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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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2
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Ninmer EK, Zhu H, Chianese-Bullock KA, von Mehren M, Haas NB, Ross MI, Dengel LT, Slingluff CL. Multipeptide vaccines for melanoma in the adjuvant setting: long-term survival outcomes and post-hoc analysis of a randomized phase II trial. Nat Commun 2024; 15:2570. [PMID: 38519525 PMCID: PMC10959948 DOI: 10.1038/s41467-024-46877-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Accepted: 03/13/2024] [Indexed: 03/25/2024] Open
Abstract
The critical roles of CD4+ T cells have been understudied for cancer vaccines. Here we report long-term clinical outcomes of a randomized multicenter phase II clinical trial (NCT00118274), where patients with high-risk melanoma received a multipeptide vaccine targeting CD8+ T cells (12MP) and were randomized to receive either of two vaccines for CD4+ (helper) T cells: 6MHP (6 melanoma-specific helper peptides), or tet (a nonspecific helper peptide from tetanus toxoid). Cyclophosphamide (Cy) pre-treatment was also assessed. Primary outcomes for T cell responses to 12MP, 6MHP, and tet were previously reported, suggesting immunogenicity of both vaccines but that CD8 T cell responses to 12MP were lower when tet was replaced with 6MHP. Here, in post-hoc analyses, we report durable prolongation of overall survival by adding 6MHP instead of tet. That benefit was experienced only by male patients. A favorable interaction of 6MHP and Cy is also suggested. Multivariable Cox regression analysis of the intent-to-treat population identify vaccine arm (12MP + 6MHP+Cy) and patient sex (male) as the two significant predictors of enhanced survival. These findings support the value of adding cognate T cell help to cancer vaccines and also suggest a need to assess the impact of patient sex on immune therapy outcomes.
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Affiliation(s)
- Emily K Ninmer
- Department of Surgery/Division of Surgical Oncology and the Human Immune Therapy Center, Cancer Center, University of Virginia, Charlottesville, VA, USA
| | - Hong Zhu
- Department of Public Health Sciences, University of Virginia, Charlottesville, VA, USA
- University of Virginia, School of Medicine, Cancer Center, Charlottesville, VA, USA
| | - Kimberly A Chianese-Bullock
- Department of Surgery/Division of Surgical Oncology and the Human Immune Therapy Center, Cancer Center, University of Virginia, Charlottesville, VA, USA
- University of Virginia, School of Medicine, Cancer Center, Charlottesville, VA, USA
| | | | - Naomi B Haas
- Fox Chase Cancer Center, Philadelphia, PA, USA
- University of Pennsylvania, Philadelphia, PA, USA
| | - Merrick I Ross
- Department of Surgical Oncology, MD Anderson Cancer Center, Houston, TX, USA
| | - Lynn T Dengel
- Department of Surgery/Division of Surgical Oncology and the Human Immune Therapy Center, Cancer Center, University of Virginia, Charlottesville, VA, USA
| | - Craig L Slingluff
- Department of Surgery/Division of Surgical Oncology and the Human Immune Therapy Center, Cancer Center, University of Virginia, Charlottesville, VA, USA.
- University of Virginia, School of Medicine, Cancer Center, Charlottesville, VA, USA.
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3
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Zhang Z, Zhu Z, Zuo X, Wang X, Ju C, Liang Z, Li K, Zhang J, Luo L, Ma Y, Song Z, Li X, Li P, Quan H, Huang P, Yao Z, Yang N, Zhou J, Kou Z, Chen B, Ding T, Wang Z, Hu X. Photobiomodulation reduces neuropathic pain after spinal cord injury by downregulating CXCL10 expression. CNS Neurosci Ther 2023; 29:3995-4017. [PMID: 37475184 PMCID: PMC10651991 DOI: 10.1111/cns.14325] [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: 01/19/2023] [Revised: 06/07/2023] [Accepted: 06/10/2023] [Indexed: 07/22/2023] Open
Abstract
BACKGROUND Many studies have recently highlighted the role of photobiomodulation (PBM) in neuropathic pain (NP) relief after spinal cord injury (SCI), suggesting that it may be an effective way to relieve NP after SCI. However, the underlying mechanisms remain unclear. This study aimed to determine the potential mechanisms of PBM in NP relief after SCI. METHODS We performed systematic observations and investigated the mechanism of PBM intervention in NP in rats after SCI. Using transcriptome sequencing, we screened CXCL10 as a possible target molecule for PBM intervention and validated the results in rat tissues using reverse transcription-polymerase chain reaction and western blotting. Using immunofluorescence co-labeling, astrocytes and microglia were identified as the cells responsible for CXCL10 expression. The involvement of the NF-κB pathway in CXCL10 expression was verified using inhibitor pyrrolidine dithiocarbamate (PDTC) and agonist phorbol-12-myristate-13-acetate (PMA), which were further validated by an in vivo injection experiment. RESULTS Here, we demonstrated that PBM therapy led to an improvement in NP relative behaviors post-SCI, inhibited the activation of microglia and astrocytes, and decreased the expression level of CXCL10 in glial cells, which was accompanied by mediation of the NF-κB signaling pathway. Photobiomodulation inhibit the activation of the NF-κB pathway and reduce downstream CXCL10 expression. The NF-κB pathway inhibitor PDTC had the same effect as PBM on improving pain in animals with SCI, and the NF-κB pathway promoter PMA could reverse the beneficial effect of PBM. CONCLUSIONS Our results provide new insights into the mechanisms by which PBM alleviates NP after SCI. We demonstrated that PBM significantly inhibited the activation of microglia and astrocytes and decreased the expression level of CXCL10. These effects appear to be related to the NF-κB signaling pathway. Taken together, our study provides evidence that PBM could be a potentially effective therapy for NP after SCI, CXCL10 and NF-kB signaling pathways might be critical factors in pain relief mediated by PBM after SCI.
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Affiliation(s)
- Zhihao Zhang
- Department of OrthopedicsXijing Hospital, Air Force Military Medical UniversityXi'anShaanxiChina
| | - Zhijie Zhu
- Department of OrthopedicsXijing Hospital, Air Force Military Medical UniversityXi'anShaanxiChina
| | - Xiaoshuang Zuo
- Department of OrthopedicsXijing Hospital, Air Force Military Medical UniversityXi'anShaanxiChina
| | - Xuankang Wang
- Department of OrthopedicsXijing Hospital, Air Force Military Medical UniversityXi'anShaanxiChina
| | - Cheng Ju
- Department of OrthopedicsXijing Hospital, Air Force Military Medical UniversityXi'anShaanxiChina
| | - Zhuowen Liang
- Department of OrthopedicsXijing Hospital, Air Force Military Medical UniversityXi'anShaanxiChina
| | - Kun Li
- Department of OrthopedicsXijing Hospital, Air Force Military Medical UniversityXi'anShaanxiChina
| | - Jiawei Zhang
- Department of OrthopedicsXijing Hospital, Air Force Military Medical UniversityXi'anShaanxiChina
| | - Liang Luo
- Department of OrthopedicsXijing Hospital, Air Force Military Medical UniversityXi'anShaanxiChina
| | - Yangguang Ma
- Department of OrthopedicsXijing Hospital, Air Force Military Medical UniversityXi'anShaanxiChina
| | - Zhiwen Song
- Department of OrthopedicsXijing Hospital, Air Force Military Medical UniversityXi'anShaanxiChina
| | - Xin Li
- Department of OrthopedicsXijing Hospital, Air Force Military Medical UniversityXi'anShaanxiChina
- 967 Hospital of People's Liberation Army Joint Logistic Support ForceDalianLiaoningChina
| | - Penghui Li
- Department of OrthopedicsXijing Hospital, Air Force Military Medical UniversityXi'anShaanxiChina
| | - Huilin Quan
- Department of OrthopedicsXijing Hospital, Air Force Military Medical UniversityXi'anShaanxiChina
| | - Peipei Huang
- Department of OrthopedicsXijing Hospital, Air Force Military Medical UniversityXi'anShaanxiChina
| | - Zhou Yao
- Department of OrthopedicsXijing Hospital, Air Force Military Medical UniversityXi'anShaanxiChina
| | - Ning Yang
- Department of OrthopedicsXijing Hospital, Air Force Military Medical UniversityXi'anShaanxiChina
| | - Jie Zhou
- Department of OrthopedicsXijing Hospital, Air Force Military Medical UniversityXi'anShaanxiChina
| | - Zhenzhen Kou
- Department of Anatomy, Histology and Embryology, School of Basic MedicineAir Force Military Medical UniversityXi'anShaanxiChina
| | - Beiyu Chen
- Department of OrthopedicsXijing Hospital, Air Force Military Medical UniversityXi'anShaanxiChina
| | - Tan Ding
- Department of OrthopedicsXijing Hospital, Air Force Military Medical UniversityXi'anShaanxiChina
| | - Zhe Wang
- Department of OrthopedicsXijing Hospital, Air Force Military Medical UniversityXi'anShaanxiChina
| | - Xueyu Hu
- Department of OrthopedicsXijing Hospital, Air Force Military Medical UniversityXi'anShaanxiChina
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Nakatani A, Kunimatsu R, Tsuka Y, Sakata S, Ito S, Kado I, Putranti NAR, Terayama R, Tanimoto K. High-frequency near-infrared semiconductor laser irradiation suppressed experimental tooth movement-induced inflammatory pain markers in the periodontal ligament tissues of rats. Lasers Med Sci 2023; 38:109. [PMID: 37081363 DOI: 10.1007/s10103-023-03761-x] [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: 06/24/2022] [Accepted: 04/05/2023] [Indexed: 04/22/2023]
Abstract
High-frequency near-infrared (NIR) semiconductor laser-irradiation has an unclear effect on nociception in the compressed lateral periodontal ligament region, a peripheral nerve region. This study aimed to investigate the effects of NIR semiconductor laser irradiation, with a power of 120 J, on inflammatory pain markers and neuropeptides induced in the compressed lateral periodontal ligament area during ETM. A NIR semiconductor laser [910 nm wavelength, 45 W maximum output power, 300 mW average output power, 30 kHz frequency, and 200 ns pulse width (Lumix 2; Fisioline, Verduno, Italy)] was used. A nickel-titanium closed coil that generated a 50-g force was applied to the maxillary left-side first molars and incisors in 7-week-old Sprague-Dawley (280-300 g) rats to induce experimental tooth movement (ETM) for 24 h. Ten rats were divided into two groups (ETM + laser, n = 5; ETM, n = 5). The right side of the ETM group (i.e., the side without induced ETM) was evaluated as the untreated group. We performed immunofluorescent histochemistry analysis to quantify the interleukin (IL)-1β, cyclooxygenase-2 (COX2), prostaglandin E2 (PGE2), and neuropeptide [calcitonin gene-related peptide (CGRP)] expression in the compressed region of the periodontal tissue. Post-hoc Tukey-Kramer tests were used to compare the groups. Compared with the ETM group, the ETM + laser group showed significant suppression in IL-1β (176.2 ± 12.3 vs. 310.8 ± 29.5; P < 0.01), PGE2 (104.4 ± 14.34 vs. 329.6 ± 36.52; P < 0.01), and CGRP (36.8 ± 4.88 vs. 78.0 ± 7.13; P < 0.01) expression. High-frequency NIR semiconductor laser irradiation exerts significant effects on ETM-induced inflammation. High-frequency NIR semiconductor laser irradiation can reduce periodontal inflammation during orthodontic tooth movement.
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Affiliation(s)
- Ayaka Nakatani
- Department of Orthodontics and Craniofacial Developmental Biology, Hiroshima University Graduate School of Biomedical Sciences, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8553, Japan
| | - Ryo Kunimatsu
- Department of Orthodontics and Craniofacial Developmental Biology, Hiroshima University Graduate School of Biomedical Sciences, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8553, Japan.
| | - Yuji Tsuka
- Department of Orthodontics and Craniofacial Developmental Biology, Hiroshima University Graduate School of Biomedical Sciences, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8553, Japan
| | - Shuzo Sakata
- Department of Orthodontics and Craniofacial Developmental Biology, Hiroshima University Graduate School of Biomedical Sciences, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8553, Japan
| | - Shota Ito
- Department of Orthodontics and Craniofacial Developmental Biology, Hiroshima University Graduate School of Biomedical Sciences, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8553, Japan
| | - Isamu Kado
- Department of Orthodontics and Craniofacial Developmental Biology, Hiroshima University Graduate School of Biomedical Sciences, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8553, Japan
| | - Nurul Aisyah Rizky Putranti
- Department of Orthodontics and Craniofacial Developmental Biology, Hiroshima University Graduate School of Biomedical Sciences, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8553, Japan
| | - Ryuji Terayama
- Department of Maxillofacial Anatomy and Neuroscience, Graduate School of Biomedical & Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Kotaro Tanimoto
- Department of Orthodontics and Craniofacial Developmental Biology, Hiroshima University Graduate School of Biomedical Sciences, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8553, Japan
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5
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Berni M, Brancato AM, Torriani C, Bina V, Annunziata S, Cornella E, Trucchi M, Jannelli E, Mosconi M, Gastaldi G, Caliogna L, Grassi FA, Pasta G. The Role of Low-Level Laser Therapy in Bone Healing: Systematic Review. Int J Mol Sci 2023; 24:ijms24087094. [PMID: 37108257 PMCID: PMC10139216 DOI: 10.3390/ijms24087094] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 04/06/2023] [Accepted: 04/10/2023] [Indexed: 04/29/2023] Open
Abstract
Low-level laser therapy (LLLT) is a treatment that is increasingly used in orthopedics practices. In vivo and in vitro studies have shown that low-level laser therapy (LLLT) promotes angiogenesis, fracture healing and osteogenic differentiation of stem cells. However, the underlying mechanisms during bone formation remain largely unknown. Factors such as wavelength, energy density, irradiation and frequency of LLLT can influence the cellular mechanisms. Moreover, the effects of LLLT are different according to cell types treated. This review aims to summarize the current knowledge of the molecular pathways activated by LLLT and its effects on the bone healing process. A better understanding of the cellular mechanisms activated by LLLT can improve its clinical application.
