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https://www.readbyqxmd.com/read/28429995/new-insights-into-the-role-of-dietary-spermine-on-inflammation-immune-function-and-related-signalling-molecules-in-the-thymus-and-spleen-of-piglets
#1
Wei Cao, Xianjian Wu, Gang Jia, Hua Zhao, Xiaoling Chen, Caimei Wu, Jiayong Tang, Jing Wang, Jingyi Cai, Guangmang Liu
This study aimed to determine the effects of dietary spermine supplementation on the inflammatory response and immune function of the thymus and spleen in piglets. Eighty suckling piglets were randomly assigned to receive adequate nutrients supplemented with spermine (0.4 mmol/kg body weight) or restricted nutrient intake supplemented with normal saline for 7 h or 3, 6 and 9 days in pairs. Regardless of treatment time, spermine supplementation decreased (p < 0.05, compared with the controls) the following: (1) tumour necrosis factor α (TNF-α), interleukin (IL)-1β, 2 and 6, and interferon (IFN)-γ levels in serum; (2) gene expression of cluster of differentiation 8 and integrin beta-2 in the thymus and spleen and the lymphocyte function-associated antigen 1 in the thymus; (3) mRNA levels of TNF-α, IL 1β, 2, 6, and 12, IFN-γ and inducible nitric oxide synthase in the thymus and spleen, as well as IL-8 in the spleen; and (4) eukaryotic IF4E-binding protein 1, Janus kinase 2, signal transducer and activator of transcription 3, and nuclear factor-kappa B P65 gene transcriptions in the thymus and spleen...
June 2017: Archives of Animal Nutrition
https://www.readbyqxmd.com/read/28429668/the-role-of-mitochondria-associated-reactive-oxygen-species-in-the-amyloid-%C3%AE-induced-production-of-angiogenic-factors-by-arpe-19-cells
#2
L Wu, X Tan, L Liang, H Yu, C Wang, D Zhang, A Kijlstra, P Yang
OBJECTIVE: This study aimed to investigate the mechanisms whereby Amyloid-beta (Aβ) induces the production of angiogenic factors by a human retinal pigment epithelial cell line (ARPE-19) cells. METHODS: ARPE-19 cells obtained from the American Type Culture Collection (ATCC) were utilized in this study. The expression level of vascular endothelial growth factor (VEGF), Interleukin-8 (IL-8), monocyte chemoattractant protein-1 (MCP-1) and complement activation fragments C3a and C5a were measured by Real-time quantitative PCR (RT-PCR) and Enzyme-linked immunosorbent assay (ELISA)...
March 31, 2017: Current Molecular Medicine
https://www.readbyqxmd.com/read/28420489/mast-cells-emerge-as-mediators-of-atherosclerosis-special-emphasis-on-il-37-inhibition
#3
REVIEW
Pio Conti, Gianfranco Lessiani, Spyridon K Kritas, Gianpaolo Ronconi, Aessandro Caraffa, Theoharis C Theoharides
In atherosclerosis lipoproteins stimulate the innate immune response, leading to the release of inflammatory cytokines and chemokines. Hypercholesterolemia may activate the synthesis and release of inflammatory cytokines such as IL-1, which induces TNF release in mast cells (MCs). IL-1 and IL-1 family members orchestrate a broadening list of inflammatory diseases, including atherosclerosis. MCs are implicated in the pathophysiology of several diseases including allergy and inflammation. Activated MCs, located perivascularly, contribute to inflammation in atherosclerosis by producing inflammatory cytokines...
April 12, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28420366/pirfenidone-attenuates-bleomycin-induced-pulmonary-fibrosis-in-mice-by-regulating-nrf2-bach1-equilibrium
#4
Yuan Liu, Fuai Lu, Lirong Kang, Zhihua Wang, Yongfu Wang
BACKGROUND: Oxidative stress is one of the important factors involved in the pathogenesis of idiopathic pulmonary fibrosis (IPF). The equilibrium of Nuclear factor-erythroid-related factor 2 (Nrf2)/[BTB (broad-complex, tramtrack and bric-a-brac) and CNC (cap'n'collar protein) homology 1, Bach1] determines the expression level of antioxidant factors, further regulating the function of oxidation/antioxidation capacity. Pirfenidone (PFD) is one of two currently for IPF therapy approved drugs...
April 18, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28412025/the-influence-of-chronic-il-6-exposure-in-vivo-on-rat-achilles-tendon-extracellular-matrix
#5
Mark S Katsma, Shivam H Patel, Erica Eldon, Kathryn A Corbell, Kevin L Shimkus, James D Fluckey, Chad C Carroll
When compared to placebo, acetaminophen (APAP) reduces tendon stiffness and collagen cross-linking. APAP also enhances the exercise-induced increase in peritendinous levels of IL-6. Elevated levels of IL-6 are associated with tendinopathy, thus we hypothesized that chronic, elevated peritendinous IL-6 would alter tendon extracellular matrix (ECM). IL-6 (∼3000pgml(-1)) was injected (3dwk(-1) for 8-wks) into the Achilles peritendinous region of male Wistar rats (n=16) with the opposite leg serving as a sham...
