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Kırmızı D, Sehirli AÖ, Sayiner S, Orhan K, Sebai A, Aksoy U. Effects of melatonin against experimentally induced apical periodontitis in rats. AUST ENDOD J 2024; 50:218-226. [PMID: 38509787 DOI: 10.1111/aej.12841] [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: 09/24/2023] [Revised: 01/17/2024] [Accepted: 03/10/2024] [Indexed: 03/22/2024]
Abstract
Apical periodontitis is an inflammatory condition resulting from microbial invasion in the root canal system, causing periapical tissue destruction and bone resorption. This study investigated melatonin's effects, known for its antioxidant and anti-inflammatory properties, on experimentally induced apical periodontitis in rats. Three groups of rats were studied: control, apical periodontitis and apical periodontitis with melatonin treatment. Proinflammatory cytokines and enzyme levels in blood serum were measured, and micro-CT analysis assessed bone resorption. Results showed significantly elevated cytokines and enzyme levels in the apical periodontitis group compared to the control. However, in the melatonin-treated group, these levels were significantly reduced (p < 0.01-0.001). Micro-CT analysis indicated decreased periapical resorption cavity volume and surface area with melatonin treatment. This suggests that systemic melatonin administration can mitigate inflammation and reduce bone resorption in experimentally induced apical periodontitis in rats, potentially holding promise for human endodontic disease treatment pending further research.
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Affiliation(s)
- D Kırmızı
- Department of Endodontics, Faculty of Dentistry, Near East University, Nicosia, Mersin, Turkey
| | - A Ö Sehirli
- Department of Pharmacology, Faculty of Dentistry, Near East University, Nicosia, Mersin, Turkey
| | - S Sayiner
- Department of Biochemistry, Faculty of Veterinary Medicine, Near East University, Nicosia, Mersin, Turkey
| | - K Orhan
- Department of Maxillofacial Radiology, Faculty of Dentistry, Ankara University, Ankara, Turkey
- Medical Design Application and Research Center (MEDITAM), Ankara University, Ankara, Turkey
| | - A Sebai
- Department of Endodontics, Faculty of Dentistry, Near East University, Nicosia, Mersin, Turkey
| | - U Aksoy
- Department of Endodontics, Faculty of Dentistry, Near East University, Nicosia, Mersin, Turkey
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Hosseinzadeh A, Jamshidi Naeini A, Sheibani M, Gholamine B, Reiter RJ, Mehrzadi S. Melatonin and oral diseases: possible therapeutic roles based on cellular mechanisms. Pharmacol Rep 2024; 76:487-503. [PMID: 38607587 DOI: 10.1007/s43440-024-00593-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Revised: 03/29/2024] [Accepted: 04/02/2024] [Indexed: 04/13/2024]
Abstract
Oral diseases, including periodontal disorders, oral cancer, periodontitis, and mucositis are the major challenges for both patients and healthcare providers. These conditions often involve inflammation, oxidative stress, and impaired cellular processes, leading to symptoms ranging from discomfort to severe debilitation. Conventional treatments for such oral diseases exhibit constraints, prompting the investigation of innovative therapeutic approaches. Considering the anti-inflammatory, anti-oxidant, and anti-cancer effects of melatonin, this study was carried out to investigate the potential protective effects of melatonin in mitigating the severity of oral diseases. Studies indicate that melatonin influences the differentiation of periodontal stem cells, inhibits oral cancer progression, reduces inflammation associated with periodontitis, and alleviates the severity of oral mucositis. Melatonin has demonstrated potential efficacy in both preclinical and clinical investigations; however, findings are frequently heterogeneous and contingent upon contextual factors. This review provides a comprehensiveoverview of current state of knowledge in this domain, elucidating the multifaceted role that melatonin may assume in combatingoral diseases. Further research should be directed toward determining the most effective dosing, timing, and administration methods for melatonin-based therapies for oral diseases.
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Affiliation(s)
- Azam Hosseinzadeh
- Razi Drug Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Ali Jamshidi Naeini
- Razi Drug Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Mohammad Sheibani
- Razi Drug Research Center, Iran University of Medical Sciences, Tehran, Iran
- Department of Pharmacology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Babak Gholamine
- Department of Pharmacology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Russel J Reiter
- Department of Cell Systems and Anatomy, UT Health San Antonio, San Antonio, TX, USA
| | - Saeed Mehrzadi
- Razi Drug Research Center, Iran University of Medical Sciences, Tehran, Iran.
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3
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Choukroun E, Parnot M, Surmenian J, Gruber R, Cohen N, Davido N, Simonpieri A, Savoldelli C, Afota F, El Mjabber H, Choukroun J. Bone Formation and Maintenance in Oral Surgery: The Decisive Role of the Immune System-A Narrative Review of Mechanisms and Solutions. Bioengineering (Basel) 2024; 11:191. [PMID: 38391677 PMCID: PMC10886049 DOI: 10.3390/bioengineering11020191] [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: 01/03/2024] [Revised: 02/03/2024] [Accepted: 02/09/2024] [Indexed: 02/24/2024] Open
Abstract
Based on the evidence of a significant communication and connection pathway between the bone and immune systems, a new science has emerged: osteoimmunology. Indeed, the immune system has a considerable impact on bone health and diseases, as well as on bone formation during grafts and its stability over time. Chronic inflammation induces the excessive production of oxidants. An imbalance between the levels of oxidants and antioxidants is called oxidative stress. This physio-pathological state causes both molecular and cellular damage, which leads to DNA alterations, genetic mutations and cell apoptosis, and thus, impaired immunity followed by delayed or compromised wound healing. Oxidative stress levels experienced by the body affect bone regeneration and maintenance around teeth and dental implants. As the immune system and bone remodeling are interconnected, bone loss is a consequence of immune dysregulation. Therefore, oral tissue deficiencies such as periodontitis and peri-implantitis should be regarded as immune diseases. Bone management strategies should include both biological and surgical solutions. These protocols tend to improve immunity through antioxidant production to enhance bone formation and prevent bone loss. This narrative review aims to highlight the relationship between inflammation, oxidation, immunity and bone health in the oral cavity. It intends to help clinicians to detect high-risk situations in oral surgery and to propose biological and clinical solutions that will enhance patients' immune responses and surgical treatment outcomes.
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Affiliation(s)
| | | | | | - Reinhard Gruber
- Department of Oral Biology, University Clinic of Dentistry, Medical University of Vienna, 1090 Vienna, Austria
| | | | | | | | | | - Franck Afota
- Private Practice, 06000 Nice, France
- Head and Neck Institute, CHU, 06000 Nice, France
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Kamfar WW, Khraiwesh HM, Ibrahim MO, Qadhi AH, Azhar WF, Ghafouri KJ, Alhussain MH, Aldairi AF, AlShahrani AM, Alghannam AF, Abdulal RH, Al-Slaihat AH, Qutob MS, Elrggal ME, Ghaith MM, Azzeh FS. Comprehensive review of melatonin as a promising nutritional and nutraceutical supplement. Heliyon 2024; 10:e24266. [PMID: 38293391 PMCID: PMC10825492 DOI: 10.1016/j.heliyon.2024.e24266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 10/05/2023] [Accepted: 01/05/2024] [Indexed: 02/01/2024] Open
Abstract
Background Melatonin is an indoleamine hormone secreted by the pineal gland at night and has an essential role in regulating human circadian rhythms (the internal 24-h clock) and sleep-wake patterns. However, it has recently gained considerable attention for its demonstrated ability in disease management. This review discusses the major biological activities of melatonin, its metabolites as nutritional supplements, and its bioavailability in food sources. Methods The information acquisition process involved conducting a comprehensive search across academic databases including PubMed, Scopus, Wiley, Embase, and Springer using relevant keywords. Only the most recent, peer-reviewed articles published in the English language were considered for inclusion. Results The molecular mechanisms by which melatonin induces its therapeutic effects have been the subject of various studies. Conclusion While melatonin was initially understood to only regulate circadian rhythms, recent studies indicate that it has a far-reaching effect on various organs and physiological systems, such as immunity, cardiovascular function, antioxidant defense, and lipid hemostasis. As a potent antioxidant, anti-cancer, anti-inflammatory, and immunoregulatory agent, multiple therapeutic applications have been proposed for melatonin.
