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Zhang W, Rong H, Liang J, Mao C, Li Z, Dai Z, Li D, Guo W, Chen S, Wang Z, Wei J. Chitosan modified with PAP as a promising delivery system for melatonin in the treatment of osteoporosis: targeting the divalent metal transporter 1. J Biol Eng 2024; 18:27. [PMID: 38622739 PMCID: PMC11020623 DOI: 10.1186/s13036-024-00422-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Accepted: 03/22/2024] [Indexed: 04/17/2024] Open
Abstract
The demands for novel and efficient therapies have gradually increased with the rising concerns of osteoporosis (OP). The most popular method in promoting bone regeneration during osteoporotic conditions consists of loading bioactive materials with different drugs to treat osteoporotic bones by either promoting the process of osteogenesis, or by inhibiting the activity of osteoclasts. By analyzing single cell sequencing results, we found that divalent metal transporter 1 (DMT1) played a role in OP. Based on our previous results, we found that melatonin (MT) suppressed expression of DMT1 induced by high glucose during OP, so we determined the efficacy of MT for the treatment of OP. However, the clinical effects of MT on OP were unsatisfactory. To enhance its biological efficacy, we combined MT with porous gelatin chitosan (chitosan) and the conductive material, PLA-b-AP-b-PLA (PAP), then determined how MT incorporation in chitosan@PAP nanoparticles affected the ability to promote MC3T3-E1 osteogenesis and mineralization, both in vitro and in vivo. The results confirmed the effect of MT on DMT1. We then prepared and characterized composites prepared as nanofibers, and determined the efficacy of MT combined with chitosan-PAP modified hydrogels as a slow-release system in a femur model of osteoporosis mice, with associated properties suitable for bone tissue engineering. The results indicated that MT-loaded chitosan@PAP nanospheres showed favorable osteogenic functions, both in vivo and in vitro, providing a practical solution for bone regeneration for OP patients.
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Affiliation(s)
- Weilin Zhang
- Department of Spinal Degeneration and Deformity Surgery, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Hongrui Rong
- Department of Spinal Degeneration and Deformity Surgery, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Jinguo Liang
- Department of Spinal Degeneration and Deformity Surgery, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Chao Mao
- Department of Spinal Degeneration and Deformity Surgery, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Zhencong Li
- Department of Spinal Degeneration and Deformity Surgery, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Zhiwen Dai
- Department of Spinal Degeneration and Deformity Surgery, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Dingbin Li
- Department of Spinal Degeneration and Deformity Surgery, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Weixiong Guo
- Department of Spinal Degeneration and Deformity Surgery, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Siyuan Chen
- Department of Spinal Degeneration and Deformity Surgery, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Zhongwei Wang
- Department of Spinal Degeneration and Deformity Surgery, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China.
| | - Jinsong Wei
- Department of Spinal Degeneration and Deformity Surgery, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China.
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Wang X, Jiang W, Pan K, Tao L, Zhu Y. Melatonin induces RAW264.7 cell apoptosis via the BMAL1/ROS/MAPK-p38 pathway to improve postmenopausal osteoporosis. Bone Joint Res 2023; 12:677-690. [PMID: 37907083 PMCID: PMC10618049 DOI: 10.1302/2046-3758.1211.bjr-2022-0425.r3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/02/2023] Open
Abstract
Aims Currently, the effect of drug treatment for osteoporosis is relatively poor, and the side effects are numerous and serious. Melatonin is a potential drug to improve bone mass in postmenopausal women. Unfortunately, the mechanism by which melatonin improves bone metabolism remains unclear. The aim of this study was to further investigate the potential mechanism of melatonin in the treatment of osteoporosis. Methods The effects of melatonin on mitochondrial apoptosis protein, bmal1 gene, and related pathway proteins of RAW264.7 (mouse mononuclear macrophage leukaemia cells) were analyzed by western blot. Cell Counting Kit-8 was used to evaluate the effect of melatonin on cell viability. Flow cytometry was used to evaluate the effect of melatonin on the apoptosis of RAW264.7 cells and mitochondrial membrane potential. A reactive oxygen species (ROS) detection kit was used to evaluate the level of ROS in osteoclast precursors. We used bmal1-small interfering RNAs (siRNAs) to downregulate the Bmal1 gene. We established a postmenopausal mouse model and verified the effect of melatonin on the bone mass of postmenopausal osteoporosis in mice via micro-CT. Bmal1 lentiviral activation particles were used to establish an in vitro model of overexpression of the bmal1 gene. Results Melatonin promoted apoptosis of RAW264.7 cells and increased the expression of BMAL1 to inhibit the activation of ROS and phosphorylation of mitogen-activated protein kinase (MAPK)-p38. Silencing the bmal1 gene weakened the above effects of melatonin. After that, we used dehydrocorydaline (DHC) to enhance the activation of MAPK-p38, and the effects of melatonin on reducing ROS levels and promoting apoptosis of RAW264.7 cells were also blocked. Then, we constructed a mouse model of postmenopausal osteoporosis and administered melatonin. The results showed that melatonin improves bone loss in ovariectomized mice. Finally, we established a model of overexpression of the bmal1 gene, and these results suggest that the bmal1 gene can regulate ROS activity and change the level of the MAPK-p38 signalling pathway. Conclusion Our study confirmed that melatonin promotes the apoptosis of RAW264.7 cells through BMAL1/ROS/MAPK-p38, and revealed the therapeutic effect and mechanism of melatonin in postmenopausal osteoporosis. This finding enriches BMAL1 as a potential target for the treatment of osteoporosis and the pathogenesis of postmenopausal osteoporosis.
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Affiliation(s)
- Xiaochuan Wang
- Department of Orthopedics, First Hospital of China Medical University, Shenyang, China
| | - Wen Jiang
- Department of Orthopedics, First Hospital of China Medical University, Shenyang, China
| | - Kexin Pan
- Department of Orthopedics, First Hospital of China Medical University, Shenyang, China
| | - Lin Tao
- Department of Orthopedics, First Hospital of China Medical University, Shenyang, China
| | - Yue Zhu
- Department of Orthopedics, First Hospital of China Medical University, Shenyang, China
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Cao JJ, Gregoire BR. Time of day of exercise does not affect the beneficial effect of exercise on bone structure in older female rats. Front Physiol 2023; 14:1142057. [PMID: 37965104 PMCID: PMC10641222 DOI: 10.3389/fphys.2023.1142057] [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: 01/12/2023] [Accepted: 10/13/2023] [Indexed: 11/16/2023] Open
Abstract
Background: Circadian clock genes are expressed in bone and biomarkers of bone resorption and formation exhibit diurnal patterns in animals and humans. Disruption of the diurnal rhythms may affect the balance of bone turnover and compromise the beneficial effects of exercise on bone. Objective: This study investigated whether the time of day of exercise alters bone metabolism in a rodent model. We hypothesized that exercise during the active phase results in greater bone mass than exercise during the rest phase in older female rats. Methods: Fifty-five, female 12-month-old Sprague Dawley rats were randomly assigned to four treatment groups (n = 13-14/group). Rats were subjected to no exercise or 2 h of involuntary exercise at 9 m/min and 5 days/wk for 15 weeks using motor-driven running wheels at Zeitgeber time (ZT) 4-6 (rest phase), 12-14 (early active phase), or 22-24 (late active phase). ZT 0 is defined as light on, the start of the rest phase. A red lamp was used at minimal intensity during the active, dark phase exercise period, i.e., ZT 12-14 and 22-24. Bone structure, body composition, and bone-related cytokines in serum and gene expression in bone were measured. Data were analyzed using one-way ANOVA followed by Tukey-Kramer post hoc contrasts. Results: Exercise at different ZT did not affect body weight, fat mass, lean mass, the serum bone biomarkers, bone structural or mechanical parameters, or expression of circadian genes. Exercise pooled exercise data from different ZT were compared to the No-Exercise data (a priori contrast) increased serum IGF-1 and irisin concentrations, compared to No-Exercise. Exercise increased tibial bone volume/total volume (p = 0.01), connectivity density (p = 0.04), and decreased structural model index (p = 0.02). Exercise did not affect expression of circadian genes. Conclusion: These data indicate that exercise is beneficial to bone structure and that the time of day of exercise does not alter the beneficial effect of exercise on bone in older female rats.
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Affiliation(s)
- Jay J. Cao
- USDA, Agricultural Research Service, Grand Forks Human Nutrition Research Center, Grand Forks, ND, United States
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Chen H, Deng J, Gao H, Song Y, Zhang Y, Sun J, Zhai J. Involvement of the SIRT1-NLRP3 pathway in the inflammatory response. Cell Commun Signal 2023; 21:185. [PMID: 37507744 PMCID: PMC10375653 DOI: 10.1186/s12964-023-01177-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 05/25/2023] [Indexed: 07/30/2023] Open
Abstract
The silent information regulator 2 homolog 1-NACHT, LRR and PYD domains-containing protein 3 (SIRT1-NLRP3) pathway has a crucial role in regulation of the inflammatory response, and is closely related to the occurrence and development of several inflammation-related diseases. NLRP3 is activated to produce the NLRP3 inflammasome, which leads to activation of caspase-1 and cleavage of pro-interleukin (IL)-1β and pro-IL-18 to their active forms: IL-1β and IL-18, respectively. They are proinflammatory cytokines which then cause an inflammatory response.SIRT1 can inhibit this inflammatory response through nuclear factor erythroid 2-related factor 2 and nuclear factor-kappa B pathways. This review article focuses mainly on how the SIRT1-NLRP3 pathway influences the inflammatory response and its relationship with melatonin, traumatic brain injury, neuroinflammation, depression, atherosclerosis, and liver damage. Video Abstract.
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Affiliation(s)
- Huiyue Chen
- Department of Clinical Pharmacy, the First Hospital of Jilin University, Changchun, , Jilin, China
- School of Pharmaceutical Science, Jilin University, Changchun, Jilin, China
| | - Jiayu Deng
- Department of Pharmacy, Lequn Branch, the First Hospital of Jilin University, Changchun, Jilin, China
| | - Huan Gao
- Department of Clinical Pharmacy, the First Hospital of Jilin University, Changchun, , Jilin, China
| | - Yanqing Song
- Department of Clinical Pharmacy, the First Hospital of Jilin University, Changchun, , Jilin, China
- School of Pharmaceutical Science, Jilin University, Changchun, Jilin, China
- Department of Pharmacy, Lequn Branch, the First Hospital of Jilin University, Changchun, Jilin, China
| | - Yueming Zhang
- Department of Clinical Pharmacy, the First Hospital of Jilin University, Changchun, , Jilin, China
| | - Jingmeng Sun
- Department of Clinical Pharmacy, the First Hospital of Jilin University, Changchun, , Jilin, China
| | - Jinghui Zhai
- Department of Clinical Pharmacy, the First Hospital of Jilin University, Changchun, , Jilin, China.
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Händel MN, Andersen HK, Ussing A, Virring A, Jennum P, Debes NM, Laursen T, Baandrup L, Gade C, Dettmann J, Holm J, Krogh C, Birkefoss K, Tarp S, Bliddal M, Edemann-Callesen H. The short-term and long-term adverse effects of melatonin treatment in children and adolescents: a systematic review and GRADE assessment. EClinicalMedicine 2023; 61:102083. [PMID: 37483551 PMCID: PMC10359736 DOI: 10.1016/j.eclinm.2023.102083] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 06/15/2023] [Accepted: 06/20/2023] [Indexed: 07/25/2023] Open
Abstract
Background Currently, melatonin is used to treat children and adolescents with insomnia without knowing the full extent of the short-term and long-term consequences. Our aim was to provide clinicians and guideline panels with a systematic assessment of serious-and non-serious adverse events seen in continuation of melatonin treatment and the impact on pubertal development and bone health following long-term administration in children and adolescents with chronic insomnia. Methods We searched PubMed, Embase, Cinahl and PsycINFO via Ovid, up to March 17, 2023, for studies on melatonin treatment among children and adolescents (aged 5-20 years) with chronic insomnia. The language was restricted to English, Danish, Norwegian, and Swedish. Outcomes were non-serious adverse events and serious adverse events assessed 2-4 weeks after initiating treatment and pubertal development and bone health, with no restriction on definition or time of measurement. Observational studies were included for the assessment of long-term outcomes, and serious and non-serious adverse events were assessed via randomised studies. The certainty of the evidence was assessed using Grades of Recommendation, Assessment, Development and Evaluation (GRADE). The protocol is registered with the Danish Health Authority. Findings We identified 22 randomised studies with 1350 patients reporting on serious-and non-serious adverse events and four observational studies with a total of 105 patients reporting on pubertal development. Melatonin was not associated with serious adverse events, yet the number of patients experiencing non-serious adverse events was increased (Relative risk 1.56, 95% CI 1.01-2.43, 17 studies, I2 = 47%). Three studies reported little or no influence on pubertal development following 2-4 years of treatment, whereas one study registered a potential delay following longer treatment durations (>7 years). These findings need further evaluation due to several methodological limitations. Interpretation Children who use melatonin are likely to experience non-serious adverse events, yet the actual extent to which melatonin leads to non-serious adverse events and the long-term consequences remain uncertain. This major gap of knowledge on safety calls for caution against complacent use of melatonin in children and adolescents with chronic insomnia and for more research to inform clinicians and guideline panels on this key issue. Funding The Danish Health Authority. The Parker Institute, Bispebjerg and Frederiksberg Hospital, supported by the Oak Foundation.
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Affiliation(s)
- Mina Nicole Händel
- The Danish Health Authority, 2300, Copenhagen, Denmark
- Research Unit OPEN, Department of Clinical Research, University of Southern Denmark, Odense, Denmark
- The Parker Institute, Bispebjerg and Frederiksberg Hospital, Frederiksberg, Denmark
| | | | - Anja Ussing
- The Danish Health Authority, 2300, Copenhagen, Denmark
| | - Anne Virring
- Department of Child and Adolescent Psychiatry, Aarhus University Hospital, Psychiatry, Aarhus, Denmark
| | - Poul Jennum
- Danish Centre for Sleep Medicine, Department of Clinical Neurophysiology, Rigshospitalet, Copenhagen, Denmark
| | - Nanette Mol Debes
- Department of Pediatrics, Copenhagen University Hospital - Herlev and Gentofte, Herlev, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Torben Laursen
- Department of Clinical Pharmacology, Aarhus University Hospital, Denmark
| | - Lone Baandrup
- Bispebjerg and Gentofte Departments, Mental Health Centre Copenhagen, Copenhagen University Hospital – the Mental Health Services of the Capital Region in Denmark & Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Christina Gade
- Departments of Clinical Pharmacology and Clinical Medicine, Copenhagen University Hospital, Bispebjerg and Frederiksberg, University of Copenhagen, Denmark
| | - Jette Dettmann
- Department of Pediatrics, Copenhagen University Hospital – NOH, Hillerød, Denmark
| | - Jonas Holm
- The Occupational Therapist Association, Denmark
| | - Camilla Krogh
- The Danish Health Authority, 2300, Copenhagen, Denmark
| | | | - Simon Tarp
- The Danish Health Authority, 2300, Copenhagen, Denmark
| | - Mette Bliddal
- Research Unit OPEN, Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Henriette Edemann-Callesen
- The Danish Health Authority, 2300, Copenhagen, Denmark
- Centre for Evidence-Based Psychiatry, Psychiatric Research Unit, Psychiatry Region Zealand, 4200, Slagelse, Denmark
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Santos RMD, Machado NEDS, Cantiga-Silva C, Belardi BE, Tsosura TVS, Chiba FY, Tessarin GWL, Mattera MSDLC, Nobumoto ACTY, Ervolino E, Cintra LTA, Matsushita DH. Modulatory influence of melatonin on apical periodontitis in Wistar rats fed a high-fat diet. Arch Oral Biol 2023; 153:105749. [PMID: 37320884 DOI: 10.1016/j.archoralbio.2023.105749] [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: 03/29/2023] [Revised: 06/08/2023] [Accepted: 06/08/2023] [Indexed: 06/17/2023]
Abstract
OBJECTIVE This study aimed to evaluate the influence of high-fat diet (HFD) and melatonin (MEL) treatment on the progression of inflammation and alveolar bone resorption (ABR) in rats with AP. DESIGN Forty male Wistar rats were divided into four groups: apical periodontitis (AP), HFDAP, APMEL and HFDAPMEL. The animals were fed an HFD or standard diet for 107 days. On the 7th day, the rats were subjected to AP, and after 70 days, the rats in the MEL groups were treated with MEL for 30 days. Post treatment, the animals were euthanized, and their jaws were retrieved for evaluation of bone resorption, intensity of the inflammatory response, and immunohistochemical analysis including tartrate-resistant acid phosphatase (TRAP) and interleukin-1β (IL-1β) levels and tumor necrosis factor (TNF)-α expression. RESULTS The APMEL group showed reduction in the inflammatory infiltrate and IL-1β expression relation to HFDAP, while the TNF-α levels did not differ among the groups. The HFDAP group showed an increase in the ABR. MEL reduced the TRAP levels in the APMEL and HFDAPMEL groups. CONCLUSIONS while MEL could reduce TRAP levels in the APMEL and HFDAPMEL groups, the reduction in the HFDAPMEL group was smaller than that in the APMEL group, demonstrating that the interaction between AP and HFD decreased the anti-resorptive effects of MEL.
