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https://www.readbyqxmd.com/read/29458118/neuroprotective-effect-of-melatonin-against-lipopolysaccharide-induced-depressive-like-behavior-in-mice
#1
E H Taniguti, Y S Ferreira, I J V Stupp, E B Fraga-Junior, C B Mendonça, F L Rossi, H N Ynoue, D L Doneda, L Lopes, E Lima, Z S Buss, S Vandresen-Filho
Accumulating evidence indicates an interaction between inflammation and depression since increased levels of pro-inflammatory cytokines are associated with depression-related symptoms. Melatonin is a hormone synthesized and secreted by the pineal gland with antioxidant, anti-inflammatory and antidepressant-like effects. In this way, it would be interesting to evaluate the putative antidepressant-like effect of melatonin treatment in an acute inflammation mice model of depression. The present study aimed to investigate the effect of melatonin treatment on lipopolysaccharide (LPS) induced depressive-like behavior, neuroinflammation, oxidative stress and alteration on brain-derived neurotrophic fator (BDNF) levels...
February 16, 2018: Physiology & Behavior
https://www.readbyqxmd.com/read/29458014/topical-delivery-of-l-theanine-ameliorates-tpa-induced-acute-skin-inflammation-via-downregulating-endothelial-pecam-1-and-neutrophil-infiltration-and-activation
#2
Wei-Jie Zeng, Zhi Tan, Xing-Fei Lai, Ya-Nan Xu, Chun-Lin Mai, Jun Zhang, Zhen-Jia Lin, Xian-Guo Liu, Shi-Li Sun, Li-Jun Zhou
l-theanine, the most abundant free amino acid in tea, has been documented to possess many different bioactive properties through oral or intragastrical delivery. However, little is known about the effect of topical delivery of l-theanine on acute inflammation. In the present study, by using 12-O-tetradecanoylphorbol-13-acetate (TPA, 2.5 μg/ear)-induced ear edema model in mice, we first found that single-dose local pretreatment of l-theanine 30 min before TPA time- and dose-dependently suppressed the increases in both skin thickness and weight...
February 16, 2018: Chemico-biological Interactions
https://www.readbyqxmd.com/read/29457302/innate-lymphoid-cells-at-the-human-maternal-fetal-interface-in-spontaneous-preterm-labor
#3
Yi Xu, Roberto Romero, Derek Miller, Pablo Silva, Bogdan Panaitescu, Kevin R Theis, Afrah Arif, Sonia S Hassan, Nardhy Gomez-Lopez
PROBLEM: Pathological inflammation is causally linked to preterm labor and birth, the leading cause of neonatal morbidity and mortality worldwide. Our aims were to investigate whether (i) the newly described family of innate lymphoid cells (ILCs) was present at the human maternal-fetal interface and (ii) ILC inflammatory subsets were associated with the pathological process of preterm labor. METHODS OF STUDY: Decidual leukocytes were isolated from women with preterm or term labor as well as from gestational age-matched non-labor controls...
February 19, 2018: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/29456813/evaluation-of-tnf-%C3%AE-and-il-6-mrnas-expressions-in-visceral-and-subcutaneous-adipose-tissues-of-polycystic-ovarian-rats-and-effects-of-resveratrol
#4
Mahnaz Ghowsi, Homayoun Khazali, Sajjad Sisakhtnezhad
Objectives: Some studies suggest that chronic low-grade inflammation is involved in insulin resistance in polycystic ovary syndrome (PCOS). This study assessed possible involvement of alteration in expression of two pro-inflammatory factors, tumor necrosis factor-α (TNF-α) and interleukin-6 (IL-6) in adipose tissues of PCOS rats in the impairment of insulin actions. Also, effects of resveratrol as an anti-inflammatory agent were investigated. Materials and Methods: Fifteen female Wistar rats (21 days old) were divided into three groups (n=5): I) Control, II) PCO-model-saline: served as PCOS rats and to induce PCOS, received subcutaneously testosterone enanthate 1 mg/100 g body weight subcutaneously for 35 days, III) PCO-model-resveratrol, after receiving testosterone, received resveratrol 10 mg/kg intraperitoneally for 28 days...
February 2018: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/29456686/biochanin-a-extirpates-the-epithelial-mesenchymal-transition-in-a-human-lung-cancer
#5
Yan Wang, Jiao-Jiao Li, Yu-Min Chen
The natural iso-flavonoid, biochanin A, is categorized as a phytoestrogen and has been demonstrated to exhibit various pharmacological properties. However, no effects of biochanin A on lung cancer cell lines have been reported. Therefore, the present study aimed to demonstrate whether biochanin A has the ability to reduce lung cancer triggered pro-inflammatory effects from leukemic monocytes. We studied the release of cytokines, tumor necrosis factor (TNF)-α and interleukin (IL)-6, from the cocultured cells of A427:AML-193...
