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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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Mohammadgholi-Beiki A, Sheibani M, Jafari-Sabet M, Motevalian M, Rahimi-Moghaddam P. Anti-inflammatory and protective effects of Aripiprazole on TNBS-Induced colitis and associated depression in rats: Role of kynurenine pathway. Int Immunopharmacol 2024; 133:112158. [PMID: 38691917 DOI: 10.1016/j.intimp.2024.112158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 04/08/2024] [Accepted: 04/23/2024] [Indexed: 05/03/2024]
Abstract
BACKGROUND The prevalence of depression is higher in patients with inflammatory bowel disease (IBD) than in the general population. Inflammatory cytokines and the kynurenine pathway (KP) play important roles in IBD and associated depression. Aripiprazole (ARP), an atypical antipsychotic, shows various anti-inflammatory properties and may be useful in treating major depressive disorder. This study aimed to evaluate the protective effects of ARP on TNBS-induced colitis and subsequent depression in rats, highlighting the role of the KP. MATERIAL AND METHODS Fifty-six male Wistar rats were used, and all groups except for the normal and sham groups received a single dose of intra-rectal TNBS. Three different doses of ARP and dexamethasone were injected intraperitoneally for two weeks in treatment groups. On the 15th day, behavioral tests were performed to evaluate depressive-like behaviors. Colon ulcer index and histological changes were assessed. The tissue levels of inflammatory cytokines, KP markers, lipopolysaccharide (LPS), nuclear factor-kappa-B (NF-κB), and zonula occludens (ZO-1) were evaluated in the colon and hippocampus. RESULTS TNBS effectively induced intestinal damages and subsequent depressive-like symptoms in rats. TNBS treatment significantly elevated the intestinal content of inflammatory cytokines and NF-κB expression, dysregulated the KP markers balance in both colon and hippocampus tissues, and increased the serum levels of LPS. However, treatment with ARP for 14 days successfully reversed these alterations, particularly at higher doses. CONCLUSION ARP could alleviate IBD-induced colon damage and associated depressive-like behaviors mainly via suppressing inflammatory cytokines activity, serum LPS concentration, and affecting the NF-κB/kynurenine pathway.
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Affiliation(s)
| | - Mohammad Sheibani
- Department of Pharmacology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran; Razi Drug Research Center, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
| | - Majid Jafari-Sabet
- Department of Pharmacology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran; Razi Drug Research Center, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Manijeh Motevalian
- Department of Pharmacology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran; Razi Drug Research Center, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
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Hussein SN, Kotry GS, Eissa AS, Heikal LA, Gaweesh YY. Efficacy of a Novel Melatonin-Loaded Gelatin Sponge in Palatal Wound Healing. Int Dent J 2024:S0020-6539(24)00116-3. [PMID: 38688801 DOI: 10.1016/j.identj.2024.04.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Revised: 03/22/2024] [Accepted: 04/05/2024] [Indexed: 05/02/2024] Open
Abstract
OBJECTIVES The aim of this research was to assess both clinically and histologically the effect of a topically applied melatonin-loaded gelatin sponge on palatal wound healing after graft harvesting. METHODS Twenty-six patients for whom free palatal graft procurement was indicated were divided equally into 2 groups. In the test group, the donor site was covered by a melatonin-loaded gelatin sponge, and in the control group the site was covered by a placebo-loaded gelatin sponge. Wound healing was evaluated on the day of surgery and at 7 and 14 days postsurgery using photo-digital planimetry. Histologic specimens were taken to verify healing type and rate. Pain was assessed via Visual Analogue Scale (VAS) for 7 days from the day of the surgery. RESULTS At the 7-day interval, photo-digital planimetry showed a significant decrease in the traced raw area (P = .04) in the test group compared with the control group and a significant increase in the mean area of immature epithelia (P = .04). At the 14-day interval, there was no statistically significant difference in any area of interest. Histologically, the application of melatonin was associated with accelerated healing and superior maturation at all follow-up time points. No significant differences were noted in VAS scores between the 2 groups. CONCLUSIONS Melatonin-treated tissue showed marked clinical improvement in the first week postsurgery, indicating an increased rate of healing. Similarly, histologic analysis revealed significant maturation at both time intervals. A melatonin-loaded gelatin sponge is a novel palatal wound dressing that can be used to improve wound healing outcomes and reduce patient morbidity.
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Affiliation(s)
- Salma Nabil Hussein
- Oral Medicine, Periodontology, Oral Diagnosis, and Oral Radiology Department, Faculty of Dentistry, Alexandria University, Alexandria, Egypt.
| | - Gehan Sherif Kotry
- Oral Medicine, Periodontology, Oral Diagnosis, and Oral Radiology Department, Faculty of Dentistry, Alexandria University, Alexandria, Egypt
| | - Amira Salama Eissa
- Oral Biology Department, Faculty of Dentistry, Alexandria University, Alexandria, Egypt
| | - Lamia Ahmed Heikal
- Pharmaceutics Department, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt
| | - Yasmine Youssri Gaweesh
- Oral Medicine, Periodontology, Oral Diagnosis, and Oral Radiology Department, Faculty of Dentistry, Alexandria University, Alexandria, Egypt
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Bossi P, Tellone V, Di Loreto G, Fioravanti S, Salvatori E, Comandini A. Phase IV study on the use of benzydamine mouthwash in radiation-induced oral mucositis in patients with head and neck cancer. Front Oncol 2024; 14:1345129. [PMID: 38469245 PMCID: PMC10926954 DOI: 10.3389/fonc.2024.1345129] [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: 11/27/2023] [Accepted: 02/07/2024] [Indexed: 03/13/2024] Open
Abstract
Introduction Oral mucositis (OM) is a main side effect of treatment for head and neck cancer (HNC) and causes severe pain, reduces quality of life, and may interrupt HNC treatment. This study assessed the activity and feasibility of benzydamine mouthwash in the prevention and treatment of radiation-induced OM in patients with HNC during radiation therapy (RT). Methods This phase IV, international, open-label, single-group study conducted from December 2021 to September 2022. In total, 89 patients were enrolled across seven centers in Hungary and Poland. Patients used benzydamine mouthwash at home two to three times daily. Data were collected during clinical visits at baseline (V0, start of RT) and then weekly for seven visits (V1-V7). The safety population and the modified intention-to-treat (m-ITT) analysis sets contained 89 patients; the per protocol (PP) analysis set contained 67 patients. Results The m-ITT set was 80.9% male; mean age was 61.4 years. At baseline, 73.0% of patients had stage T3-T4, 23.6% had stage T1-T2, 61.8% had stage N2-N3, and 34.9% had stage N0-N1. Within the m-ITT population, 33.7% (n=30) responded to treatment (NRS < 5) during the study. The PP set responded similarly (29.9%). Most patients were treatment compliant (n=77; 86.5%). OM severity was assessed using the WHO OM grading scale. No patients had severe mucositis at baseline or V1. At V7, 34.1% had mild mucositis, 45.1% had moderate mucositis, 15.9% had severe mucositis, and 1.2% had life-threatening mucositis. In total, 26 patients (29.2%) developed severe mucositis during the study period (V2-V7). From V1 to V4, one patient reported hospitalization due to mucositis or associated complications, two patients at V5, three patients at V6, and four patients at 7. Discussion This was the first study to assess feasibility of a treatment for radiation-induced OM with benzydamine mouthwash in patients with HNC. Treatment compliance suggested that benzydamine was well tolerated in patients with moderate to severe mucositis. Benzydamine's anesthetic and anti-inflammatory properties might have reduced pain, which potentially influenced patients' compliance with RT. Few patients in the study required hospitalization for OM or an associated complication, suggesting that benzydamine might improve healthcare resource utilization.