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Affiliation(s)
- Rodrigo Martins Dos Santos
- São Paulo State University (UNESP), School of Dentistry, Araçatuba Department of Basic Sciences, School of Dentistry, São Paulo State University (UNESP) Araçatuba, Brazil; Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas (PPGMCF)/Sociedade Brasileira de Fisiologia (SBFis), School of Dentistry, São Paulo State University (UNESP), Araçatuba, Brazil
| | - Nathalia Evelyn da Silva Machado
- São Paulo State University (UNESP), School of Dentistry, Araçatuba, Department of Preventive and Restorative Dentistry, Araçatuba, SP, Brazil
| | - Cristiane Cantiga-Silva
- São Paulo State University (UNESP), School of Dentistry, Araçatuba, Department of Preventive and Restorative Dentistry, Araçatuba, SP, Brazil
| | - Bianca Elvira Belardi
- São Paulo State University (UNESP), School of Dentistry, Araçatuba Department of Basic Sciences, School of Dentistry, São Paulo State University (UNESP) Araçatuba, Brazil; Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas (PPGMCF)/Sociedade Brasileira de Fisiologia (SBFis), School of Dentistry, São Paulo State University (UNESP), Araçatuba, Brazil
| | - Thais Verônica Saori Tsosura
- São Paulo State University (UNESP), School of Dentistry, Araçatuba Department of Basic Sciences, School of Dentistry, São Paulo State University (UNESP) Araçatuba, Brazil; Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas (PPGMCF)/Sociedade Brasileira de Fisiologia (SBFis), School of Dentistry, São Paulo State University (UNESP), Araçatuba, Brazil
| | - Fernando Yamamoto Chiba
- São Paulo State University (UNESP), School of Dentistry, Araçatuba, Department of Preventive and Restorative Dentistry, Araçatuba, SP, Brazil
| | - Gestter Willian Lattari Tessarin
- São Paulo State University (UNESP), School of Dentistry, Araçatuba Department of Basic Sciences, School of Dentistry, São Paulo State University (UNESP) Araçatuba, Brazil; North University Center of São Paulo, Unorte, São José do Rio Preto, SP, Brazil.
| | - Maria Sara de Lima Coutinho Mattera
- São Paulo State University (UNESP), School of Dentistry, Araçatuba Department of Basic Sciences, School of Dentistry, São Paulo State University (UNESP) Araçatuba, Brazil; Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas (PPGMCF)/Sociedade Brasileira de Fisiologia (SBFis), School of Dentistry, São Paulo State University (UNESP), Araçatuba, Brazil
| | - Ana Carla Thalez Ywabuchi Nobumoto
- São Paulo State University (UNESP), School of Dentistry, Araçatuba Department of Basic Sciences, School of Dentistry, São Paulo State University (UNESP) Araçatuba, Brazil; Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas (PPGMCF)/Sociedade Brasileira de Fisiologia (SBFis), School of Dentistry, São Paulo State University (UNESP), Araçatuba, Brazil
| | - Edilson Ervolino
- São Paulo State University (UNESP), School of Dentistry, Araçatuba Department of Basic Sciences, School of Dentistry, São Paulo State University (UNESP) Araçatuba, Brazil
| | - Luciano Tavares Angelo Cintra
- São Paulo State University (UNESP), School of Dentistry, Araçatuba, Department of Preventive and Restorative Dentistry, Araçatuba, SP, Brazil
| | - Doris Hissako Matsushita
- São Paulo State University (UNESP), School of Dentistry, Araçatuba Department of Basic Sciences, School of Dentistry, São Paulo State University (UNESP) Araçatuba, Brazil; Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas (PPGMCF)/Sociedade Brasileira de Fisiologia (SBFis), School of Dentistry, São Paulo State University (UNESP), Araçatuba, Brazil
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Li TL, Liu HD, Ren MX, Zhou Z, Jiang WK, Yang M. Daytime administration of melatonin has better protective effects on bone loss in ovariectomized rats. J Orthop Surg Res 2023; 18:234. [PMID: 36949499 PMCID: PMC10035168 DOI: 10.1186/s13018-023-03695-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Accepted: 03/08/2023] [Indexed: 03/24/2023] Open
Abstract
OBJECTIVE To explore the difference in the protective effects of intraperitoneal injection of exogenous melatonin of daytime or nighttime on bone loss in ovariectomized (OVX) rats. METHODS After bilateral ovariectomy and sham surgery, 40 rats were randomly divided into four groups: sham operation group (Sham), ovariectomy (OVX), and daytime melatonin injection group (OVX + DMLT, 9:00, 30 mg/kg/d) and nighttime injection of melatonin (OVX + NMLT, 22:00, 30 mg/kg/d). After 12 weeks of treatment, the rats were sacrificed. The distal femur, blood and femoral marrow cavity contents were saved. The rest of the samples were tested by Micro-CT, histology, biomechanics and molecular biology. Blood was used for bone metabolism marker measurements. CCK-8, ROS, and Cell apoptosis are performed using MC3E3-T1 cells. RESULTS Compared with treatment at night, the bone mass of the OVX rats was significantly increased after the daytime administration. All microscopic parameters of trabecular bone increased, only Tb.Sp decreased. Histologically, the bone microarchitecture of the OVX + DMLT was also more dense than the bone microarchitecture of the OVX + LMLT. In the biomechanical experiment, the femur samples of the day treatment group were able to withstand greater loads and deformation. In molecular biology experiments, bone formation-related molecules increased, while bone resorption-related molecules decreased. After treatment with melatonin administration at night, the expression of MT-1β was significantly decreased. In cell experiments, the MC3E3-T1 cells treated with low-dose MLT had higher cell viability and greater efficiency in inhibiting ROS production than the MC3E3-T1 cells treated with high-dose MLT, which in turn more effectively inhibited apoptosis. CONCLUSION Daytime administration of melatonin acquires better protective effects on bone loss than night in OVX rats.
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Affiliation(s)
- Tian-Lin Li
- Department of Trauma Orthopedics, The First Affiliated Hospital of Wannan Medical College, Yijishan Hospital, No. 2, Zhe Shan Xi Road, Wuhu, 241001, Anhui, People's Republic of China
| | - He-Dong Liu
- Department of Trauma Orthopedics, The First Affiliated Hospital of Wannan Medical College, Yijishan Hospital, No. 2, Zhe Shan Xi Road, Wuhu, 241001, Anhui, People's Republic of China
| | - Mao-Xian Ren
- Department of Trauma Orthopedics, The First Affiliated Hospital of Wannan Medical College, Yijishan Hospital, No. 2, Zhe Shan Xi Road, Wuhu, 241001, Anhui, People's Republic of China
| | - Zhi Zhou
- Department of Trauma Orthopedics, The First Affiliated Hospital of Wannan Medical College, Yijishan Hospital, No. 2, Zhe Shan Xi Road, Wuhu, 241001, Anhui, People's Republic of China
| | - Wen-Kai Jiang
- Department of Trauma Orthopedics, The First Affiliated Hospital of Wannan Medical College, Yijishan Hospital, No. 2, Zhe Shan Xi Road, Wuhu, 241001, Anhui, People's Republic of China
| | - Min Yang
- Department of Trauma Orthopedics, The First Affiliated Hospital of Wannan Medical College, Yijishan Hospital, No. 2, Zhe Shan Xi Road, Wuhu, 241001, Anhui, People's Republic of China.
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Wu Y, Zhou X, Wang M, Wang W, Yang Y. Effect of light intensity on growth performance and bone development of tibia in broilers. J Anim Physiol Anim Nutr (Berl) 2023; 107:192-199. [PMID: 35060202 DOI: 10.1111/jpn.13681] [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: 12/13/2021] [Revised: 12/23/2021] [Accepted: 12/27/2021] [Indexed: 01/10/2023]
Abstract
Light management affects the health outcomes and growth performance of broiler chickens. However, the effects of different light intensities on growth performance and its association with tibia development of broilers remain unclear. In the present study, 462 Ross male broilers were divided into seven treatment groups with 6 replicates (11 birds per replicate), and then were subjected to different light intensity levels (0.5, 2, 5, 7, 9, 13 or 19 Lx) for 42 days. The results demonstrated that broilers under lower light intensity (2, 5Lx) obtained higher body weight (p < 0.05) and feed conversion ratio (p < 0.05). Lower light intensity exposure had no effects on the length, width, weight, breaking strength and the mineral density of the tibia (p > 0.05), but led to increased ash content and phosphorus during the starter phase (p < 0.05). Also, plasma levels of calcium (Ca), phosphorus (P) and alkaline phosphatase were increased in response to lower light intensity conditions (p < 0.05), but decreased under higher light intensity (p < 0.05), indicating dynamic mineral metabolic and depositional activity to light intensity. In addition, broilers exposed to lower intensity (0.5 Lx, 2 Lx and 5 Lx) during the starter phase had decreased hypertrophic chondrocytes (p < 0.05), but did not affect resting zone chondrocytes and proliferative chondrocytes of the growth plate (p > 0.05). In contrast, the light intensity did not affect the growth performance and the development of the tibia of broilers during the finishing phase. In summary, we demonstrated that lower light intensity promoted the growth performance and the bone development of broilers. Application of lower light intensity at the starter phase might be a management strategy for broiler industries.
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Affiliation(s)
- Yujun Wu
- State Key Laboratory of Animal Nutrition, China Agricultural University, Beijing, China
| | - Xiumin Zhou
- State Key Laboratory of Animal Nutrition, China Agricultural University, Beijing, China
| | - Mengmeng Wang
- State Key Laboratory of Animal Nutrition, China Agricultural University, Beijing, China
| | - Wenyu Wang
- Nantong Tiancheng Modern Agricultural Technology Co. Ltd., Nantong, Jiangsu Province, China
| | - Ying Yang
- State Key Laboratory of Animal Nutrition, China Agricultural University, Beijing, China
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Cherian KE, Kapoor N, Paul TV. Disrupted Sleep Architecture Is Associated With Incident Bone Loss in Indian Postmenopausal Women: A Prospective Study. J Bone Miner Res 2022; 37:1956-1962. [PMID: 35880668 DOI: 10.1002/jbmr.4662] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 07/06/2022] [Accepted: 07/21/2022] [Indexed: 11/06/2022]
Abstract
Inadequate sleep has been shown to be detrimental to several body systems, including the bone. We proposed to study the impact of insomnia on bone health in Indian postmenopausal women. In a 2-year prospective study, ambulant community-dwelling postmenopausal women aged >50 years were recruited through simple random sampling. Sleep duration was recorded based on self-reported sleep duration and sleep quality using the Women's Health Initiative Insomnia Rating Scale (WHIIRS). Anthropometry, bone biochemistry including bone turnover markers (C-terminal telopeptide of type 1 collagen [CTX], N-terminal telopeptide of type 1 pro-collagen [P1NP]), bone mineral density (BMD), and trabecular bone score (TBS) were assessed at baseline and at the end of 2 years. Among 190 postmenopausal women with mean (SD) age of 58.2 (6.9) years, 65/190 (34.2%) had insomnia (WHIIRS ≥ 9) and 20/190 (10.5%) developed osteoporosis at any site on follow-up. The percentage decline over 2 years in BMD in women with insomnia was significantly (p < 0.001) higher at femoral neck (2.9 [1.6] versus 1.2 [1.2]%) and lumbar spine (4.5 [2.0] versus 1.6 [1.1]%). The decrement in TBS was also significantly higher (p < 0.001) in women with suboptimal sleep (1.5 [2.1] versus 0.5 [1.0] %) when compared with those with adequate sleep. The increment in CTX (46.4 [32.2] versus 18.9 [26.4]) and decrement in P1NP (35.4 [9.1] versus 16.7 [18.9]), respectively, were also greater (p < 0.001) in women with insomnia compared with those without. On multivariate analysis, insomnia was the sole factor that was predictive (adjusted odds ratio [OR] = 9.3; 95% confidence interval [CI] 2.9-29.6; p < 0.001) of incident osteoporosis. In conclusion, poor sleep quality was associated with incident osteoporosis in Indian postmenopausal women. Optimal sleep may help to retard ongoing bone loss that results from sleep deprivation and requires further research. © 2022 American Society for Bone and Mineral Research (ASBMR).
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Affiliation(s)
- Kripa Elizabeth Cherian
- Department of Endocrinology, Diabetes and Metabolism, Christian Medical College and Hospital, Vellore, India
| | - Nitin Kapoor
- Department of Endocrinology, Diabetes and Metabolism, Christian Medical College and Hospital, Vellore, India
| | - Thomas Vizhalil Paul
- Department of Endocrinology, Diabetes and Metabolism, Christian Medical College and Hospital, Vellore, India
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Hart DA, Zernicke RF, Shrive NG. Homo sapiens May Incorporate Daily Acute Cycles of “Conditioning–Deconditioning” to Maintain Musculoskeletal Integrity: Need to Integrate with Biological Clocks and Circadian Rhythm Mediators. Int J Mol Sci 2022; 23:ijms23179949. [PMID: 36077345 PMCID: PMC9456265 DOI: 10.3390/ijms23179949] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 08/17/2022] [Accepted: 08/29/2022] [Indexed: 12/02/2022] Open
Abstract
Human evolution required adaptation to the boundary conditions of Earth, including 1 g gravity. The bipedal mobility of Homo sapiens in that gravitational field causes ground reaction force (GRF) loading of their lower extremities, influencing the integrity of the tissues of those extremities. However, humans usually experience such loading during the day and then a period of relative unloading at night. Many studies have indicated that loading of tissues and cells of the musculoskeletal (MSK) system can inhibit their responses to biological mediators such as cytokines and growth factors. Such findings raise the possibility that humans use such cycles of acute conditioning and deconditioning of the cells and tissues of the MSK system to elaborate critical mediators and responsiveness in parallel with these cycles, particularly involving GRF loading. However, humans also experience circadian rhythms with the levels of a number of mediators influenced by day/night cycles, as well as various levels of biological clocks. Thus, if responsiveness to MSK-generated mediators also occurs during the unloaded part of the daily cycle, that response must be integrated with circadian variations as well. Furthermore, it is also possible that responsiveness to circadian rhythm mediators may be regulated by MSK tissue loading. This review will examine evidence for the above scenario and postulate how interactions could be both regulated and studied, and how extension of the acute cycles biased towards deconditioning could lead to loss of tissue integrity.
