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Özalp Ö, Göksu O, Toru HS, Altay MA, Sindel A. Comparing the effects of low-level laser therapy and gaseous ozone as a preventive measure on medication-related osteonecrosis of the jaws following tooth extraction: a rat model. Eur J Med Res 2024; 29:359. [PMID: 38978136 PMCID: PMC11232170 DOI: 10.1186/s40001-024-01907-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Accepted: 05/29/2024] [Indexed: 07/10/2024] Open
Abstract
OBJECTIVES Use of numerous medications such as tyrosine kinase inhibitors (sunitinib), monoclonal antibodies (bevacizumab), fusion proteins (aflibercept), mTOR inhibitors (everolimus), radiopharmaceuticals (radium 223), selective estrogen receptor modulators (raloxifene), and immunosuppressants (methotrexate and corticosteroids) has been reported to be a risk factor for development of medication-related osteonecrosis of the jaws till date. This study aimed to evaluate the preventive effect of low-level laser therapy (LLLT) and gaseous ozone on the onset of MRONJ following tooth extraction. MATERIALS AND METHODS A total of 40 male Wistar rats were randomly allocated into 4 groups of 10 rats each. The groups laser (L), ozone (O), and control (C) received weekly intraperitoneal injections of zoledronic acid (0.06 mg/kg), while group sham (S) received saline solution for 4 weeks. After the 4th injection, all subjects underwent mandibular first molar extraction and adjunctive laser or ozone was applied according to the groups. All the rats were sacrificed at 4 postoperative weeks for comparative histomorphometric evaluation of bone healing in extraction sites. RESULTS Laser and ozone groups demonstrated significantly higher bone formation compared to control group (p < 0.05), while no significant difference was found between laser and ozone groups (p = 1.00). Furthermore, the greatest bone formation was observed with the sham group (p < 0.05). CONCLUSIONS Findings of the current study support that adjunctive LLLT and ozone therapy following tooth extraction may help prevent MRONJ and improve bone healing in subjects under zoledronic acid therapy. CLINICAL RELEVANCE Since the introduction in 2003, great effort has been devoted to developing a certain management protocol for MRONJ. Several publications have appeared in recent years documenting promising results of adjunctive LLLT and ozone application in treatment of MRONJ. However, experimental data are limited on this regard and the present study, for the first time, aimed to evaluate and compare the effects of LLLT and ozone in prevention of MRONJ.
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Affiliation(s)
- Öznur Özalp
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Akdeniz University, Dumlupinar Boulevard, Campus, 07058, Antalya, Turkey
| | - Oğuzcan Göksu
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Akdeniz University, Dumlupinar Boulevard, Campus, 07058, Antalya, Turkey
| | - Havva Serap Toru
- Department of Pathology, Faculty of Medicine, Akdeniz University, Antalya, Turkey
| | - Mehmet Ali Altay
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Akdeniz University, Dumlupinar Boulevard, Campus, 07058, Antalya, Turkey
| | - Alper Sindel
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Akdeniz University, Dumlupinar Boulevard, Campus, 07058, Antalya, Turkey.
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Etemadi A, Karimi MA, Karimi M, Hodjat M, Pour MS, Karimi A, Chiniforush N. A comparative evaluation of the effects of 635 nm laser on cell proliferation and osteogenic differentiation of buccal fat pad mesenchymal stem cells. Photochem Photobiol 2024. [PMID: 38940369 DOI: 10.1111/php.13992] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2024] [Revised: 06/15/2024] [Accepted: 06/16/2024] [Indexed: 06/29/2024]
Abstract
The purpose of this study was to evaluate the effects of 635 nm diode laser with different powers on undifferentiated mesenchymal stem cells obtained from buccal fat pad. Human buccal fat stem cells were cultured in DMEM containing 10% FBS, penicillin, and streptomycin under 5% CO2 and 95% humidity. Cells were cultured in 96-well plate and 24 h later, laser irradiation with 635 nm diode laser was performed in four groups of 200, 300, 400, and 500 mW powers in addition to the control group with the same energy density of 4 J/cm2. MTT and flow cytometry assay was performed to evaluate cell proliferation and viability on 2 and 4 days after irradiation. Alizarin red assay and real-time PCR (OPN, OCN, ALP, and RUNX-2 genes) was performed to evaluate osteogenic differentiation. According to the MTT assay, none of the mentioned powers of 635 nm diode laser had significant effect on cell proliferation. Cells irradiated with power of 400 mW and 500 mW significantly showed a greater number of necrotic cells compared to the control group in Day 4. Cells irradiated with 300 mW power significantly exhibited a greater amount of nodule formation compared to all groups. Results of this study indicated that 635 nm diode laser with energy density of 4 J/cm2 has a positive effect inducing osteogenic differentiation when applying with a power of 300 mW in buccal fat pad mesenchymal stem cells.
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Affiliation(s)
- Ardavan Etemadi
- Department of Periodontics, Faculty of Dentistry, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Mohammad Amin Karimi
- Faculty of Dentistry, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Mohammadreza Karimi
- Department of Periodontics, Faculty of Dentistry, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Mahshid Hodjat
- Dental Research Center, Dentistry Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Mahsa Sheibani Pour
- Faculty of Dentistry, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Alireza Karimi
- Department of Preventive and Restorative Dental Sciences, University of California San Francisco (UCSF) School of Dentistry, California, USA
| | - Nasim Chiniforush
- Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, Genoa, Italy
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3
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Abdal Dayem A, Yan E, Do M, Kim Y, Lee Y, Cho SG, Kim DH. Engineering extracellular vesicles for ROS scavenging and tissue regeneration. NANO CONVERGENCE 2024; 11:24. [PMID: 38922501 PMCID: PMC11208369 DOI: 10.1186/s40580-024-00430-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Accepted: 05/22/2024] [Indexed: 06/27/2024]
Abstract
Stem cell therapy holds promise for tissue regeneration, yet significant challenges persist. Emerging as a safer and potentially more effective alternative, extracellular vesicles (EVs) derived from stem cells exhibit remarkable abilities to activate critical signaling cascades, thereby facilitating tissue repair. EVs, nano-scale membrane vesicles, mediate intercellular communication by encapsulating a diverse cargo of proteins, lipids, and nucleic acids. Their therapeutic potential lies in delivering cargos, activating signaling pathways, and efficiently mitigating oxidative stress-an essential aspect of overcoming limitations in stem cell-based tissue repair. This review focuses on engineering and applying EVs in tissue regeneration, emphasizing their role in regulating reactive oxygen species (ROS) pathways. Additionally, we explore strategies to enhance EV therapeutic activity, including functionalization and incorporation of antioxidant defense proteins. Understanding these molecular mechanisms is crucial for optimizing EV-based regenerative therapies. Insights into EV and ROS signaling modulation pave the way for targeted and efficient regenerative therapies harnessing the potential of EVs.
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Affiliation(s)
- Ahmed Abdal Dayem
- Department of Stem Cell and Regenerative Biotechnology, Molecular & Cellular Reprogramming Center, Institute of Advanced Regenerative Science, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul, 05029, Republic of Korea
| | - Ellie Yan
- Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD, 21205, USA
| | - Minjae Do
- Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD, 21205, USA
| | - Yoojung Kim
- Department of Stem Cell and Regenerative Biotechnology, Molecular & Cellular Reprogramming Center, Institute of Advanced Regenerative Science, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul, 05029, Republic of Korea
| | - Yeongseo Lee
- Department of Stem Cell and Regenerative Biotechnology, Molecular & Cellular Reprogramming Center, Institute of Advanced Regenerative Science, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul, 05029, Republic of Korea
| | - Ssang-Goo Cho
- Department of Stem Cell and Regenerative Biotechnology, Molecular & Cellular Reprogramming Center, Institute of Advanced Regenerative Science, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul, 05029, Republic of Korea.
- R&D Team, StemExOne Co., Ltd., 307 KU Technology Innovation Bldg, 120, Neungdong-ro, Gwangjin- gu, Seoul, 05029, Republic of Korea.
| | - Deok-Ho Kim
- Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD, 21205, USA.
- Department of Mechanical Engineering, Johns Hopkins University, Baltimore, MD, 21205, USA.
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, 21205, USA.
- Center for Microphysiological Systems, Johns Hopkins University, Baltimore, MD, 21205, USA.
- Institute for NanoBiotechnology, Johns Hopkins University, Baltimore, MD, 21218, USA.
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, 21205, USA.
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Ben Ghedalia Peled N, Hoffman DK, Barsky L, Zer NS, Amar K, Rapaport H, Gheber LA, Zhang XHF, Vago R. Bone Endosteal Mimics Regulates Breast Cancer Development and Phenotype. Biomacromolecules 2024; 25:2338-2347. [PMID: 38499995 DOI: 10.1021/acs.biomac.3c01217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/20/2024]
Abstract
Bone is a frequent site for metastatic development in various cancer types, including breast cancer, with a grim prognosis due to the distinct bone environment. Despite considerable advances, our understanding of the underlying processes leading to bone metastasis progression remains elusive. Here, we applied a bioactive three-dimensional (3D) model capable of mimicking the endosteal bone microenvironment. MDA-MB-231 and MCF7 breast cancer cells were cultured on the scaffolds, and their behaviors and the effects of the biomaterial on the cells were examined over time. We demonstrated that close interactions between the cells and the biomaterial affect their proliferation rates and the expression of c-Myc, cyclin D, and KI67, leading to cell cycle arrest. Moreover, invasion assays revealed increased invasiveness within this microenvironment. Our findings suggest a dual role for endosteal mimicking signals, influencing cell fate and potentially acting as a double-edged sword, shuttling between cell cycle arrest and more active, aggressive states.