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Affiliation(s)
- Paolo Bossi
- Department of Biomedical Sciences, Humanitas University, Milan, Italy
- Medical Oncology and Hematology Unit, Humanitas Cancer Center, IRCCS Humanitas Research Hospital, Milan, Italy
| | - Valeria Tellone
- Global Medical Department, Angelini Pharma S.p.A., Rome, Italy
| | - Giorgio Di Loreto
- Pharmacometrics & Clinical Supply, Angelini Pharma S.p.A., Rome, Italy
| | - Sara Fioravanti
- Pharmacometrics & Clinical Supply, Angelini Pharma S.p.A., Rome, Italy
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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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Zhao ZM, Mei S, Zheng QY, Wang J, Yin YR, Zhang JJ, Wang XZ. Melatonin or vitamin C attenuates lead acetate-induced testicular oxidative and inflammatory damage in mice by inhibiting oxidative stress mediated NF-κB signaling. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 264:115481. [PMID: 37716076 DOI: 10.1016/j.ecoenv.2023.115481] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 07/17/2023] [Accepted: 09/12/2023] [Indexed: 09/18/2023]
Abstract
Lead (Pb) acts as an environmental endocrine disruptor and has negative effects in animals; excessive accumulation of lead causes reproductive dysfunction in male animals. Oxidative stress plays a vital role in Pb-induced injury. However, the mechanisms underlying chronic testicular toxicity of Pb remain unclear. In this study, we aimed to determine the effects of lead acetate on reproductive function in male mice, identify the underlying mechanisms, and test counter measures to alleviate the toxic effects. Male mice were dosed with lead acetate (500 mg/L) in free drinking water for 12 weeks, and administered melatonin (5 mg/kg) or vitamin C (500 mg/kg) by intraperitoneal injection. Blood from the eyeball, testicles, and sperm from the caudal epididymis were collected after 12 weeks and analyzed. Pb exposure reduced sperm count and motility, increased sperm malformation (P < 0.01), disrupted testicular morphology and structure, and decreased the expression of steroid hormone synthesis-related enzymes and serum testosterone concentration (P < 0.01). Pb also increased the number of inflammatory cells and the levels of the pro-inflammatory cytokines TNF-α and IL-6 (P < 0.01), and activated NF-κB signaling. Furthermore, the ROS yield and oxidation indicators LPO and MDA were significantly increased (P < 0.01), and the antioxidant indicators T-AOC, SOD, and GSH were significantly reduced (P < 0.01). Treatment with melatonin or vitamin C reversed the effects of lead acetate; vitamin C was more effective in restoring SOD activity (P < 0.01) and enhancing ZO-1 protein levels (P < 0.01). Thus, long-term exposure to lead acetate at low concentrations could adversely affect sperm quality and induce inflammatory damage by oxidative stress mediated NF-κB signaling. Vitamin C could act as a protective agent and improve reproductive dysfunction in male animals after lead accumulation.
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Affiliation(s)
- Ze-Min Zhao
- Chongqing Key Laboratory of Forage & Herbivore, College of Veterinary Medicine, Southwest, University, Beibei, Chongqing 400715, PR China
| | - Su Mei
- Chongqing Key Laboratory of Forage & Herbivore, College of Veterinary Medicine, Southwest, University, Beibei, Chongqing 400715, PR China
| | - Qi-Yue Zheng
- Chongqing Key Laboratory of Forage & Herbivore, College of Veterinary Medicine, Southwest, University, Beibei, Chongqing 400715, PR China
| | - Jiao Wang
- Chongqing Key Laboratory of Forage & Herbivore, College of Veterinary Medicine, Southwest, University, Beibei, Chongqing 400715, PR China
| | - Yi-Ru Yin
- Chongqing Key Laboratory of Forage & Herbivore, College of Veterinary Medicine, Southwest, University, Beibei, Chongqing 400715, PR China
| | - Jiao-Jiao Zhang
- Chongqing Key Laboratory of Forage & Herbivore, College of Veterinary Medicine, Southwest, University, Beibei, Chongqing 400715, PR China
| | - Xian-Zhong Wang
- Chongqing Key Laboratory of Forage & Herbivore, College of Veterinary Medicine, Southwest, University, Beibei, Chongqing 400715, PR China.
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Golshani S, Vatanara A, Balalaie S, Kadkhoda Z, Abdollahi M, Amin M. Development of a Novel Histatin-5 Mucoadhesive Gel for the Treatment of Oral Mucositis: In Vitro Characterization and In Vivo Evaluation. AAPS PharmSciTech 2023; 24:177. [PMID: 37639072 DOI: 10.1208/s12249-023-02632-6] [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: 05/12/2023] [Accepted: 08/03/2023] [Indexed: 08/29/2023] Open
Abstract
Antimicrobial peptides have appeared to be promising candidates for therapeutic purposes due to their broad antimicrobial activity and non-toxicity. Histatin-5 (Hst-5) is a notable salivary antimicrobial peptide that exhibited therapeutic properties in the oral cavity. Oral mucositis is an acute inflammation of the oral cavity, following cancer therapy. The current treatment methods of oral mucositis have low effectiveness. The aim of this study was to design, formulate and characterize a mucoadhesive gel delivery system for Hst-5 usage in the treatment of oral mucositis. Carbopol 934 and hydroxypropyl methylcellulose (HPMC) have been used in the development of a Hst-5 mucoadhesive gel that was optimized by using Box-Behnken design. The optimized formulation was evaluated in-vitro, based on mucoadhesive strength, viscoelasticity, spreadability, release rate, peptide secondary structure analysis, antimicrobial activity, and storage stability. The efficacy of Hst-5 gel was assessed in vivo in a chemotherapy-induced mucositis model. The results showed a sustained release of Hst-5 from the new formulation. Hst-5 gel exerted antimicrobial activity against Staphylococcus aureus, Pseudomonas aeruginosa, Escherichia coli, and Candida albicans. The histopathological, immunohistochemical and statistical analysis showed that the Hst-5 gel had wound healing activity in vivo. The findings of this study indicate that the mentioned compound possesses promising potential as a novel and efficient therapeutic agent in managing oral mucositis. Moreover, the results suggest that the compound is commercially feasible for further development and utilization.
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Affiliation(s)
- Shiva Golshani
- Department of Drug and Food Control, Faculty of Pharmacy, Tehran University of Medical Sciences, 16th Azar Street, Tehran, Iran
| | - Alireza Vatanara
- Department of Pharmaceutics, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Saeed Balalaie
- Peptide Chemistry Research Center, K. N. Toosi University of Technology, P. O. Box 15875-4416, Tehran, Iran
| | - Zeinab Kadkhoda
- Department of Periodontics, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Abdollahi
- Department of Toxicology and Pharmacology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohsen Amin
- Department of Drug and Food Control, Faculty of Pharmacy, Tehran University of Medical Sciences, 16th Azar Street, Tehran, Iran.
- Pharmaceutical Quality Assurance Research Center, the Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences, Tehran, Iran.
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Efficacy of polyacrylate silver salt/polyvinylpyrrolidone-based liquid oral gel in management of concurrence chemoradiotherapy-induced oral mucositis. J Formos Med Assoc 2023:S0929-6646(22)00446-6. [PMID: 36623972 DOI: 10.1016/j.jfma.2022.12.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 11/14/2022] [Accepted: 12/08/2022] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND/PURPOSE Acute oral mucositis (OM) is a painful complication of concurrent chemoradiotherapy (CCRT). This severe adverse symptom may impact on patient's quality of life, lead to malnutrition. Thus, finding more effective methods in OM management is very important. The purpose of this study is to evaluate the efficacy of polyacrylate silver salt/Polyvinylpyrrolidone-based liquid oral gel (named as polyacrylate silver salt oral gel) in improving the symptomatic relief of CCRT-induced oral mucositis and oral dysfunction in neck and head cancer patients. METHODS In this study, 24 oral cancer patients underwent CCRT and having OM grade 2 or higher were randomly assigned into the test group and the control group. Both groups followed Multinational Association of Supportive Care in Cancer and International Society of Oral Oncology (MASCC/ISOO) clinical practice guidelines for the management of mucositis, but adding rinsing with 15 g oral gel right after oral hygiene treaded the test group. Clinical OM and oral function were assessed weekly for 4 consecutive weeks till 5-10 days after the completion of radiotherapy. For evaluation, Common Terminology Criteria for Adverse Events (CTCAE) v3.0 was used for collecting the data of OM grade. RESULTS The results showed that polyacrylate silver salt oral gel had better effect for relieving the oral mucositis. There were statistically significant differences in OM grades (1.59 vs. 2.8, p < 0.0001) between the test group and the control group. CONCLUSION Our clinical studies demonstrated that polyacrylate silver salt oral gel is an effective interventional option in terms of rapid mucositis healing.