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Affiliation(s)
- David A. Hart
- Department of Surgery, University of Calgary, Calgary, AB T2N 4N1, Canada
- McCaig Institute for Bone & Joint Health Research, University of Calgary, Calgary, AB T2N 4N1, Canada
- Faculty of Kinesiology, University of Calgary, Calgary, AB T2N 1N4, Canada
- Bone & Joint Health Strategic Clinical Network, Alberta Health Services, Edmonton, AB T5J 3E4, Canada
- Correspondence:
| | - Ronald F. Zernicke
- Department of Orthopaedic Surgery, University of Michigan, Ann Arbor, MI 48109-5328, USA
- School of Kinesiology, University of Michigan, Ann Arbor, MI 48108-1048, USA
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109-2099, USA
| | - Nigel G. Shrive
- Department of Surgery, University of Calgary, Calgary, AB T2N 4N1, Canada
- McCaig Institute for Bone & Joint Health Research, University of Calgary, Calgary, AB T2N 4N1, Canada
- Department of Civil Engineering, Schulich School of Engineering, University of Calgary, Calgary, AB T2N 4V8, Canada
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11
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Panahi N, Fahimfar N, Roshani S, Arjmand B, Gharibzadeh S, Shafiee G, Migliavacca E, Breuille D, Feige JN, Grzywinski Y, Corthesy J, Razi F, Heshmat R, Nabipour I, Farzadfar F, Soltani A, Larijani B, Ostovar A. Association of amino acid metabolites with osteoporosis, a metabolomic approach: Bushehr elderly health program. Metabolomics 2022; 18:63. [PMID: 35915271 DOI: 10.1007/s11306-022-01919-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Accepted: 07/07/2022] [Indexed: 11/25/2022]
Abstract
INTRODUCTION AND OBJECTIVES Amino acids are the most frequently reported metabolites associated with low bone mineral density (BMD) in metabolomics studies. We aimed to evaluate the association between amino acid metabolic profile and bone indices in the elderly population. METHODS 400 individuals were randomly selected from 2384 elderly men and women over 60 years participating in the second stage of the Bushehr elderly health (BEH) program, a population-based prospective cohort study that is being conducted in Bushehr, a southern province of Iran. Frozen plasma samples were used to measure 29 amino acid and derivatives metabolites using the UPLC-MS/MS-based targeted metabolomics platform. We conducted Elastic net regression analysis to detect the metabolites associated with BMD of different sites and lumbar spine trabecular bone score, and also to examine the ability of the measured metabolites to differentiate osteoporosis. RESULTS We adjusted the analysis for possible confounders (age, BMI, diabetes, smoking, physical activity, vitamin D level, and sex). Valine, leucine, isoleucine, and alanine in women and tryptophan in men were the most important amino acids inversely associated with osteoporosis (OR range from 0.77 to 0.89). Sarcosine, followed by tyrosine, asparagine, alpha aminobutyric acid, and ADMA in women and glutamine in men and when both women and men were considered together were the most discriminating amino acids detected in individuals with osteoporosis (OR range from 1.15 to 1.31). CONCLUSION We found several amino acid metabolites associated with possible bone status in elderly individuals. Further studies are required to evaluate the utility of these metabolites as clinical biomarkers for osteoporosis prediction and their effect on bone health as dietary supplements.
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Affiliation(s)
- Nekoo Panahi
- Metabolic Disorders Research Center, Endocrinology and Metabolism Molecular-Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Noushin Fahimfar
- Osteoporosis Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Shahin Roshani
- Non-Communicable Diseases Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
- The Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Babak Arjmand
- Metabolomics and Genomics Research Center, Endocrinology and Metabolism Molecular-Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Safoora Gharibzadeh
- Department of Epidemiology and Biostatistics, Research Centre for Emerging and Reemerging Infectious Diseases, Pasteur Institute of Iran, Tehran, Iran
| | - Gita Shafiee
- Chronic Diseases Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Eugenia Migliavacca
- Nestlé Institute of Health Sciences, Nestlé Research, CH-1015, Lausanne, Switzerland
| | - Denis Breuille
- Nestlé Institute of Health Sciences, Nestlé Research, CH-1015, Lausanne, Switzerland
| | - Jerome N Feige
- Nestlé Institute of Health Sciences, Nestlé Research, CH-1015, Lausanne, Switzerland
| | - Yohan Grzywinski
- Institute of Food Safety and Analytical Science, Nestlé Research, CH-1015, Lausanne, Switzerland
| | - John Corthesy
- Institute of Food Safety and Analytical Science, Nestlé Research, CH-1015, Lausanne, Switzerland
| | - Farideh Razi
- Diabetes Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Ramin Heshmat
- Chronic Diseases Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Iraj Nabipour
- The Persian Gulf Marine Biotechnology Research Center, The Persian Gulf Biomedical Sciences Research Institute, Bushehr University of Medical Sciences, Bushehr, Iran
| | - Farshad Farzadfar
- Non-Communicable Diseases Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Akbar Soltani
- Evidence-Based Medicine Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Bagher Larijani
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran.
| | - Afshin Ostovar
- Osteoporosis Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran.
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Abstract
PURPOSE OF REVIEW Review recent literature investigating the relationship between bone health and sleep/circadian disruptions (e.g., abnormal sleep duration, night shift work). RECENT FINDINGS Short and long sleep are associated with low bone mineral density (BMD). Recent data from observational studies identified an increased risk of fracture in women with short sleep. Studies suggest that age, sex, weight change, and concurrent circadian misalignment may modify the effects of sleep restriction on bone metabolism. Interventional studies demonstrate alterations in bone metabolism and structure in response to circadian disruption that could underlie the increased fracture risk seen with night shift work. The effects of sleep and circadian disruption during adolescence may have lifelong skeletal consequences if they adversely impact bone modeling. Data suggest that short sleep and night shift work negatively impact bone metabolism and health. Rigorous studies of prevalent sleep and circadian disruptions are needed to determine mechanisms and develop prevention strategies to optimize lifelong skeletal health.
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Affiliation(s)
- Christine Swanson
- Division of Endocrinology, Metabolism and Diabetes, University of Colorado Anschutz Medical Campus, 12801 E. 17th Ave., Mail Stop 8106, Aurora, CO, 80045, USA.
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13
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Controlling the Progression of Curvature in Children and Adolescent Idiopathic Scoliosis Following the Administration of Melatonin, Calcium, and Vitamin D. CHILDREN 2022; 9:children9050758. [PMID: 35626935 PMCID: PMC9140159 DOI: 10.3390/children9050758] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Revised: 05/14/2022] [Accepted: 05/18/2022] [Indexed: 12/29/2022]
Abstract
Idiopathic scoliosis affects a severe number of children. Their quality of life and development are also disturbed. Some therapeutic strategies have been developed to control illness progression and to optimize the quality of life. In this perspective, randomized, case-control, interventional study, the impact of using melatonin, calcium, and vitamin D, respectively, on idiopathic scoliosis patients was analyzed. Our preliminary results showed that these drugs positively affected the illness progression quantified by the spine curvature. Patients with idiopathic scoliosis may benefit from a novel treatment by supplementation with vitamin D, calcium, and melatonin.
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Eftimie Totu E, Mănuc D, Totu T, Cristache CM, Buga RM, Erci F, Cristea C, Isildak I. Considerations on the Controlled Delivery of Bioactive Compounds through Hyaluronic Acid Membrane. MEMBRANES 2022; 12:membranes12030303. [PMID: 35323778 PMCID: PMC8949277 DOI: 10.3390/membranes12030303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Revised: 02/27/2022] [Accepted: 03/04/2022] [Indexed: 11/16/2022]
Abstract
(1) Background: The standard treatment for periodontal disease, a chronic inflammatory state caused by the interaction between biofilms generated by organized oral bacteria and the local host defense response, consists of calculus and biofilm removal through mechanical debridement, associated with antimicrobial therapy that could be delivered either systemically or locally. The present study aimed to determine the effectiveness of a hyaluronic acid membrane matrix as a carrier for the controlled release of the active compounds of a formulation proposed as a topical treatment for periodontal disease, and the influence of pH on the complex system’s stability. (2) Methods: The obtained hyaluronic acid (HA) hydrogel membrane with dispersed melatonin (MEL), metronidazole (MZ), and tetracycline (T) was completely characterized through FTIR, XRD, thermal analysis, UV-Vis and fluorescence spectroscopy, fluorescence microscopy, zeta potential and dielectric analysis. The MTT viability test was applied to check the cytotoxicity of the obtained membranes, while the microbiological assessment was performed against strains of Staphylococcus spp. and Streptococcus spp. The spectrophotometric investigations allowed to follow up the release profile from the HA matrix for MEL, MZ, and T present in the topical treatment considered. We studied the behavior of the active compounds against the pH of the generated environment, and the release profile of the bioactive formulation based on the specific comportment towards pH variation. The controlled delivery of the bioactive compounds using HA as a supportive matrix was modeled applying Korsmeyer–Peppas, Higuchi, first-order kinetic models, and a newly proposed pseudo-first-order kinetic model. (3) Results: It was observed that MZ and T were released at higher active concentrations than MEL when the pH was increased from 6.75, specific for patients with periodontitis, to a pH of 7.10, characterizing the healthy patients. Additionally, it was shown that for MZ, there is a burst delivery up to 2.40 × 10−5 mol/L followed by a release decrease, while for MEL and T a short release plateau was recorded up to a concentration of 1.80 × 10−5 mol/L for MEL and 0.90 × 10−5 mol/L for T, followed by a continuous release; (4) Conclusions: The results are encouraging for the usage of the HA membrane matrix as releasing vehicle for the active components of the proposed topical treatment at a physiological pH.
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Affiliation(s)
- Eugenia Eftimie Totu
- Department of Analytical Chemistry and Environmental Engineering, University Politehnica of Bucharest, 1–7 Polizu St., 011061 Bucharest, Romania
- Correspondence: (E.E.T.); (D.M.)
| | - Daniela Mănuc
- Department of Public Health, Faculty of Dental Medicine, “Carol Davila” University of Medicine and Pharmacy, 8 Eroii Sanitari Blvd, 050474 Bucharest, Romania
- Correspondence: (E.E.T.); (D.M.)
| | - Tiberiu Totu
- School of Life Sciences, Ecole Polytechnique Fédèrale de Lausanne (EPFL), Route Cantonale, 1015 Lausanne, Switzerland; (T.T.); (R.-M.B.)
| | - Corina Marilena Cristache
- Department of Dental Techniques, Faculty of Midwifery and Nursing (FMAM), “Carol Davila” University of Medicine and Pharmacy, 8 Eroii Sanitari Blvd, 050474 Bucharest, Romania;
| | - Roxana-Mădălina Buga
- School of Life Sciences, Ecole Polytechnique Fédèrale de Lausanne (EPFL), Route Cantonale, 1015 Lausanne, Switzerland; (T.T.); (R.-M.B.)
| | - Fatih Erci
- Department of Biotechnology, Faculty of Science, Necmettin Erbakan University, Yeni Meram Boulevard Kasim Halife Street, Meram, Konya 42090, Turkey;
| | - Camelia Cristea
- Biotechnologies Center, University of Agriculture and Veterinary Medicine, 42 Blvd. Mărăşti, 011464 Bucharest, Romania;
| | - Ibrahim Isildak
- Department of Bioengineering, Yildiz Campus Barbaros Bulvari, Yildiz Technical University, Istanbul 34343, Turkey;
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15
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Balaji TM, Varadarajan S, Jagannathan R, Gupta AA, Raj AT, Patil S, Fageeh HI, Fageeh HN. Melatonin levels in periodontitis vs. the healthy state: A systematic review and meta-analysis. Oral Dis 2022; 28:284-306. [PMID: 33063408 DOI: 10.1111/odi.13679] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 10/02/2020] [Accepted: 10/07/2020] [Indexed: 02/06/2023]
Abstract
The aim was to provide a comprehensive qualitative and quantitative assessment of any potential differences in melatonin levels in periodontitis vs. the healthy state. The keyword combination "melatonin" AND "periodontitis" was searched in Web of Science, PubMed, and Scopus. Qualitative analysis and quantitative analysis were performed on articles satisfying the inclusion criteria. Only 14 studies were included in the systematic review, out of which only 10 had quantitative data compatible with a meta-analysis. Ten studies demonstrated low melatonin in periodontitis, three studies demonstrated an initial reduction in melatonin levels followed by elevation with worsening of periodontitis, and one study showed an elevation in melatonin levels in the transition from a healthy state to periodontitis. Grading of recommendations assessment, development, and evaluation revealed that all the included studies had low to very low overall evidence. The meta-analysis revealed a significant reduction (p < .0001) in salivary melatonin levels in chronic periodontitis (3.26 ± 3.44 pg/ml) compared with healthy controls (5.27 ± 5.39 pg/ml), with a mean difference of 2.65 ± 7.84 and a confidence interval of 1.94-3.36. The significantly lower salivary melatonin levels in periodontitis must be inferred with caution given the low quality of the included studies.
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Affiliation(s)
| | - Saranya Varadarajan
- Department of Oral Pathology and Microbiology, Sri Venkateswara Dental College and Hospital, Chennai, India
| | | | - Archana A Gupta
- Department of Oral Pathology and Microbiology, Dr. D. Y. Patil Dental College and Hospital, Dr.D.Y.Patil Vidyapeeth, Pune, India
| | - A Thirumal Raj
- Department of Oral Pathology and Microbiology, Sri Venkateswara Dental College and Hospital, Chennai, India
| | - Shankargouda Patil
- Department of Maxillofacial Surgery and Diagnostic Sciences, Division of Oral Pathology, College of Dentistry, Jazan University, Jazan, Saudi Arabia
| | - Hammam Ibrahim Fageeh
- Department of Preventive Dental Science, College of Dentistry, Jazan University, Jazan, Saudi Arabia
| | - Hytham N Fageeh
- Department of Preventive Dental Science, College of Dentistry, Jazan University, Jazan, Saudi Arabia
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16
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Melatonin and the Programming of Stem Cells. Int J Mol Sci 2022; 23:ijms23041971. [PMID: 35216086 PMCID: PMC8879213 DOI: 10.3390/ijms23041971] [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: 12/13/2021] [Revised: 02/03/2022] [Accepted: 02/08/2022] [Indexed: 02/06/2023] Open
Abstract
Melatonin interacts with various types of stem cells, in multiple ways that comprise stimulation of proliferation, maintenance of stemness and self-renewal, protection of survival, and programming toward functionally different cell lineages. These various properties are frequently intertwined but may not be always jointly present. Melatonin typically stimulates proliferation and transition to the mature cell type. For all sufficiently studied stem or progenitor cells, melatonin’s signaling pathways leading to expression of respective morphogenetic factors are discussed. The focus of this article will be laid on the aspect of programming, particularly in pluripotent cells. This is especially but not exclusively the case in neural stem cells (NSCs) and mesenchymal stem cells (MSCs). Concerning developmental bifurcations, decisions are not exclusively made by melatonin alone. In MSCs, melatonin promotes adipogenesis in a Wnt (Wingless-Integration-1)-independent mode, but chondrogenesis and osteogenesis Wnt-dependently. Melatonin upregulates Wnt, but not in the adipogenic lineage. This decision seems to depend on microenvironment and epigenetic memory. The decision for chondrogenesis instead of osteogenesis, both being Wnt-dependent, seems to involve fibroblast growth factor receptor 3. Stem cell-specific differences in melatonin and Wnt receptors, and contributions of transcription factors and noncoding RNAs are outlined, as well as possibilities and the medical importance of re-programming for transdifferentiation.
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17
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Liu HD, Ren MX, Li Y, Zhang RT, Ma NF, Li TL, Jiang WK, Zhou Z, Yao XW, Liu ZY, Yang M. Melatonin alleviates hydrogen peroxide induced oxidative damage in MC3T3-E1 cells and promotes osteogenesis by activating SIRT1. Free Radic Res 2022; 56:63-76. [PMID: 35109721 DOI: 10.1080/10715762.2022.2037580] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Oxidative stress is an important contributor to the development of osteoporosis. Melatonin, an indoleamine secreted by the pineal gland, has antioxidant properties. This study aims to explore whether melatonin can promote bone formation and elucidate the mechanisms underlying this process. In this study, we used an in vitro hydrogen peroxide (H2O2)-induced oxidative stress model in MC3T3-E1 cells and an in vivo ovariectomized osteoporotic bone defect model in rats to explore the protective effects of melatonin against osteoporotic bone defects along with the mechanism underlying these effects. We found that melatonin significantly increased alkaline phosphatase activity, mineralization capacity, and the expression of BMP2, RUNX2, and OPN in MC3T3-E1 cells treated with H2O2. Furthermore, melatonin was found to activate SIRT1, SIRT3 and inhibit p66Shc, reduce the intracellular reactive oxygen species levels, stabilize mitochondria, reduce malondialdehyde levels, increase superoxide dismutase activity, and reduce apoptosis in MC3T3-E1 cells treated with H2O2. Intriguingly, these effects could be reversed by the SIRT1 inhibitor EX527. In vivo experiments confirmed that melatonin improves the microstructure and bone mineral density of the distal femoral bone trabecula and promotes bone formation. Meanwhile, melatonin activated SIRT1, inhibited p66Shc and increased SIRT3 expression. Taken together, our findings showed that melatonin can restrain oxidative damage in MC3T3-E1 cells and promote osteogenesis by activating SIRT1 which regulate the activity of SIRT3 and inhibit the expression of p66Shc, suggesting that melatonin could be a potential therapeutic agent for osteoporosis-related bone metabolic diseases.