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Affiliation(s)
- Micaela Berni
- Orthopedics and Traumatology Clinic, IRCCS Policlinico San Matteo Foundation, 27100 Pavia, Italy
| | - Alice Maria Brancato
- Orthopedics and Traumatology Clinic, IRCCS Policlinico San Matteo Foundation, 27100 Pavia, Italy
| | - Camilla Torriani
- Orthopedics and Traumatology Clinic, IRCCS Policlinico San Matteo Foundation, 27100 Pavia, Italy
| | - Valentina Bina
- Department of Molecular Medicine, University of Pavia, 27100 Pavia, Italy
| | - Salvatore Annunziata
- Orthopedics and Traumatology Clinic, IRCCS Policlinico San Matteo Foundation, 27100 Pavia, Italy
| | - Elena Cornella
- Orthopedics and Traumatology Clinic, IRCCS Policlinico San Matteo Foundation, 27100 Pavia, Italy
| | - Michelangelo Trucchi
- Orthopedics and Traumatology Clinic, IRCCS Policlinico San Matteo Foundation, 27100 Pavia, Italy
| | - Eugenio Jannelli
- Orthopedics and Traumatology Clinic, IRCCS Policlinico San Matteo Foundation, 27100 Pavia, Italy
| | - Mario Mosconi
- Orthopedics and Traumatology Clinic, IRCCS Policlinico San Matteo Foundation, 27100 Pavia, Italy
| | - Giulia Gastaldi
- Department of Molecular Medicine, University of Pavia, 27100 Pavia, Italy
- Centre for Health Technologies, University of Pavia, 27100 Pavia, Italy
| | - Laura Caliogna
- Orthopedics and Traumatology Clinic, IRCCS Policlinico San Matteo Foundation, 27100 Pavia, Italy
| | - Federico Alberto Grassi
- Orthopedics and Traumatology Clinic, IRCCS Policlinico San Matteo Foundation, 27100 Pavia, Italy
- Centre for Health Technologies, University of Pavia, 27100 Pavia, Italy
- Department of Clinical, Surgical, Diagnostic and Pediatric Sciences, University of Pavia, 27100 Pavia, Italy
| | - Gianluigi Pasta
- Orthopedics and Traumatology Clinic, IRCCS Policlinico San Matteo Foundation, 27100 Pavia, Italy
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High-Intensity Red Light-Emitting Diode Irradiation Suppresses the Inflammatory Response of Human Periodontal Ligament Stem Cells by Promoting Intracellular ATP Synthesis. Life (Basel) 2022; 12:life12050736. [PMID: 35629403 PMCID: PMC9144579 DOI: 10.3390/life12050736] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 05/12/2022] [Accepted: 05/12/2022] [Indexed: 12/30/2022] Open
Abstract
Periodontitis is an inflammatory lesion in the periodontal tissue. The behavior of human periodontal ligament stem cells (hPDLSCs), which play an important role in periodontal tissue regeneration, is restricted by the influence of inflammatory mediators. Photobiomodulation therapy exerts anti-inflammatory effects. The purpose of this study was to investigate the effects of light-emitting diode (LED) irradiation on the inflammatory responses of hPDLSCs. The light source was a red LED (peak wavelength: 650 nm), and the total absolute irradiance was 400 mW/cm2. The inflammatory response in hPDLSCs is induced by tumor necrosis factor (TNF)-α. Adenosine triphosphate (ATP) levels and pro-inflammatory cytokine (interleukin [IL]-6 and IL-8) production were measured 24 h after LED irradiation, and the effects of potassium cyanide (KCN) were investigated. LED irradiation at 6 J/cm2 significantly increased the ATP levels and reduced TNF-α-induced IL-6 and IL-8 production. Furthermore, the inhibitory effect of LED irradiation on the production of pro-inflammatory cytokines was inhibited by KCN treatment. The results of this study showed that high-intensity red LED irradiation suppressed the TNF-α-stimulated pro-inflammatory cytokine production in hPDLSCs by promoting ATP synthesis. These results suggest that high-intensity red LED is a useful tool for periodontal tissue regeneration in chronically inflamed tissues.
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Gholami L, Khorsandi K, Taghdiri Nooshabadi V, Shahabi S, Jazaeri M, Esfahani H, Rabiei Faradonbeh D, Veisi Malekshahi Z, Afsartala Z, Mostafa N. Effect of Photobiomodulation on Structure and Function of Extracellular Vesicle Secreted from Mesenchymal Stem Cells. Photochem Photobiol 2022; 98:1447-1458. [DOI: 10.1111/php.13633] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Revised: 04/02/2022] [Accepted: 04/03/2022] [Indexed: 11/28/2022]
Affiliation(s)
- Leila Gholami
- Department of periodontics, Dental Research Center Hamadan University of Medical Sciences Hamadan Iran
- Department of Oral Biological and Medical Sciences, Faculty of Dentistry University of British Columbia Canada
| | - 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 20037 USA
| | - Vajihe Taghdiri Nooshabadi
- Department of Tissue Engineering and Applied Cell Sciences, School of Medicine Semnan University of Medical Science Iran
| | - Shiva Shahabi
- Student Research Committee, School of Dentistry Hamadan University of Medical Sciences Iran
| | - Marzieh Jazaeri
- Student Research Committee, School of Dentistry Hamadan University of Medical Sciences Iran
| | - HomaSadat Esfahani
- Department of Photodynamic, Medical Laser Research Center Yara Institute ACECR Tehran Iran
| | - Davood Rabiei Faradonbeh
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine Tehran University of Medical Sciences Tehran Iran
| | - Ziba Veisi Malekshahi
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine Tehran University of Medical Sciences Tehran Iran
| | - Zohreh Afsartala
- Brain and Spinal Cord Injury Research Center, Neuroscience Institute Tehran University of Medical Science Tehran Iran
| | - Nesrine Mostafa
- Department of Oral Health Sciences, Faculty of Dentistry University of British Columbia Canada
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8
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Nakayama E, Kushibiki T, Mayumi Y, Azuma R, Ishihara M, Kiyosawa T. Blue Laser Irradiation Decreases the ATP Level in Mouse Skin and Increases the Production of Superoxide Anion and Hypochlorous Acid in Mouse Fibroblasts. BIOLOGY 2022; 11:biology11020301. [PMID: 35205166 PMCID: PMC8869339 DOI: 10.3390/biology11020301] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 01/24/2022] [Accepted: 02/10/2022] [Indexed: 12/16/2022]
Abstract
Simple Summary Photobiomodulation studies have reported that blue light irradiation induces the production of reactive oxygen species. We examined the effect of blue laser (405 nm) irradiation on ATP level in the skin and measured the types of reactive oxygen species and reactive nitrogen species. The decrease in the skin ATP level due to blue light irradiation may be caused by oxidative stress due to the generation of reactive oxygen species. These findings highlight the need to consider the effects on the skin when performing photobiomodulation treatment using blue light. Abstract Photobiomodulation studies have reported that blue light irradiation induces the production of reactive oxygen species. We investigated the effect of blue laser (405 nm) irradiation on the ATP levels in mouse skin and determined the types of reactive oxygen species and reactive nitrogen species using cultured mouse fibroblasts. Blue laser irradiation caused a decrease in the ATP level in the mouse skin and triggered the generation of superoxide anion and hypochlorous acid, whereas nitric oxide and peroxynitrite were not detected. Moreover, blue laser irradiation resulted in reduced cell viability. It is believed that the decrease in the skin ATP level due to blue light irradiation results from the increased levels of oxidative stress due to the generation of reactive oxygen species. This method of systematically measuring the levels of reactive oxygen species and reactive nitrogen species may be useful for understanding the effects of irradiation conditions.
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Affiliation(s)
- Eiko Nakayama
- Department of Plastic Surgery, National Defense Medical College, Saitama 3598513, Japan; (R.A.); (T.K.)
- Correspondence: ; Tel.: +81-4-2995-1596
| | - Toshihiro Kushibiki
- Department of Medical Engineering, National Defense Medical College, Saitama 3598513, Japan; (T.K.); (Y.M.); (M.I.)
| | - Yoshine Mayumi
- Department of Medical Engineering, National Defense Medical College, Saitama 3598513, Japan; (T.K.); (Y.M.); (M.I.)
| | - Ryuichi Azuma
- Department of Plastic Surgery, National Defense Medical College, Saitama 3598513, Japan; (R.A.); (T.K.)
| | - Miya Ishihara
- Department of Medical Engineering, National Defense Medical College, Saitama 3598513, Japan; (T.K.); (Y.M.); (M.I.)
| | - Tomoharu Kiyosawa
- Department of Plastic Surgery, National Defense Medical College, Saitama 3598513, Japan; (R.A.); (T.K.)
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Tsai CM, Chang SF, Li CC, Chang H. Transcranial photobiomodulation (808 nm) attenuates pentylenetetrazole-induced seizures by suppressing hippocampal neuroinflammation, astrogliosis, and microgliosis in peripubertal rats. NEUROPHOTONICS 2022; 9:015006. [PMID: 35345494 PMCID: PMC8955735 DOI: 10.1117/1.nph.9.1.015006] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Accepted: 01/19/2022] [Indexed: 06/14/2023]
Abstract
Significance: Transcranial photobiomodulation (tPBM) at 808 nm attenuates pentylenetetrazole (PTZ)-induced seizures and convulsive status epilepticus (CSE) in peripubertal rats by protecting neurons from injury and parvalbumin-positive interneurons from apoptosis, and preserving the integrity of perisomatic inhibitory networks. However, the effects of tPBM on neuroinflammation, astrogliosis, and microgliosis in epileptic rat brains are unknown. Thus, further study to unveil these aspects is needed for understanding the phenomena of tPBM on pediatric CSE prevention. Aim: To evaluate the effects of tPBM on neuroinflammation, astrogliosis, and microgliosis in peripubertal rat hippocampus with PTZ-induced seizures and SE. Approach: An 808-nm diode laser was applied transcranially to peripubertal rats prior to PTZ injection. Immunofluorescence staining of neuron-specific enolase (NSE) was used as a marker of neuroinflammation, glial fibrillary acid protein (GFAP) for astrogliosis, ionized calcium-binding adapter molecule 1 (Iba-1) for microgliosis, and mitochondrial cytochrome c oxidase subunit 1 (MT-CO1) for confirming the involvement of cytochrome c oxidase (CCO). Results: tPBM significantly reduced NSE immunoreactivity in CA3 in PTZ-treated rats, GFAP immunoreactivity in CA1, and Iba-1 immunoreactivity in CA3. Enhancement of hippocampal MT-CO1 reflected that tPBM acted in CCO-dependent manner. Conclusions: tPBM (808) attenuated PTZ-induced seizures and SE by suppressing neuroinflammation, astrogliosis, and microgliosis in peripubertal rats.
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Affiliation(s)
- Chung-Min Tsai
- Taipei Medical University, Graduate Institute of Medical Sciences, College of Medicine, Taipei, Taiwan
- MacKay Children’s Hospital, Department of Pediatrics, Taipei, Taiwan
| | - Shwu-Fen Chang
- Taipei Medical University, Graduate Institute of Medical Sciences, College of Medicine, Taipei, Taiwan
| | - Chih-Chuan Li
- Taipei Medical University Hospital, Department of Pediatrics, Taipei, Taiwan
| | - Hsi Chang
- Taipei Medical University Hospital, Department of Pediatrics, Taipei, Taiwan
- Taipei Medical University, College of Medicine, School of Medicine, Department of Pediatrics, Taipei, Taiwan
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10
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The Effects of Photobiomodulation on Bone Defect Repairing in a Diabetic Rat Model. Int J Mol Sci 2021; 22:ijms222011026. [PMID: 34681687 PMCID: PMC8541159 DOI: 10.3390/ijms222011026] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 10/09/2021] [Accepted: 10/10/2021] [Indexed: 11/17/2022] Open
Abstract
The purpose of this study is to examine the prospective therapeutic effects of photobiomodulation on the healing of bone defects in diabetic mellitus (DM) using rat models to provide basic knowledge of photobiomodulation therapy (PBMT) during bone defect repair. For in vitro study, an Alizzarin red stain assay was used to evaluate the effect of PBMT on osteogenic differentiation. For in vivo study, micro-computed tomography (microCT) scan, H&E and IHC stain analysis were used to investigate the effect of PBMT on the healing of the experimental calvarial defect (3 mm in diameter) of a diabetic rat model. For in vitro study, the high glucose groups showed lower osteogenic differentiation in both irradiated and non-irradiated with PBMT when compared to the control groups. With the PBMT, all groups (control, osmotic control and high glucose) showed higher osteogenic differentiation when compared to the non-irradiated groups. For in vivo study, the hyperglycemic group showed significantly lower bone regeneration when compared to the control group. With the PBMT, the volume of bone regeneration was increasing and back to the similar level of the control group. The treatment of PBMT in 660 nm could improve the bone defect healing on a diabetic rat calvarial defect model.
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11
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Increased Myocardial Retention of Mesenchymal Stem Cells Post-MI by Pre-Conditioning Exercise Training. Stem Cell Rev Rep 2021; 16:730-741. [PMID: 32306279 DOI: 10.1007/s12015-020-09970-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Stem cell (SC) therapy is a promising approach to improve post-myocardial infarction (MI) cardiac remodeling, but the proinflammatory microenvironment may lead to SC loss and, therefore, may have a negative impact on therapy. It appears that exercise training (ET) improves myocardial microenvironment for SC transplantation. Therefore, we tested the effect of ET on post-infarction retention of adipose-derived SCs (ADSCs) and its combined effects on the inflammatory microenvironment. Fischer-344 female rats were randomized to one of the following groups: Sham; sedentary coronary occlusion who did not receive ADSCs (sMI); sedentary coronary occlusion who received ADSCs; exercise coronary occlusion who received ADSCs. Rats were trained nine weeks prior to MI, followed by ADSCs transplantation. The MI led to left ventricle (LV) dilation and dysfunction, myocardial hypertrophy and fibrosis, and increased proinflammatory profile compared to Sham rats. Conversely, ADSCs transplanted rats exhibited, better morphological and functional LV parameters; inhibition of myocardial hypertrophy and fibrosis; and attenuation of proinflammatory cytokines (interleukins 1β and 10, tumor necrosis factor α, and transforming growth factor β) in the myocardium compared to sMI rats. Interestingly, ET enhanced the effect of ADSCs on interleukin 10 expression. There was a correlation between cytokine expression and myocardial ADSCs retention. The. ET enhanced the beneficial effects of ADSCs in infarcted myocardium, which was associated with higher ADSCs retention. These findings highlight the importance of ET in myocardial retention of ADSCs and attenuation of cardiac remodeling post-infarction. Cytokine analysis suggests improvement in ET-linked myocardial microenvironment based on its anti-inflammatory action.