April 13, 2017: Cytokine
https://www.readbyqxmd.com/read/28410798/protective-role-of-coq10-or-l-carnitine-on-the-integrity-of-the-myocardium-in-doxorubicin-induced-toxicity
#6
Hesham N Mustafa, Gehan A Hegazy, Sally A El Awdan, Marawan AbdelBaset
Doxorubicin (DOX) is a chemotherapeutic agent used for treatment of different cancers and its clinical usage is hindered by the oxidative injury-related cardiotoxicity. This work aims to declare if the harmful effects of DOX on heart can be alleviated with the use of Coenzyme Q10 (CoQ10) or L-carnitine. The study was performed on seventy two female Wistar albino rats divided into six groups, 12 animals each: Control group; DOX group (10mg/kg); CoQ10 group (200mg/kg); L-carnitine group (100mg/kg); DOX+CoQ10 group; DOX+L-carnitine group...
April 2, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28410530/metformin-attenuated-endotoxin-induced-acute-myocarditis-via-activating-ampk
#7
Gang Liu, Kejia Wu, Li Zhang, Jie Dai, Wei Huang, Ling Lin, Pu Ge, Fuling Luo, Han Lei
Metformin is a widely used anti-diabetic drug and increasing evidence suggests that metformin have profound cardioprotective effects under both diabetic and non-diabetic situations. The protective benefits of metformin have been proved in diabetic patients with cardiovascular complications and in experimental animals with myocardial infarction and cardiac hypertrophy. In the present study, we found that treatment with metformin inhibited the cardiac expression of pro-inflammatory cytokines including tumor necrosis factor alpha (TNF-α), interleukin 1 beta (IL-1β) and interleukin 6 (IL-6) in endotoxin-challenged mice...
April 11, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28410378/metabolic-changes-and-inflammation-in-cultured-astrocytes-from-the-5xfad-mouse-model-of-alzheimer-s-disease-alleviation-by-pantethine
#8
Manuel van Gijsel-Bonnello, Kévin Baranger, Philippe Benech, Santiago Rivera, Michel Khrestchatisky, Max de Reggi, Bouchra Gharib
Astrocytes play critical roles in central nervous system homeostasis and support of neuronal function. A better knowledge of their response may both help understand the pathophysiology of Alzheimer's disease (AD) and implement new therapeutic strategies. We used the 5xFAD transgenic mouse model of AD (Tg thereafter) to generate astrocyte cultures and investigate the impact of the genotype on metabolic changes and astrocytes activation. Metabolomic analysis showed that Tg astrocytes exhibited changes in the glycolytic pathway and tricarboxylic acid (TCA) cycle, compared to wild type (WT) cells...
2017: PloS One
https://www.readbyqxmd.com/read/28405892/pro-inflammatory-cytokines-in-psychiatric-disorders-in-children-and-adolescents-a-review
#9
Paulina Miłkowska, Katarzyna Popko, Urszula Demkow, Tomasz Wolańczyk
Cytokines are a large group of small proteins which play a significant role in cell signaling and regulate a variety of processes in organisms, including proliferation and differentiation of many cells, mediation in defense reactions and regulation of hematopoiesis. Cytokines can be divided into those with pro- and those with anti-inflammatory properties. In the group of pro-inflammatory cytokines the most important are: IL-1 beta, IL-6, TNF-alpha, and IFN-gamma. Pro-inflammatory cytokines might be involved in the pathophysiology of many psychiatric conditions in adults, but their role in children and adolescents is less clear...