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Affiliation(s)
- Waad W. Kamfar
- Department of Clinical Nutrition, Faculty of Applied Medical Sciences, UmmAl-Qura University, P.O. Box: 7067, Makkah, Saudi Arabia
- Medical Nutrition and Food Services Department, Almana Hospitals, Aziziah, Dammam, Saudi Arabia
| | - Husam M. Khraiwesh
- Department of Nutrition and Food Processing, Faculty of Agricultural Technology, Al-Balqa’ Applied University, Salt, Jordan
| | - Mohammed O. Ibrahim
- Department of Nutrition and Food Technology, Faculty of Agriculture, Mu'tah University, Karak, Jordan
| | - Alaa H. Qadhi
- Department of Clinical Nutrition, Faculty of Applied Medical Sciences, UmmAl-Qura University, P.O. Box: 7067, Makkah, Saudi Arabia
| | - Wedad F. Azhar
- Department of Clinical Nutrition, Faculty of Applied Medical Sciences, UmmAl-Qura University, P.O. Box: 7067, Makkah, Saudi Arabia
| | - Khloud J. Ghafouri
- Department of Clinical Nutrition, Faculty of Applied Medical Sciences, UmmAl-Qura University, P.O. Box: 7067, Makkah, Saudi Arabia
| | - Maha H. Alhussain
- Department of Food Science and Nutrition, College of Food and Agriculture Sciences, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Abdullah F. Aldairi
- Faculty of Applied Medical Sciences, Department of Clinical Laboratory Sciences, Umm Al-Qura University, Al Abdeyah, Makkah, 7607, Saudi Arabia
| | - Abdullah M. AlShahrani
- Department of Basic Medical Sciences, College of Applied Medical Sciences, Khamis Mushayt, King Khalid University, Abha, 62561, Saudi Arabia
| | - Abdullah F. Alghannam
- Lifestyle and Health Research Center, Health Sciences Research Center, Princess Nourah Bint Abdulrahman University, Riyadh, 84428, Saudi Arabia
| | - Rwaa H. Abdulal
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
- Department of Biology, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
| | - Abed H. Al-Slaihat
- Department of Nutrition and Food Technology, School of Agriculture, The University of Jordan, Amman, Jordan
| | - Maysoun S. Qutob
- Clinical Nutrition and Dietetics Department, Faculty of Allied Medical Sciences, Applied Science Private University, Amman, Jordan
| | | | - Mazen M. Ghaith
- Faculty of Applied Medical Sciences, Department of Clinical Laboratory Sciences, Umm Al-Qura University, Al Abdeyah, Makkah, 7607, Saudi Arabia
| | - Firas S. Azzeh
- Department of Clinical Nutrition, Faculty of Applied Medical Sciences, UmmAl-Qura University, P.O. Box: 7067, Makkah, Saudi Arabia
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Gil-Martín E, Ramos E, López-Muñoz F, Egea J, Romero A. Potential of melatonin to reverse epigenetic aberrations in oral cancer: new findings. EXCLI JOURNAL 2023; 22:1280-1310. [PMID: 38234969 PMCID: PMC10792176 DOI: 10.17179/excli2023-6624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Accepted: 11/22/2023] [Indexed: 01/19/2024]
Abstract
It is now an accepted principle that epigenetic alterations cause cellular dyshomeostasis and functional changes, both of which are essential for the initiation and completion of the tumor cycle. Oral carcinogenesis is no exception in this regard, as most of the tumors in the different subsites of the oral cavity arise from the cross-reaction between (epi)genetic inheritance and the huge challenge of environmental stressors. Currently, the biochemical machinery is put at the service of the tumor program, halting the cell cycle, triggering uncontrolled proliferation, driving angiogenesis and resistance to apoptosis, until the archetypes of the tumor phenotype are reached. Melatonin has the ability to dynamically affect the epigenetic code. It has become accepted that melatonin can reverse (epi)genetic aberrations present in oral and other cancers, suggesting the possibility of enhancing the oncostatic capacity of standard multimodal treatments by incorporating this indolamine as an adjuvant. First steps in this direction confirm the potential of melatonin as a countermeasure to mitigate the detrimental side effects of conventional first-line radiochemotherapy. This single effect could produce synergies of extraordinary clinical importance, allowing doses to be increased and treatments not to be interrupted, ultimately improving patients' quality of life and prognosis. Motivated by the urgency of improving the medical management of oral cancer, many authors advocate moving from in vitro and preclinical research, where the bulk of melatonin cancer research is concentrated, to systematic randomized clinical trials on large cohorts. Recognizing the challenge to improve the clinical management of cancer, our motivation is to encourage comprehensive and robust research to reveal the clinical potential of melatonin in oral cancer control. To improve the outcome and quality of life of patients with oral cancer, here we provide the latest evidence of the oncolytic activity that melatonin can achieve by manipulating epigenetic patterns in oronasopharyngeal tissue.
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Affiliation(s)
- Emilio Gil-Martín
- Department of Biochemistry, Genetics and Immunology, Faculty of Biology, University of Vigo, 36310 Vigo, Spain
| | - Eva Ramos
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Complutense University of Madrid, 28040 Madrid, Spain
| | - Francisco López-Muñoz
- Faculty of Health, Camilo José Cela University of Madrid (UCJC), 28692 Madrid, Spain
- Neuropsychopharmacology Unit, Hospital 12 de Octubre Research Institute, 28041 Madrid, Spain
| | - Javier Egea
- Unidad de Investigación, Hospital Santa Cristina, Instituto de Investigación Sanitaria Princesa (IIS-IP), 28006 Madrid, Spain
| | - Alejandro Romero
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Complutense University of Madrid, 28040 Madrid, Spain
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Abdelrasoul M, El-Fattah AA, Kotry G, Ramadan O, Essawy M, Kamaldin J, Kandil S. Regeneration of critical-sized grade II furcation using a novel injectable melatonin-loaded scaffold. Oral Dis 2023; 29:3583-3598. [PMID: 35839150 DOI: 10.1111/odi.14314] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Revised: 06/28/2022] [Accepted: 07/06/2022] [Indexed: 11/29/2022]
Abstract
BACKGROUND Periodontal regenerative therapy using bone-substituting materials has gained favorable clinical significance in enhancing osseous regeneration. These materials should be biocompatible, osteogenic, malleable, and biodegradable. This study assessed the periodontal regenerative capacity of a novel biodegradable bioactive hydrogel template of organic-inorganic composite loaded with melatonin. MATERIALS AND METHODS A melatonin-loaded alginate-chitosan/beta-tricalcium phosphate composite hydrogel was successfully prepared and characterized. Thirty-six critical-sized bilateral class II furcation defects were created in six Mongrel dogs, and were randomly divided and allocated to three cohorts; sham, unloaded composite, and melatonin-loaded. Periodontal regenerative capacity was evaluated via histologic and histomorphometric analysis. RESULTS Melatonin-treated group showed accelerated bone formation and advanced maturity, with a significant twofold increase in newly formed inter-radicular bone compared with the unloaded composite. The short-term regenerative efficacy was evident 4 weeks postoperatively as a significant increase in cementum length concurrent with reduction of entrapped epithelium. After 8 weeks, the scaffold produced a quality of newly synthesized bone similar to normal compact bone, with potent periodontal ligament attachment. CONCLUSIONS Melatonin-loaded hydrogel template accelerated formation and enhanced quality of newly formed bone, allowing complete periodontal regeneration. Furthermore, the scaffold prevented overgrowth and entrapment of epithelial cells in furcation defects.
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Affiliation(s)
- Mohamed Abdelrasoul
- Department of Materials Science, Institute of Graduate Studies and Research, Alexandria University, Alexandria, Egypt
| | - Ahmed Abd El-Fattah
- Department of Materials Science, Institute of Graduate Studies and Research, Alexandria University, Alexandria, Egypt
- Department of Chemistry, College of Science, University of Bahrain, Sakhir, Kingdom of Bahrain
| | - Gehan Kotry
- Department of Oral Medicine and Periodontology, Faculty of Dentistry, Alexandria University, Alexandria, Egypt
| | - Omneya Ramadan
- Department of Oral Pathology, Faculty of Dentistry, Alexandria University, Alexandria, Egypt
| | - Marwa Essawy
- Department of Oral Pathology, Faculty of Dentistry, Alexandria University, Alexandria, Egypt
- Center of Excellence for Research in Regenerative Medicine and Applications (CERRMA), Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - Jahangir Kamaldin
- Integrative Medicine Cluster, Advanced Medical and Dental Institute, Universiti Sains Malaysia, Pulau Pinang, Bertam, Malaysia
| | - Sherif Kandil
- Department of Materials Science, Institute of Graduate Studies and Research, Alexandria University, Alexandria, Egypt
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Harris J, Malaiappan S, S R. The Development and Evaluation of Melatonin-Loaded, Calcium Oxide Nanoparticle-Based Neem and Clove Extract: An In Vitro Study. Cureus 2023; 15:e46293. [PMID: 37915867 PMCID: PMC10616532 DOI: 10.7759/cureus.46293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Accepted: 09/30/2023] [Indexed: 11/03/2023] Open
Abstract
Background Various local drug delivery systems have been tried so far to target microorganisms responsible for periodontitis. However, none of them were effective enough to destroy the periodontal pathogens. This study aimed to analyze the antimicrobial, antioxidant, and anti-inflammatory properties of melatonin-loaded, calcium oxide nanoparticles-based neem and clove extract against oral pathogens to be further used as a local delivery agent. Methodology Powdered fresh neem leaves and clove buds were weighed, added to double distilled water, and then boiled for half an hour. Boiling helps in activating the phytochemicals present in the extract. The solution was boiled further to obtain a concentrated solution. To this 0.241 g of melatonin powder dissolved in 10 mL of double distilled water was added to the previous mixture and left undisturbed in a stirrer overnight. Results The properties of the extract such as antioxidant, antibacterial, anti-inflammatory, cytotoxicity, and embryonic toxicology were studied. In the case of antimicrobial activity, at 100 μg/mL, the zone of inhibition (ZOI) was the highest at 18 ± 0.16 μg/mL and the lowest at 13 ± 0.3 at 25 μg/mL for Candida albicans. Similarly, at 100 μg/mL, the ZOI was the highest at 15 ± 0.25 μg/mL and the lowest was 13 ± 0.12 at 25 μg/mL for Streptococcus mutans and Staphylococcus aureus. Similarly, in the case of antioxidant and anti-inflammatory properties, they showed increased activity with increased concentrations of 10, 20, 30, 40, and 50 μg/mL. Conclusions This study proves that melatonin-added extracts have antimicrobial, antioxidant, anti-inflammatory, and cytotoxic properties which are almost equal to that of the standard. This indicates that they can be possibly further used as local delivery drugs. Further animal or cell line studies should be conducted before experimenting this is in clinical trials for periodontitis patients.
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Affiliation(s)
- Johnisha Harris
- Periodontology, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, IND
| | - Sankari Malaiappan
- Periodontology, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, IND
| | - Rajeshkumar S
- Pharmacology, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, IND
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Shang J, Liu H, Zheng Y, Zhang Z. Role of oxidative stress in the relationship between periodontitis and systemic diseases. Front Physiol 2023; 14:1210449. [PMID: 37501927 PMCID: PMC10369007 DOI: 10.3389/fphys.2023.1210449] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Accepted: 07/05/2023] [Indexed: 07/29/2023] Open
Abstract
Periodontitis is a common inflammatory disease. It is characterized by destruction of the supporting structures of the teeth and could lead to tooth loss and systemic inflammation. Bacteria in inflamed gingival tissue and virulence factors are capable of entering the bloodstream to induce systemic inflammatory response, thus influencing the pathological process of many diseases, such as cardiovascular diseases, diabetes, chronic kidney disease, as well as liver injury. An increasing body of evidence show the complex interplay between oxidative stress and inflammation in disease pathogenesis. When periodontitis occurs, increased reactive oxygen species accumulation leads to oxidative stress. Oxidative stress contributes to major cellular components damage, including DNA, proteins, and lipids. In this article, the focus will be on oxidative stress in periodontal disease, the relationship between periodontitis and systemic inflammation, and the impact of periodontal therapy on oxidative stress parameters.