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12
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Crous A, Abrahamse H. The Signalling Effects of Photobiomodulation on Osteoblast Proliferation, Maturation and Differentiation: A Review. Stem Cell Rev Rep 2021; 17:1570-1589. [PMID: 33686595 DOI: 10.1007/s12015-021-10142-w] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/21/2021] [Indexed: 02/06/2023]
Abstract
Proliferation of osteoblasts is essential for maturation and mineralization of bone matrix. Ossification, the natural phase of bone-forming and hardening is a carefully regulated phase where deregulation of this process may result in insufficient or excessive bone mineralization or ectopic calcification. Osteoblasts can also be differentiated into osteocytes, populating short interconnecting passages within the bone matrix. Over the past few decades, we have seen a significant improvement in awareness and techniques using photobiomodulation (PBM) to stimulate cell function. One of the applications of PBM is the promotion of osteoblast proliferation and maturation. PBM research results on osteoblasts showed increased mitochondrial ATP production, increased osteoblast activity and proliferation, increased and pro-osteoblast expression in the presence of red and NIR radiation. Osteocyte differentiation was also accomplished using blue and green light, showing that different light parameters have various signalling effects. The current review addresses osteoblast function and control, a new understanding of PBM on osteoblasts and its therapeutic impact using various parameters to optimize osteoblast function that may be clinically important. Graphical Abstract.
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Affiliation(s)
- Anine Crous
- Laser Research Centre, Faculty of Health Sciences, University of Johannesburg, PO Box 17011, Johannesburg, 2028, South Africa.
| | - Heidi Abrahamse
- Laser Research Centre, Faculty of Health Sciences, University of Johannesburg, PO Box 17011, Johannesburg, 2028, South Africa
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13
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Enhancing the Therapeutic Potential of Mesenchymal Stem Cells with Light-Emitting Diode: Implications and Molecular Mechanisms. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:6663539. [PMID: 33623634 PMCID: PMC7875639 DOI: 10.1155/2021/6663539] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 01/05/2021] [Accepted: 01/22/2021] [Indexed: 01/08/2023]
Abstract
This study evaluated the effects of light-emitting diode (LED) on mesenchymal stem cells (MSCs). An electronic search was conducted in PubMed/MEDLINE, Scopus, and Web of Science database for articles published from 1980 to February 2020. Ten articles met the search criteria and were included in this review. The risk of bias was evaluated to report quality, safety, and environmental standards. MSCs were derived from adipose tissue, bone marrow, dental pulp, gingiva, and umbilical cord. Protocols for cellular irradiation used red and blue light spectrum with variations of the parameters. The LED has been shown to induce greater cellular viability, proliferation, differentiation, and secretion of growth factors. The set of information available leads to proposing a complex signaling cascade for the action of photobiomodulation, including angiogenic factors, singlet oxygen, mitogen-activated protein kinase/extracellular signal-regulated protein kinase, Janus kinase/signal transducer, and reactive oxygen species. In conclusion, although our results suggest that LED can boost MSCs, a nonuniformity in the experimental protocol, bias, and the limited number of studies reduces the power of systematic review. Further research is essential to find the optimal LED irradiation parameters to boost MSCs function and evaluate its impact in the clinical setting.
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14
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Klietz ML, Kückelhaus M, Wiebringhaus P, Raschke MJ, Hirsch T, Aitzetmüller MM. [The influence of harvesting and processing on the regenerative potential in fat grafting]. HANDCHIR MIKROCHIR P 2021; 53:412-419. [PMID: 33530127 DOI: 10.1055/a-1306-0566] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
Abstract
The autologous lipotransfer represents an established method in the field of Plastic Surgery. As a reliable and safe method for breast reconstruction and breast augmentation it offers an alternative to established methods such as implants and flap surgery.Survival rate of adipose derived stromal cells limits success or failure of fat grafting. Slight changes in the fat grafting process can lead to huge changes in ADSC-survival rate.This review wants to optimize the fat-grafting process to ensure best outcomes.
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Affiliation(s)
- Marie-Luise Klietz
- Sektion Plastische Chirurgie an der Klinik für Unfall-, Hand- und Wiederherstellungschirurgie, Universitätsklinikum Münster, Münster.,Klinik und Poliklinik für Unfall-, Hand- und Wiederherstellungschirurgie, Klinik für Unfall-, Hand- und Wiederherstellungschirurgie, Universitätsklinikum Münster, Münster.,Abteilung für Plastische und Rekonstruktive Chirurgie, Institut für Muskuloskelettale Medizin, Westfälische Wilhelms-Universität Münster
| | - Maximilian Kückelhaus
- Sektion Plastische Chirurgie an der Klinik für Unfall-, Hand- und Wiederherstellungschirurgie, Universitätsklinikum Münster, Münster.,Abteilung für Plastische und Rekonstruktive Chirurgie, Institut für Muskuloskelettale Medizin, Westfälische Wilhelms-Universität Münster.,Abteilung für Plastische, Rekonstruktive und Ästhetische Chirurgie, Handchirurgie, Fachklinik Hornheide, Münster
| | - Philipp Wiebringhaus
- Sektion Plastische Chirurgie an der Klinik für Unfall-, Hand- und Wiederherstellungschirurgie, Universitätsklinikum Münster, Münster.,Abteilung für Plastische und Rekonstruktive Chirurgie, Institut für Muskuloskelettale Medizin, Westfälische Wilhelms-Universität Münster.,Abteilung für Plastische, Rekonstruktive und Ästhetische Chirurgie, Handchirurgie, Fachklinik Hornheide, Münster
| | - Michael J Raschke
- Sektion Plastische Chirurgie an der Klinik für Unfall-, Hand- und Wiederherstellungschirurgie, Universitätsklinikum Münster, Münster.,Klinik und Poliklinik für Unfall-, Hand- und Wiederherstellungschirurgie, Klinik für Unfall-, Hand- und Wiederherstellungschirurgie, Universitätsklinikum Münster, Münster
| | - Tobias Hirsch
- Sektion Plastische Chirurgie an der Klinik für Unfall-, Hand- und Wiederherstellungschirurgie, Universitätsklinikum Münster, Münster.,Abteilung für Plastische und Rekonstruktive Chirurgie, Institut für Muskuloskelettale Medizin, Westfälische Wilhelms-Universität Münster.,Abteilung für Plastische, Rekonstruktive und Ästhetische Chirurgie, Handchirurgie, Fachklinik Hornheide, Münster
| | - Matthias M Aitzetmüller
- Sektion Plastische Chirurgie an der Klinik für Unfall-, Hand- und Wiederherstellungschirurgie, Universitätsklinikum Münster, Münster.,Abteilung für Plastische und Rekonstruktive Chirurgie, Institut für Muskuloskelettale Medizin, Westfälische Wilhelms-Universität Münster.,Abteilung für Plastische, Rekonstruktive und Ästhetische Chirurgie, Handchirurgie, Fachklinik Hornheide, Münster
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15
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Guo Y, Qu Q, Chen J, Miao Y, Hu Z. Proposed mechanisms of low-level light therapy in the treatment of androgenetic alopecia. Lasers Med Sci 2020; 36:703-713. [PMID: 33111207 DOI: 10.1007/s10103-020-03159-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Accepted: 10/07/2020] [Indexed: 11/24/2022]
Abstract
Androgenetic alopecia (AGA) is a global challenge, affecting a large number of people worldwide. Efficacy of the existed treatments can barely meet the demands of patients. Patients who are poorly responding to those treatments are seeking for a more effective and suitable technique to treat their disease. Low-level light therapy (LLLT) is a newly developed technique, which has been proved to stimulate hair growth. Based on the function principle of LLLT in other domains and refer to the published literatures, we write this review to neaten and elucidate the possible mechanism of LLLT in the treatment of AGA. A review of published literature which is associated with keywords LLLT, photobiomodulation, AGA, treatment, hair growth, and mechanism was performed to elucidate the proposed mechanism of LLLT in the treatment of AGA. The present study shows that LLLT can accelerate hair growth in AGA patients. The proposed mechanism of LLLT in treating AGA may vary among different specialists. But we can summarize the consensual mechanisms as follows; low-level light absorbed by chromophores can lead to the production of nitric oxide (NO) and the modulation of reactive oxygen species (ROS). These mobilized molecules subsequently activate redox-related signaling pathways in hair follicle cells and perifollicular cells. Finally, these activated cells participate in the regrowth of hair follicle. Even though the efficacy of LLLT in the treatment of AGA in both men and women has already been confirmed, the present studies focusing on discovering LLLT are still inadequate and unsystematic. More studies are needed to standardize the optimum treatment parameters applied in promoting hair growth and determine the long-term safety and efficacy of LLLT. Current recognitions about the mechanisms of LLLT, mainly focused on the molecules that may take effect, neglected different cellular components that are functional in the hair follicle macro-environment.
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Affiliation(s)
- Yilong Guo
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital of Southern Medical University Guangzhou, Guangzhou, 510515, Guangdong Province, China
| | - Qian Qu
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital of Southern Medical University Guangzhou, Guangzhou, 510515, Guangdong Province, China
| | - Jian Chen
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital of Southern Medical University Guangzhou, Guangzhou, 510515, Guangdong Province, China
| | - Yong Miao
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital of Southern Medical University Guangzhou, Guangzhou, 510515, Guangdong Province, China.
| | - Zhiqi Hu
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital of Southern Medical University Guangzhou, Guangzhou, 510515, Guangdong Province, China.
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16
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Mendes C, Dos Santos Haupenthal DP, Zaccaron RP, de Bem Silveira G, Corrêa MEAB, de Roch Casagrande L, de Sousa Mariano S, de Souza Silva JI, de Andrade TAM, Feuser PE, Machado-de-Ávila RA, Silveira PCL. Effects of the Association between Photobiomodulation and Hyaluronic Acid Linked Gold Nanoparticles in Wound Healing. ACS Biomater Sci Eng 2020; 6:5132-5144. [PMID: 33455264 DOI: 10.1021/acsbiomaterials.0c00294] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Healing is the process responsible for restoring the integrity of the body's internal or external structures when they rupture. Photobiomodulation (PBM) stands out as one of the most efficient resources in the treatment of epithelial lesions, as well as hyaluronic acid (HA), which has been emerging as a new molecule for the treatment of dermal and epidermal lesions. The biological application of gold nanoparticles (GNPs) shows promising results. This study aimed to investigate the possible anti-inflammatory and antioxidant effects of the association between PBM and GNPs-linked HA in an epithelial lesion model. Fifty Wistar rats were randomly distributed in the Control Group (CG); (PBM); (PBM + HA); (PBM + GNPs); (PBM + GNPs-HA). The animals were anesthetized, trichotomized, and induced to a surgical incision in the dorsal region. Topical treatment with HA (0.9%) and/or GNPs (30 mg/kg) occurred daily associated with 904 nm laser irradiation, dose of 5 J/cm2, which started 24 h after the lesion and was performed daily until the seventh day. The levels of proinflammatory (IL1 and TNFα), anti-inflammatory (IL10 and IL4) and growth factors (FGF and TGFβ) cytokines and oxidative stress parameters were evaluated, besides histological analysis through inflammatory infiltrate, fibroblasts, new vessels, and collagen production area. Finally, for the analysis of wound size reduction, digital images were performed and subsequently analyzed by the IMAGEJ software. The treated groups showed a decrease in proinflammatory cytokine levels and an increase in anti-inflammatory cytokines. TGFβ and FGF levels also increased in the treated groups, especially in the combination therapy group (PBM + GNPs-HA). Regarding the oxidative stress parameters, MPO, DCF, and Nitrite levels decreased in the treated groups, as well as the oxidative damage (Carbonyl and Thiol groups). In contrast, antioxidant defense increased in the groups with the appropriate therapies proposed compared to the control group. Histological sections were analyzed where the inflammatory infiltrate was lower in the PBM + GNPs-HA group. The number of fibroblasts was higher in the PBM and PBM + HA treated groups, whereas collagen production was higher in all treated groups. Finally, in the analysis of the wound area contraction, the injury group presented a larger area in cm2 compared to the other groups. Taken together, these results allow us to observe that the combination of PBM + GNPs-HA optimized the secretion of anti-inflammatory cytokines, proliferation and cell differentiation growth factors, and made an earlier transition to the chronic phase, contributing to the repair process.