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Affiliation(s)
- Noa Ben Ghedalia Peled
- Avram and Stella Goldstein-Goren Department of Biotechnology Engineering, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
| | - Dane K Hoffman
- Lester and Sue Smith Breast Center, Baylor College of Medicine, Houston, Texas 77030, United States
- Graduate School of Biomedical Sciences Cancer and Cell Biology Graduate Program (CCB), Baylor College of Medicine, Houston, Texas 77030, United States
| | - Livnat Barsky
- Avram and Stella Goldstein-Goren Department of Biotechnology Engineering, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
| | - Noy S Zer
- Avram and Stella Goldstein-Goren Department of Biotechnology Engineering, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
| | - Katya Amar
- Avram and Stella Goldstein-Goren Department of Biotechnology Engineering, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
| | - Hanna Rapaport
- Avram and Stella Goldstein-Goren Department of Biotechnology Engineering, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
- Ilse Katz Institute for Nanoscale Science and Technology (IKI), Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
| | - Levi A Gheber
- Avram and Stella Goldstein-Goren Department of Biotechnology Engineering, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
| | - Xiang H-F Zhang
- Lester and Sue Smith Breast Center, Baylor College of Medicine, Houston, Texas 77030, United States
- Dan L. Duncan Cancer Center, Baylor College of Medicine, Houston, Texas 77030, United States
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas 77030, United States
| | - Razi Vago
- Avram and Stella Goldstein-Goren Department of Biotechnology Engineering, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
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Rahmati A, Abbasi R, Najafi R, Asnaashari M, Behroozi R, Rezaei-Soufi L, Karkehabadi H. Effect of Low-Level Diode Laser and Red Light-Emitting Diode on Survival and Osteogenic/Odontogenic Differentiation of Human Dental Pulp Stem Cells. Photobiomodul Photomed Laser Surg 2024; 42:306-313. [PMID: 38546858 DOI: 10.1089/photob.2023.0127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2024] Open
Abstract
Background: This investigation set out to compare the impacts of low-level diode laser (LLDL) and red light-emitting diode (LED) on the survival of human dental pulp stem cells (hDPSCs) and osteogenic/odontogenic differentiation. Methods and materials: In this ex vivo experimental study, the experimental groups underwent the irradiation of LLDL (4 J/cm2 energy density) and red LED in the osteogenic medium. Survival of hDPSCs was assessed after 24 and 48 h (n = 9) using the methyl thiazolyl tetrazolium (MTT) assay. The assessment of osteogenic/odontogenic differentiation was conducted using alizarin red staining (ARS; three repetitions). The investigation of osteogenic and odontogenic gene expression was performed at two time points, specifically 24 and 48 h (n = 12). This analysis was performed utilizing real-time reverse-transcription polymerase chain reaction (RT-PCR). The groups were compared at each time point using SPSS version 24. To analyze the data, the Mann-Whitney U test, analysis of variance, Tukey's test, and t-test were utilized. Results: The MTT assay showed that LLDL significantly decreased the survival of hDPSCs after 48 h, compared with other groups (p < 0.05). The qualitative results of ARS revealed that LLDL and red LED increased the osteogenic differentiation of hDPSCs. LLDL and red LED both upregulated the expression of osteogenic/odontogenic genes, including bone sialoprotein (BSP), alkaline phosphatase (ALP), dentin matrix protein 1 (DMP1), and dentin sialophosphoprotein (DSPP), in hDPSCs. The LLDL group exhibited a higher level of gene upregulation (p < 0.0001). Conclusions: The cell survival of hDPSCs was reduced, despite an increase in osteogenic/odontogenic activity. Clinical relevance: Introduction of noninvasive methods in regenerative endodontic treatments.
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Affiliation(s)
- Afsaneh Rahmati
- Department of Endodontics, School of Dentistry, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Roshanak Abbasi
- Department of Endodontics, School of Dentistry, Lorestan University of Medical Sciences, Khorramabad, Iran
| | - Rezvan Najafi
- Department of Medical Molecular & Genetics, Faculty of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Mohammad Asnaashari
- Laser Application in Medical Sciences Research Center, Department of Endodontics, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Loghman Rezaei-Soufi
- Department of Operative Dentistry, Dental Research Center, School of Dentistry, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Hamed Karkehabadi
- Department of Endodontics, Dental Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
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Alam M, Karami S, Mohammadikhah M, Badkoobeh A, Golkar M, Abbasi K, Soufdoost RS, Hakim LK, Talebi S, Namanloo RA, Hussain A, Heboyan A, Tebyaniyan H. The effect of photobiomodulation therapy in common maxillofacial injuries: Current status. Cell Biochem Funct 2024; 42:e3951. [PMID: 38349051 DOI: 10.1002/cbf.3951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 01/04/2024] [Accepted: 01/28/2024] [Indexed: 02/15/2024]
Abstract
The use of photobiomodulation therapy (PBMT) may be used for treating trauma to the maxillofacial region. The effects of PBMT on maxillofacial injuries were discussed in this review article. The electronic databases Pubmed, Scopus, and Web of Science were thoroughly searched. This review included in vitro, in vivo, and clinical studies describing how PBMT can be used in maxillofacial tissue engineering and regenerative medicine. Some studies suggest that PBMT may offer a promising therapy for traumatic maxillofacial injuries because it can stimulate the differentiation and proliferation of various cells, including dental pulp cells and mesenchymal stem cells, enhancing bone regeneration and osseointegration. PBMT reduces pain and swelling after oral surgery and tooth extraction in human and animal models of maxillofacial injuries. Patients with temporomandibular disorders also benefit from PBMT in terms of reduced inflammation and symptoms. PBMT still has some limitations, such as the need for standardizing parameters. PBMT must also be evaluated further in randomized controlled trials in various maxillofacial injuries. As a result, PBMT offers a safe and noninvasive treatment option for patients suffering from traumatic maxillofacial injuries. PBMT still requires further research to establish its efficacy in clinical practice and determine the optimal parameters.
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Affiliation(s)
- Mostafa Alam
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Meysam Mohammadikhah
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Alborz University of Medical Sciences, Karaj, Iran
| | - Ashkan Badkoobeh
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Qom University of Medical Sciences, Qom, Iran
| | - Mohsen Golkar
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Kamyar Abbasi
- Department of Prosthodontics, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | | | - Sahar Talebi
- Research Committee, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran
| | | | - Ahmed Hussain
- School of Dentistry, Edmonton Clinic Health Academy, University of Alberta, Edmonton, Canada
| | - Artak Heboyan
- Department of Prosthodontics, Faculty of Stomatology, Yerevan State Medical University after Mkhitar Heratsi, Yerevan, Armenia
- Department of Research Analytics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India
| | - Hamid Tebyaniyan
- Department of Science and Research, Islimic Azade University, Tehran, Iran
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Firoozi P, Amiri MA, Soghli N, Farshidfar N, Hakimiha N, Fekrazad R. The Role of Photobiomodulation on Dental-Derived Stem Cells in Regenerative Dentistry: A Comprehensive Systematic Review. Curr Stem Cell Res Ther 2024; 19:559-586. [PMID: 35950251 DOI: 10.2174/1574888x17666220810141411] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 05/17/2022] [Accepted: 06/17/2022] [Indexed: 11/22/2022]
Abstract
BACKGROUND Photobiomodulation therapy involves exposing tissues to light sources, including light-emitting diodes or low-level lasers, which results in cellular function modulation. The molecular mechanism of this treatment is revealed, demonstrating that depending on the light settings utilized, it has the potential to elicit both stimulatory and inhibitory reactions. OBJECTIVE The current systematic review aimed to evaluate the impact of photobiomodulation therapy on dental stem cells and provide an evidence-based conclusion in this regard. METHODS This systematic review was performed and reported based on the Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) revised guidelines. PICO(S) components were employed to define the inclusion criteria. Web of Science, Scopus, Medline as well as grey literature, and google scholar were searched up to September 2021 to retrieve relevant papers. RESULTS Photobiomodulation therapy showed promising effects on the proliferation, viability, and differentiation of dental stem cells. This finding was based on reviewing related articles with a low risk of bias. CONCLUSION Despite the positive benefits of photobiomodulation therapy on dental stem cells, the current data do not provide a definitive conclusion on the best physical parameters for enhancing cell viability, proliferation, and differentiation.
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Affiliation(s)
- Parsa Firoozi
- Student Research Committee, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Mohammad Amin Amiri
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Negin Soghli
- Student Research Committee, Babol University of Medical Sciences, Babol, Iran
| | - Nima Farshidfar
- Orthodontic Research Center, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Neda Hakimiha
- Laser Application in Medical Sciences Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Reza Fekrazad
- Laser Research Centre in Medical Sciences, AJA University of Medical Sciences, Tehran, Iran
- International Network for Photo Medicine and Photo Dynamic Therapy (INPMPDT), Universal Scientific Education and Research Network (USERN), Tehran, Iran
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Karkehabadi H, Rahmati A, Abbasi R, Farmany A, Najafi R, Behroozi R, Rezaei-Soufi L, Abbaspourrokni H. Effect of copper oxide nanoparticles and light-emitting diode irradiation on the cell viability and osteogenic/odontogenic differentiation of human stem cells from the apical papilla. BMC Oral Health 2023; 23:249. [PMID: 37118787 PMCID: PMC10148393 DOI: 10.1186/s12903-023-02916-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 03/28/2023] [Indexed: 04/30/2023] Open
Abstract
OBJECTIVES This experimental study aimed to assess the effect of copper oxide nanoparticles (CuONPs) and light-emitting diode (LED) irradiation on the cell viability and osteogenic/odontogenic differentiation of human SCAPs. METHODS After the culture of SCAPs, the effects of different concentrations of CuONPs on cell viability were evaluated by the methyl thiazolyl tetrazolium (MTT) assay after 24 and 48 h, and the optimal concentration was determined (n = 12). SCAPs were then divided into four groups based on the type of treatment: (I) no-treatment control group, (II) exposure to CuONPs, (III) LED irradiation (635 nm, 200 mW/cm2) for 30 s, and (IV) exposure to CuONPs combined with LED irradiation. CuONPs were synthesized by a green technique, which was based on reduction and simultaneous stability of copper ions by using the pomegranate peel extract. After treatments, the expression of osteogenic/odontogenic markers including dentin sialophosphoprotein (DSPP), bone sialoprotein (BSP), alkaline phosphatase (ALP), and dentin matrix acidic phosphoprotein 1 (DMP1) was evaluated in all four groups using quantitative real-time polymerase chain reaction (PCR) (n = 16). Also, osteogenic differentiation of SCAPs was evaluated qualitatively by alizarin red staining (ARS) to assess the matrix mineralization (n = 4). SPSS version 18 was used for data evaluation. The Kruskal-Wallis and Mann-Whitney tests were used to compare the groups. RESULTS Exposure to 1 µg/mL CuONPs resulted in maximum viability of SCAPs. Concentrations of CuONPs over 10 µg/mL significantly decreased the viability of SCAPs. Real-time PCR showed that the expression of DMP1, BSP, ALP, and DSPP in CuONPs + LED and LED groups was significantly higher than that in CuONPs and control groups at both 24 and 48 h (P < 0.05). The density of ARS increased in all experimental groups after 24 h, and in CuONPs + LED and CuONPs groups after 48 h, compared to the control group. CONCLUSION Addition of CuONPs and LED irradiation of SCAPs in the culture medium significantly enhanced their osteogenic/odontogenic differentiation.
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Affiliation(s)
- Hamed Karkehabadi
- Department of Endodontics, Dental Research Center, Dental School, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Afsaneh Rahmati
- Department of Endodontics, Dental School, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Roshanak Abbasi
- Department of Endodontics, Dental School, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Abbas Farmany
- Dental Research Center, Dental School, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Rezvan Najafi
- Department of Medical Molecular & Genetics, Faculty of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | | | - Loghman Rezaei-Soufi
- Department of Operative Dentistry, Dental Research Center, Dental School, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Hadiseh Abbaspourrokni
- Department of Endodontics, Faculty of Dentistry, Mazandaran University of Medical Sciences, Sari, Iran.
