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Melatonin depression

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https://www.readbyqxmd.com/read/28802861/contrasting-effects-of-vortioxetine-and-paroxetine-on-pineal-gland-biochemistry-in-a-tryptophan-depletion-model-of-depression-in-female-rats
#1
M Franklin, N Hlavacova, Y Li, I Bermudez, A Csanova, C Sanchez, D Jezova
We studied the effects of the multi-modal antidepressant, vortioxetine and the SSRI, paroxetine on pineal melatonin and monoamine synthesis in a sub-chronic tryptophan (TRP) depletion model of depression based on a low TRP diet. Female Sprague-Dawley rats were randomised to groups a) control, b) low TRP diet, c) low TRP diet+paroxetine and d) low TRP diet+vortioxetine. Vortioxetine was administered via the diet (0.76mg/kg of food weight) and paroxetine via drinking water (10mg/kg/day) for 14days. Both drugs resulted in SERT occupancies >90%...
August 9, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28799778/how-important-is-tryptophan-in-human-health
#2
Joanna Kałużna-Czaplińska, Paulina Gątarek, Salvatore Chirumbolo, Max Stanley Chartrand, Geir Bjørklund
Tryptophan (Trp) is an amino acid and an essential component of the human diet. It plays a crucial role in many metabolic functions. Clinicians can use Trp levels in the course of diagnosing various metabolic disorders and the symptoms associated with those diseases. Furthermore, supplementation with this amino acid is considered in the treatment of depression and sleep disorders, mainly due to the Trp relationship with the synthesis of serotonin (5-HT) and melatonin. It is also used in helping to resolve cognitive disorders, anxiety, or neurodegenerative diseases...
August 11, 2017: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/28777368/-melatonin-known-problems-and-perspectives-of-clinical-usage
#3
A V Zakharov, E V Khivintseva, V F Pytin, M S Sergeeva, O I Antipov
The article discusses well-known and ongoing studies of mechanisms of action of melatonin. The main clinical effects of melatonin are discussed. The emphasis on the chronobiological effect of melatonin, its adaptogenic and anti-carcinogenic properties has been done in the article. The most frequent manifestations of epiphyseal melatonin deficiency are various functional disorders in the form of insomnia, anxiety or depressive disorders. Recommendations on the effective use of melatonin in its deficiency due to pathology are given...
2017: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/28777177/chronic-insomnia-disorder
#4
Alon Y Avidan, David N Neubauer
PURPOSE OF REVIEW: Neurologists, along with all health care providers, commonly encounter patients with insomnia, which is a condition that impacts patients' underlying neurologic conditions in a bidirectional manner. While chronic insomnia is one of the most common sleep disturbances, only a small proportion of individuals with this condition discuss their sleep problems with their providers. When insomnia is described, it is more often in relationship to another medical problem, as opposed to an independent condition...
August 2017: Continuum: Lifelong Learning in Neurology
https://www.readbyqxmd.com/read/28774755/human-seasonal-and-circadian-studies-in-antarctica-halley-75-0-s
#5
Josephine Arendt, Benita Middleton
Living for extended periods in Antarctica exposes base personnel to extremes of daylength (photoperiod) and temperature. At the British Antarctic Survey base of Halley, 75(0)S, the sun does not rise for 110 d in the winter and does not set for 100 d in summer. Photoperiod is the major time cue governing the timing of seasonal events such as reproduction in many species. The neuroendocrine signal providing photoperiodic information to body physiology is the duration of melatonin secretion which reflects the length of the night: longer in the short days of winter and shorter in summer...
July 31, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/28755938/effects-of-photoperiod-modulation-and-melatonin-feeding-around-drying-off-on-bovine-mammary-gland-involution
#6
B Ponchon, P Lacasse, S Ollier, X Zhao
The risk for a dairy cow to acquire new intramammary infections is high during the transition from lactation to the dry period, because of udder engorgement and altered immune functions. Once the gland is fully involuted, it becomes much more resistant to intramammary infections. Therefore, strategies to depress milk yield before drying-off and accelerate the involution process after drying-off could be beneficial for udder health. The objective of this study was to assess the effect of photoperiod manipulation and melatonin feeding from 14 d before to 14 d after drying-off on the speed of the involution process...