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Affiliation(s)
- Jiaxin Shang
- Tianjin Stomatological Hospital, School of Medicine, Nankai University, Tianjin, China
- Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction, Tianjin, China
| | - Haifeng Liu
- Tianjin Stomatological Hospital, School of Medicine, Nankai University, Tianjin, China
- Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction, Tianjin, China
| | - Youli Zheng
- The School and Hospital of Stomatology, Tianjin Medical University, Tianjin, China
| | - Zheng Zhang
- Tianjin Stomatological Hospital, School of Medicine, Nankai University, Tianjin, China
- Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction, Tianjin, China
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Golpasandhagh L, Samie N, Sabiza S, Rezaie A. Histopathological evaluation of the effect of melatonin gel on bone regeneration in rat model. J Indian Soc Periodontol 2023; 27:368-373. [PMID: 37593555 PMCID: PMC10431222 DOI: 10.4103/jisp.jisp_169_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 01/20/2023] [Accepted: 01/22/2023] [Indexed: 08/19/2023] Open
Abstract
Background The purpose of this research was to investigate the effects of different doses of topical melatonin gel on bone regeneration in rat calvarial defects using histological analysis. Materials and Methods Fifteen adult female Wistar rats weighing approximately 200 g were used and 8 mm in diameter defects were created in their calvaria. The rats were divided into three groups: 1.2% melatonin gel, 5% melatonin gel, and the control group. The animals were sacrificed after 4 weeks. Hematoxylin and eosin staining were used to prepare histological sections. Statistical analysis was performed using the Analysis of variance and Tukey's post-hoc test. P < 0.05 was considered significant. Results The results showed a significant difference in rate of ossification (P < 0.001), area of new capillaries (P = 0.002), and mean degree of inflammation (P < 0.001) between the three groups. Comparing groups pairwise, degree of inflammation (P = 0.003) and area of new capillaries (P = 0.019) were significantly lower in the 5% melatonin gel group than the 1.2% melatonin gel group (P = 0.003). The percentage of ossification was substantially greater in the 5% melatonin gel group than in the control and 1.2% melatonin gel groups (P < 0.001). Conclusion Within the limitations of this animal study, our findings revealed that melatonin gel can be used as a stimulant of bone formation. Outcomes in this study show increased percentage of ossification in the melatonin groups when compared with the control, in a dose-dependent manner, as 5% melatonin gel has a greater effect on ossification.
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Affiliation(s)
- Leila Golpasandhagh
- Department of Periodontology, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Neda Samie
- Department of Periodontology, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Soroush Sabiza
- Department of Clinical Science, Faculty of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran
| | - Annahita Rezaie
- Department of Pathobiology, Faculty of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran
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Viglianisi G, Tartaglia GM, Santonocito S, Amato M, Polizzi A, Mascitti M, Isola G. The Emerging Role of Salivary Oxidative Stress Biomarkers as Prognostic Markers of Periodontitis: New Insights for a Personalized Approach in Dentistry. J Pers Med 2023; 13:166. [PMID: 36836401 PMCID: PMC9964692 DOI: 10.3390/jpm13020166] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 01/14/2023] [Accepted: 01/16/2023] [Indexed: 01/18/2023] Open
Abstract
Periodontitis is a multifactorial and infective oral disease that leads to the destruction of periodontal tissues and tooth loss. Although the treatment of periodontitis has improved recently, the effective treatment of periodontitis and the periodontitis-affected periodontal tissues is still a challenge. Therefore, exploring new therapeutic strategies for a personalized approach is urgent. For this reason, the aim of this study is to summarize recent advances and the potential of oxidative stress biomarkers in the early diagnosis and personalized therapeutic approaches in periodontitis. Recently, ROS metabolisms (ROMs) have been studied in the physiopathology of periodontitis. Different studies show that ROS plays a crucial role in periodontitis. In this regard, the reactive oxygen metabolites (ROMs) started to be searched for the measures of the oxidizing capacity of the plasma understood as the total content of oxygen free radicals (ROS). The oxidizing capacity of plasma is a significant indicator of the body's oxidant state as well as homocysteine (Hcy), sulfur amino acid, which has pro-oxidant effects as it favors the production of superoxide anion. More specifically, the thioredoxin (TRX) and peroxiredoxin (PRX) systems control reactive oxygen species (ROS), such as superoxide and hydroxyl species, to transduce redox signals and change the activities of antioxidant enzymes to remove free radicals. Superoxide dismutase (SOD), catalase, and glutathione peroxidase (GPx), among other antioxidant enzymes, change their activity when ROS are produced in order to neutralize free radicals. The TRX system is triggered and transduces redox signals to do this.
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Affiliation(s)
- Gaia Viglianisi
- Department of General Surgery and Surgical-Medical Specialties, School of Dentistry, University of Catania, Via S. Sofia 78, 95124 Catania, Italy
| | - Gianluca Martino Tartaglia
- Section of Maxillo-Facial Surgery and Dentistry Fondazione IRCCS Cà Granda, Ospedale Maggiore Policlinico, Department of Orthodontics, School of Dentistry, University of Milan, 20122 Milan, Italy
| | - Simona Santonocito
- Department of General Surgery and Surgical-Medical Specialties, School of Dentistry, University of Catania, Via S. Sofia 78, 95124 Catania, Italy
| | - Mariacristina Amato
- Department of General Surgery and Surgical-Medical Specialties, School of Dentistry, University of Catania, Via S. Sofia 78, 95124 Catania, Italy
| | - Alessandro Polizzi
- Department of General Surgery and Surgical-Medical Specialties, School of Dentistry, University of Catania, Via S. Sofia 78, 95124 Catania, Italy
| | - Marco Mascitti
- Department of Clinical Specialistic and Dental Sciences, Marche Polytechnic University, Via Tronto 10/A, 60126 Ancona, Italy
| | - Gaetano Isola
- Department of General Surgery and Surgical-Medical Specialties, School of Dentistry, University of Catania, Via S. Sofia 78, 95124 Catania, Italy
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Lin IP, Chang PC. Physiological reaction of anxious patients taking sedative medications before and after periodontal surgery. J Dent Sci 2023; 18:345-352. [PMID: 36643220 PMCID: PMC9831853 DOI: 10.1016/j.jds.2022.08.031] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Revised: 08/27/2022] [Indexed: 01/18/2023] Open
Abstract
Background/purpose Clinicians use sedatives for anxiety patients at times in daily practice, but the direct influence of the medication on the wound healing of periodontal tissues is unknown. The aim of this study was to analyze the influence of the short-term administration of diazepam to patients with dental anxiety undergoing free gingival graft (FGG) procedures. Materials and methods A total of 51 FGG procedures in 39 patients were included. Twenty-six anxious patients medicated with 5 mg of diazepam from the night before surgery to 7 days after surgery served as the medication group, and the rest served as the control group. Direct examination, photographs and H2O2 were used to evaluate the healing of palatal wounds. Stress levels and sleep quality, and salivary melatonin levels were assessed. Results On Day 14, complete epithelization of the wounds was noted in 48.39% of the patients in the medication group and 35.29% of the patients in the control group. Regardless of whether they receive medication or not, groups with complete epithelialization by Day 14 had higher levels of preoperative melatonin than those without, with a P value of 0.02. The postoperative melatonin in the medication group tended to present higher levels than the control group. Conclusion Higher preoperative melatonin levels can accelerate wound healing. The short-term administration of the diazepam seemed to facilitate palatal wound healing by reducing stress and maintaining postoperative melatonin levels. This is the first time the relationships between sedatives, melatonin levels and palatal wound healing has been reported.
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Affiliation(s)
- I-Ping Lin
- Graduate Institute of Clinical Dentistry, School of Dentistry, College of Medicine, National Taiwan University, Taipei, Taiwan
- Division of Periodontology, Department of Dentistry, National Taiwan University Hospital Hsin-Chu Branch, Hsinchu, Taiwan
| | - Po-Chun Chang
- Graduate Institute of Clinical Dentistry, School of Dentistry, College of Medicine, National Taiwan University, Taipei, Taiwan
- Division of Periodontology, Department of Dentistry, National Taiwan University Hospital, Taipei, Taiwan
- School of Dentistry, College of Dental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
- Corresponding author. Graduate Institute of Clinical Dentistry, School of Dentistry, College of Medicine, National Taiwan University, Taipei 100, Taiwan.
