Pretreatment with the inhibitors targeting this pathway weakened PBM's protective efficacy in the IUA rats and ESCs. Therefore, we conclude that PBM improved endometrial fibrosis and fertility via activating cAMP/PKA/CREB signaling in IUA uterus. This study sheds more lights on the efficacy of PBM as a potential treatment for IUA.
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Affiliation(s)
- Hongjie Zheng
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Caixia Wang
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, China
- Shanghai Institute of Laser Technology, Shanghai, China
| | - Shan Wu
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Qing Pei
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Min Yao
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, China
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Wunderlich S, Griffiths T, Baines F. UVB-emitting LEDs for reptile lighting: Identifying the risks of nonsolar UV spectra. Zoo Biol 2024; 43:61-74. [PMID: 37870081 DOI: 10.1002/zoo.21806] [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: 01/03/2023] [Revised: 09/06/2023] [Accepted: 10/06/2023] [Indexed: 10/24/2023]
Abstract
UVB lamps are used to provide reptiles housed indoors with the UV radiation necessary to synthesize vitamin D3 in their skin. Since 2019, UVB-LED lamps have been on sale for use in reptile husbandry. We performed spectral analysis and mapped the UV irradiance for 18 of these lamps. The positive benefits of UVB-LED lamps over traditional products include greater energy efficiency, freedom from mercury and easy installation without external ballasts. However, the spectra of all the UVB-LED lamps tested had little similarity to the solar UV spectrum. Some lamps emitted short-wavelength, non-terrestrial, radiation known to cause acute photo-kerato-conjunctivitis; we report one case. All lamps were lacking significant output in the range 315-335 nm, essential for natural self-regulation of cutaneous vitamin D3 synthesis, preventing overproduction. We describe a possible risk of serious hypervitaminosis D based on our spectral analysis. We call for long-term animal studies to assess this risk, in which the reptiles under these lamps are exposed to species-appropriate UV index levels according to their Ferguson Zone allocation and serum levels of vitamin D3 and 25(OH)D3 monitored. Spectral modifications of the lamps to make the spectrum more like sunlight may be an essential way of mitigating this risk.
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20
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Xu H, Luo Z, Zhang R, Golovynska I, Huang Y, Samanta S, Zhou T, Li S, Guo B, Liu L, Weng X, He J, Liao C, Wang Y, Ohulchanskyy TY, Qu J. Exploring the effect of photobiomodulation and gamma visual stimulation induced by 808 nm and visible LED in Alzheimer's disease mouse model. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2024; 250:112816. [PMID: 38029664 DOI: 10.1016/j.jphotobiol.2023.112816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2023] [Revised: 11/08/2023] [Accepted: 11/20/2023] [Indexed: 12/01/2023]
Abstract
Although photobiomodulation (PBM) and gamma visual stimulatqion (GVS) have been overwhelmingly explored in the recent time as a possible light stimulation (LS) means of Alzheimer's disease (AD) therapy, their effects have not been assessed at once. In our research, the AD mouse model was stimulated using light with various parameters [continuous wave (PBM) or 40 Hz pulsed visible LED (GVS) or 40 Hz pulsed 808 nm LED (PBM and GVS treatment)]]. The brain slices collected from the LS treated AD model mice were evaluated using (i) fluorescence microscopy to image thioflavine-S labeled amy-loid-β (Aβ) plaques (the main hallmark of AD), or (ii) two-photon excited fluorescence (TPEF) imaging of unlabeled Aβ plaques, showing that the amount of Aβ plaques was reduced after LS treatment. The imaging results correlated well with the results of Morris water maze (MWM) test, which demonstrated that the spatial learning and memory abilities of LS treated mice were noticeably higher than those of untreated mice. The LS effect was also assessed by in vivo nonlinear optical imaging, revealing that the cerebral amyloid angiopathy decreased spe-cifically as a result of 40 Hz pulsed 808 nm irradiation, on the contrary, the angiopathy reversed after visible 40 Hz pulsed light treatment. The obtained results provide useful reference for further optimization of the LS (PBM or GVS) parameters to achieve efficient phototherapy of AD.
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Affiliation(s)
- Hao Xu
- Key Laboratory of Optoelectronics Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, Guangdong Province, P.R. China
| | - Ziyi Luo
- Key Laboratory of Optoelectronics Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, Guangdong Province, P.R. China
| | - Renlong Zhang
- Key Laboratory of Optoelectronics Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, Guangdong Province, P.R. China
| | - Iuliia Golovynska
- Key Laboratory of Optoelectronics Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, Guangdong Province, P.R. China
| | - Yanxia Huang
- Key Laboratory of Optoelectronics Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, Guangdong Province, P.R. China
| | - Soham Samanta
- Key Laboratory of Optoelectronics Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, Guangdong Province, P.R. China
| | - Ting Zhou
- Key Laboratory of Optoelectronics Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, Guangdong Province, P.R. China
| | - Shaowei Li
- Key Laboratory of Optoelectronics Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, Guangdong Province, P.R. China
| | - Bingang Guo
- HOLOKOOK Co. LtD, Shenzhen 518060, Guangdong Province, P.R. China
| | - Liwei Liu
- Key Laboratory of Optoelectronics Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, Guangdong Province, P.R. China
| | - Xiaoyu Weng
- Key Laboratory of Optoelectronics Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, Guangdong Province, P.R. China
| | - Jun He
- Key Laboratory of Optoelectronics Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, Guangdong Province, P.R. China
| | - Changrui Liao
- Key Laboratory of Optoelectronics Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, Guangdong Province, P.R. China
| | - Yiping Wang
- Key Laboratory of Optoelectronics Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, Guangdong Province, P.R. China
| | - Tymish Y Ohulchanskyy
- Key Laboratory of Optoelectronics Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, Guangdong Province, P.R. China.
| | - Junle Qu
- Key Laboratory of Optoelectronics Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, Guangdong Province, P.R. China; Engineering Research Center of Optical Instrument and System, Ministry of Education, Shanghai Key Lab of Modern Optical System, School of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, P.R. China.
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21
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Dos Santos AF, Prado FCR, de Paula Novaes C, de Magalhães AC, Deboni MCZ, Corrêa L. Simultaneous irradiation of 660 and 808 nm on gingival epithelial cells and fibroblasts induces different patterns of oxidative/antioxidative activities: What is the role of the cell type and irradiation parameters? Photochem Photobiol 2023. [PMID: 38013401 DOI: 10.1111/php.13886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 10/17/2023] [Accepted: 11/04/2023] [Indexed: 11/29/2023]
Abstract
The aim of this study was to investigate whether simultaneous irradiation at 660 and 808 nm generates different patterns of oxidative/antioxidative activities compared to consecutive irradiation. Primary cultures of gingival keratinocytes and fibroblasts were exposed to a diose laser (660 ± 2 nm and 808 ± 2 nm, 100 mW, 0.09 cm2 spot area) using double irradiation with the two wavelengths (consecutive or simultaneous) for 6, 10, and 20 s. The two irradiation regimens did not increase cell viability in any of the experimental conditions. Lipid peroxidation was increased after consecutive irradiation in epithelial cells, which was not detected after simultaneous irradiation. After 20s of the simultaneous mode, ROS levels increased, but antioxidative balance decreased. In the fibroblasts, the two double irradiations induced ROS reduction, increase in lipid peroxidation, and improvement of antioxidative balance, mainly after the 20 s irradiation time. In conclusion, simultaneous and consecutive irradiation induced distinct oxidative stress modulation in oral epithelial cells and fibroblasts. The imbalance in the oxidative system observed after longer exposures, allied with the absence of a significant increase in the viability of the two cell types, suggests a contraindication for longer simultaneous irradiation in clinical situations that demand cellular stimulation.
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Affiliation(s)
| | - Flávia Cristina Rosin Prado
- Pathology Department, School of Dentistry, University of São Paulo, São Paulo, Brazil
- Advanced Research Center in Medicine, School of Medicine, Union of the College of the Great Lakes (UNILAGO), São José do Rio Preto, Brazil
| | | | - Ana Carolina de Magalhães
- Insper Learning Institution, São Paulo, Brazil
- Tergos Research and Education, Bright Photomedicine S.A., São Paulo, Brazil
| | | | - Luciana Corrêa
- Pathology Department, School of Dentistry, University of São Paulo, São Paulo, Brazil
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22
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Zhang Y, Ji Q. Current advances of photobiomodulation therapy in treating knee osteoarthritis. Front Cell Dev Biol 2023; 11:1286025. [PMID: 38033853 PMCID: PMC10687633 DOI: 10.3389/fcell.2023.1286025] [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: 08/30/2023] [Accepted: 11/07/2023] [Indexed: 12/02/2023] Open
Abstract
Knee osteoarthritis (KOA) is manifested by low-grade joint inflammation, irreversible cartilage degeneration, subchondral bone remodeling and osteophyte formation. It is one of the most prevalent degenerative diseases in the elderly. KOA usually results in chronic joint pain, physical impairment even disability bringing a huge socioeconomic burden. Unfortunately, there is so far no effective interventions to delay the progression and development of KOA. There is a pressing need for explorations and developments of new effective interventions. Photobiomodulation therapy (PBMT), also known as low-level light therapy (LLLT), has attracted widespread attention in treating KOA because it is drug-free, non-invasive, safe and useful with rarely reported side effects. It provides the biological stimulatory effects primarily by enhancing the activity of mitochondrial cytochrome c oxidase. This stimulation, in turn, fosters cell proliferation and tissue regeneration. In addition to this, the paper provides a concise overview of the light parameters and the effectiveness of PBMT when applied in the treatment of KOA patients in clinical settings. It also delves into the experimental evidence supporting the modulatory effects of PBMT and its potential underlying mechanisms in addressing synovitis, cartilage degeneration, and pain resolution.