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Affiliation(s)
- He-Dong Liu
- Department of Trauma Orthopedics, The First Affiliated Hospital of Wannan Medical College, Yijishan Hospital, No.2, Zheshan Xi Road, Anhui 241001 Wuhu, People's Republic of China
| | - Mao-Xian Ren
- Department of Trauma Orthopedics, The First Affiliated Hospital of Wannan Medical College, Yijishan Hospital, No.2, Zheshan Xi Road, Anhui 241001 Wuhu, People's Republic of China
| | - Yang Li
- Department of Trauma Orthopedics, The First Affiliated Hospital of Wannan Medical College, Yijishan Hospital, No.2, Zheshan Xi Road, Anhui 241001 Wuhu, People's Republic of China
| | - Ruo-Tian Zhang
- Department of Trauma Orthopedics, The First Affiliated Hospital of Wannan Medical College, Yijishan Hospital, No.2, Zheshan Xi Road, Anhui 241001 Wuhu, People's Republic of China
| | - Neng-Feng Ma
- Department of Trauma Orthopedics, The First Affiliated Hospital of Wannan Medical College, Yijishan Hospital, No.2, Zheshan Xi Road, Anhui 241001 Wuhu, People's Republic of China
| | - Tian-Lin Li
- Department of Trauma Orthopedics, The First Affiliated Hospital of Wannan Medical College, Yijishan Hospital, No.2, Zheshan Xi Road, Anhui 241001 Wuhu, People's Republic of China
| | - Wen-Kai Jiang
- Department of Trauma Orthopedics, The First Affiliated Hospital of Wannan Medical College, Yijishan Hospital, No.2, Zheshan Xi Road, Anhui 241001 Wuhu, People's Republic of China
| | - Zhi Zhou
- Department of Trauma Orthopedics, The First Affiliated Hospital of Wannan Medical College, Yijishan Hospital, No.2, Zheshan Xi Road, Anhui 241001 Wuhu, People's Republic of China
| | - Xue-Wei Yao
- Department of Trauma Orthopedics, The First Affiliated Hospital of Wannan Medical College, Yijishan Hospital, No.2, Zheshan Xi Road, Anhui 241001 Wuhu, People's Republic of China
| | - Zhi-Yi Liu
- Department of Trauma Orthopedics, The First Affiliated Hospital of Wannan Medical College, Yijishan Hospital, No.2, Zheshan Xi Road, Anhui 241001 Wuhu, People's Republic of China
| | - Min Yang
- Department of Trauma Orthopedics, The First Affiliated Hospital of Wannan Medical College, Yijishan Hospital, No.2, Zheshan Xi Road, Anhui 241001 Wuhu, People's Republic of China
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Zheng S, Zhou C, Yang H, Li J, Feng Z, Liao L, Li Y. Melatonin Accelerates Osteoporotic Bone Defect Repair by Promoting Osteogenesis-Angiogenesis Coupling. Front Endocrinol (Lausanne) 2022; 13:826660. [PMID: 35273570 PMCID: PMC8902312 DOI: 10.3389/fendo.2022.826660] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Accepted: 01/18/2022] [Indexed: 01/10/2023] Open
Abstract
Previous studies have revealed that melatonin could play a role in anti-osteoporosis and promoting osteogenesis. However, the effects of melatonin treatment on osteoporotic bone defect and the mechanism underlying the effects of melatonin on angiogenesis are still unclear. Our study was aimed to investigate the potential effects of melatonin on angiogenesis and osteoporotic bone defect. Bone marrow mesenchymal stem cells (BMSCs) were isolated from the femur and tibia of rats. The BMSC osteogenic ability was assessed using alkaline phosphatase (ALP) staining, alizarin red S staining, qRT-PCR, western blot, and immunofluorescence. BMSC-mediated angiogenic potentials were determined using qRT-PCR, western blot, enzyme-linked immunosorbent assay, immunofluorescence, scratch wound assay, transwell migration assay, and tube formation assay. Ovariectomized (OVX) rats with tibia defect were used to establish an osteoporotic bone defect model and then treated with melatonin. The effects of melatonin treatment on osteoporotic bone defect in OVX rats were analyzed using micro-CT, histology, sequential fluorescent labeling, and biomechanical test. Our study showed that melatonin promoted both osteogenesis and angiogenesis in vitro. BMSCs treated with melatonin indicated higher expression levels of osteogenesis-related markers [ALP, osteocalcin (OCN), runt-related transcription factor 2, and osterix] and angiogenesis-related markers [vascular endothelial growth factor (VEGF), angiopoietin-2, and angiopoietin-4] compared to the untreated group. Significantly, melatonin was not able to facilitate human umbilical vein endothelial cell angiogenesis directly, but it possessed the ability to promote BMSC-mediated angiogenesis by upregulating the VEGF levels. In addition, we further found that melatonin treatment increased bone mineralization and formation around the tibia defect in OVX rats compared with the control group. Immunohistochemical staining indicated higher expression levels of osteogenesis-related marker (OCN) and angiogenesis-related markers (VEGF and CD31) in the melatonin-treated OVX rats. Then, it showed that melatonin treatment also increased the bone strength of tibia defect in OVX rats, with increased ultimate load and stiffness, as performed by three-point bending test. In conclusion, our study demonstrated that melatonin could promote BMSC-mediated angiogenesis and promote osteogenesis-angiogenesis coupling. We further found that melatonin could accelerate osteoporotic bone repair by promoting osteogenesis and angiogenesis in OVX rats. These findings may provide evidence for the potential application of melatonin in osteoporotic bone defect.
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Affiliation(s)
- Sheng Zheng
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
| | - Chunhao Zhou
- Department of Orthopedics-Spine Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Han Yang
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
| | - Junhua Li
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
| | - Ziyu Feng
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
| | - Liqing Liao
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
| | - Yikai Li
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
- *Correspondence: Yikai Li,
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19
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Lu KH, Lu PWA, Lu EWH, Tang CH, Su SC, Lin CW, Yang SF. The potential remedy of melatonin on osteoarthritis. J Pineal Res 2021; 71:e12762. [PMID: 34435392 DOI: 10.1111/jpi.12762] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 08/16/2021] [Accepted: 08/21/2021] [Indexed: 01/15/2023]
Abstract
Osteoarthritis (OA), the most common arthritis worldwide, is a degenerative joint disease characterized by progressive cartilage breakdown, subchondral remodeling, and synovial inflammation. Although conventional pharmaceutical therapies aimed to prevent further cartilage loss and joint dysfunction, there are no ideal strategies that target the pathogenesis of OA. Melatonin exhibits a variety of regulatory properties by binding to specific receptors and downstream molecules and exerts a myriad of receptor-independent actions via intracellular targets as a chondrocyte protector, an anti-inflammation modulator, and a free radical scavenger. Melatonin also modulates cartilage regeneration and degradation by directly/indirectly regulating the expression of main circadian clock genes, such as transcriptional activators [brain and muscle aryl hydrocarbon receptor nuclear translocator-like protein (Bmal) and circadian locomotor output cycles kaput (Clock)], transcriptional repressors [period circadian regulator (Per)1/2, cryptochrome (Cry)1/2, and Dec2], and nuclear hormone receptors [Rev-Erbs and retinoid acid-related orphan receptors (Rors)]. Owing to its effects on cartilage homeostasis, we propose a potential role for melatonin in the prevention and therapy of OA via the modulation of circadian clock genes, mitigation of chondrocyte apoptosis, anti-inflammatory activity, and scavenging of free radicals.
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Affiliation(s)
- Ko-Hsiu Lu
- Department of Orthopedics, Chung Shan Medical University Hospital, Taichung, Taiwan
- School of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | | | | | - Chih-Hsin Tang
- School of Medicine, China Medical University, Taichung, Taiwan
- Department of Medical Laboratory Science and Biotechnology, College of Medical and Health Science, Asia University, Taichung, Taiwan
| | - Shih-Chi Su
- Whole-Genome Research Core Laboratory of Human Diseases, Chang Gung Memorial Hospital, Keelung, Taiwan
- Department of Dermatology, Drug Hypersensitivity Clinical and Research Center, Chang Gung Memorial Hospital, Taipei, Linkou and Keelung, Taiwan
| | - Chiao-Wen Lin
- Institute of Oral Sciences, Chung Shan Medical University, Taichung, Taiwan
- Department of Dentistry, Chung Shan Medical University Hospital 402, Taichung, Taiwan
| | - Shun-Fa Yang
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
- Department of Medical Research, Chung Shan Medical University Hospital, Taichung, Taiwan
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20
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Zhang J, Jia G, Xue P, Li Z. Melatonin restores osteoporosis-impaired osteogenic potential of bone marrow mesenchymal stem cells and alleviates bone loss through the HGF/ PTEN/ Wnt/β-catenin axis. Ther Adv Chronic Dis 2021; 12:2040622321995685. [PMID: 34457228 PMCID: PMC8392808 DOI: 10.1177/2040622321995685] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Accepted: 01/26/2021] [Indexed: 01/04/2023] Open
Abstract
Background: Previous studies reported that melatonin exerts its effect on mesenchymal stem cell (MSC) survival and differentiation into osteogenic and adipogenic lineage. In the current study we aimed to explore the effect of melatonin on osteoporosis and relevant mechanisms. Methods: Real-time qualitative polymerase chain reaction (RT-qPCR) and Western blot analysis were conducted to determine expression of HGF, PTEN, and osteoblast differentiation-related genes in ovariectomy (OVX)-induced osteoporosis mice and the isolated bone marrow MSCs (BMSCs). Pre-conditioning with melatonin (1 μmol/l, 10 μmol/l and 100 μmol/l) was carried out in OVX mice BMSCs. Bone microstructure was analyzed using micro-computed tomography and the contents of alkaline phosphatase (ALP) and tartrate-resistant acid phosphatase 5b (TRAP5b) were detected by enzyme-linked immunosorbent assay in serum. BMSC proliferation was measured by cell-counting kit (CCK)-8 assay. Alizarin red S (ARS) staining and ALP activity assay were performed to assess BMSC mineralization and calcification. The activity of the Wnt/β-catenin pathway was evaluated by dual-luciferase reporter assay. Results: Melatonin prevented bone loss in OVX mice. Melatonin increased ALP expression and reduced TRAP5b expression. HGF and β-catenin were downregulated, while PTEN was upregulated in the femur of OVX mice. Melatonin elevated HGF expression and then stimulated BMSC proliferation and osteogenic differentiation. Additionally, HGF diminished the expression of PTEN, resulting in activated Wnt/β-catenin pathway both in vitro and in vivo. Furthermore, melatonin was shown to ameliorate osteoporosis in OVX mice via the HGF/PTEN/Wnt/β-catenin axis. Conclusion: Melatonin could potentially enhance osteogenic differentiation of BMSCs and retard bone loss through the HGF/PTEN/Wnt/β-catenin axis.
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Affiliation(s)
- Jun Zhang
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, P.R. China
| | - Guoliang Jia
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, P.R. China
| | - Pan Xue
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, P.R. China
| | - Zhengwei Li
- Department of Orthopedics, The Second Hospital of Jilin University, No. 218, Ziqiang Road, Changchun, Jilin Province 130041, P.R. China
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21
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Liang ZT, Guo CF, Li J, Zhang HQ. The role of endocrine hormones in the pathogenesis of adolescent idiopathic scoliosis. FASEB J 2021; 35:e21839. [PMID: 34387890 DOI: 10.1096/fj.202100759r] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 07/21/2021] [Accepted: 07/21/2021] [Indexed: 11/11/2022]
Abstract
Adolescent idiopathic scoliosis (AIS) is a common spinal deformity characterized by changes in the three-dimensional structure of the spine. It usually initiates during puberty, the peak period of human growth when the secretion of numerous hormones is changing, and it is more common in females than in males. Accumulating evidence shows that the abnormal levels of many hormones including estrogen, melatonin, growth hormone, leptin, adiponectin and ghrelin, may be related to the occurrence and development of AIS. The purpose of this review is to provide a summary and critique of the research published on each hormone over the past 20 years, and to highlight areas for future study. It is hoped that the presentation will help provide a better understanding of the role of endocrine hormones in the pathogenesis of AIS.
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Affiliation(s)
- Zhuo-Tao Liang
- Department of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Chao-Feng Guo
- Department of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Jiong Li
- Department of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Hong-Qi Zhang
- Department of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
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22
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Munmun F, Witt-Enderby PA. Melatonin effects on bone: Implications for use as a therapy for managing bone loss. J Pineal Res 2021; 71:e12749. [PMID: 34085304 DOI: 10.1111/jpi.12749] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Revised: 05/22/2021] [Accepted: 05/31/2021] [Indexed: 02/06/2023]
Abstract
Melatonin is the primary circadian output signal from the brain and is mainly synthesized in pinealocytes. The rhythm and secretion of melatonin are under the control of an endogenous oscillator located in the SCN or the master biological clock. Disruptions in circadian rhythms by shift work, aging, or light at night are associated with bone loss and increased fracture risk. Restoration of nocturnal melatonin peaks to normal levels or therapeutic levels through timed melatonin supplementation has been demonstrated to provide bone-protective actions in various models. Melatonin is a unique molecule with diverse molecular actions targeting melatonin receptors located on the plasma membrane or mitochondria or acting independently of receptors through its actions as an antioxidant or free radical scavenger to stimulate osteoblastogenesis, inhibit osteoclastogenesis, and improve bone density. Its additional actions on entraining circadian rhythms and improving quality of life in an aging population coupled with its safety profile make it an ideal therapeutic candidate for protecting against bone loss in susceptible populations. The intent of this review is to provide a focused discussion on bone loss and disorders of the bone as it relates to melatonin and conditions that modify melatonin levels with the hope that future therapies include those that include melatonin and correct those factors that modify melatonin levels like circadian disruption.
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Affiliation(s)
- Fahima Munmun
- Division of Pharmaceutical Sciences, Duquesne University School of Pharmacy, Pittsburgh, PA, USA
| | - Paula A Witt-Enderby
- Division of Pharmaceutical Sciences, Duquesne University School of Pharmacy, Pittsburgh, PA, USA
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Abstract
PURPOSE OF REVIEW This review briefly summarizes the growing body of literature addressing the skeletal consequences of sleep and circadian disruption. RECENT FINDINGS The most recent data in the field suggest that the diurnal variation in bone turnover markers are because of endogenous circadian rhythmicity linked to clock genes in all bone cells; in a small human intervention study, cumulative sleep restriction with concurrent circadian disruption negatively alter bone turnover markers in a way that could explain the lower BMD and increased fracture risk identified in some prior night shift work studies; abnormal sleep duration and obstructive sleep apnea are associated with low BMD and increased fracture risk in some but not all studies. SUMMARY Normal physiology and some animal and human intervention studies suggest that sleep and circadian disruptions, such as night shift work, abnormal sleep durations and obstructive sleep apnea are detrimental to skeletal health. However, additional research in this area is needed to determine which sleep/circadian disturbances are most detrimental to skeletal health, the reversibility of such impairments, and underlying mechanisms.
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Affiliation(s)
- Christine M Swanson
- Division of Endocrinology, Metabolism and Diabetes, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
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24
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Huang J, Li Y, He C. Melatonin as a Trigger of Therapeutic Bone Regenerating Capacity in Biomaterials. Curr Pharm Biotechnol 2021; 23:707-718. [PMID: 34250874 DOI: 10.2174/1389201022666210709145347] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 05/17/2021] [Accepted: 05/17/2021] [Indexed: 02/08/2023]
Abstract
Bone defects are usually treated with bone grafting. Several synthetic biomaterials have emerged to replace autologous and allogeneic bone grafts, but there are still shortcomings in bone regeneration. Melatonin has demonstrated a beneficial effect on bone metabolism with the potential to treat fractures, bone defects, and osteoporosis. The hormone promoted osteogenesis, inhibited osteoclastogenesis, stimulated angiogenesis, and reduced peri-implantitis around the graft. Recently, a growing number of studies showed beneficial effects of melatonin to treat bone defects. However, cellular and molecular mechanisms involved in bone healing are still poorly understood. In this review, we recapitulate the potential mechanisms of melatonin, providing a new horizon to the clinical treatment of bone defects.
