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Gürhan C, Saruhan E, Bayırlı AB. Comparative evaluation of salivary melatonin levels in patients with bruxism: a case-control study. Biomark Med 2024:1-9. [PMID: 39325684 DOI: 10.1080/17520363.2024.2398982] [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: 05/03/2024] [Accepted: 08/28/2024] [Indexed: 09/28/2024] Open
Abstract
Aim: To examine whether there is any difference in the levels of salivary melatonin between bruxism and nonbruxism groups and to compare the stress and anxiety levels between the two groups.Materials & methods: Patients meeting the probable bruxism criteria according to the International Consensus on the Assessment of Bruxism Criteria were included in the bruxism group. The salivary melatonin concentrations of both groups were measured using an ELISA kit. To determine the relationship between stress and bruxism, the State-Trait Anxiety Inventory (STAI) test was used.Results: The bruxism group had a significantly lower night-time salivary melatonin level than the control group (p < 0.05). No significant difference was determined between the bruxism group and the control group in respect of the STAI-T scores (p > 0.05).Conclusion: The study findings revealed a strong relationship between a low melatonin level and bruxism.
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Affiliation(s)
- Ceyda Gürhan
- Muğla Sıtkı Koçman University, Faculty of Dentistry, Department of Oral & Maxillofacial Radiology, Muğla, Turkey
| | - Ercan Saruhan
- Muğla Sıtkı Koçman University, Faculty of Medicine, Department of Medical Biochemistry, Muğla, Turkey
| | - Ali Batuhan Bayırlı
- Muğla Sıtkı Koçman University, Faculty of Dentistry, Department of Periodontology, Muğla, Turkey
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Rafiyian M, Reiter RJ, Rasooli Manesh SM, Asemi R, Sharifi M, Mohammadi S, Mansournia MA, Asemi Z. Programmed cell death and melatonin: A comprehensive review. Funct Integr Genomics 2024; 24:169. [PMID: 39313718 DOI: 10.1007/s10142-024-01454-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2024] [Revised: 09/10/2024] [Accepted: 09/11/2024] [Indexed: 09/25/2024]
Abstract
Melatonin (MLT), a main product of pineal gland, recently has attracted the attention of scientists due to its benefits in various diseases and also regulation of cellular homeostasis. Its receptor scares widely distributed indicating that it influences numerous organs. Programmed cell death (PCD), of which there several types, is a regulated by highly conserved mechanisms and important for development and function of different organs. Enhancement or inhibition of PCDs could be a useful technique for treatment of different diseases and MLT, due to its direct effects on these pathways, is a good candidate for this strategy. Many studies investigated the role of MLT on PCDs in different diseases and in this review, we summarized some of the most significant studies in this field to provide a better insight into the mechanisms of modulation of PCD by MLT modulation.
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Affiliation(s)
- Mahdi Rafiyian
- Student Research Committee, Kashan University of Reiter Sciences, Kashan, Iran
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Russel J Reiter
- Department of Cell Systems and Anatomy, UT Health. Long School of Medicine, San Antonio, TX, USA.
| | | | - Reza Asemi
- Department of Internal Medicine, School of Medicine, Cancer Prevention Research Center, Seyyed Al-Shohada Hospital, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mehran Sharifi
- Department of Internal Medicine, School of Medicine, Cancer Prevention Research Center, Seyyed Al-Shohada Hospital, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Sotoudeh Mohammadi
- Department of Obstetrics and Gynecology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Ali Mansournia
- Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Zatollah Asemi
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran.
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Oliveira FS, Dieckman K, Mota D, Zenner AJ, Schleusner MA, Cecilio JO, Vieira FVM. Melatonin in Human Milk: A Scoping Review. Biol Res Nurs 2024:10998004241263100. [PMID: 39041388 DOI: 10.1177/10998004241263100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/24/2024]
Abstract
Melatonin is vital in human circadian rhythm and infant development. This scoping review summarized the current knowledge about melatonin's presence and effects in human milk to promote better understanding of its secretion pattern and clinical advancement of maternal-infant health. The review followed the Joanna Briggs Institute guideline and answered the question: What is the current knowledge about melatonin hormone in human milk? The databases searched were PubMed, CINAHL, SCOPUS, Web of Science, LILACS, Scielo, EMBASE, Science Direct, Eric, Cochrane, in addition to grey literature and reference lists of included sources. Research papers included English, Spanish, or Portuguese languages, regardless of study type or publication date. The study selection and data extraction involved two independent reviewers. Twenty-nine studies met inclusion criteria. The studies, conducted between 1993 and 2023, employed diverse designs, with cross-sectional studies being the most prevalent. Melatonin concentration exhibited a consistent pattern, being higher at night, and elevated in colostrum. The analysis methods for melatonin concentration evolved, with recent advancements contributing to more accurate measurements. Factors influencing melatonin levels, such as delivery type, maternal age, and health conditions, demonstrated a complex relationship, potentially impacting the health and development of infants. The dynamic nature of melatonin in human milk calls for continued interdisciplinary research, bridging gaps between clinical, biochemical, and epidemiological perspectives. Standardizing melatonin analysis methods are needed. Nurses should assess factors influencing melatonin levels in milk to promote interventions and guidance aimed at enhancing the regulation of the circadian cycle during the perinatal period and its benefits.
