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Liu Y, Yang J, Jiang B, Zheng G, Wang Y. Low-energy LED red light inhibits the NF-κB pathway and promotes hPDLSCs proliferation and osteogenesis in a TNF-α environment in vitro. Lasers Med Sci 2023; 38:240. [PMID: 37851127 DOI: 10.1007/s10103-023-03880-5] [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: 12/21/2022] [Accepted: 09/11/2023] [Indexed: 10/19/2023]
Abstract
There are few studies on the effect of low-energy LED red light on periodontal tissue regeneration in an inflammatory environment. In this study, Cell Counting Kit-8 (CCK-8) assays were used to detect the effects of TNF-α at three different concentrations (0, 10 ng/ml, and 20 ng/ml) on the proliferation of human periodontal ligament stem cells (hPDLSCs), and 10 ng/ml was selected as the subsequent experimental stimulation concentration. CCK-8 assays were used to detect the effect of LED red light with energy density of 1 J/ cm2, 3 J/ cm2, and 5 J/cm2 on the proliferation of hPDLSCs. The promotion effect of energy density of 5 J/cm2 on the proliferation of hPDLSCS was the most obvious (p < 0.05). Set CON group, ODM group, ODM + 10 ng/ml TNF-α group, and ODM + 10 ng/ml TNF-α + 5 J/ cm2 LED red light group. Alkaline phosphatase staining and activity detection, alizarin red staining and calcium nodules quantitative detection of osteoblast differentiation products, real-time fluorescence quantitative PCR detection of osteoblast gene expression (Runx2, Col-I, OPN, OCN). The results showed that ODM showed the strongest osteoblast ability, followed by ODM + 10 ng/ml TNF-α + 5 J/ cm2 LED red light group. The osteoblast ability of ODM + 10 ng/ml TNF-α was decreased, but was not found in CON group. Western blot was used to detect the expression of NF-κB pathway protein and osteoblast-related proteins (Runx2, Col-I, OPN, OCN) after addition of PDTC inhibitor. The results showed that the expression of p-IκBα was increased and the expression of IκBα was decreased (p < 0.05). The expression of osteoblast protein increased after the addition of inhibitor (p < 0.05). Therefore, in an inflammatory environment constructed by 10 ng/ml TNF-α, 5 J/cm2 LED red light can upregulate the proliferation and osteogenesis of hPDLSCs by inhibiting NF-κB signaling pathway.
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Affiliation(s)
- Yuan Liu
- Institute of Stomatology, Southwest Medical University, Luzhou, 646000, China
- The Third Hospital of Mianyang, Department of Stomatology, Mianyang, 621000, China
- Sichuan Mental Health Center, Mianyang, 621000, China
| | - Juan Yang
- Oral & Maxillofacial Reconstruction and Regeneration of Luzhou Key Laboratory, Luzhou, 646000, China
- Chenjiaqiao Hospital of Shapingba District Chongqing, Chongqing, 400000, China
| | - Bing Jiang
- Oral & Maxillofacial Reconstruction and Regeneration of Luzhou Key Laboratory, Luzhou, 646000, China
- Dazhou Hospital of Integrated TCM & Western Medicine Hospital, Dazhou, 635000, China
| | - Genzi Zheng
- Oral & Maxillofacial Reconstruction and Regeneration of Luzhou Key Laboratory, Luzhou, 646000, China
- The Third Hospital of Yibin, Department of Stomatology, Yibin, 644000, China
| | - Yao Wang
- Institute of Stomatology, Southwest Medical University, Luzhou, 646000, China.
- Oral & Maxillofacial Reconstruction and Regeneration of Luzhou Key Laboratory, Luzhou, 646000, China.
- The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, 646000, China.