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Affiliation(s)
- Jinming Huang
- Department of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Yi Li
- Department of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Chengqi He
- Department of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu, China
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25
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Balaji TM, Varadarajan S, Jagannathan R, Mahendra J, Fageeh HI, Fageeh HN, Mushtaq S, Baeshen HA, Bhandi S, Gupta AA, Raj AT, Reda R, Patil S, Testarelli L. Melatonin as a Topical/Systemic Formulation for the Management of Periodontitis: A Systematic Review. MATERIALS 2021; 14:ma14092417. [PMID: 34066498 PMCID: PMC8124881 DOI: 10.3390/ma14092417] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 04/29/2021] [Accepted: 05/02/2021] [Indexed: 01/23/2023]
Abstract
Objectives: To qualitatively and quantitatively review the use of melatonin as a topical/systemic formulation for the management of periodontitis. Materials and methods: PubMed; Scopus; and Web of Science databases were searched using the MesH terms “melatonin” and “periodontitis”. Title and abstracts were screened to eliminate irrelevant and duplicate articles. The full text data of the screened articles were assessed using the selection criteria. Results: Of 176 identified articles (PubMed-66; Scopus-56; Web of Science-52; Cross-reference-2), only 12 studies qualified to be included in the systematic review. Four studies assessed the independent effect of 1% topical melatonin formulation while 8 articles assessed the adjunctive use of systemic melatonin formulation (1–10 mg) following scaling and root planing (SRP). All studies showed an improvement in periodontal parameters such as pocket depth, clinical attachment loss, periodontal disease index, community periodontal index, gingival bleeding scores, and prognostic marker levels in saliva and serum. A meta-analysis of data from 2 studies revealed that 1–2 mg (systemic) melatonin supplementation reduced pocket depth; although the difference was not statistically significant and hence cannot be interpreted or used for conclusive evidence. Risk of Bias Assessment tool (RoBANS) and Cochrane Collaboration RoB tool elicited a high risk of bias in the included studies. GRADE (recommendation assessment, development, and evaluation) inferred a weak recommendation for the use of melatonin in periodontitis management. Conclusions: Melatonin supplementation (topical and systemic) in periodontitis patients improved key periodontal parameters including pocket depth and clinical attachment loss. Clinical relevance: Melatonin could be a potential host modulatory agent for periodontitis management; although the data from the present review should be interpreted carefully due to the associated high risk of bias.
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Affiliation(s)
- Thodur Madapusi Balaji
- Department of Dentistry, Bharathiraja Hospital and Research Institute, Chennai 600017, India;
| | - Saranya Varadarajan
- Department of Oral Pathology and Microbiology, Sri Venkateswara Dental College and Hospital, Chennai 600130, India; (S.V.); (A.T.R.)
| | | | - Jaideep Mahendra
- Department of Periodontology, Meenakshi Ammal Dental College, Meenakshi Academy of Higher Education and Research, Chennai 600095, India;
| | - Hammam Ibrahim Fageeh
- Department of Preventive Dental Science, College of Dentistry, Jazan University, Jazan 45412, Saudi Arabia; (H.I.F.); (H.N.F.)
| | - Hytham N. Fageeh
- Department of Preventive Dental Science, College of Dentistry, Jazan University, Jazan 45412, Saudi Arabia; (H.I.F.); (H.N.F.)
| | - Shazia Mushtaq
- Dental Health Department, College of Applied Medical Sciences, King Saud University, Riyadh 11362, Saudi Arabia;
| | - Hosam Ali Baeshen
- Department of Orthodontics, College of Dentistry, King Abdulaziz University, Jeddah 21589, Saudi Arabia;
| | - Shilpa Bhandi
- Department of Restorative Dental Sciences, Division of Operative Dentistry, College of Dentistry, Jazan University, Jazan 45412, Saudi Arabia;
| | - Archana A. Gupta
- Department of Oral Pathology and Microbiology, Dr. D. Y. Patil Dental College and Hospital Dr. D. Y. Patil Vidyapeeth, Pune 411018, India;
| | - A. Thirumal Raj
- Department of Oral Pathology and Microbiology, Sri Venkateswara Dental College and Hospital, Chennai 600130, India; (S.V.); (A.T.R.)
| | - Rodolfo Reda
- Department of Oral and Maxillofacial Sciences, Sapienza University of Rome, 00161 Rome, Italy; (R.R.); (L.T.)
| | - Shankaragouda Patil
- Department of Maxillofacial Surgery and Diagnostic Sciences, Division of Oral Pathology, College of Dentistry, Jazan University, Jazan 45412, Saudi Arabia
- Correspondence:
| | - Luca Testarelli
- Department of Oral and Maxillofacial Sciences, Sapienza University of Rome, 00161 Rome, Italy; (R.R.); (L.T.)
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26
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Bizzarri M. Advances in Characterizing Recently-Identified Molecular Actions of Melatonin: Clinical Implications. APPROACHING COMPLEX DISEASES 2020. [PMCID: PMC7164543 DOI: 10.1007/978-3-030-32857-3_14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Melatonin, N-acetyl-5-methoxy-tryptamine, was discovered to be a product of serotonin metabolism in the mammalian pineal gland where its synthesis is under control of the light:dark cycle. Besides its regulatory pathway involving ganglion cells in the retina, the neural connections between the eyes and the pineal gland include the master circadian clock, the suprachiasmatic nuclei, and the central and peripheral nervous systems. Since pineal melatonin is released into the blood and into the cerebrospinal fluid, it has access to every cell in an organism and it mediates system-wide effects. Subsequently, melatonin was found in several extrapineal organs and, more recently, perhaps in every cell of every organ. In contrast to the pinealocytes, non-pineal cells do not discharge melatonin into the blood; rather it is used locally in an intracrine, autocrine, or paracrine manner. Melatonin levels in non-pineal cells do not exhibit a circadian rhythm and do not depend on circulating melatonin concentrations although when animals are treated with exogenous melatonin it is taken up by presumably all cells. Mitochondria are the presumed site of melatonin synthesis in all cells; the enzymatic machinery for melatonin synthesis has been identified in mitochondria. The association of melatonin with mitochondria, because of its ability to inhibit oxidative stress, is very fortuitous since these organelles are a major site of damaging reactive oxygen species generation. In this review, some of the actions of non-pineal-derived melatonin are discussed in terms of cellular and subcellular physiology.
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Affiliation(s)
- Mariano Bizzarri
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
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27
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Knani L, Venditti M, Kechiche S, Banni M, Messaoudi I, Minucci S. Melatonin protects bone against cadmium-induced toxicity via activation of Wnt/β-catenin signaling pathway. Toxicol Mech Methods 2019; 30:237-245. [PMID: 31809235 DOI: 10.1080/15376516.2019.1701595] [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] [Indexed: 12/20/2022]
Abstract
Among heavy metals, cadmium (Cd) is one of the most toxic for health due to it accumulation in several tissues including bone. Since melatonin (MLT) favors new bone formation through several pathways including Wnt/β-catenin, here we assessed whether MLT has a protective role against Cd induced toxicity in the rat bone tissue. Adult male Wistar rats receiving 50 mg CdCl2/L and/or 3 mg/L MLT were used and were sacrificed 30 days after the treatment. Femurs and plasma were collected and analyzed by various biochemicals, molecular and histological investigation. The results showed that Cd exposure induced bone disorder characterized by histopathological alterations, a decreased alkaline phosphatase activity and plasmatic concentration of osteocalcin. Moreover, also the expression levels of some osteogenic-related genes (Runx2, Ocn and Alp) were down-regulated after Cd treatment. Since mechanistically Cd toxicity reduced the Kinase activity of GSK3β and protein levels of Wnt3a and β-catenin, we observed that MLT administration significantly ameliorated the toxic effects induced by the metal. Our findings provide clues about a potential protective effect of MLT against Cd-induced bone metabolism destruction and that the protection was partially mediated via the Wnt/β-catenin signaling pathway.
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Affiliation(s)
- Latifa Knani
- LR11ES41: Génétique, Biodiversité et Valorisation des Bioressources, Institut Supérieur de Biotechnologie, Université de Monastir, Monastir, Tunisia
| | - Massimo Venditti
- Dipartimento di Medicina Sperimentale, Sez. Fisiologia Umana e Funzioni Biologiche Integrate "F. Bottazzi", Università della Campania "Luigi Vanvitelli", Napoli, Italy
| | - Safa Kechiche
- LR11ES41: Génétique, Biodiversité et Valorisation des Bioressources, Institut Supérieur de Biotechnologie, Université de Monastir, Monastir, Tunisia
| | - Mohamed Banni
- UR13AGR08: Biochimie et Ecotoxicologie, ISA Chott-Mariem, Université de Sousse, Sousse, Tunisia
| | - Imed Messaoudi
- LR11ES41: Génétique, Biodiversité et Valorisation des Bioressources, Institut Supérieur de Biotechnologie, Université de Monastir, Monastir, Tunisia
| | - Sergio Minucci
- Dipartimento di Medicina Sperimentale, Sez. Fisiologia Umana e Funzioni Biologiche Integrate "F. Bottazzi", Università della Campania "Luigi Vanvitelli", Napoli, Italy
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28
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Zhu G, Ma B, Dong P, Shang J, Gu X, Zi Y. Melatonin promotes osteoblastic differentiation and regulates PDGF/AKT signaling pathway. Cell Biol Int 2019; 44:402-411. [PMID: 31535749 DOI: 10.1002/cbin.11240] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2019] [Accepted: 09/15/2019] [Indexed: 11/10/2022]
Affiliation(s)
- Guiling Zhu
- Graduate Training Base of Jinzhou Medical University 463 Hospital of Chinese PLA Shenyang Liaoning 110042 People’s Republic of China
| | - Bin Ma
- Division of Spine Surgery, Department of Orthopaedics, Tongji HospitalTongji University School of Medicine Shanghai 200065 People's Republic of China
| | - Penghong Dong
- Graduate Training Base of Jinzhou Medical University 463 Hospital of Chinese PLA Shenyang Liaoning 110042 People’s Republic of China
| | - Junjun Shang
- Graduate Training Base of Jinzhou Medical University 463 Hospital of Chinese PLA Shenyang Liaoning 110042 People’s Republic of China
| | - Xiaochuan Gu
- Department of Orthopedics, Changhai HospitalSecond Military Medical University Shanghai 200433 People's Republic of China
| | - Ying Zi
- Department of Emergency MedicineGraduate Training Base of Jinzhou Medical University463 Hospital of Chinese PLA Shenyang Liaoning 110042 People's Republic of China
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29
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Nakano M, Ikegame M, Igarashi-Migitaka J, Maruyama Y, Suzuki N, Hattori A. Suppressive effect of melatonin on osteoclast function via osteocyte calcitonin. J Endocrinol 2019; 242:13-23. [PMID: 31042672 DOI: 10.1530/joe-18-0707] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Accepted: 04/30/2019] [Indexed: 01/13/2023]
Abstract
Many studies have investigated the actions of melatonin on osteoblasts and osteoclasts. However, the underlying mechanisms, especially regarding osteocyte function, remain largely unknown. Therefore, this study aimed to clarify the underlying mechanisms of melatonin action on bone tissue via osteocyte function. Chick calvariae were employed as a model. In ovo injection of melatonin (5, 50 and 500 µg) dose-dependently decreased the mRNA expression levels of cathepsin K and matrix metalloproteinase 9 (MMP9) in chick calvariae without affecting the expression levels of receptor activator of NF-κB ligand or osteoprotegerin. Surprisingly enough, the expression of calcitonin mRNA in chick calvariae was significantly raised. After 3 days of in vitro treatment of melatonin (10-7 and 10-5 M) on newly hatched chick calvariae, both calcitonin mRNA expression in calvariae and the concentration of calcitonin in cultured medium were augmented in a dose-dependent manner, coincident with the decreased mRNA expression levels of cathepsin K and MMP9. Immunohistochemical analyses revealed expression of melatonin receptors and calcitonin by osteocytes buried in bone matrix. Moreover, the mRNA expression levels of melatonin receptors, calcitonin and sclerostin (a marker of osteocyte), were strongly and positively correlated. In conclusion, we demonstrated the expression of melatonin receptors and calcitonin expression in osteocytes for the first time and suggest a new mechanism underlying the suppressive effect of melatonin on osteoclasts via upregulation of calcitonin secretion by osteocytes.
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Affiliation(s)
- Masaki Nakano
- Department of Biology, College of Liberal Arts and Sciences, Tokyo Medical and Dental University, Chiba, Japan
- Department of Biology, Faculty of Science, Toho University, Chiba, Japan
| | - Mika Ikegame
- Department of Oral Morphology, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan
| | - Junko Igarashi-Migitaka
- Department of Anatomy and Cell Biology, St. Marianna University School of Medicine, Kawasaki, Japan
| | - Yusuke Maruyama
- Department of Biology, College of Liberal Arts and Sciences, Tokyo Medical and Dental University, Chiba, Japan
| | - Nobuo Suzuki
- Noto Marine Laboratory, Institute of Nature and Environmental Technology, Kanazawa University, Ishikawa, Japan
| | - Atsuhiko Hattori
- Department of Biology, College of Liberal Arts and Sciences, Tokyo Medical and Dental University, Chiba, Japan
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30
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Nasiri E, Alizadeh A, Roushandeh AM, Gazor R, Hashemi-Firouzi N, Golipoor Z. Melatonin-pretreated adipose-derived mesenchymal stem cells efficeintly improved learning, memory, and cognition in an animal model of Alzheimer's disease. Metab Brain Dis 2019; 34:1131-1143. [PMID: 31129766 DOI: 10.1007/s11011-019-00421-4] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Accepted: 04/17/2019] [Indexed: 12/19/2022]
Abstract
Currently, mesenchymal stem cells (MSCs) based therapy has extensive attraction for Alzheimer's disease (AD). However, low survival rate of MSCs after transplantation is a huge challenging. The current study aimed to improve adipose-derived MSCs (AD-MSCs)-based therapy by their pre-treatment with melatonin (MT) 'a well-known antioxidant' in an animal model of AD. In this study, after isolating rat AD-MSCs from the epididymal white adipose tissues, the cells were pretreated with 5μM of MT for 24 hours. Forty male Wistar rats were randomly allocated to control, sham, amyloid-beta (Aβ) peptide, AD-MSCs and MT-pretreated ADMSCs groups. The novel object recognition, passive avoidance test, Morris water maze and open field test were performed two months following the cell transplantation. The rats were sacrificed 69 days following cell therapy. The brain tissues were removed for histopathological analysis and also immunohistochemistry was performed for two Aβ1-42 and Iba1 proteins. It has been revealed that both AD-MSCs and MT-AD-MSCs migrated to brain tissues after intravenous transplantation. However, MT-ADMSCs significantly improved learning, memory and cognition compared with AD-MSCs (P<0.05). Furthermore, clearance of Aβ deposition and reduction of microglial cells were significantly increased in the MT-ADMSCs compared with AD-MSCs. Although stem cell therapy has been introduced as a promising strategy in neurodegenerative diseases, however, its therapeutic properties are limited. It is suggested that pretreatment of MSCs with melatonin partly would increase the cells efficiency and consequently could decrease AD complication including memory and cognition.
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Affiliation(s)
- Ebrahim Nasiri
- Cellular and Molecular Research Center, Faculty of Medicine, Guilan University of Medical Sciences, Rasht, Iran
| | - Akram Alizadeh
- Department of Tissue Engineering and Applied Cell Sciences, Faculty of Medicine, Semnan University of Medical Sciences, Semnan, Iran
| | | | - Rouhollah Gazor
- Cellular and Molecular Research Center, Faculty of Medicine, Guilan University of Medical Sciences, Rasht, Iran
| | | | - Zoleikha Golipoor
- Cellular and Molecular Research Center, Faculty of Medicine, Guilan University of Medical Sciences, Rasht, Iran.
- Neurophysiology Research Center, Hamadan University of Medical Sciences, Hamadan, Iran.
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31
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Staab JS, Smith TJ, Wilson M, Montain SJ, Gaffney-Stomberg E. Bone turnover is altered during 72 h of sleep restriction: a controlled laboratory study. Endocrine 2019; 65:192-199. [PMID: 31028666 DOI: 10.1007/s12020-019-01937-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Accepted: 04/11/2019] [Indexed: 01/25/2023]
Abstract
PURPOSE The objective of the study was to evaluate how controlled, short-term sleep restriction (SR; 72 h) alters markers of bone formation and resorption and urinary calcium (Ca) output. METHODS Ten healthy, sleep-adequate, male soldiers were housed in the research facility one day prior to and for the duration of SR. Diet was controlled to provide adequate energy balance and macronutrient distribution, meeting the recommended dietary allowance (RDA) for Ca. Subjects engaged in light activities to maintain wakefulness and were allowed 2 h of sleep per night (0430-0630 hours). Blood samples were collected each morning at 0 h (baseline) and 24, 48, and 72 h of SR. Serum was assayed for parathyroid hormone (PTH), bone alkaline phosphatase (BAP), tartrate-resistant acid phosphatase (TRAP), and C-terminal telopeptide of type I collagen (CTX). Urine was collected in 24 h increments during SR for measurement of Ca and creatinine (Cr). RESULTS BAP was reduced at 24 h (P= 0.015) and resorption markers TRAP and CTX were increased after 48 and 72 h of SR compared to baseline (P < 0.05). The ratio of BAP:TRAP was significantly lower (P= 0.017) at 48 and 72 h of SR. In contrast, total 24 h urinary Ca and Ca/Cr excretion were unchanged. CONCLUSIONS Markers of bone formation and resorption are uncoupled in response to as little as 48 h of SR even when Ca intake is at the RDA. Sleep deprivation may be a risk factor for reduced bone health due to perturbations in bone turnover.