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12
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Oliveira EA, Dalla-Costa KL, França FM, Kantovitz KR, Peruzzo DC. Influence of melatonin associated with the Bio-Gide® membrane on osteoblast activity: an in vitro Study. ACTA ODONTOLOGICA LATINOAMERICANA : AOL 2022; 35:90-97. [PMID: 36260939 DOI: 10.54589/aol.35/2/90] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/01/2022] [Accepted: 03/01/2022] [Indexed: 06/16/2023]
Abstract
Melatonin (MLT) is a hormone responsible for regulating several physiological processes. It has been shown that MLT can be an important mediator in bone formation and stimulation, promoting osteoblast differentiation. In clinical practice, in tissue regeneration procedures, it is necessary to use membranes or barriers, associated with biomaterials, or not. The aim of this in vitro study was to assess the effect of melatonin on the activity of osteoblastic cells, associated, or not, with a resorbable collagen membrane (Bio-Gideä). For this, mice-derived pre-osteoblastic cells MC3T3 obtained from the ATCC (American Type Culture Collection) were used. Cultured cells were subject to the following treatments: MLT with a concentration of 1mM, a Bio-Gideä membrane and a membrane associated with MLT (Bio-Gideä + MLT). Proliferation and cell viability assays and protein lysate (ELISA test) quantification for the BMP-2 protein were carried out, in periods of 72 hours, 7 days and 10 days. After analyzing the data (one-way ANOVA, alpha=5%) it was observed that when MLT was used in isolation, there was an increase in cell proliferation and viability in osteoblastic cells (p<0.05). But, when MLT was associated with resorbable membranes, there was an inverse behavior, both in terms of proliferation and viability (p<0.05). In the case of the ELISA test, no secretion of BMP-2 was detected in any of the analyzed groups. It is concluded that MLT has a stimulatory effect on osteoblasts, but, when associated with Bio-Gideä resorbable membranes, it does not show any viable action in osteoblastic cell stimulation.
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Affiliation(s)
- Eliene A Oliveira
- Faculdade de Odontologia São Leopoldo Mandic, Departamento de Pesquisa em Odontologia, Campinas, São Paulo, Brasil
| | - Karen L Dalla-Costa
- Faculdade de Odontologia São Leopoldo Mandic, Departamento de Pesquisa em Odontologia, Campinas, São Paulo, Brasil.
| | - Fabiana Mg França
- Faculdade de Odontologia São Leopoldo Mandic, Departamento de Pesquisa em Odontologia, Campinas, São Paulo, Brasil
| | - Kamila R Kantovitz
- Faculdade de Odontologia São Leopoldo Mandic, Departamento de Pesquisa em Odontologia, Campinas, São Paulo, Brasil
| | - Daiane C Peruzzo
- Faculdade de Odontologia São Leopoldo Mandic, Departamento de Pesquisa em Odontologia, Campinas, São Paulo, Brasil
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Yi M, Yin Y, Sun J, Wang Z, Tang Q, Yang C. Hormone and implant osseointegration: Elaboration of the relationship among function, preclinical, and clinical practice. Front Mol Biosci 2022; 9:965753. [PMID: 36188222 PMCID: PMC9522461 DOI: 10.3389/fmolb.2022.965753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Accepted: 08/16/2022] [Indexed: 11/13/2022] Open
Abstract
As clusters of peptides or steroids capable of high-efficiency information transmission, hormones have been substantiated to coordinate metabolism, growth, development, and other physiological processes, especially in bone physiology and repair metabolism. In recent years, the application of hormones for implant osseointegration has become a research hotspot. Herein, we provide a comprehensive overview of the relevant reports on endogenous hormones and their corresponding supplementary preparations to explore the association between hormones and the prognosis of implants. We also discuss the effects and mechanisms of insulin, parathyroid hormone, melatonin, vitamin D, and growth hormone on osseointegration at the molecular and body levels to provide a foothold and guide future research on the systemic conditions that affect the implantation process and expand the relative contraindications of the implant, and the pre-and post-operative precautions. This review shows that systemic hormones can regulate the osseointegration of oral implants through endogenous or exogenous drug-delivery methods.
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Affiliation(s)
- Ming Yi
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China
| | - Ying Yin
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China
| | - Jiwei Sun
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China
| | - Zeying Wang
- Department of Oral and Craniomaxillofacial Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Jiao Tong University School of Medicine, Shanghai Ninth People's Hospital, Shanghai, China
| | - Qingming Tang
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China
| | - Cheng Yang
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China
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Mohammadi A, Dehkordi NR, Mahmoudi S, Rafeie N, Sabri H, Valizadeh M, Poorsoleiman T, Jafari A, Mokhtari A, Khanjarani A, Salimi Y, Mokhtari M, Deravi N. Effects of Drugs and Chemotherapeutic Agents on Dental Implant Osseointegration: Narrative Review. Curr Rev Clin Exp Pharmacol 2022; 19:CRCEP-EPUB-124232. [PMID: 35674294 DOI: 10.2174/2772432817666220607114559] [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: 09/14/2022] [Revised: 01/27/2022] [Accepted: 03/03/2022] [Indexed: 11/22/2022]
Abstract
BACKGROUND Dental implants have been one of the most popular treatments for rehabilitating individuals with single missing teeth or fully edentulous jaws since their introduction. As more implant patients are well-aged and take several medications due to various systemic conditions, clinicians should be mindful of possible drug implications on bone remodeling and osseointegration. OBJECTIVE The present study aims to study and review some desirable and some unwelcomed implications of medicine on osseointegration. METHODS A broad search for proper relevant studies were conducted in four databases, including Web of Science, Pubmed, Scopus, and Google Scholar. RESULTS Some commonly prescribed medicines such as nonsteroidal anti-inflammatory drugs (NSAIDs), glucocorticoids, proton pump inhibitors (PPIs), selective serotonin reuptake inhibitors (SSRIs), anticoagulants, metformin, and chemotherapeutic agents may jeopardize osseointegration. On the contrary, some therapeutic agents such as anabolic, anti-catabolic, or dual anabolic and anti-catabolic agents may enhance osseointegration and increase the treatment's success rate. CONCLUSION Systemic medications that enhance osseointegration include mineralization promoters and bone resorption inhibitors. On the other hand, medications often given to the elderly with systemic problems might interfere with osseointegration, leading to implant failure. However, to validate the provided research, more human studies with a higher level of evidence are required.
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Affiliation(s)
- Aida Mohammadi
- Dental Materials Research Center, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Nazanin Roqani Dehkordi
- Department of Periodontology, Faculty of Dentistry, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Sadaf Mahmoudi
- Department of Endodontics, School of Dentistry, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran
| | - Niyousha Rafeie
- Dental Research Center, Dentistry Research Institute, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
| | - Hamoun Sabri
- Research Center, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Maryam Valizadeh
- Student Research Committee, Faculty of Dentistry, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Taniya Poorsoleiman
- Student Research Committee, Qazvin University of Medical Sciences, Qazvin, Iran
| | - Aryan Jafari
- Dental Materials Research Center, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Alireza Mokhtari
- Student Research Committee, Dental Faculty, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Arshia Khanjarani
- Student Research Committee, Dental Faculty, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Yasaman Salimi
- Student Research Committee, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Melika Mokhtari
- Student Research Committee, Dental Faculty, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Niloofar Deravi
- Student Research Committee, School of Medicine, Shahid Beheshti University of Medical sciences, Tehran, Iran
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15
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Response to Treatment with Melatonin and Clonazepam versus Placebo in Patients with Burning Mouth Syndrome. J Clin Med 2022; 11:jcm11092516. [PMID: 35566642 PMCID: PMC9101769 DOI: 10.3390/jcm11092516] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 04/19/2022] [Accepted: 04/27/2022] [Indexed: 12/23/2022] Open
Abstract
Objective: to evaluate the efficacy of melatonin and clonazepam versus placebo in patients with burning mouth syndrome (BMS). Methods: a prospective double-blind study was carried out in patients with BMS and randomized to three groups: melatonin (1 mg once a day), clonazepam (0.5 mg/twice a day), or a placebo once a day, for 8 weeks. The clinical changes were evaluated, including xerostomia, the Oral Health Impact Profile 14 (OHIP-14) score, Pittsburg Sleep Quality Index, and the Hospital Anxiety and Depression Scale (HADS). Oxygen saturation and heart rate were recorded, with an analysis of salivary biomarkers in the forms of oxytocin, ferritin, adenosine deaminase (ADA), total proteins, and alpha-amylase. Results: a total of 64 patients were analyzed. A significant decrease in burning sensation was recorded with melatonin (7.8 ± 1.54 pre-treatment, 5.78 ± 2.54 post-treatment; p < 0.001) and clonazepam (8.75 ± 1.2 pre-treatment, 5.5 ± 3.6 post-treatment (p < 0.01). With regard to quality of life (OHIP-14), significant improvements were observed before and after the administration of melatonin (p < 0.001) and clonazepam (p = 0.001). On the other hand, with regard to the changes in salivary biomarkers following treatment, negative correlations were found between oxytocin and drainage (r = −0.410; p = 0.009) and between the HADS-D score and ferritin (r = −0.312; p = 0.05). While salivary amylase showed positive correlation with heart rate (r = 0.346; p = 0.029) and oxygen saturation (r = 0.419; p = 0.007). Conclusions: melatonin and clonazepam were shown to be effective at reducing the burning sensation and improving quality of life. Both drugs were found to be safe, with no major adverse effects in patients with BMS. Melatonin may be regarded as an alternative treatment for patients with BMS, though further studies are needed to confirm its effectiveness.
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Ren Q, Pan J, Chen Y, Shen Z, Yang Z, Kwon K, Guo Y, Wang Y, Ji F. Melatonin-Medicated Neural JNK3 Up-Regulation Promotes Ameloblastic Mineralization. Front Cell Dev Biol 2022; 9:749642. [PMID: 35004671 PMCID: PMC8740296 DOI: 10.3389/fcell.2021.749642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Accepted: 11/05/2021] [Indexed: 11/13/2022] Open
Abstract
Introduction: Melatonin, an endogenous neurohormone, modulates the biological circadian rhythms of vertebrates. It functions have been reported in previous stomatological studies as anti-inflammation, antioxidant, osseointegration of dental implants and stimulation to dental pulp stem cells differentiation, but its role in ameloblastic differentiation and mineralization has been rarely studied. Objective: To reveal the effects of melatonin on the mineralization of ameloblast lineage cells (ALCs), and to identify the change in gene expression and the potential mechanism based on ribonucleic acid sequencing (RNA-seq) analysis. Method: ALCs were induced in melatonin-conditioned medium. After 7-days culture, Western blot, real-time PCR, alkaline phosphatase (ALP) activity test, RNA-seq were accordingly used to detect the change in molecular level. After 1-month odontogenic induction in melatonin medium, Alizarin Red-S (ARS) staining showed the changes of mineral nodules. Differentially expressed genes (DEGs), enrichment of functions and signaling pathways analysis based on Kyoto Encyclopedia of Genes and Genomes (KEGG) and Gene Ontology (GO) database were performed. The JNK3 antagonist (JNK3 inhibitor IX, SR3576) and β-arrestin1 (Arrb1) overexpression were applied to confirm the fluctuation of melatonin-medicated JNK3 and Arrb1 expression. Results: In this study, we found out melatonin contributed to the ameloblastic mineralization, from which we can observed the elevated expression of enamel matrix protein, and increased ALP activity and mineralized nodules formation. RNA-seq analysis showed the up-regulation of neural JNK3 and down-regulation of Arrb1 in ALCs. Meanwhile, phosphorylated JNK3 deficiency (phosphorylated JNK3 inhibitor---SR3576 added to culture medium) led to mineralization delay, and Arrb1 overexpression proved Arrb1 takes bridge between melatonin receptors (MTNR) and JNK3 in MAPK signaling pathway.