March 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29456676/-cordyceps-sinensis-inhibits-airway-remodeling-in-rats-with-chronic-obstructive-pulmonary-disease
#6
Lei Yang, Xingai Jiao, Jinxiang Wu, Jiping Zhao, Tian Liu, Jianfeng Xu, Xiaohui Ma, Liuzao Cao, Lin Liu, Yahui Liu, Jingyu Chi, Minfang Zou, Shuo Li, Jiawei Xu, Liang Dong
Cordyceps sinensis is a traditional Chinese herbal medicine that has been used for centuries in Asia as a tonic to soothe the lung for the treatment of respiratory diseases. The aim of the present study was to determine the effects of C. sinensi s on airway remodeling in chronic obstructive pulmonary disease (COPD) and investigate the underlying molecular mechanisms. Rats with COPD were orally administered C. sinensis at low, moderate or high doses (2.5, 5 or 7.5 g/kg/day, respectively) for 12 weeks. Airway tissue histopathology, lung inflammation and airway remodeling were evaluated...
March 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29456674/inflammation-responses-in-patients-with-pulmonary-tuberculosis-in-an-intensive-care-unit
#7
Qiu-Yue Liu, Fen Han, Li-Ping Pan, Hong-Yan Jia, Qi Li, Zong-De Zhang
Pulmonary tuberculosis caused by Mycobacterium tuberculosis remains a global problem. Inflammatory responses are the primary characteristics of patients with pulmonary tuberculosis in intensive care units (ICU). The aim of the present study was to investigate the clinical importance of inflammatory cells and factors for patients with pulmonary tuberculosis in ICU. A total of 124 patients with pulmonary tuberculosis in ICU were recruited for the present study. The inflammatory responses in patients with pulmonary tuberculosis in ICU were examined by changes in inflammatory cells and factors in the serum...
March 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29456665/involvement-of-tweak-and-the-nf-%C3%AE%C2%BAb-signaling-pathway-in-lupus-nephritis
#8
Fang Sun, Jian Teng, Pengfei Yu, Wenshuang Li, Jing Chang, Honglei Xu
Previous findings have identified that tumor necrosis factor-related weak inducer of apoptosis (TWEAK) is associated with lupus nephritis (LN) activity status; however, the mechanism involved remains unclear. The present study aimed to investigate the roles of TWEAK and the nuclear factor (NF)-κB signaling pathway in LN. TWEAK levels in the blood and urine of patients with LN or non-LN systemic lupus erythematosus were measured by ELISA and compared with those in healthy controls. TWEAK expression and NF-κB transcriptional activity in the kidney were detected by western blotting, and Ki-67 and cluster of differentiation (CD) 68 expression were assessed using immunofluorescence...
March 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29456654/establishment-of-different-experimental-asthma-models-in-mice
#9
Qian-Lin Yu, Zhangbo Chen
Asthma is a complex disease. The heterogeneity of airway inflammation during asthma indicates there are different mechanisms involved. In order to further study the mechanisms of asthma, different mouse models were established to mimic corresponding subtypes of asthma in clinic. Eosinophilic asthma was established by intraperitoneal injections of ovalbumin (OVA) on day 0 and day 7, followed by inhalation of aerosolized OVA on days 14-17. Neutrophilic asthma was established by transtracheal administration of a high dose of lipopolysaccharide (LPS; 10 µg) on days 15 and 17 in combination with OVA sensitization and challenge as described previously...
March 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29456642/anti-semaphorin-7a-single-chain-antibody-demonstrates-beneficial-effects-on-pulmonary-inflammation-during-acute-lung-injury
#10
Xiao Chen, Hailing Wang, Kui Jia, Hao Wang, Tao Ren
Pulmonary inflammation is a primary characteristic of lung injury initiated by the accession of immune cells into the alveolar space. Neutrophil migration serves an important role in pulmonary inflammation mediated by the migration of neutrophils into hypoxic tissue sites. The elimination of pulmonary inflammation is directly associated with rehabilitation in patients with lung injury. Anti-inflammatory treatment is essential following lung injury and ultimately determines patient outcomes. Semaphorin-7A (SEMA-7A) is a member of the Semaphorin family that influences the migration of neutrophils into hypoxic tissue sites, thus promoting inflammation...
