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Inflammatory mechanisms depression

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https://www.readbyqxmd.com/read/29244233/inadequate-brain-glycogen-or-sleep-increases-spreading-depression-susceptibility
#1
Kivilcim Kilic, Hulya Karatas, Buket Donmez-Demir, Emine Eren-Kocak, Yasemin Gursoy-Ozdemir, Alp Can, Jean-Marie Petit, Pierre J Magistretti, Turgay Dalkara
OBJECTIVE: Glycogen in astrocyte endfeet contributes to maintenance of low extracellular glutamate and K+ concentrations around synapses. Sleep deprivation (SD), a common migraine trigger induces transcriptional changes in astrocytes reducing glycogen breakdown. We hypothesize that when glycogen utilization cannot match synaptic energy demand, extracellular K+ can rise to levels that activate neuronal pannexin-1 channels and downstream inflammatory pathway, which might be one of the mechanisms initiating migraine headaches...
December 15, 2017: Annals of Neurology
https://www.readbyqxmd.com/read/29239284/maternal-obesity-and-excessive-maternal-weight-gain-during-pregnancy-effects-on-outcomes-after-neonatal-cardiac-surgical-procedures
#2
Rocky Tsang, Pamela Hilvers, Philip J Lupo, Ronald Bronicki, Dean McKenzie, Paul A Checchia
Introduction Maternal obesity is associated with an increased risk for adverse perinatal outcomes. Obesity is also associated with a chronic inflammatory state and metabolic derangements that affect the newborn. The additional use of cardiopulmonary bypass during the neonatal period could impact the systemic inflammatory response in the immediate postoperative period that manifests as cardiac depression and multi-organ dysfunction. This study aimed to determine the association of maternal obesity and excessive weight gain during pregnancy with the immediate postoperative morbidity of neonatal patients undergoing cardiopulmonary bypass...
December 14, 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/29234405/qingchang-wenzhong-decoction-attenuates-dss-induced-colitis-in-rats-by-reducing-inflammation-and-improving-intestinal-barrier-function-via-upregulating-the-msp-ron-signalling-pathway
#3
Tangyou Mao, Junxiang Li, Lijuan Liu, Weihan Zhao, Yuyue Liu, Kangli Gao, Yi Guo, Tianhong Xie, Ningfei Li, Rui Shi
Ulcerative colitis (UC) is a chronic, nonspecific, inflammatory disease for which an effective treatment is lacking. Our previous study found that Qingchang Wenzhong Decoction (QCWZD) can significantly improve the clinical symptoms of UC and ameliorate dextran sulphate sodium- (DSS-) induced ulcerative colitis in rats by downregulating the IP10/CXCR3 axis-mediated inflammatory response. The purpose of the present study was to further explore the mechanism of QCWZD for UC in rats models, which were established by 7-day administration of 4...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/29225332/effects-of-acute-systemic-inflammation-on-the-interplay-between-sad-mood-and-affective-cognition
#4
REVIEW
Sven Benson, Alexandra Brinkhoff, Larissa Lueg, Till Roderigo, Andreas Kribben, Benjamin Wilde, Oliver Witzke, Harald Engler, Manfred Schedlowski, Sigrid Elsenbruch
Experimental endotoxemia is a translational model to study inflammatory mechanisms involved in the pathophysiology of mood disorders including depression. Disturbed affective cognition constitutes a core aspect in depression, but has never been studied in the context of inflammation. We combined experimental endotoxemia with an established experimental mood induction procedure to assess the interaction between acute inflammation and sad mood and their effects on affective cognition. In this randomized cross-over study, N = 15 healthy males received endotoxin (0...
December 11, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/29217190/the-down-regulation-of-cardiac-contractile-proteins-underlies-myocardial-depression-during-sepsis-and-is-mitigated-by-carbon-monoxide
#5
Kana Unuma, Toshihiko Aki, Suguru Nagano, Ryo Watanabe, Koichi Uemura
The aim of this study is to investigate the mechanism underling cardiac dysfunction during sepsis, as well as the possible amelioration of this dysfunction by exogenous carbon monoxide (CO) administration. For this purpose, rats (six-week-old, male, Sprague-Dawley) were administered LPS (15 mg/kg body weight, i.p. 6 h) and/or CORM (30 mg/kg, i.p.). The decreased left ventricular ejection fraction (EF) observed in LPS group rats was recovered in the LSP + CORM group, confirming the protective role of CO against sepsis-induced myocardial depression...