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Affiliation(s)
| | - Quanbo Ji
- Department of Orthopedics, The General Hospital of Chinese PLA, Beijing, China
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23
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da Silva HNM, Mizobuti DS, Pereira VA, da Rocha GL, da Cruz MV, de Oliveira AG, Silveira LR, Minatel E. LED therapy plus idebenone treatment targeting calcium and mitochondrial signaling pathways in dystrophic muscle cells. Cell Stress Chaperones 2023; 28:773-785. [PMID: 37578579 PMCID: PMC10746663 DOI: 10.1007/s12192-023-01369-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 07/20/2023] [Accepted: 08/07/2023] [Indexed: 08/15/2023] Open
Abstract
Intracellular calcium dysregulation, oxidative stress, and mitochondrial dysfunction are some of the main pathway contributors towards disease progression in Duchenne muscular dystrophy (DMD). This study is aimed at investigating the effects of light emitting diode therapy (LEDT) and idebenone antioxidant treatment, applied alone or together in dystrophic primary muscle cells from mdx mice, the experimental model of DMD. Mdx primary muscle cells were submitted to LEDT and idebenone treatment and evaluated for cytotoxic effects and calcium and mitochondrial signaling pathways. LEDT and idebenone treatment showed no cytotoxic effects on the dystrophic muscle cells. Regarding the calcium pathways, after LEDT and idebenone treatment, a significant reduction in intracellular calcium content, calpain-1, calsequestrin, and sarcolipin levels, was observed. In addition, a significant reduction in oxidative stress level markers, such as H2O2, and 4-HNE levels, was observed. Regarding mitochondrial signaling pathways, a significant increase in oxidative capacity (by OCR and OXPHOS levels) was observed. In addition, the PGC-1α, SIRT-1, and PPARδ levels were significantly higher in the LEDT plus idebenone treated-dystrophic muscle cells. Together, the findings suggest that LEDT and idebenone treatment, alone or in conjunction, can modulate the calcium and mitochondrial signaling pathways, such as SLN, SERCA 1, and PGC-1α, contributing towards the improvement of the dystrophic phenotype in mdx muscle cells. In addition, data from the LEDT plus idebenone treatment showed slightly better results than those of each separate treatment in terms of SLN, OXPHOS, and SIRT-1.
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Affiliation(s)
| | - Daniela Sayuri Mizobuti
- Department of Structural and Functional Biology, Institute of Biology, University of Campinas, Campinas, Brazil
| | - Valéria Andrade Pereira
- Department of Structural and Functional Biology, Institute of Biology, University of Campinas, Campinas, Brazil
| | - Guilherme Luiz da Rocha
- Department of Structural and Functional Biology, Institute of Biology, University of Campinas, Campinas, Brazil
| | - Marcos Vinícius da Cruz
- Department of Structural and Functional Biology, Institute of Biology, University of Campinas, Campinas, Brazil
- Obesity and Comorbidities Research Center (OCRC), Campinas, Brazil
| | - André Gustavo de Oliveira
- Department of Structural and Functional Biology, Institute of Biology, University of Campinas, Campinas, Brazil
- Obesity and Comorbidities Research Center (OCRC), Campinas, Brazil
| | - Leonardo Reis Silveira
- Department of Structural and Functional Biology, Institute of Biology, University of Campinas, Campinas, Brazil
- Obesity and Comorbidities Research Center (OCRC), Campinas, Brazil
| | - Elaine Minatel
- Department of Structural and Functional Biology, Institute of Biology, University of Campinas, Campinas, Brazil.
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24
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Zhang J, Zhang X, Han K, Wang X, Guo Z, Deng Q, Li J, Lv S, Yu W. Effects of low level laser on periodontal tissue remodeling in hPDLCs under tensile stress. Lasers Med Sci 2023; 38:232. [PMID: 37819407 PMCID: PMC10567958 DOI: 10.1007/s10103-023-03885-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Accepted: 09/13/2023] [Indexed: 10/13/2023]
Abstract
This study aimed to investigate the effect of Low-Level Laser Therapy (LLLT) on human Periodontal Ligament Cells (hPDLCs) under tension stress. Primary hPDLCs were obtained using the tissue culture method, and P3 cells were utilized for the subsequent experiments. The study comprised four groups: a blank control group (Group B), a laser irradiation group (Group L), a tension stress group (Group T), and a laser + tension stress group (Group LT). Mechanical loading was applied using an in-vitro cell stress loading device at a frequency of 0.5 Hz and deformation of 2% for two hours per day for two days. Laser irradiation at 808 nm GaAlAs laser was administered 1 h after force loading. Cell samples were collected after the experiment. Bone and fiber remodeling factors were analyzed using PCR and Western blot. Flow cytometry was employed to assess the cell cycle, while ROS and Ca2+ levels were measured using a multifunctional enzyme labeling instrument. The results revealed that laser intervention under tension stress inhibited the expression of osteogenic differentiation factors, promoted the expression of osteoclast differentiation factors, and significantly increased the production of collagen factors, MMPs, and TIMPs. The LT group exhibited the most active cell cycle (P < 0.05). LLLT not only enhanced Ca2+ expression in hPDLCs under tension stress, but also stimulated the production of ROS. Overall, our findings demonstrate that LLLT effectively accelerated the proliferation of hPDLCs and the remodeling of periodontal tissue, possibly through the regulation of ROS and Ca2+ levels in hPDLCs.
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Affiliation(s)
- Jiaxi Zhang
- Department of Orthodontics, Tianjin Stomatological Hospital, School of Medicine, Nankai University, Tianjin, 300041, China
- Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction, Tianjin, 300041, China
| | - Xizhong Zhang
- Department of Orthodontics, Tianjin Stomatological Hospital, School of Medicine, Nankai University, Tianjin, 300041, China
- Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction, Tianjin, 300041, China
| | - Kaifang Han
- Department of Stomatology, Tianjin Beichen Hospital, Tianjin, 300400, China
| | - Xuan Wang
- Department of Orthodontics, Tianjin Stomatological Hospital, School of Medicine, Nankai University, Tianjin, 300041, China
- Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction, Tianjin, 300041, China
| | - Ziyuan Guo
- Department of Orthodontics, Tianjin Stomatological Hospital, School of Medicine, Nankai University, Tianjin, 300041, China
- Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction, Tianjin, 300041, China
| | - Qi Deng
- Department of Orthodontics, Tianjin Stomatological Hospital, School of Medicine, Nankai University, Tianjin, 300041, China
- Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction, Tianjin, 300041, China
| | - Jiahui Li
- Department of Orthodontics, Tianjin Stomatological Hospital, School of Medicine, Nankai University, Tianjin, 300041, China
- Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction, Tianjin, 300041, China
| | - Shuxin Lv
- Department of Orthodontics, Tianjin Stomatological Hospital, School of Medicine, Nankai University, Tianjin, 300041, China
- Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction, Tianjin, 300041, China
| | - Wenwen Yu
- Department of Orthodontics, Tianjin Stomatological Hospital, School of Medicine, Nankai University, Tianjin, 300041, China.
- Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction, Tianjin, 300041, China.
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25
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Sharif NA. Electrical, Electromagnetic, Ultrasound Wave Therapies, and Electronic Implants for Neuronal Rejuvenation, Neuroprotection, Axonal Regeneration, and IOP Reduction. J Ocul Pharmacol Ther 2023; 39:477-498. [PMID: 36126293 DOI: 10.1089/jop.2022.0046] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The peripheral nervous system (PNS) of mammals and nervous systems of lower organisms possess significant regenerative potential. In contrast, although neural plasticity can provide some compensation, the central nervous system (CNS) neurons and nerves of adult mammals generally fail to regenerate after an injury or damage. However, use of diverse electrical, electromagnetic and sonographic energy waves are illuminating novel ways to stimulate neuronal differentiation, proliferation, neurite growth, and axonal elongation/regeneration leading to various levels of functional recovery in animals and humans afflicted with disorders of the CNS, PNS, retina, and optic nerve. Tools such as acupuncture, electroacupuncture, electroshock therapy, electrical stimulation, transcranial magnetic stimulation, red light therapy, and low-intensity pulsed ultrasound therapy are demonstrating efficacy in treating many different maladies. These include wound healing, partial recovery from motor dysfunctions, recovery from ischemic/reperfusion insults and CNS and ocular remyelination, retinal ganglion cell (RGC) rejuvenation, and RGC axonal regeneration. Neural rejuvenation and axonal growth/regeneration processes involve activation or intensifying of the intrinsic bioelectric waves (action potentials) that exist in every neuronal circuit of the body. In addition, reparative factors released at the nerve terminals and via neuronal dendrites (transmitter substances), extracellular vesicles containing microRNAs and neurotrophins, and intercellular communication occurring via nanotubes aid in reestablishing lost or damaged connections between the traumatized tissues and the PNS and CNS. Many other beneficial effects of the aforementioned treatment paradigms are mediated via gene expression alterations such as downregulation of inflammatory and death-signal genes and upregulation of neuroprotective and cytoprotective genes. These varied techniques and technologies will be described and discussed covering cell-based and animal model-based studies. Data from clinical applications and linkage to human ocular diseases will also be discussed where relevant translational research has been reported.