March 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29456540/kallikrein-kinin-system-suppresses-type-i-interferon-responses-a-novel-pathway-of-interferon-regulation
#11
Alecia Seliga, Michael Hweemoon Lee, Nicole C Fernandes, Viviana Zuluaga-Ramirez, Marta Didukh, Yuri Persidsky, Raghava Potula, Stefania Gallucci, Uma Sriram
The Kallikrein-Kinin System (KKS), comprised of kallikreins (klks), bradykinins (BKs) angiotensin-converting enzyme (ACE), and many other molecules, regulates a number of physiological processes, including inflammation, coagulation, angiogenesis, and control of blood pressure. In this report, we show that KKS regulates Type I IFN responses, thought to be important in lupus pathogenesis. We used CpG (TLR9 ligand), R848 (TLR7 ligand), or recombinant IFN-α to induce interferon-stimulated genes (ISGs) and proteins, and observed that this response was markedly diminished by BKs, klk1 (tissue kallikrein), or captopril (an ACE inhibitor)...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29456507/the-effects-of-vitamin-d-supplementation-on-signaling-pathway-of-inflammation-and-oxidative-stress-in-diabetic-hemodialysis-a-randomized-double-blind-placebo-controlled-trial
#12
Hamed Haddad Kashani, Elahe Seyed Hosseini, Hossein Nikzad, Alireza Soleimani, Maryam Soleimani, Mohammad Reza Tamadon, Fariba Keneshlou, Zatollah Asemi
Objective: This study was carried out to determine the effects of vitamin D supplementation on signaling pathway of inflammation and oxidative stress in diabetic hemodialysis (HD) patients. Methods: This randomized double-blind placebo-controlled clinical trial was conducted among 60 diabetic HD patients. Subjects were randomly allocated into two groups to intake either vitamin D supplements at a dosage of 50,000 IU ( n = 30) or placebo ( n = 30) every 2 weeks for 12 weeks. Gene expression of inflammatory cytokines and biomarkers of oxidative stress were assessed in peripheral blood mononuclear cells (PBMCs) of diabetic HD patients with RT-PCR method...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29456061/the-drosophila-cytokine-gbp-a-model-that-illuminates-the-yin-yang-of-inflammation-and-longevity-in-humans
#13
Stephen B Shears, Yoichi Hayakawa
Our laboratories have determined that the Drosophila cytokine, Growth-blocking peptide (GBP), mediates its biological effects through the Mthl10 G-protein coupled receptor. In this Cytokine Stimulus, we discuss the functional plasticity of the GBP/Mthl10 axis, and we propose that conserved components of this regulatory network may be relevant to human health.
February 15, 2018: Cytokine
https://www.readbyqxmd.com/read/29455574/immune-responsive-resolvin-d1-programs-myocardial-infarction-induced-cardiorenal-syndrome-in-heart-failure
#14
Ganesh V Halade, Vasundhara Kain, Charles N Serhan
Resolvins are innate, immune responsive, bioactive mediators generated after myocardial infarction (MI) to resolve inflammation. The MI-induced bidirectional interaction between progressive left ventricle (LV) remodeling and kidney dysfunction is known to advance cardiorenal syndrome (CRS). Whether resolvins limit MI-induced cardiorenal inflammation is unclear. Thus, to define the role of exogenous resolvin D (RvD)-1 in post-MI CRS, we subjected 8-12-wk-old male C57BL/6 mice to coronary artery ligation. RvD1 was injected 3 h after MI...
February 13, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29455535/antioxidative-nanoparticles-significantly-enhance-therapeutic-efficacy-of-an-antibacterial-therapy-against-listeria-monocytogenes-infection
#15
Yutaka Ikeda, Kazuhiro Shoji, Chitho P Feliciano, Shinji Saito, Yukio Nagasaki
Acute inflammatory conditions such as sepsis lead to fatal conditions, including multiple organ failure. However, currently no definite treatments are available against these conditions. Therefore, several treatments, such as steroidal anti-inflammatory drugs, protease inhibitors, anti-human TNF-α monoclonal antibodies, and continuous hemodiafiltration (CHDF), are currently being investigated in order to decrease the blood cytokine level, which increases remarkably. However, these treatments are not always reliable and effective, and none have drastically improved survival rates...