April 13, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28405188/compound-19e-a-novel-glucokinase-activator-protects-against-cytokine-induced-beta-cell-apoptosis-in-ins-1-cells
#10
Yoon Sin Oh, Eunhui Seo, Kaapjoo Park, Hee-Sook Jun
Previously, compound 19e, a novel heteroaryl-containing benzamide derivative, was identified as a potent glucokinase activator (GKA) and showed a glucose-lowering effect in diabetic mice. In this study, the anti-apoptotic actions of 19e were evaluated in INS-1 pancreatic beta-cells co-treated with TNF-α and IL-1β to induce cell death. Compound 19e protected INS-1 cells from cytokine-induced cell death, and the effect was similar to treatment with another GKA or exendin-4. Compound 19e reduced annexin-V stained cells and the expression of cleaved caspase-3 and poly (ADP-ribose) polymerase protein, as well as upregulated the expression of B-cell lymphoma-2 protein...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28404906/interleukin-1%C3%AE-rs1143627-polymorphism-with-susceptibility-to-periodontal-disease
#11
Wei Huang, Bing-Yang He, Jun Shao, Xiao-Wei Jia, Ya-Di Yuan
Association between interleukin-1 beta (IL-1β) rs1143627 polymorphism and periodontal disease susceptibility was inconsistent; hence we performed this meta-analysis to explore the precise correlation between them. The degree of association was appraised through calculating pooled odds ratio (OR) and its 95% confidence interval (CI). The databases known as PubMed, Embase, and Chinese National Knowledge Infrastructure were searched up to October 26, 2016. A total of 8 eligible case-control studies were finally included, which involved 229 aggressive periodontitis patients, 382 chronic periodontitis patients, and 555 healthy controls...
February 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28404641/nlrp3-inflammasome-as-a-novel-target-for-docosahexaenoic-acid-metabolites-to-abrogate-glomerular-injury
#12
Guangbi Li, Zhida Chen, Owais M Bhat, Qinghua Zhang, Justine M Abais-Battad, Sabena M Conley, Joseph K Ritter, Pin-Lan Li
The NOD-like receptor containing pyrin domain 3 (NLRP3) inflammasome has been implicated in podocyte injury and glomerular sclerosis during hyperhomocysteinemia (hHcys). However, it remains unclear whether NLRP3 inflammasome can be a therapeutic target for treatment of hHcys-induced kidney injury. Given that docosahexaenoic acid (DHA) metabolites-resolvins have potent anti-inflammatory effects, the present study tested whether the prototype resolvin D1 (RvD1) and 17S-hydroxy DHA (17S-HDHA), an intermediate product abrogate hHcys-induced podocyte injury by targeting the NLRP3 inflammasome...
April 12, 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/28403925/prevention-of-infertility-induced-by-ovarian-ischemia-reperfusion-injury-by-benidipine-in-rats-biochemical-gene-expression-histopathological-and-immunohistochemical-evaluation
#13
E Unlubilgin, B Suleyman, G Balci, R Atakan Al, M Cankaya, U Arslan Nayki, H Suleyman
INTRODUCTION: Benidipine has been reported to prevent the ischemia/reperfusion (I/R) damage in heart tissue and to suppress oxidant and proinflammatory cytokine production, increased by I/R. However, There was no information about the effects of benidipine on I/R injury in the ovary and the damage of I/R-induced infertility. OBJECTIVES: The aim of the study was to investigate the effects of benidipine on bilateral ovarian I/R injury and whether or not effective in the treatment of I/R-induced infertility in rats...
March 2017: J Gynecol Obstet Hum Reprod
https://www.readbyqxmd.com/read/28401852/t-helper-type-1-t-helper-type-2-shift-and-nasal-remodeling-after-fine-particulate-matter-exposure-in-a-rat-model-of-allergic-rhinitis
#14
Zhi-Qiang Guo, Wei-Yang Dong, Jian Xu, Zhi-Cong Hong, Ren-Wu Zhao, Cong-Rui Deng, Guo-Shun Zhuang, Ru-Xin Zhang
BACKGROUND: Exposure to fine particulate matter (particulate matter less than or equal to 2.5 mg [PM2.5]) increases therisk of allergic rhinitis (AR), but the underlying mechanisms remains unclear. Thus, we investigated the roles of T-helper (Th)1-Th2 cytokines and nasal remodeling after ambient PM2.5 exposure in a rat model of AR. METHODS: Female Sprague-Dawley rats were randomized into six groups: a negative control group, a group of healthy rats exposed to 3000 mg/m3 PM2...
April 11, 2017: American Journal of Rhinology & Allergy
https://www.readbyqxmd.com/read/28397719/toll-like-receptor-4-signaling-pathway-in-the-protective-effect-of-pioglitazone-on-experimental-immunoglobulin-a-nephropathy
#15
Jia-Nan Zou, Jing Xiao, Sha-Sha Hu, Chen-Sheng Fu, Xiao-Li Zhang, Zhen-Xing Zhang, Yi-Jun Lu, Wei-Jun Chen, Zhi-Bin Ye
BACKGROUND: In vitro experiments have revealed that toll-like receptor 4 (TLR4) pathway is involved in the progression of immunoglobulin A nephropathy (IgAN) by induction of proinflammatory cytokines. Evidence showed that, in other disease models, peroxisome proliferator-activated receptor-γ (PPAR-γ) agonists have been shown to exert anti-inflammatory effects through suppression of the expression and activity of TLR4. However, the interaction between PPAR-γ and TLR4 in IgAN has not been fully studied both in vitro and in vivo...