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Affiliation(s)
- Qianhui Ren
- Shanghai Key Laboratory of Stomatology, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Department of Orthodontics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, Shanghai, China
| | - Jing Pan
- Shanghai Key Laboratory of Stomatology, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Department of Orthodontics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, Shanghai, China
| | - Yunshuo Chen
- State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Rui Jin Hospital, Shanghai Institute of Hematology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhecheng Shen
- Shanghai Key Laboratory of Stomatology, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Department of Orthodontics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, Shanghai, China
| | - Zhao Yang
- Shanghai Key Laboratory of Stomatology, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Department of Orthodontics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, Shanghai, China
| | - Kubin Kwon
- Shanghai Key Laboratory of Stomatology, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Department of Orthodontics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, Shanghai, China
| | - Ying Guo
- Shanghai Key Laboratory of Stomatology, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Department of Orthodontics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, Shanghai, China
| | - Yueying Wang
- State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Rui Jin Hospital, Shanghai Institute of Hematology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Fang Ji
- Shanghai Key Laboratory of Stomatology, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Department of Orthodontics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, Shanghai, China
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17
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de Oliveira PHC, Lemos CAA, Cantiga-Silva C, Faria FD, Cintra LTA, Pellizzer EP. Melatonin as an adjunctive treatment on dental procedures: A systematic review. Oral Dis 2021; 28:1770-1782. [PMID: 34152659 DOI: 10.1111/odi.13941] [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: 01/10/2021] [Revised: 05/17/2021] [Accepted: 06/06/2021] [Indexed: 11/29/2022]
Abstract
The systematic review tried to answer the following question: Does the melatonin administered systemically or topically ameliorate patients involved with oral health conditions or dental procedures? The systematic review has been registered in the PROSPERO (2021CRD42021095959). Eligibility criteria included only randomized controlled clinical trials (RCTs) with at least 10 participants that compared patients that received melatonin as a treatment before and/or after their oral intervention topically or systemically, with control patients. A search was performed in PubMed/MEDLINE, Web of Science, Cochrane Library, and Academic Google databases for articles up to February 2021. The Cochrane risk-of-bias tool for randomized clinical trials was used and revealed that the studies included presented low risk of bias for the majority of criteria assessed. It was selected 25 articles, of which only six did not demonstrate positive effects and three presented null effects with the use of melatonin. Melatonin has improved the inflammatory response in periodontal disease, dental surgeries, and mucositis of head and neck oncologic irradiated patients. In addition, it showed anxiolytic potential in patients that were submitted to dental procedures. In conclusion, melatonin favored the treatment of oral changes when used topically and systemically.
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Affiliation(s)
| | - Cleidiel Aparecido Araujo Lemos
- Department of Dentistry (Division of Prosthodontics), Campus Governador Valadares, Federal University of Juiz de Fora, Juiz de Fora, Brazil
| | - Cristiane Cantiga-Silva
- Department of Preventive and Restorative Dentistry, School of Dentistry, São Paulo State University (Unesp, Araçatuba, Brazil
| | - Flávio Duarte Faria
- Department of Preventive and Restorative Dentistry, School of Dentistry, São Paulo State University (Unesp, Araçatuba, Brazil
| | - Luciano Tavares Angelo Cintra
- Department of Preventive and Restorative Dentistry, School of Dentistry, São Paulo State University (Unesp, Araçatuba, Brazil
| | - Eduardo Piza Pellizzer
- Department of Dental Materials and Prosthodontics, School of Dentistry, São Paulo State University (Unesp, Araçatuba, Brazil
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Sehirli AÖ, Chukwunyere U, Aksoy U, Sayiner S, Abacioglu N. The circadian clock gene Bmal1: Role in COVID-19 and periodontitis. Chronobiol Int 2021; 38:779-784. [PMID: 33792447 DOI: 10.1080/07420528.2021.1895198] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 02/16/2021] [Accepted: 02/19/2021] [Indexed: 01/07/2023]
Abstract
The physiological processes of most living organisms follow a rhythmic pattern, which is controlled by the interaction between environmental cues and the internal circadian timing system. Different regulatory circadian genes are expressed in most cells and tissues, and disruptions in the sleep-wake cycle affect these genes, which may result in metabolic disorders and cause alterations of the immune system. The manifestations of these disrupted genes are evident in inflammatory conditions such as periodontitis and some viral diseases, including COVID-19. The brain and muscle ARNT-like protein-1 (Bmal1), an important circadian regulatory gene, decreases when the sleep-wake cycle is disrupted. Circadian genes have been linked to different events, including cytokine storm in inflammatory conditions and virus invasion. The evaluation of the effects of these regulatory circadian genes, especially Bmal1, in periodontitis and viral infection suggests that both diseases may have a common pathogenesis via the NF-κB pathway. This brief review highlights the role and importance of the circadian clock gene Bmal1 in the disease process of periodontitis and suggests its role and importance in viral infections, including COVID-19.
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Affiliation(s)
- Ahmet Özer Sehirli
- Department of Pharmacology, Faculty of Dentistry, Near East University, Nicosia, Cyprus
| | - Ugochukwu Chukwunyere
- Department of Pharmacology, Faculty of Pharmacy, Near East University, Nicosia, Cyprus
| | - Umut Aksoy
- Department of Endodontics, Faculty of Dentistry, Near East University, Nicosia, Cyprus
| | - Serkan Sayiner
- Department of Biochemistry, Faculty of Veterinary Medicine, Near East University, Nicosia, Cyprus
| | - Nurettin Abacioglu
- Department of Pharmacology, Faculty of Pharmacy, Near East University, Nicosia, Cyprus
- Department of Pharmacology, Faculty of Pharmacy, Kyrenia University, Kyrenia, Cyprus
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The effect of adjunctive use of melatonin as a supplement on serum ferritin level in periodontal patients: A randomized, controlled trial. Dent Res J (Isfahan) 2021; 18:39. [PMID: 34322215 PMCID: PMC8314985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2019] [Revised: 03/13/2020] [Accepted: 05/03/2020] [Indexed: 11/05/2022] Open
Abstract
BACKGROUND Ferritin is an acute-phase protein that is increased in inflammatory diseases. Melatonin has been studied due to its antioxidant effects and the elimination of free radicals. The aim of this study was to evaluate the effect of melatonin supplement as an adjunct to routine periodontal treatment on serum ferritin levels in patients with periodontitis. MATERIALS AND METHODS Forty patients with chronic periodontitis were included in this randomized controlled clinical trial study. Twenty patients received nonsurgical periodontal treatment and twenty patients received nonsurgical periodontal treatment with adjunctive use of melatonin. Serum ferritin concentrations and periodontal parameters were recorded at baseline and 3 months after periodontal therapy. Serum ferritin level and periodontal parameters comparison at baseline and 3 months after periodontal treatment was done by Wilcoxon signed-rank test and paired sample t-test, respectively. Differences between test and control groups were evaluated by Mann-Whitney U-test for ferritin level and independent t-test for periodontal parameters, and a P ≤ 0.05 was considered statistically significant. RESULTS Serum ferritin level decreased in both the control and test group in 3 months follow-up compared to baseline (P < 0.001). The reduction in ferritin levels in the test group was more than the control group, but this difference was not statistically significant (P = 0.414). Improvement in periodontal parameters were not significant between two groups (P = 0.489), but improvement rates in the test group were more than control. CONCLUSION Melatonin, as an adjunct to periodontal therapy, showed additional benefits in the reduction of serum ferritin levels and improvement of periodontal parameters.
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20
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Lu X, Yu S, Chen G, Zheng W, Peng J, Huang X, Chen L. Insight into the roles of melatonin in bone tissue and bone‑related diseases (Review). Int J Mol Med 2021; 47:82. [PMID: 33760138 PMCID: PMC7979260 DOI: 10.3892/ijmm.2021.4915] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Accepted: 02/17/2021] [Indexed: 12/18/2022] Open
Abstract
Bone‑related diseases comprise a large group of common diseases, including fractures, osteoporosis and osteoarthritis (OA), which affect a large number of individuals, particularly the elderly. The progressive destruction and loss of alveolar bone caused by periodontitis is a specific type of bone loss, which has a high incidence and markedly reduces the quality of life of patients. With the existing methods of prevention and treatment, the incidence and mortality of bone‑related diseases are still gradually increasing, creating a significant financial burden to societies worldwide. To prevent the occurrence of bone‑related diseases, delay their progression or reverse the injuries they cause, new alternative or complementary treatments need to be developed. Melatonin exerts numerous physiological effects, including inducing anti‑inflammatory and antioxidative functions, resetting circadian rhythms and promoting wound healing and tissue regeneration. Melatonin also participates in the health management of bone and cartilage. In the present review, the potential roles of melatonin in the pathogenesis and progression of bone injury, osteoporosis, OA and periodontitis are summarized. Furthermore, the high efficiency and diversity of the physiological regulatory effects of melatonin are highlighted and the potential benefits of the use of melatonin for the clinical prevention and treatment of bone‑related diseases are discussed.