December 5, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29217173/7-fluoro-1-3-diphenylisoquinoline-reverses-motor-and-non-motor-symptoms-induced-by-mptp-in-mice-role-of-striatal-neuroinflammation
#6
Tuane Bazanella Sampaio, Marcel Henrique Marcondes Sari, Ana Paula Pesarico, Anderson Carboni Mantovani, Gilson Zeni, Cristina Wayne Nogueira
Parkinson's disease (PD) is a dopaminergic neurodegenerative disorder, which presents motor and non-motor symptoms.7-Fluoro-1,3-diphenylisoquinoline (FDPI) is an isoquinoline compound with antioxidant and antidepressant properties. This study investigated whether FDPI reverses motor and non-motor symptoms in an acute mouse model of PD induced by 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP). It was also assessed the anti-inflammatory mechanisms in FDPI pharmacological action. C57Bl/6 male adult mice received four MPTP (20mg/kg, intraperitoneal) or saline (vehicle) injections to induce an acute PD model...
December 4, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29215318/therapeutic-potential-of-silymarin-in-chronic-unpredictable-mild-stress-induced-depressive-like-behavior-in-mice
#7
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/29199140/physiological-functions-of-non-apoptotic-caspase-activity-in-the-nervous-system
#8
REVIEW
Emilie Hollville, Mohanish Deshmukh
Caspases are cysteine proteases that play important and well-defined roles in apoptosis and inflammation. Increasing evidence point to alternative functions of caspases where restricted and localized caspase activation within neurons allows for a variety of non-apoptotic and non-inflammatory processes required for brain development and function. In this review, we highlight sublethal caspase functions in axon and dendrite pruning, neurite outgrowth and dendrite branches formation, as well as in long-term depression and synaptic plasticity...
November 30, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/29195684/mice-lacking-interleukin-18-gene-display-behavioral-changes-in-animal-models-of-psychiatric-disorders-possible-involvement-of-immunological-mechanisms
#9
S F Lisboa, A C Issy, C Biojone, K Montezuma, V Fattori, E A Del-Bel, F S Guimarães, F Q Cunha, W A Verri, S R L Joca
Preclinical and clinical evidence suggests pro-inflammatory cytokines might play an important role in the neurobiology of schizophrenia and stress-related psychiatric disorders. Interleukin-18 (IL-18) is a member of the IL-1 family of cytokines and it is widely expressed in brain regions involved in emotional regulation. Since IL-18 involvement in the neurobiology of mental illnesses, including schizophrenia, remains unknown, this work aimed at investigating the behavior of IL-18 null mice (KO) in different preclinical models: 1...
November 10, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/29179493/sphingosine-kinase-1-mediates-diabetic-renal-fibrosis-via-nf-%C3%AE%C2%BAb-signaling-pathway-involvement-of-ck2%C3%AE
#10
Junying Huang, Jingyan Li, Zhiquan Chen, Jie Li, Qiuhong Chen, Wenyan Gong, Peiqing Liu, Heqing Huang
Sphingosine kinase 1 (SphK1) plays a pivotal role in regulating diabetic renal fibrotic factors such as fibronectin (FN) and intercellular adhesion molecule-1 (ICAM-1). Especially, activation of SphK1 is closely linked to the body inflammatory reaction. Casein kinase 2α subunit (CK2α), a protein kinase related to inflammatory reaction, influences diabetic renal fibrosis and expressions of FN and ICAM-1 via NF-κB pathway. However, the mechanism by which SphK1 mediates diabetic renal fibrosis has not yet fully elucidated...