April 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28395719/-alphacalcidol-combined-with-dexamethasone-for-reducing-pulmonary-fibrosis-in-mice-and-its-mechanism
#16
Xiaoyu Yang, Ling Wu, Guoping Li, Qin Ran, Lei Zhang
Objective To study the effect of alphacalcidol and dexamethasone on pulmonary fibrosis and its mechanism. Methods Forty C57BL/6 mice were randomly divided into five groups: normal control group, pulmonary fibrosis group, alphacalcidol group, dexamethasone group, dexamethasone combined with alphacalcidol group. The normal control group was given 0.5 μL/g normal saline by one-time intratracheal injection as well as 0.2 mL normal saline by daily intragastric infusion. The other groups received 0.5 μL/g bleomycin solution by one-time intratracheal injection; besides, the pulmonary fibrosis group were subjected to 0...
April 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28392361/dexmedetomidine-confers-neuroprotection-against-transient-global-cerebral-ischemia-reperfusion-injury-in-rats-by-inhibiting-inflammation-through-inactivation-of-the-tlr-4-nf-%C3%AE%C2%BAb-pathway
#17
Eugene Kim, Hyun-Chang Kim, Seungmi Lee, Ho-Geol Ryu, Yong-Hee Park, Jun Hyun Kim, Young-Jin Lim, Hee-Pyoung Park
Dexmedetomidine (DXM) has anti-inflammatory effects, which is considered an important mechanism of DXM-induced neuroprotection from cerebral ischemia/reperfusion injury. We determined whether the anti-inflammatory effects of DXM are associated with inhibition of the toll-like receptor (TLR)-4/nuclear factor kappa B (NF-κB) pathway in a rat model of transient global cerebral ischemia/reperfusion injury. Fifty rats were randomly assigned to one of five groups (10 rats/group): Group S received no treatment; Group C underwent transient global ischemia (10min); Group D received DXM 30min before ischemia; Group R received resatorvid, a selective TLR-4 antagonist, 30min before ischemia; and Group RD received resatorvid and DXM 30min before ischemia...
April 6, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28386381/anti-inflammatory-effect-of-lycopene-in-sw480-human-colorectal-cancer-cells
#18
Jae Hoon Cha, Woo Kyoung Kim, Ae Wha Ha, Myung Hwan Kim, Moon Jeong Chang
BACKGROUND/OBJECTIVES: Although the antioxidative effects of lycopene are generally known, the molecular mechanisms underlying the anti-inflammatory properties of lycopene are not fully elucidated. This study aimed to examine the role and mechanism of lycopene as an inhibitor of inflammation. METHODS/MATERIALS: Lipopolysaccharide (LPS)-stimulated SW 480 human colorectal cancer cells were treated with 0, 10, 20, and 30 µM lycopene. The MTT assay was performed to determine the effects of lycopene on cell proliferation...
April 2017: Nutrition Research and Practice
https://www.readbyqxmd.com/read/28383711/synergistic-effect-of-regulatory-t-cells-and-proinflammatory-cytokines-in-angiogenesis-in-the-endometriotic-milieu
#19
Xiao-Qiu Wang, Wen-Jie Zhou, Xue-Zhen Luo, Yu Tao, Da-Jin Li
STUDY QUESTION: Do regulatory T cells (Tregs) contribute to angiogenesis in endometriosis? SUMMARY ANSWER: High levels of CCL17 and CCL22 cause the recruitment of Tregs, upregulate the immunosuppression of Tregs and, in turn, may promote angiogenesis in endometrial cells in synergy with proinflammatory cytokines. WHAT IS ALREADY KNOWN: The peritoneal fluid of patients with endometriosis has a higher percentage of Tregs than that of normal individuals; however, the regulatory role of Tregs in the disease remains unclear...
April 4, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28380011/increased-inflammation-is-associated-with-islet-autoimmunity-and-type-1-diabetes-in-the-diabetes-autoimmunity-study-in-the-young-daisy
#20
Kathleen Waugh, Janet Snell-Bergeon, Aaron Michels, Fran Dong, Andrea K Steck, Brigitte I Frohnert, Jill M Norris, Marian Rewers
BACKGROUND: Type 1 diabetes (TID) is characterized by a loss of pancreatic islet beta cell function resulting in loss of insulin production. Genetic and environmental factors may trigger immune responses targeting beta cells thus generating islet antibodies (IA). Immune response pathways involve a cascade of events, initiated by cytokines and chemokines, producing inflammation which can result in tissue damage. METHODS: A nested case-control study was performed to identify temporal changes in cytokine levels in 75 DAISY subjects: 25 diagnosed T1D, 25 persistent IA, and 25 controls...
2017: PloS One
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