February 18, 2018: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/29455288/mycophenolate-mofetil-protects-septic-mice-via-the-dual-inhibition-of-inflammatory-cytokines-and-pd-1
#16
Shun-Wei Huang, Hao Chen, Mei-Ling Lu, Jin-Long Wang, Rong-Li Xie, Bing Zhao, Ying Chen, Zhi-Wei Xu, Jian Fei, En-Qiang Mao, Er-Zhen Chen
Due to the imbalance between hyper-inflammation and hypo-inflammation, which are characterized by excessive cytokine productions and programmed death 1 (PD-1) upregulation, respectively, sepsis remains a highly lethal inflammatory syndrome with limited effective therapies. Mycophenolate mofetil (MMF), an immunosuppressant, has been reported to attenuate various inflammatory diseases. However, the role of MMF in sepsis therapy remains to be elucidated. C57BL-6J mice underwent cecal ligation and puncture (CLP) and were treated either with or without MMF...
February 17, 2018: Inflammation
https://www.readbyqxmd.com/read/29455108/ureaplasma-isolates-differentially-modulate-growth-factors-and-cell-adhesion-molecules-in-human-neonatal-and-adult-monocytes
#17
Kirsten Glaser, Christine Silwedel, Ana Maria Waaga-Gasser, Birgit Henrich, Markus Fehrholz, Heike Claus, Christian P Speer
Generally regarded as commensal bacteria, the pathogenicity of Ureaplasma has often been considered low. Controversy remains concerning the clinical relevance of Ureaplasma infection in the pathogenesis of inflammation-related morbidities. Recently, we demonstrated Ureaplasma-driven pro-inflammatory cytokine responses in human monocytes in vitro. We hypothesized that Ureaplasma may induce further inflammatory mediators. Using qRT-PCR and multi-analyte immunoassay, we assessed the expression of granulocyte-colony stimulating factor (G-CSF), vascular endothelial growth factor (VEGF), intercellular adhesion molecule 1 (ICAM-1) and vascular cell adhesion molecule 1 (VCAM-1) in term neonatal and adult monocytes exposed to Ureaplasma urealyticum serovar 8 (Uu8) and U...
February 15, 2018: Cytokine
https://www.readbyqxmd.com/read/29454867/acellular-filtrate-of-a-microbial-based-cleaning-product-potentiates-house-dust-mite-allergic-lung-inflammation
#18
Azam F Tayabali, Yan Zhang, Jason H Fine, Don Caldwell, Martha Navarro
Microbial-based cleaning products (MBCPs) contain bacteria and chemical constituents. They are used in consumer applications such as odour reduction, unclogging drains, and surface cleaning. To determine the capacity of a model MBCP to contribute to acute allergic lung inflammation, a two-week repeated exposure regimen was used. Mice were exposed by endotracheal instillation to saline alone, MBCP alone, house dust mites (HDM) alone, or sequentially (i.e., MBCP followed by HDM, HDM followed by MBCP, or HDM + MBCP followed by HDM)...
February 15, 2018: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29454835/mast-cells-signal-their-importance-in-health-and-disease
#19
EDITORIAL
Ana Olivera, Michael A Beaven, Dean D Metcalfe
FcεRI is the primary receptor in mast cells that mediate allergic reactions by inducing rapid release of mediators, an adaptive immune response that may have evolved as a host defense against parasites and venoms. Yet, it is apparent that mast cells are also activated via non-IgE receptors whose significance is just beginning to be understood. This includes the Mas-related GPCRs (MRGPRX2) that may contribute to reactions to diverse antimicrobials and polybasic compounds, and ADGRE2, an adhesion GPCR which is activated by mechanical vibration and whose variants are associated with familial vibratory urticaria...
February 15, 2018: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29454797/alterations-in-intestinal-microbiota-lead-to-production-of-interleukin-17-by-intrahepatic-%C3%AE-%C3%AE-t-cell-receptor-positive-cells-and-pathogenesis-of-cholestatic-liver-disease
#20
Dana Tedesco, Manoj Thapa, Chui-Yoke Chin, Yong Ge, Minghao Gong, Jing Li, Sanjeev Gumber, Patrick Speck, Elizabeth J Elrod, Eileen M Burd, William H Kitchens, Joseph F Magliocca, Andrew B Adams, David S Weiss, Mansour Mohamadzadeh, Arash Grakoui
BACKGROUND & AIMS: Variants at the ATP binding cassette subfamily B member 4 gene (ABCB4 or MDR2) locus, which encodes a biliary transport protein, are associated with a spectrum of cholestatic liver diseases. Exacerbation of liver disease has been linked to increased hepatic levels of interleukin 17 (IL17), yet the mechanisms of this increase are not understood. We studied mice with disruption of Mdr2 to determine how defects in liver and alteration in the microbiota contribute to production of IL17 by intrahepatic γδ T cells...
February 15, 2018: Gastroenterology
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