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Affiliation(s)
- Najam A Sharif
- Global Alliances and External Research, Ophthalmology Innovation Center, Santen Inc., Emeryville, California, USA
- Singapore Eye Research Institute (SERI), Singapore
- SingHealth Duke-NUS Ophthalmology and Visual Sciences Academic Clinical Programme, Duke-National University of Singapore Medical School, Singapore
- Department of Surgery and Cancer, Imperial College of Science and Technology, London, United Kingdom
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, Texas Southern University, Houston, Texas, USA
- Department of Pharmacology and Neuroscience, University of North Texas Health Sciences Center, Fort Worth, Texas, USA
- Department of Pharmacy Sciences, Creighton University, Omaha, Nebraska, USA
- Insitute of Ophthalmology, University College London (UCL), London, United Kingdom
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26
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Yang L, Liu G, Jiang D, Lin G, Ren Z, Fan H, Yang B, Mu L, Lue TF, He D. Effect of near-infrared laser treatment on improving erectile function in rats with diabetes mellitus. Andrology 2023; 11:1472-1483. [PMID: 36869699 DOI: 10.1111/andr.13422] [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: 11/10/2022] [Revised: 02/20/2023] [Accepted: 02/24/2023] [Indexed: 03/05/2023]
Abstract
BACKGROUND Diabetes mellitus-induced erectile dysfunction is difficult to treat. The oxidative stress created by diabetes mellitus is a major cause of injuries to the corpus cavernosum, thereby resulting in erectile dysfunction. Near-infrared laser has already been shown to be effective in treating multiple brain disorders because of its antioxidative stress effect. OBJECTIVES To investigate whether a near-infrared laser improves the erectile function of diabetes mellitus-induced erectile dysfunction rats through its antioxidative stress effect. MATERIALS AND METHODS Knowing its advantage of reasonable deep tissue penetration and good photoactivation on mitochondria, a near-infrared laser with wavelength of 808 nm was used in the experiment. Since the internal and external corpus cavernosum were covered by different tissue layers, the laser penetration rates of the internal and external corpus cavernosum were measured separately. Different radiant exposure settings were applied: in the initial experiment, 40 male Sprague-Dawley rats were randomly assigned to five groups, normal controls, and streptozotocin-induced diabetes mellitus rats that 10 weeks later received various radiant exposures (J/cm2 ) from the near-infrared laser (DM0J(DM+NIR 0 J/cm2 ), DM1J, DM2J, and DM4J) in the subsequent 2 weeks. Erectile function was then assessed 1 week after near-infrared treatment. It was found that the initial radiant exposure setting was not optimal according to the Arndt-Schulz rule. We performed a second experiment using a different radiant exposure setting. Forty male rats were randomly divided into five groups (normal controls, DM0J, DM4J, DM8J, and DM16J), and the near-infrared laser was again applied according to the new setting, and erectile function was assessed as in the first experiment. Histologic, biochemical, and proteomic analyses were then conducted. RESULTS Recovery of erectile function of varying degrees was observed in the near-infrared treatment groups, and radiant exposure of 4 J/cm2 achieved optimal results. The DM4J group showed improvement in mitochondrial function and morphology in diabetes mellitus rats, and it was found that oxidative stress levels were significantly reduced by near-infrared exposure. The tissue structure of the corpus cavernosum was also improved by near-infrared exposure. The proteomics analysis confirming multiple biologic processes were changed by diabetes mellitus and near-infrared. DISCUSSION AND CONCLUSION Near-infrared laser activated mitochondria, improved oxidative stress, repaired the damage to penile corpus cavernosum tissue structures caused by diabetes mellitus, and improved erectile function in diabetes mellitus rats. These results thus raise the possibility that human patients with diabetes mellitus-induced erectile dysfunction may respond to near-infrared therapy in a manner that parallels the responses we observed in animal study.
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Affiliation(s)
- Lin Yang
- Department of Urology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Guoxiong Liu
- Department of Urology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Dali Jiang
- Department of Urology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Guiting Lin
- Knuppe Molecular Urology Laboratory, Department of Urology, School of Medicine, University of California, San Francisco, California, USA
| | - Zejun Ren
- Department of Urology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Hengtong Fan
- Department of Urology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Bing Yang
- Blueray Medical, Ltd, Xi'an, Shaanxi, China
| | - Liyue Mu
- Blueray Medical, Ltd, Xi'an, Shaanxi, China
| | - Tom F Lue
- Knuppe Molecular Urology Laboratory, Department of Urology, School of Medicine, University of California, San Francisco, California, USA
| | - Dalin He
- Department of Urology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
- Blueray Medical, Ltd, Xi'an, Shaanxi, China
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27
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Silva CR, Pereira ST, Silva DFT, De Pretto LR, Freitas AZ, Zeituni CA, Rostelato MECM, Ribeiro MS. Noninvasive Red Laser Intervention before Radiotherapy of Triple-negative Breast Cancer in a Murine Model. Radiat Res 2023; 200:366-373. [PMID: 37772737 DOI: 10.1667/rade-23-00050.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 07/31/2023] [Indexed: 09/30/2023]
Abstract
Radiotherapy is a well-established cancer treatment; it is estimated that approximately 52% of oncology patients will require this treatment modality at least once. However, some tumors, such as triple-negative breast cancer (TNBC), may present as radioresistant and thus require high doses of ionizing radiation and a prolonged period of treatment, which may result in more severe side effects. Moreover, such tumors show a high incidence of metastases and decreased survival expectancy of the patient. Thus, new strategies for radiosensitizing TNBC are urgently needed. Red light therapy, photobiomodulation, has been used in clinical practice to mitigate the adverse side effects usually associated with radiotherapy. However, no studies have explored its use as a radiosensitizer of TNBC. Here, we used TNBC-bearing mice as a radioresistant cancer model. Red light treatment was applied in three different protocols before a high dose of radiation (60 Gy split in 4 fractions) was administered. We evaluated tumor growth, mouse clinical signs, total blood cell counts, lung metastasis, survival, and levels of glutathione in the blood. Our data showed that the highest laser dose in combination with radiation arrested tumor progression, likely due to inhibition of GSH synthesis. In addition, red light treatment before each fraction of radiation, regardless of the light dose, improved the health status of the animals, prevented anemia, reduced metastases, and improved survival. Collectively, these results indicate that red light treatment in combination with radiation could prove useful in the treatment of TNBC.
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Affiliation(s)
- Camila R Silva
- Center for Lasers and Applications, São Paulo, SP, Brazil
| | | | | | | | | | - Carlos A Zeituni
- Radiation Technology Center, Nuclear and Energy Research Institute (IPEN-CNEN), São Paulo, SP, Brazil
| | - Maria E C M Rostelato
- Radiation Technology Center, Nuclear and Energy Research Institute (IPEN-CNEN), São Paulo, SP, Brazil
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28
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Zhang R, Qu J. The Mechanisms and Efficacy of Photobiomodulation Therapy for Arthritis: A Comprehensive Review. Int J Mol Sci 2023; 24:14293. [PMID: 37762594 PMCID: PMC10531845 DOI: 10.3390/ijms241814293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 09/10/2023] [Accepted: 09/13/2023] [Indexed: 09/29/2023] Open
Abstract
Rheumatoid arthritis (RA) and osteoarthritis (OA) have a significant impact on the quality of life of patients around the world, causing significant pain and disability. Furthermore, the drugs used to treat these conditions frequently have side effects that add to the patient's burden. Photobiomodulation (PBM) has emerged as a promising treatment approach in recent years. PBM effectively reduces inflammation by utilizing near-infrared light emitted by lasers or LEDs. In contrast to photothermal effects, PBM causes a photobiological response in cells, which regulates their functional response to light and reduces inflammation. PBM's anti-inflammatory properties and beneficial effects in arthritis treatment have been reported in numerous studies, including animal experiments and clinical trials. PBM's effectiveness in arthritis treatment has been extensively researched in arthritis-specific cells. Despite the positive results of PBM treatment, questions about specific parameters such as wavelength, dose, power density, irradiation time, and treatment site remain. The goal of this comprehensive review is to systematically summarize the mechanisms of PBM in arthritis treatment, the development of animal arthritis models, and the anti-inflammatory and joint function recovery effects seen in these models. The review also goes over the evaluation methods used in clinical trials. Overall, this review provides valuable insights for researchers investigating PBM treatment for arthritis, providing important references for parameters, model techniques, and evaluation methods in future studies.
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Affiliation(s)
| | - Junle Qu
- Center for Biomedical Optics and Photonics and College of Physics and Optoelectronic Engineering, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen University, Shenzhen 518060, China;
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29
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Priyadarshi A, Keshri GK, Gupta A. Dual-NIR wavelength (pulsed 810 nm and superpulsed 904 nm lasers) photobiomodulation therapy synergistically augments full-thickness burn wound healing: A non-invasive approach. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2023; 246:112761. [PMID: 37542937 DOI: 10.1016/j.jphotobiol.2023.112761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 07/17/2023] [Accepted: 07/24/2023] [Indexed: 08/07/2023]
Abstract
A thermal burn is the most frequent, distressing form of trauma. Globally, there is a critical necessity to explore novel therapeutic strategies for burn wound care. Combination therapy has marked therapeutic efficacy in positively regulating various phases of wound repair. Photobiomodulation (PBM) is a biophysical, non-thermal therapeutic healing modality to treat chronic non-healing wounds. It hypothesized that PBM using combined NIR wavelengths may absorb through different cellular photoacceptors with varying degrees of tissue penetration, which can potentially regulate the pace of healing. Therefore, the current study investigates the efficacy of dual-NIR wavelength treatment employing pulsed 810 nm and superpulsed 904 nm lasers PBM on transdermal burn repair in rats and unveils the associated molecular mechanistic insights. Rats were randomized into five groups: uninjured skin, burn control (sham-exposed), standalone treatment with pulsed 810 nm laser, superpulsed 904 nm laser, and dual combination groups. The present findings revealed that PBM with dual-NIR wavelength synergistically augmented burn wound healing compared to control and standalone treatments. The efficacy of combined treatment was exhibited by significantly enhanced wound area contraction (α-smooth muscle actin), proliferation (PCNA, cytokeratin-14, TGF-β2), angiogenesis (HIF-1α, CD31), ECM accumulation/ organization (collagen type 3, fibronectin), dermal hydration (AQP3), calcium homeostasis (TRPV3, calmodulin), and bioenergetics activation (CCO, AMPK-α, ATP). Collectively, PBM with dual-NIR wavelength (pulsed/ superpulsed-mode) treatment accelerates full-thickness burn wound healing, which could be used as a non-invasive translational approach in clinical significance in conjunction with existing burn wound care management.
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Affiliation(s)
- Ashok Priyadarshi
- Pharmacology Division, Defence Institute of Physiology and Allied Sciences (DIPAS), DRDO, Delhi 110 054, India
| | - Gaurav K Keshri
- Pharmacology Division, Defence Institute of Physiology and Allied Sciences (DIPAS), DRDO, Delhi 110 054, India
| | - Asheesh Gupta
- Pharmacology Division, Defence Institute of Physiology and Allied Sciences (DIPAS), DRDO, Delhi 110 054, India.