July 26, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28746841/the-antidepressant-effect-of-melatonin-and-fluoxetine-in-diabetic-rats-is-associated-with-a-reduction-of-the-oxidative-stress-in-the-prefrontal-and-hippocampal-cortices
#7
Redouane Rebai, Luc Jasmin, Abdennacer Boudah
In the past few years possible mechanisms that link diabetes and depression have been found. One of these mechanisms is the increase in lipid peroxidation and decrease in antioxidant activity in the hippocampal and prefrontal cortices, which are brain areas involved in mood. The goal of the present study was to evaluate the effect of an antidepressant and of an antioxidant on behavior and oxidative activity in brains of diabetic rats. Rats rendered diabetic after a treatment with streptozotocin (STZ) (60mg/kg) were treated with fluoxetine (15mg/kg), melatonin (10mg/kg), or vehicle for 4 weeks...
July 23, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28723608/breastfeeding-and-the-gut-brain-axis-is-there-a-role-for-melatonin
#8
REVIEW
George Anderson, Cathy Vaillancourt, Michael Maes, Russel J Reiter
The benefits of breastfeeding over formula feed are widely appreciated. However, for many mothers breastfeeding is not possible, highlighting the need for a significant improvement in the contents of formula feed. In this article, the overlooked role of melatonin and the melatonergic pathways in breast milk and in the regulation of wider breast milk components are reviewed. There is a growing appreciation that the benefits of breastfeeding are mediated by its effects in the infant gut, with consequences for the development of the gut-brain axis and the immune system...
July 19, 2017: Biomolecular Concepts
https://www.readbyqxmd.com/read/28720269/relationships-of-salivary-cortisol-and-melatonin-rhythms-to-sleep-quality-emotion-and-fatigue-levels-in-patients-with-newly-diagnosed-lung-cancer
#9
Wen-Pei Chang, Chia-Chin Lin
PURPOSE: After being diagnosed with lung cancer, patients often experience sleep disturbance, anxiety, depression, and fatigue. These symptoms may occur because of changes in neurotransmitter secretion caused by tumors. This study investigated the correlation of cortisol and melatonin rhythms with sleep quality, anxiety, depression, and fatigue levels in patients with newly diagnosed lung cancer. METHOD: We conducted a case-control study and recruited 40 patients with newly diagnosed lung cancer and 40 healthy adults...
August 2017: European Journal of Oncology Nursing: the Official Journal of European Oncology Nursing Society
https://www.readbyqxmd.com/read/28707591/new-generation-non-ssri-antidepressants-therapeutic-drug-monitoring-and-pharmacological-interactions-part-1-snris-smss-saris
#10
Roberto Mandrioli, Michele Protti, Laura Mercolini
BACKGROUND: New-generation antidepressants (NGAs) are the latest additions to the clinician's arsenal in the fight against depression. After the introduction of selective serotonin reuptake inhibitors (SSRIs), a plethora of other groups followed, identified by their main mechanisms of activity: serotonin and norepinephrine reuptake inhibitors (SNRI); serotonin modulators and stimulators (SMS); serotonin antagonists and reuptake inhibitors (SARI); noradrenergic and selective serotonergic antidepressants (NaSSA); norepinephrine reuptake inhibitors (NeRI); serotonin, norepinephrine and dopamine reuptake inhibitors (SNDRI) or triple reuptake inhibitors (TRI); and melatonin and serotonin agonists (MaSA)...