October 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/29178009/gap-junction-channels-as-potential-targets-for-the-treatment-of-major-depressive-disorder
#11
REVIEW
Qian Ren, Zhen-Zhen Wang, Shi-Feng Chu, Cong-Yuan Xia, Nai-Hong Chen
BACKGROUND: Major depressive disorder (MDD) remains a major public health problem worldwide. The association between MDD and the dysfunction of gap junction channels (GJCs) in glial cells, especially astrocytes, is still controversial. OBJECTIVE: This review provides an overview of the role of astrocyte GJCs in LMDD. RESULTS: Exposure to chronic unpredictable stress caused a reduction in connexin expression in the rat prefrontal cortex, a result that is consistent with clinical findings reported in postmortem studies of brains from MDD patients...
November 25, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/29176959/gender-specific-relationship-between-obesity-and-major-depression
#12
Li Li, Barbara A Gower, Richard C Shelton, Xiaoyan Wu
Objective: Prior research suggests a bidirectional relationship between obesity and major depressive disorder (MDD), but the results have been heterogeneous. Differences between males and females in the association of MDD with obesity may contribute to inconsistent results. Thus, this study was designed to determine whether sex has a differential effect on the relationship between MDD and obesity, and to explore the potential mechanisms. Methods: All participants were diagnosed with MDD, and depression severity was measured using the 17-item Hamilton Depression Rating Scale...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29145524/tumor-necrosis-factor-alpha-signaling-in-trigeminal-ganglion-contributes-to-mechanical-hypersensitivity-in-masseter-muscle-during-temporomandibular-joint-inflammation
#13
Reio Ito, Masamichi Shinoda, Kuniya Honda, Kentaro Urata, Jun Lee, Mitsuru Maruno, Kumi Soma, Shinji Okada, Nobuhito Gionhaku, Koichi Iwata
AIMS: To determine the involvement of tumor necrosis factor alpha (TNFα) signaling in the trigeminal ganglion (TG) in the mechanical hypersensitivity of the masseter muscle during temporomandibular joint (TMJ) inflammation. METHODS: A total of 55 male Sprague-Dawley rats were used. Following injection of Complete Freund's Adjuvant into the TMJ, the mechanical sensitivities of the masseter muscle and the overlying facial skin were measured. Satellite glial cell (SGC) activation and TNFα expression in the TG were investigated immunohistochemically, and the effects of their inhibition on the mechanical hypersensitivity of the masseter muscle were also examined...
November 16, 2017: Journal of Oral & Facial Pain and Headache
https://www.readbyqxmd.com/read/29138567/resveratrol-ameliorates-chronic-unpredictable-mild-stress-induced-depression-like-behavior-involvement-of-the-hpa-axis-inflammatory-markers-bdnf-and-wnt-%C3%AE-catenin-pathway-in-rats
#14
Xin-Hua Yang, Su-Qi Song, Yun Xu
Classic antidepressant drugs are modestly effective across the population and most are associated with intolerable side effects. Recently, numerous lines of evidence suggest that resveratrol (RES), a natural polyphenol, possesses beneficial therapeutic activity for depression. The aim of the present study was to explore whether RES exhibits an antidepressant-like effect in a depression model and to explore the possible mechanism. A depression model was established via chronic unpredictable mild stress (CUMS), after which the model rats in the RES and fluoxetine groups received a daily injection of RES or fluoxetine, respectively...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/29135887/ischemia-reperfusion-injury-in-aged-livers-the-energy-metabolism-inflammatory-response-and-autophagy
#15
Chunyi Kan, Luisa Ungelenk, Amelie Lupp, Olaf Dirsch, Uta Dahmen
Due to the lack of adequate organs, the number of patients with end-stage liver diseases, acute liver failure or hepatic malignancies waiting for liver transplantation is constantly increasing. Accepting aged liver grafts is one of the strategies expanding the donor pool to ease the discrepancy between the growing demand and the limited supply of donor organs. However, recipients of organs from old donors may show an increased post-transplantation morbidity and mortality due to enhanced ischemia reperfusion injury...
