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Giri A, Mehan S, Khan Z, Das Gupta G, Narula AS, Kalfin R. Modulation of neural circuits by melatonin in neurodegenerative and neuropsychiatric disorders. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024; 397:3867-3895. [PMID: 38225412 DOI: 10.1007/s00210-023-02939-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Accepted: 12/30/2023] [Indexed: 01/17/2024]
Abstract
Neurodegenerative and neuropsychiatric disorders are two broad categories of neurological disorders characterized by progressive impairments in movement and cognitive functions within the central and peripheral nervous systems, and have emerged as a significant cause of mortality. Oxidative stress, neuroinflammation, and neurotransmitter imbalances are recognized as prominent pathogenic factors contributing to cognitive deficits and neurobehavioral anomalies. Consequently, preventing neurodegenerative and neuropsychiatric diseases has surfaced as a pivotal challenge in contemporary public health. This review explores the investigation of neurodegenerative and neuropsychiatric disorders using both synthetic and natural bioactive compounds. A central focus lies on melatonin, a neuroregulatory hormone secreted by the pineal gland in response to light-dark cycles. Melatonin, an amphiphilic molecule, assumes multifaceted roles, including scavenging free radicals, modulating energy metabolism, and synchronizing circadian rhythms. Noteworthy for its robust antioxidant and antiapoptotic properties, melatonin exhibits diverse neuroprotective effects. The inherent attributes of melatonin position it as a potential key player in the pathophysiology of neurological disorders. Preclinical and clinical studies have demonstrated melatonin's efficacy in alleviating neuropathological symptoms across neurodegenerative and neuropsychiatric conditions (depression, schizophrenia, bipolar disorder, and autism spectrum disorder). The documented neuroprotective prowess of melatonin introduces novel therapeutic avenues for addressing neurodegenerative and psychiatric disorders. This comprehensive review encompasses many of melatonin's applications in treating diverse brain disorders. Despite the strides made, realizing melatonin's full neuroprotective potential necessitates further rigorous clinical investigations. By unravelling the extended neuroprotective benefits of melatonin, future studies promise to deepen our understanding and augment the therapeutic implications against neurological deficits.
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Affiliation(s)
- Aditi Giri
- Division of Neuroscience, Department of Pharmacology, ISF College of Pharmacy Moga, Punjab, India
| | - Sidharth Mehan
- Division of Neuroscience, Department of Pharmacology, ISF College of Pharmacy Moga, Punjab, India.
- IK Gujral Punjab Technical University, Jalandhar, Punjab, 144603, India.
| | - Zuber Khan
- Division of Neuroscience, Department of Pharmacology, ISF College of Pharmacy Moga, Punjab, India
- IK Gujral Punjab Technical University, Jalandhar, Punjab, 144603, India
| | | | - Acharan S Narula
- Narula Research, LLC, 107 Boulder Bluff, Chapel Hill, NC, 27516, USA
| | - Reni Kalfin
- Institute of Neurobiology, Bulgarian Academy of Sciences, Acad. G. Bonchev St., Block 23, Sofia, 1113, Bulgaria
- Department of Healthcare, South-West University "NeofitRilski", Ivan Mihailov St. 66, Blagoevgrad, 2700, Bulgaria
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Jääkallio P, Kuula L, Pesonen AK. Temporal pathways between circadian rhythm, depression and anxiety in the transition from adolescence to early adulthood. J Affect Disord 2024; 350:656-664. [PMID: 38244801 DOI: 10.1016/j.jad.2024.01.141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 01/09/2024] [Accepted: 01/14/2024] [Indexed: 01/22/2024]
Abstract
BACKGROUND Sleep and circadian rhythm problems intertwine with affective disorders. Adolescents are particularly vulnerable to developing sleep and affective problems. Yet, the temporal pathways between circadian rhythm, depression and anxiety in the transition phase from adolescence to early adulthood are not fully understood. METHODS 233 adolescents (76 % females) participated at two time points (T1 and T2) at an interval of 19-months (aged 16.8 and 18.4 years). We used The Beck Depression Inventory-II, Generalized Anxiety Disorder Assessment, GENEActiv actigraphy across 8 days (delayed sleep phase (DSP), sleep duration, midpoint, and regularity), and iButton 1922L thermologgers across 3 days (intrinsic circadian period length, amplitude, and mesor). RESULTS A shorter sleep duration at T1 associated with an increase in affective problems at T2, and affective problems at T1 associated with an increase in sleep irregularity at T2. A longer circadian period at T1 associated with an increase in males' affective problems at T2. Moderate to severe depression and anxiety at T1 associated with a 2.69-fold risk (95 % CI 1.38-5.26, p = 0.004) and 2.11-fold risk (95 % CI 1.04-4.25, p = 0.038) of poor sleep quality at T2. Moderate to severe generalized anxiety associated with a 3.17-fold risk (95 % CI 1.35-7.41, p = 0.008) of DSP at T2. LIMITATIONS The follow-up period is short. CONCLUSIONS The results revealed bidirectional temporal links between sleep and affective problems. Novel observations include a heightened risk of future DSP following a current anxiety disorder and a heightened risk of affective problems following a longer circadian period measured from the 24-hour temperature variation in males.
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Affiliation(s)
- Pirita Jääkallio
- Faculty of Medicine, SleepWell Research Program, University of Helsinki, Finland
| | - Liisa Kuula
- Faculty of Medicine, SleepWell Research Program, University of Helsinki, Finland
| | - Anu-Katriina Pesonen
- Faculty of Medicine, SleepWell Research Program, University of Helsinki, Finland.
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Li X, Yu J, Jiang S, Fang L, Li Y, Ma S, Kong H, Qin X, Zhu D. Circadian rhythms of melatonin and its relationship with anhedonia in patients with mood disorders: a cross-sectional study. BMC Psychiatry 2024; 24:165. [PMID: 38413912 PMCID: PMC10900661 DOI: 10.1186/s12888-024-05606-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Accepted: 02/12/2024] [Indexed: 02/29/2024] Open
Abstract
BACKGROUND Mood disorders are strongly associated with melatonin disturbances. However, it is unclear whether there is a difference in melatonin concentrations and melatonin circadian rhythm profiles between depression and bipolar disorder. In addition, the relationship between anhedonia, a common symptom of affective disorders, and its melatonin circadian rhythm remains under-investigated. METHODS Thirty-four patients with depression disorder, 20 patients diagnosed with bipolar disorder and 21 healthy controls participated in this study. The Revised Physical Anhedonia Scale (RPAS) was performed to assess anhedonia. Saliva samples were collected from all subjects at fixed time points (a total of 14 points) in two consecutive days for measuring the melatonin concentrations to fit circadian rhythms of subjects. Melatonin circadian rhythms were compared between the three groups using ANOVA. Partial correlation analysis and linear regression analysis were used to explore the correlation between melatonin rhythm variables and anhedonia. RESULTS We found that the peak phase of melatonin in the depression group was significantly advanced compared to the control group (P < 0.001) and the bipolar disorder group (P = 0.004). The peak phase of melatonin and RPAS showed a negative correlation (P = 0.003) in depression patients, which was also demonstrated in the multiple linear regression model (B=-2.47, P = 0.006). CONCLUSIONS These results suggest that circadian rhythms of melatonin are differentiated in depression and bipolar disorder and correlate with anhedonia in depression. Future research needs to explore the neurobiological mechanisms linking anhedonia and melatonin circadian rhythms in depressed patients.
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Affiliation(s)
- Xinyu Li
- The School of Mental Health and Psychological Sciences, Anhui Medical University, 230032, Hefei, China
- Department of Sleep Disorders, Anhui Mental Health Center, 230022, Hefei, China
- Department of Sleep Disorders, Hefei Fourth People's Hospital, 230022, Hefei, China
| | - Jiakuai Yu
- Department of Sleep Disorders, Anhui Mental Health Center, 230022, Hefei, China
- Department of Sleep Disorders, Hefei Fourth People's Hospital, 230022, Hefei, China
| | - Shuo Jiang
- Institutes of Physical Science and Information Technology, Anhui University, 230039, Hefei, China
| | - Liang Fang
- Department of Sleep Disorders, Anhui Mental Health Center, 230022, Hefei, China
- Department of Sleep Disorders, Hefei Fourth People's Hospital, 230022, Hefei, China
| | - Yifei Li
- The School of Mental Health and Psychological Sciences, Anhui Medical University, 230032, Hefei, China
- Department of Sleep Disorders, Anhui Mental Health Center, 230022, Hefei, China
- Department of Sleep Disorders, Hefei Fourth People's Hospital, 230022, Hefei, China
| | - Shuangshuang Ma
- School of Nursing, Anhui Medical University, 230032, Hefei, China
| | - Hui Kong
- The School of Mental Health and Psychological Sciences, Anhui Medical University, 230032, Hefei, China
- Department of Sleep Disorders, Anhui Mental Health Center, 230022, Hefei, China
- Department of Sleep Disorders, Hefei Fourth People's Hospital, 230022, Hefei, China
| | - Ximing Qin
- Institutes of Physical Science and Information Technology, Anhui University, 230039, Hefei, China.
| | - Daomin Zhu
- The School of Mental Health and Psychological Sciences, Anhui Medical University, 230032, Hefei, China.