July 12, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28691893/sleep-and-mood-changes-in-advanced-age-after-blue-blocking-yellow-intra-ocular-lens-iols-implantation-during-cataract-surgical-treatment-a-randomized-controlled-trial
#11
Olivia Zambrowski, Elsa Tavernier, Eric H Souied, Thomas Desmidt, Amélie Le Gouge, David Bellicaud, Béatrice Cochener, Nadège Limousin, Caroline Hommet, Elisabeth Autret-Leca, Pierre-Jean Pisella, Vincent Camus
OBJECTIVES: Both advanced age and depression are characterized by changes in sleep patterns. Light exposure is one of the main synchronizers of circadian cycles and influences sleep by inhibiting melatonin secretion, which is mostly sensitive to light of low wavelengths (blue). Blue-blocking (yellow) intraocular lenses (IOLs) have supplanted the usual UV-blocking (clear) IOLs during cataract surgery to prevent age-related macular degeneration, however, the impact of yellow IOLs on sleep and mood is unclear...
July 10, 2017: Aging & Mental Health
https://www.readbyqxmd.com/read/28676736/lower-in-vivo-myo-inositol-in-the-anterior-cingulate-cortex-correlates-with-delayed-melatonin-rhythms-in-young-persons-with-depression
#12
Rébecca Robillard, Jim Lagopoulos, Daniel F Hermens, Sharon L Naismith, Naomi L Rogers, Django White, Joanne S Carpenter, Manreena Kaur, Elizabeth M Scott, Ian B Hickie
Myo-inositol, a second messenger glucose isomer and glial marker, is potentiated by melatonin. In addition to common abnormalities in melatonin regulation, depressive disorders have been associated with reduced myo-inositol in frontal structures. This study examined associations between myo-inositol in the anterior cingulate cortex and the timing of evening melatonin release. Forty young persons with unipolar depression were recruited from specialized mental health services (20.3 ± 3.8 years old). Healthy controls were recruited from the community (21...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28661421/oral-supplementation-of-melatonin-protects-against-fibromyalgia-related-skeletal-muscle-alterations-in-reserpine-induced-myalgia-rats
#13
Gaia Favero, Valentina Trapletti, Francesca Bonomini, Alessandra Stacchiotti, Antonio Lavazza, Luigi Fabrizio Rodella, Rita Rezzani
Fibromyalgia is a chronic syndrome characterized by widespread musculoskeletal pain and an extensive array of other symptoms including disordered sleep, fatigue, depression and anxiety. Important factors involved in the pathogenic process of fibromyalgia are inflammation and oxidative stress, suggesting that ant-inflammatory and/or antioxidant supplementation might be effective in the management and modulation of this syndrome. Recent evidence suggests that melatonin may be suitable for this purpose due to its well known ant-inflammatory, antioxidant and analgesic effects...
June 29, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28644985/depressive-like-behavior-is-elevated-among-offspring-of-parents-exposed-to-dim-light-at-night-prior-to-mating
#14
Yasmine M Cissé, Kathryn L G Russart, Randy J Nelson
Rates of major depressive disorder (MDD) have steadily increased over the past 50 years. Many factors have been implicated in the etiology of depressive disorders and environmental influences are being increasingly recognized. The increase in depression rates has coincided with increased artificial nighttime lighting. Exposure to light at night (LAN) has been associated with increased depressive-like behavior in rodents and decreased mood in humans. However, relatively little is known on the multigenerational effects of dLAN on affect...
September 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28612993/melatonin-as-a-treatment-for-mood-disorders-a-systematic-review
#15
F De Crescenzo, A Lennox, J C Gibson, J H Cordey, S Stockton, P J Cowen, D J Quested
OBJECTIVE: Melatonin has been widely studied in the treatment of sleep disorders and evidence is accumulating on a possible role for melatonin influencing mood. Our aim was to determine the efficacy and acceptability of melatonin for mood disorders. METHOD: We conducted a comprehensive systematic review of randomized clinical trials on patients with mood disorders, comparing melatonin to placebo. RESULTS: Eight clinical trials were included; one study in bipolar, three in unipolar depression and four in seasonal affective disorder...