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9
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Wnt Signaling in the Development of Bone Metastasis. Cells 2022; 11:cells11233934. [PMID: 36497192 PMCID: PMC9739050 DOI: 10.3390/cells11233934] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 11/24/2022] [Accepted: 12/01/2022] [Indexed: 12/12/2022] Open
Abstract
Wnt signaling occurs through evolutionarily conserved pathways that affect cellular proliferation and fate decisions during development and tissue maintenance. Alterations in these highly regulated pathways, however, play pivotal roles in various malignancies, promoting cancer initiation, growth and metastasis and the development of drug resistance. The ability of cancer cells to metastasize is the primary cause of cancer mortality. Bone is one of the most frequent sites of metastases that generally arise from breast, prostate, lung, melanoma or kidney cancer. Upon their arrival to the bone, cancer cells can enter a long-term dormancy period, from which they can be reactivated, but can rarely be cured. The activation of Wnt signaling during the bone metastasis process was found to enhance proliferation, induce the epithelial-to-mesenchymal transition, promote the modulation of the extracellular matrix, enhance angiogenesis and immune tolerance and metastasize and thrive in the bone. Due to the complexity of Wnt pathways and of the landscape of this mineralized tissue, Wnt function during metastatic progression within bone is not yet fully understood. Therefore, we believe that a better understanding of these pathways and their roles in the development of bone metastasis could improve our understanding of the disease and may constitute fertile ground for potential therapeutics.
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Rahmati A, Abbasi R, Najafi R, Rezaei-soufi L, Karkehabadi H. Effect of diode low level laser and red light emitting diode irradiation on cell proliferation and osteogenic/odontogenic differentiation of stem cells from the apical papilla. BMC Oral Health 2022; 22:543. [PMID: 36434589 PMCID: PMC9701043 DOI: 10.1186/s12903-022-02574-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Accepted: 11/08/2022] [Indexed: 11/27/2022] Open
Abstract
BACKGROUND This experimental study aimed to assess the effect of irradiation of red light-emitting diode (LED) and Diode low-level laser (LLL) on osteogenic/odontogenic differentiation of stem cells from the apical papilla (SCAPs). MATERIALS AND METHODS SCAPs were isolated from the human tooth root. The experimental groups were subjected to 4 J/cm2 diode low level laser and red LED irradiation in osteogenic medium. The control group did not receive any irradiation. Cell viability/proliferation of SCAPs was assessed by the methyl thiazolyl tetrazolium (MTT) assay on days 1 and 2 (n = 9). Osteogenic differentiation was evaluated by alizarin red staining (ARS) (n = 3), and expression of osteogenic genes by real-time polymerase chain reaction (RT-PCR) (n = 12) on days 1 and 2. SPSS version 18 was used for data evaluation. The Kruskal-Wallis and Mann-Whitney tests were used to compare the groups at each time point. RESULTS The MTT assay showed no significant difference in cell viability/proliferation of SCAPs in the low level laser, red LED, and control groups at 24 or 48 h (P < 0.001). The ARS assessment showed that low level laser and red LED irradiation enhanced osteogenic differentiation of SCAPs. low level laser and red LED irradiation both induced over-expression of osteogenic/dentinogenic genes including alkaline phosphatase (ALP), dentin sialophosphoprotein (DSPP), dentin matrix protein 1 (DMP-1), and bone sialoprotein (BSP) in SCAPs. Up-regulation of genes was significantly greater in low level laser irradiation group than red LED group (P < 0.001). CONCLUSION Diode low level laser irradiation with 4 J/cm2 energy density and red LED irradiation enhanced osteogenic differentiation of SCAPs without adversely affecting cell viability.
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Affiliation(s)
- Afsaneh Rahmati
- grid.411950.80000 0004 0611 9280Endodontic Department, School of Dentistry, Hamadan University of Medical Science, Hamadan, Iran
| | - Roshanak Abbasi
- grid.411950.80000 0004 0611 9280Endodontic Department, School of Dentistry, Hamadan University of Medical Science, Hamadan, Iran ,grid.411950.80000 0004 0611 9280Department of Medical Molecular & Genetics, Faculty of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Rezvan Najafi
- grid.411950.80000 0004 0611 9280Department of Medical Molecular & Genetics, Faculty of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran ,grid.411950.80000 0004 0611 9280Dental Research Center, Department of Operative Dentistry, School of dentistry, Hamadan University of Medical Science, Hamadan, Iran
| | - Loghman Rezaei-soufi
- grid.411950.80000 0004 0611 9280Dental Research Center, Department of Operative Dentistry, School of dentistry, Hamadan University of Medical Science, Hamadan, Iran
| | - Hamed Karkehabadi
- grid.411950.80000 0004 0611 9280Endodontic Department, School of Dentistry, Hamadan University of Medical Science, Hamadan, Iran
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11
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Gholami L, Afshar S, Arkian A, Saeidijam M, Hendi SS, Mahmoudi R, Khorsandi K, Hashemzehi H, Fekrazad R. NIR irradiation of human buccal fat pad adipose stem cells and its effect on TRP ion channels. Lasers Med Sci 2022; 37:3681-3692. [PMID: 36227520 DOI: 10.1007/s10103-022-03652-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Accepted: 10/02/2022] [Indexed: 11/28/2022]
Abstract
The effect of near infrared (NIR) laser irradiation on proliferation and osteogenic differentiation of buccal fat pad-derived stem cells and the role of transient receptor potential (TRP) channels was investigated in the current research. After stem cell isolation, a 940 nm laser with 0.1 W, 3 J/cm2 was used in pulsed and continuous mode for irradiation in 3 sessions once every 48 h. The cells were cultured in the following groups: non-osteogenic differentiation medium/primary medium (PM) and osteogenic medium (OM) groups with laser-irradiated (L +), without irradiation (L -), laser treated + Capsazepine inhibitor (L + Cap), and laser treated + Skf96365 inhibitor (L + Skf). Alizarin Red staining and RT-PCR were used to assess osteogenic differentiation and evaluate RUNX2, Osterix, and ALP gene expression levels. The pulsed setting showed the best viability results (P < 0.05) and was used for osteogenic differentiation evaluations. The results of Alizarin red staining were not statistically different between the four groups. Osterix and ALP expression increased in the (L +) group. This upregulation abrogated in the presence of Capsazepine, TRPV1 inhibitor (L + Cap); however, no significant effect was observed with Skf96365 (L + Skf).
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Affiliation(s)
- Leila Gholami
- Department of Periodontics, Dental Implants Research Center, School of Dentistry, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Saeid Afshar
- Research Center for Molecular Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Aliasghar Arkian
- Dental Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Masood Saeidijam
- Research Center for Molecular Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Seyedeh Sareh Hendi
- Department of Endodontics, Dental Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Roghayeh Mahmoudi
- Research Center for Molecular Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Khatereh Khorsandi
- Department of Photodynamic, Medical Laser Research Center, Yara Institute, ACECR, Tehran, Iran.,Department of Biochemistry and Molecular Medicine, School of Medicine and Health Sciences, The George Washington University, Washington, DC, USA
| | - Hadi Hashemzehi
- Department of Oral and Maxillofacial Surgery, Dental Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Reza Fekrazad
- Radiation Sciences Research Center, Laser Research Center in Medical Sciences, AJA University of Medical Sciences, Tehran, Iran. .,International Network for Photo Medicine and Photo Dynamic Therapy (INPMPDT), Universal Scientific Education and Research Network (USERN), Tehran, Iran.
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12
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Wang L, Liu C, Song Y, Wu F. The effect of low-level laser irradiation on the proliferation, osteogenesis, inflammatory reaction, and oxidative stress of human periodontal ligament stem cells under inflammatory conditions. Lasers Med Sci 2022; 37:3591-3599. [DOI: 10.1007/s10103-022-03638-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 08/22/2022] [Indexed: 10/14/2022]
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13
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Bikmulina P, Kosheleva N, Shpichka A, Yusupov V, Gogvadze V, Rochev Y, Timashev P. Photobiomodulation in 3D tissue engineering. JOURNAL OF BIOMEDICAL OPTICS 2022; 27:090901. [PMID: 36104833 PMCID: PMC9473299 DOI: 10.1117/1.jbo.27.9.090901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Accepted: 08/28/2022] [Indexed: 06/15/2023]
Abstract
SIGNIFICANCE The method of photobiomodulation (PBM) has been used in medicine for a long time to promote anti-inflammation and pain-resolving processes in different organs and tissues. PBM triggers numerous cellular pathways including stimulation of the mitochondrial respiratory chain, alteration of the cytoskeleton, cell death prevention, increasing proliferative activity, and directing cell differentiation. The most effective wavelengths for PBM are found within the optical window (750 to 1100 nm), in which light can permeate tissues and other water-containing structures to depths of up to a few cm. PBM already finds its applications in the developing fields of tissue engineering and regenerative medicine. However, the diversity of three-dimensional (3D) systems, irradiation sources, and protocols intricate the PBM applications. AIM We aim to discuss the PBM and 3D tissue engineered constructs to define the fields of interest for PBM applications in tissue engineering. APPROACH First, we provide a brief overview of PBM and the timeline of its development. Then, we discuss the optical properties of 3D cultivation systems and important points of light dosimetry. Finally, we analyze the cellular pathways induced by PBM and outcomes observed in various 3D tissue-engineered constructs: hydrogels, scaffolds, spheroids, cell sheets, bioprinted structures, and organoids. RESULTS Our summarized results demonstrate the great potential of PBM in the stimulation of the cell survival and viability in 3D conditions. The strategies to achieve different cell physiology states with particular PBM parameters are outlined. CONCLUSIONS PBM has already proved itself as a convenient and effective tool to prevent drastic cellular events in the stress conditions. Because of the poor viability of cells in scaffolds and the convenience of PBM devices, 3D tissue engineering is a perspective field for PBM applications.
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Affiliation(s)
- Polina Bikmulina
- Sechenov First Moscow State Medical University, World-Class Research Center “Digital Biodesign and Personalized Healthcare”, Moscow, Russia
| | - Nastasia Kosheleva
- Sechenov First Moscow State Medical University, Institute for Regenerative Medicine, Moscow, Russia
- FSBSI Institute of General Pathology and Pathophysiology, Moscow, Russia
- Sechenov University, Laboratory of Clinical Smart Nanotechnologies, Moscow, Russia
| | - Anastasia Shpichka
- Sechenov First Moscow State Medical University, Institute for Regenerative Medicine, Moscow, Russia
- Sechenov University, Laboratory of Clinical Smart Nanotechnologies, Moscow, Russia
| | - Vladimir Yusupov
- Institute of Photon Technologies of FSRC “Crystallography and Photonics” RAS, Troitsk, Russia
| | - Vladimir Gogvadze
- Lomonosov Moscow State University, Faculty of Medicine, Moscow, Russia
- Karolinska Institutet, Institute of Environmental Medicine, Division of Toxicology, Stockholm, Sweden
| | - Yury Rochev
- National University of Ireland, Galway, Galway, Ireland
| | - Peter Timashev
- Sechenov First Moscow State Medical University, Institute for Regenerative Medicine, Moscow, Russia
- Sechenov University, Laboratory of Clinical Smart Nanotechnologies, Moscow, Russia
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14
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Wang J, Wang T, Zhang F, Zhang Y, Guo Y, Jiang X, Yang B. Roles of circular RNAs in osteogenic differentiation of bone marrow mesenchymal stem cells (Review). Mol Med Rep 2022; 26:227. [PMID: 35593273 PMCID: PMC9178710 DOI: 10.3892/mmr.2022.12743] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 05/10/2022] [Indexed: 11/06/2022] Open
Abstract
Bone marrow mesenchymal stem cells (BMSCs) can differentiate into osteoblasts, chondrocytes, adipocytes and even myoblasts, and are therefore defined as pluripotent cells. BMSCs have become extremely important seed cells in gene therapy, tissue engineering, cell replacement therapy and regenerative medicine due to their potential in multilineage differentiation, self‑renewal, immune regulation and other fields. Circular RNAs (circRNAs) are a class of non‑coding RNAs that are widely present in eukaryotic cells. Unlike standard linear RNAs, circRNAs form covalently closed continuous loops with no 5' or 3' polarity. circRNAs are abundantly expressed in cells and tissues, and are highly conserved and relatively stable during evolution. Numerous studies have shown that circRNAs play an important role in the osteogenic differentiation of BMSCs. Further studies on the role of circRNAs in the osteogenic differentiation of BMSCs can provide a new theoretical and experimental basis for bone tissue engineering and clinical treatment.