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Affiliation(s)
| | | | - Dalete Mota
- University of Wisconsin - Eau Claire, Eau Claire, WI, USA
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Chauhan S, Pandey R, Vakani K, Norbury R, Ettinger U, Kumari V. Sleep quality mediates the association between chronotype and mental health in young Indian adults. NPJ MENTAL HEALTH RESEARCH 2024; 3:31. [PMID: 38914742 PMCID: PMC11196584 DOI: 10.1038/s44184-024-00076-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Accepted: 06/05/2024] [Indexed: 06/26/2024]
Abstract
There is increasing recognition of 'higher preference for eveningness' as a potential independent risk factor for poor mental health. To examine the chronotype-mental health relationship while also quantifying the potential roles of poor sleep quality, relevant personality traits, and childhood trauma, we assessed 282 young adults (18-40 years; 195 females) residing in North India, between January and March 2023 (to control for seasonal variation), using self-report measures of diurnal preference, sleep patterns, mental health (depression, anxiety, and stress), personality traits (extraversion, neuroticism, schizotypy, and impulsivity), and childhood trauma. The results showed a significant association between eveningness and poor mental health but this association was fully mediated by poor sleep quality. Neuroticism, emotional abuse and cognitive disorganisation were correlated with eveningness as well as with poor mental health and sleep quality. Neuroticism and emotional abuse, but not cognitive disorganisation, also had indirect effects on mental health via sleep quality. Our findings highlight the crucial role played by sleep quality in the chronotype-mental health relationship.
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Affiliation(s)
- Satyam Chauhan
- Division of Psychology, Department of Life Sciences, College of Health, Medicine and Life Sciences, Brunel University London, Uxbridge, UK.
- Centre for Cognitive and Clinical Neuroscience, College of Health, Medicine and Life Sciences, Brunel University London, Uxbridge, UK.
| | - Rakesh Pandey
- Department of Psychology, Faculty of Social Sciences, Banaras Hindu University, Varanasi, India
| | - Krupa Vakani
- Division of Psychology, Department of Life Sciences, College of Health, Medicine and Life Sciences, Brunel University London, Uxbridge, UK
- Centre for Cognitive and Clinical Neuroscience, College of Health, Medicine and Life Sciences, Brunel University London, Uxbridge, UK
| | - Ray Norbury
- Division of Psychology, Department of Life Sciences, College of Health, Medicine and Life Sciences, Brunel University London, Uxbridge, UK
- Centre for Cognitive and Clinical Neuroscience, College of Health, Medicine and Life Sciences, Brunel University London, Uxbridge, UK
| | | | - Veena Kumari
- Division of Psychology, Department of Life Sciences, College of Health, Medicine and Life Sciences, Brunel University London, Uxbridge, UK.
- Centre for Cognitive and Clinical Neuroscience, College of Health, Medicine and Life Sciences, Brunel University London, Uxbridge, UK.
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Roy A, Girija VS, Kitzlerová E. The Role of Momentary Dissociation in the Sensory Cortex: A Neurophysiological Review and its Implications for Maladaptive Daydreaming. Med Sci Monit 2024; 30:e944209. [PMID: 38848281 PMCID: PMC11166090 DOI: 10.12659/msm.944209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Accepted: 03/27/2024] [Indexed: 06/09/2024] Open
Abstract
Daydreaming, a form of spontaneous and self-generated mental process, may lead to the disintegration of attention from the immediate external environment. In extreme cases, patients may develop maladaptive daydreaming comorbid with dissociation. The examination of dissociative alterations frequently occurs within the framework of complex cognitive processes. While dissociation may be a neurological and psychological dysfunction of integration, transient dissociative occurrences, i.e., momentary dissociation may signify a dynamic interplay between attentional division and orientation within the sensory cortex. Furthermore, previous studies have recorded the interactivity of attention by stimuli onset with P3 event-related potentials and the active suppression of distractor positivity. In this context, during auditory and visual mismatch negativity, the sensory cortex may interact with attentional orientation. Additionally, distractor positivity during task-relevant stimuli may play a crucial role in predicting momentary dissociation since sensory cortices share cerebral correlates with attentional fluctuations during mental imagery. Thus, this theoretical review investigated the cerebral activities associated with attentional orientation and may be extended to mindfulness. By integrating these findings, we aim to provide a comprehensive understanding of dissociative states which may lead to a resolution for dissociative psychopathology.
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Affiliation(s)
- Anney Roy
- Department of Psychiatry, First Faculty of Medicine, Charles University in Prague and General University Hospital in Prague, Prague, Czech Republic
| | | | - Eva Kitzlerová
- Department of Psychiatry, First Faculty of Medicine, Charles University in Prague and General University Hospital in Prague, Prague, Czech Republic
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Gu ZH, Wang JY, Yang CX, Wu H. Study on the Profiles of Sleep Disorders, Associated Factors, and Pathways Among Gynecological Cancer Patients - A Latent Profile Analysis. Nat Sci Sleep 2024; 16:599-611. [PMID: 38827390 PMCID: PMC11144430 DOI: 10.2147/nss.s457651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Accepted: 05/12/2024] [Indexed: 06/04/2024] Open
Abstract
Background Gynecological cancer generally refers to malignant tumors in gynecology, commonly including cervical cancer, endometrial cancer, and ovarian cancer. Patients with gynecological cancer often suffer from sleep disorders after clinical treatment. Except for serious sleep disorders, female characteristics, family roles, and feudal beliefs make their self-stigma at a medium to high level, leading to huge pressure. This study aims to identify potential categories of sleep disorders, and analyze the relationship between self-stigma, perceived stress, and sleep disorders. Methods A cross-sectional study was conducted in 2021-2022. Two hundred and two patients' data were collected from ShengJing Hospital Affiliated to China Medical University in Liaoning, Shenyang by using paper questionnaires for face-to-face surveys. The survey tools included the Pittsburgh Sleep Quality Index (PSQI), the Perceived Stress Scale (PSS), and the Social Impact Scale (SIS). Potential profile analysis (LPA), multiple logistic regression analysis, and structural equation modeling (SEM) were performed by Mplus 8.3, SPSS 26.0, and Amos 24.0 statistical tools, respectively. Results Three latent patterns of sleep disorders were found: "Good Sleep group (42.5%)", "Sleep Deficiency group (32.4%)", and "Sleep Disturbance group (25.1%)". Patients with high perceived stress were more likely to report a moderate (OR=1.142, 95% CI: 1.061-1.230) or high (OR=1.455, 95% CI: 1.291-1.640) level of sleep disorders. Self-stigma did not have a direct effect on sleep disorders (0.055, P>0.05), but it could have indirect effect on sleep disorders through perceived stress (0.172, P<0.01). Conclusion The perceptions of sleep disorders among gynecological cancer patients varies and exhibits individual differences. Gynecological cancer patients who feels alienated or discriminated may cause high pressure. This internal pressure can exacerbate sleep disorders.