- Department of Sleep Disorders, Anhui Mental Health Center, 230022, Hefei, China.
- Department of Sleep Disorders, Hefei Fourth People's Hospital, 230022, Hefei, China.
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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:brainsci13050827. [PMID: 37239299 DOI: 10.3390/brainsci13050827] [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: 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
| | - Andrei Barbanta
- Department of Life Sciences, College of Health, Medicine and Life Sciences, Brunel University London, London UB8 3PH, UK
| | - 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
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Hussain A, Gopalakrishnan A, Muthuvel B, Hussaindeen JR, Narayanasamy A, Sivaraman V. Young adults with myopia have lower concentrations of neuromodulators-dopamine and melatonin in serum and tear. Exp Eye Res 2021; 209:108684. [PMID: 34175263 DOI: 10.1016/j.exer.2021.108684] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 06/17/2021] [Accepted: 06/21/2021] [Indexed: 11/24/2022]
Abstract
The purpose of this experimental case-control study was to explore the association between myopia and concentration of dopamine and melatonin in serum and tear fluid among young myopic adults, compared to age matched non-myopic controls. Healthy myopic adults with Spherical equivalent refraction (SER) of ≤ -0.50 D to -6.00 D and emmetropic adults were included in the study. All participants underwent comprehensive eye examination and ocular biometric measures that included-axial length and corneal radii. Insomnia symptom questionnaire (ISQ) was used to screen the symptoms associated with the diagnostic criteria for primary insomnia. Morning serum and tear concentration of dopamine and melatonin were collected and was quantified using High performance liquid chromatography. A total number of 40 participants, 21 myopes and 19 controls, with a median (IQR) age of myopes 24 [21-34] years and controls 24 [20-29] years were studied. The Median [IQR] of SER was -2.00[-6.25-(-0.50)] D and 0 [(-0.50)-0.25] D for myopes and controls respectively. Myopes were found to have significantly lower concentration of serum dopamine (Median [IQR]) 190 [50-342] ng/mL compared to controls (Median [IQR]) 411 [84-717] ng/mL (U = 88, p < 0.002). Likewise, myopes showed significantly lower serum melatonin concentration of 40 [20-169] ng/mL compared to controls 203 [22-539] ng/mL (U = 88.50, p < 0.001). Myopes exhibited lower concentration of tear dopamine 101 [8-188] ng/mL compared to controls 136 [25-451] ng/mL (U = 103, p < 0.05). Likewise, myopes showed significantly lower tear melatonin concentration 6 [2-18] ng/mL compared to controls 9 [2-23] ng/mL (U = 104, p < 0.05). Both serum dopamine (r = 0.419, p < 0.05) and melatonin (r = 0.323, p < 0.05) showed significant positive association with increase in spherical equivalent refraction (SER). The observed changes in the decreased concentration of Dopamine and Melatonin among young adult myopes and its association with refraction indicates the role of altered circadian rhythm in the human myopia mechanism.
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Affiliation(s)
- Azfira Hussain
- Myopia Clinic, Sankara Nethralaya, Unit of Medical Research Foundation, Chennai, India
| | - Aparna Gopalakrishnan
- Myopia Clinic, Sankara Nethralaya, Unit of Medical Research Foundation, Chennai, India; Faculty of Health, School of Medicine, Deakin University, Australia
| | - Bharathselvi Muthuvel
- R.S.Mehta Jain Department of Biochemistry and Cell Biology, Vision Research Foundation, Sankara Nethralaya, Chennai, India
| | | | - Angayarkanni Narayanasamy
- R.S.Mehta Jain Department of Biochemistry and Cell Biology, Vision Research Foundation, Sankara Nethralaya, Chennai, India
| | - Viswanathan Sivaraman
- Myopia Clinic, Sankara Nethralaya, Unit of Medical Research Foundation, Chennai, India.
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Salarić I, Karmelić I, Lovrić J, Baždarić K, Rožman M, Čvrljević I, Zajc I, Brajdić D, Macan D. Salivary melatonin in oral squamous cell carcinoma patients. Sci Rep 2021; 11:13201. [PMID: 34168230 PMCID: PMC8225878 DOI: 10.1038/s41598-021-92649-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Accepted: 06/09/2021] [Indexed: 12/12/2022] Open
Abstract
Melatonin’s role in circadian rhythm is well documented, as are its’ anti-oxidant, oncostatic and anti-inflammatory properties. Poor sleep quality has been associated as a potential risk factor for several malignancies, including head and neck cancers. The purpose of this study is to determine salivary melatonin (MLT) levels in oral squamous cell carcinoma (OSCC) patients, compare the salivary MLT levels with those in healthy individuals and compare the salivary and serum levels in OSCC patients. Furthermore, the aim is to investigate the potential relationship between sleep quality and salivary MLT levels in OSCC patients. Unstimulated (UWS) and stimulated (SWS) whole saliva was sampled from patients with T1N0M0 and T2N0M0 OSCC (N = 34) and 33 sex and age matched healthy subjects. Serum samples were taken from 11 OSCC patients. Sleep quality was measured using Pittsburgh Sleep Quality Index (PSQI) questionnaire. Melatonin levels in UWS and SWS were significantly higher in the OSCC group. Sleep quality was significantly lower in patients with OSCC (P = 0.0001). ROC analysis was found to be significant (P < 0.001) in evaluating MLT concentration limit in diagnosing OSCC. The expected relationship between sleep quality and salivary MLT levels in OSCC patients was not observed. Our results suggest salivary MLT as a potential biomarker that might facilitate non-invasive detection of early stage OSCC.
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Affiliation(s)
- Ivan Salarić
- Department of Oral Surgery, University of Zagreb School of Dental Medicine, Av. Gojka Šuška 6, 10000, Zagreb, Croatia.,Department of Maxillofacial and Oral Surgery, University Hospital Dubrava, Zagreb, Croatia
| | - Ivana Karmelić
- Department of Medical Chemistry, Biochemistry and Clinical Chemistry, University of Zagreb School of Medicine, Zagreb, Croatia
| | - Jasna Lovrić
- Department of Medical Chemistry, Biochemistry and Clinical Chemistry, University of Zagreb School of Medicine, Zagreb, Croatia
| | - Ksenija Baždarić
- Department of Medical Informatics, Faculty of Medicine, University of Rijeka, Rijeka, Croatia
| | - Marko Rožman
- Department of Physical Chemistry, Ruđer Bošković Institute, Zagreb, Croatia
| | - Igor Čvrljević
- Department of Maxillofacial and Oral Surgery, University Hospital Dubrava, Zagreb, Croatia
| | - Ivan Zajc
- Department of Oral Surgery, University of Zagreb School of Dental Medicine, Av. Gojka Šuška 6, 10000, Zagreb, Croatia.,Department of Maxillofacial and Oral Surgery, University Hospital Dubrava, Zagreb, Croatia
| | - Davor Brajdić
- Department of Oral Surgery, University of Zagreb School of Dental Medicine, Av. Gojka Šuška 6, 10000, Zagreb, Croatia.,Department of Maxillofacial and Oral Surgery, University Hospital Dubrava, Zagreb, Croatia
| | - Darko Macan
- Department of Oral Surgery, University of Zagreb School of Dental Medicine, Av. Gojka Šuška 6, 10000, Zagreb, Croatia. .,Department of Maxillofacial and Oral Surgery, University Hospital Dubrava, Zagreb, Croatia.
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7
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Melhuish Beaupre LM, Brown GM, Gonçalves VF, Kennedy JL. Melatonin's neuroprotective role in mitochondria and its potential as a biomarker in aging, cognition and psychiatric disorders. Transl Psychiatry 2021; 11:339. [PMID: 34078880 PMCID: PMC8172874 DOI: 10.1038/s41398-021-01464-x] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 04/16/2021] [Accepted: 05/14/2021] [Indexed: 02/05/2023] Open
Abstract
Melatonin is an ancient molecule that is evident in high concentrations in various tissues throughout the body. It can be separated into two pools; one of which is synthesized by the pineal and can be found in blood, and the second by various tissues and is present in these tissues. Pineal melatonin levels display a circadian rhythm while tissue melatonin does not. For decades now, melatonin has been implicated in promoting and maintaining sleep. More recently, evidence indicates that it also plays an important role in neuroprotection. The beginning of our review will summarize this literature. As an amphiphilic, pleiotropic indoleamine, melatonin has both direct actions and receptor-mediated effects. For example, melatonin has established effects as an antioxidant and free radical scavenger both in vitro and in animal models. This is also evident in melatonin's prominent role in mitochondria, which is reviewed in the next section. Melatonin is synthesized in, taken up by, and concentrated in mitochondria, the powerhouse of the cell. Mitochondria are also the major source of reactive oxygen species as a byproduct of mitochondrial oxidative metabolism. The final section of our review summarizes melatonin's potential role in aging and psychiatric disorders. Pineal and tissue melatonin levels both decline with age. Pineal melatonin declines in individuals suffering from psychiatric disorders. Melatonin's ability to act as a neuroprotectant opens new avenues of exploration for the molecule as it may be a potential treatment for cases with neurodegenerative disease.