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Affiliation(s)
- Jicheng Wang
- Department of Joint Surgery, Weifang People's Hospital, Weifang, Shandong 261000, P.R. China
| | - Tengyun Wang
- Department of Joint Surgery, Weifang People's Hospital, Weifang, Shandong 261000, P.R. China
| | - Fujie Zhang
- Department of Joint Surgery, Weifang People's Hospital, Weifang, Shandong 261000, P.R. China
| | - Yangyang Zhang
- Department of Joint Surgery, Weifang People's Hospital, Weifang, Shandong 261000, P.R. China
| | - Yongzhi Guo
- Department of Joint Surgery, Weifang People's Hospital, Weifang, Shandong 261000, P.R. China
| | - Xin Jiang
- Department of Joint Surgery, Weifang People's Hospital, Weifang, Shandong 261000, P.R. China
| | - Bo Yang
- Department of Joint Surgery, Weifang People's Hospital, Weifang, Shandong 261000, P.R. China
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15
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Preconditioning and Engineering Strategies for Improving the Efficacy of Mesenchymal Stem Cell-Derived Exosomes in Cell-Free Therapy. Stem Cells Int 2022; 2022:1779346. [PMID: 35607400 PMCID: PMC9124131 DOI: 10.1155/2022/1779346] [Citation(s) in RCA: 40] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 04/07/2022] [Accepted: 04/23/2022] [Indexed: 12/13/2022] Open
Abstract
Mesenchymal stem cells (MSCs) have been widely applied to regenerative medicine owing to their multiple differentiation, self-renewal, and immunomodulatory abilities. Exosomes are cell-secreted natural nanovesicles and thought to be mediators of intercellular communication and material transport. The therapeutic potential of MSCs can be largely attributed to MSC-derived exosomes (MSC-exosomes). Emerging evidence suggests that the therapeutic efficacy of MSC-exosomes is highly dependent on the status of MSCs, and optimization of the extracellular environment affects the exosomal content. Pretreatment methods including three-dimensional cultures, hypoxia, and other biochemical cues have been shown to potentially enhance the biological activity of MSC-exosomes while maintaining or enhancing their production. On the other hand, engineering means to enhance the desired function of MSC-exosomes has been rapidly gaining attention. In particular, biologically active molecule encapsulation and membrane modification can alter or enhance biological functions and targeting of MSC-exosomes. In this review, we summarize two possible strategies to improve the therapeutic activity of MSC-exosomes: preconditioning approaches and engineering exosomes. We also explore the underlying mechanisms of different strategies and discuss their advantages and limitations of the upcoming clinical applications.
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16
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Wang L, Liu C, Wu F. Low-level laser irradiation enhances the proliferation and osteogenic differentiation of PDLSCs via BMP signaling. Lasers Med Sci 2021; 37:941-948. [PMID: 34247314 DOI: 10.1007/s10103-021-03338-6] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Accepted: 05/09/2021] [Indexed: 10/20/2022]
Abstract
The aim of this in vitro study was to evaluate the effects of low-level laser therapy (LLLT) at different energy intensities on proliferation and osteogenesis of periodontal ligament stem cells (PDLSCs). We designed one control group, without irradiation and four testing groups, treated with LLLT (Nd:YAG;1064 nm) at 2, 4, 6, and 8 J/cm2 for human PDLSCs. Cell proliferation was measured using colony-forming unit fibroblast assay and 3-(4,5-dimethylthiazol-2yl)-2,5-diphenyltetrazolium bromide assay. Osteogenic capacity of cells was determined by alkaline phosphatase (ALP) staining, ALP activity assay, Alizarin Red S staining, and the gene levels of runt-related transcription factor 2 (Runx2), ALP, osteocalcin, and bone morphogenetic protein 2 (BMP2). The effects of LLLT on secretion of TNF-α and IL-1β in PDLSCs were measured by enzyme-linked immunosorbent assay. BMP/Smad pathway was measured through the expression of Smad1/5/8 phosphorylation (P-Smad1/5/8). LDN-193189, an inhibitor of the BMP/Smad pathway, was used to explore the underlying effects of BMP/Smad signaling on the process of LLLT regulating the proliferation and osteogenesis of PDLSCs. Our results demonstrated LLLT could promote the proliferation and osteogenesis of PDLSCs at 2-6 J/cm2 and LLLT at 8 J/cm2 significantly suppress osteogenic differentiation of PDLSCs. Moreover, LLLT stimulated the secretion of TNFα and IL-β1. Finally, we found the irradiation positively modulates the P-Smad1/5/8 level. When the cells were treated with LDN-193189, the proliferation and osteogenic effects of LLLT on PDLSCs were attenuated. In conclusion, LLLT may upregulate the proliferation and bone formation ability of PDLSCs via the BMP/Smad signaling.
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Affiliation(s)
- Liying Wang
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi'an Jiaotong University, Xi'an, Shaanxi, China.,Clinical Research Center of Shaanxi Province for Dental and Maxillofacial Diseases, College of Stomatology, Xi'an Jiaotong University, Xi'an, Shaanxi, China.,Department of Orthodontics, Stomatological Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Chen Liu
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi'an Jiaotong University, Xi'an, Shaanxi, China.,Clinical Research Center of Shaanxi Province for Dental and Maxillofacial Diseases, College of Stomatology, Xi'an Jiaotong University, Xi'an, Shaanxi, China.,Department of General Dentistry, Stomatological Hospital of Xi'an Jiao Tong University, Xi'an, Shaanxi, China
| | - Fan Wu
- Department of Cardiovascular Surgery, Xijing Hospital, The Fourth Military Medical University, 145 West Changle Road, Xi'an, 710032, Shaanxi, China.
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17
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Li B, Ouchi T, Cao Y, Zhao Z, Men Y. Dental-Derived Mesenchymal Stem Cells: State of the Art. Front Cell Dev Biol 2021; 9:654559. [PMID: 34239870 PMCID: PMC8258348 DOI: 10.3389/fcell.2021.654559] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Accepted: 04/29/2021] [Indexed: 12/11/2022] Open
Abstract
Mesenchymal stem cells (MSCs) could be identified in mammalian teeth. Currently, dental-derived MSCs (DMSCs) has become a collective term for all the MSCs isolated from dental pulp, periodontal ligament, dental follicle, apical papilla, and even gingiva. These DMSCs possess similar multipotent potential as bone marrow-derived MSCs, including differentiation into cells that have the characteristics of odontoblasts, cementoblasts, osteoblasts, chondrocytes, myocytes, epithelial cells, neural cells, hepatocytes, and adipocytes. Besides, DMSCs also have powerful immunomodulatory functions, which enable them to orchestrate the surrounding immune microenvironment. These properties enable DMSCs to have a promising approach in injury repair, tissue regeneration, and treatment of various diseases. This review outlines the most recent advances in DMSCs' functions and applications and enlightens how these advances are paving the path for DMSC-based therapies.
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Affiliation(s)
- Bo Li
- State Key Laboratory of Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu, China
- National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu, China
- Department of Orthodontics, West China School of Stomatology, Sichuan University, Chengdu, China
| | - Takehito Ouchi
- Department of Dentistry and Oral Surgery, School of Medicine, Keio University, Tokyo, Japan
- Department of Physiology, Tokyo Dental College, Tokyo, Japan
| | - Yubin Cao
- State Key Laboratory of Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu, China
- National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu, China
- Department of Head and Neck Oncology, West China School of Stomatology, Sichuan University, Chengdu, China
| | - Zhihe Zhao
- State Key Laboratory of Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu, China
- National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu, China
- Department of Orthodontics, West China School of Stomatology, Sichuan University, Chengdu, China
| | - Yi Men
- State Key Laboratory of Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu, China
- National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu, China
- Department of Head and Neck Oncology, West China School of Stomatology, Sichuan University, Chengdu, China
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18
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Etemadi A, Sadatmansouri S, Sodeif F, Jalalishirazi F, Chiniforush N. Photobiomodulation Effect of Different Diode Wavelengths on the Proliferation of Human Gingival Fibroblast Cells. Photochem Photobiol 2021; 97:1123-1128. [PMID: 34107547 DOI: 10.1111/php.13463] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 05/16/2021] [Accepted: 06/02/2021] [Indexed: 12/01/2022]
Abstract
This study is focused on comparing the effect of various energy densities and wavelengths of diode lasers on the proliferation of human gingival fibroblast (HGF) cells in vitro. In this study, 204 sample cells were examined in 4 test groups (laser radiation) and 1 control group (non-laser radiation). The proliferation rate of radiated cells with wavelengths of 635, 660, 808 and 980 nm and the densities of 1, 1.5, 2.5 and 4 J cm-2 was measured after 1, 3 and 5 days using the MTT assay. The proliferation rate of human gingival fibroblast (HGF) cells in test groups was increased on day 1 at wavelengths of 635, 808 and 980 nm and on day 3 at the wavelength of 980 nm compared with the control group. Our findings denoted that the photobiomodulation therapy increased the proliferation rate of HGF. The most desirable laser radiation setting, which led to the highest proliferation rate of the cells, included 980 nm wavelength with 1, 1.5 and 4 J cm-2 energy densities and 635 nm wavelength with 4 J cm-2 energy density.