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Affiliation(s)
- Zhi Hui Gu
- Department of Social Medicine, China Medical University, Shenyang, People’s Republic of China
| | - Jia Yi Wang
- Department of Social Medicine, China Medical University, Shenyang, People’s Republic of China
| | - Chen Xin Yang
- Department of Social Medicine, China Medical University, Shenyang, People’s Republic of China
| | - Hui Wu
- Department of Social Medicine, China Medical University, Shenyang, People’s Republic of China
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Lokossou HA, Rabuffo G, Bernard M, Bernard C, Viola A, Perles-Barbacaru TA. Impact of the day/night cycle on functional connectome in ageing male and female mice. Neuroimage 2024; 290:120576. [PMID: 38490583 DOI: 10.1016/j.neuroimage.2024.120576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 03/07/2024] [Accepted: 03/12/2024] [Indexed: 03/17/2024] Open
Abstract
To elucidate how time of day, sex, and age affect functional connectivity (FC) in mice, we aimed to examine whether the mouse functional connectome varied with the day/night cycle and whether it depended on sex and age. We explored C57Bl6/J mice (6♀ and 6♂) at mature age (5 ± 1 months) and middle-age (14 ± 1 months). Each mouse underwent Blood Oxygen-Level-Dependent (BOLD) resting-state functional MRI (rs-fMRI) on a 7T scanner at four different times of the day, two under the light condition and two under the dark condition. Data processing consisted of group independent component analysis (ICA) and region-level analysis using resting-state networks (RSNs) derived from literature. Linear mixed-effect models (LMEM) were used to assess the effects of sex, lighting condition and their interactions for each RSN obtained with group-ICA (RSNs-GICA) and six bilateral RSNs adapted from literature (RSNs-LIT). Our study highlighted new RSNs in mice related to day/night alternation in addition to other networks already reported in the literature. In mature mice, we found sex-related differences in brain activation only in one RSNs-GICA comprising the cortical, hippocampal, midbrain and cerebellar regions of the right hemisphere. In males, brain activity was significantly higher in the left hippocampus, the retrosplenial cortex, the superior colliculus, and the cerebellum regardless of lighting condition; consistent with the role of these structures in memory formation and integration, sleep, and sex-differences in memory processing. Experimental constraints limited the analysis to the impact of light/dark cycle on the RSNs for middle-aged females. We detected significant activation in the pineal gland during the dark condition, a finding in line with the nocturnal activity of this gland. For the analysis of RSNs-LIT, new variables "sexage" (sex and age combined) and "edges" (pairs of RSNs) were introduced. FC was calculated as the Pearson correlation between two RSNs. LMEM revealed no effect of sexage or lighting condition. The FC depended on the edges, but there were no interaction effects between sexage, lighting condition and edges. Interaction effects were detected between i) sex and lighting condition, with higher FC in males under the dark condition, ii) sexage and edges with higher FC in male brain regions related to vision, memory, and motor action. We conclude that time of day and sex should be taken into account when designing, analyzing, and interpreting functional imaging studies in rodents.
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Affiliation(s)
- Houéfa Armelle Lokossou
- Centre for Magnetic Resonance in Biology and Medicine, CRMBM UMR 7339, Aix-Marseille University-CNRS, Marseille, France; Institute of Systems Neuroscience, INS UMR 1106, Aix-Marseille University-INSERM, Marseille, France.
| | - Giovanni Rabuffo
- Institute of Systems Neuroscience, INS UMR 1106, Aix-Marseille University-INSERM, Marseille, France
| | - Monique Bernard
- Centre for Magnetic Resonance in Biology and Medicine, CRMBM UMR 7339, Aix-Marseille University-CNRS, Marseille, France
| | - Christophe Bernard
- Institute of Systems Neuroscience, INS UMR 1106, Aix-Marseille University-INSERM, Marseille, France.
| | - Angèle Viola
- Centre for Magnetic Resonance in Biology and Medicine, CRMBM UMR 7339, Aix-Marseille University-CNRS, Marseille, France
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Del Casale A, Arena JF, Giannetti F, Minervino A, Biggio G, Girardi P. The use of prolonged-release melatonin in circadian medicine: a systematic review. Minerva Med 2024; 115:125-142. [PMID: 38713204 DOI: 10.23736/s0026-4806.24.09303-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/08/2024]
Abstract
INTRODUCTION Melatonin, a hormone produced by the pineal gland, regulates the sleep-wake cycle and is effective in restoring biological rhythms. Prolonged-release melatonin (PRM) is designed to mimic the natural physiological pattern of melatonin release. In circadian medicine, PRM can be used to treat sleep and circadian rhythm disorders, as well as numerous organic diseases associated with sleep disorders. EVIDENCE ACQUISITION This systematic review analyzed 62 studies and adhered to the PRISMA guidelines, examining the effectiveness of PRM in organic pathologies and mental disorders. EVIDENCE SYNTHESIS The main evidence concerns primary insomnia in subjects over the age of 55, showing significant improvements in sleep quality. In neurodevelopmental disorders, there is evidence of a positive impact on sleep quality and quality of life for patients and their caregivers. PRM shows efficacy in the treatment of sleep disorders in mood disorders, schizophrenia, and neurocognitive disorders, but requires further confirmation. The additional use of PRM is supported for the withdrawal of chronic benzodiazepine therapies. The tolerability and safety of PRM are excellent, with ample evidence supporting the absence of tolerance and dependence. CONCLUSIONS Overall, PRM in circadian medicine is an effective chronopharmaceutical for restoring the sleep-wake rhythm in patients with insomnia disorder. This efficacy may also extend to sleep disorders associated with mood, neurodevelopmental and neurocognitive disorders, suggesting a further potential role in insomnia associated with various organic diseases.