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Affiliation(s)
- Xiaofeng Lu
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Shaoling Yu
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Guangjin Chen
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Wenhao Zheng
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Jinfeng Peng
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Xiaofei Huang
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Lili Chen
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
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21
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Effect of Locally Delivered Melatonin as an Adjunct to Nonsurgical Therapy on GCF Antioxidant Capacity and MMP-9 in Stage II Periodontitis Patients: A Randomized Controlled Clinical Trial. Int J Dent 2021; 2021:8840167. [PMID: 33628250 PMCID: PMC7884121 DOI: 10.1155/2021/8840167] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 10/15/2020] [Accepted: 10/25/2020] [Indexed: 11/25/2022] Open
Abstract
Objectives Periodontitis is characterized by inflammatory destruction of periodontal tissue, loss of attachment, and bone resorption. The increase in reactive oxygen species (ROS) is responsible for the oxidative damage occurring in periodontal tissues. Melatonin has important immunomodulatory, anti-inflammatory, and powerful antioxidant functions. The current study was carried out to evaluate the effect of topical melatonin gel as an adjunct to nonsurgical periodontal therapy. Methods This split-mouth randomized controlled clinical trial was performed on 24 patients with grade II periodontitis. Two sites in each patient were randomly assigned; test sites were treated by nonsurgical therapy followed by intrapocket application of 5% melatonin gel. Control sites were treated by nonsurgical therapy followed by intrapocket application of placebo gel. Both the melatonin and placebo gel were applied weekly once for four weeks. Assessment of clinical parameters (PD and CAL) was done at baseline and 3 months after therapy. Total antioxidative capacity (TAC) and matrix metalloproteinase-9 (MMP-9) levels in GCF were also evaluated utilizing commercially available enzyme-linked immunosorbent assay kits (ELISA) at baseline and 3 months after therapy. Results Treatment with topical melatonin was associated with a reduction in periodontal inflammation reflected as an improvement in the clinical periodontal parameters. Melatonin-treated sites showed a more statistically significant percent reduction in PD and more statistically significant percent gain in CAL than the control site. Additionally, a significant increase in TAC and a significant decrease in MMP-9 levels in GCF were found in melatonin-treated sites in comparison to control sites. Conclusions The adjunctive use of topical melatonin gel with nonsurgical periodontal therapy has potent anti-inflammatory and antioxidant activity in the treatment of grade II periodontitis patients.
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Kang J, Chen H, Zhang F, Yan T, Fan W, Jiang L, He H, Huang F. RORα Regulates Odontoblastic Differentiation and Mediates the Pro-Odontogenic Effect of Melatonin on Dental Papilla Cells. Molecules 2021; 26:1098. [PMID: 33669807 PMCID: PMC7922395 DOI: 10.3390/molecules26041098] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 02/15/2021] [Accepted: 02/16/2021] [Indexed: 12/28/2022] Open
Abstract
Dental papilla cells (DPCs), precursors of odontoblasts, are considered promising seed cells for tissue engineering. Emerging evidence suggests that melatonin promotes odontoblastic differentiation of DPCs and affects tooth development, although the precise mechanisms remain unknown. Retinoid acid receptor-related orphan receptor α (RORα) is a nuclear receptor for melatonin that plays a critical role in cell differentiation and embryonic development. This study aimed to explore the role of RORα in odontoblastic differentiation and determine whether melatonin exerts its pro-odontogenic effect via RORα. Herein, we observed that RORα was expressed in DPCs and was significantly increased during odontoblastic differentiation in vitro and in vivo. The overexpression of RORα upregulated the expression of odontogenic markers, alkaline phosphatase (ALP) activity and mineralized nodules formation (p < 0.05). In contrast, odontoblastic differentiation of DPCs was suppressed by RORα knockdown. Moreover, we found that melatonin elevated the expression of odontogenic markers, which was accompanied by the upregulation of RORα (p < 0.001). Utilising small interfering RNA, we further demonstrated that RORα inhibition attenuated melatonin-induced odontogenic gene expression, ALP activity and matrix mineralisation (p < 0.01). Collectively, these results provide the first evidence that RORα can promote odontoblastic differentiation of DPCs and mediate the pro-odontogenic effect of melatonin.
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Affiliation(s)
- Jun Kang
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou 510055, China; (J.K.); (H.C.); (F.Z.); (T.Y.); (W.F.); (L.J.)
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510080, China
| | - Haoling Chen
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou 510055, China; (J.K.); (H.C.); (F.Z.); (T.Y.); (W.F.); (L.J.)
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510080, China
| | - Fuping Zhang
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou 510055, China; (J.K.); (H.C.); (F.Z.); (T.Y.); (W.F.); (L.J.)
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510080, China
| | - Tong Yan
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou 510055, China; (J.K.); (H.C.); (F.Z.); (T.Y.); (W.F.); (L.J.)
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510080, China
| | - Wenguo Fan
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou 510055, China; (J.K.); (H.C.); (F.Z.); (T.Y.); (W.F.); (L.J.)
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510080, China
| | - Liulin Jiang
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou 510055, China; (J.K.); (H.C.); (F.Z.); (T.Y.); (W.F.); (L.J.)
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510080, China
| | - Hongwen He
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510080, China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou 510080, China
| | - Fang Huang
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou 510055, China; (J.K.); (H.C.); (F.Z.); (T.Y.); (W.F.); (L.J.)
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510080, China
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Li J, Deng Q, Fan W, Zeng Q, He H, Huang F. Melatonin-induced suppression of DNA methylation promotes odontogenic differentiation in human dental pulp cells. Bioengineered 2020; 11:829-840. [PMID: 32718272 PMCID: PMC8291816 DOI: 10.1080/21655979.2020.1795425] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 07/09/2020] [Accepted: 07/09/2020] [Indexed: 02/07/2023] Open
Abstract
Differentiation potency of human dental pulp cells (hDPCs) is essential for dentin regeneration. DNA methylation is one of the major epigenetic mechanisms and is suggested to involve in differentiation of hDPCs, the machinery of which includes DNA methyltransferase enzymes (DNMTs) and methyl-CpG-binding domain proteins (MBDs). Our previous study has found that melatonin (MT) promoted hDPC differentiation, but its mechanism remains elusive. We aimed to investigate the role of DNA methylation in the promotion of MT to differentiation of hDPCs in vitro. hDPCs were cultured in basal growth medium (CO) or odontogenic medium (OM) exposed to MT at different concentrations (0, 10-12, 10-10, 10-8, 10-6, 10-4 M). The cell growth was analyzed using Cell Counting Kit-8 assay, and mineralized tissue formation was measured using Alizarin red staining. The expression of the 10 genes (DNMT1, DNMT3A, DNMT3B, MBD1-6, MeCP2) was determined using real-time qPCR and western blotting. The abundance of MeCP2 in the nuclei was evaluated using immunofluorescence analysis. Global methylation level was tested using ELISA. We found that mineralized tissue formation significantly increased in OM with MT at 10-4 M, while the levels of MeCP2 and global DNA methylation level declined. The expression of MBD1, MBD3, and MBD4 significantly increased in OM alone, and the expession of DNMT1 and MBD2 was decreased. These results indicate that MT promotes odontogenic differentiation of hDPCs in vitro by regulating the levels of DNMT1, MeCP2, and global DNA methylation, suggesting that MT-induced DNA methylation machinery may play an important role in tooth regeneration.
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Affiliation(s)
- Jingzhou Li
- Department of Pediatric Dentistry, Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
| | - Qianyi Deng
- Paediatric Dentistry and Orthodontics, Faculty of Dentistry, The University of Hong Kong, Hong Kong, China
| | - Wenguo Fan
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
- Department of Oral Anatomy and Physiology, Hospital of Stomatology,Guanghua School of Stomatology,Sun Yat-sen University, Guangzhou, China
| | - Qi Zeng
- Department of Pediatric Dentistry, Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
| | - Hongwen He
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
- Department of Oral Anatomy and Physiology, Hospital of Stomatology,Guanghua School of Stomatology,Sun Yat-sen University, Guangzhou, China
| | - Fang Huang
- Department of Pediatric Dentistry, Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
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Sumsuzzman DM, Choi J, Khan ZA, Hong Y. Protective Effects of Melatonin against Severe Burn-Induced Distant Organ Injury: A Systematic Review and Meta-Analysis of Experimental Studies. Antioxidants (Basel) 2020; 9:antiox9121196. [PMID: 33261180 PMCID: PMC7760393 DOI: 10.3390/antiox9121196] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 11/22/2020] [Accepted: 11/24/2020] [Indexed: 12/21/2022] Open
Abstract
Extensive burns result in a local wound response and distant-organ injury (DOI) caused by oxidative-stress and inflammation. Melatonin (MT) shows promise in alleviating oxidative-stress and inflammation, but its role in thermal injury is largely unexplored. The present systematic review and meta-analysis were designed to assess the effects of MT on oxidative-stress and inflammatory markers against severe burn-induced DOI. Mean difference (MD)/standard mean difference (SMD) with 95% confidence interval (CI) were estimated using fixed-effect/random-effects models. Eighteen experimental studies met the inclusion criteria. Compared with the control group, MT significantly decreased the levels of malondialdehyde (SMD, −1.03; 95% CI, −1.30, −0.76, p < 0.00001) and 4-hydroxynonenal (MD, −1.06; 95% CI, −1.57, −0.56, p < 0.0001). Additionally, MT increased the levels of glutathione (SMD, 1.94; 95% CI, 1.27, 2.61, p < 0.00001) and superoxide-dismutase (SMD, 0.76; 95% CI, 0.08, 1.45, p = 0.03). Finally, MT significantly decreased the levels of tumor necrosis factor-α (SMD, −1.34; 95% CI, −1.92 to −0.77; p < 0.00001) and C-reactive protein (MD, −12.67; 95% CI, −16.72 to −8.62; p < 0.00001). Meta-analysis indicates that severe burn followed by immediate MT (10 mg/kg) intervention shows significant beneficial effects after 24-h against DOI by regulating oxidative-stress and the inflammatory response.
