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Monocyte chemoattractant protein-1

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https://www.readbyqxmd.com/read/28346354/anti-inflammatory-properties-of-irisin-mediator-of-physical-activity-are-connected-with-tlr4-myd88-signaling-pathway-activation
#1
Agnieszka Irena Mazur-Bialy, Ewa Pocheć, Marcin Zarawski
Irisin, an adipomiokine known as a mediator of physical activity, induces the browning of adipose tissue and it has potentially protective properties in the development of obesity-related states, such as insulin resistance, arteriosclerosis, and type 2 diabetes. Despite numerous studies conducted on this factor, still little is known about its impact on the functioning of immunocompetent cells, but its potential anti-inflammatory properties were previously suggested. In the current study we investigated the role of irisin (0-100 nM) in the downstream pathway activation of Toll-like receptor 4 (TLR4) in RAW 264...
March 25, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28341837/enhancement-of-ccl2-expression-and-monocyte-migration-by-ccn1-in-osteoblasts-through-inhibiting-mir-518a-5p-implication-of-rheumatoid-arthritis-therapy
#2
Cheng-Yu Chen, Lih-Jyh Fuh, Chien-Chung Huang, Chin-Jung Hsu, Chen-Ming Su, Shan-Chi Liu, Yu-Min Lin, Chih-Hsin Tang
Cysteine-rich 61 (Cyr61 or CCN1), a secreted protein from the CCN family, is an important proinflammatory cytokine. Migration and infiltration of mononuclear cells to inflammatory sites play a critical role in the pathogenesis of rheumatoid arthritis (RA). Monocyte chemoattractant protein-1 (MCP-1/CCL2) is the key chemokine that regulates migration and infiltration of monocytes. Here, we examined the role of CCN1 in monocyte migration, and CCL2 expression in osteoblasts. We found higher levels of CCN1 and CCL2 in synovial fluid from RA patients compared with levels from non-RA controls...
March 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28339909/il-17-and-cd40-ligand-synergistically-stimulate-the-chronicity-of-diabetic-nephropathy
#3
Huey-Liang Kuo, Chiu-Ching Huang, Tze-Yi Lin, Ching-Yuang Lin
Background.: Early stages of diabetic nephropathy (DN) are characterized by an influx of inflammatory cells. Interactions between infiltrating T cells and podocytes may play an important role in the ongoing inflammatory response and remodelling. The aim of this study was to explore the role of IL-17 and CD40 ligand (CD40L) in DN. Methods.: The study design involved a case series. Kidney biopsy samples of 69 patients with type 2 diabetes were assessed for the presence of CD4 +  IL-17 +  T cells...
March 1, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28339172/maternal-high-fat-diet-consumption-enhances-offspring-susceptibility-to-dss-induced-colitis-in-mice
#4
Shima Bibi, Yifei Kang, Min Du, Mei-Jun Zhu
OBJECTIVE: Maternal high-fat diet (HFD) may alter the offspring intestinal immune system, thereby enhancing susceptibility toward inflammatory bowel disease. The objective of the current study was to investigate the impact of maternal HFD on offspring intestinal health using a mouse model of dextran sulfate sodium (DSS)-induced colitis. METHODS: Dams were provided with either HFD (60%) or control diet. After weaning, female offspring from both groups were kept on 45% HFD...
March 24, 2017: Obesity
https://www.readbyqxmd.com/read/28338422/therapeutic-hypothermia-reduces-the-inflammatory-response-following-ischemia-reperfusion-injury-in-rat-hearts
#5
Jianru Shi, Wangde Dai, Robert A Kloner
Therapeutic hypothermia (TH) is known to protect against ischemia/reperfusion (I/R) injury. One mechanism of I/R injury includes secondary injury due to the inflammatory cascade. We hypothesized that TH reduces the inflammatory response following I/R injury. Rats were randomized to sham, normothermic, or hypothermic groups and subjected to 1 hour of coronary artery occlusion and 48 hours of reperfusion. Hypothermia was initiated, using the ThermoSuit(®) device, 2 minutes after the onset of coronary artery occlusion to a core temperature of 32°C, and then the rats were allowed to rewarm...
