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https://www.readbyqxmd.com/read/29329256/personalized-antidepressant-selection-and-pathway-to-novel-treatments-clinical-utility-of-targeting-inflammation
#1
REVIEW
Manish K Jha, Madhukar H Trivedi
Major depressive disorder (MDD) is a chronic condition that affects one in six adults in the US during their lifetime. The current practice of antidepressant medication prescription is a trial-and-error process. Additionally, over a third of patients with MDD fail to respond to two or more antidepressant treatments. There are no valid clinical markers to personalize currently available antidepressant medications, all of which have similar mechanisms targeting monoamine neurotransmission. The goal of this review is to summarize the recent findings of immune dysfunction in patients with MDD, the utility of inflammatory markers to personalize treatment selection, and the potential of targeting inflammation to develop novel antidepressant treatments...
January 12, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29283065/we-are-not-alone-in-our-body-insights-into-the-involvement-of-microbiota-in-the-etiopathogenesis-and-pharmacology-of-mental-illness
#2
Claudia Pisanu, Alessio Squassina
BACKGROUND: The etiopathogenesis of psychiatric disorders is still not completely understood. Growing evidence supports the hypothesis that mental illness and related disturbances in the brain neurobiology do not necessarily originate in the brain. Inflammation has been suggested to play a central role in psychiatric disorders, and altered levels of peripheral cytokines have been reported in several studies. OBJECTIVE AND METHODS: In this review, we present and discuss studies exploring the role of dysbiosis and products of the gut-microbiota in the pathogenesis of psychiatric disorders, as well as its potential involvement in mediating the effect of antidepressants, mood stabilizers, and antipsychotics...
December 27, 2017: Current Drug Metabolism
https://www.readbyqxmd.com/read/29232311/lithium-colchicine-a-potential-strategy-to-reduce-pro-inflammatory-effects-of-lithium-treatment
#3
John J Mooney, Roscoe O Brady
PURPOSE: Rosenblat and McIntyre (Acta Psychiatr Scand. 2015;132: 180-191) propose that immune disorders are important mediators between bipolar disorders and medical comorbidities. Rosenblat et al (Bipolar Disord. 2016;18:89-101) present a meta-analysis showing that adjunctive anti-inflammatory agents could evoke moderate antidepressant responses in bipolar disorders. We propose using the anti-inflammatory drug colchicine to improve the long-term safety and efficacy of lithium treatment for bipolar disorders...
February 2018: Journal of Clinical Psychopharmacology
https://www.readbyqxmd.com/read/29229502/sodium-butyrate-abolishes-lipopolysaccharide-induced-depression-like-behaviors-and-hippocampal-microglial-activation-in-mice
#4
Yosuke Yamawaki, Norika Yoshioka, Kanako Nozaki, Hikaru Ito, Keisuke Oda, Kana Harada, Satomi Shirawachi, Satoshi Asano, Hidenori Aizawa, Shigeto Yamawaki, Takashi Kanemastu, Hiroyuki Akagi
Patients with major depressive disorder have elevated peripheral inflammation; the degree of this increase correlates with the severity of the disorder. Chronic psychological stress increases pro-inflammatory cytokines and promotes microglial activation, leading to stress vulnerability. Epigenetics, including DNA methylation and histone modification, are also related to the pathophysiology of major depressive disorder. Sodium butyrate (SB), a histone deacetylase inhibitor, exerts an antidepressant effect by altering gene expression in the hippocampus...
December 8, 2017: Brain Research
https://www.readbyqxmd.com/read/29215318/therapeutic-potential-of-silymarin-in-chronic-unpredictable-mild-stress-induced-depressive-like-behavior-in-mice
#5
Vishnu N Thakare, Rajesh R Patil, Rajesh J Oswal, Valmik D Dhakane, Manoj K Aswar, Bhoomika M Patel
Silymarin, a plant-derived polyphenolic flavonoid of Silybum marianum, elicited significant antidepressant-like activity in an acute restraint stress model of depression. It improved monoamines, mainly 5-hydroxytryptamine (5-HT) levels in the cortex, dopamine (DA) and norepinephrine (NE) in the cerebellum in mice. The present study was undertaken to explore the antidepressant potential of silymarin in chronic unpredictable mild stress (CUMS) induced depressive-like behavior in mice, and to find out its probable mechanism(s) of action, mainly neurogenesis, neuroinflammation, and/or oxidative stress...