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30
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She Z, Ward AH, Gawne TJ. The effects of ambient narrowband long-wavelength light on lens-induced myopia and form-deprivation myopia in tree shrews. Exp Eye Res 2023; 234:109593. [PMID: 37482282 PMCID: PMC10529043 DOI: 10.1016/j.exer.2023.109593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Revised: 06/21/2023] [Accepted: 07/11/2023] [Indexed: 07/25/2023]
Abstract
Here we examine the effects of ambient red light on lens-induced myopia and diffuser-induced myopia in tree shrews, small diurnal mammals closely related to primates. Starting at 24 days of visual experience (DVE), seventeen tree shrews were reared in red light (624 ± 10 or 634 ± 10 nm, 527-749 human lux) for 12-14 days wearing either a -5D lens (RL-5D, n = 5) or a diffuser (RLFD, n = 5) monocularly, or without visual restriction (RL-Control, n = 7). Refractive errors and ocular dimensions were compared to those obtained from tree shrews raised in broad-spectrum white light (WL-5D, n = 5; WLFD, n = 10; WL Control, n = 7). The RL-5D tree shrews developed less myopia in their lens-treated eyes than WL-5D tree shrews at the end of the experiment (-1.1 ± 0.9D vs. -3.8 ± 0.3D, p = 0.007). The diffuser-treated eyes of the RLFD tree shrews were near-emmetropic (-0.3 ± 0.6D, vs. -5.4 ± 0.7D in the WLFD group). Red light induced hyperopia in control animals (RL-vs. WL-Control, +3.0 ± 0.7 vs. +1.0 ± 0.2D, p = 0.02), the no-lens eyes of the RL-5D animals, and the no-diffuser eyes of the RLFD animals (+2.5 ± 0.5D and +2.3 ± 0.3D, respectively). The refractive alterations were consistent with the alterations in vitreous chamber depth. The lens-induced myopia developed in red light suggests that a non-chromatic cue could signal defocus to a less accurate extent, although it could also be a result of "form-deprivation" caused by defocus blur. As with previous studies in rhesus monkeys, the ability of red light to promote hyperopia appears to correlate with its ability to retard lens-induced myopia and form-deprivation myopia, the latter of which might be related to non-visual ocular mechanisms.
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Affiliation(s)
- Zhihui She
- Department of Optometry and Vision Science, University of Alabama at Birmingham, 1716 University Blvd, HPB 528, Birmingham, AL, 35294, UK
| | - Alexander H Ward
- Georgia Cancer Center, Augusta University. Dr. Ward Contributed to This Work During His Graduate Training at the University of Alabama at Birmingham, UK
| | - Timothy J Gawne
- Department of Optometry and Vision Science, University of Alabama at Birmingham, 1716 University Blvd, HPB 528, Birmingham, AL, 35294, UK.
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Dos Santos Soares F, de Souza Pinto M, Kruger A, Coracini CA, Bertolini GRF. Photobiomodulation therapy on skeletal muscles exposed to diabetes mellitus: a systematic review of animal studies. Lasers Med Sci 2023; 38:185. [PMID: 37580518 DOI: 10.1007/s10103-023-03853-8] [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: 02/27/2023] [Accepted: 08/08/2023] [Indexed: 08/16/2023]
Abstract
Diabetes-related muscle damage has been overlooked despite its known association with increased morbidity and mortality in DM individuals. PBMT is a recognized alternative to improve skeletal muscle health in other populations, but its effectiveness in DM is still unclear. To address this issue, we reviewed preclinical studies, available in any language and period, in ten sources of information. The methods were previously registered at PROSPERO (CRD42021271041), based on PRISMA recommendations. Studies in murine models of T1DM or T2DM that reported quantitative analyses of skeletal muscles treated with low-level light therapy could be included after a blind selection process. Most of the seven included studies focus on decompensated T1DM rats with acute muscle injury (cryoinjury or contusion). In these five studies, PBMT improved muscle regeneration, by reducing inflammation and stimulating factors pro-angiogenesis and pro-myogenesis. Some positive effects could also be observed in two studies on muscles without acute injury: control of oxidative stress (T1DM) and reduction of myosteatosis (T2DM). Although infrared laser applied locally appears to be a promising approach, optimal parameters are undefined due to the heterogeneity of outcomes and high risk of bias, which prevented a quantitative synthesis. Several aspects of this growing field have yet to be investigated, particularly regarding the DM model (e.g., aged animals, T2DM), intervention (e.g., comparison with LED), and outcomes (e.g., muscle mass, strength, and function). Future research should aim to improve the internal validity by following guidelines for animal studies and enhance the translatability to clinical trials by using animal models that closely mimic patients with DM in rehabilitation settings.
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Affiliation(s)
- Francyelle Dos Santos Soares
- Department of Physical Therapy, Center of Biological and Health Sciences, State University of Western Paraná, Universitaria St. 2069, Cascavel, Paraná, 85819-110, Brazil
| | - Milena de Souza Pinto
- Department of Physical Therapy, Center of Biological and Health Sciences, State University of Western Paraná, Universitaria St. 2069, Cascavel, Paraná, 85819-110, Brazil
| | - Alana Kruger
- Department of Physical Therapy, Center of Biological and Health Sciences, State University of Western Paraná, Universitaria St. 2069, Cascavel, Paraná, 85819-110, Brazil
| | - Camila Amaral Coracini
- Department of Physical Therapy, Center of Biological and Health Sciences, State University of Western Paraná, Universitaria St. 2069, Cascavel, Paraná, 85819-110, Brazil
| | - Gladson Ricardo Flor Bertolini
- Department of Physical Therapy, Center of Biological and Health Sciences, State University of Western Paraná, Universitaria St. 2069, Cascavel, Paraná, 85819-110, Brazil.
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Öztürk K, Kuzu TE, Gürgan CA, Önder GÖ, Yay A. The effect of different treatment protocols with diode laser on regeneration in axonetmesis ınjuries of the ınferior alveolar nerve: an animal study. Lasers Med Sci 2023; 38:169. [PMID: 37515606 DOI: 10.1007/s10103-023-03834-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Accepted: 07/19/2023] [Indexed: 07/31/2023]
Abstract
The inferior alveolar nerve can be damaged during dental procedures, leading to symptoms, such as tingling, numbness, and reduced quality of life. Recovery depends on factors such as medications, surgery, and photobiomodulation therapy. Photobiomodulation therapy has shown the potential to improve nerve function and reduce regeneration time; however, there is no standard treatment protocol yet. This study aimed to examine the effect of diode lasers on nerve regeneration in patients with axonetmesis injuries. In this experiment on animals, Wistar rats' damaged sensory systems were treated with lasers to restore them. Animals were randomly divided into six groups: a sham group, a control group, and four laser treatment groups(1st group: performed every day, 10 sessions; 2nd group: performed every 2 days, 10 sessions; 3rd group: performed every day, 20 sessions; and 4th group: performed every 2 days, 20 sessions). Sensory function was determined using the Semmes-Weinstein monofilament test, which was repeated after the surgical procedure. The results showed that the 20-session group had the best improvement, most closely resembling the group without sensory test damage. The histomorphometric results showed that the number of axons was significantly lower in the group that received 10 daily sessions and in the control group than in the undamaged nerve. Axon diameter was lower in all groups than in the sham group. In conclusion, the remarkable aspect of this study is that consecutive-day 20-session laser treatment showed better improvement than the over-the-day 20-session treatment protocol.
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Affiliation(s)
- Kübra Öztürk
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Nuh Naci Yazgan University, Kayseri, Turkey.
| | - Turan Emre Kuzu
- Department of Periodontology, Faculty of Dentistry, Nuh Naci Yazgan University, Kayseri, Turkey
| | - Cem A Gürgan
- Department of Periodontology, Faculty of Dentistry, Nuh Naci Yazgan University, Kayseri, Turkey
| | - Gözde Özge Önder
- Department of Histology and Embryology, Faculty of Medicine, Erciyes University, Kayseri, Turkey
| | - Arzu Yay
- Department of Histology and Embryology, Faculty of Medicine, Erciyes University, Kayseri, Turkey
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Wang X, Liu Q, Peng J, Song W, Zhao J, Chen L. The Effects and Mechanisms of PBM Therapy in Accelerating Orthodontic Tooth Movement. Biomolecules 2023; 13:1140. [PMID: 37509176 PMCID: PMC10377711 DOI: 10.3390/biom13071140] [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: 05/09/2023] [Revised: 07/11/2023] [Accepted: 07/14/2023] [Indexed: 07/30/2023] Open
Abstract
Malocclusion is one of the three major diseases, the incidence of which could reach 56% of the imperiled oral and systemic health in the world today. Orthodontics is still the primary method to solve the problem. However, it is clear that many orthodontic complications are associated with courses of long-term therapy. Photobiomodulation (PBM) therapy could be used as a popular way to shorten the course of orthodontic treatment by nearly 26% to 40%. In this review, the efficacy in cells and animals, mechanisms, relevant cytokines and signaling, clinical trials and applications, and the future developments of PBM therapy in orthodontics were evaluated to demonstrate its validity. Simultaneously, based on orthodontic mechanisms and present findings, the mechanisms of acceleration of orthodontic tooth movement (OTM) caused by PBM therapy were explored in relation to four aspects, including blood vessels, inflammatory response, collagen and fibers, and mineralized tissues. Also, the cooperative effects and clinical translation of PBM therapy in orthodontics have been explored in a growing numbers of studies. Up to now, PBM therapy has been gaining popularity for its non-invasive nature, easy operation, and painless procedures. However, the validity and exact mechanism of PBM therapy as an adjuvant treatment in orthodontics have not been fully elucidated. Therefore, this review summarizes the efficacy of PBM therapy on the acceleration of OTM comprehensively from various aspects and was designed to provide an evidence-based platform for the research and development of light-related orthodontic tooth movement acceleration devices.