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Affiliation(s)
- Lindsay M Melhuish Beaupre
- Molecular Brain Science Research Department, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON, Canada
- Institute of Medical Sciences, University of Toronto, Toronto, ON, Canada
| | - Gregory M Brown
- Molecular Brain Science Research Department, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON, Canada
- Department of Psychiatry, University of Toronto, Toronto, ON, Canada
| | - Vanessa F Gonçalves
- Molecular Brain Science Research Department, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON, Canada
- Institute of Medical Sciences, University of Toronto, Toronto, ON, Canada
- Department of Psychiatry, University of Toronto, Toronto, ON, Canada
| | - James L Kennedy
- Molecular Brain Science Research Department, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON, Canada.
- Institute of Medical Sciences, University of Toronto, Toronto, ON, Canada.
- Department of Psychiatry, University of Toronto, Toronto, ON, Canada.
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8
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Dmitrzak-Weglarz M, Banach E, Bilska K, Narozna B, Szczepankiewicz A, Reszka E, Jablonska E, Kapelski P, Skibinska M, Pawlak J. Molecular Regulation of the Melatonin Biosynthesis Pathway in Unipolar and Bipolar Depression. Front Pharmacol 2021; 12:666541. [PMID: 33981243 PMCID: PMC8107693 DOI: 10.3389/fphar.2021.666541] [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: 02/10/2021] [Accepted: 04/06/2021] [Indexed: 12/11/2022] Open
Abstract
Melatonin is a neurohormone that maintains the circadian rhythms of the body. By regulating the secretion of other hormones and neurotransmitters, it acts as a pleiotropic modulator that affects, for example, reproductive, immune, cardiovascular, sleep, and wake systems and mood. Thus, synthetic melatonin has become an essential component in the treatment of depressive disorders. Although we know the pathway of melatonin action in the brain, we lack comprehensive cross-sectional studies on the periphery of depressed patients. This study aimed to comprehensively analyze the differences between healthy control subjects (n = 84) and unipolar and bipolar depression patients (n = 94), including an analysis of the melatonin pathway at the level of the genes and serum biomarkers. An innovative approach is a pilot study based on gene expression profiling carried out on clinical and cell culture models using agomelatine and melatonin. We confirmed the melatonin biosynthesis pathway's molecular regulation dysfunctions, with a specific pattern for unipolar and bipolar depression, at the AANAT gene, its polymorphisms (rs8150 and rs3760138), and examined the serum biomarkers (serotonin, AANAT, ASMT, and melatonin). The biological pathway analysis uncovered pathways and genes that were uniquely altered after agomelatine treatment in a clinical model and melatonin treatment in a cell culture model. In both models, we confirmed the immunomodulatory effect of melatonin agents in depression.
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Affiliation(s)
| | - Ewa Banach
- Laboratory of Neurobiology, Department of Molecular and Cellular Neurobiology, Nencki Institute, Warsaw, Poland
| | - Karolina Bilska
- Department of Psychiatric Genetics, Poznan University of Medical Sciences, Poznan, Poland
| | - Beata Narozna
- Laboratory of Molecular and Cell Biology, Department of Pediatric Pulmonology, Allergy and Clinical Immunology, Poznan University of Medical Sciences, Poznan, Poland
| | - Aleksandra Szczepankiewicz
- Laboratory of Molecular and Cell Biology, Department of Pediatric Pulmonology, Allergy and Clinical Immunology, Poznan University of Medical Sciences, Poznan, Poland
| | - Edyta Reszka
- Department of Molecular Genetics and Epigenetics, Nofer Institute of Occupational Medicine, Lodz, Poland
| | - Ewa Jablonska
- Department of Molecular Genetics and Epigenetics, Nofer Institute of Occupational Medicine, Lodz, Poland
| | - Paweł Kapelski
- Department of Psychiatric Genetics, Poznan University of Medical Sciences, Poznan, Poland
| | - Maria Skibinska
- Department of Psychiatric Genetics, Poznan University of Medical Sciences, Poznan, Poland
| | - Joanna Pawlak
- Department of Psychiatric Genetics, Poznan University of Medical Sciences, Poznan, Poland
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Nobis A, Zalewski D, Waszkiewicz N. Peripheral Markers of Depression. J Clin Med 2020; 9:E3793. [PMID: 33255237 PMCID: PMC7760788 DOI: 10.3390/jcm9123793] [Citation(s) in RCA: 92] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 11/09/2020] [Accepted: 11/19/2020] [Indexed: 12/22/2022] Open
Abstract
Major Depressive Disorder (MDD) is a leading cause of disability worldwide, creating a high medical and socioeconomic burden. There is a growing interest in the biological underpinnings of depression, which are reflected by altered levels of biological markers. Among others, enhanced inflammation has been reported in MDD, as reflected by increased concentrations of inflammatory markers-C-reactive protein, interleukin-6, tumor necrosis factor-α and soluble interleukin-2 receptor. Oxidative and nitrosative stress also plays a role in the pathophysiology of MDD. Notably, increased levels of lipid peroxidation markers are characteristic of MDD. Dysregulation of the stress axis, along with increased cortisol levels, have also been reported in MDD. Alterations in growth factors, with a significant decrease in brain-derived neurotrophic factor and an increase in fibroblast growth factor-2 and insulin-like growth factor-1 concentrations have also been found in MDD. Finally, kynurenine metabolites, increased glutamate and decreased total cholesterol also hold promise as reliable biomarkers for MDD. Research in the field of MDD biomarkers is hindered by insufficient understanding of MDD etiopathogenesis, substantial heterogeneity of the disorder, common co-morbidities and low specificity of biomarkers. The construction of biomarker panels and their evaluation with use of new technologies may have the potential to overcome the above mentioned obstacles.
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Affiliation(s)
- Aleksander Nobis
- Department of Psychiatry, Medical University of Bialystok, pl. Brodowicza 1, 16-070 Choroszcz, Poland; (D.Z.); (N.W.)
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Lavin-Gonzalez P, Bourguignon C, Crescenzi O, Beaulieu S, Storch KF, Linnaranta O. Inactograms and objective sleep measures as means to capture subjective sleep problems in patients with a bipolar disorder. Bipolar Disord 2020; 22:722-730. [PMID: 32232937 DOI: 10.1111/bdi.12903] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Accepted: 03/17/2020] [Indexed: 12/25/2022]
Abstract
BACKGROUND Sleep problems are common in bipolar disorders (BDs). To objectively characterize these problems in BDs, further methodological development is needed to capture subjective insomnia. AIM To test psychometric properties of the Athens Insomnia Scale (AIS), and associations with actigraphy-derived measures, applying modifications in actigraphy data processing to capture features of perturbed sleep in patients with a BD. METHODS Seventy-four patients completed the AIS and the Quick Inventory of Depressive Symptomatology, self-report (QIDS-SR-16). Locomotor activity was continuously recorded by wrist actigraphy for ≥10 consecutive days. We computed the sleep onset/offset, the center of daily inactivity (CenDI), as a proxy for chronotype, and the degree of consolidation of daily inactivity (ConDI), as a proxy for sleep-wake rhythm strength. RESULTS AIS showed good psychometric properties (Cronbach's alpha = 0.84; test-retest correlation = 0.84, P<.001). Subjective sleep problems correlated moderately with a later sleep phase (CenDI with AIS rho = 0.34, P = .003), lower consolidation (ConDI with AIS rho = -0.22, P = .05; with QIDS-SR-16 rho = -0.27, P = .019), later timing of sleep offset (with AIS rho = 0.49, P = ≤.001, with QIDS-SR-16 rho = 0.36, P = .002), and longer total sleep (with AIS rho = 0.29, P = .012, with QIDS-SR-16 rho = 0.41, P = ≤.001). While AIS was psychometrically more solid, correlations with objective sleep were more consistent across time for QIDS-SR-16. CONCLUSIONS AIS and QIDS-SR-16 are suitable for clinical screening of sleep problems among patients with a BD. Subjective insomnia associated with objective measures. For clinical and research purposes, actigraphy and data visualization on inactograms are useful for accurate longitudinal characterization of sleep patterns.