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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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Harada K, Ferdous T, Fujiwara R, Watanabe K, Mizukami Y, Mishima K. An elemental diet protects mouse salivary glands from 5‑fluorouracil‑induced atrophy. Oncol Lett 2022; 23:178. [PMID: 35464303 PMCID: PMC9025579 DOI: 10.3892/ol.2022.13298] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Accepted: 02/14/2022] [Indexed: 11/18/2022] Open
Abstract
An elemental diet (ED) reduces adverse effects of chemotherapy, including oral mucositis, in patients with cancer. However, the detailed mechanism(s) of the healing effects of an ED remains unclear. In the present study, the protective effects of the ED, Elental®, were examined against 5-fluorouracil (5-FU)-induced oral mucositis and salivary gland atrophy in mice. Mucositis was induced in female ICR mice by injection of 5-FU. The mice were orally administered Elental® (ED group) or saline (control group). After treatment, the mice body weight, salivary gland weight and the histological changes in the salivary gland granular duct area were monitored. The mice body weight remained stable in the ED group, but was significantly decreased in the control group. Moreover, the salivary gland weight was higher in the ED group compared with the control group. In addition, the salivary gland granular duct area cells were larger in the ED group compared with the control group. Whole transcriptome analysis and network analysis were conducted to understand the mechanisms of action of Elental® against oral mucositis. Whole transcriptome analysis and Ingenuity Pathways Analysis data suggested that Elental® contributed to the recovery of mitochondrial function in 5-FU-damaged salivary glands. Immunohistochemical analysis of salivary gland tissue demonstrated that the expression of cytochrome c oxidase subunit 4 and epidermal growth factor were higher in the ED group compared with the control group. Next, the rate of apoptosis in the salivary glands was examined using terminal deoxynucleotidyl transferase-mediated nick end labeling (TUNEL) assays. The number of TUNEL-positive cells in the salivary glands was lower in the ED group compared with the control group. These findings suggested that Elental® may protect mouse salivary glands from 5-FU-induced atrophic changes, which suggests that ED treatment may improve xerostomia and alleviate oral mucositis in patients with cancer receiving 5-FU-based chemotherapy.
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Affiliation(s)
- Koji Harada
- Department of Oral and Maxillofacial Surgery, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi 755‑8505, Japan
| | - Tarannum Ferdous
- Department of Oral and Maxillofacial Surgery, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi 755‑8505, Japan
| | - Rieko Fujiwara
- Department of Oral and Maxillofacial Surgery, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi 755‑8505, Japan
| | - Kenji Watanabe
- Center for Gene Research, Yamaguchi University, Ube, Yamaguchi 755‑8505, Japan
| | - Yoichi Mizukami
- Center for Gene Research, Yamaguchi University, Ube, Yamaguchi 755‑8505, Japan
| | - Katsuaki Mishima
- Department of Oral and Maxillofacial Surgery, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi 755‑8505, Japan
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Leelaviwat N, Mekraksakit P, Cross KM, Landis DM, McLain M, Sehgal L, Payne JD. Melatonin: Translation of Ongoing Studies Into Possible Therapeutic Applications Outside Sleep Disorders. Clin Ther 2022; 44:783-812. [DOI: 10.1016/j.clinthera.2022.03.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 03/09/2022] [Accepted: 03/14/2022] [Indexed: 12/14/2022]
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Silva LAD, Pinheiro SL. Clinical Evaluation of Intravascular Blood Irradiation with Laser, Photobiomodulation, and Photodynamic Therapy in Cancer Patients with Mucositis. Photobiomodul Photomed Laser Surg 2021; 39:687-695. [DOI: 10.1089/photob.2021.0031] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Lucas Augusto da Silva
- Center for Life Sciences, Postgraduate Program in Health Sciences, Pontifícia Universidade Católica de Campinas (PUC Campinas), Campinas, Brazil
| | - Sérgio Luiz Pinheiro
- Center for Life Sciences, Postgraduate Program in Health Sciences, Pontifícia Universidade Católica de Campinas (PUC Campinas), Campinas, Brazil
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Zhang J, Tang Y, Yuan T, Yang M, Fang W, Li L, Fei F, Gong A. Nattokinase crude extract enhances oral mucositis healing. BMC Oral Health 2021; 21:555. [PMID: 34717590 PMCID: PMC8556967 DOI: 10.1186/s12903-021-01914-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Accepted: 10/10/2021] [Indexed: 11/10/2022] Open
Abstract
Background Nattokinase (NK) is a promising alternative in the prevention and treatment of cardiovascular diseases due to its potent fibrinolytic activity. In this study, we investigated the effect of crude nattokinase extract on the healing of acetic acid-induced oral mucositis in mice. Methods Bacillus subtilis culture media (BSCM) was isolated into the supernatant, named nattokinase crude extract (NCE), and the pellet was named Bacillus subtilis mass (BSM). An oral mucositis model was established in mice by applying 50% glacial acetic acid to the buccal mucosa. According to the treatment conditions, the mice were divided into BSCM, NCE, BSM and phosphate buffered saline (PBS) groups. The weight of the mice, oral mucositis healing score and histopathological examination were used to evaluate the treatment. Results Fibrinolytic activities of BSCM, NCE and BSM were approximately 8069, 10,800 and 80 U/ml, respectively. The weight gain of mice in the NCE group was significantly different from the PBS group after three days’ treatment (p < 0.05). The oral mucositis score of NCE group was significantly higher than other groups (p < 0.05). The differences in histopathology scores between the NCE and other groups were statistically significant (p < 0.01). Conclusions NCE could possess remarkable potential to reduce pain and promote oral mucositis healing with minimal safety concerns. In this study, we first report that NCE from the supernatant of Bacillus subtilis can promote the healing of oral mucositis, which extends the application scope of NK.
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Affiliation(s)
- Junyao Zhang
- Department of Cell Biology, School of Medicine, Jiangsu University, 301 Xuefu Road, Zhenjiang, 212003, China
| | - Yu Tang
- Department of Cell Biology, School of Medicine, Jiangsu University, 301 Xuefu Road, Zhenjiang, 212003, China
| | - Tao Yuan
- Department of Cell Biology, School of Medicine, Jiangsu University, 301 Xuefu Road, Zhenjiang, 212003, China
| | - Mengting Yang
- Department of Cell Biology, School of Medicine, Jiangsu University, 301 Xuefu Road, Zhenjiang, 212003, China
| | - Wenjing Fang
- Department of Cell Biology, School of Medicine, Jiangsu University, 301 Xuefu Road, Zhenjiang, 212003, China
| | - Li Li
- Department of Cell Biology, School of Medicine, Jiangsu University, 301 Xuefu Road, Zhenjiang, 212003, China
| | - Fei Fei
- Department of Cell Biology, School of Medicine, Jiangsu University, 301 Xuefu Road, Zhenjiang, 212003, China
| | - Aihua Gong
- Department of Cell Biology, School of Medicine, Jiangsu University, 301 Xuefu Road, Zhenjiang, 212003, China.
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Melatonin Targets Metabolism in Head and Neck Cancer Cells by Regulating Mitochondrial Structure and Function. Antioxidants (Basel) 2021; 10:antiox10040603. [PMID: 33919790 PMCID: PMC8070770 DOI: 10.3390/antiox10040603] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 04/05/2021] [Accepted: 04/09/2021] [Indexed: 02/06/2023] Open
Abstract
Metabolic reprogramming, which is characteristic of cancer cells that rapidly adapt to the hypoxic microenvironment and is crucial for tumor growth and metastasis, is recognized as one of the major mechanisms underlying therapeutic resistance. Mitochondria, which are directly involved in metabolic reprogramming, are used to design novel mitochondria-targeted anticancer agents. Despite being targeted by melatonin, the functional role of mitochondria in melatonin’s oncostatic activity remains unclear. In this study, we aim to investigate the role of melatonin in mitochondrial metabolism and its functional consequences in head and neck cancer. We analyzed the effects of melatonin on head and neck squamous cell carcinoma (HNSCC) cell lines (Cal-27 and SCC-9), which were treated with 100, 500, and 1500 µM of melatonin for 1, 3, and 5 days, and found a connection between a change of metabolism following melatonin treatment and its effects on mitochondria. Our results demonstrate that melatonin induces a shift to an aerobic mitochondrial metabolism that is associated with changes in mitochondrial morphology, function, fusion, and fission in HNSCC. We found that melatonin increases oxidative phosphorylation (OXPHOS) and inhibits glycolysis in HNSCC, resulting in increased ROS production, apoptosis, and mitophagy, and decreased cell proliferation. Our findings highlight new molecular pathways involved in melatonin’s oncostatic activity, suggesting that it could act as an adjuvant agent in a potential therapy for cancer patients. We also found that high doses of melatonin, such as those used in this study for its cytotoxic impact on HNSCC cells, might lead to additional effects through melatonin receptors.