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Affiliation(s)
- Ardavan Etemadi
- Department of Periodontics, Faculty of Dentistry, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran.,Laser Research Center of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
| | - Saeed Sadatmansouri
- Department of Periodontics, Faculty of Dentistry, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Fatemeh Sodeif
- Department of Periodontics, Faculty of Dentistry, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Fatemeh Jalalishirazi
- Research Institute of Dental Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Nasim Chiniforush
- Laser Research Center of Dentistry, Dentistry Research Institute, Tehran University of Medical Sciences, Tehran, Iran.,Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, Genoa, Italy
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19
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Liu N, Lu W, Qu X, Zhu C. LLLI promotes BMSC proliferation through circRNA_0001052/miR-124-3p. Lasers Med Sci 2021; 37:849-856. [PMID: 33884524 DOI: 10.1007/s10103-021-03322-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 04/11/2021] [Indexed: 12/13/2022]
Abstract
Osteoporosis (OP) is a multifactorial bone disease that occurs worldwide. The treatment of OP is still unsatisfactory. Bone mesenchymal stem cell (BMSC) differentiation is a key process in OP pathogenesis. Low-level laser irradiation (LLLI) has been reported to regulate BMSC proliferation, but the role of circRNAs in the LLLI-based promotion of BMSC proliferation remains unclear. CircRNAs are essential molecular regulators that participate in numerous biological processes and have therapeutic potential. miR-124-3p is an essential microRNA (miRNA), and its expression changes are related to BMSC proliferation ability. In the present study, gain-loss function of experiments demonstrated that circRNA_0001052 could regulate the proliferation of BMSCs by acting as a miR-124-3p sponge through the Wnt4/β-catenin pathway. The results of this study strongly suggest that circRNA_0001052 plays an essential role in BMSC proliferation in response to LLLI treatment, which is a potential therapeutic manipulation with clinical applications.
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Affiliation(s)
- Na Liu
- Department of Anesthesiology, The First People's Hospital of Yunnan Province, Kunming, 650032, China.,The Affiliated Hospital of Kunming University of Science and Technology, Kunming, 650032, China.,Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, 650500, China
| | - Weiwei Lu
- Medical school, Kunming University of Science and Technology, Kunming, 650500, China
| | - Xiaowen Qu
- Laser Medical Center, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, No. 157 JinBi Road, Kunming, China.,The Affiliated Hospital of Kunming University of Science and Technology, Kunming, 650032, China
| | - Chongtao Zhu
- Laser Medical Center, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, No. 157 JinBi Road, Kunming, China. .,The Affiliated Hospital of Kunming University of Science and Technology, Kunming, 650032, China.
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20
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Santinoni CS, Neves APC, Almeida BFM, Kajimoto NC, Pola NM, Caliente EA, Belem ELG, Lelis JB, Fucini SE, Messora MR, Garcia VG, Bomfim SRM, Ervolino E, Nagata MJH. Bone marrow coagulated and low-level laser therapy accelerate bone healing by enhancing angiogenesis, cell proliferation, osteoblast differentiation, and mineralization. J Biomed Mater Res A 2020; 109:849-858. [PMID: 32815657 DOI: 10.1002/jbm.a.37076] [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: 03/19/2020] [Revised: 07/17/2020] [Accepted: 07/26/2020] [Indexed: 12/14/2022]
Abstract
The present study evaluated bone marrow aspirate (BMA) and low-level laser therapy (LLLT) on bone healing. It was created critical-size defects (CSD) of 5 mm diameter in rat calvaria of 64 rats. Animals were randomly divided into four groups: Control (blood clot), BMA (coagulated BMA), LLLT (laser irradiation and blood clot), and BMA/LLLT (laser irradiation and coagulated BMA). Euthanasia was performed at 15 or 30 days postoperative. Immunohistochemical reactions were performed to identify vascular endothelial growth factor (VEGF), proliferating cell nuclear antigen (PCNA), runt-related transcription factor-2 (Runx2), bone morphogenetic protein-2 (BMP-2), osteocalcin (OCN), and osteopontin (OPN). The markers were quantified, and data were statistically analyzed. Groups BMA/LLLT and LLLT presented significantly higher VEGF expression than group control. Group BMA/LLLT presented a significantly higher expression of PCNA than all experimental groups. Groups BMA and BMA/LLLT presented significantly higher expression of BMP-2 than all experimental groups. Groups LLLT and BMA/LLLT presented significantly higher expression of OPN than groups control and BMA. Groups LLLT, BMA, and BMA/LLLT presented a significantly higher expression of OCN than group control. It can be concluded that the association of BMA and LLLT enhanced bone healing by improving expression of VEGF, PCNA, Runx2, BMP-2, OPN, and OCN.
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Affiliation(s)
- Carolina S Santinoni
- Dental School of Presidente Prudente, Graduate Program in Dentistry (GPD-Master's Degree), UNOESTE-University of Western Sao Paulo, Presidente Prudente, Brazil.,Division of Periodontics, Dental School of Araçatuba, Univ. Estadual Paulista-UNESP, Araçatuba, Brazil
| | - Adrieli P C Neves
- Dental School of Presidente Prudente, Graduate Program in Dentistry (GPD-Master's Degree), UNOESTE-University of Western Sao Paulo, Presidente Prudente, Brazil.,Division of Periodontics, Dental School of Araçatuba, Univ. Estadual Paulista-UNESP, Araçatuba, Brazil
| | - Breno F M Almeida
- Division of Clinical, Surgery and Animal Reproduction, Veterinary School of Araçatuba, Univ. Estadual Paulista-UNESP, Araçatuba, Brazil
| | - Natália C Kajimoto
- Division of Periodontics, Dental School of Araçatuba, Univ. Estadual Paulista-UNESP, Araçatuba, Brazil
| | - Natália M Pola
- Division of Periodontics, Dental School of Pelotas, Federal University of Pelotas-UFPel, Pelotas, Brazil
| | - Eliana A Caliente
- Division of Periodontics, Dental School of Araçatuba, Univ. Estadual Paulista-UNESP, Araçatuba, Brazil
| | - Eduarda L G Belem
- Division of Periodontics, Dental School of Araçatuba, Univ. Estadual Paulista-UNESP, Araçatuba, Brazil
| | - Joilson B Lelis
- Division of Periodontics, Dental School of Araçatuba, Univ. Estadual Paulista-UNESP, Araçatuba, Brazil
| | - Stephen E Fucini
- Division of Periodontics, Dental School of Araçatuba, Univ. Estadual Paulista-UNESP, Araçatuba, Brazil.,Periodontics, Private Practice, Hanover, New Hampshire, USA
| | - Michel R Messora
- Division of Periodontics, School of Dentistry of Ribeirão Preto, University of São Paulo-USP, São Paulo, Brazil
| | - Valdir G Garcia
- Division of Periodontics, Dental School of Araçatuba, Univ. Estadual Paulista-UNESP, Araçatuba, Brazil
| | - Suely R M Bomfim
- Division of Clinical, Surgery and Animal Reproduction, Veterinary School of Araçatuba, Univ. Estadual Paulista-UNESP, Araçatuba, Brazil
| | - Edilson Ervolino
- Division of Histology, Dental School of Araçatuba, Univ. Estadual Paulista-UNESP, Araçatuba, Brazil
| | - Maria J H Nagata
- Division of Periodontics, Dental School of Araçatuba, Univ. Estadual Paulista-UNESP, Araçatuba, Brazil
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21
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Photobiomodulation-Underlying Mechanism and Clinical Applications. J Clin Med 2020; 9:jcm9061724. [PMID: 32503238 PMCID: PMC7356229 DOI: 10.3390/jcm9061724] [Citation(s) in RCA: 216] [Impact Index Per Article: 54.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 05/14/2020] [Accepted: 06/01/2020] [Indexed: 02/07/2023] Open
Abstract
The purpose of this study is to explore the possibilities for the application of laser therapy in medicine and dentistry by analyzing lasers' underlying mechanism of action on different cells, with a special focus on stem cells and mechanisms of repair. The interest in the application of laser therapy in medicine and dentistry has remarkably increased in the last decade. There are different types of lasers available and their usage is well defined by different parameters, such as: wavelength, energy density, power output, and duration of radiation. Laser irradiation can induce a photobiomodulatory (PBM) effect on cells and tissues, contributing to a directed modulation of cell behaviors, enhancing the processes of tissue repair. Photobiomodulation (PBM), also known as low-level laser therapy (LLLT), can induce cell proliferation and enhance stem cell differentiation. Laser therapy is a non-invasive method that contributes to pain relief and reduces inflammation, parallel to the enhanced healing and tissue repair processes. The application of these properties was employed and observed in the treatment of various diseases and conditions, such as diabetes, brain injury, spinal cord damage, dermatological conditions, oral irritation, and in different areas of dentistry.
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22
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Li FL, Wu CB, Sun HJ, Zhou Q. Effectiveness of laser-assisted treatments for medication-related osteonecrosis of the jaw: a systematic review. Br J Oral Maxillofac Surg 2020; 58:256-267. [DOI: 10.1016/j.bjoms.2019.12.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2019] [Accepted: 12/05/2019] [Indexed: 12/20/2022]
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23
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Chang SY, Carpena NT, Mun S, Jung JY, Chung PS, Shim H, Han K, Ahn JC, Lee MY. Enhanced Inner-Ear Organoid Formation from Mouse Embryonic Stem Cells by Photobiomodulation. MOLECULAR THERAPY-METHODS & CLINICAL DEVELOPMENT 2020; 17:556-567. [PMID: 32258218 PMCID: PMC7118273 DOI: 10.1016/j.omtm.2020.03.010] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 02/09/2020] [Accepted: 03/10/2020] [Indexed: 12/18/2022]
Abstract
Photobiomodulation (PBM) stimulates different types of stem cells to migrate, proliferate, and differentiate in vitro and in vivo. However, little is known about the effects of PBM on the differentiation of embryonic stem cells (ESCs) toward the otic lineage. Only a few reports have documented the in vitro differentiation of ESCs into inner-ear hair cells (HCs) due to the complexity of HCs compared with other target cell types. In this study, we determined the optimal condition to differentiate the ESCs into the otic organoid using different culture techniques and PBM parameters. The efficiency of organoid formation within the embryoid body (EB) was dependent on the cell density of the hanging drop. PBM, using 630 nm wavelength light-emitting diodes (LEDs), further improved the differentiation of inner-ear hair cell-like cells coupled with reactive oxygen species (ROS) overexpression. Transcriptome analysis showed the factors that are responsible for the effect of PBM in the formation of otic organoids, notably, the downregulation of neural development-associated genes and the hairy and enhancer of split 5 (Hes5) gene, which inhibits the differentiation of prosensory cells to hair cells. These data enrich the current differentiation protocols for generating inner-ear hair cells.