December 1, 2017: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/29212498/salvianolic-acid-b-protects-against-lipopolysaccharide-induced-behavioral-deficits-and-neuroinflammatory-response-involvement-of-autophagy-and-nlrp3-inflammasome
#6
Pei Jiang, Yujin Guo, Ruili Dang, Mengqi Yang, Dehua Liao, Huande Li, Zhen Sun, Qingyan Feng, Pengfei Xu
BACKGROUND: The NLRP3 inflammasome activation and neuroinflammation are known to be involved in the pathology of depression, whereas autophagy has multiple effects on immunity, which is partly mediated by the regulation of inflammasome and clearance of proinflammatory cytokines. Given the emerging evidence that autophagy dysfunction plays an essential role in depression, it is very likely that autophagy may interact with the inflammatory process in the development and treatment of depression...
December 6, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29196145/effects-of-imipramine-on-cytokines-panel-in-the-rats-serum-during-the-drug-treatment-and-discontinuation
#7
M Kuśmider, A Faron-Górecka, P Pabian, J Solich, M Szlachta, M Kolasa, D Żurawek, J Wójcikowski, W Daniel, M Dziedzicka-Wasylewska
Time dependent sensitization (TDS) - phenomenon described originally by Chiodo and Antelman (1980) in context of dopamine receptors, refers to cascade of events that continue to develop in the organism, after the initiating stimulus is no longer available. Treatment could be recognized as such a initiating stimulus (in case of depression, example of electroconvulsive therapy would be obvious, but some aspects of pharmacotherapy too). The process leads to improvement, but, on the other hand, phenomena of kindling in recurrent depression is well known (more relapses and therapies make heavier and longer lasting subsequent episodes)...
November 28, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/29184215/social-stress-induces-neurovascular-pathology-promoting-depression
#8
Caroline Menard, Madeline L Pfau, Georgia E Hodes, Veronika Kana, Victoria X Wang, Sylvain Bouchard, Aki Takahashi, Meghan E Flanigan, Hossein Aleyasin, Katherine B LeClair, William G Janssen, Benoit Labonté, Eric M Parise, Zachary S Lorsch, Sam A Golden, Mitra Heshmati, Carol Tamminga, Gustavo Turecki, Matthew Campbell, Zahi A Fayad, Cheuk Ying Tang, Miriam Merad, Scott J Russo
Studies suggest that heightened peripheral inflammation contributes to the pathogenesis of major depressive disorder. We investigated the effect of chronic social defeat stress, a mouse model of depression, on blood-brain barrier (BBB) permeability and infiltration of peripheral immune signals. We found reduced expression of the endothelial cell tight junction protein claudin-5 (Cldn5) and abnormal blood vessel morphology in nucleus accumbens (NAc) of stress-susceptible but not resilient mice. CLDN5 expression was also decreased in NAc of depressed patients...
December 2017: Nature Neuroscience
https://www.readbyqxmd.com/read/29179585/immune-based-strategies-for-mood-disorders-facts-and-challenges
#9
Gabriela D Colpo, Marion Leboyer, Robert Dantzer, Mahdukar H Trivedi, Antonio L Teixeira
Inflammation seems to play a role in the pathophysiology of mood disorders, including major depressive disorder (MDD) and bipolar disorder (BD). In the last years several studies have shown increased levels of inflammatory and/or immune markers in patients with mood disorders. Accordingly, the immune system has become a target of interest for the development of biomarkers and therapeutics for mood disorders. Areas covered: Here, we review the evidence showing low-grade inflammation in mood disorders and the studies evaluating immune-based strategies for the treatment of these conditions...
November 27, 2017: Expert Review of Neurotherapeutics
https://www.readbyqxmd.com/read/29175455/anxiolytic-and-antidepressant-like-effects-of-silymarin-compared-to-diazepam-and-fluoxetine-in-a-mouse-model-of-mild-traumatic-brain-injury
#10
Morteza Kosari-Nasab, Ghaffar Shokouhi, Amir Ghorbanihaghjo, Mehran Mesgari Abbasi, Ali-Akbar Salari
Clinical and experimental studies have shown that mild traumatic brain injury (mTBI) is associated with increased anxiety- and depression-related behaviors and inflammation in the brain. Unfortunately, there are no specific therapies for long-term behavioral consequences of mTBI. This study set out to determine whether silymarin treatment compared to diazepam (DZP) and fluoxetine (FLX) can reduce neuroinflammation, anxiety- and depression-like behaviors after mTBI induction in mice. We used open field, elevated plus maze, light-dark box, zero maze, sucrose preference, forced swim, and tail suspension tests to assess anxiety and depression-like behaviors in mTBI-induced mice...