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Cai L, Chen Q, Yao Z, Sun Q, Wu L, Ni Y. Glucocorticoid receptors involved in melatonin inhibiting cell apoptosis and NLRP3 inflammasome activation caused by bacterial toxin pyocyanin in colon. Free Radic Biol Med 2021; 162:478-489. [PMID: 33189867 DOI: 10.1016/j.freeradbiomed.2020.11.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 10/30/2020] [Accepted: 11/04/2020] [Indexed: 02/07/2023]
Abstract
The immunoinhibitory effect of glucocorticoid and immunoenhancing attributes of melatonin (MEL) are well known, however, the involvement of glucocorticoid receptor (GR) in melatonin modulation of bacterial toxins caused-inflammation has not been studied in colon. Pyocyanin (PCN), a toxin released by Pseudomonas aeruginosa, can destroy cells through generating superoxide products and inflammatory response. Here we report that PCN treatment elevated the generation of reactive oxygen species (ROS), which further lead to mitochondrial swelling and caspase cascades activation both in vivo and in vitro. However, MEL treatment alleviated the oxidative stress caused by PCN on cells through scavenging ROS and restoring the expression of antioxidant enzyme so that to effectively alleviate the apoptosis. Large amounts of ROS can activate the NLRP3 signaling pathway, so MEL inhibited PCN induced NLRP3 inflammasome activation and inflammatory cytokines (IL-1β, IL-8, and TNF-α) secretion. In order to further investigate the molecular mechanism, goblet cells were exposed to MEL and PCN in the presence of luzindole and RU486, inhibitors of MEL receptors and GR respectively. It was found that PCN significantly inhibited the expression level of GR, and MEL effectively alleviated the inhibition phenomenon. Moreover, we found that MEL mainly upregulated the expression of GR to achieve its anti-inflammatory and anti-apoptotic functions rather than through its own receptor (MT2) in colon goblet cells. Therefore, MEL can reverse the inhibitory effects of PCN on GR/p-GR expression to present its anti-oxidative and anti-apoptotic function.
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Affiliation(s)
- Liuping Cai
- Key Laboratory of Animal Physiology & Biochemistry, Nanjing Agricultural University, Nanjing, 210095, PR China.
| | - Qu Chen
- Key Laboratory of Animal Physiology & Biochemistry, Nanjing Agricultural University, Nanjing, 210095, PR China.
| | - Zhihao Yao
- Key Laboratory of Animal Physiology & Biochemistry, Nanjing Agricultural University, Nanjing, 210095, PR China.
| | - Qinwei Sun
- Key Laboratory of Animal Physiology & Biochemistry, Nanjing Agricultural University, Nanjing, 210095, PR China.
| | - Lei Wu
- Key Laboratory of Animal Physiology & Biochemistry, Nanjing Agricultural University, Nanjing, 210095, PR China.
| | - Yingdong Ni
- Key Laboratory of Animal Physiology & Biochemistry, Nanjing Agricultural University, Nanjing, 210095, PR China.
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Harguindey S, Alfarouk K, Polo Orozco J, Fais S, Devesa J. Towards an Integral Therapeutic Protocol for Breast Cancer Based upon the New H +-Centered Anticancer Paradigm of the Late Post-Warburg Era. Int J Mol Sci 2020; 21:E7475. [PMID: 33050492 PMCID: PMC7589677 DOI: 10.3390/ijms21207475] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 10/05/2020] [Accepted: 10/06/2020] [Indexed: 12/13/2022] Open
Abstract
A brand new approach to the understanding of breast cancer (BC) is urgently needed. In this contribution, the etiology, pathogenesis, and treatment of this disease is approached from the new pH-centric anticancer paradigm. Only this unitarian perspective, based upon the hydrogen ion (H+) dynamics of cancer, allows for the understanding and integration of the many dualisms, confusions, and paradoxes of the disease. The new H+-related, wide-ranging model can embrace, from a unique perspective, the many aspects of the disease and, at the same time, therapeutically interfere with most, if not all, of the hallmarks of cancer known to date. The pH-related armamentarium available for the treatment of BC reviewed here may be beneficial for all types and stages of the disease. In this vein, we have attempted a megasynthesis of traditional and new knowledge in the different areas of breast cancer research and treatment based upon the wide-ranging approach afforded by the hydrogen ion dynamics of cancer. The concerted utilization of the pH-related drugs that are available nowadays for the treatment of breast cancer is advanced.
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Affiliation(s)
- Salvador Harguindey
- Department of Oncology, Institute of Clinical Biology and Metabolism, 01004 Vitoria, Spain;
| | - Khalid Alfarouk
- Department of Pharmacology, Al-Ghad International Colleges for Applied Medical Sciences, Al-Madinah Al-Munawarah 42316, Saudi Arabia and Alfarouk Biomedical Research LLC, Tampa, FL 33617, USA;
| | - Julián Polo Orozco
- Department of Oncology, Institute of Clinical Biology and Metabolism, 01004 Vitoria, Spain;
| | - Stefano Fais
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità (National Institute of Health), 00161 Rome, Italy;
| | - Jesús Devesa
- Scientific Direction, Foltra Medical Centre, 15886 Teo, Spain;
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Pourhanifeh MH, Mehrzadi S, Kamali M, Hosseinzadeh A. Melatonin and gastrointestinal cancers: Current evidence based on underlying signaling pathways. Eur J Pharmacol 2020; 886:173471. [PMID: 32877658 DOI: 10.1016/j.ejphar.2020.173471] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 08/06/2020] [Accepted: 08/07/2020] [Indexed: 02/06/2023]
Abstract
Gastrointestinal (GI) cancers, leading causes of cancer-related deaths, have been serious challenging human diseases up to now. Because of high rates of mortality, late-stage diagnosis, metastasis to distant locations, and low effectiveness and adverse events of routine standard therapies, the quality of life and survival time are low in patients with GI cancers. Hence, many efforts need to be done to explore and find novel efficient treatments. Beneficial effects of melatonin have been reported in a wide variety of human diseases. Melatonin has antioxidant, anti-inflammatory, antimicrobial, and anticancer effects. Various studies have showed the regulatory effects of melatonin on apoptotsis, autophagy and angiogenesis; these properties result in the inhibition of invasion, migration, and proliferation of GI cancer cells in vivo and in vitro. Together, this review suggests that melatonin in combination with anticancer agents may improve the efficacy of routine medicine and survival rate of patients with cancer.
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Affiliation(s)
- Mohammad Hossein Pourhanifeh
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, Iran
| | - Saeed Mehrzadi
- Razi Drug Research Center, Iran University of Medical Sciences, Tehran, Iran
| | | | - Azam Hosseinzadeh
- Razi Drug Research Center, Iran University of Medical Sciences, Tehran, Iran.
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Elsherbini AM, Ezzat SK. Effect of melatonin versus injectable platelet rich fibrin on critical wound healing in submandibular salivary glands of diabetic rats. J Oral Biol Craniofac Res 2020; 10:592-596. [PMID: 32953441 DOI: 10.1016/j.jobcr.2020.08.016] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2020] [Revised: 08/04/2020] [Accepted: 08/23/2020] [Indexed: 12/17/2022] Open
Abstract
Background Diabetes mellitus (DM) has harmful effects on body organs, including submandibular salivary glands (SMGs). It impairs wound healing process that follow sialoadenectomy. Yet there is no complete cure to diabetes, the available medications tend to control the side effects of DM or manage insulin resistance. Herein we tried to investigate the possible effects of injectable platelet rich fibrin (i-PRF) and melatonin on wound healing in diabetic rats. Material and methods Surgical defects were created in SMGs of 30 rats after confirmation of DM induction. Then rats were randomly and equally allocated into three groups. Group I served as control group; group II received topically applied i-PRF, and group III received topically administrated melatonin. After 28 days all rats were euthanized, and SMGs were processed for histological and biochemical analysis. Results Both i-PRF and melatonin caused significant reduction of malondialdehyde (P < 0.0001) and caspase-3 (P < 0.001) and significant increase in vascular endothelial growth factors (P = 0.001,0.009 respectively) that increased SMGs regenerative capacity when compared to diabetic group. Melatonin showed superior results regarding the histomorphological structure of SMGs. Conclusion Melatonin and i-PRF can be possible candidates for improvement of wound healing events in SMGs of diabetic rats.
