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https://www.readbyqxmd.com/read/28433456/cytokine-alterations-and-cognitive-impairment-in-major-depressive-disorder-from-putative-mechanisms-to-novel-treatment-targets
#1
REVIEW
Błażej Misiak, Jan Aleksander Beszłej, Kamila Kotowicz, Monika Szewczuk-Bogusławska, Jerzy Samochowiec, Jolanta Kucharska-Mazur, Dorota Frydecka
Overwhelming evidence indicates the involvement of immune-inflammatory processes in the pathophysiology of major depressive disorder (MDD). Peripheral cytokine alterations serve as one of most consistently reported indices of subthreshold inflammatory state observed in MDD. Although cytokines cannot pass directly through the blood-brain barrier, a number of transport mechanisms have been reported. In addition, peripheral cytokines may impact central nervous system via downstream effectors of their biological activity...
April 19, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28370241/lc-q-tof-profile-and-preliminary-stability-studies-of-an-enriched-flavonoid-fraction-of-cecropia-pachystachya-tr%C3%A3-cul-leaves-with-potential-antidepressant-like-activity
#2
Caroline F Ortmann, Helena M Abelaira, Gislaine Z Réus, Zuleide M Ignácio, Vitor Clasen Chaves, Talitha Caldas Dos Santos, Pâmela de Carvalho, Anelise S Carlessi, Livia Bruchchen, Lucineia G Danielski, Simone Gonçalves Cardoso, Angela M de Campos, Fabricia Petronilho, Joyce Rebelo, Meline O S Morais, Francieli Vuolo, Felipe Dal-Pizzol, Emilio L Streck, João Quevedo, Flávio H Reginatto
There is an increasing interest in natural antioxidants that are candidates for prevention of brain damage occurring in major depressive disorders. Cecropia pachystachya is a tropical tree species of Central and South America and is a rich source of polyphenols, especially flavonoids. The aim of this study was to characterize the flavonoid profile of an enriched flavonoid fraction of C. pachystachya (EFF-Cp) and evaluate the antidepressant-like effects of its acute administration in behavior, cytokine levels, oxidative stress and energy metabolism parameters...
March 31, 2017: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/28342944/the-anti-inflammatory-mechanism-of-antidepressants-ssris-snris
#3
REVIEW
Piotr Gałecki, Joanna Mossakowska-Wójcik, Monika Talarowska
The cytokine theory of depression no longer brings about any doubts. Experiments and research studies conducted in the last ten years have confirmed that both physical and psychological (emotional) stress increases the likelihood of occurrence of mental disorders (including depressive disorders) owing to the action of a series of hormonal and biochemical mechanisms. Selective serotonin reuptake inhibitors (SSRI) as well as serotonin and norepinephrine reuptake inhibitors (SNRIs) are some of the most commonly applied drugs in the world during pharmacotherapy of recurrent depressive disorder...
March 22, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28337940/genome-wide-analysis-of-lps-induced-inflammatory-response-in-the-rat-ventral-hippocampus-modulatory-activity-of-the-antidepressant-agomelatine
#4
Andrea Carlo Rossetti, Maria Serena Paladini, Giorgio Racagni, Marco Andrea Riva, Annamaria Cattaneo, Raffaella Molteni
OBJECTIVES: Several studies reported that antidepressant drugs have immune-regulatory effects by acting on specific inflammatory mediators. However, considering the highly complex nature of the inflammatory response, we have adopted an unbiased genome-wide strategy to investigate the immune-regulatory activity of the antidepressant agomelatine in modulating the response to an acute inflammatory challenge. METHODS: Microarray analysis was used to identify genes modulated in the ventral hippocampus of adult rats chronically treated with agomelatine (40 mg/kg, os) before being challenged with a single injection of lipopolysaccharide (LPS; 250 μg/kg, i...
March 24, 2017: World Journal of Biological Psychiatry
https://www.readbyqxmd.com/read/28323284/altered-peripheral-immune-profiles-in-treatment-resistant-depression-response-to-ketamine-and-prediction-of-treatment-outcome
#5
D D Kiraly, S R Horn, N T Van Dam, S Costi, J Schwartz, S Kim-Schulze, M Patel, G E Hodes, S J Russo, M Merad, D V Iosifescu, D S Charney, J W Murrough
A subset of patients with depression have elevated levels of inflammatory cytokines, and some studies demonstrate interaction between inflammatory factors and treatment outcome. However, most studies focus on only a narrow subset of factors in a patient sample. In the current study, we analyzed broad immune profiles in blood from patients with treatment-resistant depression (TRD) at baseline and following treatment with the glutamate modulator ketamine. Serum was analyzed from 26 healthy control and 33 actively depressed TRD patients free of antidepressant medication, and matched for age, sex and body mass index...