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Affiliation(s)
- Antonio Del Casale
- Department of Dynamic and Clinical Psychology and Health Studies, Faculty of Medicine and Psychology, Sapienza University, Rome, Italy -
- Emergency and Admissions Department, Unit of Psychiatry, Sant'Andrea University Hospital, Rome, Italy -
| | - Jan F Arena
- Department of Dynamic and Clinical Psychology and Health Studies, Faculty of Medicine and Psychology, Sapienza University, Rome, Italy
| | | | | | - Giovanni Biggio
- Department of Life and Environmental Sciences, Institute of Neurosciences, University of Cagliari, Cagliari, Italy
| | - Paolo Girardi
- Department of Dynamic and Clinical Psychology and Health Studies, Faculty of Medicine and Psychology, Sapienza University, Rome, Italy
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Chen J, Ma W, Yue S, Li D, Chen L, Zhang C, Guan Y, Li C, Jiang C, Liao G, Liang C, Wang H, Tai S. Dual deficiency of melatonin and dihydrotestosterone promotes stromal cell damage and mediates prostatitis via the cGAS-STING pathway in sleep-deprived mice. Cell Commun Signal 2024; 22:183. [PMID: 38491517 PMCID: PMC10941623 DOI: 10.1186/s12964-024-01554-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Accepted: 03/02/2024] [Indexed: 03/18/2024] Open
Abstract
PURPOSE Prostatitis is a highly prevalent condition that seriously affects men's physical and mental health. Although epidemiological investigations have provided evidence of a correlation between insufficient sleep and prostatitis, the pathogenesis of prostatitis remains unclear. We sought to identify the underlying mechanism involved and identify a promising therapeutic target. METHODS Sleep deprivation (SD) was utilized to establish a mouse model of insufficient sleep in a special device. Prostatitis was observed at different time points post-SD. The degree of prostatitis was evaluated by pathological section and behavioural tests. Using immunofluorescence, western blot, and proteomic analyses, the underlying mechanism of SD-related prostatitis was investigated, and the development and therapeutic target of prostatitis were elucidated. RESULTS SD, as an initial pathological trigger, resulted in a reduction in dihydrotestosterone and melatonin levels. Proteomic analysis revealed that the cGAS-STING pathway may play a significant role in inducing prostatitis. The subsequent results illustrated that the dual reduction in dihydrotestosterone and melatonin led to an accumulation of reactive oxygen species and the release of mitochondrial DNA (mt-DNA). The accumulation of mt-DNA activated the cGAS-STING pathway, which recruited inflammatory cells into the prostatic stroma through the secretion of interferon-β. Consequently, an inflammatory microenvironment was formed, ultimately promoting the development of prostatitis. Notably, mice with SD-induced prostatitis gradually recovered to a normal state within 7 days of recovery sleep. However, after being subjected to SD again, these mice tended to have a more pronounced manifestation of prostatitis within a shorter timeframe, which suggested that prostatitis is prone to relapse. CONCLUSIONS The cGAS-STING pathway activated by dual deficiency of dihydrotestosterone and melatonin plays a comprehensive inflammatory role in SD-related prostatitis. This research provides valuable insights into the pathogenesis, therapeutic targets, and prevention strategies of prostatitis.
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Affiliation(s)
- Jia Chen
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Institute of Urology, Anhui Medical University, Anhui Province Key Laboratory of Genitourinary Diseases, Hefei, 230022, P.R. China
| | - Wenming Ma
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Institute of Urology, Anhui Medical University, Anhui Province Key Laboratory of Genitourinary Diseases, Hefei, 230022, P.R. China
| | - Shaoyu Yue
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Institute of Urology, Anhui Medical University, Anhui Province Key Laboratory of Genitourinary Diseases, Hefei, 230022, P.R. China
| | - Dongsheng Li
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Institute of Urology, Anhui Medical University, Anhui Province Key Laboratory of Genitourinary Diseases, Hefei, 230022, P.R. China
| | - Lei Chen
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Institute of Urology, Anhui Medical University, Anhui Province Key Laboratory of Genitourinary Diseases, Hefei, 230022, P.R. China
| | - Cheng Zhang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Institute of Urology, Anhui Medical University, Anhui Province Key Laboratory of Genitourinary Diseases, Hefei, 230022, P.R. China
| | - Yu Guan
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Institute of Urology, Anhui Medical University, Anhui Province Key Laboratory of Genitourinary Diseases, Hefei, 230022, P.R. China
| | - Chun Li
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Institute of Urology, Anhui Medical University, Anhui Province Key Laboratory of Genitourinary Diseases, Hefei, 230022, P.R. China
| | - Changqin Jiang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Institute of Urology, Anhui Medical University, Anhui Province Key Laboratory of Genitourinary Diseases, Hefei, 230022, P.R. China
| | - Guiyi Liao
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Institute of Urology, Anhui Medical University, Anhui Province Key Laboratory of Genitourinary Diseases, Hefei, 230022, P.R. China
| | - Chaozhao Liang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Institute of Urology, Anhui Medical University, Anhui Province Key Laboratory of Genitourinary Diseases, Hefei, 230022, P.R. China.
| | - Hui Wang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Institute of Urology, Anhui Medical University, Anhui Province Key Laboratory of Genitourinary Diseases, Hefei, 230022, P.R. China.
| | - Sheng Tai
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Institute of Urology, Anhui Medical University, Anhui Province Key Laboratory of Genitourinary Diseases, Hefei, 230022, P.R. China.