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Affiliation(s)
- Amira M Elsherbini
- Oral Biology Department, Faculty of Dentistry, Mansoura University, Egypt
| | - Samah K Ezzat
- Oral Biology Department, Faculty of Dentistry, Mansoura University, Egypt
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Chan CWH, Law BMH, Wong MMH, Chan DNS, Ng MSN, So WKW, Wong CL, Chow KM. Oral mucositis among Chinese cancer patients receiving chemotherapy: Effects and management strategies. Asia Pac J Clin Oncol 2020; 17:e10-e17. [PMID: 32700818 DOI: 10.1111/ajco.13349] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Accepted: 04/01/2020] [Indexed: 12/22/2022]
Abstract
Oral mucositis is a painful and distressing complication of chemotherapy-induced toxicity in cancer patients that can develop early during the treatment regimen. Previous studies have demonstrated that both oxidative stress and inflammation play a role in the development of the ulceration that is a characteristic of oral mucositis. To date, a few studies have investigated the effect of this complication on the well-being of patients, demonstrating its negative impact on patients' functional ability and quality of life. This effect may entail chemotherapeutic drug dose reduction among patients, in turn reducing their cancer survival rates. Therefore, interventions to address the detrimental effects of oral mucositis on the well-being of cancer patients are required. This review provides an overview of the studies that have examined the negative effects of oral mucositis on Chinese cancer patients undergoing chemotherapy, as well as the interventions shown to be effective in treating this complication, with a focus on interventions utilizing traditional Chinese medicine. Overall, both traditional Chinese medicine-based interventions and interventions involving patient education about effective oral care led by trained nurses were found to be useful in reducing the incidence and severity of oral mucositis among Chinese patients undergoing chemotherapy. Future oral mucositis management plans aiming at effective oral care among cancer patients undergoing chemotherapy should incorporate these types of interventions as integral components to enhance the well-being of these patients.
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Affiliation(s)
- Carmen W H Chan
- Faculty of Medicine, The Nethersole School of Nursing, The Chinese University of Hong Kong, Hong Kong, China
| | - Bernard M H Law
- Faculty of Medicine, The Nethersole School of Nursing, The Chinese University of Hong Kong, Hong Kong, China
| | - Martin M H Wong
- Faculty of Medicine, The Nethersole School of Nursing, The Chinese University of Hong Kong, Hong Kong, China
| | - Dorothy N S Chan
- Faculty of Medicine, The Nethersole School of Nursing, The Chinese University of Hong Kong, Hong Kong, China
| | - Marques S N Ng
- Faculty of Medicine, The Nethersole School of Nursing, The Chinese University of Hong Kong, Hong Kong, China
| | - Winnie K W So
- Faculty of Medicine, The Nethersole School of Nursing, The Chinese University of Hong Kong, Hong Kong, China
| | - Cho Lee Wong
- Faculty of Medicine, The Nethersole School of Nursing, The Chinese University of Hong Kong, Hong Kong, China
| | - Ka Ming Chow
- Faculty of Medicine, The Nethersole School of Nursing, The Chinese University of Hong Kong, Hong Kong, China
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ROS-Mediated Therapeutic Strategy in Chemo-/Radiotherapy of Head and Neck Cancer. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:5047987. [PMID: 32774675 PMCID: PMC7396055 DOI: 10.1155/2020/5047987] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Accepted: 06/26/2020] [Indexed: 12/24/2022]
Abstract
Head and neck cancer is a highly genetic and metabolic heterogeneous collection of malignancies of the lip, oral cavity, salivary glands, pharynx, esophagus, paranasal sinuses, and larynx with five-year survival rates ranging from 12% to 93%. Patients with head and neck cancer typically present with advanced stage III, IVa, or IVb disease and are treated with comprehensive modality including chemotherapy, radiotherapy, and surgery. Despite advancements in treatment modality and technique, noisome recurrence, invasiveness, and resistance as well as posttreatment complications severely influence survival rate and quality of life. Thus, new therapeutic strategies are urgently needed that offer enhanced efficacy with less toxicity. ROS in cancer cells plays a vital role in regulating cell death, DNA repair, stemness maintenance, metabolic reprogramming, and tumor microenvironment, all of which have been implicated in resistance to chemo-/radiotherapy of head and neck cancer. Adjusting ROS generation and elimination to reverse the resistance of cancer cells without impairing normal cells show great hope in improving the therapeutic efficacy of chemo-/radiotherapy of head and neck cancer. In the current review, we discuss the pivotal and targetable redox-regulating system including superoxide dismutases (SODs), tripeptide glutathione (GSH), thioredoxin (Trxs), peroxiredoxins (PRXs), nuclear factor erythroid 2-related factor 2/Kelch-like ECH-associated protein 1 (Nrf2/keap1), and mitochondria electron transporter chain (ETC) complexes and their roles in regulating ROS levels and their clinical significance implicated in chemo-/radiotherapy of head and neck cancer. We also summarize several old drugs (referred to as the non-anti-cancer drugs used in other diseases for a long time) and small molecular compounds as well as natural herbs which effectively modulate cellular ROS of head and neck cancer to synergize the efficacy of conventional chemo-/radiotherapy. Emerging interdisciplinary techniques including photodynamic, nanoparticle system, and Bio-Electro-Magnetic-Energy-Regulation (BEMER) therapy are promising measures to broaden the potency of ROS modulation for the benefit of chemo-/radiotherapy in head and neck cancer.
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Samanta S. Melatonin: an endogenous miraculous indolamine, fights against cancer progression. J Cancer Res Clin Oncol 2020; 146:1893-1922. [PMID: 32583237 DOI: 10.1007/s00432-020-03292-w] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Accepted: 06/12/2020] [Indexed: 02/07/2023]
Abstract
PURPOSE Melatonin is an amphipathic indolamine molecule ubiquitously present in all organisms ranging from cyanobacteria to humans. The pineal gland is the site of melatonin synthesis and secretion under the influence of the retinohypothalamic tract. Some extrapineal tissues (skin, lens, gastrointestinal tract, testis, ovary, lymphocytes, and astrocytes) also enable to produce melatonin. Physiologically, melatonin regulates various functions like circadian rhythm, sleep-wake cycle, gonadal activity, redox homeostasis, neuroprotection, immune-modulation, and anticancer effects in the body. Inappropriate melatonin secretion advances the aging process, tumorigenesis, visceral adiposity, etc. METHODS: For the preparation of this review, I had reviewed the literature on the multidimensional activities of melatonin from the NCBI website database PubMed, Springer Nature, Science Direct (Elsevier), Wiley Online ResearchGate, and Google Scholar databases to search relevant articles. Specifically, I focused on the roles and mechanisms of action of melatonin in cancer prevention. RESULTS The actions of melatonin are primarily mediated by G-protein coupled MT1 and MT2 receptors; however, several intracellular protein and nuclear receptors can modulate the activity. Normal levels of the melatonin protect the cells from adverse effects including carcinogenesis. Therapeutically, melatonin has chronomedicinal value; it also shows a remarkable anticancer property. The oncostatic action of melatonin is multidimensional, associated with the advancement of apoptosis, the arrest of the cell cycle, inhibition of metastasis, and antioxidant activity. CONCLUSION The present review has emphasized the mechanism of the anti-neoplastic activity of melatonin that increases the possibilities of the new approaches in cancer therapy.
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Affiliation(s)
- Saptadip Samanta
- Department Physiology, Midnapore College, Paschim Medinipur, Midnapore, West Bengal, 721101, India.
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Shahbazi MA, Shrestha N, Pierchala MK, Kadumudi FB, Mehrali M, Hasany M, Préat V, Leeuwenburgh S, Dolatshahi-Pirouz A. A self-healable, moldable and bioactive biomaterial gum for personalised and wearable drug delivery. J Mater Chem B 2020; 8:4340-4356. [PMID: 32363370 DOI: 10.1039/c9tb02156f] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
One of the long-standing challenges in materials science involves synthesizing biomaterials that recapitulate important features of native biological tissues. Even though, the number of available biomaterials at the moment are virtually limitless, few of them has unlocked all the secrets of the human body by mimicking the combinatorial-like material properties of our tissues and organs. Inspired by the human body, we have developed a polymeric gum, which combines stretchability, toughness, strength, flexibility, and self-healing. It also exhibits a high bioactivity that can target and eliminate bacterial infections fast and reliably. Notably, this material is moldable into almost any complex shape, and therefore suitable as a building block for wearables designed to conform directly with the curved and personalized anatomy of patients. It also exhibits excellent drug retention and release capacity, which altogether makes it suitable for applications in personalized wearable drug-delivery devices.