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Affiliation(s)
- Paola Lavin-Gonzalez
- Department of Psychiatry, McGill University, Montreal, Québec, Canada.,Douglas Group for Sleep and Biological Rhythms, Douglas Mental Health University Institute, Montreal, Québec, Canada
| | - Clément Bourguignon
- Douglas Group for Sleep and Biological Rhythms, Douglas Mental Health University Institute, Montreal, Québec, Canada.,Integrated Program in Neuroscience, McGill University, Montreal, Québec, Canada
| | - Olivia Crescenzi
- Department of Psychology, Concordia University, Montreal, Québec, Canada
| | - Serge Beaulieu
- Department of Psychiatry, McGill University, Montreal, Québec, Canada.,Douglas Group for Sleep and Biological Rhythms, Douglas Mental Health University Institute, Montreal, Québec, Canada
| | - Kai-Florian Storch
- Department of Psychiatry, McGill University, Montreal, Québec, Canada.,Douglas Group for Sleep and Biological Rhythms, Douglas Mental Health University Institute, Montreal, Québec, Canada
| | - Outi Linnaranta
- Department of Psychiatry, McGill University, Montreal, Québec, Canada.,Douglas Group for Sleep and Biological Rhythms, Douglas Mental Health University Institute, Montreal, Québec, Canada
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11
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Kirlioglu SS, Balcioglu YH. Chronobiology Revisited in Psychiatric Disorders: From a Translational Perspective. Psychiatry Investig 2020; 17:725-743. [PMID: 32750762 PMCID: PMC7449842 DOI: 10.30773/pi.2020.0129] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Accepted: 05/15/2020] [Indexed: 12/11/2022] Open
Abstract
OBJECTIVE Several lines of evidence support a relationship between circadian rhythms disruption in the onset, course, and maintenance of mental disorders. Despite the study of circadian phenotypes promising a decent understanding of the pathophysiologic or etiologic mechanisms of psychiatric entities, several questions still need to be addressed. In this review, we aimed to synthesize the literature investigating chronobiologic theories and their associations with psychiatric entities. METHODS The Medline, Embase, PsycInfo, and Scopus databases were comprehensively and systematically searched and articles published between January 1990 and October 2019 were reviewed. Different combinations of the relevant keywords were polled. We first introduced molecular elements and mechanisms of the circadian system to promote a better understanding of the chronobiologic implications of mental disorders. Then, we comprehensively and systematically reviewed circadian system studies in mood disorders, schizophrenia, and anxiety disorders. RESULTS Although subject characteristics and study designs vary across studies, current research has demonstrated that circadian pathologies, including genetic and neurohumoral alterations, represent the neural substrates of the pathophysiology of many psychiatric disorders. Impaired HPA-axis function-related glucocorticoid rhythm and disrupted melatonin homeostasis have been prominently demonstrated in schizophrenia and other psychotic disorders, while alterations of molecular expressions of circadian rhythm genes including CLOCK, PER, and CRY have been reported to be involved in the pathogenesis of mood disorders. CONCLUSION Further translational work is needed to identify the causal relationship between circadian physiology abnormalities and mental disorders and related psychopathology, and to develop sound pharmacologic interventions.
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Affiliation(s)
- Simge Seren Kirlioglu
- Department of Psychiatry, Bakirkoy Prof Mazhar Osman Training and Research Hospital for Psychiatry, Neurology and Neurosurgery, Istanbul, Turkey
| | - Yasin Hasan Balcioglu
- Department of Psychiatry, Bakirkoy Prof Mazhar Osman Training and Research Hospital for Psychiatry, Neurology and Neurosurgery, Istanbul, Turkey
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12
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Atmaca M, Korucu T, Caglar Kilic M, Kazgan A, Yildirim H. Pineal gland volumes are changed in patients with obsessive-compulsive personality disorder. J Clin Neurosci 2019; 70:221-225. [PMID: 31455564 DOI: 10.1016/j.jocn.2019.07.047] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Accepted: 07/08/2019] [Indexed: 10/26/2022]
Abstract
OBJECTIVE In the present study, taking into consideration our previous studies showing an association on the neuroanatomy of OCD and obsessive-compulsive personality disorders (OCPD), we also decided to examine pineal gland volumes in patients with obsessive-compulsive personality disorder and hypothesized that gland volumes would be found as altered in comparison with those of healthy subjects. METHODS Sixteen patients with OCPD and eighteen healthy control subjects underwent magnetic resonance imaging (MRI). We compared the volumes of pineal gland by using MRI between groups. RESULTS As compared to healthy control subjects, patients with OCPD had statistically significant smaller pineal gland volumes by using independent sample t test (87.34 ± 19.72 mm3 for patients with OCPD vs. 108.62 ± 22.56 mm3, with a statistically significantly difference of p < 0.01.When controlling for gender distribution, age and whole brain volumes in the General Linear Model, we saw that patients with OCPD had still statistically significant smaller pineal volumes compared to those of healthy control subjects. CONCLUSION Finally, the findings of the present study revealed that patients with OCPD had reduced pineal gland volumes compared to those of healthy control subjects, supporting the fact that OCPD might be included in the OCD spectrum disorders, since we have previously found same result in patients with OCPD.
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Affiliation(s)
- Murad Atmaca
- Firat University, School of Medicine, Department of Psychiatry, Elazig, Turkey.
| | - Tuba Korucu
- Firat University, School of Medicine, Department of Psychiatry, Elazig, Turkey
| | - M Caglar Kilic
- Firat University, School of Medicine, Department of Radiology, Elazig, Turkey
| | - Asli Kazgan
- Firat University, School of Medicine, Department of Psychiatry, Elazig, Turkey
| | - Hanefi Yildirim
- Firat University, School of Medicine, Department of Radiology, Elazig, Turkey
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13
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Khazaie H, Ahmadi HR, Kiani A, Ghadami MR. Circadian melatonin profile in opium and amphetamine dependent patients: A preliminary study. Neurobiol Sleep Circadian Rhythms 2019; 7:100046. [PMID: 31463419 PMCID: PMC6710474 DOI: 10.1016/j.nbscr.2019.100046] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2018] [Revised: 06/21/2019] [Accepted: 07/17/2019] [Indexed: 12/03/2022] Open
Abstract
Aim The aim of this study was to investigate the relationship between opium and amphetamine dependency with the serum melatonin levels in the presence of circadian rhythm sleep disorders (CRSD). Participants Forty four male amphetamine-dependent and opium-dependent patients with CRSD and with more than one year substance dependency were enrolled in this study. Control group consisted of twelve healthy male subjects. Design The diagnoses of sleep disorders were established by a psychiatrist and were made on the basis of the criteria of ICSD-II using the patients’ sleep logs. Blood samples were drawn every 4 h through an intravenous catheter. Serum melatonin levels were assayed using an enzyme-linked immunosorbent assay (ELISA) kit. Repeated Measures Analysis of variance (ANOVA) was used to assess differences between the melatonin levels at six separate times. Finding The serum melatonin levels of the control subjects were significantly higher than both opium-dependent and amphetamine-dependent patients at 24:00, 4:00 and 8:00. The serum melatonin level of the opium-dependent patients were significantly lower than the amphetamine-dependent patients at 24:00 (26.9 ± 11.4 vs. 41 ± 19.4, respectively; p = 0.006) and were significantly higher than the amphetamine-dependent patients at 16:00 (12.7 ± 5.1 vs. 8.9 ± 4.1, respectively; p = 0.011). Conclusion This is an evidence of negative effects of substance dependence on circadian cycle of melatonin secretion among opium and amphetamine dependent patients. Sleep problems in substance abuse patients may be caused by dysfunction of circadian rhythm. High prevalence of circadian rhythm sleep disorders (CRSD) in substance dependent patients, possibly related to abnormal melatonin cycle. Circadian rhythm-based interventions could play an important role in the prevention and treatment of substance use disorders.
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Affiliation(s)
- Habibolah Khazaie
- Sleep Disorders Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Hamid Reza Ahmadi
- Sleep Disorders Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Amir Kiani
- Department of Pharmacology and Toxicology, School of Pharmacy, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mohammad Rasoul Ghadami
- Sleep Disorders Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
- Corresponding author. Sleep Disorders Research Center, Farabi Hospital, Kermanshah University of Medical Sciences, Kermanshah, PO Box: 6719851151, Iran.
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14
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Slyepchenko A, Allega OR, Leng X, Minuzzi L, Eltayebani MM, Skelly M, Sassi RB, Soares CN, Kennedy SH, Frey BN. Association of functioning and quality of life with objective and subjective measures of sleep and biological rhythms in major depressive and bipolar disorder. Aust N Z J Psychiatry 2019; 53:683-696. [PMID: 30759998 DOI: 10.1177/0004867419829228] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
OBJECTIVE Disruptions in biological rhythms and sleep are a core aspect of mood disorders, with sleep and rhythm changes frequently occurring prior to and during mood episodes. Wrist-worn actigraphs are increasingly utilized to measure ambulatory activity rhythm and sleep patterns. METHODS A comprehensive study using subjective and objective measures of sleep and biological rhythms was conducted in 111 participants (40 healthy volunteers [HC], 38 with major depressive disorder [MDD] and 33 with bipolar disorder [BD]). Participants completed 15-day actigraphy and first-morning urine samples to measure 6-sulfatoxymelatonin levels. Sleep and biological rhythm questionnaires were administered: Biological Rhythms Interview of Assessment in Neuropsychiatry (BRIAN), Munich Chronotype Questionnaire (MCTQ), Pittsburgh Sleep Quality Index (PSQI) and Epworth Sleepiness Scale (ESS). Actigraph data were analyzed for sleep and daily activity rhythms, light exposure and likelihood of transitioning between rest and activity states. RESULTS Mood groups had worse subjective sleep quality (PSQI) and biological rhythm disruption (BRIAN) and higher objective mean nighttime activity than controls. Participants with BD had longer total sleep time, higher circadian quotient and lower 6-sulfatoxymelatonin levels than HC group. The MDD group had longer sleep onset latency and higher daytime probability of transitioning from rest to activity than HCs. Mood groups displayed later mean timing of light exposure. Multiple linear regression analysis with BRIAN scores, circadian quotient, mean nighttime activity during rest and daytime probability of transitioning from activity to rest explained 43% of variance in quality-of-life scores. BRIAN scores, total sleep time and probability of transitioning from activity to rest explained 52% of variance in functioning (all p < 0.05). CONCLUSIONS Disruption in biological rhythms is associated with poorer functioning and quality of life in bipolar and MDD. Investigating biological rhythms and sleep using actigraphy variables, urinary 6-sulfatoxymelatonin and subjective measures provide evidence of widespread sleep and circadian system disruptions in mood disorders.