November 11, 2017: Transplantation
https://www.readbyqxmd.com/read/29133955/chemokines-in-depression-in-health-and-in-inflammatory-illness-a-systematic-review-and-meta-analysis
#16
REVIEW
S P Leighton, L Nerurkar, R Krishnadas, C Johnman, G J Graham, J Cavanagh
Inflammatory illness is associated with depression. Preclinical work has shown that chemokines are linked with peripheral-central crosstalk and may be important in mediating depressive behaviours. We sought to establish what evidence exists that differences in blood or cerebrospinal fluid chemokine concentration discriminate between individuals with depression and those without. Following PRISMA guidelines, we systematically searched Embase, PsycINFO and Medline databases. We included participants with physical illness for subgroup analysis, and excluded participants with comorbid psychiatric diagnoses...
November 14, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/29129800/saikosaponin-d-mediated-downregulation-of-neurogenesis-results-in-cognitive-dysfunction-by-inhibiting-akt-foxg-1-pathwayin-mice
#17
Xu Lixing, Ji Zhouye, Guo Liting, Zhang Ruyi, Qu Rong, Ma Shiping
Saikosaponin-d (SSd), one of the main constituents of the total saikosaponins extracted from Bupleurum falcatum L, possesses anti-inflammatory and anti-apoptosis effect. Recently, SSd was proved to improve depressive symptoms although exhibit hepatotoxicity in animals, but the central nervous system (CNS) toxicity of SSd remains unclear. The present study investigated the SSd-induced impairment in hippocampal cognitive function and explored the possible mechanisms involved. After intragastric administration of SSd (4mg/kg, 8mg/kg) for 7 days, the learning and memory abilities of mice were evaluated by behavioral experiments...
November 9, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/29129602/standardized-fraction-of-xylocarpus-moluccensis-fruits-improve-vascular-relaxation-and-plaque-stability-in-dyslipidemic-models-of-atherosclerosis
#18
Jitendra S Kanshana, Sanjay C Rebello, Priya Pathak, Babu Nageswararao Kanuri, Hobby Aggarwal, Vasundhara Srivastava, Vivek Khanna, Vishal Singh, Kumaravelu Jagavelu, Manoj K Barthwal, Madhu Dikshit
ETHNOPHARMACOLOGICAL RELEVANCE: Xylocarpus moluccensis (Lamk.) M. Roem of family Meliaceae has triterpenoids rich fruits. Triterpenoids have been known to possess cardioprotection and anti-atherosclerotic activities (Han and Bakovic, 2015; Wu et al., 2009). Standardized fraction of these fruits exhibited anti-dyslipidemic (Srivastava et al., 2015), anti-inflammatory (Ravangpai et al., 2011) and CNS depressant activity (Sarker et al., 2007). However, there is no report in the literature on its cardiovascular effects...
November 10, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29128343/post-stroke-depression-mechanisms-and-pharmacological-treatment
#19
REVIEW
Roberto Federico Villa, Federica Ferrari, Antonio Moretti
Depression, the most frequent psychiatric disorder following ischaemic stroke, negatively affects survivals' functional outcome, response to rehabilitation and quality of life. Approximately, one-third of them are affected by post-stroke depression (PSD), making it a serious social and public health problem and anti-depressant preventive and curative therapies worth investigating. However, a two-way association between depression and stroke has been also established: stroke increases the risk of PSD, but depression is an independent risk factor for stroke...
November 9, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29126988/morinda-officinalis-how-a-comprehensive-review-of-traditional-uses-phytochemistry-and-pharmacology
#20
REVIEW
Jian-Hua Zhang, Hai-Liang Xin, Yue-Ming Xu, Yi Shen, Yu-Qiong He, Hsien-Yeh, Bing Lin, Hong-Tao Song, Juan-Liu, Hai-Yue Yang, Lu-Ping Qin, Qiao-Yan Zhang, Juan Du
ETHNOPHARMACOLOGICAL RELEVANCE: The medicinal plant Morinda officinalisHow. (MO) and its root have long been used in traditional medicines in China and northeast Asia as tonics for nourishing the kidney, strengthening the bone and enhancing immunofunction in the treatment of impotence, osteoporosis, depression and inflammatory diseases such as rheumatoid arthritis and dermatitis. AIM OF THE REVIEW: This review aims to sum up updated and comprehensive information about traditional usage, phytochemistry, pharmacology and toxicology of MO and provide insights intopotential opportunities for future research and development of this plant...
November 7, 2017: Journal of Ethnopharmacology
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