March 21, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28263824/suppressive-immunoregulatory-effects-of-three-antidepressants-via-inhibition-of-the-nuclear-factor-%C3%AE%C2%BAb-activation-assessed-using-primary-macrophages-of-carp-cyprinus-carpio
#6
Wenhui Qiu, Minghong Wu, Shuai Liu, Bei Chen, Chenyuan Pan, Ming Yang, Ke-Jian Wang
Antidepressants, having been applied for the treatment of major depressive disorder and other conditions for decades, are among the most commonly detected human pharmaceuticals in the aquatic environment. This study evaluated the immunotoxicity of acute exposure to environmentally relevant concentrations of amitriptyline, fluoxetine and mianserin using an in vitro primary macrophage model isolated from red common carp (Cyprinus carpio), and also explored their potential mechanisms of action. A potential suppressive immunoregulatory effect of antidepressant exposure was suggested based on the observed suppressive effects on oxidative stress parameters, bactericidal activity, NO production, and NO synthase activity, as well as pro-inflammatory cytokine gene expression, and a significant stimulatory effect on anti-inflammatory interleukin-10 and interferon cytokine gene expression and ATPase activities in macrophages after 6h-exposure to three individual antidepressants and a combination thereof...
May 1, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28242013/targeting-the-microbiota-gut-brain-axis-prebiotics-have-anxiolytic-and-antidepressant-like-effects-and-reverse-the-impact-of-chronic-stress-in-mice
#7
Aurelijus Burokas, Silvia Arboleya, Rachel D Moloney, Veronica L Peterson, Kiera Murphy, Gerard Clarke, Catherine Stanton, Timothy G Dinan, John F Cryan
BACKGROUND: The realization that the microbiota-gut-brain axis plays a critical role in health and disease, including neuropsychiatric disorders, is rapidly advancing. Nurturing a beneficial gut microbiome with prebiotics, such as fructo-oligosaccharides (FOS) and galacto-oligosaccharides (GOS), is an appealing but underinvestigated microbiota manipulation. Here we tested whether chronic prebiotic treatment modifies behavior across domains relevant to anxiety, depression, cognition, stress response, and social behavior...
February 24, 2017: Biological Psychiatry
https://www.readbyqxmd.com/read/28236848/the-fibrinolytic-system-a-new-target-for-treatment-of-depression-with-psychedelics
#8
R D Idell, G Florova, A A Komissarov, S Shetty, R B S Girard, S Idell
Current understanding of the neurobiology of depression has grown over the past few years beyond the traditional monoamine theory of depression to include chronic stress, inflammation and disrupted synaptic plasticity. Tissue plasminogen activator (tPA) is a key factor that not only promotes fibrinolysis via the activation of plasminogen, but also contributes to regulation of synaptic plasticity and neurogenesis through plasmin-mediated activation of a probrain derived neurotrophic factor (BDNF) to mature BDNF...
March 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28213267/ferulic-acid-inhibits-neuro-inflammation-in-mice-exposed-to-chronic-unpredictable-mild-stress
#9
Ya-Min Liu, Ji-Duo Shen, Li-Ping Xu, Han-Bing Li, Yu-Cheng Li, Li-Tao Yi
Ferulic acid is a hydroxycinnamic acid that widely presents in plant cell wall components. It has been demonstrated that ferulic acid can attenuate depressive-like behaviors in both forced swimming test and tail suspension test. Considering that depression is an inflammatory related mental disease, our present study was aimed to investigate the role of ferulic acid in the regulation of microglia activation, pro-inflammatory cytokines, nuclear factor kappa B (NF-κB) and nucleotide binding and oligomerization domain-like receptor family pyrin domain-containing 3 (NLRP3) inflammasome in mice exposed to chronic unpredictable mild stress (CUMS)...
February 14, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28178592/sertraline-and-venlafaxine-improves-motor-performance-and-neurobehavioral-deficit-in-quinolinic-acid-induced-huntington-s-like-symptoms-in-rats-possible-neurotransmitters-modulation
#10
Jaskamal Singh Gill, Sumit Jamwal, Puneet Kumar, Rahul Deshmukh
BACKGROUND: Huntington Disease is autosomal, fatal and progressive neurodegenerative disorder for which clinically available drugs offer only symptomatic relief. Emerging strides have indicated that antidepressants improve motor performance, restore neurotransmitters level, ameliorates striatal atrophy, increases BDNF level and may enhance neurogenesis. Therefore, we investigated sertraline and venlafaxine, clinically available drugs for depression with numerous neuroprotective properties, for their beneficial effects, if any, in quinolinic acid induced Huntington's like symptoms in rats...