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Alqutub ST, Alzahrani FA, Hassan AS, Alirbidi AH, Alraddadi OA, AlSadah OA, Yamani MB, Tobaiqy M. Exogenous Melatonin Use in University Students: A Cross-Sectional Survey. PHARMACY 2024; 12:41. [PMID: 38525721 PMCID: PMC10961763 DOI: 10.3390/pharmacy12020041] [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: 01/24/2024] [Revised: 02/14/2024] [Accepted: 02/21/2024] [Indexed: 03/26/2024] Open
Abstract
To assess the prevalence of melatonin use and its perceived benefits among university students in different specialties in Saudi Arabia, a cross-sectional survey was conducted between March and June 2023. Data about demographics, time of melatonin use, perceived reasons for exogenous melatonin use, melatonin use in relation to exam periods, perceived safety, and adverse effects was gathered. Of 380 students, ~52% reported using exogenous melatonin for sleep disorders. Most participants reported using melatonin during and after exam periods. Additionally, several (n = 157; 75.4%) believed that its use was safe. The predominant use patterns were daily and as needed, and this study observed a higher rate of use compared with previous studies in Saudi Arabia. The most frequently reported adverse effect was headache (n = 36; 37.5%). A significant number of undergraduate male students in health specialties used melatonin. A high rate of melatonin use was noted during exam periods, which was attributed to sleep deprivation. Additionally, a significant number of students from private universities reported using exogenous melatonin. Melatonin use is common among university students. Future research should use a reliable psychometric measure to test its effect on university students' sleep quality and quantity.
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Affiliation(s)
- Sulafa T. Alqutub
- Department of Family and Community Medicine, College of Medicine, University of Jeddah, Jeddah P.O. Box 45311, Saudi Arabia
| | - Faris A. Alzahrani
- College of Medicine, University of Jeddah, Jeddah P.O. Box 45311, Saudi Arabia; (F.A.A.); (A.S.H.); (A.H.A.); (O.A.A.); (O.A.A.); (M.B.Y.)
| | - Abdulrahman S. Hassan
- College of Medicine, University of Jeddah, Jeddah P.O. Box 45311, Saudi Arabia; (F.A.A.); (A.S.H.); (A.H.A.); (O.A.A.); (O.A.A.); (M.B.Y.)
| | - Abdullah H. Alirbidi
- College of Medicine, University of Jeddah, Jeddah P.O. Box 45311, Saudi Arabia; (F.A.A.); (A.S.H.); (A.H.A.); (O.A.A.); (O.A.A.); (M.B.Y.)
| | - Osama A. Alraddadi
- College of Medicine, University of Jeddah, Jeddah P.O. Box 45311, Saudi Arabia; (F.A.A.); (A.S.H.); (A.H.A.); (O.A.A.); (O.A.A.); (M.B.Y.)
| | - Omar A. AlSadah
- College of Medicine, University of Jeddah, Jeddah P.O. Box 45311, Saudi Arabia; (F.A.A.); (A.S.H.); (A.H.A.); (O.A.A.); (O.A.A.); (M.B.Y.)
| | - Mohammad B. Yamani
- College of Medicine, University of Jeddah, Jeddah P.O. Box 45311, Saudi Arabia; (F.A.A.); (A.S.H.); (A.H.A.); (O.A.A.); (O.A.A.); (M.B.Y.)
| | - Mansour Tobaiqy
- Department of Pharmacology, College of Medicine, University of Jeddah, Jeddah P.O. Box 45311, Saudi Arabia;
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Fornaro M, Caiazza C, De Simone G, Rossano F, de Bartolomeis A. Insomnia and related mental health conditions: Essential neurobiological underpinnings towards reduced polypharmacy utilization rates. Sleep Med 2024; 113:198-214. [PMID: 38043331 DOI: 10.1016/j.sleep.2023.11.033] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 11/05/2023] [Accepted: 11/21/2023] [Indexed: 12/05/2023]
Abstract
Insomnia represents a significant public health burden, with a 10% prevalence in the general population. Reduced sleep affects social and working functioning, productivity, and patient's quality of life, leading to a total of $100 billion per year in direct and indirect healthcare costs. Primary insomnia is unrelated to any other mental or medical illness; secondary insomnia co-occurs with other underlying medical, iatrogenic, or mental conditions. Epidemiological studies found a 40-50% comorbidity prevalence between insomnia and psychiatric disorders, suggesting a high relevance of mental health in insomniacs. Sleep disturbances also worsen the outcomes of several psychiatric disorders, leading to more severe psychopathology and incomplete remission, plausibly contributing to treatment-resistant conditions. Insomnia and psychiatric disorder coexistence can lead to polypharmacy, namely, the concurrent use of two or more medications in the same patient, regardless of their purpose or rationale. Polypharmacy increases the risk of using unnecessary drugs, the likelihood of drug interactions and adverse events, and reduces the patient's compliance due to regimen complexity. The workup of insomnia must consider the patient's sleep habits and inquire about any medical and mental concurrent conditions that must be handled to allow insomnia to be remitted adequately. Monotherapy or limited polypharmacy should be preferred, especially in case of multiple comorbidities, promoting multipurpose molecules with sedative properties and with bedtime administration. Also, non-pharmacological interventions for insomnia, such as sleep hygiene, relaxation training and Cognitive Behavioral Therapy may be useful in secondary insomnia to confront behaviors and thoughts contributing to insomnia and help optimizing the pharmacotherapy. However, insomnia therapy should always be patient-tailored, considering drug indications, contraindications, and pharmacokinetics, besides insomnia phenotype, clinical picture, patient preferences, and side effect profile.