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Shinoda K, Suganami A, Moriya Y, Yamashita M, Tanaka T, Suzuki AS, Suito H, Akutsu Y, Saito K, Shinozaki Y, Isojima K, Nakamura N, Miyauchi Y, Shirasawa H, Matsubara H, Okamoto Y, Nakayama T, Tamura Y. Indocyanine green conjugated phototheranostic nanoparticle for photodiagnosis and photodynamic reaciton. Photodiagnosis Photodyn Ther 2022; 39:103041. [PMID: 35914696 DOI: 10.1016/j.pdpdt.2022.103041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 07/20/2022] [Accepted: 07/28/2022] [Indexed: 11/28/2022]
Abstract
BACKGROUND Phototheranostics represents a highly promising paradigm for cancer therapy, although selecting an appropriate optical imager and sensitizer for clinical use remains challenging. METHODS Liposomally formulated phospholipid-conjugated indocyanine green, denoted as LP-iDOPE, was developed as phototheranostic nanoparticle and its cancer imaging-mediated photodynamic reaction, defined as the immune response induced by photodynamic and photothermal effects, was evaluated with a near-infrared (NIR)-light emitting diode (LED) light irradiator. RESULTS Using in vivo NIR fluorescence imaging, we demonstrated that LP-iDOPE was selectively delivered to tumor sites with high accumulation and a long half-life. Following low-intensity NIR-LED light irradiation on the tumor region of LP-iDOPE accumulated, effector CD8+ T cells were activated at the secondary lymphoid organs, migrated, and subsequently released cytokines including interferon-γ and tumor necrosis factor-α, resulting in effective tumor regression. CONCLUSIONS Our anti-cancer strategy based on tumor-specific LP-iDOPE accumulation and low-intensity NIR-LED light irradiation to the tumor regions, i.e., photodynamic reaction, represents a promising approach to noninvasive cancer therapy.
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Affiliation(s)
- Kenta Shinoda
- Department of Immunology, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan
| | - Akiko Suganami
- Department of Bioinformatics, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan; Molecular Chirality Research Center, Chiba University, Chiba 263-8522, Japan
| | - Yasumitsu Moriya
- Department of General Thoracic Surgery, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan
| | - Masamichi Yamashita
- Department of Veterinary Clinical Medicine, School of Veterinary Medicine, Tottori University, Tottori 680-8553, Japan
| | - Tsutomu Tanaka
- Department of Veterinary Clinical Medicine, School of Veterinary Medicine, Tottori University, Tottori 680-8553, Japan
| | - Akane S Suzuki
- Department of Immunology, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan
| | - Hiroshi Suito
- Department of Frontier Surgery, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan
| | - Yasunori Akutsu
- Department of Frontier Surgery, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan
| | - Kengo Saito
- Department of Molecular Virology, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan
| | | | | | | | | | - Hiroshi Shirasawa
- Department of Molecular Virology, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan
| | - Hisahiro Matsubara
- Department of Frontier Surgery, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan
| | - Yoshiharu Okamoto
- Department of Veterinary Clinical Medicine, School of Veterinary Medicine, Tottori University, Tottori 680-8553, Japan
| | - Toshinori Nakayama
- Department of Immunology, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan
| | - Yutaka Tamura
- Department of Bioinformatics, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan; Molecular Chirality Research Center, Chiba University, Chiba 263-8522, Japan.
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Lai PS, Fierro C, Bravo L, Perez-Flores A. Benefits of Using Low-level Laser Therapy in the Rapid Maxillary Expansion: A Systematic Review. Int J Clin Pediatr Dent 2022; 14:S101-S106. [PMID: 35082475 PMCID: PMC8754280 DOI: 10.5005/jp-journals-10005-1966] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Aim and objective Determine the benefits of low-level laser therapy (LLLT) as a complement to rapid maxillary expansion (RME), through a systematic review. Background Transversal maxillary compression is a common skeletal problem that can be treated with different devices. This RME technique consists of the separation and regeneration of the midpalatal suture. Low-level laser therapy has been suggested to be able to accelerate bone healing after trauma or bone defects. Review results Thirty-two publications were found by electronic search during July to August of 2019 on Medline (PubMed) and Google Scholar, using the terms “Low-Level Laser”, “LLLT”, “Rapid Maxillary Expansion”, and “Osteogenesis Distraction”. Only 16 were used (2 systematic reviews, 6 articles on humans, and 8 on animals). Even though all the studies had different intervention protocols, they all revealed that LLLT has the effect of accelerating bone regeneration after RME. Conclusion The use of LLLT as a complement to RME has shown promising results with cellular biostimulation, promoting angiogenesis and bone regeneration of the midpalatal suture. Clinical significance This study provides scientific evidence of the benefits of using LLLT as a complement to RME during orthopedic and orthodontic treatments, accelerating bone regeneration and reducing the time of consolidation of the maxillary. How to cite this article Lai P-S, Fierro C, Bravo L, et al. Benefits of Using Low-level Laser Therapy in the Rapid Maxillary Expansion: A Systematic Review. Int J Clin Pediatr Dent 2021;14(S-1):S101–S106.