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Affiliation(s)
- Carolini Mendes
- Laboratory of Experimental Phisiopatology, Program of Postgraduate in Science of Health, Universidade do Extremo Sul Catarinense, 88806-000 Criciúma, Santa Catarina Brazil
| | - Daniela Pacheco Dos Santos Haupenthal
- Laboratory of Experimental Phisiopatology, Program of Postgraduate in Science of Health, Universidade do Extremo Sul Catarinense, 88806-000 Criciúma, Santa Catarina Brazil
| | - Rubya Pereira Zaccaron
- Laboratory of Experimental Phisiopatology, Program of Postgraduate in Science of Health, Universidade do Extremo Sul Catarinense, 88806-000 Criciúma, Santa Catarina Brazil
| | - Gustavo de Bem Silveira
- Laboratory of Experimental Phisiopatology, Program of Postgraduate in Science of Health, Universidade do Extremo Sul Catarinense, 88806-000 Criciúma, Santa Catarina Brazil
| | - Maria Eduarda Anastácio Borges Corrêa
- Laboratory of Experimental Phisiopatology, Program of Postgraduate in Science of Health, Universidade do Extremo Sul Catarinense, 88806-000 Criciúma, Santa Catarina Brazil
| | - Laura de Roch Casagrande
- Laboratory of Experimental Phisiopatology, Program of Postgraduate in Science of Health, Universidade do Extremo Sul Catarinense, 88806-000 Criciúma, Santa Catarina Brazil
| | - Samara de Sousa Mariano
- Graduate Program of Biomedical Science, University Center of Herminio Ometto Foundation, 13607-339 Araras São Paolo Brazil
| | - Jennyffer Ione de Souza Silva
- Graduate Program of Biomedical Science, University Center of Herminio Ometto Foundation, 13607-339 Araras São Paolo Brazil
| | | | - Paulo Emilio Feuser
- Laboratory of Experimental Phisiopatology, Program of Postgraduate in Science of Health, Universidade do Extremo Sul Catarinense, 88806-000 Criciúma, Santa Catarina Brazil
| | - Ricardo Andrez Machado-de-Ávila
- Laboratory of Experimental Phisiopatology, Program of Postgraduate in Science of Health, Universidade do Extremo Sul Catarinense, 88806-000 Criciúma, Santa Catarina Brazil
| | - Paulo Cesar Lock Silveira
- Laboratory of Experimental Phisiopatology, Program of Postgraduate in Science of Health, Universidade do Extremo Sul Catarinense, 88806-000 Criciúma, Santa Catarina Brazil
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17
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Fukuoka CY, Vicari HP, Sipert CR, Bhawal UK, Abiko Y, Arana-Chavez VE, Simões A. Early effect of laser irradiation in signaling pathways of diabetic rat submandibular salivary glands. PLoS One 2020; 15:e0236727. [PMID: 32750068 PMCID: PMC7402516 DOI: 10.1371/journal.pone.0236727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Accepted: 07/12/2020] [Indexed: 11/19/2022] Open
Abstract
Low-power laser irradiation (LPLI) is clinically used to modulate inflammation, proliferation and apoptosis. However, its molecular mechanisms are still not fully understood. This study aimed to describe the effects of LPLI upon inflammatory, apoptotic and proliferation markers in submandibular salivary glands (SMGs) in an experimental model of chronic disorder, 24h after one time irradiation. Diabetes was induced in rats by the injection of streptozotocin. After 29 days, these animals were treated with LPLI in the SMG area, and euthanized 24h after this irradiation. Treatment with LPLI significantly decreased diabetes-induced high mobility group box 1 (HMGB1) and tumor necrosis factor alpha (TNF-α) expression, while enhancing the activation of the transcriptional factor cAMP response element binding (CREB) protein. LPLI also reduced the expression of bax, a mitochondrial apoptotic marker, favoring the cell survival. These findings suggest that LPLI can hamper the state of chronic inflammation and favor homeostasis in diabetic rats SMGs.
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Affiliation(s)
- Cíntia Yuki Fukuoka
- Laboratory of Oral Biology, Department of Biomaterials and Oral Biology, School of Dentistry, University of São Paulo, São Paulo, Brazil
| | - Hugo Passos Vicari
- Laboratory of Oral Biology, Department of Biomaterials and Oral Biology, School of Dentistry, University of São Paulo, São Paulo, Brazil
| | - Carla Renata Sipert
- Division of Endodontics, Department of Restorative Dentistry, School of Dentistry, University of São Paulo, São Paulo, Brazil
| | - Ujjal Kumar Bhawal
- Department of Biochemistry and Molecular Biology, Nihon University School of Dentistry at Matsudo, Matsudo, Chiba, Japan
| | - Yoshimitsu Abiko
- Department of Biochemistry and Molecular Biology, Nihon University School of Dentistry at Matsudo, Matsudo, Chiba, Japan
| | - Victor Elias Arana-Chavez
- Laboratory of Oral Biology, Department of Biomaterials and Oral Biology, School of Dentistry, University of São Paulo, São Paulo, Brazil
| | - Alyne Simões
- Laboratory of Oral Biology, Department of Biomaterials and Oral Biology, School of Dentistry, University of São Paulo, São Paulo, Brazil
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18
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Chen H, Wang Y, Tu W, Wang H, Yin H, Sha H, Li Y. Effects of photobiomodulation combined with MSCs transplantation on the repair of spinal cord injury in rat. J Cell Physiol 2020; 236:921-930. [PMID: 32583437 DOI: 10.1002/jcp.29902] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 06/14/2020] [Accepted: 06/14/2020] [Indexed: 12/26/2022]
Abstract
Stem cell transplantation has shown promising regenerative effects against neural injury, and photobiomodulation (PBM) can aid tissue recovery. This study aims to evaluate the therapeutic effect of human umbilical cord mesenchymal stem cells (hUCMSCs) and laser alone or combined on spinal cord injury (SCI). The animals were divided into SCI, hUCMSCs, laser treatment (LASER) and combination treatment (hUCMSCs + LASER) groups. Cell-enriched grafts of hUCMSCs (1 × 106 cells/ml) were injected at the site of antecedent trauma in SCI model rats. A 2 cm2 damaged area was irradiated with 630 nm laser at 100 mW/cm2 power for 20 min. Locomotion was evaluated using Basso-Beattie-Bresnahan (BBB) scores, and neurofilament repair were monitored by histological staining and diffusion tensor imaging (DTI). First, after SCI, the motor function of each group was restored with different degrees, the combination treatment significantly increased the BBB scores compared to either monotherapy. In addition, Nissl bodies were more numerous, and the nerve fibers were longer and thicker in the combination treatment group. Consistent with this, the in situ expression of NF-200 and glial fibrillary acidic protein in the damaged area was the highest in the combination treatment group. Finally, DTI showed that the combination therapy optimally improved neurofilament structure and arrangement. These results may show that the combination of PBM and hUCMSCs transplantation is a feasible strategy for reducing secondary damage and promoting functional recovery following SCI.
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Affiliation(s)
- Hongli Chen
- School of Life Sciences, Tiangong University, Tianjin, China.,Academy of Medical Engineering and Translational Medicine, Tianjin University, Tianjin, China
| | - Yunhao Wang
- School of Life Sciences, Tiangong University, Tianjin, China
| | - Wenjun Tu
- School of Life Sciences, Tiangong University, Tianjin, China.,Institute of Radiation Medicine, Chinese Academy of Medical Science & Peking Union Medical College, Tianjin, China
| | - Hong Wang
- School of Life Sciences, Tiangong University, Tianjin, China.,Institute of Radiation Medicine, Chinese Academy of Medical Science & Peking Union Medical College, Tianjin, China
| | - Huijuan Yin
- Institute of Biomedical Engineering, Chinese Academy of Medical Science & Peking Union Medical College, Tianjin, China
| | - Hong Sha
- Institute of Biomedical Engineering, Chinese Academy of Medical Science & Peking Union Medical College, Tianjin, China
| | - Yingxin Li
- Institute of Biomedical Engineering, Chinese Academy of Medical Science & Peking Union Medical College, Tianjin, China
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19
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Sakata S, Kunimatsu R, Tsuka Y, Nakatani A, Hiraki T, Gunji H, Hirose N, Yanoshita M, Putranti NAR, Tanimoto K. High-Frequency Near-Infrared Diode Laser Irradiation Attenuates IL-1β-Induced Expression of Inflammatory Cytokines and Matrix Metalloproteinases in Human Primary Chondrocytes. J Clin Med 2020; 9:jcm9030881. [PMID: 32213810 PMCID: PMC7141534 DOI: 10.3390/jcm9030881] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Accepted: 03/15/2020] [Indexed: 01/15/2023] Open
Abstract
High-frequency near-infrared diode laser provides a high-peak output, low-heat accumulation, and efficient biostimulation. Although these characteristics are considered suitable for osteoarthritis (OA) treatment, the effect of high-frequency near-infrared diode laser irradiation in in vitro or in vivo OA models has not yet been reported. Therefore, we aimed to assess the biological effects of high-frequency near-infrared diode laser irradiation on IL-1β-induced chondrocyte inflammation in an in vitro OA model. Normal Human Articular Chondrocyte-Knee (NHAC-Kn) cells were stimulated with human recombinant IL-1β and irradiated with a high-frequency near-infrared diode laser (910 nm, 4 or 8 J/cm2). The mRNA and protein expression of relevant inflammation- and cartilage destruction-related proteins was analyzed. Interleukin (IL) -1β treatment significantly increased the mRNA levels of IL-1β, IL-6, tumor necrosis factor (TNF) -α, matrix metalloproteinases (MMP) -1, MMP-3, and MMP-13. High-frequency near-infrared diode laser irradiation significantly reduced the IL-1β-induced expression of IL-1β, IL-6, TNF-α, MMP-1, and MMP-3. Similarly, high-frequency near-infrared diode laser irradiation decreased the IL-1β-induced increase in protein expression and secreted levels of MMP-1 and MMP-3. These results highlight the therapeutic potential of high-frequency near-infrared diode laser irradiation in OA.
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Affiliation(s)
| | - Ryo Kunimatsu
- Correspondence: ; Tel.: +81-82-257-5686; Fax: +81-82-257-5687
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20
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Bölükbaşı Ateş G, Ak A, Garipcan B, Gülsoy M. Photobiomodulation effects on osteogenic differentiation of adipose-derived stem cells. Cytotechnology 2020; 72:247-258. [PMID: 32016710 DOI: 10.1007/s10616-020-00374-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Accepted: 01/23/2020] [Indexed: 12/12/2022] Open
Abstract
Increasing interest has been observed in the use of photobiomodulation (PBM) to enhance the proliferation of stem cells and induce their differentiation. The effects of PBM at two different wavelengths (635 and 809 nm) with three different energy densities (0.5, 1 and 2 J/cm2) on the osteogenic differentiation of adipose-derived stem cells (ADSC) were investigated. Cell viability and proliferation were evaluated by MTT and Alamar Blue assays. Osteoblast differentiation were assessed by alkaline phosphatase (ALP) activity, Alizarin red staining and reverse-transcription polymerase chain reaction (RT-PCR) for the expression of collagen type I (COL1A), ALP and osteocalcin. 635 nm and 809 nm laser irradiation had no effect on the cell viability on days 7 and 14, except for 0.5 J/cm2 group at 14th day after 635 nm irradiation (p < 0.05). Cell proliferation was not changed significantly. Mineralization was increased significantly in 809 nm laser groups but no enhancement was detected in the osteogenic differentiation by ALP activity and gene expression results. In 0.5 and 1 J/cm2 groups, ALP and COL1A expressions were down regulated at day 7 after 809 nm laser exposure. These results suggest that PBM may alter osteogenic differentiation of ADSC and increase mineralization but further investigation is needed to define adequate parameters.
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Affiliation(s)
- Gamze Bölükbaşı Ateş
- Institute of Biomedical Engineering, Bogazici University, Uskudar, 34684, Istanbul, Turkey.
| | - Ayşe Ak
- Medical Imaging Techniques Programme, Vocational School of Health Services, Kocaeli University, 41380, Kocaeli, Turkey
| | - Bora Garipcan
- Institute of Biomedical Engineering, Bogazici University, Uskudar, 34684, Istanbul, Turkey
| | - Murat Gülsoy
- Institute of Biomedical Engineering, Bogazici University, Uskudar, 34684, Istanbul, Turkey
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Comparison of the effect of photobiomodulation therapy and Ibuprofen on postoperative pain after endodontic treatment: randomized, controlled, clinical study. Lasers Med Sci 2019; 35:971-978. [DOI: 10.1007/s10103-019-02929-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Accepted: 11/27/2019] [Indexed: 12/28/2022]
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Grześk E, Mackiewicz‑Milewska M, Mackiewicz‑Nartowicz H, Wiciński M, Burdziński I, Korsak M, Kopczyńska A, Hagner W, Grześk G. Modulatory effect of laser irradiation on mastoparan‑7‑induced contraction. Biomed Rep 2019; 12:23-29. [DOI: 10.3892/br.2019.1255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Accepted: 08/20/2019] [Indexed: 11/05/2022] Open
Affiliation(s)
- Elżbieta Grześk
- Department of Pediatrics, Hematology and Oncology, Faculty of Medicine, Collegium Medicum, Nicolaus Copernicus University, 85‑094 Bydgoszcz, Poland
| | - Magdalena Mackiewicz‑Milewska
- Department of Rehabilitation, Faculty of Health Sciences, Collegium Medicum, Nicolaus Copernicus University, 85‑094 Bydgoszcz, Poland
| | - Hanna Mackiewicz‑Nartowicz
- Department of Phoniatry and Audiology, Faculty of Health Sciences, Collegium Medicum, Nicolaus Copernicus University, 85‑094 Bydgoszcz, Poland
| | - Michał Wiciński
- Department of Pharmacology and Therapeutics, Faculty of Medicine, Collegium Medicum, Nicolaus Copernicus University, 85‑094 Bydgoszcz, Poland
| | - Igor Burdziński
- Second Department of Cardiology, Division of Clinical Pharmacology, Faculty of Health Sciences, Collegium Medicum, Nicolaus Copernicus University, 85‑094 Bydgoszcz, Poland
| | - Maryia Korsak
- Second Department of Cardiology, Division of Clinical Pharmacology, Faculty of Health Sciences, Collegium Medicum, Nicolaus Copernicus University, 85‑094 Bydgoszcz, Poland
| | - Anna Kopczyńska
- Second Department of Cardiology, Division of Clinical Pharmacology, Faculty of Health Sciences, Collegium Medicum, Nicolaus Copernicus University, 85‑094 Bydgoszcz, Poland
| | - Wojciech Hagner
- Department of Rehabilitation, Faculty of Health Sciences, Collegium Medicum, Nicolaus Copernicus University, 85‑094 Bydgoszcz, Poland
| | - Grzegorz Grześk
- Second Department of Cardiology, Division of Clinical Pharmacology, Faculty of Health Sciences, Collegium Medicum, Nicolaus Copernicus University, 85‑094 Bydgoszcz, Poland
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Zhou Q, Gu X, Dong J, Zhu C, Cai Z, He D, Yang C, Xu L, Zheng J. The use of TLR2 modified BMSCs for enhanced bone regeneration in the inflammatory micro-environment. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2019; 47:3329-3337. [PMID: 31387403 DOI: 10.1080/21691401.2019.1626867] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Qin Zhou
- Department of Oral and Maxillofacial Surgery, Ninth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiaoyu Gu
- Department of Prothodontics, Ninth People’s Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jiachen Dong
- Department of Periodontology, Ninth People’s Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Chao Zhu
- Department of Oral and Maxillofacial Surgery, Shandong Linyi People's Hospital, Linyi, China
| | - Zhen Cai
- Department of Oral and Maxillofacial Surgery, Shandong Linyi People's Hospital, Linyi, China
| | - Dongmei He
- Department of Oral and Maxillofacial Surgery, Ninth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Chi Yang
- Department of Oral and Maxillofacial Surgery, Ninth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ling Xu
- Department of Prothodontics, Ninth People’s Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, National Clinical Research Center of Stomatology, Shanghai, China
| | - Jiawei Zheng
- Department of Oral and Maxillofacial Surgery, Ninth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Prindeze N, Ardanuy J, Carney B, Moffatt L, Shupp J. Photobiomodulation Elicits a Differential Cytokine Response in a Cultured Analogue of Human Skin. EPLASTY 2019; 19:e3. [PMID: 30858901 PMCID: PMC6404725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Background: The study of photobiomodulation in wound healing is encumbered by limited wound study models. The aim of this study was to investigate the efficacy of a 3-dimensional dermal tissue culture model as a cost-saving alternative to conventional photobiomodulation study techniques. Methods: Nine dermal analogue tissue cultures were treated for 2 days with sham or 660-nm wavelength of light at either 1.5 or 3 mW/cm2 of energy. Tissue cytokine mRNA production was assessed by real-time reverse transcription-polymerase chain reaction, and tissue and supernatant protein were evaluated by immunofluorescence, enzyme-linked immunosorbent assay, and Western blot. Results: Photobiomodulation with 660-nm wavelength light induced transcription of IL-1β and IL-6 mRNA and decreased that of IL-8. Tissue protein content of IL-6 and IL-8 was unchanged, whereas supernatant protein content of IL-8 was significantly increased (P = .023) by 1.5 mW/cm2 treatment. To describe the localization of cytokines between tissue and supernatant, the relative diffusion of each was calculated and found to be 15-fold higher for IL-6 than for IL-8 despite an overall higher concentration of IL-8 in the tissue. Conclusion: In this study, photobiomodulation elicited mRNA and protein changes quantifiable in both the tissue and supernatant. In addition, the use of this advanced culture model allowed for histological assessment and the comparison of "local" versus "circulatory" responses between the tissue and supernatant, respectively.