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Affiliation(s)
- Mohammad-Ali Shahbazi
- Department of Micro- and Nanotechnology, Technical University of Denmark, Ørsteds Plads, DK-2800 Kgs, Lyngby, Denmark
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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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Al-Taie A, Al-Shohani AD, Albasry Z, Altaee A. Current topical trends and novel therapeutic approaches and delivery systems for oral mucositis management. JOURNAL OF PHARMACY AND BIOALLIED SCIENCES 2020; 12:94-101. [PMID: 32742107 PMCID: PMC7373116 DOI: 10.4103/jpbs.jpbs_198_19] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2019] [Revised: 11/21/2019] [Accepted: 12/01/2019] [Indexed: 11/12/2022] Open
Abstract
Oral mucositis (OM) is an extremely serious and challenging complication of chemoradiotherapy, which may limit the efficacy of cancer treatment. Complications related to OM include potential nutrition impairment, high economic burden, and negative impacts on patients' quality of life. Current therapeutic options with local traditional pharmaceutical formulations are largely focused on controlling symptoms, and only few agents are available for treatment. Several local supportive and palliative agents are used for the prevention of OM; however, a standard treatment for the disease has not been confirmed yet. The efficacy of treatment could be improved through the introduction of new medical agents with updated dosage forms that can enhance and optimize local drug delivery and create greater therapeutic effects with fewer side effects. The focus of this review was to provide clear and direct information about the currently available topical therapeutic agents in clinical practice used to cure and/or reduce the incidence of ulcerative symptoms of OM, excluding the associated pain and other coexisting complications such as bacterial and fungal infections. The review also provides recent evidences regarding agents that could be used as promising novel therapies in updated local delivering systems. This will support further encouraging options and approaches for the management of OM and will improve compliance that could be translated in better disease control and survival.
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Affiliation(s)
- Anmar Al-Taie
- Pharmacy Department, Faculty of Pharmacy, Girne American University, North Cyprus, Turkey
| | - Athmar D Al-Shohani
- Department of Pharmaceutics, College of Pharmacy, Mustansiriyah University, Baghdad, Iraq
| | - Zahraa Albasry
- Department of Clinical Pharmacy, College of Pharmacy, Mustansiriyah University, Baghdad, Iraq
| | - Ataa Altaee
- Department of Clinical Pharmacy, College of Pharmacy, Mustansiriyah University, Baghdad, Iraq
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Elsabagh HH, Moussa E, Mahmoud SA, Elsaka RO, Abdelrahman H. Efficacy of Melatonin in prevention of radiation-induced oral mucositis: A randomized clinical trial. Oral Dis 2020; 26:566-572. [PMID: 31869853 DOI: 10.1111/odi.13265] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2019] [Revised: 11/26/2019] [Accepted: 12/17/2019] [Indexed: 12/18/2022]
Abstract
OBJECTIVES Evaluating the effectiveness of melatonin in prevention of radiation-induced oral mucositis. MATERIAL AND METHODS A randomized controlled clinical study was conducted on forty head and neck cancer (HNC) patients undergoing radiotherapy at the Department of Clinical Oncology, Alexandria University, Egypt. Patients were assigned equally to either control group who received conventional treatment or test group who received 20 mg of melatonin along with the conventional treatment. All patients were clinically evaluated for oral mucositis severity and pain at three and six weeks after the start of radiotherapy. Additionally, the total antioxidant capacity (TAC) in patients' saliva samples was assessed at the start of radiotherapy and six weeks later. RESULTS 92.5% of all patients have experienced oral mucositis with more severity reported in the control group (30%) compared with the test group (5%). Mean pain scores decreased significantly, in the second assessment, in test group rather than the controls. TAC values showed a significant difference between the test and controls with a significant decrease in TAC in the control group. CONCLUSION The administration of melatonin with conventional treatment has reduced severe oral mucositis development. It aided in decreasing pain and hindering the reduction of TAC resulting from radiotherapy among the test group compared with controls.
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Affiliation(s)
- Hossam H Elsabagh
- Oral Medicine, Periodontology, Oral Diagnosis and Oral Radiology Department, Faculty of Dentistry, Alexandria University, Alexandria, Egypt
| | - Eglal Moussa
- Oral Medicine, Periodontology, Oral Diagnosis and Oral Radiology Department, Faculty of Dentistry, Alexandria University, Alexandria, Egypt
| | - Sabah A Mahmoud
- Medical Biochemistry Department, Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - Rasha O Elsaka
- Clinical Oncology and Nuclear Medicine department, Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - Hams Abdelrahman
- Pediatric Dentistry and Dental Public Health, Faculty of Dentistry, Alexandria University, Alexandria, Egypt
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Potential of Melatonin as Adjuvant Therapy of Oral Cancer in the Era of Epigenomics. Cancers (Basel) 2019; 11:cancers11111712. [PMID: 31684096 PMCID: PMC6895876 DOI: 10.3390/cancers11111712] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 10/16/2019] [Accepted: 10/31/2019] [Indexed: 02/06/2023] Open
Abstract
The wide variety of epigenetic controls available is rapidly expanding the knowledge of molecular biology even overflowing it. At the same time, it can illuminate unsuspected ways of understanding the etiology of cancer. New emerging therapeutic horizons, then, promise to overcome the current antitumor strategies need. The translational utility of this complexity is particularly welcome in oral cancer (OC), in which natural history is alarmingly disappointing due to the invasive and mutilating surgery, the high relapsing rate, the poor quality of life and the reduced survival after diagnosis. Melatonin activates protective receptor-dependent and receptor-independent processes that prevent tissue cancerisation and inhibit progressive tumor malignancy and metastasis. Related evidence has shown that melatonin pleiotropy encompasses gene expression regulation through all the three best-characterized epigenetic mechanisms: DNA methylation, chromatin modification, and non-coding RNA. OC has received less attention than other cancers despite prognosis is usually negative and there are no significant therapy improvements recorded in the past decade. However, a large research effort is being carried out to elucidate how melatonin´s machinery can prevent epigenetic insults that lead to cancer. In the light of recent findings, a comprehensive examination of biochemistry through which melatonin may reverse epigenetic aberrations in OC is an extraordinary opportunity to take a step forward in the clinical management of patients.
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Guo Q, Chen S, Rao X, Li Y, Pan M, Fu G, Yao Y, Gao X, Tang P, Zhou Y, Xu X, Gao J, Hua G. Inhibition of SIRT1 promotes taste bud stem cell survival and mitigates radiation-induced oral mucositis in mice. Am J Transl Res 2019; 11:4789-4799. [PMID: 31497199 PMCID: PMC6731402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Accepted: 07/13/2019] [Indexed: 06/10/2023]
Abstract
Taste loss is one of the debilitating complications in radiation-induced oral mucositis (RIOM), as occurs in head and neck cancer patients undergoing radiotherapy. We report here a radio-mitigation effect of Sirtuin 1 (SIRT1) inhibitors in taste bud organoids and a mouse model of radiation-induced taste bud injury. The organoids, developed from circumvallate (CV) papilla, were irradiated with single dose of X-rays and inhibitors of SIRT1 or SIRT2 were added 24 h later. The survival was evaluated by measuring the number and size of regenerated organoids after irradiation (IR). Oral mucositis (OM) was induced by IR of the oral region of Lgr5-lacZ transgenic mice. The surviving Lgr5+ taste bud stem cells were identified after lacZ-staining and the mucosal ulceration on tongue dorsal surface was determined by histological methods. Results showed that SIRT1 inhibitors (nicotinamide, EX527, salermide and sirtinol), but not SIRT2 inhibitors, significantly improve taste bud organoid survival after IR. Remarkably, administration of nicotinamide (NAM), a recognized inhibitor of SIRT1 to mice 24 h after IR promotes the survival of Lgr5+ taste bud stem cells, resulting in alleviated tongue mucositis. In conclusion, SIRT1 inhibitors promote Lgr5+ taste bud stem cell survival and mitigate RIOM in mice. These observations have important implications for efforts to develop therapeutic strategies against taste dysfunction and mucosal ulceration in RIOM.