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Affiliation(s)
- Pi-Shan Lai
- Department of Pediatric Dentistry, Universidad de Concepcion, Concepcion, Bio Bio, Chile
| | - Claudia Fierro
- Department of Pediatric Dentistry, Universidad de Concepcion, Concepcion, Bio Bio, Chile
| | - Lorena Bravo
- Department of Pediatric Dentistry, Universidad de Concepcion, Concepcion, Bio Bio, Chile
| | - Antonieta Perez-Flores
- Department of Pediatric Dentistry, Universidad de Concepcion, Concepcion, Bio Bio, Chile
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Eslamian L, Ebadifar A, Mohebbi Rad M, Motamedian SR, Badiee MR, Mohammad Rahimi H, Farahani MH. Comparison of Single and Multiple Low-Level Laser Applications After Rapid Palatal Expansion on Bone Regeneration in Rats. J Lasers Med Sci 2021; 11:S37-S42. [PMID: 33995967 DOI: 10.34172/jlms.2020.s6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Introduction: This study was performed to compare the effects of single and multiple irradiations of low-level laser therapy (LLLT) on bone regeneration in a mid-palatal suture following rapid palatal expansion (RPE). Methods: In this animal study, 40 male Wistar rats underwent RPE for 7 days and were divided into 4 groups including A: single LLLT on day 7, B: Multiple LLLT on days 7, 9, 11, 13 and 15, C: control (no LLLT), and D: sacrificed on day 7. Animals in group D were used to determine the amount of suture expansion. LLLT was done by a diode laser set at an 808 nm wavelength with a useful power output of 100 mW and duration of 0.1 ms. LLLT was applied to three points. After three weeks of retention, the rats were sacrificed and beheaded and the maxilla was evaluated by occlusal radiography, µ-CT, and histomorphometric analyses. A comparison of the mean measurements between the groups was performed using ANOVA and the Tukey post hoc test. Results: Based on occlusal radiography and µCT, bone density in group B was significantly higher than group A and group C (P<0.05). There was no significant difference in bone density between group A and group C (P>0.05). Mean suture width (MSW) in group B was significantly lesser than the control group (P=0.027) while there was no significant difference between MSWnin groups A and B (P=0.116) and groups A and C (P=0.317). Conclusion: It may be concluded that multiple low-power laser irradiation improves bone regeneration after RPE while single irradiation does not have a positive effect.
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Affiliation(s)
- Ladan Eslamian
- Dental Research Center, Research Institute of Dental Sciences, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Aliasghar Ebadifar
- Dentofacial Deformities Research Center, Research Institute of Dental Sciences, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Saeed Reza Motamedian
- Department of Orthodontics, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Reza Badiee
- Department of Orthodontics, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hossein Mohammad Rahimi
- Dental Research Center, Research Institute of Dental Sciences, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Hosein Farahani
- Dental Research Center, Research Institute of Dental Sciences, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Pirmoradian M, Safiaghdam H, Nokhbatolfoghahaei H, Ashnagar S, Fekrazad R. Effect of Photobiomodulation on Relapse in an Experimental Rapid Maxillary Expansion Model in Rat. Photochem Photobiol 2020; 97:634-640. [PMID: 33294968 DOI: 10.1111/php.13365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2020] [Revised: 10/19/2020] [Accepted: 11/30/2020] [Indexed: 11/27/2022]
Abstract
Rapid maxillary expansion (RME) is performed on transversely deficient maxilla. As all orthodontic treatments, retention is important in maintaining therapeutic outcomes. Fixed /removable retainers are used post-RME causing hygiene and compliance problems. Given photobiomodulation's positive effects on the quantity and quality of bone regeneration, its effect on post-RME relapse was studied. Thirty Sprague Dawley rats were randomly divided into group R, non-irradiated RME-treated (n = 12), group P, irradiated RME-treated (n = 12) and group C, non-RME non-irradiated (n = 6). A 1.5 mm metal ring inserted between maxillary incisors at days 0 and 15 was expanded until 1.5 mm space was obtained at day 30. In group P, Ga-Al-As diode laser (810 nm, 100 mW, 4J/cm2 , 30 secs) was applied on days 0, 2, 4, 6, 8, 10, 12 and 14 as predictor variable. The relapse was measured as the space lost between incisors for 30 days after appliance removal (primary outcome variable) and compared with t-test. In week 2, space loss in group P was significantly lower (P < 0.05) than all other groups. The relapse during weeks 2 and 3 was significantly lower in group P than group R. However, no significant difference in relapse amount was found between groups during first and fourth week. There was a significant difference (P < 0.05) between groups in relapse rates (secondary outcome variable) but not in total relapse after 4 weeks. Photobiomodulation proved beneficial in resisting relapse in our study, and it is suggested to be continued until the end of expansion.