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Affiliation(s)
- So-Young Chang
- Beckman Laser Institute Korea, Dankook University, 119 Dandae-ro, Cheonan 31116, Republic of Korea
| | - Nathaniel T Carpena
- Department of Otolaryngology-Head & Neck Surgery, College of Medicine, Dankook University, 119 Dandae-ro, Cheonan 31116, Republic of Korea
| | - Seyoung Mun
- Department of Nanobiomedical Science and BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, 119 Dandae-ro, Cheonan 31116, Republic of Korea.,DKU-Theragen Institute for NGS Analysis (DTiNa), 119 Dandae-ro, Cheonan 31116, Republic of Korea
| | - Jae Yun Jung
- Beckman Laser Institute Korea, Dankook University, 119 Dandae-ro, Cheonan 31116, Republic of Korea.,Department of Otolaryngology-Head & Neck Surgery, College of Medicine, Dankook University, 119 Dandae-ro, Cheonan 31116, Republic of Korea
| | - Phil-Sang Chung
- Beckman Laser Institute Korea, Dankook University, 119 Dandae-ro, Cheonan 31116, Republic of Korea.,Department of Otolaryngology-Head & Neck Surgery, College of Medicine, Dankook University, 119 Dandae-ro, Cheonan 31116, Republic of Korea
| | - Hosup Shim
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, 119 Dandae-ro, Cheonan 31116, Republic of Korea
| | - Kyudong Han
- Department of Nanobiomedical Science and BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, 119 Dandae-ro, Cheonan 31116, Republic of Korea.,DKU-Theragen Institute for NGS Analysis (DTiNa), 119 Dandae-ro, Cheonan 31116, Republic of Korea
| | - Jin-Chul Ahn
- Beckman Laser Institute Korea, Dankook University, 119 Dandae-ro, Cheonan 31116, Republic of Korea.,Department of Biomedical Science, Dankook University, 119 Dandae-ro, Cheonan 31116, Republic of Korea
| | - Min Young Lee
- Beckman Laser Institute Korea, Dankook University, 119 Dandae-ro, Cheonan 31116, Republic of Korea.,Department of Otolaryngology-Head & Neck Surgery, College of Medicine, Dankook University, 119 Dandae-ro, Cheonan 31116, Republic of Korea
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24
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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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25
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Park KS, Bandeira E, Shelke GV, Lässer C, Lötvall J. Enhancement of therapeutic potential of mesenchymal stem cell-derived extracellular vesicles. Stem Cell Res Ther 2019; 10:288. [PMID: 31547882 PMCID: PMC6757418 DOI: 10.1186/s13287-019-1398-3] [Citation(s) in RCA: 153] [Impact Index Per Article: 30.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Revised: 08/19/2019] [Accepted: 08/26/2019] [Indexed: 02/06/2023] Open
Abstract
After the initial investigations into applications of mesenchymal stem cells (MSCs) for cell therapy, there was increased interest in their secreted soluble factors. Following studies of MSCs and their secreted factors, extracellular vesicles (EVs) released from MSCs have emerged as a new mode of intercellular crosstalk. MSC-derived EVs have been identified as essential signaling mediators under both physiological and pathological conditions, and they appear to be responsible for many of the therapeutic effects of MSCs. In several in vitro and in vivo models, EVs have been observed to have supportive functions in modulating the immune system, mainly mediated by EV-associated proteins and nucleic acids. Moreover, stimulation of MSCs with biophysical or biochemical cues, including EVs from other cells, has been shown to influence the contents and biological activities of subsequent MSC-derived EVs. This review provides on overview of the contents of MSC-derived EVs in terms of their supportive effects, and it provides different perspectives on the manipulation of MSCs to improve the secretion of EVs and subsequent EV-mediated activities. In this review, we discuss the possibilities for manipulating MSCs for EV-based cell therapy and for using EVs to affect the expression of elements of interest in MSCs. In this way, we provide a clear perspective on the state of the art of EVs in cell therapy focusing on MSCs, and we raise pertinent questions and suggestions for knowledge gaps to be filled.
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Affiliation(s)
- Kyong-Su Park
- Krefting Research Centre, Institute of Medicine at Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
| | - Elga Bandeira
- Krefting Research Centre, Institute of Medicine at Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Ganesh V Shelke
- Krefting Research Centre, Institute of Medicine at Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Cecilia Lässer
- Krefting Research Centre, Institute of Medicine at Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Jan Lötvall
- Krefting Research Centre, Institute of Medicine at Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
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26
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Zamani ARN, Saberianpour S, Geranmayeh MH, Bani F, Haghighi L, Rahbarghazi R. Modulatory effect of photobiomodulation on stem cell epigenetic memory: a highlight on differentiation capacity. Lasers Med Sci 2019; 35:299-306. [PMID: 31494789 DOI: 10.1007/s10103-019-02873-7] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Accepted: 09/03/2019] [Indexed: 02/06/2023]
Abstract
Differentiation potential of stem cells into various lineages makes these cells as promising sources to treat multiple diseases. In this regard, the use of different strategies and protocols to increase differentiation capacity is highly demanded. Low-level laser therapy, a relatively noninvasive technique, has the capacity to accelerate the healing of numerous injuries and a portion of restorative capacity could be correlated with the stem cell activation and differentiation. Several mechanisms have been diagnosed to participate in orientation of stem cells to functional mature cells. Among them, the status of DNA methylation orchestrates the maintenance of tissue-specific gene expression during the differentiation procedure. DNA methylation is a momentous event in embryogenesis and functional maturation. This review article highlighted the potency of laser irradiation (low-level intensities) in the differentiation of stem cells by modulation of methylation. The analysis of these modalities could help us to understand the underlying mechanisms participating in the therapeutic effects of photobiomodulation.
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Affiliation(s)
| | - Shirin Saberianpour
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Farhad Bani
- Department of Medical Nanotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Leila Haghighi
- Department of Parasitology and Mycology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Reza Rahbarghazi
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran. .,Department of Applied Cell Sciences, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.
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27
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Adipogenic differentiation of murine bone marrow mesenchymal stem cells induced by visible light via photo- induced biomodulation. Photodiagnosis Photodyn Ther 2019; 25:119-127. [DOI: 10.1016/j.pdpdt.2018.11.013] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2018] [Revised: 11/13/2018] [Accepted: 11/16/2018] [Indexed: 12/13/2022]
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28
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Tas Deynek G, Ramoglu SI. Effects of different settings for 940 nm diode laser on expanded suture in rats. Angle Orthod 2019; 89:446-454. [PMID: 30605019 DOI: 10.2319/052318-392.1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
OBJECTIVES To evaluate the effects of the Indium Gallium Arsenide Phosphoride (InGaAsP) diode laser at different energy levels on orthopedically expanded midpalatal sutures of rats. MATERIALS AND METHODS Eighty Wistar rats were randomly divided into four groups: a control group and low-, moderate-, and high-level laser groups with amounts of energy irradiated at 0 J, 18 J, 42 J, and 60 J, respectively. Each group was divided into two subgroups (n = 10) according to the schedule of sacrifice (7 and 21 days). Laser application (940 ± 10 nm, 0.1 W) was completed twice weekly until sacrifice. The number of osteoblasts (OB), osteocytes (OC), and vessels (V); area of connective tissue (CT); inflammation (IN); and newly formed bone (NB); as well as the ratio of newly formed bone to the total bone area (N/T) were evaluated statistically at a significance level of P < .05. RESULTS For the low-level laser group, OB, NB, and N/T were significantly higher, and CT was lower, on both the 7th and 21st days. The amount of OC was significantly higher in the low-level laser group compared with the control group on the 7th day and the control and high-level laser groups on the 21st day. The IN was significantly higher for the high-level group on the 21st day compared with other groups. Both the moderate-level and high-level laser groups possessed fewer vessels than the low-level laser group on the 21st day. CONCLUSIONS The InGaAsP laser at the low dosage induced a favorable effect on bone formation in the orthopedically expanded midpalatal suture of rats.
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29
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Mesenchymal Stromal Cell Irradiation Interferes with the Adipogenic/Osteogenic Differentiation Balance and Improves Their Hematopoietic-Supporting Ability. Biol Blood Marrow Transplant 2018; 24:443-451. [DOI: 10.1016/j.bbmt.2017.11.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2017] [Accepted: 11/02/2017] [Indexed: 12/19/2022]
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30
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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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31
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Beneficial Role of Low-Intensity Laser Irradiation on Neural β-tubulin III Protein Expression in Human Bone Marrow Multipotent Mesenchymal Stromal Cells. Stem Cell Rev Rep 2018; 14:585-598. [DOI: 10.1007/s12015-017-9796-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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32
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Çakmak AS, Çakmak S, Vatansever HS, Gümüşderelioğlu M. Photostimulation of osteogenic differentiation on silk scaffolds by plasma arc light source. Lasers Med Sci 2017; 33:785-794. [DOI: 10.1007/s10103-017-2414-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Accepted: 12/04/2017] [Indexed: 02/01/2023]
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33
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Enhanced survival of ischemic skin flap by combined treatment with bone marrow-derived stem cells and low-level light irradiation. Lasers Med Sci 2017; 33:1-9. [DOI: 10.1007/s10103-017-2312-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Accepted: 08/15/2017] [Indexed: 10/19/2022]
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34
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Pinheiro CCG, de Pinho MC, Aranha AC, Fregnani E, Bueno DF. Low Power Laser Therapy: A Strategy to Promote the Osteogenic Differentiation of Deciduous Dental Pulp Stem Cells from Cleft Lip and Palate Patients. Tissue Eng Part A 2017; 24:569-575. [PMID: 28699387 DOI: 10.1089/ten.tea.2017.0115] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Dental pulp stem cells (DPSCs) can undergo several types of differentiation, including osteogenic differentiation. One osteogenesis-inducing factor that has been previously described is in vitro low-power laser irradiation of cells. Laser irradiation promotes the acceleration of bone matrix mineralization of the cell strain. However, no consensus exists regarding the dose and treatment time. We used DPSC strains from cleft lip and palate patients because new bone tissue engineering strategies have used DPSCs in preclinical and clinical trials for the rehabilitation of alveolar bone clefts. Optimizing bone tissue engineering techniques for cleft and lip palate patients by applying low-power laser therapy (LPLT) to DPSCs obtained from these patients can help improve current strategies to quickly close large alveolar clefts. The aim of this study was to investigate the effects of LPLT at different energy densities in DPSC strains obtained from cleft lip and palate patients during in vitro osteogenic differentiation. Ten DPSC strains were obtained from cleft lip and palate patients and then used in the following study groups: group 1: control, the strains underwent osteogenic differentiation for 21 days; and groups 2, 3, and 4: the strains were irradiated each day with a low-power red laser (660 nm) (5, 10, and 20 J) during 21 days of osteogenic differentiation. Using Bonferroni's test, a statistically significant difference in the mean values was found between the irradiated groups (2, 3, and 4) and the control group (p < 0.001). However, no significant difference in osteogenic potential was found among the irradiated groups. Our findings showed that the osteogenic potential of DPSCs increases with red laser irradiation at 5, 10, and 20 J, and this treatment could be considered a new approach for preconditioning these cells to be used in bone tissue engineering.