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Affiliation(s)
- Nicholas J. Prindeze
- aFirefighters’ Burn and Surgical Research Laboratory, MedStar Health Research Institute, Washington, DC
| | - Jeremy G. Ardanuy
- aFirefighters’ Burn and Surgical Research Laboratory, MedStar Health Research Institute, Washington, DC
| | - Bonnie C. Carney
- aFirefighters’ Burn and Surgical Research Laboratory, MedStar Health Research Institute, Washington, DC
| | - Lauren T. Moffatt
- aFirefighters’ Burn and Surgical Research Laboratory, MedStar Health Research Institute, Washington, DC
| | - Jeffrey W. Shupp
- aFirefighters’ Burn and Surgical Research Laboratory, MedStar Health Research Institute, Washington, DC,bThe Burn Center, Department of Surgery, MedStar Washington Hospital Center, Washington, DC,Correspondence:
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25
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Jiang RS, Wang JJ. Effect of Red Light Rhinophototherapy on Nasal Patency in Patients with Allergic Rhinitis. Int J Otolaryngol 2018; 2018:6270614. [PMID: 30647740 PMCID: PMC6311790 DOI: 10.1155/2018/6270614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2018] [Accepted: 11/13/2018] [Indexed: 11/17/2022] Open
Abstract
PURPOSE The effect of red light rhinophototherapy (RLRPT) on nasal patency in patients with a clinical diagnosis of allergic rhinitis was investigated. MATERIALS AND METHODS Subjects were randomly divided into 2 groups, with patients in one group given one treatment session of RLRPT, followed by medical treatment. Those in the second group were treated with medical treatment only. The rhinitis symptoms were evaluated both before and 30 minutes after RLRPT and 2 days later. The nasal patency was objectively measured through the use of both active anterior rhinomanometry and acoustic rhinometry before and 30 minutes after RLRPT. RESULTS All rhinitis symptoms, including nasal congestion, significantly improved 30 minutes after a single RLRPT treatment, but worsened again, particularly for sneezing, 2 days later. Nasal resistance slightly decreased 30 minutes after RLRPT. The first minimal cross-sectional area did not change after RLRPT, but the second minimal cross-sectional area with the volume of the nasal cavity between 2.0 and 5.0 cm from the tip of the nosepiece significantly lessened. CONCLUSIONS This study showed that RLRPL did not objectively improve patient's nasal patency. REGISTRATION NUMBER The trial is registered with NCT03752645.
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Affiliation(s)
- Rong-San Jiang
- Department of Medical Research, Taichung Veterans General Hospital, Taichung, Taiwan
- Department of Otolaryngology, Taichung Veterans General Hospital, Taichung, Taiwan
- School of Medicine, Chung Shan Medical University, Taichung, Taiwan
- Rong Hsing Research Center For Translational Medicine, National Chung Hsing University, Taichung, Taiwan
| | - Jing-Jie Wang
- Department of Otolaryngology, Taichung Veterans General Hospital, Taichung, Taiwan
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
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Lee KTD, Chiang MH, Chen PH, Ho ML, Lee HZ, Lee HE, Wang YH. The effect of low-level laser irradiation on hyperglycemia-induced inflammation in human gingival fibroblasts. Lasers Med Sci 2018; 34:913-920. [DOI: 10.1007/s10103-018-2675-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Accepted: 10/25/2018] [Indexed: 01/09/2023]
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Ganjali M, Seifalian AM, Mozafari M. Effect of Laser Irradiation on Cell Cycle and Mitosis. J Lasers Med Sci 2018; 9:249-253. [PMID: 31119019 DOI: 10.15171/jlms.2018.45] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Introduction: In this research, low-level helium-neon (He-Ne) laser irradiation effects on monkey kidney cells (Vero cell line) mitosis were studied. Methods: The experiment was carried out on a monkey kidney cell line "Vero (CCL-81)". This is a lineage of cells used in cell cultures and can be used for efficacy and media testing. The monolayer cells were formed on coating glass in a spectral cuvette (20×20×30 mm). The samples divided into two groups. The first groups as irradiated monolayer cells were exposed by a He-Ne laser (PolyaronNPO, L'vov, Ukraine) with λ=632.8 nm, max power density (P) = 10 mW/cm2 , generating linearly polarized and the second groups as the control monolayer cells were located in a cuvette protected by a lightproof screen from the first cuvette and also from the laser exposure. Then, changing functional activity of the monolayer cells, due to the radiation influence on some physical factors were measured. Results: The results showed that low-intensity laser irradiation in the range of visible red could make meaningful changes in the cell division process (the mitosis activity). These changes depend on the power density, exposure time, the presence of a magnetic field, and the duration of time after exposure termination. The stimulatory effects on the cell division within the power density of 1-6 mW/(cm2 ) and exposure time in the range of 1-10 minutes was studied. It is demonstrated that the increase in these parameters (power density and exposure time) leads to destructing the cell division process. Conclusion: The results are useful to identify the molecular mechanisms caused by low-intensity laser effects on the biological activities of the cells. Thus, this study helps to optimize medical laser technology as well as achieving information on the therapeutic effects of low-intensity lasers.
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Affiliation(s)
- Monireh Ganjali
- Bioengineering Research Group, Nanotechnology and Advanced Materials Department, Materials and Energy Research Center (MERC), Tehran, Iran
| | - Alexander M Seifalian
- Nanotechnology and Regenerative Medicine Centre (Ltd), The London BioScience Innovation Centre, London, UK
| | - Masoud Mozafari
- Bioengineering Research Group, Nanotechnology and Advanced Materials Department, Materials and Energy Research Center (MERC), Tehran, Iran
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Photobiomodulation of extracellular matrix enzymes in human nucleus pulposus cells as a potential treatment for intervertebral disk degeneration. Sci Rep 2018; 8:11654. [PMID: 30076336 PMCID: PMC6076240 DOI: 10.1038/s41598-018-30185-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Accepted: 07/24/2018] [Indexed: 12/18/2022] Open
Abstract
Intervertebral disc (IVD) degeneration is associated with imbalances between catabolic and anabolic responses, regulated by extracellular matrix (ECM)-modifying enzymes such as matrix metalloproteinases (MMPs) and their endogenous tissue inhibitors of metalloproteinases (TIMPs). Potential contributing factors, such as interleukin (IL)-1β and tumor necrosis factor (TNF)-α, derived from infiltrated, activated macrophages within IVD tissues, can trigger abnormal production of ECM-modifying enzymes and progression of IVD degeneration. Novel therapies for regulating ECM-modifying enzymes can prevent or ameliorate IVD degeneration. Photobiomodulation (PBM), known to regulate wound repair, exhibits regenerative potential by modulating biological molecules. This study examined the effects of PBM, administered at various wavelengths (630, 525, and 465 nm) and energy densities (16, 32, and 64 J/cm2), on the production of ECM-modifying enzymes in replicated degenerative IVD. Our results showed that PBM selectively inhibited the production of ECM-modifying enzymes in a dose- and wavelength-dependent manner, suggesting that it could be a novel tool for treating symptomatic IVD degeneration.
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Effects of Nd:YAG low-level laser irradiation on cultured human osteoblasts migration and ATP production: in vitro study. Lasers Med Sci 2018; 34:55-60. [PMID: 30003426 DOI: 10.1007/s10103-018-2586-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Accepted: 07/08/2018] [Indexed: 12/14/2022]
Abstract
Low-level laser therapy has become one of the fastest growing fields of medicine in recent years. Many in vivo and in vitro studies have shown that laser irradiation activates a range of cellular processes in a variety of cell types and can promote tissue repair. However, few in vitro experiments have evaluated the effects of laser irradiation on cells in real time. The purpose of this study was to examine the effects of neodymium-doped yttrium aluminum garnet (Nd:YAG) laser irradiation on the migration of cultured human osteoblasts. A dedicated 96-well plate was used, and confluent cultures of the human osteoblast-like cell line, Saos-2, were injured with a wound maker. The wounded cells were then exposed to the Nd:YAG laser (wavelength of 1064 nm) for 60 s at 0.3 W (10 pps, 30 mJ). The total energy density was about 10.34 J/cm2. Images of the wounds were automatically acquired inside the CO2 incubator by the IncuCyte ZOOM™ software. In addition, after laser irradiation, the production of adenosine triphosphate (ATP) was measured using the CellTiter-Glo™ Luminescent Cell Viability Assay. Migration of cells from the border of the original scratch zone was accelerated by laser irradiation. In addition, compared with the control group, significant enhancement of ATP production was observed in the irradiated group. The present study showed that Nd:YAG laser irradiation (wavelength of 1064 nm, 0.3 W, 10 pps, 30 mJ, 10.34 J/cm2, irradiation time 60 s) may contribute to the regeneration of bone tissues owing to enhanced osteoblast cell migration.
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Lifshitz Z, Sturlesi N, Parizade M, Blum SE, Gordon M, Taran D, Adler A. Distinctiveness and Similarities Between Extended-Spectrum β-Lactamase-Producing Escherichia coli Isolated from Cattle and the Community in Israel. Microb Drug Resist 2018; 24:868-875. [DOI: 10.1089/mdr.2017.0407] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Ziv Lifshitz
- National Center of Infection Control, Ministry of Health, Tel-Aviv, Israel
| | - Na'ama Sturlesi
- Koret School of Veterinary Medicine, Hebrew University, Rehovot, Israel
| | - Miriam Parizade
- Clinical Microbiology Laboratory, Maccabee Health Systems, Rehovot, Israel
| | | | - Michal Gordon
- The National Institute for Biotechnology in the Negev, Ben-Gurion University of the Negev, Be'er-Sheba, Israel
| | - Diana Taran
- Clinical Microbiology Laboratory, Maccabee Health Systems, Rehovot, Israel
| | - Amos Adler
- National Center of Infection Control, Ministry of Health, Tel-Aviv, Israel
- Department of Epidemiology and Preventative Medicine, Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
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Wang YH, Wu JY, Kong SC, Chiang MH, Ho ML, Yeh ML, Chen CH. Low power laser irradiation and human adipose-derived stem cell treatments promote bone regeneration in critical-sized calvarial defects in rats. PLoS One 2018; 13:e0195337. [PMID: 29621288 PMCID: PMC5886537 DOI: 10.1371/journal.pone.0195337] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Accepted: 03/20/2018] [Indexed: 01/18/2023] Open
Abstract
Both stem cell therapy and physical treatments have been shown to be beneficial in accelerating bone healing. However, the efficacy of combined treatment with stem cells and physical stimuli for large bone defects remains uncertain. The aim of this study was to evaluate the bone regeneration effects of low-power laser irradiation (LPLI) and human adipose-derived stem cell (ADSC) treatments during fracture repair using a comparative rat calvarial defect model. We evaluated the viability of human ADSCs, which were cultured on a porous PLGA scaffold using an MTS assay. The critical-sized calvarial bone defect rats were divided into 4 groups: control group, LPLI group, ADSC group, and ADSC+LPLI group. Bone formation was evaluated using micro-CT. New bone formation areas and osteogenic factor expression levels were then examined by histomorphological analysis and immunohistochemical staining. Our data showed that PLGA had no cytotoxic effect on human ADSCs. Micro-CT analyses revealed that both the LPLI and ADSC groups showed improved calvarial bone defect healing compared to the control group. In addition, the ADSC+LPLI group showed significantly increased bone volume at 16 weeks after surgery. The area of new bone formation ranked as follows: control group < LPLI group < ADSC group < ADSC+LPLI group. There were significant differences between the groups. In addition, both ADSC and ADSC+LPLI groups showed strong signals of vWF expression. ADSC and LPLI treatments improved fracture repair in critical-sized calvarial defects in rats. Importantly, the combined treatment of ADSCs and LPLI further enhances the bone healing process.