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Affiliation(s)
- Jeffery S Staab
- Military Performance Division, United States Army Research Institute of Environmental Medicine, Natick, MA, USA.
| | - Tracey J Smith
- Military Nutrition Division, United States Army Research Institute of Environmental Medicine, Natick, MA, USA
| | - Marques Wilson
- Military Nutrition Division, United States Army Research Institute of Environmental Medicine, Natick, MA, USA
| | - Scott J Montain
- Military Nutrition Division, United States Army Research Institute of Environmental Medicine, Natick, MA, USA
| | - Erin Gaffney-Stomberg
- Military Performance Division, United States Army Research Institute of Environmental Medicine, Natick, MA, USA
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Li X, Li Z, Wang J, Li Z, Cui H, Dai G, Chen S, Zhang M, Zheng Z, Zhan Z, Liu H. Wnt4 signaling mediates protective effects of melatonin on new bone formation in an inflammatory environment. FASEB J 2019; 33:10126-10139. [PMID: 31216173 DOI: 10.1096/fj.201900093rr] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Growing evidence shows that the inhibitory effect of inflammatory cytokines on new bone formation by osteogenic precursor cells is a critical cause of net bone-density reduction. Melatonin has been proven to be a potential therapeutic candidate for osteoporosis. However, whether it is capable of antagonizing the suppressing effect of inflammatory cytokines on osteogenic precursor cells is so far elusive. In this study, using the cell culture system of human bone marrow stromal cells and MC3T3-E1 preosteoblasts, we recorded the following vital observations that provided insights of melatonin-induced bone formation: 1) melatonin induced bone formation in both normal and inflammatory conditions; 2) Wnt4 was essential for melatonin-induced bone formation in inflammatory stimulation; 3) melatonin- and Wnt4-induced bone formation occurred via activation of β-catenin and p38-JNK MAPK pathways by interaction with a distinct frizzled LDL receptor-related protein complex; 4) melatonin suppressed the inhibitory effect of NF-κB on osteogenesis in a Wnt4-dependent manner; and 5) melatonin induced Wnt4 expression through the ERK1/2-Pax2-Egr1 pathway. In summary, we showed a novel mechanism of melatonin-induced bone formation in an inflammatory environment. Melatonin-induced Wnt4 expression is essential for its osteoinductive effect and the inhibitory effect of NF-κB on bone formation. Our novel findings may provide useful information for its potential translational application.-Li, X., Li, Z., Wang, J., Li, Z., Cui, H., Dai, G., Chen, S., Zhang, M., Zheng, Z., Zhan, Z., Liu, H. Wnt4 signaling mediates protective effects of melatonin on new bone formation in an inflammatory environment.
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Affiliation(s)
- Xiang Li
- Department of Spine Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Zihao Li
- Department of Spine Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Jianru Wang
- Department of Spine Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Orthopaedics and Traumatology, Guangzhou, China
| | - Zemin Li
- Department of Spine Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Orthopaedics and Traumatology, Guangzhou, China
| | - Haowen Cui
- Department of Spine Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Guo Dai
- Department of Spine Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Siwen Chen
- Department of Spine Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Mingliang Zhang
- Department of Spine Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Zhaomin Zheng
- Department of Spine Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Orthopaedics and Traumatology, Guangzhou, China
| | - Zhongping Zhan
- Department of Rheumatology and Immunology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Hui Liu
- Department of Spine Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Orthopaedics and Traumatology, Guangzhou, China
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Nimitphong H, Siwasaranond N, Sritara C, Saetung S, Chailurkit LO, Chirakalwasan N, Ongphiphadhanakul B, Reutrakul S. The differences in the relationship between obstructive sleep apnea severity and trabecular bone score in men and women with type 2 diabetes. JOURNAL OF CLINICAL AND TRANSLATIONAL ENDOCRINOLOGY 2019; 16:100193. [PMID: 31193067 PMCID: PMC6514725 DOI: 10.1016/j.jcte.2019.100193] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Revised: 04/12/2019] [Accepted: 05/01/2019] [Indexed: 11/25/2022]
Abstract
Aims Type 2 diabetes mellitus (T2DM) and obstructive sleep apnea (OSA) may adversely affect bone. Gender is a well-established factor influencing bone health. We investigated the impact of OSA on bone mineral density (BMD) and trabecular bone score (TBS) in T2DM. Methods Eighty-one T2DM patients [33 men and 48 women] participated. OSA was diagnosed using an overnight monitor, with its severity assessed by an apnea hypopnia index (pAHI). The measurements of hypoxia, including the percentage of total sleep time in which oxygen saturation remains below 90% (pT90), the oxygen desaturation index (pODI) and minimum O2 (min O2), were reported. Lumbar spine (L1-4) and femoral neck (FN) BMD were measured using dual-energy X-ray absorptiometry (DXA). TBS was computed from DXA images. Results Sixty-five patients (80.2%) had OSA. pAHI, pT90, pODI and min O2 were not correlated to L1-4 BMD, FN BMD or TBS in all participants by multiple regression analyses adjusting for age, gender and BMI. However, an interaction between gender and pAHI, and gender and pODI were significantly associated with TBS (b = 0.003, p = 0.034 and b = 0.004, p = 0.046, respectively). We therefore reassessed an association between pAHI or pODI and TBS separately between men and women. After adjusting for age and BMI, more severe OSA (higher pAHI) and higher pODI significantly associated with lower TBS (b = -0.002, p = 0.034 and b = -0.003, p = 0.021, respectively) in men. On the other hand, higher pAHI non-significantly associated with better trabecular microarchitecture as indicated by higher TBS (b = 0.002, p = 0.059) in women. When considered only postmenopausal (n = 33), higher pAHI and higher pODI were significantly associated with higher TBS (b = 0.004, p = 0.003 and b = 0.004, p = 0.008, respectively). Conclusions In T2DM patients, there is a complex interrelationship among OSA severity, gender and TBS. More severe OSA predicted lower TBS in men, but predicted higher TBS in postmenopausal women.
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Key Words
- Apnea–hypopnea index (AHI)
- BMD, bone mineral density
- BMD/TBS
- BMI, body mass index
- CV, coefficient of variation
- DXA, dual-energy X-ray absorptiometry
- FN, femoral neck
- Gender
- HRpQCT, high resolution peripheral quantitative computed tomography
- HbA1c, hemoglobin A1c
- IQR, interquartile range
- ISCD, International Society for Clinical Densitometry
- L1-4, lumbar spine 1-4
- Menopausal status
- OSA, obstructive sleep apnea
- Obstructive sleep apnea
- PMW, postmenopausal women
- RMS, root mean square
- SD, standard deviation
- T2DM, type 2 diabetes mellitus
- TBS, trabecular bone score
- Type 2 diabetes
- aBMD, areal bone mineral density
- min O2, minimum O2
- p, peripheral arterial tone (PAT)
- pAHI, PAT-derived apnea hypopnia index
- pODI, PAT-derived oxygen desaturation index
- pT90, PAT-derived T90
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Affiliation(s)
- Hataikarn Nimitphong
- Division of Endocrinology and Metabolism, Department of Medicine, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Nantaporn Siwasaranond
- Division of Endocrinology and Metabolism, Department of Medicine, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Chanika Sritara
- Department of Radiology, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Sunee Saetung
- Division of Endocrinology and Metabolism, Department of Medicine, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - La-Or Chailurkit
- Division of Endocrinology and Metabolism, Department of Medicine, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Naricha Chirakalwasan
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand.,Excellence Center for Sleep Disorders, King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok, Thailand
| | - Boonsong Ongphiphadhanakul
- Division of Endocrinology and Metabolism, Department of Medicine, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Sirimon Reutrakul
- Division of Endocrinology and Metabolism, Department of Medicine, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand.,Division of Endocrinology, Diabetes and Metabolism, University of Illinois at Chicago, Chicago, IL, USA
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Vakharia RM, Cohen-Levy WB, Vakharia AM, Donnally CJ, Law TY, Roche MW. Sleep Apnea Increases Ninety-Day Complications and Cost Following Primary Total Joint Arthroplasty. J Arthroplasty 2019; 34:959-964.e1. [PMID: 30814026 DOI: 10.1016/j.arth.2018.12.018] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Revised: 12/12/2018] [Accepted: 12/13/2018] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Sleep apnea (SA) negatively affects bone mineralization, cognition, and immunity. There is paucity in the literature regarding the impact of SA on total joint arthroplasty (TJA). The purpose of this study is to compare complications in patients with and without SA undergoing either total knee (TKA) or total hip arthroplasty (THA). METHODS A retrospective review from 2005 to 2014 was conducted using the Medicare Standard Analytical Files. Patients with and without SA on the day of the primary TJA were queried using the International Classification of Diseases, ninth revision codes. Patients were matched by age, gender, Charlson Comorbidity Index), and body mass index. Patients were followed for 2 years after their surgery. Ninety-day medical complications, complications related to implant, readmission rates, length of stay, and 1-year mortality were quantified and compared. Logistic regression was used to calculate odds ratios (OR) with their respective 95% confidence interval and P values. RESULTS After the random matching process there were 529,240 patients (female = 271,656, male = 252,106, unknown = 5478) with (TKA = 189,968, THA = 74,652) and without (TKA = 189,968, THA = 74,652) SA who underwent primary TJA between 2005 and 2014. Patients with SA had greater odds of developing medical complications following TKA (OR 3.71) or THA (OR 2.48). CONCLUSION The study illustrates an increased risk of developing postoperative complications in patients with SA following primary TJA. Surgeons should educate patients on these adverse effects and encourage the use of continuous positive airway pressure which has been shown to mitigate many postoperative complications.
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Affiliation(s)
| | - Wayne B Cohen-Levy
- Department of Orthopedic Surgery, University of Miami Hospital, Miami, FL
| | | | - Chester J Donnally
- Department of Orthopedic Surgery, University of Miami Hospital, Miami, FL
| | - Tsun Yee Law
- Holy Cross Hospital, Orthopedic Research Institute, Fort Lauderdale, FL
| | - Martin W Roche
- Holy Cross Hospital, Orthopedic Research Institute, Fort Lauderdale, FL
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Li Y, Cui X, Li Z, Jia Q, Jiang L, Zhang Z, Lu Q, Wang J, Jiang L. High melatonin levels are related to spinal ossification in patients with ankylosing spondylitis. Mod Rheumatol 2019; 30:373-378. [PMID: 30922195 DOI: 10.1080/14397595.2019.1601854] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Objectives: To investigate associations of serum melatonin with spinal ossification and cytokines in ankylosing spondylitis (AS).Methods: Serum was obtained from 52 AS patients and 25 healthy controls. Melatonin was measured by ELISA kit; bone morphogenetic protein (BMP)-2, dickkopf-related protein (Dkk)-1, IL-1β, IL-6, IL-17 and TNF-α concentrations were assayed using Luminex multiplex bead system. Osteocalcin and β isomer of C-terminal telopeptide of type I collagen (β-CTX) were measured using electrochemiluminescence immunoassay. Spinal damages were assessed using the modified Stoke Ankylosing Spondylitis Spinal Score (mSASSS) on radiographs.Results: Serum melatonin was significantly increased in AS patients. Serum melatonin correlated positively with mSASSS after multivariate adjustment for age and disease duration (r = 0.70, p < .01). Patients with spinal bone bridge have higher levels of melatonin than those without spinal bone bridge [16.69 (4.65, 41.10) pg/ml vs. 7.43 (3.29, 15.30) pg/ml, p = .03]. The multiple linear regression analysis found that melatonin was a risk factor for spinal bone formation (β = 0.35, p < .05). Additionally, melatonin correlated positively with osteocalcin (r = 0.34, p = .04) and IL-1β (r = 0.39, p = .04) in AS.Conclusion: Melatonin is increased in AS patients, especially in patients with spinal bone bridge. It suggests that melatonin may play an important role in the pathological osteogenesis of AS.
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Affiliation(s)
- Yanshan Li
- Department of Rheumatology and Clinical Immunology, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China.,Department of Rheumatology and Immunology, Linyi People's Hospital, Linyi, China
| | - Xiaomeng Cui
- Department of Rheumatology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Zunzhong Li
- Department of Rheumatology and Immunology, Linyi People's Hospital, Linyi, China
| | - Qian Jia
- Department of Rheumatology and Immunology, Linyi People's Hospital, Linyi, China
| | - Li Jiang
- Department of Rheumatology and Immunology, Linyi People's Hospital, Linyi, China
| | - Zhenchun Zhang
- Department of Rheumatology and Immunology, Linyi People's Hospital, Linyi, China
| | - Qing Lu
- Department of Immunology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Jibo Wang
- Department of Rheumatology and Clinical Immunology, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China
| | - Lindi Jiang
- Department of Rheumatology, Zhongshan Hospital, Fudan University, Shanghai, China.,Center of Clinical Epidemiology and Evidence-based Medicine, Fudan University, Shanghai, China
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36
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Li T, Jiang S, Lu C, Yang W, Yang Z, Hu W, Xin Z, Yang Y. Melatonin: Another avenue for treating osteoporosis? J Pineal Res 2019; 66:e12548. [PMID: 30597617 DOI: 10.1111/jpi.12548] [Citation(s) in RCA: 83] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Revised: 12/24/2018] [Accepted: 12/24/2018] [Indexed: 12/28/2022]
Abstract
Melatonin is a signal molecule that modulates the biological circadian rhythms of vertebrates. Melatonin deficiency is thought to be associated with several disorders, including insomnia, cancer, and cardiovascular and neurodegenerative diseases. Accumulating evidence has also indicated that melatonin may be involved in the homeostasis of bone metabolism. Age-related reductions in melatonin are considered to be critical factors in bone loss and osteoporosis with aging. Thus, serum melatonin levels might serve as a biomarker for the early detection and prevention of osteoporosis. Compared to conventional antiosteoporosis medicines, which primarily inhibit bone loss, melatonin both suppresses bone loss and promotes new bone formation. Mechanistically, by activating melatonin receptor 2 (MT2), melatonin upregulates the gene expression of alkaline phosphatase (ALP), bone morphogenetic protein 2 (BMP2), BMP6, osteocalcin, and osteoprotegerin to promote osteogenesis while inhibiting the receptor activator of NF-kB ligand (RANKL) pathway to suppress osteolysis. In view of the distinct actions of melatonin on bone metabolism, we hypothesize that melatonin may be a novel remedy for the prevention and clinical treatment of osteoporosis.