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Affiliation(s)
- Carla C G Pinheiro
- Instituto de Ensino e Pesquisa, Hospital Sírio Libanês , São Paulo, São Paulo, Bela Vista, Brazil
| | - Milena C de Pinho
- Instituto de Ensino e Pesquisa, Hospital Sírio Libanês , São Paulo, São Paulo, Bela Vista, Brazil
| | - Ana Cecilia Aranha
- Instituto de Ensino e Pesquisa, Hospital Sírio Libanês , São Paulo, São Paulo, Bela Vista, Brazil
| | - Eduardo Fregnani
- Instituto de Ensino e Pesquisa, Hospital Sírio Libanês , São Paulo, São Paulo, Bela Vista, Brazil
| | - Daniela F Bueno
- Instituto de Ensino e Pesquisa, Hospital Sírio Libanês , São Paulo, São Paulo, Bela Vista, Brazil
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Bayat M, Jalalifirouzkouhi A. Presenting a Method to Improve Bone Quality Through Stimulation of Osteoporotic Mesenchymal Stem Cells by Low-Level Laser Therapy. Photomed Laser Surg 2017. [PMID: 28621568 DOI: 10.1089/pho.2016.4245] [Citation(s) in RCA: 242] [Impact Index Per Article: 34.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
OBJECTIVE This review aims to present a method to improve bone quality through stimulation of osteoporotic mesenchymal stem cells (MSCs) by low-level laser therapy (LLLT). BACKGROUND Osteoporosis (OP) is characterized by decreased bone mass and bone strength, which results in an increased incidence of bone fractures. These fractures often lead to additional disability and mortality. Osteoporotic MSCs have reduced osteogenic differentiation when cultured in their standard differentiation media. LLLT has a biostimulatory effect on fibroblasts and osteoblasts. MSCs have the ability to generate cells of connective tissue lineages, which includes the bones. Recently, transplantation of in vitro cultured bone marrow (BM) MSCs into sites at risk for development of osteoporotic bone has resulted in improved bone structure. METHODS Comprehensive research was performed using PubMed, and biostimulatory effect of LLLT on bony cells and MSCs were studied. RESULTS LLLT can stimulate growth, proliferation, and differentiation of SCs in vitro and in vivo. This ability of LLLT is an essential prerequisite for performing experiments related to disease control in humans. Thus, laser-treated osteoporotic autologous BMMSCs may represent a promising therapeutic method to protect the bones in patients with OP and prevent fractures in these patients. Therefore, researchers hypothesize that transplantation of in vitro laser-treated autologous cultured osteoporotic BMMSCs that have the appropriate osteogenic phenotype into sites at risk for development of osteoporotic bone may result in improved bone structure. In this respect, investigators have successfully used LLLT to restore autologous osteoporotic MSCs in vitro. Subsequently, these cells have been differentiated into osteoblast cell lines with the use of laser treatment after which they were transplanted into osteoporotic animal models. CONCLUSIONS This technique might improve bone quality and structure. However, additional research must be undertaken to understand the underlying mechanisms of this treatment, validate its effectiveness, and assess the feasibility for clinical application of LLLT to treat MSCs in regeneration of osteoporotic bone.
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Affiliation(s)
- Mohammad Bayat
- 1 Cellular and Molecular Biology Research Center, and Biology and Anatomical Sciences Department, Shahid Beheshti University of Medical Sciences , Tehran, Iran
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36
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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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37
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Wang Y, Huang YY, Wang Y, Lyu P, Hamblin MR. Photobiomodulation of human adipose-derived stem cells using 810nm and 980nm lasers operates via different mechanisms of action. Biochim Biophys Acta Gen Subj 2016; 1861:441-449. [PMID: 27751953 DOI: 10.1016/j.bbagen.2016.10.008] [Citation(s) in RCA: 358] [Impact Index Per Article: 44.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2016] [Revised: 10/04/2016] [Accepted: 10/12/2016] [Indexed: 10/20/2022]
Abstract
Photobiomodulation (PBM) using red or near-infrared (NIR) light has been used to stimulate the proliferation and differentiation of adipose-derived stem cells. The use of NIR wavelengths such as 810nm is reasonably well accepted to stimulate mitochondrial activity and ATP production via absorption of photons by cytochrome c oxidase. However, the mechanism of action of 980nm is less well understood. Here we study the effects of both wavelengths (810nm and 980nm) on adipose-derived stem cells in vitro. Both wavelengths showed a biphasic dose response, but 810nm had a peak dose response at 3J/cm2 for stimulation of proliferation at 24h, while the peak dose for 980nm was 10-100 times lower at 0.03 or 0.3J/cm2. Moreover, 980nm (but not 810nm) increased cytosolic calcium while decreasing mitochondrial calcium. The effects of 980nm could be blocked by calcium channel blockers (capsazepine for TRPV1 and SKF96365 for TRPC channels), which had no effect on 810nm. To test the hypothesis that the chromophore for 980nm was intracellular water, which could possibly form a microscopic temperature gradient upon laser irradiation, we added cold medium (4°C) during the light exposure, or pre-incubated the cells at 42°C, both of which abrogated the effect of 980nm but not 810nm. We conclude that 980nm affects temperature-gated calcium ion channels, while 810nm largely affects mitochondrial cytochrome c oxidase.
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Affiliation(s)
- Yuguang Wang
- Center of Digital Dentistry, Peking University School and Hospital of Stomatology, Beijing, China; National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing, China; Wellman Center for Photomedicine, Massachusetts General Hospital, Boston, MA, 02114, USA; Department of Dermatology, Harvard Medical School, Boston, MA, 02115, USA
| | - Ying-Ying Huang
- Wellman Center for Photomedicine, Massachusetts General Hospital, Boston, MA, 02114, USA; Department of Dermatology, Harvard Medical School, Boston, MA, 02115, USA
| | - Yong Wang
- Center of Digital Dentistry, Peking University School and Hospital of Stomatology, Beijing, China; National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing, China
| | - Peijun Lyu
- Center of Digital Dentistry, Peking University School and Hospital of Stomatology, Beijing, China; National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing, China.
| | - Michael R Hamblin
- Wellman Center for Photomedicine, Massachusetts General Hospital, 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.
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38
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Wang Y, Huang YY, Wang Y, Lyu P, Hamblin MR. Photobiomodulation (blue and green light) encourages osteoblastic-differentiation of human adipose-derived stem cells: role of intracellular calcium and light-gated ion channels. Sci Rep 2016; 6:33719. [PMID: 27650508 PMCID: PMC5030629 DOI: 10.1038/srep33719] [Citation(s) in RCA: 363] [Impact Index Per Article: 45.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2016] [Accepted: 09/01/2016] [Indexed: 11/16/2022] Open
Abstract
Human adipose-derived stem cells (hASCs) have the potential to differentiate into several different cell types including osteoblasts. Photobiomodulation (PBM) or low level laser therapy (LLLT) using red or near-infrared wavelengths has been reported to have effects on both proliferation and osteogenic differentiation of stem cells. We examined the effects of delivering four different wavelengths (420 nm, 540 nm, 660 nm, 810 nm) at the same dose (3 J/cm2) five times (every two days) on hASCs cultured in osteogenic medium over three weeks. We measured expression of the following transcription factors by RT-PCR: RUNX2, osterix, and the osteoblast protein, osteocalcin. The 420 nm and 540 nm wavelengths were more effective in stimulating osteoblast differentiation compared to 660 nm and 810 nm. Intracellular calcium was higher after 420 nm and 540 nm, and could be inhibited by capsazepine and SKF96365, which also inhibited osteogenic differentiation. We hypothesize that activation of light-gated calcium ion channels by blue and green light could explain our results.
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Affiliation(s)
- Yuguang Wang
- Center of Digital Dentistry, Peking University School and Hospital of Stomatology, Beijing, China.,National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing, China.,Wellman Center for Photomedicine, Massachusetts General Hospital, Boston, MA, 02114, USA.,Department of Dermatology, Harvard Medical School, Boston, MA, 02115, USA
| | - Ying-Ying Huang
- Wellman Center for Photomedicine, Massachusetts General Hospital, Boston, MA, 02114, USA.,Department of Dermatology, Harvard Medical School, Boston, MA, 02115, USA
| | - Yong Wang
- Center of Digital Dentistry, Peking University School and Hospital of Stomatology, Beijing, China.,National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing, China
| | - Peijun Lyu
- Center of Digital Dentistry, Peking University School and Hospital of Stomatology, Beijing, China.,National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing, China
| | - Michael R Hamblin
- Wellman Center for Photomedicine, Massachusetts General Hospital, 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
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Liu Y, Zhang H. Low-Level Laser Irradiation Precondition for Cardiac Regenerative Therapy. Photomed Laser Surg 2016; 34:572-579. [PMID: 27627137 DOI: 10.1089/pho.2015.4058] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
OBJECTIVE The purpose of this article was to review the molecular mechanisms of low-level laser irradiation (LLLI) preconditioning for heart cell therapy. BACKGROUND DATA Stem cell transplantation appears to offer a better alternative to cardiac regenerative therapy. Previous studies have confirmed that the application of LLLI plays a positive role in regulating stem cell proliferation and in remodeling the hostile milieu of infarcted myocardium. Greater understanding of LLLI's underlying mechanisms would be helpful in translating cell transplantation therapy into the clinic. METHODS Studies investigating LLLI preconditioning for cardiac regenerative therapy published up to 2015 were retrieved from library sources and Pubmed databases. RESULTS LLLI preconditioning stimulates proliferation and differentiation of stem cells through activation of cell proliferation signaling pathways and alteration of microRNA expression. It also could stimulate paracrine secretion of stem cells and alter cardiac cytokine expression in infarcted myocardium. CONCLUSIONS LLLI preconditioning provides a promising approach to maximize the efficacy of cardiac cell-based therapy. Although many studies have reported possible molecular mechanisms involved in LLLI preconditioning, the exact mechanisms are still not clearly understood.
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Affiliation(s)
- Yiwei Liu
- State Key Laboratory of Cardiovascular Disease and Key laboratory of Cardiac Regenerative Medicine, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College , Beijing, China
| | - Hao Zhang
- State Key Laboratory of Cardiovascular Disease and Key laboratory of Cardiac Regenerative Medicine, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College , Beijing, China
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Polychromatic light-induced osteogenic activity in 2D and 3D cultures. Lasers Med Sci 2016; 31:1665-1674. [DOI: 10.1007/s10103-016-2036-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2015] [Accepted: 07/25/2016] [Indexed: 10/21/2022]
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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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Fekrazad R, Asefi S, Allahdadi M, Kalhori KAM. Effect of Photobiomodulation on Mesenchymal Stem Cells. Photomed Laser Surg 2016; 34:533-542. [PMID: 27070113 DOI: 10.1089/pho.2015.4029] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVE The purpose of this study was to review available literature about the effect of photobiomodulation (PBM) on mesenchymal stem cells (MSCs). BACKGROUND DATA The effects of coherent and noncoherent light sources such as low-level lasers and light-emitting diodes (LEDs) on cells and tissues, known as PBM, form the basis of photomedicine. This treatment technique effects cell function, proliferation, and migration, and plays an important role in tissue regeneration. Stem cells have been found to be helpful elements in tissue regeneration, and the combination of stem cell therapy and laser therapy appears to positively affect treatment results. MATERIALS AND METHODS An electronic search in PubMed was conducted of publications from the previous 12 years. English language articles related to the subject were found using selected key words. The full texts of potentially suitable articles were assessed according to inclusion and exclusion criteria. RESULTS After evaluation, 30 articles were deemed relevant according to the inclusion criteria. The energy density of the laser was 0.7-9 J/cm2. The power used for visible light was 30-110 mW and that used for infrared light was 50-800 mW. Nearly all studies showed that low-level laser therapy had a positive effect on cell proliferation. Similar outcomes were found for LED; however, some studies suggest that the laser alone is not effective, and should be used as an adjunct tool. CONCLUSIONS PBM has positive effects on MSCs. This review concluded that doses of 0.7-4 J/cm2 and wavelengths of 600-700 nm are appropriate for light therapy. The results were dependent upon different parameters; therefore, optimization of parameters used in light therapy to obtain favorable results is required to provide more accurate comparison.