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Affiliation(s)
- Michele Fornaro
- Clinical Section of Psychiatry and Psychology, Department of Neuroscience, Reproductive Sciences, and Odontostomatology, University School of Medicine Federico II, Naples, Italy
| | - Claudio Caiazza
- Clinical Section of Psychiatry and Psychology, Department of Neuroscience, Reproductive Sciences, and Odontostomatology, University School of Medicine Federico II, Naples, Italy.
| | - Giuseppe De Simone
- Clinical Section of Psychiatry and Psychology, Department of Neuroscience, Reproductive Sciences, and Odontostomatology, University School of Medicine Federico II, Naples, Italy; Laboratory of Molecular and Translational Psychiatry, University School of Medicine of Naples Federico II, Naples, Italy
| | - Flavia Rossano
- Clinical Section of Psychiatry and Psychology, Department of Neuroscience, Reproductive Sciences, and Odontostomatology, University School of Medicine Federico II, Naples, Italy
| | - Andrea de Bartolomeis
- Clinical Section of Psychiatry and Psychology, Department of Neuroscience, Reproductive Sciences, and Odontostomatology, University School of Medicine Federico II, Naples, Italy; Laboratory of Molecular and Translational Psychiatry, University School of Medicine of Naples Federico II, Naples, Italy
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Taylor BJ, Pedersen KA, Mazefsky CA, Lamy MA, Reynolds CF, Strathmann WR, Siegel M. From Alert Child to Sleepy Adolescent: Age Trends in Chronotype, Social Jetlag, and Sleep Problems in Youth with Autism. J Autism Dev Disord 2023:10.1007/s10803-023-06187-0. [PMID: 38017309 PMCID: PMC11215932 DOI: 10.1007/s10803-023-06187-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/06/2023] [Indexed: 11/30/2023]
Abstract
PURPOSE Developmental changes in sleep in youth with autism spectrum disorder (ASD) are understudied. In non-ASD youth, adolescents exhibit a "night owl chronotype" (i.e., later sleep/wake timing) and social jetlag (i.e., shifts in sleep timing across school nights and weekends), with corresponding sleep problems. The purpose of this study is to evaluate age trends in chronotype, social jetlag, and sleep problems in high-risk youth with ASD. METHODS Youth with ASD (N = 171), ages 5-21 years old, were enrolled at the time of admission to specialized psychiatric units. Caregivers reported children's demographic information, habitual sleep timing, and sleep problems. Multivariate analyses evaluated the effect of age on chronotype, social jetlag, and sleep problems and the effects of chronotype and social jetlag on sleep problems. Covariates and moderators included sex, race, verbal ability, autism symptom severity, supplemental melatonin, and pubertal status. RESULTS Older age was associated with later chronotype, more social jetlag, fewer sleep anxiety/co-sleeping problems, fewer night waking and parasomnia problems, and more daytime alertness problems. The effect of age on chronotype was stronger for youth with greater social affective symptom severity. Mediation analyses showed that later chronotype statistically mediated the association between age and daytime alertness problems. CONCLUSIONS Youth with ASD may exhibit night owl chronotype behavior and social jetlag as they enter adolescence. Shifts toward a later chronotype may be exacerbated by autism severity and may contribute to alertness problems and sleepiness during the day. Chronotype is modifiable and may be leveraged to improve daytime functioning in youth with ASD.
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Affiliation(s)
- Briana J Taylor
- Life Sciences and Medical Research, The Roux Institute at Northeastern University, 100 Fore Street, Portland, ME, 04101, USA.
- Department of Psychology, Northeastern University, Boston, MA, USA.
- MaineHealth, Center for Clinical and Translational Science, Portland, ME, USA.
| | - Kahsi A Pedersen
- MaineHealth, Center for Clinical and Translational Science, Portland, ME, USA
- Department of Psychiatry, Tufts University School of Medicine, Boston, MA, USA
| | - Carla A Mazefsky
- Department of Psychiatry, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Martine A Lamy
- Department of Psychiatry and Behavioral Neuroscience, University of Cincinnati, Cincinnati, OH, USA
| | - Charles F Reynolds
- MaineHealth, Center for Clinical and Translational Science, Portland, ME, USA
- Department of Psychiatry, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | | | - Matthew Siegel
- MaineHealth, Center for Clinical and Translational Science, Portland, ME, USA
- Department of Psychiatry, Tufts University School of Medicine, Boston, MA, USA
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Feybesse C, Chokron S, Tordjman S. Melatonin in Neurodevelopmental Disorders: A Critical Literature Review. Antioxidants (Basel) 2023; 12:2017. [PMID: 38001870 PMCID: PMC10669594 DOI: 10.3390/antiox12112017] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Revised: 10/29/2023] [Accepted: 10/31/2023] [Indexed: 11/26/2023] Open
Abstract
The article presents a review of the relationships between melatonin and neurodevelopmental disorders. First, the antioxidant properties of melatonin and its physiological effects are considered to understand better the role of melatonin in typical and atypical neurodevelopment. Then, several neurodevelopmental disorders occurring during infancy, such as autism spectrum disorder or neurogenetic disorders associated with autism (including Smith-Magenis syndrome, Angelman syndrome, Rett's syndrome, Tuberous sclerosis, or Williams-Beuren syndrome) and neurodevelopmental disorders occurring later in adulthood like bipolar disorder and schizophrenia, are discussed with regard to impaired melatonin production and circadian rhythms, in particular, sleep-wake rhythms. This article addresses the issue of overlapping symptoms that are commonly observed within these different mental conditions and debates the role of abnormal melatonin production and altered circadian rhythms in the pathophysiology and behavioral expression of these neurodevelopmental disorders.