April 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28112061/inflammation-and-depression-a-causal-or-coincidental-link-to-the-pathophysiology
#11
Brian E Leonard
This review summarises the evidence that chronic low grade inflammation triggers changes that contribute to the mental and physical ill health of patients with major depression. Inflammation, and the activation of the hypothalamic pituitary axis by stress, are normal components of the stress response but when stress is prolonged and the endocrine and immune system become chronic resulting in the activation of the peripheral macrophages, the central microglia and hypercortisolemia, the neuronal networks are damaged and become dysfunctional...
January 23, 2017: Acta Neuropsychiatrica
https://www.readbyqxmd.com/read/28093554/tumour-necrosis-factor-mediated-homeostatic-synaptic-plasticity-in-behavioural-models-testing-a-role-in-maternal-immune-activation
#12
Sarah C Konefal, David Stellwagen
The proinflammatory cytokine tumour necrosis factor-alpha (TNFα) has long been characterized for its role in the innate immune system, but more recently has been found to have a distinct role in the nervous system that does not overlap with other proinflammatory cytokines. Through regulation of neuronal glutamate and GABA receptor trafficking, TNF mediates a homeostatic form of synaptic plasticity, but plays no direct role in Hebbian forms of plasticity. As yet, there is no evidence to suggest that this adaptive plasticity plays a significant role in normal development, but it does maintain neuronal circuit function in the face of several types of disruption...
March 5, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28081469/anti-osteoporotic-effects-of-an-antidepressant-tianeptine-on-ovariectomized-rats
#13
Osama A Alkhamees, Abdulaziz S Al-Roujayee, Hatem M Abuohashish, Mohammed M Ahmed
In the current investigation, the potential alleviating effects of tianeptine against bone loss induced in ovariectomized (OVX) rats was determined. Two weeks following a bilateral ovariectomy operation, tianeptine treatment (12.5 and 25mg/kg/twice/d) was initiated and continued for twenty-eight consecutive days. Changes in serum and urinary bone turnover biomarkers and osteoclastogenesis-inducing factors were estimated. The femoral bone mineral content was estimated using inductively-coupled-plasma mass spectrometry...
March 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28068788/a-double-blind-randomized-placebo-controlled-trial-of-lactobacillus-helveticus-and-bifidobacterium-longum-for-the-symptoms-of-depression
#14
Amy R Romijn, Julia J Rucklidge, Roeline G Kuijer, Chris Frampton
OBJECTIVES: This trial investigated whether probiotics improved mood, stress and anxiety in a sample selected for low mood. We also tested whether the presence or severity of irritable bowel syndrome symptoms, and levels of proinflammatory cytokines, brain-derived neurotrophic factor and other blood markers, would predict or impact treatment response. METHOD: Seventy-nine participants (10 dropouts) not currently taking psychotropic medications with at least moderate scores on self-report mood measures were randomly allocated to receive either a probiotic preparation (containing Lactobacillus helveticus and Bifidobacterium longum) or a matched placebo, in a double-blind trial for 8 weeks...
January 1, 2017: Australian and New Zealand Journal of Psychiatry
https://www.readbyqxmd.com/read/28058465/fish-oil-supplementation-attenuates-neuroinflammation-and-alleviates-depressive-like-behavior-in-rats-submitted-to-repeated-lipopolysaccharide
#15
Ruili Dang, Xueyuan Zhou, Mimi Tang, Pengfei Xu, Xiaoxue Gong, Yuanyuan Liu, Hongxiao Jiao, Pei Jiang
PURPOSE: Depression is frequently associated with inflammation, whereas omega-3 polyunsaturated fatty acids (PUFAs) primarily found in fish oil possess anti-inflammatory properties. Although converging studies suggest an antidepressant effect of PUFAs, there is limited evidence directly linking the neuro-immune modulating features of PUFAs to the antidepressant actions. METHODS: Therefore, we assessed the effects of fish oil (FO) supplementation on behavioral changes, inflammatory cytokine expression and oxidative reactions in frontal cortex and hippocampus of rats following repeated peripheral immune challenge by lipopolysaccharide (LPS) for 2 weeks (500 μg/kg every other day)...