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Affiliation(s)
- Reza Fekrazad
- 1 Dental Faculty, Periodontology Department, AJA University of Medical sciences , Tehran, Iran
| | - Sohrab Asefi
- 2 Postgraduate of Orthodontics, Shahid Beheshti University of Medical Sciences , Tehran, Iran
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Park JS, Park KH. Light enhanced bone regeneration in an athymic nude mouse implanted with mesenchymal stem cells embedded in PLGA microspheres. Biomater Res 2016; 20:4. [PMID: 26893909 PMCID: PMC4758155 DOI: 10.1186/s40824-016-0051-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2015] [Accepted: 01/05/2016] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Biodegradable microspheres fabricated from poly (Lactic-co-glycolic acid) (PLGA) have attracted considerable attention in the bone tissue regeneration field. In this study, rabbit mesenchymal stem cells (rMSCs) adherent to PLGA microspheres were implanted into athymic nude mice and irradiated with 647 nm red light to promote bone formation. It was found that irradiating rMSCs with high levels of red light (647 nm) from an LED (light-emitting diode) increased levels of bone specific markers in rMSCs embedded on PLGA microspheres. RESULT These increased expressions were observed by RT-PCR, real time-QPCR, immunohistochemistry (IHC), and von Kossa and Alizarin red S staining. Microsphere matrices coated with rMSCs were injected into athymic nude mice and irradiated with red light for 60 seconds showed significantly greater bone-specific phenotypes after 4 weeks in vivo. CONCLUSION The devised PLGA microsphere matrix containing rMSCs and irradiation with red light at 647 nm process shows promise as a means of coating implantable biomedical devices to improve their biocompatibilities and in vivo performances.
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Affiliation(s)
- Ji Sun Park
- Department of Biomedical Science, College of Life Science, CHA University, 6F, CHA bio-complex, 689 Sampyeong-Dong, Bundang-Gu, Seongnam-Si Republic of Korea
| | - Keun-Hong Park
- Department of Biomedical Science, College of Life Science, CHA University, 6F, CHA bio-complex, 689 Sampyeong-Dong, Bundang-Gu, Seongnam-Si Republic of Korea
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Green laser light irradiation enhances differentiation and matrix mineralization of osteogenic cells. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2016; 155:130-6. [DOI: 10.1016/j.jphotobiol.2015.12.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2015] [Revised: 11/28/2015] [Accepted: 12/11/2015] [Indexed: 11/18/2022]
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Chintavalakorn R, Tanglitanont T, Khantachawana A, Viravaidya-Pasuwat K, Santiwong P. The effect of light-emitting diode irradiation at different wavelengths on calcification of osteoblast-like cells in 3D culture. ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. ANNUAL INTERNATIONAL CONFERENCE 2016; 2015:3513-6. [PMID: 26737050 DOI: 10.1109/embc.2015.7319150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
This study aimed to investigate the effect of four different light-emitting diode (LED) wavelengths on calcification and proliferation of osteoblast-like cells in vitro. MC3T3-E1 cells were seeded within three-dimensional collagen scaffolds and irradiated daily by LED light with peak emission wavelengths of 630-, 680-, 760- and 830-nm at constant fluency of 3.1 J/cm(2) (irradiance intensity 2 mW/cm(2)). Cultures were measured for calcium content at day 0, 7, 14, 21, 28, 35 and 42. The significant enhancement in calcium content was observed at the early stage of culture (days 7 and 14) (p<;0.05). After that, the calcium content of irradiated groups was similar to that of the controls group. This suggests the transient effect of light irradiation on osteoblastic cell calcification. Only 680-nm irradiated samples revealed a significant enhancement of calcium content until the late stages of culture (from days 21 to 42) (p<;0.001). The cyclin D mRNA expression that was investigated 3 hours after stimulation at day3 also show that the 680-nm LED irradiation can enhance cyclin D expression more than others. For enhancing bone mineralization, LED irradiation at the 680-nm is more effective than those at 630-, 760- and 830-nm. Further studies should be investigated in order to obtain the most effective parameters of LLLI on bone regeneration in clinical setting.
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Fekrazad R, Sadeghi Ghuchani M, Eslaminejad M, Taghiyar L, Kalhori K, Pedram M, Shayan A, Aghdami N, Abrahamse H. The effects of combined low level laser therapy and mesenchymal stem cells on bone regeneration in rabbit calvarial defects. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2015; 151:180-5. [DOI: 10.1016/j.jphotobiol.2015.08.002] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2015] [Revised: 07/16/2015] [Accepted: 08/11/2015] [Indexed: 11/26/2022]
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Low Reactive Level Laser Therapy for Mesenchymal Stromal Cells Therapies. Stem Cells Int 2015; 2015:974864. [PMID: 26273309 PMCID: PMC4529981 DOI: 10.1155/2015/974864] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2014] [Accepted: 03/14/2015] [Indexed: 12/24/2022] Open
Abstract
Low reactive level laser therapy (LLLT) is mainly focused on the activation of intracellular or extracellular chromophore and the initiation of cellular signaling by using low power lasers. Over the past forty years, it was realized that the laser therapy had the potential to improve wound healing and reduce pain and inflammation. In recent years, the term LLLT has become widely recognized in the field of regenerative medicine. In this review, we will describe the mechanisms of action of LLLT at a cellular level and introduce the application to mesenchymal stem cells and mesenchymal stromal cells (MSCs) therapies. Finally, our recent research results that LLLT enhanced the MSCs differentiation to osteoblast will also be described.
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Emel'yanov AN, Kir'yanova VV. [The application of stem cells, visible and infrared light in regenerative medicine. Part 1]. VOPROSY KURORTOLOGII, FIZIOTERAPII, I LECHEBNOĬ FIZICHESKOĬ KULTURY 2015; 92:51-62. [PMID: 25876436 DOI: 10.17116/kurort2015151-62] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
OBJECTIVE The present article was designed to overview the experimental studies of visible and infrared light irradiation of human and animal stem cells (SC) in vitro and in vivo for the evaluation of its photobiomodulatory effects. The results will be used to elaborate substantiation for the choice of the parameters of SC light irradiation and to develop recommendations for the application of this method in regenerative medicine (RM). BACKGROUND The clinical application of light irradiation is a matter of contrsy, in the first place due to the difficulties encountered in the rational choice of irradiation parameters. The theoretical substantiation of such choice remains a stumbling block too despite the long history of photoghromotherapy. There is thus far no reliable theoretical basis for the adequate choice of such irradiation parameters as power density, radiation dose, and exposure time. The experiences with the light application for the purpose of regenerative medicine have never been summarized. RESULTS The present review encompasses 78 articles selected for the basic analysis that report the studies with the use of a variety of SC types. The analysis has demonstrated that clinical investigations into the influence of light on the stem cells are still in their infancy. It was shown that the irradiation parameters need to be chosen taking into consideration the type of the stem cells. Different authors report the achievement of the maximum SC proliferation and differentiation rates at energy densities as high as 50 mW/sq.cm, small radiation doses (around 1 J/sq.cm) and exposure time (on the order of seconds). CONCLUSION The general conclusion for Parts 1 and II of this communication will be presented in the next issue of this journal (number 2, 2015).
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Affiliation(s)
- A N Emel'yanov
- GBOU VPO 'Severo-Zapadnyj gosudarstvennyj meditsinskij universitet im. I.I. Mechnikova' Minzdrava Rossii, ul. Kirochnaja, 41, Sankt-Peterburg, Rossijskaja Federatsija, 191015
| | - V V Kir'yanova
- GBOU VPO 'Severo-Zapadnyj gosudarstvennyj meditsinskij universitet im. I.I. Mechnikova' Minzdrava Rossii, ul. Kirochnaja, 41, Sankt-Peterburg, Rossijskaja Federatsija, 191015
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Effect of low-level laser therapy on mesenchymal stem cell proliferation: a systematic review. Lasers Med Sci 2015; 30:2189-94. [DOI: 10.1007/s10103-015-1730-9] [Citation(s) in RCA: 338] [Impact Index Per Article: 37.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2014] [Accepted: 02/22/2015] [Indexed: 10/23/2022]
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Roozegar MA, Mohammadi TM, Havasian MR, Panahi J, Hashemian A, Amraei M, Hoshmand B. In vitro Osteogenic impulse effect of Dexamethasone on periodontal ligament stem cells. Bioinformation 2015; 11:96-100. [PMID: 25848170 PMCID: PMC4369685 DOI: 10.6026/97320630011096] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2014] [Accepted: 01/26/2015] [Indexed: 11/23/2022] Open
Abstract
Periodontium is a complex organ composed of mineralized epithelial and connective tissue. Dexamethasone could stimulate proliferation of osteoblast and fibroblasts. This study aimed to assess the osteogenic effect of dexamethasone on periodental ligament (PDL) stem cells. PDL stem cells were collected from periodontal ligament tissue of root of extracted premolar of young and healthy people. The stem cells were cultured in α-MEM Medium in three groups, one group with basic medium contains (α- MEM and FBS 10 % and 50 mmol of β_ gelisrophosphat and L_ ascorbic acid µg/ml), the second group: basic medium with dexamethasone and the third one: basic medium without any osteogenic stimulant. Mineralization of cellular layer was analyzed with Alizarin red stain method. Osteogenic analysis was done by Alkaline phosphates and calcium test. These analysis indicated that the amount of intra-cellular calcium and alkaline phosphates in the Dexamethasone group was far more than the control and basic group (P<0.05). The results of Alizarin red stain indicated more mineralization of cultured cells in Dexamethasone group (P<0.05). The study results showed that Dexamethasone has significant osteogenic effect on PDL stem cells and further studies are recommended to evaluate its effect on treatment of bone disorders.
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Affiliation(s)
- Mohamad Ali Roozegar
- Department of Periodentistry, Faculty of Dentistry, Ilam University of Medical Sciences, Ilam/ Iran
| | - Tayebeh Malek Mohammadi
- Research Center for Social Determinant of Health, Institute of Futures Studies in Health and dental public health department, Kerman University of Medical sciences, Kerman/ Iran
| | - Mohamad Reza Havasian
- Department of Periodentistry, Faculty of Dentistry, Ilam University of Medical Sciences, Ilam/ Iran
| | - Jafar Panahi
- Department of Periodentistry, Faculty of Dentistry, Ilam University of Medical Sciences, Ilam/ Iran
| | - Amirreza Hashemian
- Department of Periodentistry, Faculty of Dentistry, Ilam University of Medical Sciences, Ilam/ Iran
| | - Mansur Amraei
- Department of Physiology, Faculty of Medicine, Ilam University of Medical Sciences, Ilam/ Iran
| | - Behzad Hoshmand
- Department of Periodontics, Faculty of Dentistry, Shahid beheshti University of Medical Sciences, Tehran/ Iran
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