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Affiliation(s)
- Cyrille Feybesse
- Pôle Hospitalo-Universitaire de Psychiatrie de l’Enfant et de l’Adolescent (PHUPEA), Centre Hospitalier Guillaume Regnier, 154 rue de Châtillon, 35000 Rennes, France
| | - Sylvie Chokron
- Integrative Neuroscience and Cognition Center (INCC), CNRS UMR 8002, Université Paris Cité, 45 rue des Saints-Pères, 75006 Paris, France;
| | - Sylvie Tordjman
- Pôle Hospitalo-Universitaire de Psychiatrie de l’Enfant et de l’Adolescent (PHUPEA), Centre Hospitalier Guillaume Regnier, 154 rue de Châtillon, 35000 Rennes, France
- Integrative Neuroscience and Cognition Center (INCC), CNRS UMR 8002, Université Paris Cité, 45 rue des Saints-Pères, 75006 Paris, France;
- Faculté de Médecine, Université de Rennes, 2 Avenue du Professeur Léon Bernard, 35000 Rennes, France
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14
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Checa-Ros A, Muñoz-Hoyos A, Molina-Carballo A, Viejo-Boyano I, Chacín M, Bermúdez V, D'Marco L. Low Doses of Melatonin to Improve Sleep in Children with ADHD: An Open-Label Trial. CHILDREN (BASEL, SWITZERLAND) 2023; 10:1121. [PMID: 37508618 PMCID: PMC10378280 DOI: 10.3390/children10071121] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 06/22/2023] [Accepted: 06/26/2023] [Indexed: 07/30/2023]
Abstract
OBJECTIVE Only a few studies assessing the sleep effects of low doses of melatonin (aMT) have been performed in the past, most of them in adults, and only one in subjects with attention-deficit/hyperactivity disorder (ADHD). The aim of this study was to provide evidence of the changes induced by aMT doses as low as 1 mg in the sleep pattern of pediatric patients with ADHD under treatment with methylphenidate (MPH). METHODS Children and adolescents (7-15 years) with ADHD who were receiving extended-release MPH were recruited. A seven-week sleep diary was collected prior to starting a four-week treatment with 1 mg of aMT (30 min before bedtime). Seven-day actigraphic assessments of sleep were performed before and after treatment. RESULTS Twenty-seven patients (17 males, 62.96%) participated in the study, who had been receiving MPH for 1.57 (1.11) months. A significant increase in sleep duration (TST) was observed after one month of treatment (463 (49) min to 485 (41) min; p < 0.040), with nonsignificant improvements in sleep-onset latency (SOL), nocturnal awakenings, or sleep efficiency. Only minor adverse effects were reported. CONCLUSION Low doses of melatonin (1 mg) are able to increase TST in children and adolescents with ADHD receiving treatment with psychostimulants, with an adequate tolerability profile. Further placebo-controlled trials adjusting the time of aMT administration to the individual circadian profile should explore the effects of low doses of this hormone to shorten SOL in this population of patients.
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Affiliation(s)
- Ana Checa-Ros
- Grupo de Investigación en Enfermedades Cardiorrenales y Metabólicas, Departamento de Medicina y Cirugía, Facultad de Ciencias de la Salud, Universidad Cardenal Herrera-CEU, CEU Universities, Calle Santiago Ramón y Cajal s/n, Alfara del Patriarca, 46115 Valencia, Spain
- Aston Institute of Health & Neurodevelopment, School of Life & Health Sciences, Aston University, The Aston Triangle, Birmingham B4 7ET, UK
| | - Antonio Muñoz-Hoyos
- Departamento de Pediatría, Facultad de Medicina, Universidad de Granada, Avda. De La Investigación 11, 18016 Granada, Spain
| | - Antonio Molina-Carballo
- Departamento de Pediatría, Facultad de Medicina, Universidad de Granada, Avda. De La Investigación 11, 18016 Granada, Spain
| | - Iris Viejo-Boyano
- Departamento de Nefrología, Hospital Universitari I Politècnic La Fe, Avda. Fernando Abril Martorell 106, 46026 Valencia, Spain
| | - Maricarmen Chacín
- Facultad de Ciencias de la Salud. Barranquilla, Universidad Simón Bolívar, Barranquilla 080002, Colombia
| | - Valmore Bermúdez
- Facultad de Ciencias de la Salud. Barranquilla, Universidad Simón Bolívar, Barranquilla 080002, Colombia
| | - Luis D'Marco
- Grupo de Investigación en Enfermedades Cardiorrenales y Metabólicas, Departamento de Medicina y Cirugía, Facultad de Ciencias de la Salud, Universidad Cardenal Herrera-CEU, CEU Universities, Calle Santiago Ramón y Cajal s/n, Alfara del Patriarca, 46115 Valencia, Spain
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Nasini S, Tidei S, Shkodra A, De Gregorio D, Cambiaghi M, Comai S. Age-Related Effects of Exogenous Melatonin on Anxiety-like Behavior in C57/B6J Mice. Biomedicines 2023; 11:1705. [PMID: 37371801 DOI: 10.3390/biomedicines11061705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Revised: 06/02/2023] [Accepted: 06/09/2023] [Indexed: 06/29/2023] Open
Abstract
The synthesis of melatonin (MLT) physiologically decreases during aging. Treatment with MLT has shown anxiolytic, hypnotic, and analgesic effects, but little is known about possible age-dependent differences in its efficacy. Therefore, we studied the effects of MLT (20 mg/kg, intraperitoneal) on anxiety-like behavior (open field (OFT), elevated plus maze (EPMT), three-chamber sociability, and marble-burying (MBT) tests), and the medial prefrontal cortex (mPFC)-dorsal hippocampus (dHippo) circuit in adolescent (35-40 days old) and adult (three-five months old) C57BL/6 male mice. MLT did not show any effect in adolescents in the OFT and EPMT. In adults, compared to vehicles, it decreased locomotor activity and time spent in the center of the arena in the OFT and time spent in the open arms in the EPMT. In the MBT, no MLT effects were observed in both age groups. In the three-chamber sociability test, MLT decreased sociability and social novelty in adults, while it increased sociability in adolescents. Using local field potential recordings, we found higher mPFC-dHippo synchronization in the delta and low-theta frequency ranges in adults but not in adolescents after MLT treatment. Here, we show age-dependent differences in the effects of MLT in anxiety paradigms and in the modulation of the mPFC-dHippo circuit, indicating that when investigating the pharmacology of the MLT system, age can significantly impact the study outcomes.