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Affiliation(s)
- Qiang Guo
- Institute of Radiation Medicine, Shanghai Medical College, Fudan UniversityShanghai 200032, China
| | - Shengzhi Chen
- Institute of Radiation Medicine, Shanghai Medical College, Fudan UniversityShanghai 200032, China
| | - Xinxin Rao
- Institute of Radiation Medicine, Shanghai Medical College, Fudan UniversityShanghai 200032, China
| | - Yuanchuang Li
- Institute of Radiation Medicine, Shanghai Medical College, Fudan UniversityShanghai 200032, China
| | - Mengxue Pan
- Institute of Radiation Medicine, Shanghai Medical College, Fudan UniversityShanghai 200032, China
| | - Guoxiang Fu
- Institute of Radiation Medicine, Shanghai Medical College, Fudan UniversityShanghai 200032, China
| | - Ye Yao
- Department of Radiation Oncology, Fudan University Shanghai Cancer Center, Fudan UniversityShanghai 200032, China
| | - Xiaoxue Gao
- Institute of Radiation Medicine, Shanghai Medical College, Fudan UniversityShanghai 200032, China
| | - Peiyuan Tang
- Institute of Radiation Medicine, Shanghai Medical College, Fudan UniversityShanghai 200032, China
| | - Yi Zhou
- Institute of Radiation Medicine, Shanghai Medical College, Fudan UniversityShanghai 200032, China
| | - Xiaoya Xu
- Institute of Radiation Medicine, Shanghai Medical College, Fudan UniversityShanghai 200032, China
| | - Jianjun Gao
- Institute of Radiation Medicine, Shanghai Medical College, Fudan UniversityShanghai 200032, China
| | - Guoqiang Hua
- Institute of Radiation Medicine, Shanghai Medical College, Fudan UniversityShanghai 200032, China
- Cancer Institute, Fudan University Shanghai Cancer Center, Fudan UniversityShanghai 200032, China
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Stempniewicz A, Ceranowicz P, Warzecha Z. Potential Therapeutic Effects of Gut Hormones, Ghrelin and Obestatin in Oral Mucositis. Int J Mol Sci 2019; 20:ijms20071534. [PMID: 30934722 PMCID: PMC6479885 DOI: 10.3390/ijms20071534] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 03/15/2019] [Accepted: 03/19/2019] [Indexed: 12/16/2022] Open
Abstract
Chemotherapy and/or head and neck radiotherapy are frequently associated with oral mucositis. Oral pain, odynophagia and dysphagia, opioid use, weight loss, dehydration, systemic infection, hospitalization and introduction of a feeding tube should be mentioned as the main determinated effect of oral mucositis. Oral mucositis leads to a decreased quality of life and an increase in treatment costs. Moreover, oral mucositis is a life-threatening disease. In addition to its own direct life-threatening consequences, it can also lead to a reduced survival due to the discontinuation or dose reduction of anti-neoplasm therapy. There are numerous strategies for the prevention or treatment of oral mucositis; however, their effectiveness is limited and does not correspond to expectations. This review is focused on the ghrelin and obestatin as potentially useful candidates for the prevention and treatment of chemo- or/and radiotherapy-induced oral mucositis.
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Affiliation(s)
- Agnieszka Stempniewicz
- Department of Physiology, Faculty of Medicine, Jagiellonian University Medical College, Grzegórzecka 16 St., 31-531 Krakow, Poland.
| | - Piotr Ceranowicz
- Department of Physiology, Faculty of Medicine, Jagiellonian University Medical College, Grzegórzecka 16 St., 31-531 Krakow, Poland.
| | - Zygmunt Warzecha
- Department of Physiology, Faculty of Medicine, Jagiellonian University Medical College, Grzegórzecka 16 St., 31-531 Krakow, Poland.
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29
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Melatonin Enhances Cisplatin and Radiation Cytotoxicity in Head and Neck Squamous Cell Carcinoma by Stimulating Mitochondrial ROS Generation, Apoptosis, and Autophagy. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:7187128. [PMID: 30944696 PMCID: PMC6421819 DOI: 10.1155/2019/7187128] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Revised: 12/18/2018] [Accepted: 12/31/2018] [Indexed: 02/07/2023]
Abstract
Head and neck cancer is the sixth leading cancer by incidence worldwide. Unfortunately, drug resistance and relapse are the principal limitations of clinical oncology for many patients, and the failure of conventional treatments is an extremely demoralizing experience. It is therefore crucial to find new therapeutic targets and drugs to enhance the cytotoxic effects of conventional treatments without potentiating or offsetting the adverse effects. Melatonin has oncostatic effects, although the mechanisms involved and doses required remain unclear. The purpose of this study is to determine the precise underlying mitochondrial mechanisms of melatonin, which increase the cytotoxicity of oncological treatments, and also to propose new melatonin treatments in order to alleviate and reverse radio- and chemoresistant processes. We analyzed the effects of melatonin on head and neck squamous cell carcinoma (HNSCC) cell lines (Cal-27 and SCC-9), which were treated with 0.1, 0.5, 1, and 1.5 mM melatonin combined with 8 Gy irradiation or 10 μM cisplatin. Clonogenic and MTT assays, as well as autophagy and apoptosis, involving flow cytometry and western blot, were performed in order to determine the cytotoxic effects of the treatments. Mitochondrial function was evaluated by measuring mitochondrial respiration, mtDNA content (RT-PCR), and mitochondrial mass (NAO). ROS production, antioxidant enzyme activity, and GSH/GSSG levels were analyzed using a fluorometric method. We show that high concentrations of melatonin potentiate the cytotoxic effects of radiotherapy and CDDP in HNSCC, which are associated with increased mitochondrial function in these cells. In HNSCC, melatonin induces intracellular ROS, whose accumulation plays an upstream role in mitochondria-mediated apoptosis and autophagy. Our findings indicate that melatonin, at high concentrations, combined with cisplatin and radiotherapy to improve its effectiveness, is a potential adjuvant agent.
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Johnson K, Chang-Claude J, Critchley AM, Kyriacou C, Lavers S, Rattay T, Seibold P, Webb A, West C, Symonds RP, Talbot CJ. Genetic Variants Predict Optimal Timing of Radiotherapy to Reduce Side-effects in Breast Cancer Patients. Clin Oncol (R Coll Radiol) 2019; 31:9-16. [PMID: 30389261 DOI: 10.1016/j.clon.2018.10.001] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Revised: 08/07/2018] [Accepted: 09/10/2018] [Indexed: 12/20/2022]
Abstract
AIMS Radiotherapy is an important treatment for many types of cancer, but a minority of patients suffer long-term side-effects of treatment. Multiple lines of evidence suggest a role for circadian rhythm in the development of radiotherapy late side-effects. MATERIALS AND METHODS We carried out a study to examine the effect of radiotherapy timing in two breast cancer patient cohorts. The retrospective LeND cohort comprised 535 patients scored for late effects using the Late Effects of Normal Tissue-Subjective Objective Management Analytical (LENT-SOMA) scale. Acute effects were assessed prospectively in 343 patients from the REQUITE study using the CTCAE v4 scales. Genotyping was carried out for candidate circadian rhythm variants. RESULTS In the LeND cohort, patients who had radiotherapy in the morning had a significantly increased incidence of late toxicity in univariate (P = 0.03) and multivariate analysis (P = 0.01). Acute effects in the REQUITE group were also significantly increased in univariate analysis after morning treatment (P = 0.03) but not on multivariate analysis. Increased late effects in the LeND group receiving morning radiotherapy were associated with carriage of the PER3 variable number tandem repeat 4/4 genotype (P = 6 × 10-3) and the NOCT rs131116075 AA genotype (P = 5 × 10-3). CONCLUSION Our results suggest that it may be possible to reduce toxicity associated with breast cancer radiotherapy by identifying gene variants that affect circadian rhythm and scheduling for appropriate morning or afternoon radiotherapy.
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Affiliation(s)
- K Johnson
- Leicester Cancer Research Centre, University of Leicester, Leicester, UK
| | - J Chang-Claude
- Division of Cancer Epidemiology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - A-M Critchley
- Leicester Cancer Research Centre, University of Leicester, Leicester, UK
| | - C Kyriacou
- Department of Genetics and Genome Biology, University of Leicester, Leicester, UK
| | - S Lavers
- Leicester Cancer Research Centre, University of Leicester, Leicester, UK
| | - T Rattay
- Leicester Cancer Research Centre, University of Leicester, Leicester, UK
| | - P Seibold
- Division of Cancer Epidemiology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - A Webb
- Department of Genetics and Genome Biology, University of Leicester, Leicester, UK
| | - C West
- Translational Radiobiology Group, Division of Cancer Sciences, University of Manchester, Manchester Academic Health Science Centre, Christie Hospital, Manchester, UK
| | - R P Symonds
- Leicester Cancer Research Centre, University of Leicester, Leicester, UK
| | - C J Talbot
- Leicester Cancer Research Centre, University of Leicester, Leicester, UK.
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Sakagami H, Watanabe T, Hoshino T, Suda N, Mori K, Yasui T, Yamauchi N, Kashiwagi H, Gomi T, Oizumi T, Nagai J, Uesawa Y, Takao K, Sugita Y. Recent Progress of Basic Studies of Natural Products and Their Dental Application. MEDICINES 2018; 6:medicines6010004. [PMID: 30585249 PMCID: PMC6473826 DOI: 10.3390/medicines6010004] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Revised: 12/10/2018] [Accepted: 12/19/2018] [Indexed: 12/14/2022]
Abstract
The present article reviews the research progress of three major polyphenols (tannins, flavonoids and lignin carbohydrate complexes), chromone (backbone structure of flavonoids) and herbal extracts. Chemical modified chromone derivatives showed highly specific toxicity against human oral squamous cell carcinoma cell lines, with much lower toxicity against human oral keratinocytes, as compared with various anticancer drugs. QSAR analysis suggests the possible correlation between their tumor-specificity and three-dimensional molecular shape. Condensed tannins in the tea extracts inactivated the glucosyltransferase enzymes, involved in the biofilm formation. Lignin-carbohydrate complexes (prepared by alkaline extraction and acid-precipitation) and crude alkaline extract of the leaves of Sasa species (SE, available as an over-the-counter drug) showed much higher anti-HIV activity, than tannins, flavonoids and Japanese traditional medicine (Kampo). Long-term treatment with SE and several Kampo medicines showed an anti-inflammatory and anti-oxidant effects in small size of clinical trials. Although the anti-periodontitis activity of synthetic angiotensin II blockers has been suggested in many papers, natural angiotensin II blockers has not yet been tested for their possible anti-periodontitis activity. There should be still many unknown substances that are useful for treating the oral diseases in the natural kingdom.