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Affiliation(s)
- Xinyuan Wang
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
| | - Qian Liu
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
| | - Jinfeng Peng
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
| | - Wencheng Song
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
| | - Jiajia Zhao
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
| | - Lili Chen
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
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Vieira WF, Gersten M, Caldieraro MAK, Cassano P. Photobiomodulation for Major Depressive Disorder: Linking Transcranial Infrared Light, Biophotons and Oxidative Stress. Harv Rev Psychiatry 2023; 31:124-141. [PMID: 37171473 DOI: 10.1097/hrp.0000000000000363] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
ABSTRACT Incompletely treated major depressive disorder (MDD) poses an enormous global health burden. Conventional treatment for MDD consists of pharmacotherapy and psychotherapy, though a significant number of patients do not achieve remission with such treatments. Transcranial photobiomodulation (t-PBM) is a promising novel therapy that uses extracranial light, especially in the near-infrared (NIR) and red spectra, for biological and therapeutic effects. The aims of this Review are to evaluate the current clinical and preclinical literature on t-PBM in MDD and to discuss candidate mechanisms for effects of t-PBM in MDD, with specific attention to biophotons and oxidative stress. A search on PubMed and ClinicalTrials.gov identified clinical and preclinical studies using t-PBM for the treatment of MDD as a primary focus. After a systematic screening, only 19 studies containing original data were included in this review (9 clinical and 10 preclinical trials). Study results demonstrate consensus that t-PBM is a safe and potentially effective treatment; however, varying treatment parameters among studies complicate definitive conclusions about efficacy. Among other mechanisms of action, t-PBM stimulates the complex IV of the mitochondrial respiratory chain and induces an increase in cellular energy metabolism. We suggest that future trials include biological measures to better understand the mechanisms of action of t-PBM and to optimize treatment efficiency. Of particular interest going forward will be studying potential effects of t-PBM-an external light source on the NIR spectra-on neural circuitry implicated in depression.
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Affiliation(s)
- Willians Fernando Vieira
- From Division of Neuropsychiatry and Neuromodulation, Massachusetts General Hospital, Boston, MA (Drs. Vieira, Gersten, Cassano); Department of Psychiatry, Harvard Medical School, Boston, MA (Drs. Vieira, Cassano); Department of Anatomy, Institute of Biomedical Sciences (ICB), University of Sao Paulo (USP), Sao Paulo, SP, Brazil (Dr. Vieira); Centro de Pesquisa Experimental (CPE) e Centro de Pesquisa Clínica (CPC), Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, RS, Brazil (Dr. Caldieraro); Universidade Federal do Rio Grande do Sul, Faculdade de Medicina, Departamento de Psiquiatria e Medicina Legal, Programa de Pós-Graduação em Psiquiatria e Ciências do Comportamento, Porto Alegre, RS, Brazil (Dr. Caldieraro)
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Calabrese EJ, Agathokleous E, Dhawan G, Kapoor R, Dhawan V, Manes PK, Calabrese V. Nitric oxide and hormesis. Nitric Oxide 2023; 133:1-17. [PMID: 36764605 DOI: 10.1016/j.niox.2023.02.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 01/20/2023] [Accepted: 02/05/2023] [Indexed: 02/10/2023]
Abstract
This present paper provides an assessment of the occurrence of nitric oxide (NO)-induced hormetic-biphasic dose/concentration relationships in biomedical research. A substantial reporting of such NO-induced hormetic effects was identified with particular focus on wound healing, tumor promotion, and sperm biology, including mechanistic assessment and potential for translational applications. Numerous other NO-induced hormetic effects have been reported, but require more development prior to translational applications. The extensive documentation of NO-induced biphasic responses, across numerous organs (e.g., bone, cardiovascular, immune, intestine, and neuronal) and cell types, suggests that NO-induced biological activities are substantially mediated via hormetic processes. These observations are particularly important because broad areas of NO biology are constrained by the quantitative features of the hormetic response. This determines the amplitude and width of the low dose stimulation, affecting numerous biomedical implications, study design features (e.g., number of doses, dose spacing, sample sizes, statistical power), and the potential success of clinical trials.
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Affiliation(s)
- Edward J Calabrese
- Department of Environmental Health Sciences, Morrill I, N344, University of Massachusetts, Amherst, MA, 01003, USA.
| | - Evgenios Agathokleous
- School of Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing, 210044, China.
| | | | - Rachna Kapoor
- Saint Francis Hospital and Medical Center, Hartford, CT, USA.
| | - Vikas Dhawan
- Department of Surgery, Indian Naval Ship Hospital, Mumbai, India.
| | | | - Vittorio Calabrese
- Department of Biomedical and Biotechnological Sciences, School of Medicine University of Catania, Via Santa Sofia 97, Catania, 95123, Italy.
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Yong J, Gröger S, Wu Z, Ruf S, Ye Y, Chen X. Photobiomodulation Therapy and Pulp-Regenerative Endodontics: A Narrative Review. Bioengineering (Basel) 2023; 10:bioengineering10030371. [PMID: 36978762 PMCID: PMC10045842 DOI: 10.3390/bioengineering10030371] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 03/13/2023] [Accepted: 03/15/2023] [Indexed: 03/19/2023] Open
Abstract
Regenerative endodontic procedures (REPs) were used to recover the dental pulp’s vitality in order to avoid the undesirable outcomes of conventional endodontic treatment and to promote dentinal formation, especially for immature permanent teeth. Photobiomodulation therapy (PBMT) exhibits photobiological and photochemical effects for improving the root canal’s environmental conditions by compensating for oxidative stress and increasing the blood supply to implanted stem cells and improving their survival. Basic research has revealed that PBMT can modulate human dental pulp stem cells’ (hDPSCs) differentiation, proliferation, and activity, and subsequent tissue activation. However, many unclear points still remain regarding the mechanisms of action induced by PBMT in REPs. Therefore, in this review, we present the applications of laser and PBMT irradiation to the procedures of REPs and in endodontics. In addition, the effects of PBMT on the regenerative processes of hDPSCs are reviewed from biochemical and cytological perspectives on the basis of the available literature. Furthermore, we consider the feasibility of treatment in which PBMT irradiation is applied to stem cells, including dental pulp stem cells, and we discuss research that has reported on its effect.
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Affiliation(s)
- Jiawen Yong
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou 310003, China
- Department of Orthodontics, Faculty of Medicine, Justus Liebig University Giessen, 35392 Giessen, Germany
| | - Sabine Gröger
- Department of Orthodontics, Faculty of Medicine, Justus Liebig University Giessen, 35392 Giessen, Germany
| | - Zuping Wu
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou 310003, China
| | - Sabine Ruf
- Department of Orthodontics, Faculty of Medicine, Justus Liebig University Giessen, 35392 Giessen, Germany
| | - Yuer Ye
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou 310003, China
| | - Xiaoyan Chen
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou 310003, China
- Correspondence:
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Ailioaie LM, Ailioaie C, Litscher G. Photobiomodulation in Alzheimer's Disease-A Complementary Method to State-of-the-Art Pharmaceutical Formulations and Nanomedicine? Pharmaceutics 2023; 15:916. [PMID: 36986776 PMCID: PMC10054386 DOI: 10.3390/pharmaceutics15030916] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 03/07/2023] [Accepted: 03/09/2023] [Indexed: 03/14/2023] Open
Abstract
Alzheimer's disease (AD), as a neurodegenerative disorder, usually develops slowly but gradually worsens. It accounts for approximately 70% of dementia cases worldwide, and is recognized by WHO as a public health priority. Being a multifactorial disease, the origins of AD are not satisfactorily understood. Despite huge medical expenditures and attempts to discover new pharmaceuticals or nanomedicines in recent years, there is no cure for AD and not many successful treatments are available. The current review supports introspection on the latest scientific results from the specialized literature regarding the molecular and cellular mechanisms of brain photobiomodulation, as a complementary method with implications in AD. State-of-the-art pharmaceutical formulations, development of new nanoscale materials, bionanoformulations in current applications and perspectives in AD are highlighted. Another goal of this review was to discover and to speed transition to completely new paradigms for the multi-target management of AD, to facilitate brain remodeling through new therapeutic models and high-tech medical applications with light or lasers in the integrative nanomedicine of the future. In conclusion, new insights from this interdisciplinary approach, including the latest results from photobiomodulation (PBM) applied in human clinical trials, combined with the latest nanoscale drug delivery systems to easily overcome protective brain barriers, could open new avenues to rejuvenate our central nervous system, the most fascinating and complex organ. Picosecond transcranial laser stimulation could be successfully used to cross the blood-brain barrier together with the latest nanotechnologies, nanomedicines and drug delivery systems in AD therapy. Original, smart and targeted multifunctional solutions and new nanodrugs may soon be developed to treat AD.
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Affiliation(s)
- Laura Marinela Ailioaie
- Department of Medical Physics, Alexandru Ioan Cuza University, 11 Carol I Boulevard, 700506 Iasi, Romania
| | - Constantin Ailioaie
- Department of Medical Physics, Alexandru Ioan Cuza University, 11 Carol I Boulevard, 700506 Iasi, Romania
| | - Gerhard Litscher
- President of ISLA (International Society for Medical Laser Applications), Research Unit of Biomedical Engineering in Anesthesia and Intensive Care Medicine, Research Unit for Complementary and Integrative Laser Medicine, Traditional Chinese Medicine (TCM) Research Center Graz, Department of Anesthesiology and Intensive Care Medicine, Medical University of Graz, Auenbruggerplatz 39, 8036 Graz, Austria
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Kurhaluk N, Tkachenko H, Tomin V. Invitro impact of a combination of red and infrared LEDs, infrared laser and magnetic field on biomarkers of oxidative stress and hemolysis of erythrocytes sampled from healthy individuals and diabetes patients. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2023; 242:112685. [PMID: 36921401 DOI: 10.1016/j.jphotobiol.2023.112685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 02/24/2023] [Accepted: 03/06/2023] [Indexed: 03/18/2023]
Abstract
AIMS Low-intensity infrared laser irradiation with output emissions of the laser and LED for in vitro irradiation of plasma and erythrocyte samples collected from healthy individuals and diabetes mellitus (DM) patients was used in the current study. METHODS The generated emission was in the range 0.85-0.89 nm with pulse duration near 130 ns and repetition rates of pulses 50, 150, 600, and 1500 Hz, average power 0, 50, or 100 mW, in the range of 1-9 min for different 30 variants of irradiation. The levels of 2-thiobarbituric-acid reactive substances (TBARS), aldehydic and ketonic derivatives of oxidatively modified proteins (OMP), total antioxidant capacity (TAC), acid-induced resistance of erythrocytes, and activities of the main antioxidant enzymes were assessed in erythrocyte and plasma samples after irradiation. RESULTS The low-intensity infrared laser irradiation and low-intensity light emitted by a red LED decreased the lipid peroxidation levels in the erythrocytes of both healthy individuals and DM patients. A statistically significant decrease in TBARS and OMP levels and an increase in the TAC level were observed at the irradiation energy of 34.39 and 68.79 J/cm2 for samples collected from both healthy individuals and DM patients. The effects of the irradiation were accompanied by a statistically significant decrease in catalase activity of both healthy individuals and DM patients. CONCLUSIONS In many variants of the laser irradiation and low-intensity light emitted by a red LED used in our study, a decrease in the percent of hemolyzed erythrocytes was observed, suggesting that laser therapy protocols should take into account fluencies, frequencies, and wavelengths of the laser before the beginning of treatment, especially in DM patients.