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Affiliation(s)
- Anastasiya Slyepchenko
- 1 Neuroscience Graduate Program, McMaster University, Hamilton, ON, Canada.,2 Women's Health Concerns Clinic, St. Joseph's Healthcare, Hamilton, ON, Canada
| | - Olivia R Allega
- 3 DeGroote School of Business, McMaster University, Hamilton, ON, Canada
| | - Xiamin Leng
- 4 Department of Cognitive, Linguistic, and Psychological Sciences, Brown University, RI, USA
| | - Luciano Minuzzi
- 1 Neuroscience Graduate Program, McMaster University, Hamilton, ON, Canada.,2 Women's Health Concerns Clinic, St. Joseph's Healthcare, Hamilton, ON, Canada.,5 Mood Disorders Program, Department of Psychiatry and Behavioural Neurosciences, McMaster University, Hamilton, ON, Canada
| | - Maha M Eltayebani
- 2 Women's Health Concerns Clinic, St. Joseph's Healthcare, Hamilton, ON, Canada.,5 Mood Disorders Program, Department of Psychiatry and Behavioural Neurosciences, McMaster University, Hamilton, ON, Canada.,6 Neuropsychiatry Department, Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - Matthew Skelly
- 7 Department of Health Sciences, McMaster University, Hamilton, ON, Canada
| | - Roberto B Sassi
- 5 Mood Disorders Program, Department of Psychiatry and Behavioural Neurosciences, McMaster University, Hamilton, ON, Canada
| | - Claudio N Soares
- 8 Department of Psychiatry, Queen's University School of Medicine, Kingston, ON, Canada.,9 St. Michael's Hospital, University of Toronto, Toronto, ON, Canada
| | - Sidney H Kennedy
- 9 St. Michael's Hospital, University of Toronto, Toronto, ON, Canada.,10 University Health Network, Toronto, ON, Canada
| | - Benicio N Frey
- 1 Neuroscience Graduate Program, McMaster University, Hamilton, ON, Canada.,2 Women's Health Concerns Clinic, St. Joseph's Healthcare, Hamilton, ON, Canada.,5 Mood Disorders Program, Department of Psychiatry and Behavioural Neurosciences, McMaster University, Hamilton, ON, Canada
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15
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Genario R, Giacomini AC, Demin KA, dos Santos BE, Marchiori NI, Volgin AD, Bashirzade A, Amstislavskaya TG, de Abreu MS, Kalueff AV. The evolutionarily conserved role of melatonin in CNS disorders and behavioral regulation: Translational lessons from zebrafish. Neurosci Biobehav Rev 2019; 99:117-127. [DOI: 10.1016/j.neubiorev.2018.12.025] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Revised: 12/12/2018] [Accepted: 12/20/2018] [Indexed: 12/14/2022]
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16
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Biological Rhythms Advance in Depressive Disorder. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1180:117-133. [DOI: 10.1007/978-981-32-9271-0_6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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17
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Ma XP, Shen MY, Shen GL, Qi QR, Sun XH. Melatonin concentrations in serum of primary glaucoma patients. Int J Ophthalmol 2018; 11:1337-1341. [PMID: 30140638 DOI: 10.18240/ijo.2018.08.14] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2017] [Accepted: 06/07/2018] [Indexed: 11/23/2022] Open
Abstract
AIM To determine whether glaucoma patients exhibit an abnormal melatonin concentration in serum and the effects of psychiatric disorders caused by glaucoma in melatonin secretion. METHODS A sample of 80 primary angle-closure glaucoma (PACG) patients, 120 primary open angle glaucoma (POAG) patients, and 120 normal controls were enrolled in this study. All the participants were asked to complete the following questionnaires: Pittsburgh sleep quality index (PSQI), self-rating anxiety scale (SAS), and self-rating depression scale (SDS). Variance analysis was used to compare the subscores between the groups. After that, we chose 58 patients with primary glaucoma and 20 non-glaucoma control patients to collect their serum samples at 7-10 a.m. Serum melatonin levels were measured using enzyme linked immunosorbent assay (ELISA). RESULTS Of all participants, the scores of PSQI, SAS, and SDS in PACG and POAG group were 9.38±0.40, 46.08±8.99, 51.11±10.72 and 7.43±0.35, 45.42±9.87, 49.04±12.24 respectively, significantly higher than those in control group (4.16±0.28, 35.49±9.18, 40.31±13.08). The serum melatonin levels in PACG (37.29±2.99 pg/mL) and POAG (35.97±3.64 pg/mL) were significantly higher than the controls (29.96±3.94 pg/mL) (P<0.001). But no difference was found between the PACG and POAG (P=0.216). Glaucoma patients with sleep disorders, anxiety and depression were more likely resulting in the increase of melatonin levels. CONCLUSION There is a significant increase in serum melatonin levels in glaucoma patients compared to the controls especially in glaucoma patients with psychiatric disorders such as sleep disorders, anxiety and depression.
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Affiliation(s)
- Xiao-Ping Ma
- Department of Ophthalmology, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Man-Yi Shen
- Department of Ophthalmology, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Guang-Lin Shen
- Department of Ophthalmology, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Qiao-Ran Qi
- Department of Ophthalmology, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Xing-Huai Sun
- Department of Ophthalmology, Eye & Ent Hospital of Fudan University, Shanghai 200031, China
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18
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Dmitrzak-Weglarz M, Reszka E. Pathophysiology of Depression: Molecular Regulation of Melatonin Homeostasis - Current Status. Neuropsychobiology 2018; 76:117-129. [PMID: 29898451 DOI: 10.1159/000489470] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Accepted: 04/19/2018] [Indexed: 12/29/2022]
Abstract
Circadian rhythm alterations resulting in disturbed sleep and disturbed melatonin secretion are flagship features of depression. Melatonin, known as a hormone of darkness, is secreted by the pineal gland located near to the center of the brain between the two hemispheres. Melatonin has an antidepressant effect by maintaining the body's circadian rhythm, by regulating the pattern of expression of the clock genes in the suprachiasmatic nucleus (SCN) and modifying the key genes of serotoninergic neurotransmission that are linked with a depressive mood. Melatonin is produced via the metabolism of serotonin in two steps which are catalyzed by serotonin N-acetyltransferase (SNAT) and acetylserotonin-O-methyltransferase (ASMT). Serotonin, SNAT, and ASMT are key melatonin level regulation factors. Melatonin acts mainly on the MT1 and MT2 receptors, which are present in the SCN, to regulate physiological and neuroendocrine functions including circadian entrainment, referred to as a chronobiotic effect. Although melatonin has been known about and refereed to for almost 50 years, the relationship between melatonin and depression is still not clear. In this review, we summarize current knowledge about the genetic and epigenetic regulation of enzymes involved in melatonin synthesis and metabolism as potential features of depression pathophysiology and treatment. Confirmation that melatonin metabolism in peripheral blood partially reflects a disorder in the brain could be a breakthrough in the standardization of measurements of melatonin level for the development of treatment standards, finding new therapeutic targets, and elaborating simple noninvasive clinical tests.
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Affiliation(s)
- Monika Dmitrzak-Weglarz
- Department of Psychiatric Genetics, Department of Psychiatry, Poznan University of Medical Sciences, Poznan, Poland
| | - Edyta Reszka
- Department of Molecular Genetics and Epigenetics, Nofer Institute of Occupational Medicine, Lodz, Poland
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19
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Disturbances of diurnal phase markers, behavior, and clock genes in a rat model of depression; modulatory effects of agomelatine treatment. Psychopharmacology (Berl) 2018; 235:627-640. [PMID: 29151193 DOI: 10.1007/s00213-017-4781-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2017] [Accepted: 10/24/2017] [Indexed: 01/05/2023]
Abstract
Major depressive disorder (MDD) is a growing problem worldwide. Though, the etiology remains unresolved, circadian rhythm disturbances are frequently observed in MDD and thus is speculated to play a key role herein. The present study focuses on circadian rhythm disturbances in the chronic mild stress (CMS) animal model of depression and examined whether the atypical antidepressant, agomelatine, which is mediating its action via melatonergic and serotonergic receptors, is capable of resynchronizing the perturbed rhythm. Melatonin is often used as a marker of the circadian phase, but the functional and behavioral output is dictated on a cellular level by the molecular clock, driven by the clock genes. We applied in situ hybridization histochemistry to measure the expression levels of the core clock genes, period (Per) 1 and 2 and bone and muscle ARNT-like protein 1 (Bmal1), in multiple brain regions believed to be implicated in depression. Agomelatine showed an antidepressant-like effect in the sucrose consumption test and an anxiolytic-like profile in the elevated zero maze. We found that CMS increased nighttime melatonin release in rats and that agomelatine attenuated this effect. Stress was shown to have a time and region-specific effect on clock gene expression in the brain. Treatment with agomelatine failed to normalize clock gene expression, and the observed modifying effect on gene expression did not associate with the antidepressant-like effect. This suggests that the antidepressant actions of agomelatine are mainly independent of circadian rhythm synchronization and, in this regard, not superior to traditional antidepressants tested in our model.