January 1, 2018: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/29105627/macrophage-related-cytokine-expressions-in-depression-mouse-model-induced-by-chronic-unpredictable-mild-stress
#11
Shoulian Zhu, Lejing Li, Ying Li, Wenyuan Cao
Depression is characterized by mental retardation, interest blank, hypoactivity, anxiety, appetite loss, sexual dysfunction, sleep disorders and other symptoms. The incidence of depressed patients has demonstrated an upward trend in recent years. Antidepressant drugs are commonly used in modern medicine, but they have the side effect of drug resistance. This study aims to explore the effect of acupuncture stimulation on expressions of macrophage-related cytokines in mice with depression induced by chronic unpredictable mild stress (CUMS), and to explore the underlying immunological mechanism...
September 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29101798/cytokine-serum-levels-remain-unchanged-during-lithium-augmentation-of-antidepressants-in-major-depression
#12
Roland Ricken, Marlene Busche, Peter Schlattmann, Hubertus Himmerich, Sandra Bopp, Tom Bschor, Christoph Richter, Thomas J Stamm, Andreas Heinz, Rainer Hellweg, Undine E Lang, Mazda Adli
Lithium augmentation (LA) of antidepressants is a first-line therapy in treatment-resistant depression. Immunomodulatory effects of lithium have been described. The cytokine hypothesis of depression postulates that cytokines play a key role in the pathophysiology of depression. Concordantly, it has been shown that proinflammatory cytokine serum levels decrease during antidepressant treatment. The aim of this study was to investigate changes in cytokine serum levels during LA. Serum concentrations of the cytokines interleukin (IL)-2, IL-4, IL-6, IL-8, IL-10, tumour necrosis factor alpha, interferon-gamma, granulocyte and monocyte colony stimulating factor were measured in a total of 95 acutely depressed patients before and after four weeks of LA...
October 5, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/29070016/investigating-the-epigenetic-profile-of-the-inflammatory-gene-il-6-in-late-life-depression
#13
Joanne Ryan, Lauren Pilkington, Katharina Neuhaus, Karen Ritchie, Marie-Laure Ancelin, Richard Saffery
BACKGROUND: It is well established that there is a link between inflammation and depression, with several studies reporting increased circulating levels of the pro-inflammatory cytokine, interleukin-6 (IL6), in depressed individuals. Peripheral epigenetic marks, including DNA methylation, hold promise as biomarkers for a range of complex conditions, with potential to inform diagnosis and tailor interventions. The aim of this study was to determine whether individuals with depression display differential methylation of the IL6 gene promoter compared to individuals without depression...
October 25, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/29063119/-inflammatory-mechanism-of-depression-and-its-new-strategy%C3%A2-for-diagnosis-and%C3%A2-treatment
#14
Wen-Jun Su, Zhi-Yong Cao, Chun-Lei Jiang
Depression is a major class of mental illness; owing to its high prevalence, high disability rate and heavy disease burden, it has become a stern and formidable global health problem. It is generally believed that the etiology of depression is multifactorial, which is related to gender differences, chronic stress, dietary behavior and drug abuse. At present, the exact pathophysiological mechanism of depression still remains unclear, but researchers across the globe put forward various hypotheses to interpret the possible access to this disease, including monoamine neurotransmitter disturbance, hypothalamic-pituitary-adrenal (HPA) axis dysfunction, lack of neurotrophic factors and excessive pro-inflammatory cytokines...
October 25, 2017: Sheng Li Xue Bao: [Acta Physiologica Sinica]
https://www.readbyqxmd.com/read/29057467/vortioxetine-exerts-antiinflammatory-and-immunomodulatory-effects-on-human-monocytes-macrophages
#15
Maria Talmon, Silvia Rossi, Anna Pastore, Carlo Ignazio Cattaneo, Sandra Brunelleschi, Luigia Grazia Fresu
BACKGROUND AND PURPOSE: A crosstalk between the immune system and depression has been postulated, with a key role played by monocytes/macrophages and cytokines. In this paper we examined whether vortioxetine, a multimodal anti-depressive drug, was endowed of antiinflammatory and anti-oxidative activity, leading to immunomodulatory effects on human monocytes and macrophages. EXPERIMENTAL APPROACHES: Human monocytes were isolated from buffy coats and used as such or differentiated into M1 and M2 macrophages...