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Affiliation(s)
- Maryam Pirmoradian
- Department of Dental Biomaterials, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran.,Research Center for Science and Technology in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Hannaneh Safiaghdam
- Student Research Commitee, Dental School, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hanieh Nokhbatolfoghahaei
- Dental Research Center, Research Institute of Dental Sciences, Shahid Beheshti University of Medical Sciences, Tehran, 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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Abstract
Photobiomodulation (PBM) is a treatment method based on research findings showing that irradiation with certain wavelengths of red or near-infrared light has been shown to produce a range of physiological effects in cells, tissues, animals and humans. Scientific research into PBM was initially started in the late 1960s by utilizing the newly invented (1960) lasers, and the therapy rapidly became known as "low-level laser therapy". It was mainly used for wound healing and reduction of pain and inflammation. Despite other light sources being available during the first 40 years of PBM research, lasers remained by far the most commonly employed device, and in fact, some authors insisted that lasers were essential to the therapeutic benefit. Collimated, coherent, highly monochromatic beams with the possibility of high power densities were considered preferable. However in recent years, non-coherent light sources such as light-emitting diodes (LEDs) and broad-band lamps have become common. Advantages of LEDs include no laser safety considerations, ease of home use, ability to irradiate a large area of tissue at once, possibility of wearable devices, and much lower cost per mW. LED photobiomodulation is here to stay.
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Affiliation(s)
| | - Michael R Hamblin
- Wellman Center for Photomedicine, Massachusetts General Hospital, Boston, MA 02114, USA and Department of Dermatology, Harvard Medical School, Boston, MA 02115, USA and Harvard-MIT Division of Health Sciences and Technology, Cambridge, MA 02139, USA.
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Heiskanen V, Hamblin MR. Photobiomodulation: lasers vs. light emitting diodes? Photochem Photobiol Sci 2018; 17:1003-1017. [PMID: 30044464 PMCID: PMC6091542 DOI: 10.1039/c8pp90049c] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Photobiomodulation (PBM) is a treatment method based on research findings showing that irradiation with certain wavelengths of red or near-infrared light has been shown to produce a range of physiological effects in cells, tissues, animals and humans. Scientific research into PBM was initially started in the late 1960s by utilizing the newly invented (1960) lasers, and the therapy rapidly became known as "low-level laser therapy". It was mainly used for wound healing and reduction of pain and inflammation. Despite other light sources being available during the first 40 years of PBM research, lasers remained by far the most commonly employed device, and in fact, some authors insisted that lasers were essential to the therapeutic benefit. Collimated, coherent, highly monochromatic beams with the possibility of high power densities were considered preferable. However in recent years, non-coherent light sources such as light-emitting diodes (LEDs) and broad-band lamps have become common. Advantages of LEDs include no laser safety considerations, ease of home use, ability to irradiate a large area of tissue at once, possibility of wearable devices, and much lower cost per mW. LED photobiomodulation is here to stay.
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Affiliation(s)
| | - Michael R Hamblin
- Wellman Center for Photomedicine, Massachusetts General Hospital, Boston, MA 02114, USA and Department of Dermatology, Harvard Medical School, Boston, MA 02115, USA and Harvard-MIT Division of Health Sciences and Technology, Cambridge, MA 02139, USA.
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Skondra FG, Koletsi D, Eliades T, Farmakis ETR. The Effect of Low-Level Laser Therapy on Bone Healing After Rapid Maxillary Expansion: A Systematic Review. Photomed Laser Surg 2018; 36:61-71. [DOI: 10.1089/pho.2017.4278] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
| | - Despina Koletsi
- Clinic of Orthodontics and Paediatric Dentistry, Center of Dental Medicine, University of Zurich, Zurich, Switzerland
| | - Theodore Eliades
- Clinic of Orthodontics and Paediatric Dentistry, Center of Dental Medicine, University of Zurich, Zurich, Switzerland
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Effect of non-coherent infrared light (LED, λ945 ± 20 nm) on bone repair in diabetic rats—morphometric and spectral analyses. Lasers Med Sci 2017; 32:1041-1049. [DOI: 10.1007/s10103-017-2205-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2016] [Accepted: 03/29/2017] [Indexed: 11/25/2022]
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10
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Effects of low-level laser therapy on bone regeneration of the midpalatal suture after rapid maxillary expansion. Lasers Med Sci 2016; 31:907-13. [DOI: 10.1007/s10103-016-1933-8] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Accepted: 03/28/2016] [Indexed: 10/22/2022]
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Altan AB, Bicakci AA, Avunduk MC, Esen H. The effect of dosage on the efficiency of LLLT in new bone formation at the expanded suture in rats. Lasers Med Sci 2014; 30:255-62. [DOI: 10.1007/s10103-014-1645-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2014] [Accepted: 08/27/2014] [Indexed: 11/25/2022]
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