June 14, 2017: Acta Psychiatrica Scandinavica
https://www.readbyqxmd.com/read/28608594/melatonin-ameliorates-anxiety-and-depression-like-behaviors-and-modulates-proteomic-changes-in-triple-transgenic-mice-of-alzheimer-s-disease
#16
Lulin Nie, Gang Wei, Shengming Peng, Zhongsen Qu, Ying Yang, Qian Yang, Xinfeng Huang, Jianjun Liu, Zhixiong Zhuang, Xifei Yang
Alzheimer's disease (AD) is a devastating neurodegenerative disease accompanied by neuropsychiatric symptoms, such as anxiety and depression. The levels of melatonin decrease in brains of AD patients. The potential effect of melatonin on anxiety and depression behaviors in AD and the underlying mechanisms remain unclear. In this study, we treated 10-month-old triple transgenic mice of AD (3xTg-AD) with melatonin (10 mg/kg body weight/day) for 1 month and explored the effects of melatonin on anxiety and depression-like behaviors in 3xTg-AD mice and the protein expression of hippocampal tissues...
June 13, 2017: BioFactors
https://www.readbyqxmd.com/read/28579782/effect-of-aripiprazole-on-non-24-hour-sleep-wake-rhythm-disorder-comorbid-with-major-depressive-disorder-a-case-report
#17
Kentaro Matsui, Yoshikazu Takaesu, Takeshi Inoue, Ken Inada, Katsuji Nishimura
BACKGROUND: Patients with non-24-hour sleep-wake rhythm disorder (N24SWD) exhibit a sleep pattern that is asynchronous with the external light-dark cycle, typically involving a cycling, relapsing-remitting pattern of sleep disturbances, including nighttime insomnia and daytime sleepiness. Here, we report the case of a patient with N24SWD comorbid with major depressive disorder, who was successfully treated with a low dose of aripiprazole. CASE PRESENTATION: A 47-year-old female presented with an 8-year complaint of difficulty falling asleep and waking up in the morning...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28578215/effects-of-agomelatine-on-pentylenetetrazole-induced-kindling-kindling-associated-oxidative-stress-and-behavioral-despair-in-mice-and-modulation-of-its-actions-by-luzindole-and-1-m-chlorophenyl-piperazine
#18
M Suhaib Azim, Nidhi B Agarwal, Divya Vohora
In view of well-evidenced antiepileptic effects of melatonin and few reports of anticonvulsant action of agomelatine, the present study investigated whether agomelatine protects against pentylenetetrazole (PTZ)-induced kindling in mice and kindling-associated oxidative stress, depression, and impairment of spatial memory. In order to explore whether effects are mediated by melatonergic or serotonergic mechanisms, 1-(m-chlorophenyl) piperazine (mCPP), selective 5HT2c receptor agonist and luzindole, melatonergic receptor antagonist, were taken as pharmacological tools...
June 1, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28557857/consumption-of-a-5-mg-melatonin-supplement-does-not-affect-32-2-kilometer-cycling-time-trial-performance
#19
Kyle J Brandenberger, Christopher P Ingalls, Jeffrey C Rupp, J Andrew Doyle
Some studies suggest that exogenous melatonin supplementation may improve athletic performance in hot humid environments because of its precooling effect. However, melatonin is also consumed as a sleep aid for its depressive effects on the central nervous system, which may hinder performance. Therefore, this study was conducted to determine whether consuming a 5 mg supplement of melatonin would affect performance in a laboratory-simulated 32.2 kilometer cycling time trial. The time trial was conducted in a thermoneutral environment to separate CNS depressive effects of the melatonin from the cooling effects...
May 25, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28526480/human-seasonal-and-circadian-studies-in-antarctica-halley-75-0-s
#20
Josephine Arendt, Benita Middleton
Living for extended periods in Antarctica exposes base personnel to extremes of daylength (photoperiod) and temperature. At the British Antarctic Survey base of Halley, 75(0)S, the sun does not rise for 110 d in the winter and does not set for 100 d in summer. Photoperiod is the major time cue governing the timing of seasonal events such as reproduction in many species. The neuroendocrine signal providing photoperiodic information to body physiology is the duration of melatonin secretion which reflects the length of the night: longer in the short days of winter and shorter in summer...
May 16, 2017: General and Comparative Endocrinology
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