January 5, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28045892/cyclobenzaprine-raises-ros-levels-in-leishmania-infantum-and-reduces-parasite-burden-in-infected-mice
#16
Edézio Ferreira Cunha-Júnior, Valter Viana Andrade-Neto, Marta Lopes Lima, Thais Alves da Costa-Silva, Andres J Galisteo Junior, Maria A Abengózar, Coral Barbas, Luis Rivas, Elmo Eduardo Almeida-Amaral, Andre Gustavo Tempone, Eduardo Caio Torres-Santos
BACKGROUND: The leishmanicidal action of tricyclic antidepressants has been studied and evidences have pointed that their action is linked to inhibition of trypanothione reductase, a key enzyme in the redox metabolism of pathogenic trypanosomes. Cyclobenzaprine (CBP) is a tricyclic structurally related to the antidepressant amitriptyline, differing only by the presence of a double bond in the central ring. This paper describes the effect of CBP in experimental visceral leishmaniasis, its inhibitory effect in trypanothione reductase and the potential immunomodulatory activity...
January 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28038393/managing-epilepsy-associated-depression-serotonin-enhancers-or-serotonin-producers
#17
REVIEW
Tanveer Singh, Rajesh Kumar Goel
Depression is one of the major psychiatric comorbidities having a major impact on the quality of life in people with epilepsy (PWE). Selective serotonin reuptake inhibitors (SSRIs) are considered as safest therapy for the treatment of depression in PWE. Although administration of SSRIs increases the synaptic serotonin levels, it decreases the overall serotonin synthesis in the brain. Long-term therapy with SSRIs has been reported to decrease serotonin synthesis, which may be the possible reason for lessening of their antidepressant effect over time as well as elevated seizure outcomes observed in PWE...
January 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28030814/paeoniflorin-ameliorates-interferon-alpha-induced-neuroinflammation-and-depressive-like-behaviors-in-mice
#18
Jianwei Li, Shaohui Huang, Weiliang Huang, Wanshan Wang, Ge Wen, Lei Gao, Xiuqiong Fu, Mengmeng Wang, Weihai Liang, Hiu Yee Kwan, Xiaoshan Zhao, Zhiping Lv
Long-term treatment with high-dose Interferon-alpha (IFN-α) has resulted in depression in 30-50% of the patients. Paeoniflorin may ameliorate the IFN-α-induced depression; however, the underlying mechanism is less studied. Here, we investigated the prophylactic antidepressant and anti-neuroinflammatory effects of paeoniflorin on the behaviors and specific emotion-related regions of the brain in mice with IFN-α-induced depression. A series of behavior assessments were conducted to identify the depressive state after subcutaneously IFN-α injections and with or without intragastrically paeoniflorin administration in C57BL/6J mice...
January 31, 2017: Oncotarget
https://www.readbyqxmd.com/read/28017641/wy-14643-a-selective-agonist-of-peroxisome-proliferator-activated-receptor-%C3%AE-ameliorates-lipopolysaccharide-induced-depressive-like-behaviors-by-preventing-neuroinflammation-and-oxido-nitrosative-stress-in-mice
#19
Rongrong Yang, Peng Wang, Zhuo Chen, Wenfeng Hu, Yu Gong, Wei Zhang, Chao Huang
Depression is a common disease that afflicts one in six people at some points in life. Numerous hypotheses have been raised in past years, but the exact mechanism that can be used to explain the development of depression remains obscure. Recently, more and more attentions are being focused on neuroinflammation and oxidative stress in depression. WY-14643, an agonist of peroxisome proliferator-activated receptor-α (PPAR-α), has been reported to inhibit neuroinflammation and oxidative stress, and one of our previous studies have showed that WY-14643 possesses antidepressive activities...
February 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/27992767/changes-in-cytokine-and-chemokine-expression-distinguish-dysthymic-disorder-from-major-depression-and-healthy-controls
#20
Pei-Shen Ho, Che-Hung Yen, Chun-Yen Chen, San-Yuan Huang, Chih-Sung Liang
An important area of uncertainty is the inflammatory degree to which depression occurring as part of dysthymic disorder may differ from major depression. Using a 27-plex cytokine assay, we analyzed the serum of 12 patients with dysthymic disorder, 12 with major depression, and an age-, sex-, and body mass index-matched control group of 20 healthy volunteers. We observed that patients with dysthymic disorder exhibited aberrant cytokine and chemokine expression compared with healthy controls and patients with major depression...
December 13, 2016: Psychiatry Research
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