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Affiliation(s)
- Dewan Md. Sumsuzzman
- Department of Rehabilitation Science, Graduate School of Inje University, Gimhae 50834, Korea; (D.M.S.); (J.C.)
- Biohealth Products Research Center (BPRC), Inje University, Gimhae 50834, Korea;
- Ubiquitous Healthcare & Anti-Aging Research Center (u-HARC), Inje University, Gimhae 50834, Korea
- Department of Physical Therapy, College of Healthcare Medical Science & Engineering, Gimhae 50834, Korea
| | - Jeonghyun Choi
- Department of Rehabilitation Science, Graduate School of Inje University, Gimhae 50834, Korea; (D.M.S.); (J.C.)
- Biohealth Products Research Center (BPRC), Inje University, Gimhae 50834, Korea;
- Ubiquitous Healthcare & Anti-Aging Research Center (u-HARC), Inje University, Gimhae 50834, Korea
- Department of Physical Therapy, College of Healthcare Medical Science & Engineering, Gimhae 50834, Korea
| | - Zeeshan Ahmad Khan
- Biohealth Products Research Center (BPRC), Inje University, Gimhae 50834, Korea;
- Ubiquitous Healthcare & Anti-Aging Research Center (u-HARC), Inje University, Gimhae 50834, Korea
- Department of Physical Therapy, College of Healthcare Medical Science & Engineering, Gimhae 50834, Korea
| | - Yonggeun Hong
- Department of Rehabilitation Science, Graduate School of Inje University, Gimhae 50834, Korea; (D.M.S.); (J.C.)
- Biohealth Products Research Center (BPRC), Inje University, Gimhae 50834, Korea;
- Ubiquitous Healthcare & Anti-Aging Research Center (u-HARC), Inje University, Gimhae 50834, Korea
- Department of Physical Therapy, College of Healthcare Medical Science & Engineering, Gimhae 50834, Korea
- Department of Medicine, Division of Hematology/Oncology, Harvard Medical School-Beth Israel Deaconess Medical Center, Boston, MA 02215, USA
- Correspondence: ; Tel.: +82-55-320-3681; Fax: +82-55-329-1678
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Experimental Study on the Influence of Apigenin K and Melatonin in Socket Preservation as Bone Stimulators: An Experimental Study in Beagle Dogs. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10093006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The aim is to evaluate whether apigenin K and melatonin M5250 were able to stimulate bone formation after tooth extraction at one, two, and three months follow-up. Six male beagle dogs were used. Apigenin K and melatonin M5250 immersed in hemostatic collagen sponges were placed in the third and fourth premolar and the first molar extracted sockets; the second premolar was used as control. At one, two, and three months, bone core biopsies were performed, and picrosirius–hematoxylin was used for the staining process. In the first month, a higher amount of calcified bone tissue was observed in the melatonin (77.87% ± 1.2%) and apigenin K (69.81% ± 1.8%) groups than the control group (57.27% ± 0.54%), with apparent discrepancies in values between the three groups (p < 0.04). In the second month, there was a considerable improvement in the results in the areas with melatonin (79.81% ± 0.11%) than in those of apigenin K (71.65% ± 0.52%) and control (64.77% ± 0.44%) (p < 0.04). In the third month, the number of mature bone was similar to all the groups. The creation of new bone was significant in the melatonin group (82.78% ± 0.87%), followed by the apigenin K group (78.76% ± 0.43%) and the control group (57.27% ± 0.11%). From this experimental study in dogs, it can be concluded that melatonin and apigenin K can accelerate the process of mineralization of the bone matrix, and thus the creation of laminae in the early stages of healing (1 month). Less reabsorption of the post-extraction sockets can be expected with the topical application of melatonin and apigenin K. It seems that the stimulatory effects of bone healing induced by the topical application of melatonin and apigenin K are defect-size-dependent, being more evident in small defects compared to larger defects.
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26
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Melatonin as an Agent for Direct Pulp-Capping Treatment. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17031043. [PMID: 32041360 PMCID: PMC7037898 DOI: 10.3390/ijerph17031043] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Revised: 01/31/2020] [Accepted: 02/04/2020] [Indexed: 12/15/2022]
Abstract
Melatonin plays an essential role in the regulation of bone growth. The actions that melatonin exerts on odontoblasts may be similar to its action on osteoblasts. This research aimed to evaluate the pulp response to melatonin used for direct pulp capping to evaluate the antioxidant effect of melatonin administered orally and its influence on dental pulp. Direct pulp capping was performed on the upper molars of Sprague Dawley rats using melatonin or Mineral Trioxide Aggregate (MTA). The study groups were: MTA; Melatonin; MTA + Melatonin administered orally; and Melatonin + Melatonin administered orally. In the latter two groups, the animals drank water dosed with melatonin ad libitum (10 mg/100 mL). After 30 days, the animals were sacrificed, and 5 ml of blood, the kidneys, and the liver were extracted in order to evaluate oxidative stress using thiobarbituric acid reactive substances testing (TBARS). Fragments of the maxilla containing the study molars were prepared for histological evaluation. The degree of pulp inflammation and pulp necrosis, the presence of reparative dentin and dentin bridging the pulp chamber, the presence and regularity of the odontoblastic layer, and the presence of pulp fibrosis were evaluated. No significant differences were found between the four study groups for any of the studied histological variables. The oral administration of melatonin did not modify the local effects of MTA or melatonin on dental pulp, or reduce basal-level oxidative stress. The effect of melatonin on pulp is similar to that of MTA and may be used as an agent for direct pulp capping.
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Ge J, Zhou Q, Niu J, Wang Y, Yan Q, Wu C, Qian J, Yang H, Zou J. Melatonin Protects Intervertebral Disc from Degeneration by Improving Cell Survival and Function via Activation of the ERK1/2 Signaling Pathway. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:5120275. [PMID: 31885798 PMCID: PMC6914917 DOI: 10.1155/2019/5120275] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Revised: 10/18/2019] [Accepted: 11/11/2019] [Indexed: 12/12/2022]
Abstract
Melatonin, a neuroendocrine hormone secreted by the pineal body, has a positive effect on intervertebral disc degeneration. The present study is aimed at investigating the biological role of melatonin in intervertebral disc degeneration and its underlying mechanism. A human nucleus pulposus cell (NPC) line was exposed to melatonin at different concentrations. Cell proliferation was measured by CCK-8 assay. Cell cycle and apoptosis were analyzed by flow cytometry. Western blot was performed to measure the protein expression of indicated genes. A rabbit model of intervertebral disc degeneration was established to detect the role and mechanism of melatonin on intervertebral disc degeneration. Our study showed that melatonin promoted NPC viability and inhibited cell arrest. Furthermore, melatonin treatment led to the upregulation of collagen II and aggrecan and downregulation of collagen X. Moreover, melatonin significantly elevated the activity of the ERK signaling pathway. Inhibition of the ERK1/2 signals reversed the role of melatonin in the regulation of NPCs both in vitro and in vivo. Melatonin increased NPC viability through inhibition of cell cycle arrest and apoptosis. Moreover, melatonin promoted the secretion of functional factors influencing the nucleus pulposus cell physiology and retarded cell degeneration. Our results suggest that melatonin activated the ERK1/2 signaling pathway, thereby affecting the biological properties of the intervertebral disc degeneration.
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Affiliation(s)
- Jun Ge
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, China
| | - Quan Zhou
- Department of Orthopedics Surgery, The Affiliated Huai'an Hospital of Xuzhou Medical University, Huai'an, Jiangsu 223002, China
| | - Junjie Niu
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, China
| | - Yingjie Wang
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, China
| | - Qi Yan
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, China
| | - Cenhao Wu
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, China
| | - Jiale Qian
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, China
| | - Huilin Yang
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, China
| | - Jun Zou
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, China
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28
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Merino JJ, Cabaña-Muñoz ME, Toledano Gasca A, Garcimartín A, Benedí J, Camacho-Alonso F, Parmigiani-Izquierdo JM. Elevated Systemic L-Kynurenine/L-Tryptophan Ratio and Increased IL-1 Beta and Chemokine (CX3CL1, MCP-1) Proinflammatory Mediators in Patients with Long-Term Titanium Dental Implants. J Clin Med 2019; 8:jcm8091368. [PMID: 31480733 PMCID: PMC6780981 DOI: 10.3390/jcm8091368] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Revised: 08/27/2019] [Accepted: 08/28/2019] [Indexed: 01/04/2023] Open
Abstract
Titanium is the mean biocompatible metal found in dental titanium alloys (Ti-6Al-4V). The safety of certain dental biomaterial amalgams has been questioned in patients. The levels of several systemic cytokines (interleukin (IL)-1 beta, IL-4: pg/mL) and chemokines (monocyte chemoattractant protein-1 (MCP-1), soluble fractalkine (CX3CL1: pg/mL) were determined using ELISA and compared between these study groups. The study included 30 controls without dental materials (cont), 57 patients with long-term titanium dental implants plus amalgams (A + I group) as well as 55 patients with long-term dental amalgam alone (A group). All patients (except controls) have had dental titanium implants (Ti-6Al-4V) and/or amalgams for at least 10 years (average: 15 years). We evaluated whether systemic levels of cytokines/chemokines, kyn/L-trp ratio and aromatic amino acid levels (HPLC: mM/L, Phe, L-Trp, His, Treo) could be altered in patients with long-term dental titanium and/or amalgams. These systemic markers were evaluated in 142 patients. The A + I group had higher L-Kynurenine/L-Tryptophan ratios than patients with long-term dental amalgam fillings alone (A). In addition, levels of IL-1 Beta cytokine, CX3CL1 and MCP-1 chemokines were higher in the A + I group than in the A group (A). The increased L-kyn/L-trp ratio and MCP-1 and fractalkine receptor (CX3CR1) elevations could suggest enhanced chemotactic responses by these chemokines in the A + I group.