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Affiliation(s)
- Natalia Kurhaluk
- Department of Biology, Institute of Biology and Earth Sciences, Pomeranian University in Słupsk, Słupsk, Poland.
| | - Halyna Tkachenko
- Department of Biology, Institute of Biology and Earth Sciences, Pomeranian University in Słupsk, Słupsk, Poland
| | - Vladimir Tomin
- Department of Physics, Institute of Science and Technology, Pomeranian University in Słupsk, Słupsk, Poland
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Grissom AC, Hernandez IA, Kirkpatrick TC, Patel SA, Barros JA, Stanley E. Treating Nerve Injury After Endodontic Microsurgery Using Laser Photobiomodulation: A Report of Two Cases. J Endod 2023; 49:597-603. [PMID: 36894023 DOI: 10.1016/j.joen.2023.01.011] [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: 10/18/2022] [Accepted: 01/17/2023] [Indexed: 03/09/2023]
Abstract
The purpose of this case report was to inform dentists and dental specialists about a non-invasive, viable treatment option that could aid in the recovery of patients who have experienced iatrogenic nerve injuries. Nerve injury is an inherent risk of many dental procedures, and a complication that can negatively impact a patient's quality of life and activities of daily living. Managing neural injuries presents a challenge for clinicians as there are no standard protocols reported in the literature. While spontaneous healing of these injuries can occur, the duration and degree of healing can vary greatly between individuals. Photobiomodulation (PBM) therapy is used as an adjunct in medicine for functional nerve recovery. Once target tissues are illuminated with a low-level laser during PBM, the light energy is absorbed by the mitochondria causing ATP production, modulation of reactive oxygen species, and the release of nitric oxide. These cellular changes explain why PBM has been shown to aid in cell repair, vasodilation, reduction in inflammation, accelerated healing, and an improvement in postoperative pain. This case report presents two patients with neurosensory alterations after endodontic microsurgery with significant improvement in their condition after PBM treatment using a 940 nm diode laser.
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Affiliation(s)
- Austyn C Grissom
- Department of Endodontics, The University of Texas Health Science Center at Houston School of Dentistry
| | - I Andrea Hernandez
- Department of Endodontics, The University of Texas Health Science Center at Houston School of Dentistry
| | - Timothy C Kirkpatrick
- Department of Endodontics, The University of Texas Health Science Center at Houston School of Dentistry
| | - Shalizeh A Patel
- Department of Restorative Dentistry and Prosthodontics, The University of Texas Health Science Center at Houston School of Dentistry
| | - Juliana A Barros
- Department of Restorative Dentistry and Prosthodontics, The University of Texas Health Science Center at Houston School of Dentistry
| | - Eva Stanley
- Department of Endodontics, The University of Texas Health Science Center at Houston School of Dentistry.
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Luo G, Zhang J, Song Z, Wang Y, Wang X, Qu H, Wang F, Liu C, Gao F. Effectiveness of non-pharmacological therapies on cognitive function in patients with dementia-A network meta-analysis of randomized controlled trials. Front Aging Neurosci 2023; 15:1131744. [PMID: 36967820 PMCID: PMC10035791 DOI: 10.3389/fnagi.2023.1131744] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Accepted: 02/13/2023] [Indexed: 03/06/2023] Open
Abstract
Objective Non-pharmacological therapies (NPTs) have received increasing attention from researchers as a category of treatment to improve cognitive impairment in patients with dementia because of their fewer side effects. In this study, photobiomodulation (PBM), enriched environment (EE), exercise therapy (ET), computerized cognitive training (CCT), and cognitive stimulation therapy (CST) were selected to compare the effects of NPTs that improve dementia by quantifying information from randomized controlled trials (RCTs). Methods We did a systematic review and network meta-analysis. We searched PubMed, Embase, Cochrane Central Register of Controlled Trials (CENTRAL), China National Knowledge Infrastructure Database, Wan Fang Database, Chinese Biomedical Literature Database, Web of Science, and VIP Database from the time of database creation to 1 August 2022. Two investigators independently screened the literature, extracted information, and assessed the RCTs' quality with the Cochrane Collaboration Network Risk of Bias 2.0. Network meta-analysis was performed using R language (X64 version 4.1.3) and STATA 17.0. Results We identified 1,268 citations and of these included 38 trials comprising 3,412 participants. For improving dementia, the results of the network meta-analysis showed that compared with the control group (CON), PBM (SMD = 0.90, 95% CI: 0.43-1.37), EE (SMD = 0.71, 95% CI: 0.02-1.41), ET (SMD = 0.42, 95% CI: 0.16-0.68), and CST (SMD = 0.36, 95% CI: 0.11-0.62) were significantly different (P < 0.05); There was no significant difference in CCT (SMD = 0.41, 95% CI: -0.07-0.88) (P > 0.05). The ranked results showed that PBM has more potential to be the best intervention (P = 0.90). In addition, there was a significant difference between PBM and CST in improving cognitive function (SMD = 0.54, 95% CI: 0.00; 1.08, P < 0.05). Conclusion In this study, NPTs have excellent potential to improve cognition in people with dementia, and PBM may have more significant benefits in improving cognition than the other four NPTs. Systematic review registration https://www.crd.york.ac.uk/prospero/, identifier CRD42022363746.
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Affiliation(s)
- Guangxin Luo
- School of Public Health, North China University of Science and Technology, Tangshan, China
| | - Junqiu Zhang
- School of Public Health, North China University of Science and Technology, Tangshan, China
| | - Zeyi Song
- School of Clinical Medicine, North China University of Science and Technology, Tangshan, China
| | - Ying Wang
- School of Public Health, North China University of Science and Technology, Tangshan, China
| | - Xiaojing Wang
- School of Public Health, North China University of Science and Technology, Tangshan, China
| | - Haifeng Qu
- School of Clinical Medicine, North China University of Science and Technology, Tangshan, China
| | - Fang Wang
- Department of Psychology, The Fourth People’s Hospital of Wuhu, Wuhu, China
| | - Chengjiang Liu
- Department of General Medicine, Affiliated Anqing First People’s Hospital of Anhui Medical University, Anqing, China
| | - Fujia Gao
- School of Public Health, North China University of Science and Technology, Tangshan, China
- Hebei Province Key Laboratory of Occupational Health and Safety for Coal Industry, School of Public Health, North China University of Science and Technology, Tangshan, China
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Alves ED, Benevenuto LGD, Morais BP, Barros MA, Achcar JA, Montrezor LH. Ovarian Microenvironment Modulation by Adipose-Mesenchymal Stem Cells and Photobiomodulation Can Alter Osteoblasts Functions In Vitro. REGENERATIVE ENGINEERING AND TRANSLATIONAL MEDICINE 2023. [DOI: 10.1007/s40883-023-00297-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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42
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Zeng H, Gong L. A Review of Applications and Intracellular Mechanisms of Intense Pulsed Light in Eyelid Inflammatory Diseases. Photobiomodul Photomed Laser Surg 2023; 41:104-119. [PMID: 36927050 DOI: 10.1089/photob.2022.0120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023] Open
Abstract
Objective: To evaluate relevant clinical outcomes and conclude possible mechanisms of intense pulsed light (IPL) in eyelid inflammation. Background: IPL devices were primarily applied in cutaneous vascular malformations and have been used in ocular diseases for about 20 years, mostly including meibomian gland dysfunction (MGD), blepharitis, and ocular rosacea. Recent findings: Seventy-two original clinical researches were included, 57 for MGD, 4 for blepharitis or blepharitis-related keratoconjunctivitis, and 11 for rosacea. Dry eye symptoms, (tear) break-up time (BUT), and meibomian structure and/or functions were improved in most patients, but production of reactive oxygen species is an important link in the photobiomodulation mediated by IPL, which can influence numerous signal pathways to achieve anti-inflammatory, anti-infective, and prodifferentiation effects. Conclusions: The evidence suggests that IPL is an effective therapeutic tool for most patients with MGD, but more clinical evidence is needed for other indications.