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20
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Min JY, Min KB. Outdoor light at night and the prevalence of depressive symptoms and suicidal behaviors: A cross-sectional study in a nationally representative sample of Korean adults. J Affect Disord 2018; 227:199-205. [PMID: 29100153 DOI: 10.1016/j.jad.2017.10.039] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Accepted: 10/22/2017] [Indexed: 12/13/2022]
Abstract
BACKGROUND Outdoor light at night (LAN) is an increasingly prevalent type of environmental pollution. Studies have demonstrated that outdoor LAN can disrupt circadian rhythms, potentially contributing to insomnia, cancer, cardiovascular disease, and metabolic changes in humans. We investigated the association of outdoor LAN with depressive symptoms and suicidal behaviors in South Korean adults. METHODS This study used data from the 2009 Korean Community Health Survey, a representative sample dataset. Study population consisted of 113,119 participants for the assessment of depressive symptoms and 152,159 participants for the assessment of suicidal behavior. Depressive symptoms were measured using the Korean version of the Center for Epidemiologic Studies Depression Scale (depressive symptoms, score of > 16). Suicidal behaviors were defined as the experience of suicidal ideation or attempt. Outdoor LAN was estimated by satellite data from the National Centers for Environmental Information. RESULTS Participants with depressive symptoms or history of suicidal behaviors were more likely to have exposure to outdoor LAN than those without depressive symptoms or suicidal behaviors. Compared with adults living in areas exposed to the lowest outdoor LAN, those living in areas exposed to the highest levels had higher likelihood depressive symptoms (OR = 1.29; 95% CI: 1.15-1.46) or suicidal behaviors (OR = 1.27; 95% CI: 1.16-1.39). Significant dose-response relationships were observed between outdoor LAN and the odds of depressive symptoms and suicidal behaviors. CONCLUSION Outdoor LAN was found to be significantly associated with depressive symptoms and suicidal behaviors, suggesting that it may be an environmental contributor to mental health problems.
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Affiliation(s)
- Jin-Young Min
- Institute of Health and Environment, Seoul National University, Seoul, Republic of Korea
| | - Kyoung-Bok Min
- Department of Preventive Medicine, College of Medicine, Seoul National University, Seoul, Republic of Korea.
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21
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Brown GM, McIntyre RS, Rosenblat J, Hardeland R. Depressive disorders: Processes leading to neurogeneration and potential novel treatments. Prog Neuropsychopharmacol Biol Psychiatry 2018; 80:189-204. [PMID: 28433459 DOI: 10.1016/j.pnpbp.2017.04.023] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2017] [Accepted: 04/01/2017] [Indexed: 12/18/2022]
Abstract
Mood disorders are wide spread with estimates that one in seven of the population are affected at some time in their life (Kessler et al., 2012). Many of those affected with severe depressive disorders have cognitive deficits which may progress to frank neurodegeneration. There are several peripheral markers shown by patients who have cognitive deficits that could represent causative factors and could potentially serve as guides to the prevention or even treatment of neurodegeneration. Circadian rhythm misalignment, immune dysfunction and oxidative stress are key pathologic processes implicated in neurodegeneration and cognitive dysfunction in depressive disorders. Novel treatments targeting these pathways may therefore potentially improve patient outcomes whereby the primary mechanism of action is outside of the monoaminergic system. Moreover, targeting immune dysfunction, oxidative stress and circadian rhythm misalignment (rather than primarily the monoaminergic system) may hold promise for truly disease modifying treatments that may prevent neurodegeneration rather than simply alleviating symptoms with no curative intent. Further research is required to more comprehensively understand the contributions of these pathways to the pathophysiology of depressive disorders to allow for disease modifying treatments to be discovered.
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Affiliation(s)
- Gregory M Brown
- Department of Psychiatry, University of Toronto, Centre for Addiction and Mental Health, 250 College St. Toronto, ON M5T 1R8, Canada.
| | - Roger S McIntyre
- Psychiatry and Pharmacology, University of Toronto, Mood Disorders Psychopharmacology Unit, University Health Network, 399 Bathurst Street, MP 9-325, Toronto, ON M5T 2S8, Canada.
| | - Joshua Rosenblat
- Resident of Psychiatry, Clinician Scientist Stream, University of Toronto, Mood Disorders Psychopharmacology Unit, University Health Network, 399 Bathurst Street, MP 9-325, Toronto, ON M5T 2S8, Canada
| | - Rüdiger Hardeland
- Johann Friedrich Blumenbach Institut für Zoologie und Anthropologie, Universität Göttingen, Buergerstrasse 50, D-37073 Göttingen, Germany.
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22
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Mousavi SS, Vahedi E, Shohrati M, Panahi Y, Parvin S. Nocturnal serum melatonin levels in sulfur mustard exposed patients with sleep disorders. J ROY ARMY MED CORPS 2017; 163:411-415. [PMID: 29146723 DOI: 10.1136/jramc-2016-000677] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2016] [Revised: 09/09/2016] [Accepted: 09/10/2016] [Indexed: 11/03/2022]
Abstract
BACKGROUND Sulfur mustard (SM) exposure causes respiratory disorders, progressive deterioration in lung function and mortality in injured victims and poor sleep quality is one of the most common problems among SM-exposed patients. Since melatonin has a critical role in regulation of sleep and awareness, this study aimed to evaluate the serum melatonin levels in SM-injured subjects. METHODS A total of 30 SM-exposed male patients and 10 controls was evaluated. Sleep quality was evaluated by the Pittsburgh Sleep Quality Index (PSQI); daytime sleepiness was measured by the Epworth Sleepiness Scale (ESS), and the risk of obstructive sleep apnoea was determined by the STOP-Bang questionnaire. Polysomnography (PSG) and pulmonary function tests (PFTs) were also available. Nocturnal serum melatonin levels were measured using an ELISA kit. RESULTS The mean of PSQI, ESS and STOP-Bang scores in patients (11.76±3.56, 12.6±3.03 and 5.03±1.09, respectively) were significantly (p<0.01) higher than those in the controls (2.78±0.83, 4.69±1.15 and 1.18±0.82, respectively). PFTs also showed declined respiratory quality in SM-patients. There was a significant difference regarding the PSG results between patients and controls (p<0.01). The mean of nocturnal serum melatonin levels in patients (29.78±19.31 pg/mL) was significantly (p=0.005) lower than that in the controls (78.53±34.41 pg/mL). CONCLUSIONS Reduced nocturnal serum melatonin and respiratory disorders can be the reasons for poor sleep quality among these patients. TRIAL REGISTRATION NUMBER IRCT2015092924267N1, Pre-results.
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Affiliation(s)
- Seyyedeh Soghra Mousavi
- Chemical Injuries Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - E Vahedi
- Chemical Injuries Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - M Shohrati
- Chemical Injuries Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Y Panahi
- Chemical Injuries Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - S Parvin
- Chemical Injuries Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
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23
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Mohammed KA, Adjei Boakye E, Ismail HA, Geneus CJ, Tobo BB, Buchanan PM, Zelicoff AP. Pineal Gland Calcification in Kurdistan: A Cross-Sectional Study of 480 Roentgenograms. PLoS One 2016; 11:e0159239. [PMID: 27415622 PMCID: PMC4945046 DOI: 10.1371/journal.pone.0159239] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2015] [Accepted: 06/29/2016] [Indexed: 11/19/2022] Open
Abstract
Objective The goal of this study was to compare the incidence of Pineal Gland Calcification (PGC) by age group and gender among the populations living in the Kurdistan Region-Iraq. Methods This prospective study examined skull X-rays of 480 patients between the ages of 3 and 89 years who sought care at a large teaching public hospital in Duhok, Iraq from June 2014 to November 2014. Descriptive statistics and a binary logistic regression were used for analysis. Results The overall incidence rate of PGC among the study population was 26.9% with the 51–60 age group and males having the highest incidence. PGC incidence increased after the first decade and remained steady until the age of 60. Thereafter the incidence began to decrease. Logistic regression analysis revealed that both age and gender significantly affected the risk of PGC. After adjusting for age, males were 1.94 (95% CI, 1.26–2.99) times more likely to have PGC compared to females. In addition, a one year increase in age increases the odds of developing PGC by 1.02 (95% CI, 1.01–1.03) units after controlling for the effects of gender. Conclusion Our analysis demonstrated a close relationship between PGC and age and gender, supporting a link between the development of PGC and these factors. This study provides a basis for future researchers to further investigate the nature and mechanisms underlying pineal gland calcification.