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Affiliation(s)
- Tian Li
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Faculty of Life Sciences, Northwest University, Xi'an, China
- School of Basic Medicine, The Fourth Military Medical University, Xi'an, China
| | - Shuai Jiang
- Department of Aerospace Medicine, The Fourth Military Medical University, Xi'an, China
| | - Chenxi Lu
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Faculty of Life Sciences, Northwest University, Xi'an, China
| | - Wenwen Yang
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Faculty of Life Sciences, Northwest University, Xi'an, China
| | - Zhi Yang
- School of Basic Medicine, The Fourth Military Medical University, Xi'an, China
| | - Wei Hu
- School of Basic Medicine, The Fourth Military Medical University, Xi'an, China
| | - Zhenlong Xin
- Graduate School, The Fourth Military Medical University, Xi'an, China
| | - Yang Yang
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Faculty of Life Sciences, Northwest University, Xi'an, China
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37
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Luo C, Yang Q, Liu Y, Zhou S, Jiang J, Reiter RJ, Bhattacharya P, Cui Y, Yang H, Ma H, Yao J, Lawler SE, Zhang X, Fu J, Rozental R, Aly H, Johnson MD, Chiocca EA, Wang X. The multiple protective roles and molecular mechanisms of melatonin and its precursor N-acetylserotonin in targeting brain injury and liver damage and in maintaining bone health. Free Radic Biol Med 2019; 130:215-233. [PMID: 30315933 DOI: 10.1016/j.freeradbiomed.2018.10.402] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Revised: 09/01/2018] [Accepted: 10/02/2018] [Indexed: 12/20/2022]
Abstract
Melatonin is a neurohormone associated with sleep and wakefulness and is mainly produced by the pineal gland. Numerous physiological functions of melatonin have been demonstrated including anti-inflammation, suppressing neoplastic growth, circadian and endocrine rhythm regulation, and its potent antioxidant activity as well as its role in regeneration of various tissues including the nervous system, liver, bone, kidney, bladder, skin, and muscle, among others. In this review, we summarize the recent advances related to the multiple protective roles of melatonin receptor agonists, melatonin and N-acetylserotonin (NAS), in brain injury, liver damage, and bone health. Brain injury, including traumatic brain injury, ischemic stroke, intracerebral hemorrhage, subarachnoid hemorrhage, and newborn perinatal hypoxia-ischemia encephalopathy, is a major cause of mortality and disability. Liver disease causes serious public health problems and various factors including alcohol, chemical pollutants, and drugs induce hepatic damage. Osteoporosis is the most common bone disease in humans. Due in part to an aging population, both the cost of care of fracture patients and the annual fracture rate have increased steadily. Despite the discrepancy in the pathophysiological processes of these disorders, time frames and severity, they may share several common molecular mechanisms. Oxidative stress is considered to be a critical factor in these pathogeneses. We update the current state of knowledge related to the molecular processes, mainly including anti-oxidative stress, anti-apoptosis, autophagy dysfunction, and anti-inflammation as well as other properties of melatonin and NAS. Particularly, the abilities of melatonin and NAS to directly scavenge oxygen-centered radicals and toxic reactive oxygen species, and indirectly act through antioxidant enzymes are disscussed. In this review, we summarize the similarities and differences in the protection provided by melatonin and/or NAS in brain, liver and bone damage. We analyze the involvement of melatonin receptor 1A (MT1), melatonin receptor 1B (MT2), and melatonin receptor 1C (MT3) in the protection of melatonin and/or NAS. Additionally, we evaluate their potential clinical applications. The multiple mechanisms of action and multiple organ-targeted properties of melatonin and NAS may contribute to development of promising therapies for clinical trials.
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Affiliation(s)
- Chengliang Luo
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Qiang Yang
- Hubei Provincial Key Lab for Quality and Safety of Traditional Chinese Medicine Health Food, Jing Brand Research Institute, Daye, Hubei, China
| | - Yuancai Liu
- Hubei Provincial Key Lab for Quality and Safety of Traditional Chinese Medicine Health Food, Jing Brand Research Institute, Daye, Hubei, China
| | - Shuanhu Zhou
- Department of Orthopedic Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Jiying Jiang
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA; Department of Histology and Embryology, Weifang Medical University, Weifang, Shandong, China
| | - Russel J Reiter
- Department of Cellular and Structural Biology, University Texas Health Science Center, San Antonio, TX, USA
| | - Pallab Bhattacharya
- National Institute of Pharmaceutical Education and Research, Ahmedabad, India
| | - Yongchun Cui
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Hongwei Yang
- Department of Neurosurgery, University of Massachusetts Medical School, Worcester, MA, USA
| | - He Ma
- Third Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi, China
| | - Jiemin Yao
- Third Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi, China
| | - Sean E Lawler
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Xinmu Zhang
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Jianfang Fu
- Department of Endocrinology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Renato Rozental
- Lab Neuroproteção & Estratégias Regenerativas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Hany Aly
- Department of Neonatology, Cleveland Clinic Children's Hospital, Cleveland, OH, USA
| | - Mark D Johnson
- Department of Neurosurgery, University of Massachusetts Medical School, Worcester, MA, USA
| | - E Antonio Chiocca
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Xin Wang
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
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Hardeland R. Melatonin and inflammation-Story of a double-edged blade. J Pineal Res 2018; 65:e12525. [PMID: 30242884 DOI: 10.1111/jpi.12525] [Citation(s) in RCA: 258] [Impact Index Per Article: 43.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/26/2018] [Revised: 09/10/2018] [Accepted: 09/14/2018] [Indexed: 12/13/2022]
Abstract
Melatonin is an immune modulator that displays both pro- and anti-inflammatory properties. Proinflammatory actions, which are well documented by many studies in isolated cells or leukocyte-derived cell lines, can be assumed to enhance the resistance against pathogens. However, they can be detrimental in autoimmune diseases. Anti-inflammatory actions are of particular medicinal interest, because they are observed in high-grade inflammation such as sepsis, ischemia/reperfusion, and brain injury, and also in low-grade inflammation during aging and in neurodegenerative diseases. The mechanisms contributing to anti-inflammatory effects are manifold and comprise various pathways of secondary signaling. These include numerous antioxidant effects, downregulation of inducible and inhibition of neuronal NO synthases, downregulation of cyclooxygenase-2, inhibition of high-mobility group box-1 signaling and toll-like receptor-4 activation, prevention of inflammasome NLRP3 activation, inhibition of NF-κB activation and upregulation of nuclear factor erythroid 2-related factor 2 (Nrf2). These effects are also reflected by downregulation of proinflammatory and upregulation of anti-inflammatory cytokines. Proinflammatory actions of amyloid-β peptides are reduced by enhancing α-secretase and inhibition of β- and γ-secretases. A particular role in melatonin's actions seems to be associated with the upregulation of sirtuin-1 (SIRT1), which shares various effects known from melatonin and additionally interferes with the signaling by the mechanistic target of rapamycin (mTOR) and Notch, and reduces the expression of the proinflammatory lncRNA-CCL2. The conclusion on a partial mediation by SIRT1 is supported by repeatedly observed inhibitions of melatonin effects by sirtuin inhibitors or knockdown.
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Affiliation(s)
- Rüdiger Hardeland
- Johann Friedrich Blumenbach Institute of Zoology and Anthropology, University of Göttingen, Göttingen, Germany
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39
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Swanson CM, Kohrt WM, Buxton OM, Everson CA, Wright KP, Orwoll ES, Shea SA. The importance of the circadian system & sleep for bone health. Metabolism 2018; 84:28-43. [PMID: 29229227 PMCID: PMC5994176 DOI: 10.1016/j.metabol.2017.12.002] [Citation(s) in RCA: 77] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2017] [Revised: 11/28/2017] [Accepted: 12/01/2017] [Indexed: 01/01/2023]
Abstract
Adequate sleep timed appropriately during the circadian night is important for numerous biological processes and systems. New evidence suggests that both sleep timing and duration may be important for optimal bone health as well. This review examines the diurnal variation of bone turnover markers (BTMs) and the importance of circadian clock genes in regulating bone mass. In addition, this review explores the evidence for a link between shift work (and its associated disturbances in sleep duration/quality and circadian alignment) and alterations in bone metabolism and bone health. Finally, we review how commonly used medications and over-the-counter substances (e.g. caffeine, melatonin) complicate the relationship between sleep and circadian disorders and bone health.
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Affiliation(s)
- Christine M Swanson
- Division of Endocrinology, Metabolism, and Diabetes, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.
| | - Wendy M Kohrt
- Division of Geriatric Medicine, University of Colorado Anschutz Medical Campus, Eastern Colorado VA Geriatric, Research, Education, and Clinical Center, Aurora, CO, USA
| | - Orfeu M Buxton
- Department of Biobehavioral Health, Pennsylvania State University, University Park, PA, USA; Division of Sleep Medicine, Harvard Medical School, Boston, MA, USA; Sleep Health Institute, Division of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital, Boston, MA, USA; Department of Social and Behavioral Sciences, Harvard Chan School of Public Health, Boston, MA, USA
| | - Carol A Everson
- Department of Medicine, Division of Endocrinology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Kenneth P Wright
- Division of Endocrinology, Metabolism, and Diabetes, University of Colorado Anschutz Medical Campus, Aurora, CO, USA; Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA
| | - Eric S Orwoll
- Division of Endocrinology and Bone and Mineral Unit, Oregon Health & Science University, Portland, OR, USA
| | - Steven A Shea
- Oregon Institute of Occupational Health Sciences, Oregon Health & Science University, Portland, OR, USA; OHSU-PSU School of Public Health, Portland, OR, USA
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González-González A, Mediavilla MD, Sánchez-Barceló EJ. Melatonin: A Molecule for Reducing Breast Cancer Risk. Molecules 2018; 23:E336. [PMID: 29415446 PMCID: PMC6017232 DOI: 10.3390/molecules23020336] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2018] [Revised: 01/31/2018] [Accepted: 01/31/2018] [Indexed: 01/10/2023] Open
Abstract
The objective of this article is to review the basis supporting the usefulness of melatonin as an adjuvant therapy for breast cancer (BC) prevention in several groups of individuals at high risk for this disease. Melatonin, as a result of its antiestrogenic and antioxidant properties, as well as its ability to improve the efficacy and reduce the side effects of conventional antiestrogens, could safely be associated with the antiestrogenic drugs presently in use. In individuals at risk of BC due to night shift work, the light-induced inhibition of melatonin secretion, with the consequent loss of its antiestrogenic effects, would be countered by administering this neurohormone. BC risk from exposure to metalloestrogens, such as cadmium, could be treated with melatonin supplements to individuals at risk of BC due to exposure to this xenoestrogen. The BC risk related to obesity may be reduced by melatonin which decrease body fat mass, inhibits the enhanced aromatase expression in obese women, increases adiponectin secretion, counteracts the oncogenic effects of elevated concentrations of leptin; and decreases blood glucose levels and insulin resistance. Despite compelling experimental evidence of melatonin's oncostatic actions being susceptible to lowering BC risk, there is still a paucity of clinical trials focused on this subject.
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Affiliation(s)
- Alicia González-González
- Department of Physiology and Pharmacology, School of Medicina, University of Cantabria, 39011 Santander, Spain.
| | - María Dolores Mediavilla
- Department of Physiology and Pharmacology, School of Medicina, University of Cantabria, 39011 Santander, Spain.
| | - Emilio J Sánchez-Barceló
- Department of Physiology and Pharmacology, School of Medicina, University of Cantabria, 39011 Santander, Spain.
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Lee S, Le NH, Kang D. Melatonin alleviates oxidative stress-inhibited osteogenesis of human bone marrow-derived mesenchymal stem cells through AMPK activation. Int J Med Sci 2018; 15:1083-1091. [PMID: 30013450 PMCID: PMC6036161 DOI: 10.7150/ijms.26314] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Accepted: 06/08/2018] [Indexed: 12/28/2022] Open
Abstract
Oxidative stress plays an important role in the pathogenesis of aging-related osteoporosis through the increased bone resorption or reduced bone formation. Melatonin, which can exert beneficial actions through antioxidant, anti-inflammatory, and bone-preserving effects, shows promise in preventing oxidative stress-inhibited osteogenesis. However, specific mechanisms by which melatonin rescues oxidative stress-inhibited osteogenesis of human mesenchymal stem cells (MSCs) have not been fully elucidated yet. We therefore investigated whether activation of AMPK by melatonin regulates the antagonistic crosstalk between oxidative stress and osteogenic differentiation in human MSCs. Melatonin treatment significantly enhanced osteogenic differentiation of human MSCs through activation of AMPK and upregulation of FOXO3a and RUNX2 which were known as master transcription factors responsible for the mechanistic link between oxidative stress and osteogenic phenotype. Osteogenic differentiation determined by calcium deposition was significantly increased by melatonin treatment against oxidative stress. In addition, melatonin treatment reconstituted activation of AMPK and expression of FOXO3a and RUNX2 inhibited by oxidative stress. Overall, these results demonstrate that melatonin enhances osteogenic differentiation of human MSCs and restores oxidative stress-inhibited osteogenesis through AMPK activation in human MSCs, suggesting that activation of AMPK by melatonin may represent a promising new therapeutic strategy for treating metabolic bone diseases such as osteoporosis.
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Affiliation(s)
- Sooho Lee
- Ilsong Institute of Life Science, Hallym University, Anyang, Gyeonggi-do 14066, Republic of Korea
| | - Nhu Huynh Le
- Ilsong Institute of Life Science, Hallym University, Anyang, Gyeonggi-do 14066, Republic of Korea.,Department of Biomedical Gerontology, Hallym University Graduate School, Chuncheon, Gangwon-do 24252, Republic of Korea
| | - Dongchul Kang
- Ilsong Institute of Life Science, Hallym University, Anyang, Gyeonggi-do 14066, Republic of Korea.,Department of Biomedical Gerontology, Hallym University Graduate School, Chuncheon, Gangwon-do 24252, Republic of Korea
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Rogers TS, Harrison S, Swanson C, Cauley JA, Barrett-Connor E, Orwoll E, Stone KL, Lane NE. Rest-activity circadian rhythms and bone mineral density in elderly men. Bone Rep 2017; 7:156-163. [PMID: 29181439 PMCID: PMC5695538 DOI: 10.1016/j.bonr.2017.11.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Revised: 10/25/2017] [Accepted: 11/07/2017] [Indexed: 01/19/2023] Open
Abstract
Background Disrupted rest-activity circadian rhythm (RAR) patterns have been associated with poor health outcomes (i.e. diminished cognitive function, increased risk of dementia and falls). Circadian time cues in bone influence the differentiation of osteoblasts and osteoclasts, and bone turnover markers exhibit circadian variation; relationships between bone outcomes and RAR are emerging areas of research. We evaluated associations between RAR and areal bone mineral density (aBMD) at the total hip and femoral neck in older men from the Osteoporotic Fractures in Men (MrOS) cohort. We hypothesized that weaker RAR patterns would be associated with lower aBMD. Methods MrOS is an ongoing prospective cohort study following ambulatory men ≥ 65 years (n = 5994) at 6 U.S. clinics (baseline enrollment 3/2000–4/2002); participants for this analysis are from an ancillary study, Outcomes of Sleep Disorders in Older Men (MrOS Sleep). We included data from men who had technically adequate measures of RAR and aBMD at Sleep Visit 1 (12/2003–3/2005), with repeat aBMD at core Visit 3 (3/2007–3/2009) (n = 2412; mean age at Sleep Visit 1: 75.7 ± 5.2 years). aBMD was measured by dual energy x-ray absorptiometry (DXA). Actigraphs worn on the non-dominant wrist were used to collect circadian activity data over 4.8 ± 0.8 consecutive 24-hour periods. An extension of the traditional cosine curve was used to fit RAR to the activity data [Ancoli-Israel et al., 2003; Marler et al., 2006]. Six RAR parameters were evaluated: acrophase (time of peak activity), amplitude (rhythm strength), mesor (mean of activity fitted curve), pseudo F-statistic (overall circadian rhythmicity of rest and activity), alpha statistic (daytime to nighttime activity ratio), and beta statistic (daytime activity). Associations between RAR and aBMD (Sleep Visit 1), and RAR and ΔaBMD (Sleep Visit 1-Visit 3) were assessed with generalized linear models. Covariates included age, clinic site, physical activity, race, comorbidity, body mass index (BMI), smoking, alcohol, caffeine, beta blocker use, serum 25(OH) vitamin D and urinary melatonin and calcium. Results Pseudo F-statistic was significantly associated with total hip aBMD (p-trend = 0.009), femoral neck aBMD (p-trend = 0.007) and total hip ΔaBMD (p-trend = 0.017) in minimally adjusted models but not after multivariate (MV) adjustment. Alpha statistic was significantly associated with femoral neck aBMD (p-trend = 0.029) and femoral neck ΔaBMD (p-trend = 0.019) in minimally adjusted models; significance was retained in the femoral neck ΔaBMD model (p-trend = 0.034) after MV adjustment. There were no consistent, significant associations between the other RAR variables and aBMD or ΔaBMD. Conclusions The data demonstrate modest associations between overall circadian rhythmicity of rest and activity (measured by pseudo F-statistic), as well as daytime to nighttime activity ratio (measured by alpha statistic), aBMD and ΔaBMD, but adjustment for covariates related to lifestyle, BMI and comorbidities attenuated most of these associations. These results suggest that RAR patterns are not independently associated with aBMD or four-year ΔaBMD at the total hip or femoral neck in older men, but additional research is needed. Disrupted rest-activity circadian rhythm (RAR) undermines health outcomes. We modeled RAR patterns and areal bone mineral density (aBMD) in older men. Most associations lost significance after multivariate adjustment. RAR patterns are not independently associated with aBMD or ΔaBMD in older men.