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Affiliation(s)
- Hongya Zeng
- Department of Ophthalmology and Vision Science, the Eye & ENT Hospital of Fudan University, Shanghai, China
| | - Lan Gong
- Department of Ophthalmology and Vision Science, the Eye & ENT Hospital of Fudan University, Shanghai, China.,Key Laboratory of Myopia, Ministry of Health, Shanghai, China
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Liebert A, Capon W, Pang V, Vila D, Bicknell B, McLachlan C, Kiat H. Photophysical Mechanisms of Photobiomodulation Therapy as Precision Medicine. Biomedicines 2023; 11:biomedicines11020237. [PMID: 36830774 PMCID: PMC9953702 DOI: 10.3390/biomedicines11020237] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2023] [Revised: 01/11/2023] [Accepted: 01/12/2023] [Indexed: 01/19/2023] Open
Abstract
Despite a significant focus on the photochemical and photoelectrical mechanisms underlying photobiomodulation (PBM), its complex functions are yet to be fully elucidated. To date, there has been limited attention to the photophysical aspects of PBM. One effect of photobiomodulation relates to the non-visual phototransduction pathway, which involves mechanotransduction and modulation to cytoskeletal structures, biophotonic signaling, and micro-oscillatory cellular interactions. Herein, we propose a number of mechanisms of PBM that do not depend on cytochrome c oxidase. These include the photophysical aspects of PBM and the interactions with biophotons and mechanotransductive processes. These hypotheses are contingent on the effect of light on ion channels and the cytoskeleton, the production of biophotons, and the properties of light and biological molecules. Specifically, the processes we review are supported by the resonant recognition model (RRM). This previous research demonstrated that protein micro-oscillations act as a signature of their function that can be activated by resonant wavelengths of light. We extend this work by exploring the local oscillatory interactions of proteins and light because they may affect global body circuits and could explain the observed effect of PBM on neuro-cortical electroencephalogram (EEG) oscillations. In particular, since dysrhythmic gamma oscillations are associated with neurodegenerative diseases and pain syndromes, including migraine with aura and fibromyalgia, we suggest that transcranial PBM should target diseases where patients are affected by impaired neural oscillations and aberrant brain wave patterns. This review also highlights examples of disorders potentially treatable with precise wavelengths of light by mimicking protein activity in other tissues, such as the liver, with, for example, Crigler-Najjar syndrome and conditions involving the dysregulation of the cytoskeleton. PBM as a novel therapeutic modality may thus behave as "precision medicine" for the treatment of various neurological diseases and other morbidities. The perspectives presented herein offer a new understanding of the photophysical effects of PBM, which is important when considering the relevance of PBM therapy (PBMt) in clinical applications, including the treatment of diseases and the optimization of health outcomes and performance.
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Affiliation(s)
- Ann Liebert
- Faculty of Medicine and Health, University of Sydney, Sydney 2006, Australia
- Adventist Hospital Group, Wahroonga 2076, Australia
- NICM Health Research Institute, Western Sydney University, Westmead 2145, Australia
- Correspondence:
| | - William Capon
- Faculty of Medicine and Health, University of Sydney, Sydney 2006, Australia
| | - Vincent Pang
- NICM Health Research Institute, Western Sydney University, Westmead 2145, Australia
| | - Damien Vila
- Faculty of Medicine of Montpellier-Nîmes, University of Montpellier, 34090 Montpellier, France
| | - Brian Bicknell
- NICM Health Research Institute, Western Sydney University, Westmead 2145, Australia
| | - Craig McLachlan
- Faculty of Health, Torrens University, Adelaide 5000, Australia
| | - Hosen Kiat
- NICM Health Research Institute, Western Sydney University, Westmead 2145, Australia
- Faculty of Health, Torrens University, Adelaide 5000, Australia
- Cardiac Health Institute, Sydney 2121, Australia
- ANU College of Health and Medicine, Australian National University, Canberra 2600, Australia
- Faculty of Medicine, Health and Human Sciences, Macquarie University, Macquarie Park 2109, Australia
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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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45
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Di Gregorio E, Israel S, Staelens M, Tankel G, Shankar K, Tuszyński JA. The distinguishing electrical properties of cancer cells. Phys Life Rev 2022; 43:139-188. [PMID: 36265200 DOI: 10.1016/j.plrev.2022.09.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Accepted: 09/30/2022] [Indexed: 11/07/2022]
Abstract
In recent decades, medical research has been primarily focused on the inherited aspect of cancers, despite the reality that only 5-10% of tumours discovered are derived from genetic causes. Cancer is a broad term, and therefore it is inaccurate to address it as a purely genetic disease. Understanding cancer cells' behaviour is the first step in countering them. Behind the scenes, there is a complicated network of environmental factors, DNA errors, metabolic shifts, and electrostatic alterations that build over time and lead to the illness's development. This latter aspect has been analyzed in previous studies, but how the different electrical changes integrate and affect each other is rarely examined. Every cell in the human body possesses electrical properties that are essential for proper behaviour both within and outside of the cell itself. It is not yet clear whether these changes correlate with cell mutation in cancer cells, or only with their subsequent development. Either way, these aspects merit further investigation, especially with regards to their causes and consequences. Trying to block changes at various levels of occurrence or assisting in their prevention could be the key to stopping cells from becoming cancerous. Therefore, a comprehensive understanding of the current knowledge regarding the electrical landscape of cells is much needed. We review four essential electrical characteristics of cells, providing a deep understanding of the electrostatic changes in cancer cells compared to their normal counterparts. In particular, we provide an overview of intracellular and extracellular pH modifications, differences in ionic concentrations in the cytoplasm, transmembrane potential variations, and changes within mitochondria. New therapies targeting or exploiting the electrical properties of cells are developed and tested every year, such as pH-dependent carriers and tumour-treating fields. A brief section regarding the state-of-the-art of these therapies can be found at the end of this review. Finally, we highlight how these alterations integrate and potentially yield indications of cells' malignancy or metastatic index.
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Affiliation(s)
- Elisabetta Di Gregorio
- Dipartimento di Ingegneria Meccanica e Aerospaziale (DIMEAS), Politecnico di Torino, Corso Duca degli Abruzzi, 24, Torino, 10129, TO, Italy; Autem Therapeutics, 35 South Main Street, Hanover, 03755, NH, USA
| | - Simone Israel
- Dipartimento di Ingegneria Meccanica e Aerospaziale (DIMEAS), Politecnico di Torino, Corso Duca degli Abruzzi, 24, Torino, 10129, TO, Italy; Autem Therapeutics, 35 South Main Street, Hanover, 03755, NH, USA
| | - Michael Staelens
- Department of Physics, University of Alberta, 11335 Saskatchewan Drive NW, Edmonton, T6G 2E1, AB, Canada
| | - Gabriella Tankel
- Department of Mathematics & Statistics, McMaster University, 1280 Main Street West, Hamilton, L8S 4K1, ON, Canada
| | - Karthik Shankar
- Department of Electrical & Computer Engineering, University of Alberta, 9211 116 Street NW, Edmonton, T6G 1H9, AB, Canada
| | - Jack A Tuszyński
- Dipartimento di Ingegneria Meccanica e Aerospaziale (DIMEAS), Politecnico di Torino, Corso Duca degli Abruzzi, 24, Torino, 10129, TO, Italy; Department of Physics, University of Alberta, 11335 Saskatchewan Drive NW, Edmonton, T6G 2E1, AB, Canada; Department of Oncology, University of Alberta, 11560 University Avenue, Edmonton, T6G 1Z2, AB, Canada.
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46
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Sutterby E, Chheang C, Thurgood P, Khoshmanesh K, Baratchi S, Pirogova E. Investigating the effects of low intensity visible light on human keratinocytes using a customized LED exposure system. Sci Rep 2022; 12:18907. [PMID: 36344673 PMCID: PMC9640685 DOI: 10.1038/s41598-022-23751-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 11/04/2022] [Indexed: 11/09/2022] Open
Abstract
Photobiomodulation (PBM) refers to the use of light to modulate cellular processes, and has demonstrated utility in improving wound healing outcomes, and reducing pain and inflammation. Despite the potential benefits of PBM, the precise molecular mechanisms through which it influences cell behavior are not yet well understood. Inconsistent reporting of key light parameters has created uncertainty around optimal exposure profiles. In addition, very low intensities of light, < 0.1 J/cm2, have not been thoroughly examined for their use in PBM. Here, we present a custom-made compact, and modular LED-based exposure system for studying the effects of very low-intensity visible light (cell proliferation, migration, ROS production, and mitochondrial membrane potential) of three different wavelengths in a parallel manner. The device allows for six repeats of three different exposure conditions plus a non-irradiated control on a single 24-well plate. The immortalised human keratinocyte cell line, HaCaT, was selected as a major cellular component of the skin epidermal barrier. Furthermore, an in vitro wound model was developed by allowing the HaCaT to form a confluent monolayer, then scratching the cells with a pipette tip to form a wound. Cells were exposed to yellow (585 nm, 0.09 mW, ~ 3.7 mJ/cm2), orange (610 nm, 0.8 mW, ~ 31 mJ/cm2), and red (660 nm, 0.8 mW, ~ 31 mJ/cm2) light for 10 min. 48 h post-irradiation, immunohistochemistry was performed to evaluate cell viability, proliferation, ROS production, and mitochondrial membrane potential. The results demonstrate increased proliferation and decreased scratch area for all exposure conditions, however only red light increased the mitochondrial activity. Oxidative stress levels did not increase for any of the exposures. The present exposure system provides opportunities to better understand the complex cellular mechanisms driven by the irradiation of skin cells with visible light.
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Affiliation(s)
- Emily Sutterby
- grid.1017.70000 0001 2163 3550School of Engineering, RMIT University, Melbourne, VIC Australia
| | - Chanly Chheang
- grid.1017.70000 0001 2163 3550School of Health and Biomedical Sciences, RMIT University, Bundoora, VIC Australia
| | - Peter Thurgood
- grid.1017.70000 0001 2163 3550School of Engineering, RMIT University, Melbourne, VIC Australia
| | - Khashayar Khoshmanesh
- grid.1017.70000 0001 2163 3550School of Engineering, RMIT University, Melbourne, VIC Australia
| | - Sara Baratchi
- grid.1017.70000 0001 2163 3550School of Health and Biomedical Sciences, RMIT University, Bundoora, VIC Australia
| | - Elena Pirogova
- grid.1017.70000 0001 2163 3550School of Engineering, RMIT University, Melbourne, VIC Australia
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47
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Gholami L, Afshar S, Arkian A, Saeidijam M, Hendi SS, Mahmoudi R, Khorsandi K, Hashemzehi H, Fekrazad R. NIR irradiation of human buccal fat pad adipose stem cells and its effect on TRP ion channels. Lasers Med Sci 2022; 37:3681-3692. [PMID: 36227520 DOI: 10.1007/s10103-022-03652-7] [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: 09/06/2021] [Accepted: 10/02/2022] [Indexed: 11/28/2022]
Abstract
The effect of near infrared (NIR) laser irradiation on proliferation and osteogenic differentiation of buccal fat pad-derived stem cells and the role of transient receptor potential (TRP) channels was investigated in the current research. After stem cell isolation, a 940 nm laser with 0.1 W, 3 J/cm2 was used in pulsed and continuous mode for irradiation in 3 sessions once every 48 h. The cells were cultured in the following groups: non-osteogenic differentiation medium/primary medium (PM) and osteogenic medium (OM) groups with laser-irradiated (L +), without irradiation (L -), laser treated + Capsazepine inhibitor (L + Cap), and laser treated + Skf96365 inhibitor (L + Skf). Alizarin Red staining and RT-PCR were used to assess osteogenic differentiation and evaluate RUNX2, Osterix, and ALP gene expression levels. The pulsed setting showed the best viability results (P < 0.05) and was used for osteogenic differentiation evaluations. The results of Alizarin red staining were not statistically different between the four groups. Osterix and ALP expression increased in the (L +) group. This upregulation abrogated in the presence of Capsazepine, TRPV1 inhibitor (L + Cap); however, no significant effect was observed with Skf96365 (L + Skf).