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Affiliation(s)
- Yan-Hsiung Wang
- School of Dentistry, College of Dental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
- Orthopaedic Research Center, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
- Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Jyun-Yi Wu
- Orthopaedic Research Center, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
- Fresenius Kabi Taiwan Ltd, Taipei, Taiwan
| | - Su Chii Kong
- Orthopaedic Research Center, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Min-Hsuan Chiang
- School of Dentistry, College of Dental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
- Orthopaedic Research Center, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Mei-Ling Ho
- Orthopaedic Research Center, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
- Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
- Department of Physiology, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung, Taiwan
| | - Ming-Long Yeh
- Department of Biomedical Engineering, National Cheng Kung University, Tainan, Taiwan
- Medical Device Innovation Center, National Cheng Kung University, Tainan, Taiwan
| | - Chia-Hsin Chen
- Orthopaedic Research Center, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
- Department of Physical Medicine and Rehabilitation, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
- Department of Physical Medicine and Rehabilitation, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
- * E-mail:
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Low-Level Laser Therapy Reduces Lung Inflammation in an Experimental Model of Chronic Obstructive Pulmonary Disease Involving P2X7 Receptor. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2018; 2018:6798238. [PMID: 29686745 PMCID: PMC5857317 DOI: 10.1155/2018/6798238] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/28/2017] [Accepted: 12/09/2017] [Indexed: 12/11/2022]
Abstract
Chronic obstructive pulmonary disease (COPD) is a progressive disease characterized by irreversible airflow limitation, airway inflammation and remodeling, and enlargement of alveolar spaces. COPD is in the top five leading causes of deaths worldwide and presents a high economic cost. However, there are some preventive measures to lower the risk of developing COPD. Low-level laser therapy (LLLT) is a new effective therapy, with very low cost and no side effects. So, our objective was to investigate if LLLT reduces pulmonary alterations in an experimental model of COPD. C57BL/6 mice were submitted to cigarette smoke for 75 days (2x/day). After 60 days to smoke exposure, the treated group was submitted to LLLT (diode laser, 660 nm, 30 mW, and 3 J/cm2) for 15 days and euthanized for morphologic and functional analysis of the lungs. Our results showed that LLLT significantly reduced the number of inflammatory cells and the proinflammatory cytokine secretion such as IL-1β, IL-6, and TNF-α in bronchoalveolar lavage fluid (BALF). We also observed that LLLT decreased collagen deposition as well as the expression of purinergic P2X7 receptor. On the other hand, LLLT increased the IL-10 release. Thus, LLLT can be pointed as a promising therapeutic approach for lung inflammatory diseases as COPD.
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Hwang MH, Son HG, Lee JW, Yoo CM, Shin JH, Nam HG, Lim HJ, Baek SM, Park JH, Kim JH, Choi H. Phototherapy suppresses inflammation in human nucleus pulposus cells for intervertebral disc degeneration. Lasers Med Sci 2018; 33:1055-1064. [PMID: 29502159 DOI: 10.1007/s10103-018-2470-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2017] [Accepted: 02/20/2018] [Indexed: 01/04/2023]
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Mackiewicz-Milewska M, Grześk E, Kroszczyński AC, Cisowska-Adamiak M, Mackiewicz-Nartowicz H, Baran L, Szymkuć-Bukowska I, Wiciński M, Hagner W, Grześk G. The influence of low level laser irradiation on vascular reactivity. Adv Med Sci 2018; 63:64-67. [PMID: 28822265 DOI: 10.1016/j.advms.2017.06.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2016] [Revised: 04/28/2017] [Accepted: 06/06/2017] [Indexed: 11/26/2022]
Abstract
PURPOSE The mechanism of action of low level laser irradiation on tissues is unclear. Authors of publications present the positive clinical impact of low and medium power laser irradiation on vascular reactivity. The purpose of this study was to analyze the role of vascular endothelium in laser-induced constricted by endothelin-1 and phenylephrine. MATERIALS AND METHODS Experiments were performed on isolated and perfused rat tail arteries of weighing 250-350g male Wistar rats. Contractility of arteries as a response to endothelin-1 and phenylephrine was measured after exposure to laser stimulation (10, 30 and 110mW). RESULTS Laser irradiation inhibits vascular smooth muscle contraction induced by endothelin-1 and an alpha-adrenergic receptor agonist, phenylephrine proportionally to the laser power. Concentration-response curves were shifted to the right with significant reduction in maximal response. Laser irradiation at the power of 10mW, 30mW, and 110mW reduced the maximum response of arteries stimulated with phenylephrine sequentially to 88%, 72%, and 52%. Similar findings were observed during stimulation of endothelin-1. Laser irradiation at the power of 10mW, 30mW and 110mW resulted in maximal response respectively reduced to 94%, 62% and 38%. CONCLUSION Our results strongly suggest that during low level laser irradiation vascular smooth muscle cells reactivity is reduced, this effect is present in arteries with normal endothelium. The mechanism of action of laser biosimulation on tissues is unclear. Authors of publications present the positive clinical impact of low level laser irradiation on vascular reactivity.
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Amaroli A, Agas D, Laus F, Cuteri V, Hanna R, Sabbieti MG, Benedicenti S. The Effects of Photobiomodulation of 808 nm Diode Laser Therapy at Higher Fluence on the in Vitro Osteogenic Differentiation of Bone Marrow Stromal Cells. Front Physiol 2018. [PMID: 29527174 PMCID: PMC5829029 DOI: 10.3389/fphys.2018.00123] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
The literature has supported the concept of mesenchymal stromal cells (MSCs) in bone regeneration as one of the most important applications in oro-maxillofacial reconstructions. However, the fate of the transplanted cells and their effects on the clinical outcome is still uncertain. Photobiomodulation (PBM) plays an important role in the acceleration of tissue regeneration and potential repair. The aim of this in vitro study is to evaluate the effectiveness of PBM with 808 nm diode laser therapy, using a flat-top hand-piece delivery system at a higher-fluence (64 J/cm2) irradiation (1 W, continuous-wave) on bone marrow stromal cells (BMSCs). The BMSCs of 3 old female Balb-c mice were analyzed. The cells were divided into two groups: irradiated group and control group. In the former the cells were irradiated every 24 h during 0 day (T0), 5 (T1), 10 (T2), and 15 (T3) days, whereas the control group was non-irradiated. The results have shown that the 64 J/cm2 laser irradiation has increased the Runt-related transcription factor 2 (Runx2). Runx2 is the most important early marker of osteoblast differentiation. The higher-fluence suppressed the synthesis of adipogenic transcription factor (PPARγ), the pivotal transcription factor in adipogenic differentiation. Also, the osteogenic markers such as Osterix (Osx) and alkaline phosphatase (ALP) were upregulated with an increase in the matrix mineralization. Furthermore, western blotting data demonstrated that the laser therapy has induced a statistically valid increase in the synthesis of transforming growth factor β1 (TGF-β1) but had no effects on the tumor necrosis factor α (TNFα) production. The data has statistically validated the down-regulation of the important pro-inflammatory cytokines such as interleukin IL-6, and IL-17 after 808 nm PBM exposition. An increase in anti-inflammatory cytokines such as IL-1rα and IL-10 was observed. These in vitro studies provide for first time the initial proof that the PBM of the 808 nm diode laser therapy with flat-top hand-piece delivery system at a higher-fluence irradiation of 64 J/cm2 (1 W/cm2) can modulate BMSCs differentiation in enhancing osteogenesis.
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Affiliation(s)
- Andrea Amaroli
- Department of Surgical and Diagnostic Sciences, Laser Therapy Center, University of Genoa, Genoa, Italy
| | - Dimitrios Agas
- School of Biosciences and Veterinary Medicine, University of Camerino, Macerata, Italy
| | - Fulvio Laus
- School of Biosciences and Veterinary Medicine, University of Camerino, Macerata, Italy
| | - Vincenzo Cuteri
- School of Biosciences and Veterinary Medicine, University of Camerino, Macerata, Italy
| | - Reem Hanna
- Department of Surgical and Diagnostic Sciences, Laser Therapy Center, University of Genoa, Genoa, Italy
| | | | - Stefano Benedicenti
- Department of Surgical and Diagnostic Sciences, Laser Therapy Center, University of Genoa, Genoa, Italy
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Diniz IMA, Carreira ACO, Sipert CR, Uehara CM, Moreira MSN, Freire L, Pelissari C, Kossugue PM, de Araújo DR, Sogayar MC, Marques MM. Photobiomodulation of mesenchymal stem cells encapsulated in an injectable rhBMP4-loaded hydrogel directs hard tissue bioengineering. J Cell Physiol 2018; 233:4907-4918. [DOI: 10.1002/jcp.26309] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2017] [Accepted: 12/01/2017] [Indexed: 12/13/2022]
Affiliation(s)
- Ivana M. A. Diniz
- Department of Restorative Dentistry; School of Dentistry; Universidade Federal de Minas Gerais; Belo Horizonte Brazil
| | - Ana C. O. Carreira
- Cell and Molecular Therapy Center (NUCEL/NETCEM); School of Medicine; University of São Paulo; São Paulo Brazil
- Department of Biochemistry; Chemistry Institute; University of São Paulo; São Paulo Brazil
| | - Carla R. Sipert
- Department of Restorative Dentistry; School of Dentistry; Universidade de São Paulo; São Paulo Brazil
| | - Cindi M. Uehara
- Department of Restorative Dentistry; School of Dentistry; Universidade de São Paulo; São Paulo Brazil
| | - Maria S. N. Moreira
- Department of Biodentistry; School of Dentistry; Ibirapuera University; São Paulo Brazil
| | - Laila Freire
- Department of Restorative Dentistry; School of Dentistry; Universidade de São Paulo; São Paulo Brazil
| | - Cibele Pelissari
- Department of Stomatology; School of Dentistry; Universidade de São Paulo; São Paulo Brazil
| | - Patrícia M. Kossugue
- Cell and Molecular Therapy Center (NUCEL/NETCEM); School of Medicine; University of São Paulo; São Paulo Brazil
- Department of Biochemistry; Chemistry Institute; University of São Paulo; São Paulo Brazil
| | | | - Mari C. Sogayar
- Cell and Molecular Therapy Center (NUCEL/NETCEM); School of Medicine; University of São Paulo; São Paulo Brazil
- Department of Biochemistry; Chemistry Institute; University of São Paulo; São Paulo Brazil
| | - Márcia M. Marques
- Department of Restorative Dentistry; School of Dentistry; Universidade de São Paulo; São Paulo Brazil
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Lee JH, Chiang MH, Chen PH, Ho ML, Lee HE, Wang YH. Anti-inflammatory effects of low-level laser therapy on human periodontal ligament cells: in vitro study. Lasers Med Sci 2017; 33:469-477. [PMID: 29116611 PMCID: PMC5862948 DOI: 10.1007/s10103-017-2376-6] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2017] [Accepted: 10/26/2017] [Indexed: 12/12/2022]
Abstract
Periodontal disease is a chronic inflammatory disease that is commonly treated with surgical and nonsurgical techniques. However, both approaches have limitations. Low-level laser therapy (LLLT) has been widely applied in reducing inflammatory reactions, and research indicates that LLLT induces an anti-inflammatory effect that may enhance periodontal disease therapy. The purpose of this study was to investigate the anti-inflammatory effect of LLLT on human periodontal ligament cells (hPDLCs) in an inflammatory environment and aimed to determine the possible mechanism of action. Cells were cultured and treated with or without lipopolysaccharide (LPS) from Porphryromonas gingivalis or Escherichia coli, followed by irradiation with a gallium-aluminum-arsenide (GaAlAs) laser (660 nm) at an energy density of 8 J/cm2. Quantitative real-time polymerase chain reactions were used to assess the expression of pro-inflammatory genes, including tumor necrosis factor-α (TNF-α), interleukin (IL)-1β, IL-6, and IL-8. The dual-luciferase reporter assay was used to examine nuclear factor-κB (NF-κB) transcriptional activity. An enzyme-linked immunosorbent assay was used to monitor the concentration of intracellular cyclic adenosine monophosphate (cAMP). Both LPS treatments significantly induced the mRNA expression of pro-inflammatory cytokines. However, LLLT inhibited the LPS-induced pro-inflammatory cytokine expression and elevated intracellular levels of cAMP. The LLLT inhibitory effect may function by downregulating NF-κB transcriptional activity and by increasing the intracellular levels of cAMP. LLLT might inhibit LPS-induced inflammation in hPDLCs through cAMP/NF-κB regulation. These results should be further studied to improve periodontal therapy.
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Affiliation(s)
- Ji-Hua Lee
- School of Dentistry, College of Dental Medicine, Kaohsiung Medical University, 100, Shih-Chuan 1st Road, Kaohsiung, 80708, Taiwan
| | - Min-Hsuan Chiang
- School of Dentistry, College of Dental Medicine, Kaohsiung Medical University, 100, Shih-Chuan 1st Road, Kaohsiung, 80708, Taiwan.,Orthopaedic Research Center, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Ping-Ho Chen
- School of Dentistry, College of Dental Medicine, Kaohsiung Medical University, 100, Shih-Chuan 1st Road, Kaohsiung, 80708, Taiwan.,Institute of Biomedical Sciences, National Sun Yat-sen University, Kaohsiung, Taiwan.,Cancer Center, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Mei-Ling Ho
- Orthopaedic Research Center, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Department of Physiology, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Department of Marine Biotechnology and Resources, National Sun Yat-Sen University, Kaohsiung, Taiwan
| | - Huey-Er Lee
- School of Dentistry, College of Dental Medicine, Kaohsiung Medical University, 100, Shih-Chuan 1st Road, Kaohsiung, 80708, Taiwan.,Department of Dentistry, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Yan-Hsiung Wang
- School of Dentistry, College of Dental Medicine, Kaohsiung Medical University, 100, Shih-Chuan 1st Road, Kaohsiung, 80708, Taiwan. .,Orthopaedic Research Center, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.