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Affiliation(s)
- Tara S Rogers
- Center for Musculoskeletal Health, University of California, Davis Medical Center, 4625 2nd Avenue, Suite 2000, Sacramento, CA 95817, USA
| | - Stephanie Harrison
- California Pacific Medical Center Research Institute, Mission Hall, 550 16th Street, San Francisco, CA 94158, USA
| | - Christine Swanson
- Division of Endocrinology, Metabolism and Diabetes, University of Colorado Anschutz Medical Campus, 12801 East 17th Avenue, Mail Stop 8106, Aurora, CO 80045, USA
| | - Jane A Cauley
- Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, 130 DeSoto Street, Pittsburgh, PA 15261, USA
| | - Elizabeth Barrett-Connor
- Department of Family and Preventive Medicine, University of California, San Diego, 9500 Gilman Drive, #0607, La Jolla, CA 92093, USA
| | - Eric Orwoll
- Oregon Health & Science University (CR113), 3181 SW Sam Jackson Park Road, Portland, OR 97239, USA
| | - Katie L Stone
- California Pacific Medical Center Research Institute, Mission Hall, 550 16th Street, San Francisco, CA 94158, USA
| | - Nancy E Lane
- Center for Musculoskeletal Health, University of California, Davis Medical Center, 4625 2nd Avenue, Suite 2000, Sacramento, CA 95817, USA
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Ruchała M, Bromińska B, Cyrańska-Chyrek E, Kuźnar-Kamińska B, Kostrzewska M, Batura-Gabryel H. Obstructive sleep apnea and hormones - a novel insight. Arch Med Sci 2017; 13:875-884. [PMID: 28721156 PMCID: PMC5507108 DOI: 10.5114/aoms.2016.61499] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2016] [Accepted: 06/07/2016] [Indexed: 12/13/2022] Open
Abstract
Obstructive sleep apnea (OSA), a disorder characterized by repetitive collapse of the upper respiratory tract during sleep, occurs in about 4% of middle-aged men and 2% of women. The incidence of the disorder is rising due to an increase in obesity and ageing of the population. Patients with obstructive sleep apnea are at elevated risk of some endocrinal and metabolic disorders, which may lead to serious consequences including shortening of life expectancy. The recognition and understanding of interactions between local upper airway dysfunction and its endocrinal consequences is therefore vital. In this review we will focus on the influence of OSA on bone metabolism and endocrine homeostasis.
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Affiliation(s)
- Marek Ruchała
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, Poznan, Poland
| | - Barbara Bromińska
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, Poznan, Poland
| | - Ewa Cyrańska-Chyrek
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, Poznan, Poland
| | - Barbara Kuźnar-Kamińska
- Department of Pulmonology, Allergology and Respiratory Oncology, Poznan University of Medical Sciences, Poznan, Poland
| | - Magdalena Kostrzewska
- Department of Pulmonology, Allergology and Respiratory Oncology, Poznan University of Medical Sciences, Poznan, Poland
| | - Halina Batura-Gabryel
- Department of Pulmonology, Allergology and Respiratory Oncology, Poznan University of Medical Sciences, Poznan, Poland
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Suppression of Osteoclastogenesis by Melatonin: A Melatonin Receptor-Independent Action. Int J Mol Sci 2017; 18:ijms18061142. [PMID: 28587149 PMCID: PMC5485966 DOI: 10.3390/ijms18061142] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2017] [Revised: 05/15/2017] [Accepted: 05/23/2017] [Indexed: 01/01/2023] Open
Abstract
In vertebrates, melatonin is primarily secreted from the pineal gland but it affects various biological processes including the sleep-wake cycle, vasomotor control, immune system and bone homeostasis. Melatonin has been known to promote osteoblast differentiation and bone maturation, but a direct role of melatonin on osteoclast differentiation is still elusive. The present study investigated the effect of melatonin on the differentiation of macrophages to osteoclasts. The presence of melatonin significantly reduced receptor activator of nuclear factor κB ligand (RANKL)-induced osteoclastogenesis and the siRNA-mediated knockdown of the melatonin receptor failed to overcome the anti-osteoclastogenic effect of melatonin. Although melatonin treatment did not affect the phosphorylation of extracellular signal-regulated kinase (ERK), p38 and c-Jun N-terminal kinase (JNK), it markedly inhibited the activation of NF-κB and subsequent induction of nuclear factor of activated T cell cytoplasmic 1(NFATc1). Thus, our results suggest that melatonin could suppress osteoclast differentiation through downregulation of NF-κB pathway with concomitant decrease in the NFATc1 transcription factor induction. Furthermore, melatonin seems to have an anti-osteoclastogenic effect independent of plasma membrane melatonin receptors. In addition to previously reported properties of melatonin, our study proposes another aspect of melatonin and bone homeostasis.
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A novel combination treatment to stimulate bone healing and regeneration under hypoxic conditions: photobiomodulation and melatonin. Lasers Med Sci 2017; 32:533-541. [PMID: 28091848 DOI: 10.1007/s10103-017-2145-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2016] [Accepted: 01/05/2017] [Indexed: 12/16/2022]
Abstract
Melatonin has anabolic effects on the bone, even under hypoxia, and laser irradiation has been shown to improve osteoblastic differentiation. The aim of this study was to investigate whether laser irradiation and melatonin would have synergistic effects on osteoblastic differentiation and mineralization under hypoxic conditions. MC3T3-E1 cells were exposed to 1% oxygen tension for the hypoxia condition. The cells were divided into four groups: G1-osteoblast differentiation medium only (as the hypoxic condition), G2-treatment with 50 μM melatonin only, G3-laser irradiation (808 nm, 80 mW, GaAlAs diode) only, and G4-treatment with 50 μM melatonin and laser irradiation (808 nm, 80 mW, GaAlAs diode). Immunoblotting showed that osterix expression was markedly increased in the melatonin-treated and laser-irradiated cells at 48 and 72 h. In addition, alkaline phosphatase activity significantly increased and continued to rise throughout the experiment. Alizarin Red staining showed markedly increased mineralized nodules as compared with only melatonin-treated or laser-irradiated cells at day 7, which significantly increased by day 14. Moreover, when melatonin-treated cells were laser-irradiated, the differentiation and mineralization of cells were found to involve p38 MAPK and PRKD1 signaling mechanisms. However, the enhanced effects of laser irradiation with melatonin were markedly inhibited when the cells were treated with luzindole, a selective melatonin receptor antagonist. Therefore, we concluded that laser irradiation could promote the effect of melatonin on the differentiation and mineralization of MC3T3-E1 cells under hypoxic conditions, and that this process is mediated through melatonin 1/2 receptors and PKRD/p38 signaling pathways.
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Tyrovola JB. The "Mechanostat" Principle and the Osteoprotegerin-OPG/RANKL/RANK System PART II. The Role of the Hypothalamic-Pituitary Axis. J Cell Biochem 2017; 118:962-966. [PMID: 27862210 DOI: 10.1002/jcb.25793] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2016] [Accepted: 11/14/2016] [Indexed: 12/15/2022]
Abstract
Recent literature provides us with the indication that the ratio of OPG/RANKL concentrations fluctuate in a non-linear (bell-shaped) mode, according to Frost's "mechanostat" theory, during the application of mechanical strain. A similar cellular signal transduction mechanism to mechanical loading, that may also regulate bone resorptive activities, has nowdays been proposed. Since the skeleton is considered to be an endocrine organ, as such, it may likewise be subject to hypothalamic control. This central regulatory system may continually modulate the adaptation of the bone homeostatic system to external challenges. The hypothalamic-pituitary-gonadal axis may play a role in the regulation of OPG/RANKL secretion. The "mechanostat" principle may well characterize the oscillatory properties of the signal transduction mechanism that controls hard tissue metabolism and includes biochemical apart from mechanical stimuli. J. Cell. Biochem. 118: 962-966, 2017. © 2016 Wiley Periodicals, Inc.
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Zhang S, Chen S, Li Y, Liu Y. Melatonin as a promising agent of regulating stem cell biology and its application in disease therapy. Pharmacol Res 2016; 117:252-260. [PMID: 28042087 DOI: 10.1016/j.phrs.2016.12.035] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2016] [Revised: 12/22/2016] [Accepted: 12/22/2016] [Indexed: 01/20/2023]
Abstract
Stem cells have emerged as an important approach to repair and regenerate damaged tissues or organs and show great therapeutic potential in a variety of diseases. However, the low survival of engrafted stem cells still remains a major challenge for stem cell therapy. As a major hormone from the pineal gland, melatonin has been shown to play an important role in regulating the physiological and pathological functions of stem cells, such as promoting proliferation, migration and differentiation. Thus, melatonin combined with stem cell transplantation displayed promising application potential in neurodegenerative diseases, liver cirrhosis, wound healing, myocardial infarction, kidney ischemia injury, osteoporosis, etc. It exerts its physiological and pathological functions through its anti-oxidant, anti-inflammatory, anti-apoptosis and anti-ageing properties. Here, we summarize recent advances on exploring the biological role of melatonin in stem cells, and discuss its potential applications in stem cell-based therapy.
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Affiliation(s)
- Shuo Zhang
- College of Pharmacy, Harbin Medical University, Harbin 150081, Heilongjiang Province, China
| | - Simon Chen
- Cumming School of Medicine, University of Calgary, Calgary, Canada
| | - Yuan Li
- College of Pharmacy, Harbin Medical University, Harbin 150081, Heilongjiang Province, China
| | - Yu Liu
- Department of Clinical Laboratory Diagnosis, the Fourth Affiliated Hospital of Harbin Medical University, Harbin 150001, Heilongjiang Province, China.
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Frisher M, Gibbons N, Bashford J, Chapman S, Weich S. Melatonin, hypnotics and their association with fracture: a matched cohort study. Age Ageing 2016; 45:801-806. [PMID: 27496941 DOI: 10.1093/ageing/afw123] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2016] [Accepted: 05/23/2016] [Indexed: 12/21/2022] Open
Abstract
OBJECTIVES although melatonin prescribing in England has been increasing in recent years, there have been no large scale studies on the safety of melatonin compared to other medical treatments for insomnia. The primary aim of this study was to examine the association between exposure to melatonin, hypnotic benzodiazepines (temazepam, nitrazepam) or Z-drugs (zolpidem, zopiclone) and fracture risk. DESIGN retrospective cohort study. SETTING 309 general practices contributing to The Health Improvement Network (THIN) between 2008 and 2013. PARTICIPANTS 1,377 patients aged 45 years and older prescribed melatonin; 880 patients prescribed hypnotic benzodiazepines; 1,148 patients prescribed Z-drugs and 2,752 unexposed controls matched by age, gender and practice. MAIN OUTCOME fracture following prescription of study drugs ascertained from practice records. RESULTS the unadjusted hazard ratios for fracture during the follow-up period were 1.90 (95% CI 1.41-2.57) for melatonin, 1.70 (95% CI 1.18-2.46) for hypnotic benzodiazepines and 2.03 (95% CI 1.45-2.84) for Z-drugs. After adjustment for 26 covariates, the hazard ratios were 1.44 (95% CI 1.01-2.04) for melatonin, 1.26 (95% CI 0.82-1.92) for hypnotic benzodiazepines and 1.52 (95% CI 1.04-2.23) for Z-drugs. Only patients with three or more melatonin prescriptions had elevated risk. The mean time to fracture was 1.04 years and there was no significant difference in mean time to fracture between the cohorts. CONCLUSIONS in this large cohort of patients attending UK primary care, prescriptions for melatonin and Z-drugs were associated with a significantly increased risk of fracture. With the use of melatonin increasing steadily overtime, this study adds to the literature on the safety profile of this drug.
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Affiliation(s)
- Martin Frisher
- Division of Mental Health and Wellbeing, Warwick Medical School, University of Warwick, Coventry, UK
| | - Nicholas Gibbons
- Division of Mental Health and Wellbeing, Warwick Medical School, University of Warwick, Coventry, UK
| | - James Bashford
- Division of Mental Health and Wellbeing, Warwick Medical School, University of Warwick, Coventry, UK
| | - Steve Chapman
- Division of Mental Health and Wellbeing, Warwick Medical School, University of Warwick, Coventry, UK
| | - Scott Weich
- Division of Mental Health and Wellbeing, Warwick Medical School, University of Warwick, Coventry, UK
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Shuai Y, Liao L, Su X, Yu Y, Shao B, Jing H, Zhang X, Deng Z, Jin Y. Melatonin Treatment Improves Mesenchymal Stem Cells Therapy by Preserving Stemness during Long-term In Vitro Expansion. Am J Cancer Res 2016; 6:1899-917. [PMID: 27570559 PMCID: PMC4997245 DOI: 10.7150/thno.15412] [Citation(s) in RCA: 83] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2016] [Accepted: 07/20/2016] [Indexed: 02/07/2023] Open
Abstract
Mesenchymal stem cells (MSCs) are promising candidates for tissue regeneration and disease treatment. However, long-term in vitro passaging leads to stemness loss of MSCs, resulting in failure of MSCs therapy. Here, we report a melatonin-based strategy to improve cell therapy of in vitro cultured MSCs. Among four small molecules with anti-aging and stem cell-protection properties (rapamycin, resveratrol, quercetin and melatonin), colony forming, proliferation, and osteogenic differentiation assay showed that melatonin was the most efficient to preserve self-renewal and differentiation properties of rat bone marrow MSCs (BMMSCs) after long-term passaging. Functional assays confirmed melatonin treatment did not affect the colony forming, proliferation and osteogenic differentiation of BMMSCs cultured for 1 or 4 passages, but largely prevented the decline of self-renew and differentiation capacity of BMMSCs cultured for 15 passages in vitro. Furthermore, heterotopic osteogenesis assay, critical size calvarial defects repair assay, osteoporosis treatment and experimental colitis therapy assay strongly certified that melatonin preserved the therapeutic effect of long-term passaged BMMSCs on bone regeneration and immunotherapy in vivo. Mechanistically, melatonin functioned by activating antioxidant defense system, inhibiting the pathway of cell senescence, and preserving the expression of gene governing the stemness. Taken together, our findings showed that melatonin treatment efficiently prevented the dysfunction and therapeutic failure of BMMSCs after long-term passaging, providing a practical strategy to improve the application of BMMSCs in tissue engineering and cytotherapy.
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Çakir ZÜ, Demirel C, Kilciksiz SC, Gürgül S, Zincircioğlu SB, Erdal N. Melatonin can Ameliorate Radiation-Induced Oxidative Stress and Inflammation-Related Deterioration of Bone Quality in Rat Femur. Inflammation 2016; 39:1134-40. [PMID: 27052631 DOI: 10.1007/s10753-016-0347-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The aim of the present study was to evaluate the radioprotective effects of melatonin on the biomechanical properties of bone in comparison to amifostine (WR-2721). Forty Sprague Dawley rats were divided equally into 5 groups namely; control (C), irradiation (R; single dose of 50 Gy), irradiation + WR-2721 (R + WR-2721; irradiation + 200 mg/kg WR-2721) radiation + melatonin 25 mg/kg (R + M25; irradiation + 25 mg/kg melatonin), and radiation + melatonin 50 mg/kg (R + M50; irradiation + 50 mg/kg melatonin). In order to measure extrinsic (organ-level mechanical properties of bone; the ultimate strength, deformation, stiffness, energy absorption capacity) and intrinsic (tissue-level mechanical properties of bone; ultimate stress, ultimate strain, elastic modulus, toughness) features of the bone, a three-point bending (TPB) test was performed for biomechanical evaluation. In addition, a bone mineral density (BMD) test was carried out. The BMD and extrinsic properties of the diaphyseal femur were found to be significantly higher in the R + M25 group than in group R (p < 0.05). A significant increase was observed in R + M50 (p < 0.05) in comparison to group R in the cross-sectional area of the femoral shaft and elastic modulus parameter. The protective effect of melatonin was similar to that of WR-2721. Thus, biomechanical quality of irradiated bone can be ameliorated by free radical scavenger melatonin.
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Affiliation(s)
- Zelal Ünlü Çakir
- Department of Biophysics, Faculty of Medicine, Gaziantep University, Gaziantep, TR-27310, Turkey
| | - Can Demirel
- Department of Biophysics, Faculty of Medicine, Gaziantep University, Gaziantep, TR-27310, Turkey.
| | | | - Serkan Gürgül
- Department of Biophysics, Faculty of Medicine, Gaziosmanpaşa University, Tokat, TR-60000, Turkey
| | | | - Nurten Erdal
- Department of Biophysics, Faculty of Medicine, Mersin University, Mersin, TR-33169, Turkey
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