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Affiliation(s)
- José Joaquín Merino
- Departamento de Farmacología, Farmacognosia y Botánica, Facultad de Farmacia, Universidad Complutense de Madrid (U.C.M), c/Plaza Ramón y Cajal s/n, 28040 Madrid, Spain.
- Centro CIROM, Centro de Implantología y Rehabilitación Oral Multidisciplinaria, 30001 Murcia, Spain.
| | | | | | - Alba Garcimartín
- Departamento de Farmacología, Farmacognosia y Botánica, Facultad de Farmacia, Universidad Complutense de Madrid (U.C.M), c/Plaza Ramón y Cajal s/n, 28040 Madrid, Spain
| | - Juana Benedí
- Departamento de Farmacología, Farmacognosia y Botánica, Facultad de Farmacia, Universidad Complutense de Madrid (U.C.M), c/Plaza Ramón y Cajal s/n, 28040 Madrid, Spain
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Tinto M, Sartori M, Pizzi I, Verga A, Longoni S. Melatonin as host modulating agent supporting nonsurgical periodontal therapy in patients affected by untreated severe periodontitis: A preliminary randomized, triple‐blind, placebo‐controlled study. J Periodontal Res 2019; 55:61-67. [DOI: 10.1111/jre.12686] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Revised: 06/11/2019] [Accepted: 07/06/2019] [Indexed: 02/06/2023]
Affiliation(s)
- Manuel Tinto
- Unit of Periodontology Santa Apollonia Dental Center Lazzate MB Italy
| | - Matteo Sartori
- Unit of Periodontology Santa Apollonia Dental Center Lazzate MB Italy
| | - Ileana Pizzi
- Unit of Periodontology Santa Apollonia Dental Center Lazzate MB Italy
| | - Alessandra Verga
- Unit of Periodontology Santa Apollonia Dental Center Lazzate MB Italy
| | - Salvatore Longoni
- Unit of Periodontology Santa Apollonia Dental Center Lazzate MB Italy
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30
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Mirza-Aghazadeh-Attari M, Mohammadzadeh A, Mostavafi S, Mihanfar A, Ghazizadeh S, Sadighparvar S, Gholamzadeh S, Majidinia M, Yousefi B. Melatonin: An important anticancer agent in colorectal cancer. J Cell Physiol 2019; 235:804-817. [PMID: 31276205 DOI: 10.1002/jcp.29049] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Accepted: 06/12/2019] [Indexed: 12/11/2022]
Abstract
Colorectal cancer is one of the most common cancers among the elderly, which is also seen in the forms of hereditary syndromes occurring in younger individuals. Numerous studies have been conducted to understand the molecular and cellular pathobiology underlying colorectal cancer. These studies have found that cellular signaling pathways are at the core of colorectal cancer pathology. Because of this, new agents have been proposed as possible candidates to accompany routine therapy regimens. One of these agents is melatonin, a neuro-hormone known best for its essential role in upholding the circadian rhythm and orchestrating the many physiologic changes it accompanies. Melatonin is shown to be able to modulate many signaling pathways involved in many essential cell functions, which if deregulated cause an accelerated pace towards cancer. More so, melatonin is involved in the regulation of immune function, tumor microenvironment, and acts as an antioxidant agent. Many studies have focused on the beneficial effects of melatonin in colorectal cancers, such as induction of apoptosis, increased sensitivity to chemotherapy agents and radiotherapy, limiting cellular proliferation, migration, and invasion. The present review aims to illustrate the known significance of melatonin in colorectal cancer and to address possible clinical use.
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Affiliation(s)
- Mohammad Mirza-Aghazadeh-Attari
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran.,Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amir Mohammadzadeh
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran.,Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Soroush Mostavafi
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran.,Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Aynaz Mihanfar
- Department of Biochemistry, Faculty of Medicine, Urmia University of Medical Sciences, Urmia, Iran
| | - Saber Ghazizadeh
- Danesh Pey Hadi Co., Health Technology Development Center, Urmia University of Medical Sciences, Urmia, Iran
| | - Shirin Sadighparvar
- Neurophysiology Research Center, Urmia University of Medical Sciences, Urmia, Iran
| | | | - Maryam Majidinia
- Solid Tumor Research Center, Urmia University of Medical Sciences, Urmia, Iran
| | - Bahman Yousefi
- Molecular Medicine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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31
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Amin N, Shafabakhsh R, Reiter RJ, Asemi Z. Melatonin is an appropriate candidate for breast cancer treatment: Based on known molecular mechanisms. J Cell Biochem 2019; 120:12208-12215. [PMID: 31041825 DOI: 10.1002/jcb.28832] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Accepted: 03/19/2019] [Indexed: 12/12/2022]
Abstract
Breast cancer is the most prevalent cancer and one of the most important causes of death in women throughout the world. Breast cancer risk factors include smoking, alcohol consumption, personal and family history, hypertension, and hormone therapy, long-term use of nonsteroidal anti-inflammatory drugs and tobacco usage. Surgery, chemotherapy, radiotherapy, immunotherapy, and neoadjuvant therapy are the current means for breast cancer treatment. Despite hormonal agents and chemotherapy, which have beneficial effects on lowering breast cancer death rate, the reaction of different people to these treatments is still a challenging point. Melatonin (N-acetyl-5-methoxy tryptamine) is a methoxy indole compound that is mainly secreted by the pineal gland at night; it is as an antioxidant, anti-inflammatory, and oncostatic agent. On the basis of recent studies, melatonin has antitumor properties on different cancer types and it may suppress cancer development in vitro and as well as in animal models. It is suggested that melatonin inhibits the development of breast cancer by various mechanisms. This paper summarizes the roles of melatonin in breast cancer treatment from the aspect of its molecular actions.
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Affiliation(s)
- Negin Amin
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, Iran
| | - Rana Shafabakhsh
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, Iran
| | - Russel J Reiter
- Department of Cellular and Structural Biology, University of Texas Health Science Center, San Antonio, Texas
| | - Zatollah Asemi
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, Iran
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32
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Isola M, Lilliu MA, Loy F, Isola R. Diabetic Status Influences the Storage of Melatonin in Human Salivary Glands. Anat Rec (Hoboken) 2017; 301:711-716. [PMID: 29236363 DOI: 10.1002/ar.23750] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2017] [Revised: 10/18/2017] [Accepted: 11/07/2017] [Indexed: 01/29/2023]
Abstract
Recently we reported on the detailed localization of melatonin (and its receptors) in human salivary glands, revealing that serous cells are able to store and secrete melatonin into saliva. Since we found that type 2 diabetic patients display reduced melatonin content in saliva, our next step was to examine the presence of melatonin in salivary glands removed from type 2 diabetic subjects. The resulting data were compared with those previously obtained by identical procedures in non-diabetics, to establish if the diabetic status may affect melatonin distribution. Bioptic samples of diabetic parotid and submandibular glands were fixed, dehydrated, embedded in Epon Resin and processed to demonstrate melatonin reactivity by the immunogold staining method. The labeling density (expressed as the number of gold particles per μm2 /granule) and the percentage of melatonin-positive granules were assessed in diabetic samples. These values were compared with those in non-diabetic samples and differences were evaluated. In parotid and submandibular diabetic glands the reactivity for melatonin was specifically associated with secretory granules and small vesicles in serous cells. Melatonin reactivity was higher in parotid than in submandibular glands. Our data were in line with those obtained in our previous study on non-diabetic glands. Diabetic salivary glands showed a higher labeling density and a lower number of melatonin-positive granules compared to non-diabetic glands. Taken together, these data might explain the decreased salivary melatonin content and the associated oral problems observed in diabetics. Anat Rec, 301:711-716, 2018. © 2017 Wiley Periodicals, Inc.
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Affiliation(s)
- Michela Isola
- Department of Biomedical Sciences, University of Cagliari, Italy
| | | | - Francesco Loy
- Department of Biomedical Sciences, University of Cagliari, Italy
| | - Raffaella Isola
- Department of Biomedical Sciences, University of Cagliari, Italy
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Ying J, Jiang Z, Ding L, Hou W, Li X, Qi F, Yang S, Wang Z. The effects of Tat protein on locomotor activity and circadian gene expressions in the mouse hypothalamus. BIOL RHYTHM RES 2017. [DOI: 10.1080/09291016.2017.1333193] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Junjie Ying
- Health Ministry Key Laboratory of Chronobiology, College of Basic Medicine and Forensic Medicine, Sichuan University, Chengdu, PR China
| | - Zhou Jiang
- Health Ministry Key Laboratory of Chronobiology, College of Basic Medicine and Forensic Medicine, Sichuan University, Chengdu, PR China
| | - Lu Ding
- Health Ministry Key Laboratory of Chronobiology, College of Basic Medicine and Forensic Medicine, Sichuan University, Chengdu, PR China
| | - Wang Hou
- Health Ministry Key Laboratory of Chronobiology, College of Basic Medicine and Forensic Medicine, Sichuan University, Chengdu, PR China
| | - Xiaoxue Li
- Health Ministry Key Laboratory of Chronobiology, College of Basic Medicine and Forensic Medicine, Sichuan University, Chengdu, PR China
| | - Fang Qi
- Health Ministry Key Laboratory of Chronobiology, College of Basic Medicine and Forensic Medicine, Sichuan University, Chengdu, PR China
| | - Shuhong Yang
- Health Ministry Key Laboratory of Chronobiology, College of Basic Medicine and Forensic Medicine, Sichuan University, Chengdu, PR China
| | - Zhengrong Wang
- Health Ministry Key Laboratory of Chronobiology, College of Basic Medicine and Forensic Medicine, Sichuan University, Chengdu, PR China
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