March 24, 2017: Therapeutic Hypothermia and Temperature Management
https://www.readbyqxmd.com/read/28337297/protective-effect-of-a-novel-antibody-against-tlr2-on-zymosan-induced-acute-peritonitis-in-nf-%C3%AE%C2%BAb-transgenic-mice
#6
Qingjun Pan, Jun Cai, Yanxia Peng, Haiyan Xiao, Lifang Zhang, Jinying Chen, Huafeng Liu
In addition to antibiotic therapy for treatment of peritonitis, biologics have also been found to exhibit both anti-inflammatory and inflammation-resolving properties. Here, we first developed NF-κB transgenic mice with zymosan-induced acute peritonitis to investigate the effects of a novel anti-Toll-like receptor (TLR)2 antibody (anti-T20). In this mouse model, anti-T20 treatment significantly attenuated the increase of peritoneal NF-κB activity and serum levels of inflammatory cytokines, including monocyte chemoattractant protein (MCP)-1, interleukin (IL)-6 and tumor necrosis factor (TNF)-α, in a dose-dependent manner compared to mice treated with isotype control antibody...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28335408/n-hexane-insoluble-fraction-of-plantago-lanceolata-exerts-anti-inflammatory-activity-in-mice-by-inhibiting-cyclooxygenase-2-and-reducing-chemokines-levels
#7
Nanang Fakhrudin, Eny Dwi Astuti, Rini Sulistyawati, Djoko Santosa, Ratna Susandarini, Arief Nurrochmad, Subagus Wahyuono
Inflammation is involved in the progression of many disorders, such as tumors, arthritis, gastritis, and atherosclerosis. Thus, the development of new agents targeting inflammation is still challenging. Medicinal plants have been used traditionally to treat various diseases including inflammation. A previous study has indicated that dichloromethane extract of P. lanceolata leaves exerts anti-inflammatory activity in an in vitro model. Here, we examined the in vivo anti-inflammatory activities of a n-hexane insoluble fraction of P...
March 13, 2017: Scientia Pharmaceutica
https://www.readbyqxmd.com/read/28330776/topical-application-of-glycolic-acid-suppresses-the-uvb-induced-il-6-il-8-mcp-1-and-cox-2-inflammation-by-modulating-nf-%C3%AE%C2%BAb-signaling-pathway-in-keratinocytes-and-mice-skin
#8
Sheau-Chung Tang, Pei-Yun Liao, Sung-Jen Hung, Jheng-Siang Ge, Shiou-Mei Chen, Ji-Ching Lai, Yu-Ping Hsiao, Jen-Hung Yang
BACKGROUND: Glycolic acid (GA), commonly present in fruits, has been used to treat dermatological diseases. Extensive exposure to solar ultraviolet B (UVB) irradiation plays a crucial role in the induction of skin inflammation. The development of photo prevention from natural materials represents an effective strategy for skin keratinocytes. OBJECTIVE: The aim of this study was to investigate the molecular mechanisms underlying the glycolic acid (GA)-induced reduction of UVB-mediated inflammatory responses...
March 11, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28328949/mcpip1-alias-regnase-1-binds-and-cleaves-mrna-of-c-ebp%C3%AE
#9
Barbara Lipert, Mateusz Wilamowski, Andrzej Gorecki, Jolanta Jura
CCAAT/enhancer-binding protein beta (C/EBPβ) is a transcription factor controlling a broad range of genes essential for homeostasis, including genes related to immune functions, inflammation, metabolism and growth. Monocyte chemoattractant protein-1-induced protein 1 (MCPIP1) also called as Regnase-1 is an RNase and has been shown to decrease the stability of short-lived transcripts coding for inflammation-related proteins, including IL-1β, IL-6, IL-2, IL-8, IL-12b, IER-3, c-Rel. We found previously that the half-life of the C/EBPβ transcript is regulated by MCPIP...
2017: PloS One
https://www.readbyqxmd.com/read/28325283/silencing-of-carbohydrate-sulfotransferase-15-hinders-murine-pulmonary-fibrosis-development
#10
Yoshiro Kai, Koichi Tomoda, Hiroyuki Yoneyama, Masahiro Kitabatake, Atsuhiro Nakamura, Toshihiro Ito, Masanori Yoshikawa, Hiroshi Kimura
Pulmonary fibrosis is a progressive lung disorder characterized by interstitial fibrosis, for which no effective treatments are available. Chondroitin sulfate proteoglycan (CSPG) has been shown to be a mediator, but the specific component of glycosaminoglycan chains of CSPG has not been explored. We show that chondroitin sulfate E-type (CS-E) is involved in fibrogenesis. Small interfering RNA (siRNA) targeting carbohydrate sulfotransferase 15 (CHST15) was designed to inhibit CHST15 mRNA and its product, CS-E...