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Affiliation(s)
- Kahee A. Mohammed
- Department of Epidemiology, College for Public Health and Social Justice, Saint Louis University, Saint Louis, Missouri, United States of America
- Department of Radiology, School of Medicine, University of Duhok, Duhok, Kurdistan–Iraq
| | - Eric Adjei Boakye
- Center for Outcomes Research (SLUCOR), Saint Louis University, Saint Louis, Missouri, United States of America
- * E-mail:
| | - Honer A. Ismail
- Department of Radiology, School of Medicine, University of Duhok, Duhok, Kurdistan–Iraq
| | - Christian J. Geneus
- Department of Environmental and Occupational Health, College for Public Health and Social Justice, Saint Louis University, Saint Louis, Missouri, United States of America
| | - Betelihem B. Tobo
- Department of Epidemiology, College for Public Health and Social Justice, Saint Louis University, Saint Louis, Missouri, United States of America
| | - Paula M. Buchanan
- Center for Outcomes Research (SLUCOR), Saint Louis University, Saint Louis, Missouri, United States of America
| | - Alan P. Zelicoff
- Department of Environmental and Occupational Health, College for Public Health and Social Justice, Saint Louis University, Saint Louis, Missouri, United States of America
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Bumb JM, Enning F, Mueller JK, van der List T, Rohleder C, Findeisen P, Noelte I, Schwarz E, Leweke FM. Differential melatonin alterations in cerebrospinal fluid and serum of patients with major depressive disorder and bipolar disorder. Compr Psychiatry 2016; 68:34-9. [PMID: 27234180 DOI: 10.1016/j.comppsych.2016.03.005] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2015] [Revised: 03/19/2016] [Accepted: 03/24/2016] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND Melatonin, which plays an important role for regulation of circadian rhythms and the sleep/wake cycle has been linked to the pathophysiology of major depressive and bipolar disorder. Here we investigated melatonin levels in cerebrospinal fluid (CSF) and serum of depression and bipolar patients to elucidate potential differences and commonalities in melatonin alterations across the two disorders. METHODS Using enzyme-linked immunosorbent assays, CSF and serum melatonin levels were measured in 108 subjects (27 healthy volunteers, 44 depressed and 37 bipolar patients). Covariate adjusted multiple regression analysis was used to investigate group differences in melatonin levels. RESULTS In CSF, melatonin levels were significantly decreased in bipolar (P<0.001), but not major depressive disorder. In serum, we observed a significant melatonin decrease in major depressive (P=0.003), but not bipolar disorder. No associations were found between serum and CSF melatonin levels or between melatonin and measures of symptom severity or sleep disruptions in either condition. CONCLUSION This study suggests the presence of differential, body fluid specific alterations of melatonin levels in bipolar and major depressive disorder. Further, longitudinal studies are required to explore the disease phase dependency of melatonin alterations and to mechanistically explore the causes and consequences of site-specific alterations.
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Affiliation(s)
- J M Bumb
- Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany.
| | - F Enning
- Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - J K Mueller
- Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Till van der List
- Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - C Rohleder
- Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - P Findeisen
- Institute for Clinical Chemistry, Medical Faculty Mannheim, Heidelberg University, Germany
| | - I Noelte
- Department of Neuroradiology, University Hospital Mannheim, Mannheim, Germany
| | - E Schwarz
- Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - F M Leweke
- Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
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Giannaccini G, Masala I, Palego L, Betti L, Pacciardi B, Palagini L, Luchini F, Belli S, Lucacchini A, Mauri M. Melatonin and pro-hypnotic effectiveness of the antidepressant Trazodone: A preliminary evaluation in insomniac mood-disorder patients. Clin Biochem 2016; 49:1152-1158. [PMID: 27374436 DOI: 10.1016/j.clinbiochem.2016.06.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2016] [Revised: 06/07/2016] [Accepted: 06/28/2016] [Indexed: 12/16/2022]
Affiliation(s)
- Gino Giannaccini
- Department of Pharmacy, University of Pisa, Via Boannno 6, 56126 Pisa, Italy.
| | - Irene Masala
- Department of Clinical and Experimental Medicine, University of Pisa, Via Savi 10, 56126 Pisa, Italy.
| | - Lionella Palego
- Department of Clinical and Experimental Medicine, University of Pisa, Via Savi 10, 56126 Pisa, Italy.
| | - Laura Betti
- Department of Pharmacy, University of Pisa, Via Boannno 6, 56126 Pisa, Italy.
| | - Bruno Pacciardi
- Department of Clinical and Experimental Medicine, University of Pisa, Via Savi 10, 56126 Pisa, Italy.
| | - Laura Palagini
- Department of Clinical and Experimental Medicine, University of Pisa, Via Savi 10, 56126 Pisa, Italy.
| | - Federica Luchini
- Department of Clinical and Experimental Medicine, University of Pisa, Via Savi 10, 56126 Pisa, Italy.
| | - Simone Belli
- Department of Clinical and Experimental Medicine, University of Pisa, Via Savi 10, 56126 Pisa, Italy.
| | - Antonio Lucacchini
- Department of Pharmacy, University of Pisa, Via Boannno 6, 56126 Pisa, Italy.
| | - Mauro Mauri
- Department of Clinical and Experimental Medicine, University of Pisa, Via Savi 10, 56126 Pisa, Italy.
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26
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Aydin E, Sahin S. Increased melatonin levels in aqueous humor of patients with proliferative retinopathy in type 2 diabetes mellitus. Int J Ophthalmol 2016; 9:721-4. [PMID: 27275429 DOI: 10.18240/ijo.2016.05.15] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2014] [Accepted: 10/13/2015] [Indexed: 11/23/2022] Open
Abstract
AIM To report the association between melatonin levels in aqueous humor and serum, and diabetic retinopathy (DR) grade in type 2 diabetic patients. METHODS Aqueous humor and plasma samples from 26 patients with DR (in nonproliferative and proliferative stages) and 14 control subjects were collected during cataract surgery after 6 p.m. Melatonin concentrations were determined using an enzyme-linked immunosorbent assay (ELISA). RESULTS Melatonin levels were significantly higher in the aqueous humor of patients with proliferative diabetic retinopathy (PDR) [18.57±2.67 pg/mL (range 15.20-23.06) vs 13.63±2.71 pg/mL (range 10.20-20.20), P=0.0001], but not in those with nonproliferative retinopathy (NPDR) [13.79±2.56 pg/mL (range 9.80-20.10) vs 13.63±2.71 pg/mL (range 10.20-20.20), P=0.961] compared to controls. There was decrement in the plasma melatonin level of patients with PDR, but no significant differences between the plasma melatonin levels of the study groups [5.37±1.74 pg/mL (range 2.85-8.65) vs 6.11±1.90 pg/mL (range 3.13-9.41), P=0.293], or between control and DR groups [NPDR 6.11±1.90 pg/mL (range 3.13-9.41) vs control 6.15±1.91 pg/mL (range 2.18-9.86); PDR (5.37±1.74 pg/mL (range 2.85-8.65) vs control 6.15±1.91 pg/mL (range 2.18-9.86), P=0.808, P=0.264]. CONCLUSION Elevated melatonin levels in aqueous humor in PDR may indicate the level to be associated with DR severity.
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Affiliation(s)
- Erdinc Aydin
- Izmir Katip Celebi University, Faculty of Medicine, Ophthalmology, Izmir 35620, Turkey
| | - Semsettin Sahin
- Gaziosmanpasa University Faculty of Medicine, Biochemistry, Tokat 60250, Turkey
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27
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Ogłodek EA, Just MJ, Szromek AR, Araszkiewicz A. Melatonin and neurotrophins NT-3, BDNF, NGF in patients with varying levels of depression severity. Pharmacol Rep 2016; 68:945-51. [PMID: 27367919 DOI: 10.1016/j.pharep.2016.04.003] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2016] [Revised: 04/04/2016] [Accepted: 04/13/2016] [Indexed: 12/25/2022]
Abstract
BACKGROUND Disrupted circadian rhythm of melatonin secretion in depression shows a relationship with the exacerbation of inflammatory processes. Proinflammatory mechanisms of depression are sustained by oxidative stress. This contributes to melatonin deficiency and to the malfunction of the defense mechanisms in the brain. Disrupted melatonin secretion in depression may have an influence on the concentrations of neurotrophic factors (NF), such as neurotrophin-3 (NT-3), brain-derived neurotrophic factor (BDNF) and nerve growth factor (NGF). Disturbance in neurotrophin release may affect synaptic plasticity and cause exacerbation of neurodegenerative processes in the central nervous system. The aim of this study was to assess the concentrations of melatonin and NF of the brain in patients with varying levels of depression severity. METHOD 160 males and females were enrolled in the study, 120 of whom were diagnosed with various types of depression. The control group comprised 40 healthy individuals. At 3:00a.m. all patients had salivary melatonin concentrations determined utilizing a competitive enzyme immunoassay technique (ELISA). In addition, at 7:00a.m. all patients had serum neurotrophin (NT-3, BDNF, NGF) concentrations determined by means of ELISA. RESULTS The highest melatonin secretion was observed at 3:00a.m. in severely depressed females. In the groups with mild and moderate depression, melatonin secretion at 3:00a.m. was comparable between males and females. In addition, a decrease in the concentrations of neurotrophins was revealed in patients at all levels of depression severity. CONCLUSION Melatonin may be a significant marker of depression severity. Melatonin and NF in depressed patients show neuroprotective effects.