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38
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Effect of in vivo low-level laser therapy on bone marrow-derived mesenchymal stem cells in ovariectomy-induced osteoporosis of rats. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2017; 175:29-36. [DOI: 10.1016/j.jphotobiol.2017.08.021] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Revised: 08/09/2017] [Accepted: 08/15/2017] [Indexed: 11/21/2022]
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39
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Tomazoni SS, Frigo L, Dos Reis Ferreira TC, Casalechi HL, Teixeira S, de Almeida P, Muscara MN, Marcos RL, Serra AJ, de Carvalho PDTC, Leal-Junior ECP. Effects of photobiomodulation therapy and topical non-steroidal anti-inflammatory drug on skeletal muscle injury induced by contusion in rats-part 2: biochemical aspects. Lasers Med Sci 2017; 32:1879-1887. [PMID: 28795275 DOI: 10.1007/s10103-017-2299-2] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2017] [Accepted: 07/31/2017] [Indexed: 12/25/2022]
Abstract
Muscle injuries trigger an inflammatory process, releasing important biochemical markers for tissue regeneration. The use of non-steroidal anti-inflammatory drugs (NSAIDs) is the treatment of choice to promote pain relief due to muscle injury. NSAIDs exhibit several adverse effects and their efficacy is questionable. Photobiomodulation therapy (PBMT) has been demonstrated to effectively modulate inflammation induced from musculoskeletal disorders and may be used as an alternative to NSAIDs. Here, we assessed and compared the effects of different doses of PBMT and topical NSAIDs on biochemical parameters during an acute inflammatory process triggered by a controlled model of contusion-induced musculoskeletal injury in rats. Muscle injury was induced by trauma to the anterior tibial muscle of rats. After 1 h, rats were treated with PBMT (830 nm, continuous mode, 100 mW of power, 35.71 W/cm2; 1, 3, and 9 J; 10, 30, and 90 s) or diclofenac sodium (1 g). Our results demonstrated that PBMT, 1 J (35.7 J/cm2), 3 J (107.1 J/cm2), and 9 J (321.4 J/cm2) reduced the expression of tumor necrosis factor alpha (TNF-α) and cyclooxygenase-2 (COX-2) genes at all assessed times as compared to the injury and diclofenac groups (p < 0.05). The diclofenac group showed reduced levels of COX-2 only in relation to the injury group (p < 0.05). COX-2 protein expression remained unchanged with all therapies except with PBMT at a 3-J dose at 12 h (p < 0.05 compared to the injury group). In addition, PBMT (1, 3, and 9 J) effectively reduced levels of cytokines TNF-α, interleukin (IL)-1β, and IL-6 at all assessed times as compared to the injury and diclofenac groups (p < 0.05). Thus, PBMT at a 3-J dose was more effective than other doses of PBMT and topical NSAIDs in the modulation of the inflammatory process caused by muscle contusion injuries.
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Affiliation(s)
- Shaiane Silva Tomazoni
- Masters and Doctoral Programs in Physical Therapy, Universidade Cidade de São Paulo (UNICID), Rua Cesário Galeno, 448/475, São Paulo, SP, 05508-900, Brazil.
| | - Lúcio Frigo
- Biological Sciences and Health Center, Cruzeiro do Sul University (UNICSUL), São Paulo, SP, Brazil
| | - Tereza Cristina Dos Reis Ferreira
- Laboratory of Phototherapy in Sports and Exercise, Nove de Julho University (UNINOVE), São Paulo, SP, Brazil.,Postgraduate Program in Rehabilitation Sciences, Nove de Julho University (UNINOVE), São Paulo, SP, Brazil
| | - Heliodora Leão Casalechi
- Laboratory of Phototherapy in Sports and Exercise, Nove de Julho University (UNINOVE), São Paulo, SP, Brazil
| | - Simone Teixeira
- Department of Pharmacology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, SP, Brazil
| | - Patrícia de Almeida
- Postgraduate Program in Biophotonics Applied to Health Sciences, Nove de Julho University (UNINOVE), São Paulo, SP, Brazil
| | - Marcelo Nicolas Muscara
- Department of Pharmacology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, SP, Brazil
| | - Rodrigo Labat Marcos
- Postgraduate Program in Biophotonics Applied to Health Sciences, Nove de Julho University (UNINOVE), São Paulo, SP, Brazil
| | - Andrey Jorge Serra
- Postgraduate Program in Biophotonics Applied to Health Sciences, Nove de Julho University (UNINOVE), São Paulo, SP, Brazil
| | - Paulo de Tarso Camillo de Carvalho
- Postgraduate Program in Rehabilitation Sciences, Nove de Julho University (UNINOVE), São Paulo, SP, Brazil.,Postgraduate Program in Biophotonics Applied to Health Sciences, Nove de Julho University (UNINOVE), São Paulo, SP, Brazil
| | - Ernesto Cesar Pinto Leal-Junior
- Laboratory of Phototherapy in Sports and Exercise, Nove de Julho University (UNINOVE), São Paulo, SP, Brazil.,Postgraduate Program in Rehabilitation Sciences, Nove de Julho University (UNINOVE), São Paulo, SP, Brazil
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40
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El Gammal ZH, Zaher AM, El-Badri N. Effect of low-level laser-treated mesenchymal stem cells on myocardial infarction. Lasers Med Sci 2017; 32:1637-1646. [PMID: 28681086 DOI: 10.1007/s10103-017-2271-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Accepted: 06/19/2017] [Indexed: 10/19/2022]
Abstract
Cardiovascular disease is the leading cause of death worldwide. Although cardiac transplantation is considered the most effective therapy for end-stage cardiac diseases, it is limited by the availability of matching donors and the complications of the immune suppressive regimen used to prevent graft rejection. Application of stem cell therapy in experimental animal models was shown to reverse cardiac remodeling, attenuate cardiac fibrosis, improve heart functions, and stimulate angiogenesis. The efficacy of stem cell therapy can be amplified by low-level laser radiation. It is well established that the bio-stimulatory effect of low-level laser is influenced by the following parameters: wavelength, power density, duration, energy density, delivery time, and the type of irradiated target. In this review, we evaluate the available experimental data on treatment of myocardial infarction using low-level laser. Eligible papers were characterized as in vivo experimental studies that evaluated the use of low-level laser therapy on stem cells in order to attenuate myocardial infarction. The following descriptors were used separately and in combination: laser therapy, low-level laser, low-power laser, stem cell, and myocardial infarction. The assessed low-level laser parameters were wavelength (635-804 nm), power density (6-50 mW/cm2), duration (20-150 s), energy density (0.96-1 J/cm2), delivery time (20 min-3 weeks after myocardial infarction), and the type of irradiated target (bone marrow or in vitro-cultured bone marrow mesenchymal stem cells). The analysis focused on the cardioprotective effect of this form of therapy, the attenuation of scar tissue, and the enhancement of angiogenesis as primary targets. Other effects such as cell survival, cell differentiation, and homing are also included. Among the evaluated protocols using different parameters, the best outcome for treating myocardial infarction was achieved by treating the bone marrow by one dose of low-level laser with 804 nm wavelength and 1 J/cm2 energy density within 4 h of the infarction. This approach increased stem cell survival, proliferation, and homing. It has also decreased the infarct size and cell apoptosis, leading to enhanced heart functions. These effects were stable for 6 weeks. However, more studies are still required to assess the effects of low-level laser on the genetic makeup of the cell, the nuclei, and the mitochondria of mesenchymal stromal cells (MSCs).
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Affiliation(s)
- Zaynab H El Gammal
- Center of Excellence for Stem Cells and Regenerative Medicine (CESC), Zewail City of Science and Technology, Cairo, 12588, Egypt
| | - Amr M Zaher
- National Institute of Heart, Cairo, 12651, Egypt
| | - Nagwa El-Badri
- Center of Excellence for Stem Cells and Regenerative Medicine (CESC), Zewail City of Science and Technology, Cairo, 12588, Egypt.
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Yin K, Zhu R, Wang S, Zhao RC. Low level laser (LLL) attenuate LPS-induced inflammatory responses in mesenchymal stem cells via the suppression of NF-κB signaling pathway in vitro. PLoS One 2017; 12:e0179175. [PMID: 28594941 PMCID: PMC5464618 DOI: 10.1371/journal.pone.0179175] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2017] [Accepted: 05/24/2017] [Indexed: 11/26/2022] Open
Abstract
Background Considering promising results in animal models and patients, therapeutic use of MSCs for immune disease is likely to undergo continued evaluation. Low-lever laser (LLL) has been widely applied to retard the inflammatory reaction. LLL treatment can potentially be applied in anti-inflammatory therapy followed by stem cell therapy. Aim of the study The purpose of this study was to investigate the effect of LLL (660 nm) on the inflammatory reaction induced by LPS in human adipose derived mesenchymal stem cells (hADSCs) and pertinent mechanism. Materials and methods Anti-inflammatory activity of LLL was investigated by LPS-induced mesenchymal stem cells. The production and expression of pro-inflammatory cytokines were evaluated by ELISA kits and RT-qPCR. Nuclear translocation of NF-κB was indicated by immunofluorescent staining. Phosphorylation status of NF-κB p65 and IκBα were illustrated by western blot assay. ROS generation was measured with CM-H2DCFDA, and NO secretion was determined by DAF-FM. We studied surface expression of lymphocyte activation markers when Purified peripheral blood mononuclear cell (PBMC) were activated by phytohaemagglutinin (PHA) in the presence of 3 types of treated MSCs. Results LLL reduced the secretion of IL-1β, IL-6, IL8, ROS and NO in LPS treated MSCs. Immunofluorescent assay demonstrated the nuclear translocation decrease of NF-κB in LLL treated LPS induced MSCs. Western blot analysis also suggested that LLL suppressed NF-κB activation via regulating the phosphorylation of p65 and IκBα. MSC significantly reduced the expression of activation markers CD25 and CD69 on PHA-stimulated lymphocytes. Conclusion The results indicate that LLL suppressed the activation of NF-κB signaling pathway in LPS treated MSCs through inhibiting phosphorylation of p65 and IκBα, which results in good anti-inflammatory effect. In addition, LLL attenuated activation-associated markers CD25 and CD69 in co-cultures of PBMC and 3 types of treated MSCs.
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Affiliation(s)
- Kan Yin
- Centre of Excellence in Tissue Engineering, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People's Republic of China
| | - Rongjia Zhu
- Centre of Excellence in Tissue Engineering, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People's Republic of China
| | - Shihua Wang
- Centre of Excellence in Tissue Engineering, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People's Republic of China
| | - Robert Chunhua Zhao
- Centre of Excellence in Tissue Engineering, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People's Republic of China
- * E-mail:
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42
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Absence of NUCKS augments paracrine effects of mesenchymal stem cells-mediated cardiac protection. Exp Cell Res 2017; 356:74-84. [PMID: 28412246 DOI: 10.1016/j.yexcr.2017.04.012] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2017] [Revised: 04/07/2017] [Accepted: 04/09/2017] [Indexed: 01/06/2023]
Abstract
Bone marrow-derived mesenchymal stem cells (BM-MSCs) contribute to myocardial repair after myocardial infarction (MI) by secreting a panel of growth factors and cytokines. This study was to investigate the potential mechanisms of the nuclear casein kinase and cyclin-dependent kinase substrate 1 (NUCKS) in regulation of the profiles of BM-MSCs secretion and compare the therapeutic efficacy of NUCKS-/-- and wide type-BM-MSCs (WT-BM-MSCs) on MI. The secretion profiles between NUCKS-/-- and WT-BM-MSCs under hypoxia (1%O2) were analyzed. Gene function analysis showed that compared with WT-BM-MSCs-conditioned medium (CdM), some genes over-presented in NUCKS-/--BM-MSCs-CdM were closely associated with inflammatory response, regulation of cell proliferation, death, migration and secretion. Notably, VEGFa in NUCKS-/--BM-MSCs-CdM was higher than that of WT-BM-MSCs-CdM. WT-BM-MSCs and NUCKS-/--BM-MSCs were transplanted into the peri-infarct region in mice of MI. At 4 weeks after cell transplantation, NUCKS-/-- or WT-BM-MSCs group significantly improved heart function and vessels density and reduced infarction size and apoptosis of cardiomyocytes. Furthermore, NUCKS-/--BM-MSCs provided better cardioprotective effects than WT-BM-MSCs against MI. Our study demonstrates that depletion of NUCKS enhances the therapeutic efficacy of BM-MSCs for MI via regulating the secretion.
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Yeh MC, Chen KK, Chiang MH, Chen CH, Chen PH, Lee HE, Wang YH. Low-power laser irradiation inhibits arecoline-induced fibrosis: an in vitro study. Int J Oral Sci 2017; 9:38-42. [PMID: 28233766 PMCID: PMC5379159 DOI: 10.1038/ijos.2016.49] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/08/2016] [Indexed: 12/24/2022] Open
Abstract
Oral submucous fibrosis (OSF) is a potentially malignant disorder that is characterized by a progressive fibrosis in the oral submucosa. Arecoline, an alkaloid compound of the areca nut, is reported to be a major aetiological factor in the development of OSF. Low-power laser irradiation (LPLI) has been reported to be beneficial in fibrosis prevention in different damaged organs. The aim of this study was to investigate the potential therapeutic effects of LPLI on arecoline-induced fibrosis. Arecoline-stimulated human gingival fibroblasts (HGFs) were treated with or without LPLI. The expression levels of the fibrotic marker genes alpha-smooth muscle actin (α-SMA) and connective tissue growth factor (CTGF/CCN2) were analysed by quantitative real-time reverse transcription polymerase chain reaction (RT-PCR) and western blots. In addition, the transcriptional activity of CCN2 was further determined by a reporter assay. The results indicated that arecoline increased the messenger RNA and protein expression of CCN2 and α-SMA in HGF. Interestingly, both LPLI and forskolin, an adenylyl cyclase activator, reduced the expression of arecoline-mediated fibrotic marker genes and inhibited the transcriptional activity of CCN2. Moreover, pretreatment with SQ22536, an adenylyl cyclase inhibitor, blocked LPLI's inhibition of the expression of arecoline-mediated fibrotic marker genes. Our data suggest that LPLI may inhibit the expression of arecoline-mediated fibrotic marker genes via the cAMP signalling pathway.