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Affiliation(s)
- Leila Gholami
- Department of Periodontics, Dental Implants Research Center, School of Dentistry, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Saeid Afshar
- Research Center for Molecular Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Aliasghar Arkian
- Dental Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Masood Saeidijam
- Research Center for Molecular Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Seyedeh Sareh Hendi
- Department of Endodontics, Dental Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Roghayeh Mahmoudi
- Research Center for Molecular Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Khatereh Khorsandi
- Department of Photodynamic, Medical Laser Research Center, Yara Institute, ACECR, Tehran, Iran.,Department of Biochemistry and Molecular Medicine, School of Medicine and Health Sciences, The George Washington University, Washington, DC, USA
| | - Hadi Hashemzehi
- Department of Oral and Maxillofacial Surgery, Dental Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Reza Fekrazad
- Radiation Sciences Research Center, Laser Research Center in Medical Sciences, AJA University of Medical Sciences, Tehran, Iran. .,International Network for Photo Medicine and Photo Dynamic Therapy (INPMPDT), Universal Scientific Education and Research Network (USERN), Tehran, Iran.
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48
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Yokomizo S, Roessing M, Morita A, Kopp T, Ogawa E, Katagiri W, Feil S, Huang PL, Atochin DN, Kashiwagi S. Near-infrared II photobiomodulation augments nitric oxide bioavailability via phosphorylation of endothelial nitric oxide synthase. FASEB J 2022; 36:e22490. [PMID: 35929438 PMCID: PMC9382775 DOI: 10.1096/fj.202101890r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 07/05/2022] [Accepted: 07/25/2022] [Indexed: 11/11/2022]
Abstract
There is solid evidence of the beneficial effect of photobiomodulation (PBM) with low-power near-infrared (NIR) light in the NIR-I window in increasing bioavailable nitric oxide (NO). However, it is not established whether this effect can be extended to NIR-II light, limiting broader applications of this therapeutic modality. Since we have demonstrated PBM with NIR laser in the NIR-II window, we determined the causal relationship between NIR-II irradiation and its specific biological effects on NO bioavailability. We analyzed the impact of NIR-II irradiation on NO release in cultured human endothelial cells using a NO-sensitive fluorescence probe and single-cell live imaging. Two distinct wavelengths of NIR-II laser (1064 and 1270 nm) and NIR-I (808 nm) at an irradiance of 10 mW/cm2 induced NO release from endothelial cells. These lasers also enhanced Akt phosphorylation at Ser 473, endothelial nitric oxide synthase (eNOS) phosphorylation at Ser 1177, and endothelial cell migration. Moreover, the NO release and phosphorylation of eNOS were abolished by inhibiting mitochondrial respiration, suggesting that Akt activation caused by NIR-II laser exposure involves mitochondrial retrograde signaling. Other inhibitors that inhibit known Akt activation pathways, including a specific inhibitor of PI3K, Src family PKC, did not affect this response. These two wavelengths of NIR-II laser induced no appreciable NO generation in cultured neuronal cells expressing neuronal NOS (nNOS). In short, NIR-II laser enhances bioavailable NO in endothelial cells. Since a hallmark of endothelial dysfunction is suppressed eNOS with concomitant NO deficiency, NIR-II laser technology could be broadly used to restore endothelial NO and treat or prevent cardiovascular diseases.
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Affiliation(s)
- Shinya Yokomizo
- Gordon Center for Medical Imaging, Department of Radiology, Massachusetts General Hospital, 149 13 Street, Charlestown, MA, 02129, USA
- Department of Radiological Science, Tokyo Metropolitan University, 7-2-10 Higashi-Ogu, Arakawa, Tokyo 116-8551, Japan
| | - Malte Roessing
- Interfaculty Institute of Biochemistry (IFIB), University of Tübingen, Auf der Morgenstelle 34, Tübingen 72076, Germany
- Cardiovascular Research Center, Department of Medicine, Massachusetts General Hospital, 149 13 Street, Charlestown, MA 02129, USA
| | - Atsuyo Morita
- Cardiovascular Research Center, Department of Medicine, Massachusetts General Hospital, 149 13 Street, Charlestown, MA 02129, USA
| | - Timo Kopp
- Interfaculty Institute of Biochemistry (IFIB), University of Tübingen, Auf der Morgenstelle 34, Tübingen 72076, Germany
- Cardiovascular Research Center, Department of Medicine, Massachusetts General Hospital, 149 13 Street, Charlestown, MA 02129, USA
| | - Emiyu Ogawa
- School of Allied Health Science, Kitasato University, 1-15-1 Kitasato Minami-ku Sagamihara, Kanagawa, Japan
| | - Wataru Katagiri
- Graduate School of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, Kanagawa 223-8522, Japan
| | - Susanne Feil
- Interfaculty Institute of Biochemistry (IFIB), University of Tübingen, Auf der Morgenstelle 34, Tübingen 72076, Germany
| | - Paul L. Huang
- Cardiovascular Research Center, Department of Medicine, Massachusetts General Hospital, 149 13 Street, Charlestown, MA 02129, USA
| | - Dmitriy N. Atochin
- Cardiovascular Research Center, Department of Medicine, Massachusetts General Hospital, 149 13 Street, Charlestown, MA 02129, USA
| | - Satoshi Kashiwagi
- Gordon Center for Medical Imaging, Department of Radiology, Massachusetts General Hospital, 149 13 Street, Charlestown, MA, 02129, USA
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Magalhães FDC, Ferraresi C. Photobiomodulation Therapy on the Treatment of Insulin Resistance: A Narrative Review. Photobiomodul Photomed Laser Surg 2022; 40:597-603. [DOI: 10.1089/photob.2022.0031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Flávio de Castro Magalhães
- Department of Physical Education, Federal University of the Jequitinhonha and Mucuri Valleys, Diamantina, Brazil
| | - Cleber Ferraresi
- Departament of Physical Therapy, Universidade Federal de São Carlos, São Carlos, Brazil
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50
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Bikmulina P, Kosheleva N, Shpichka A, Yusupov V, Gogvadze V, Rochev Y, Timashev P. Photobiomodulation in 3D tissue engineering. JOURNAL OF BIOMEDICAL OPTICS 2022; 27:090901. [PMID: 36104833 PMCID: PMC9473299 DOI: 10.1117/1.jbo.27.9.090901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Accepted: 08/28/2022] [Indexed: 06/15/2023]
Abstract
SIGNIFICANCE The method of photobiomodulation (PBM) has been used in medicine for a long time to promote anti-inflammation and pain-resolving processes in different organs and tissues. PBM triggers numerous cellular pathways including stimulation of the mitochondrial respiratory chain, alteration of the cytoskeleton, cell death prevention, increasing proliferative activity, and directing cell differentiation. The most effective wavelengths for PBM are found within the optical window (750 to 1100 nm), in which light can permeate tissues and other water-containing structures to depths of up to a few cm. PBM already finds its applications in the developing fields of tissue engineering and regenerative medicine. However, the diversity of three-dimensional (3D) systems, irradiation sources, and protocols intricate the PBM applications. AIM We aim to discuss the PBM and 3D tissue engineered constructs to define the fields of interest for PBM applications in tissue engineering. APPROACH First, we provide a brief overview of PBM and the timeline of its development. Then, we discuss the optical properties of 3D cultivation systems and important points of light dosimetry. Finally, we analyze the cellular pathways induced by PBM and outcomes observed in various 3D tissue-engineered constructs: hydrogels, scaffolds, spheroids, cell sheets, bioprinted structures, and organoids. RESULTS Our summarized results demonstrate the great potential of PBM in the stimulation of the cell survival and viability in 3D conditions. The strategies to achieve different cell physiology states with particular PBM parameters are outlined. CONCLUSIONS PBM has already proved itself as a convenient and effective tool to prevent drastic cellular events in the stress conditions. Because of the poor viability of cells in scaffolds and the convenience of PBM devices, 3D tissue engineering is a perspective field for PBM applications.
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Affiliation(s)
- Polina Bikmulina
- Sechenov First Moscow State Medical University, World-Class Research Center “Digital Biodesign and Personalized Healthcare”, Moscow, Russia
| | - Nastasia Kosheleva
- Sechenov First Moscow State Medical University, Institute for Regenerative Medicine, Moscow, Russia
- FSBSI Institute of General Pathology and Pathophysiology, Moscow, Russia
- Sechenov University, Laboratory of Clinical Smart Nanotechnologies, Moscow, Russia
| | - Anastasia Shpichka
- Sechenov First Moscow State Medical University, Institute for Regenerative Medicine, Moscow, Russia
- Sechenov University, Laboratory of Clinical Smart Nanotechnologies, Moscow, Russia
| | - Vladimir Yusupov
- Institute of Photon Technologies of FSRC “Crystallography and Photonics” RAS, Troitsk, Russia
| | - Vladimir Gogvadze
- Lomonosov Moscow State University, Faculty of Medicine, Moscow, Russia
- Karolinska Institutet, Institute of Environmental Medicine, Division of Toxicology, Stockholm, Sweden
| | - Yury Rochev
- National University of Ireland, Galway, Galway, Ireland
| | - Peter Timashev
- Sechenov First Moscow State Medical University, Institute for Regenerative Medicine, Moscow, Russia
- Sechenov University, Laboratory of Clinical Smart Nanotechnologies, Moscow, Russia
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