March 17, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28322835/role-of-mitochondrial-dysfunction-in-renal-fibrosis-promoted-by-hypochlorite-modified-albumin-in-a-remnant-kidney-model-and-protective-effects-of-antioxidant-peptide-ss-31
#11
Hao Zhao, Yan-Jun Liu, Zong-Rui Liu, Dong-Dong Tang, Xiao-Wen Chen, Yi-Hua Chen, Ru-Ning Zhou, Si-Qi Chen, Hong-Xin Niu
Oxidative stress aggravates renal fibrosis, a pathway involved in almost all forms of chronic kidney disease (CKD). However, the underlying mechanism involved in the pathogenesis of renal oxidative stress has not been completely elucidated. In this study, we explored the role and mechanism of hypochlorite-modified albumin (HOCl-alb) in mediating oxidative stress and fibrotic response in a remnant-kidney rat model. Five-sixths nephrectomy (5/6 NX) was performed on the rats and then the animals were randomly assigned to intravenous treatment with either vehicle alone, or HOCl-rat serum albumin (RSA) in the presence or absence of SS-31 (administered intraperitoneally)...
March 18, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28322790/short-chain-fatty-acids-gpr41-and-gpr43-ligands-inhibit-tnf-%C3%AE-induced-mcp-1-expression-by-modulating-p38-and-jnk-signaling-pathways-in-human-renal-cortical-epithelial-cells
#12
Mamiko Kobayashi, Daisuke Mikami, Hideki Kimura, Kazuko Kamiyama, Yukie Morikawa, Seiji Yokoi, Kenji Kasuno, Naoki Takahashi, Takanobu Taniguchi, Masayuki Iwano
Short-chain fatty acids (SCFAs), such as acetate, propionate, and butyrate, are produced predominantly by gut microbiota fermentation of dietary fiber. SCFAs are newly identified as endogenous ligands of two orphan G protein-coupled receptors, GPR41 and GPR43, which have the potential to modulate inflammation. Therefore, GPR41 and GPR43 may mediate the link between the gut microbiome status and various disease conditions including renal inflammation. This study aimed at investigating whether SCFAs activate GPR41 and GPR43, and thereby exert anti-inflammatory effects in human renal cortical epithelial cells (HRCEs) as a main component of kidney tissue...
March 17, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28319836/a-cross-sectional-comparison-of-ethanol-related-cytokine-expression-in-the-hippocampus-of-young-and-aged-fischer-344-rats
#13
Anny Gano, Tamara L Doremus-Fitzwater, Terrence Deak
Our work in Sprague Dawley rats has shown rapid alterations in neuroimmune gene expression (RANGE) in the hippocampus and paraventricular nucleus of the hypothalamus (PVN). These manifest as increased interleukin (IL)-6 and IκBα, and suppressed IL-1β and tumor necrosis factor alpha during acute ethanol intoxication. The present studies tested these effects across the lifespan (young adulthood at 2-3 months; senescence at 18 and 24 months), as well as across strain (Fischer 344) and sex. The hippocampus revealed age-dependent shifts in cytokine expression (IL-6, IL-1β, and monocyte chemoattractant protein 1), but no changes were observed in the PVN at baseline or following ethanol...
March 17, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28319586/short-term-exercise-training-alters-leukocyte-chemokine-receptors-in-obese-adults
#14
Julianne C Barry, Svetlana Simtchouk, Cody Durrer, Mary E Jung, Jonathan P Little
Obesity is characterized by chronic low-grade inflammation driven by activation and tissue infiltration of circulating leukocytes. Although exercise has anti-inflammatory effects, the impact of exercise on mediators of leukocyte migration is unclear. PURPOSE: To determine the impact of high intensity interval training (HIIT) versus moderate intensity continuous training (MICT), in the absence of weight/fat loss, on circulating chemokines and leukocyte chemokine receptors. METHODS: Thirty-seven inactive obese adults were randomized to two weeks (10 sessions) of HIIT or MICT with fasting blood samples collected before and after training...
March 18, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28317464/molecular-mechanisms-of-pulmonary-response-progression-in-crystalline-silica-exposed-rats
#15
Rajendran Sellamuthu, Christina Umbright, Jenny R Roberts, Shih-Houng Young, Diana Richardson, Walter McKinney, Bean T Chen, Shengqiao Li, Michael Kashon, Pius Joseph
An understanding of the mechanisms underlying diseases is critical for their prevention. Excessive exposure to crystalline silica is a risk factor for silicosis, a potentially fatal pulmonary disease. Male Fischer 344 rats were exposed by inhalation to crystalline silica (15 mg/m(3), six hours/day, five days) and pulmonary response was determined at 44 weeks following termination of silica exposure. Additionally, global gene expression profiling in lungs and BAL cells and bioinformatic analysis of the gene expression data were done to understand the molecular mechanisms underlying the progression of pulmonary response to silica...