October 22, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/29055264/differences-in-immunomodulatory-properties-between-venlafaxine-and-paroxetine-in-patients-with-major-depressive-disorder
#16
Chun-Yen Chen, Yi-Wei Yeh, Shin-Chang Kuo, Chih-Sung Liang, Pei-Shen Ho, Chang-Chih Huang, Che-Hung Yen, Jia-Fwu Shyu, Ru-Band Lu, San-Yuan Huang
Inflammatory processes play a crucial role in the pathophysiology of depression, and identifying the specific cytokines targeted by different antidepressants is important for personalized treatment. The aims of this study were to examine whether venlafaxine and paroxetine cause different immunomodulatory effects when used to treat patients with major depression and to clarify the relationships between plasma cytokine levels and the therapeutic effectiveness of these drugs. A total of 91 Han Chinese patients with major depression completed the 8-week paroxetine or venlafaxine treatment and 90 healthy controls were recruited...
October 12, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29049348/chronic-administration-of-fluoxetine-and-pro-inflammatory-cytokine-change-in-a-rat-model-of-depression
#17
Yanxia Lu, Cyrus S Ho, Xin Liu, Anna N Chua, Wei Wang, Roger S McIntyre, Roger C Ho
This study evaluated the chronic effects of fluoxetine, a commonly prescribed SSRI antidepressant, on the peripheral and central levels of inflammatory cytokines including IL-1β, IL-6, TNF-α and IL-17 over a 4-interval in a rat model of chronic mild stress (CMS) which resembles the human experience of depression. Twenty-four Sprague-Dawley rats were randomly assigned to CMS+vehicle (n = 9), CMS+fluoxetine (n = 9) and the control (n = 6) groups. Sucrose preference and forced swim tests were performed to assess behavioral change...
2017: PloS One
https://www.readbyqxmd.com/read/29042992/timosaponin-b-iii-exhibits-antidepressive-activity-in-a-mouse-model-of-postpartum-depression-by-the-regulation-of-inflammatory-cytokines-bndf-signaling-and-synaptic-plasticity
#18
Xiao-Li Zhang, Lin Wang, Li Xiong, Feng-Hua Huang, Han Xue
The aim of this study was to investigate the antidepressive effects of timosaponin B-III (TB-III) and the underlying mechanism. A postpartum depression (PPD) mouse model was established by the administration of dexamethasone sodium phosphate during pregnancy. Mice with PPD were assigned to the following groups: Model, fluoxetine and high, medium and low doses of TB-III. Post-parturient mice without PPD served as a normal control group. To examine the effect of TB-III, mice were treated with TB-III, then forced swimming tests (FSTs) and tail suspension tests (TSTs) were performed to evaluate depression...
October 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29016822/platelet-derived-growth-factor-as-an-antidepressant-treatment-selection-biomarker-higher-levels-selectively-predict-better-outcomes-with-bupropion-ssri-combination
#19
Manish K Jha, Abu Minhajuddin, Bharathi S Gadad, Madhukar H Trivedi
Background: Platelet derived growth factor is integral to maintenance of blood brain barrier, increases in response to blood brain barrier disruption, and may reflect neuroinflammation. Based on previous reports of better outcomes with dopaminergic antidepressants in depressed patients with elevated inflammatory biomarkers, we hypothesize that elevated peripheral platelet derived growth factor levels can serve as a powerful biomarker for selecting dopaminergic antidepressants. Methods: Platelet derived growth factor, basic fibroblast growth factor, and granulocyte colony stimulating factor were measured as part of Bioplex Pro human cytokine 27-plex kit in participants of the Combining Medications to Enhance Depression Outcomes trial who provided baseline plasma (n=166) and were treated with either bupropion-plus-escitalopram, escitalopram-plus-placebo, or venlafaxine-plus-mirtazapine...
November 1, 2017: International Journal of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29016795/leonurine-exerts-antidepressant-like-effects-in-the-chronic-mild-stress-induced-depression-model-in-mice-by-inhibiting-neuroinflammation
#20
Miaomiao Jia, Chenxin Li, Ying Zheng, Xiaojing Ding, Meng Chen, Jianhua Ding, Renhong Du, Ming Lu, Gang Hu
Background: Leonurine is an active alkaloid that is extracted from Traditional Chinese Medicine Herba leonuri. Emerging evidence indicates that leonurine produces neuroprotective effects in ischemic stroke, Parkinson's disease, and Alzheimer's disease. However, the effect of leonurine in neuropsychiatric disorders, especially in major depression, remains unknown. Methods: We used the chronic mild stress mouse model to explore the antidepressant effects of leonurine and the potential mechanisms...
November 1, 2017: International Journal of Neuropsychopharmacology
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