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Affiliation(s)
- Ewa A Ogłodek
- Department of Psychiatry, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Toruń, Poland.
| | - Marek J Just
- Department of General and Endocrine Surgery, Municipal Hospital in Piekary Śląskie, Piekary Śląskie, Poland
| | - Adam R Szromek
- Silesian University of Technology in Gliwice, Gliwice, Poland
| | - Aleksander Araszkiewicz
- Department of Psychiatry, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Toruń, Poland
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28
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Khaleghipour S, Masjedi M, Kelishadi R. Circadian type, chronic fatigue, and serum IgM in the shift workers of an industrial organization. Adv Biomed Res 2015; 4:61. [PMID: 25802830 PMCID: PMC4361954 DOI: 10.4103/2277-9175.151882] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2013] [Accepted: 06/16/2014] [Indexed: 11/04/2022] Open
Abstract
BACKGROUND Night shift workers are more vulnerable to immune-related diseases. Immunoglobulin M (IgM) is a potent activator of complement, and complement has a crucial role in defense against bacterial infections. Circadian type is known as an effective agent on vulnerability and adaptation with shift work due to non-compliance with shift stress. The objective of this study was to investigate the correlation of circadian type and chronic fatigue with the serum concentration of IgM in a group of shift workers. MATERIALS AND METHODS This cross-sectional study was performed in an industrial organization in Isfahan, Iran. The study population consisted of 221 male employees working at night shifts who were selected by random cluster sampling. The following questionnaires were used: composite morningness (Torsvall and Akerstedt), circadian type (Folkard), and chronic fatigue (Barton and colleagues). The serum concentration of IgM was measured by the nephelometric method. The data were analyzed with the Pearson coefficient correlation and the path analysis for finding the pattern of the structural equations to evaluate the direct and indirect relationships between variables, using the SPSS 15 and LISREL 8.5 statistical software. RESULTS Significant correlation was documented between morningness, flexibility, languidness, and chronic fatigue with the serum concentration of IgM (P < 0.01). CONCLUSION The results showed that the shift workers with morningness and languidness experienced more problems during the working hours due to more tiredness, and had decreased serum concentration of IgM. Correct management of shift work may attenuate fatigue in workers and also improve many health issues experienced by the shift workers.
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Affiliation(s)
| | - Mohsen Masjedi
- Department of Immunology, Child Growth and Development Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Roya Kelishadi
- Department of Pediatrics, Child Growth and Development Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
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29
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Bunney BG, Li JZ, Walsh DM, Stein R, Vawter MP, Cartagena P, Barchas JD, Schatzberg AF, Myers RM, Watson SJ, Akil H, Bunney WE. Circadian dysregulation of clock genes: clues to rapid treatments in major depressive disorder. Mol Psychiatry 2015; 20:48-55. [PMID: 25349171 PMCID: PMC4765913 DOI: 10.1038/mp.2014.138] [Citation(s) in RCA: 123] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2014] [Revised: 09/06/2014] [Accepted: 09/10/2014] [Indexed: 12/19/2022]
Abstract
Conventional antidepressants require 2-8 weeks for a full clinical response. In contrast, two rapidly acting antidepressant interventions, low-dose ketamine and sleep deprivation (SD) therapy, act within hours to robustly decrease depressive symptoms in a subgroup of major depressive disorder (MDD) patients. Evidence that MDD may be a circadian-related illness is based, in part, on a large set of clinical data showing that diurnal rhythmicity (sleep, temperature, mood and hormone secretion) is altered during depressive episodes. In a microarray study, we observed widespread changes in cyclic gene expression in six regions of postmortem brain tissue of depressed patients matched with controls for time-of-death (TOD). We screened 12 000 transcripts and observed that the core clock genes, essential for controlling virtually all rhythms in the body, showed robust 24-h sinusoidal expression patterns in six brain regions in control subjects. In MDD patients matched for TOD with controls, the expression patterns of the clock genes in brain were significantly dysregulated. Some of the most robust changes were seen in anterior cingulate (ACC). These findings suggest that in addition to structural abnormalities, lesion studies, and the large body of functional brain imaging studies reporting increased activation in the ACC of depressed patients who respond to a wide range of therapies, there may be a circadian dysregulation in clock gene expression in a subgroup of MDDs. Here, we review human, animal and neuronal cell culture data suggesting that both low-dose ketamine and SD can modulate circadian rhythms. We hypothesize that the rapid antidepressant actions of ketamine and SD may act, in part, to reset abnormal clock genes in MDD to restore and stabilize circadian rhythmicity. Conversely, clinical relapse may reflect a desynchronization of the clock, indicative of a reactivation of abnormal clock gene function. Future work could involve identifying specific small molecules capable of resetting and stabilizing clock genes to evaluate if they can rapidly relieve symptoms and sustain improvement.
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Affiliation(s)
- BG Bunney
- Department of Psychiatry and Human Behavior, School of Medicine, University of California, Irvine, Irvine, CA, USA
| | - JZ Li
- Department of Human Genetics, University of Michigan, Ann Arbor, MI, USA
| | - DM Walsh
- Department of Psychiatry and Human Behavior, School of Medicine, University of California, Irvine, Irvine, CA, USA
| | - R Stein
- Department of Psychiatry and Human Behavior, School of Medicine, University of California, Irvine, Irvine, CA, USA
| | - MP Vawter
- Department of Psychiatry and Human Behavior, School of Medicine, University of California, Irvine, Irvine, CA, USA
| | - P Cartagena
- Department of Psychiatry and Human Behavior, School of Medicine, University of California, Irvine, Irvine, CA, USA
| | - JD Barchas
- Department of Psychiatry, Weill Cornell Medical College, New York, NY, USA
| | - AF Schatzberg
- Department of Psychiatry, Stanford University, Palo Alto, CA, USA
| | - RM Myers
- HudsonAlpha, Institute for Biotechnology, Huntsville, AL, USA
| | - SJ Watson
- Department of Molecular and Behavioral Neuroscience Institute, University of Michigan, Ann Arbor, MI, USA
| | - H Akil
- Department of Molecular and Behavioral Neuroscience Institute, University of Michigan, Ann Arbor, MI, USA
| | - WE Bunney
- Department of Psychiatry and Human Behavior, School of Medicine, University of California, Irvine, Irvine, CA, USA
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New hypothesis and treatment targets of depression: an integrated view of key findings. Neurosci Bull 2015; 31:61-74. [PMID: 25575479 DOI: 10.1007/s12264-014-1486-4] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2014] [Accepted: 10/05/2014] [Indexed: 10/24/2022] Open
Abstract
Major depressive disorder (MDD) is a common and devastating psychiatric disorder characterized by persistent low mood, cognitive disorder, and impaired social function. Despite its complex mechanisms, increasing evidence has identified the involvement of neurotrophic factors, inflammatory cytokines, the hypothalamus-pituitary-adrenal axis, and glutamate receptors in the pathophysiology of this illness. The present review synthesizes recent research achievements to define the network between different hypotheses of MDD and to understand which part is most pivotal for its pathogenesis. By integrating MDD-related signal pathways, we highlight brain-derived neurotrophic factor (BDNF) dysfunction and increased apoptosis as the final common cascades, and new therapeutic strategies aiming to enhance BDNF function have been shown to exert a rapid and effective antidepressant action.
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31
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Pineal Calcification Is Associated with Symptomatic Cerebral Infarction. J Stroke Cerebrovasc Dis 2014; 23:249-53. [DOI: 10.1016/j.jstrokecerebrovasdis.2013.01.009] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2012] [Revised: 12/20/2012] [Accepted: 01/20/2013] [Indexed: 11/21/2022] Open
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32
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Anderson G, Berk M, Dean O, Moylan S, Maes M. Role of immune-inflammatory and oxidative and nitrosative stress pathways in the etiology of depression: therapeutic implications. CNS Drugs 2014; 28:1-10. [PMID: 24150993 DOI: 10.1007/s40263-013-0119-1] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Accumulating data have led to a re-conceptualization of depression that emphasizes the role of immune-inflammatory processes, coupled to oxidative and nitrosative stress (O&NS). These in turn drive the production of neuroregulatory tryptophan catabolites (TRYCATs), driving tryptophan away from serotonin, melatonin, and N-acetylserotonin production, and contributing to central dysregulation. This revised perspective better encompasses the diverse range of biological changes occurring in depression and in doing so provides novel and readily attainable treatment targets, as well as potential screening investigations prior to treatment initiation. We briefly review the role that immune-inflammatory, O&NS, and TRYCAT pathways play in the etiology, course, and treatment of depression. We then discuss the pharmacological treatment implications arising from this, including the potentiation of currently available antidepressants by the adjunctive use of immune- and O&NS-targeted therapies. The use of such a frame of reference and the treatment benefits attained are likely to have wider implications and utility for depression-associated conditions, including the neuroinflammatory and (neuro)degenerative disorders.
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