March 19, 2017: Inhalation Toxicology
https://www.readbyqxmd.com/read/28314697/demeanor-of-rivaroxaban-in-activated-inactivated-fxa
#16
Kaname Seki, Yosuke Mizuno, Toku Sakashita, Shintaro Nakano, Jun Tanno, Yasushi Okazaki, Toshihiro Muramatsu, Shigeyuki Nishimura, Takaaki Senbonmatsu
Activated factor X (FXa) plays an important role in thrombin generation and inflammation. Factor X is not converted constitutively to FXa, but only after intrinsic clotting factors are activated and/or cellular injury occurs. Although rivaroxaban is one of direct FXa inhibitors, its function in the inactivated coagulation cascade is unclear. In human umbilical vein endothelial cells that natively express protease-activated receptor-1 and -2, high dose rivaroxaban did not alter gene transcripts including pro-inflammatory genes in DNA microarray...
February 24, 2017: Journal of Pharmacological Sciences
https://www.readbyqxmd.com/read/28304248/sustained-release-buprenorphine-improves-postsurgical-clinical-condition-but-does-not-alter-survival-or-cytokine-levels-in-a-murine-model-of-polymicrobial-sepsis
#17
Nicole L Herndon, Sheila Bandyopadhyay, Eldad A Hod, Kevin A Prestia
Cecal ligation and perforation (CLP) is a common technique for studying sepsis in mice. Because of the invasiveness of the procedure and its effects on clinical condition, many animal care and use committees require the use of analgesics with CLP. However, some analgesics have immunomodulatory effects and thus can hinder the overall research outcomes of a project. Here we sought to determine the effects of buprenorphine hydrochloride (Bup HCl) compared with sustained-release buprenorphine (Bup SR) on clinical condition, plasma concentrations of monocyte chemoattractant protein (MCP) 1 and IL6, and overall mortality in a murine CLP model of sepsis...
December 1, 2016: Comparative Medicine
https://www.readbyqxmd.com/read/28302706/acclimatization-of-the-systemic-microcirculation-to-alveolar-hypoxia-is-mediated-by-inos-dependent-increased-nitric-oxide-availability
#18
Alfred J Casillan, Jie Chao, John G Wood, Norberto C Gonzalez
Rats breathing 10% O2 show a rapid and widespread systemic microvascular inflammation that results from nitric oxide (NO) depletion secondary to increased reactive O2 species (ROS) generation. The inflammation eventually resolves and the microcirculation becomes resistant to more severe hypoxia. These experiments were directed to determine the mechanisms underlying this microvascular acclimatization process. Intravital microscopy of the mesentery showed that after three weeks of hypoxia (PB ~380 Torr, inspired PO2 ~ 68-70 Torr) rats showed no evidence of inflammation; however, treatment with the inducible NO synthase (iNOS) inhibitor L-N(6)-(1-Iminoethyl) lysine dihydrochloride (L-NIL) led to ROS generation, leukocyte-endothelial adherence and emigration, and increased vascular permeability...
March 16, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28302561/ameliorative-effect-of-gossypin-against-gentamicin-induced-nephrotoxicity-in-rats
#19
Mohamed Katary, Ahmad Salahuddin
AIM: Gentamicin (GEN) is an aminoglycoside antibiotic employed in treatment of life-threatening gram-negative infections, but one of its major side effects is the induction of nephrotoxicity. Therefore, the aim of this work was to scrutinize the possible protective effect of gossypin against GEN-induced nephrotoxicity. METHOD: Rats were randomly divided into four groups. First group served as a control, second group was injected with gossypin (10mg/kg, orally) for 7days, third group was injected with GEN (80mg/kg, i...
March 13, 2017: Life Sciences
https://www.readbyqxmd.com/read/28300760/the-essential-role-of-pin1-via-nf-%C3%AE%C2%BAb-signaling-in-vascular-inflammation-and-atherosclerosis-in-apoe-mice
#20
Ming Liu, Peng Yu, Hong Jiang, Xue Yang, Ji Zhao, Yunzeng Zou, Junbo Ge
Atherosclerosis, as a chronic inflammatory disease, is the major underlying cause of death worldwide. However, the mechanisms that underlie the inflammatory process are not completely understood. Prolyl-isomerase-1 (Pin1), as a unique peptidyl-prolyl isomerase, plays an important role in inflammation and endothelial dysfunction. Herein, we investigate whether Pin1 regulates vascular inflammation and atherosclerosis, and clarify its mechanisms in these processes. ApoE(-/-) mice were randomly given either juglone (0...
March 16, 2017: International Journal of Molecular Sciences
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