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Affiliation(s)
- Sofia Nasini
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, 35131 Padova, Italy
| | - Sara Tidei
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, 35131 Padova, Italy
| | - Atea Shkodra
- IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
- School of Medicine, Vita Salute San Raffaele University, 20132 Milan, Italy
| | - Danilo De Gregorio
- IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
- School of Medicine, Vita Salute San Raffaele University, 20132 Milan, Italy
| | - Marco Cambiaghi
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, 37134 Verona, Italy
| | - Stefano Comai
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, 35131 Padova, Italy
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, 37134 Verona, Italy
- Department of Biomedical Sciences, University of Padova, 35131 Padova, Italy
- Department of Psychiatry, McGill University, Montreal, QC H3A 1A1, Canada
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Chauhan S, Barbanta A, Ettinger U, Kumari V. Pineal Abnormalities in Psychosis and Mood Disorders: A Systematic Review. Brain Sci 2023; 13:827. [PMID: 37239299 PMCID: PMC10216209 DOI: 10.3390/brainsci13050827] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 05/15/2023] [Accepted: 05/17/2023] [Indexed: 05/28/2023] Open
Abstract
The pineal gland (PG) is a small interhemispheric brain structure that influences human physiology in many ways, most importantly via secretion of the hormone melatonin which is known to regulate sleep and wakefulness. Here, we systematically reviewed existing neuroimaging studies of PG structure, and/or melatonin release (MLT) in psychosis and mood disorders. Medline, PubMed, and Web of Science databases were searched (on 3 February 2023), yielding 36 studies (8 PG volume, 24 MLT). The findings showed smaller-than-normal PG volume in people with schizophrenia, regardless of symptom severity and illness stage; and smaller-than-normal PG volume in major depression, with some indication of this being present only in certain subgroups, or in those with high scores on the 'loss of interest' symptom. There was considerable evidence of lower-than-normal MLT as well as aberrant MLT secretion pattern in schizophrenia. A similar picture, though less consistent than that seen in schizophrenia, emerged in major depression and bipolar disorder, with some evidence of a transient lowering of MLT following the initiation of certain antidepressants in drug-withdrawn patients. Overall, PG and MLT aberrations appear to represent transdiagnostic biomarkers for psychosis and mood disorders, but further work is needed to establish their clinical correlates and treatment implications.
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Affiliation(s)
- Satyam Chauhan
- Department of Life Sciences, College of Health, Medicine and Life Sciences, Brunel University London, London UB8 3PH, UK; (S.C.); (A.B.)
| | - Andrei Barbanta
- Department of Life Sciences, College of Health, Medicine and Life Sciences, Brunel University London, London UB8 3PH, UK; (S.C.); (A.B.)
| | - Ulrich Ettinger
- Department of Psychology, University of Bonn, 53111 Bonn, Germany;
| | - Veena Kumari
- Department of Life Sciences, College of Health, Medicine and Life Sciences, Brunel University London, London UB8 3PH, UK; (S.C.); (A.B.)
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Moon E, Lee JH. Safety issues regarding melatonin use in child and adolescent patients with sleep problems. KOSIN MEDICAL JOURNAL 2022. [DOI: 10.7180/kmj.22.142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Several studies have reported that melatonin may be effective in treating sleep problems in children and adolescents. However, evidence regarding the safety of melatonin use in children and adolescents in their growth and developmental stages is warranted. Therefore, we aimed to summarize the literature on the safety of melatonin use in children and adolescents with insomnia and sleep disturbances. According to existing evidence, there are no serious adverse effects of long-term melatonin use in children and adolescents. The common adverse effects reported in long-term studies are fatigue, somnolence, and mood swings. In addition, there is no evidence that long-term use of melatonin inhibits the natural secretion of melatonin. It is necessary to monitor potential drug interactions with medications such as inhibitors and enhancers of cytochrome P450 1A2 (CYP1A2). Furthermore, low CYP1A2 expression in young children requires proper dose adjustment. Although sufficient experience of melatonin use in children and adolescents has yet to be attained, accumulating evidence suggests that the use of melatonin in children and adolescents with sleep problems might be effective and tolerable. Considering the abuse or overdose risk of hypnotics or benzodiazepines, melatonin supplements may be a good therapeutic alternative. Future studies on the long-term safety of melatonin for physiological and mental function in children and adolescents are required to establish certainty about melatonin use in children and adolescents.
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