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Affiliation(s)
- Hiroshi Sakagami
- Meikai University Research Institute of Odontology (M-RIO), 1-1 Keyakidai, Sakado, Saitama 350-0283, Japan.
| | - Taihei Watanabe
- Division of Pediatric Dentistry, Meikai University School of Dentistry, 1-1 Keyakidai, Sakado, Saitama 350-0283, Japan.
| | - Tomonori Hoshino
- Division of Pediatric Dentistry, Meikai University School of Dentistry, 1-1 Keyakidai, Sakado, Saitama 350-0283, Japan.
| | - Naoto Suda
- Division of Orthodontics, Meikai University School of Dentistry, 1-1 Keyakidai, Sakado, Saitama 350-0283, Japan.
| | - Kazumasa Mori
- Division of First Oral and Maxillofacial Surgery, Meikai University School of Dentistry, 1-1 Keyakidai, Sakado, Saitama 350-0283, Japan.
| | - Toshikazu Yasui
- Division of Oral Health, Meikai University School of Dentistry, 1-1 Keyakidai, Sakado, Saitama 350-0283, Japan.
| | - Naoki Yamauchi
- Masuko Memorial Hospital, 35-28 Takehashi-cho, Nakamura-ku, Nagoya 453-8566, Japan.
| | - Harutsugu Kashiwagi
- Ecopale Co., Ltd., 885 Minamiisshiki, Nagaizumi-cho, Suntou-gun, Shizuoka 411-0932, Japan.
| | - Tsuneaki Gomi
- Gomi clinic, 1-10-12 Hyakunin-cho, Shinjuku-ku, Tokyo 169-0073, Japan.
| | - Takaaki Oizumi
- Daiwa Biological Research Institute Co., Ltd., 3-2-1 Sakado, Takatsu-ku, Kawasaki, Kanagawa 213-0012, Japan.
| | - Junko Nagai
- Department of Medical Molecular Informatics, Meiji Pharmaceutical University, 2-522-1 Noshio, Kiyose, Tokyo 204-8588, Japan.
| | - Yoshihiro Uesawa
- Department of Medical Molecular Informatics, Meiji Pharmaceutical University, 2-522-1 Noshio, Kiyose, Tokyo 204-8588, Japan.
| | - Koichi Takao
- Department of Pharmaceutical Sciences, Faculty of Pharmacy and Pharmaceutical Sciences, Josai University, Sakado, Saitama 350-0295, Japan.
| | - Yoshiaki Sugita
- Department of Pharmaceutical Sciences, Faculty of Pharmacy and Pharmaceutical Sciences, Josai University, Sakado, Saitama 350-0295, Japan.
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Shen YQ, Guerra-Librero A, Fernandez-Gil BI, Florido J, García-López S, Martinez-Ruiz L, Mendivil-Perez M, Soto-Mercado V, Acuña-Castroviejo D, Ortega-Arellano H, Carriel V, Diaz-Casado ME, Reiter RJ, Rusanova I, Nieto A, López LC, Escames G. Combination of melatonin and rapamycin for head and neck cancer therapy: Suppression of AKT/mTOR pathway activation, and activation of mitophagy and apoptosis via mitochondrial function regulation. J Pineal Res 2018; 64. [PMID: 29247557 DOI: 10.1111/jpi.12461] [Citation(s) in RCA: 124] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Accepted: 12/01/2017] [Indexed: 12/21/2022]
Abstract
Head and neck squamous cell carcinoma (HNSCC) clearly involves activation of the Akt mammalian target of rapamycin (mTOR) signalling pathway. However, the effectiveness of treatment with the mTOR inhibitor rapamycin is often limited by chemoresistance. Melatonin suppresses neoplastic growth via different mechanisms in a variety of tumours. In this study, we aimed to elucidate the effects of melatonin on rapamycin-induced HNSCC cell death and to identify potential cross-talk pathways. We analysed the dose-dependent effects of melatonin in rapamycin-treated HNSCC cell lines (Cal-27 and SCC-9). These cells were treated with 0.1, 0.5 or 1 mmol/L melatonin combined with 20 nM rapamycin. We further examined the potential synergistic effects of melatonin with rapamycin in Cal-27 xenograft mice. Relationships between inhibition of the mTOR pathway, reactive oxygen species (ROS), and apoptosis and mitophagy reportedly increased the cytotoxic effects of rapamycin in HNSCC. Our results demonstrated that combined treatment with rapamycin and melatonin blocked the negative feedback loop from the specific downstream effector of mTOR activation S6K1 to Akt signalling, which decreased cell viability, proliferation and clonogenic capacity. Interestingly, combined treatment with rapamycin and melatonin-induced changes in mitochondrial function, which were associated with increased ROS production, increasing apoptosis and mitophagy. This led to increase cell death and cellular differentiation. Our data further indicated that melatonin administration reduced rapamycin-associated toxicity to healthy cells. Overall, our findings suggested that melatonin could be used as an adjuvant agent with rapamycin, improving effectiveness while minimizing its side effects.
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Affiliation(s)
- Ying-Qiang Shen
- Biomedical Research Center, Health Sciences Technology Park, University of Granada, Granada, Spain
| | - Ana Guerra-Librero
- Biomedical Research Center, Health Sciences Technology Park, University of Granada, Granada, Spain
| | - Beatriz I Fernandez-Gil
- Biomedical Research Center, Health Sciences Technology Park, University of Granada, Granada, Spain
| | - Javier Florido
- Biomedical Research Center, Health Sciences Technology Park, University of Granada, Granada, Spain
| | - Sergio García-López
- Biomedical Research Center, Health Sciences Technology Park, University of Granada, Granada, Spain
| | - Laura Martinez-Ruiz
- Biomedical Research Center, Health Sciences Technology Park, University of Granada, Granada, Spain
| | - Miguel Mendivil-Perez
- Medical Research Institute, Faculty of Medicine, University of Antioquia, Medellin, Colombia
| | - Viviana Soto-Mercado
- Medical Research Institute, Faculty of Medicine, University of Antioquia, Medellin, Colombia
| | - Darío Acuña-Castroviejo
- Biomedical Research Center, Health Sciences Technology Park, University of Granada, Granada, Spain
- Department of Physiology, Faculty of Medicine, University of Granada, Granada, Spain
- CIBERFES, Ibs.Granada, Hospital Campus de la Salud, Granada, Spain
| | - Hector Ortega-Arellano
- Medical Research Institute, Faculty of Medicine, University of Antioquia, Medellin, Colombia
| | - Victor Carriel
- Department of Histology, Faculty of Medicine, University of Granada, Granada, Spain
| | - María E Diaz-Casado
- Biomedical Research Center, Health Sciences Technology Park, University of Granada, Granada, Spain
| | - Russel J Reiter
- Department of Cell Systems and Anatomy, UT Health, San Antonio, TX, USA
| | - Iryna Rusanova
- Biomedical Research Center, Health Sciences Technology Park, University of Granada, Granada, Spain
- CIBERFES, Ibs.Granada, Hospital Campus de la Salud, Granada, Spain
| | - Ana Nieto
- Biomedical Research Center, Health Sciences Technology Park, University of Granada, Granada, Spain
| | - Luis C López
- Biomedical Research Center, Health Sciences Technology Park, University of Granada, Granada, Spain
- Department of Physiology, Faculty of Medicine, University of Granada, Granada, Spain
- CIBERFES, Ibs.Granada, Hospital Campus de la Salud, Granada, Spain
| | - Germaine Escames
- Biomedical Research Center, Health Sciences Technology Park, University of Granada, Granada, Spain
- Department of Physiology, Faculty of Medicine, University of Granada, Granada, Spain
- CIBERFES, Ibs.Granada, Hospital Campus de la Salud, Granada, Spain
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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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