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Affiliation(s)
- Mei-Chun Yeh
- School of Dentistry, College of Dental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Ker-Kong Chen
- School of Dentistry, College of Dental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Department of Dentistry, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Min-Hsuan Chiang
- School of Dentistry, College of Dental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Orthopaedic Research Center, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Chia-Hsin Chen
- Orthopaedic Research Center, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Department of Physical Medicine and Rehabilitation, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.,Department of Physical Medicine and Rehabilitation, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Ping-Ho Chen
- School of Dentistry, College of Dental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Huey-Er Lee
- School of Dentistry, College of Dental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Department of Dentistry, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Yan-Hsiung Wang
- School of Dentistry, College of Dental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Orthopaedic Research Center, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
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Bartos A, Grondin Y, Bortoni ME, Ghelfi E, Sepulveda R, Carroll J, Rogers RA. Pre-conditioning with near infrared photobiomodulation reduces inflammatory cytokines and markers of oxidative stress in cochlear hair cells. JOURNAL OF BIOPHOTONICS 2016; 9:1125-1135. [PMID: 26790619 DOI: 10.1002/jbio.201500209] [Citation(s) in RCA: 263] [Impact Index Per Article: 32.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2015] [Revised: 12/11/2015] [Accepted: 12/12/2015] [Indexed: 06/05/2023]
Abstract
Hearing loss is a serious occupational health problem worldwide. Noise, aminoglycoside antibiotics and chemotherapeutic drugs induce hearing loss through changes in metabolic functions resulting in sensory cell death in the cochlea. Metabolic sequelae from noise exposure increase production of nitric oxide (NO) and Reactive Oxygen Species (ROS) contributing to higher levels of oxidative stress beyond the physiologic threshold levels of intracellular repair. Photobiomodulation (PBM) therapy is a light treatment involving endogenous chromophores commonly used to reduce inflammation and promote tissue repair. Near infrared light (NIR) from Light Emitting Diodes (LED) at 810 nm wavelength were used as a biochemical modulator of cytokine response in cultured HEI-OC1 auditory cells placed under oxidative stress. Results reported here show that NIR PBM at 810 nm, 30 mW/cm2 , 100 seconds, 1.0 J, 3 J/cm2 altered mitochondrial metabolism and oxidative stress response for up to 24 hours post treatment. We report a decrease of inflammatory cytokines and stress levels resulting from NIR applied to HEI-OC1 auditory cells before treatment with gentamicin or lipopolysaccharide. These results show that cells pretreated with NIR exhibit reduction of proinflammatory markers that correlate with inhibition of mitochondrial superoxide, ROS and NO in response to continuous oxidative stress challenges. Non-invasive biomolecular down regulation of proinflammatory intracellular metabolic pathways and suppression of oxidative stress via NIR may have the potential to develop novel therapeutic approaches to address noise exposure and ototoxic compounds associated with hearing loss.
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Affiliation(s)
- Adam Bartos
- Harvard University - Harvard T.H. Chan School of Public Health, Molecular and Integrative Physiological Sciences - Department of Environmental Health, Building 1, 665 Huntington Ave, Boston, MA, 02115, USA
| | - Yohann Grondin
- Harvard University - Harvard T.H. Chan School of Public Health, Molecular and Integrative Physiological Sciences - Department of Environmental Health, Building 1, 665 Huntington Ave, Boston, MA, 02115, USA
| | - Magda E Bortoni
- Harvard University - Harvard T.H. Chan School of Public Health, Molecular and Integrative Physiological Sciences - Department of Environmental Health, Building 1, 665 Huntington Ave, Boston, MA, 02115, USA
| | - Elisa Ghelfi
- Harvard University - Harvard T.H. Chan School of Public Health, Molecular and Integrative Physiological Sciences - Department of Environmental Health, Building 1, 665 Huntington Ave, Boston, MA, 02115, USA
| | - Rosalinda Sepulveda
- Harvard University - Harvard T.H. Chan School of Public Health, Molecular and Integrative Physiological Sciences - Department of Environmental Health, Building 1, 665 Huntington Ave, Boston, MA, 02115, USA
| | - James Carroll
- THOR Photomedicine Ltd, Chesham, HP5 1LF, United Kingdom
| | - Rick A Rogers
- Harvard University - Harvard T.H. Chan School of Public Health, Molecular and Integrative Physiological Sciences - Department of Environmental Health, Building 1, 665 Huntington Ave, Boston, MA, 02115, USA
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45
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Photobiomodulation of Dental Derived Mesenchymal Stem Cells: A Systematic Review. Photomed Laser Surg 2016; 34:500-508. [DOI: 10.1089/pho.2015.4038] [Citation(s) in RCA: 284] [Impact Index Per Article: 35.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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46
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Wang Z, Liu Z, Zhou L, Long T, Zhou X, Bao Y. Immunomodulatory effect of APS and PSP is mediated by Ca2 +-cAMP and TLR4/NF-κB signaling pathway in macrophage. Int J Biol Macromol 2016; 94:283-289. [PMID: 27732877 DOI: 10.1016/j.ijbiomac.2016.10.018] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2016] [Revised: 10/06/2016] [Accepted: 10/07/2016] [Indexed: 11/19/2022]
Abstract
OBJECTIVE This study is to investigate the role of second messengers and TLR4/NF-κB signaling pathway in the immunomodulatory activities of Astragalus polysaccharide (APS) and Polysaccharopeptide (PSP) in macrophages. METHODS RAW 264.7 macrophage cells were treated with APS, PSP, lipopolysaccharide (LPS), or NiCl2. Power-spectral method was used to detect protein kinase C (PKC) and Griess reaction to detect nitric oxide (NO). ELISA was conducted to detect cyclic adenosine monophosphate (cAMP), diglycerides (DAG), inositol 1, 4, 5-triphosphate (IP3), tumor necrosis factor-α (TNF-α) and interleukin-6 (IL-6). Confocal laser scanning microscopy was performed to detect calcium level. qRT-PCR and Western blot was used to detect mRNA and protein expression of NF-κB. RESULTS APS and PSP significantly increased the concentrations of intracellular second messengers (NO, cAMP, DAG, IP3, Ca2+) and the activity of PKC in macrophages (p<0.05).The intracellular NF-κB mRNA and protein levels were significantly increased in macrophages treated by APS and PSP (p<0.05), whereas those were significantly decreased after NiCl2 incubation (p<0.05). Similarly, the secretion of TNF-α and IL-6 were significantly decreased by the treatment of NiCl2. CONCLUSION Our findings strongly suggest that Ca2+-cAMP and TLR4/NF-κB signaling pathways are, at least partly, involved in APS and PSP mediated immunomodulatory activities in macrophages.
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Affiliation(s)
- Zhixue Wang
- Department of Clinical Laboratory, the Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, China
| | - Zijing Liu
- Department of Clinical Medicine, Xinjiang Medical University, Urumqi 830054, China
| | - Lijng Zhou
- Department of Clinical Laboratory, the Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, China
| | - Tingting Long
- Department of Clinical Laboratory, the Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, China
| | - Xing Zhou
- Department of Clinical Laboratory, the Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, China
| | - Yixi Bao
- Department of Clinical Laboratory, the Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, China.
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47
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Ren C, McGrath C, Jin L, Zhang C, Yang Y. Effect of diode low-level lasers on fibroblasts derived from human periodontal tissue: a systematic review of in vitro studies. Lasers Med Sci 2016; 31:1493-510. [DOI: 10.1007/s10103-016-2026-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2015] [Accepted: 07/05/2016] [Indexed: 10/21/2022]
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48
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Moskvin SV, Klyuchnikov DY, Antipov EV, Gorina AI, Kiseleva ON. [The influence of continuous low-intensity laser radiation at the red (635 nm) and green (525 nm) wavelengths on the human mesenchymal stem cells in vitro: a review of the literature and original investigations]. VOPROSY KURORTOLOGII, FIZIOTERAPII, I LECHEBNOĬ FIZICHESKOĬ KULTURY 2016; 93:32-42. [PMID: 27213947 DOI: 10.17116/kurort2016232-42] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
UNLABELLED Low-intensity laser radiation can be used as one of the methods for the non-specific regulation of the human mesenchymal stem cell (MSC) activity at the preliminary stage of their in vitro cultivation. The objective of the present study was to estimate the influence of the limiting regimes of continuous low-intensity laser radiation (CLIR) of red (635 nm) and green (525 nm) spectra. MATERIAL AND METHODS The adhesive culture of human mesenchymal stem cells obtained from a donor's umbilical cord tissue was used in the experiments (following 4 passages). They were irradiated using a Lazmik-VLOK laser therapeutic device equipped with the KLO-635-40 (635 nm, 4,9 mW/cm(2)) and KLO-525-50 (525 nm, 5,4 mW/cm(2)) laser diode emitting heads operating in a continuous mode. A special nozzle (jar) for laser and vacuum massage (KB-5, 35 cm in diameter) was employed to fix the heads. The exposure time in all the irradiation regimes was 5 minutes. CONCLUSION The study has demonstrated that neither the morphological features nor the viability of mesenchymal stem cells was altered under the influence of laser irradiation at the aforementioned energy and time parameters. The data obtained indicate that laser irradiation with the limiting levels of the chosen energy parameters produces no positive effect on the cell proliferative activity; more than that, it may cause its inhibition.
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Affiliation(s)
- S V Moskvin
- Federal state budgetary institution 'State Research Centre of Laser Medicine', Russian Federal Medico-Biological Agency, Moscow, Russia
| | - D Yu Klyuchnikov
- State budgetary healthcare facility 'Samara Regional Centre for Family Planning and Reproduction', Samara, Russia
| | - E V Antipov
- Non-government educational facility of higher professional education 'REAVIZ', Samara, Russia
| | - A I Gorina
- State budgetary healthcare facility 'Samara Regional Centre for Family Planning and Reproduction', Samara, Russia
| | - O N Kiseleva
- Non-government educational facility of higher professional education 'REAVIZ', Samara, Russia
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de Freitas LF, Hamblin MR. Proposed Mechanisms of Photobiomodulation or Low-Level Light Therapy. IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS : A PUBLICATION OF THE IEEE LASERS AND ELECTRO-OPTICS SOCIETY 2016; 22:7000417. [PMID: 28070154 PMCID: PMC5215870 DOI: 10.1109/jstqe.2016.2561201] [Citation(s) in RCA: 702] [Impact Index Per Article: 87.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Photobiomodulation (PBM) also known as low-level laser (or light) therapy (LLLT), has been known for almost 50 years but still has not gained widespread acceptance, largely due to uncertainty about the molecular, cellular, and tissular mechanisms of action. However, in recent years, much knowledge has been gained in this area, which will be summarized in this review. One of the most important chromophores is cytochrome c oxidase (unit IV in the mitochondrial respiratory chain), which contains both heme and copper centers and absorbs light into the near-infra-red region. The leading hypothesis is that the photons dissociate inhibitory nitric oxide from the enzyme, leading to an increase in electron transport, mitochondrial membrane potential and ATP production. Another hypothesis concerns light-sensitive ion channels that can be activated allowing calcium to enter the cell. After the initial photon absorption events, numerous signaling pathways are activated via reactive oxygen species, cyclic AMP, NO and Ca2+, leading to activation of transcription factors. These transcription factors can lead to increased expression of genes related to protein synthesis, cell migration and proliferation, anti-inflammatory signaling, anti-apoptotic proteins, antioxidant enzymes. Stem cells and progenitor cells appear to be particularly susceptible to LLLT.
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Affiliation(s)
- Lucas Freitas de Freitas
- Programa de Pós-Graduação
Interunidades Bioengenharia, University of São Paulo, São Carlos -
SP, Brazil
- Wellman Center for Photomedicine, Harvard Medical School,
Boston, MA 02114, USA
| | - Michael R Hamblin
- Wellman Center for Photomedicine, Harvard Medical School,
Boston, MA 02114, USA
- Department of Dermatology, Harvard Medical School, Boston,
MA 02115, USA
- Harvard-MIT Division of Health Sciences and Technology,
Cambridge, MA 02139, USA
- Correspondence: Michael R Hamblin,
; Tel 1-617-726-6182
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Photobiomodulation on human annulus fibrosus cells during the intervertebral disk degeneration: extracellular matrix-modifying enzymes. Lasers Med Sci 2016; 31:767-77. [PMID: 26987527 DOI: 10.1007/s10103-016-1923-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2015] [Accepted: 03/08/2016] [Indexed: 01/07/2023]
Abstract
Destruction of extracellular matrix (ECM) leads to degeneration of the intervertebral disk (IVD), which is a major contributor to many spine disorders. IVD degeneration is induced by pro-inflammatory cytokines, such as tumor necrosis factor-alpha (TNF-α) and interleukin-1 beta (IL-1β), which are secreted by immune cells, including macrophages and neutrophils. The cytokines modulate ECM-modifying enzymes such as matrix metalloproteinases (MMPs) and tissue inhibitors of metalloproteinases (TIMPs) in human annulus fibrosus (AF) cells. The resulting imbalance in catabolic and anabolic enzymes can cause generalized back, neck, and low back pain (LBP). Photobiomodulation (PBM) is known to regulate inflammatory responses and wound healing. The aim of this study was to mimic the degenerative IVD microenvironment, and to investigate the effect of a variety of PBM conditions (wavelength: 635, 525, and 470 nm; energy density: 16, 32, and 64 J/cm(2)) on the production of ECM-modifying-enzymes by AF cells under degenerative conditions induced by macrophage-conditioned medium (MCM), which contains pro-inflammatory cytokines such as TNF-α and IL-β secreted by macrophage during the development of intervertebral disk inflammation. We showed that the MCM-stimulated AF cells express imbalanced ratios of TIMPs (TIMP-1 and TIMP-2) and MMPs (MMP-1 and MMP-3). PBM selectively modulated the production of ECM-modifying enzymes in AF cells. These results suggest that PBM can be a therapeutic tool for degenerative IVD disorders.
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