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Monocyte chemoattractant protein-1

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https://www.readbyqxmd.com/read/27913426/depletion-of-circulating-monocytes-suppresses-il-17-and-hmgb1-expression-in-mice-with-lps-induced-acute-lung-injury
#1
Zhilong Jiang, Qianlin Zhou, Chenlin Gu, Dandan Li, Lei Zhu
Acute lung injury/Acute Respiratory distress syndrome (ALI/ARDS) is an important cause of mortality in critically ill patients. Macrophages play an important role in the pathogenesis of ALI/ARDS. To investigate the role and underlying mechanisms of circulating monocytes and resident alveolar macrophages (AMs) in ALI/ARDS, we depleted circulating monocytes and AMs by clodronate-loaded liposome (CL) in lipopolysaccharide (LPS)-induced ALI/ARDS mouse model. Our results indicated that depletion of circulating monocytes by intravenous (i...
December 2, 2016: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/27911427/-modern-approach-to-early-diagnosis-and-pathogenetic-treatment-of-diabetic-retinopathy
#2
I V Vorob'eva
AIM: To improve the approach to pathogenetic treatment of diabetic retinopathy (DR) through early diagnosis and a new method for predicting disease progression. MATERIAL AND METHODS: The study enrolled 330 type 2 diabetes patients with DR (660 eyes), of whom women constituted 64.6%, men - 35.4%. The mean patient age was 62.3±2.3 years. Three groups were formed: the controls - 30 healthy volunteers (60 eyes) and 30 type 2 diabetes patients without ocular involvement (DR 0, 60 eyes); group 1 - 30 type 2 diabetes patients with DR I but no diabetic macular edema (DR I without DME, 60 eyes) that were treated with calcium dobesilate; group 2 - 240 type 2 diabetes patients, who had diabetic retinopathy of different stages (DR I, II, or III with DME, 480 eyes) and received laser retinal photocoagulation (LRP)...
2016: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/27910782/chemoprevention-of-colon-cancer-through-inhibition-of-angiogenesis-and-induction-of-apoptosis-by-nonsteroidal-anti-inflammatory-drugs
#3
Preety Ghanghas, Shelly Jain, Chandan Rana, Sankar Nath Sanyal
Cancer cells require nourishment for the growth of the primary tumor mass and spread of the metastatic colony. These needs are fulfilled by tumor-associated neovasculature known as angiogenesis, which also favors the transition from hyperplasia to neoplasia, that is, from a state of cellular multiplication to uncontrolled proliferation. Therefore, targeting angiogenesis is profitable as a mechanism to inhibit tumor growth. Furthermore, it is important to understand the cross-communication between vascular endothelial growth factor (VEGF) and matrix metalloproteinases (MMPs) in the neoplastic and proinflammatory milieu...
2016: Journal of Environmental Pathology, Toxicology and Oncology
https://www.readbyqxmd.com/read/27909742/the-anti-inflammatory-effect-of-montelukast-a-cysteinyl-leukotriene-receptor-1-antagonist-against-estradiol-induced-nonbacterial-inflammation-in-the-rat-prostate
#4
Mahmoud M Said, Maarten C Bosland
There is no standard treatment of chronic nonbacterial prostatitis in humans. The current study was aimed to investigate the effect of montelukast, an antagonist of cysteinyl leukotriene receptor-1, against estrogen-induced, nonbacterial lateral lobe-specific prostate inflammation in rats. Male Wistar rats were randomized into five groups of six rats, including sham controls (group 1) and castrated rats (group 2), whereas nonbacterial prostatitis (NBP) was induced in groups 3-5 by castration followed by a daily subcutaneous injection of estradiol (0...
December 1, 2016: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/27909248/regulation-of-chemokine-receptor-ccr2-recycling-by-filamin-a-phosphorylation
#5
Mònica Pons, Ismael Izquierdo, Mireia Andreu-Carbó, Georgina Garrido, Jesús Planagumà, Olivia Muriel, M Isabel Geli, Anna M Aragay
Proper endosomal trafficking of ligand-activated G protein-coupled receptors (GPCRs) is essential to spatiotemporally tune their physiological responses. For the monocyte chemoattractant receptor 2 (CCR2B), endocytic recycling is important to sustain monocyte migration; while filamin A (FLNa) is essential for CCL2-induced monocyte migration. Here, we analyze the role of FLNa in the trafficking of CCR2B along the endocytic pathway. In FLNa knockdown cells, activated CCR2B accumulated in enlarged EEA-1-positive endosomes, which exhibited slow movement and fast fluorescence recovery, suggesting an imbalance between receptor entry and exit rates...
December 1, 2016: Journal of Cell Science
https://www.readbyqxmd.com/read/27908701/inhibitory-effects-of-l-theanine-on-airway-inflammation-in-ovalbumin-induced-allergic-asthma
#6
Yong Pil Hwang, Sun Woo Jin, Jae Ho Choi, Chul Yung Choi, Hyung Gyun Kim, Se Jong Kim, Yongan Kim, Kyung Jin Lee, Young Chul Chung, Hye Gwang Jeong
L-theanine, a water-soluble amino acid isolated from green tea (Camellia sinensis), has anti-inflammatory activity, antioxidative properties, and hepatoprotective effects. However, the anti-allergic effect of L-theanine and its underlying molecular mechanisms have not been elucidated. In this study, we investigated the protective effects of L-theanine on asthmatic responses, particularly airway inflammation and oxidative stress modulation in an ovalbumin (OVA)-induced murine model of asthma. Treatment with L-theanine dramatically attenuated the extensive trafficking of inflammatory cells into bronchoalveolar lavage fluid (BALF)...
November 28, 2016: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/27907005/intraluminal-flagellin-differentially-contributes-to-gut-dysbiosis-and-systemic-inflammation-following-burn-injury
#7
Logan Grimes, Allie Doyle, Aaron L Miller, Richard B Pyles, Gabor Olah, Csaba Szabo, Sarah Hoskins, Tonyia Eaves-Pyles
Burn injury is associated with a loss of gut barrier function, resulting in systemic dissemination of gut-derived bacteria and their products. The bacterial protein and TLR5 agonist, flagellin, induces non-specific innate immune responses. Because we detected flagellin in the serum of burn patients, we investigated whether gut-derived flagellin was a primary or secondary contributor to intestinal dysfunction and systemic inflammation following burn injury. The apical surface of polarized human intestinal epithelial cells (IECs), Caco-2BBe, were exposed to 50 or 500 ng of purified flagellin and 1 x 105 of an intestinal E...
2016: PloS One
https://www.readbyqxmd.com/read/27906425/the-correlation-between-children-s-status-asthmatics-and-interstitial-lung-disease
#8
X-M Han, Y-Y Cheng, Y-F Gong, M-M Jiang
OBJECTIVE: Investigating the correlation between children's status asthmatics and interstitial lung disease (ILD). PATIENTS AND METHODS: We continuously selected 20 cases of children's status asthmatics combined with ILD (group A), 20 cases of pure status asthmatics (group B), 20 cases of pure ILD (group C) and 20 cases of healthy children (group D). We measured Th1/Th2 by flow cytometry as well as the level of expression of hs-CRP, IL-7 cytokines (TSLP), monocyte chemoattractant protein-1 (MCP-1) and anti-Jo-1 antibody by ELISA method...
November 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27903846/cytokine-profiles-of-tumor-supernatants-in-invasive-ductal-cancer-and-fibroadenoma-of-the-breast-and-its-relationship-with-vegf-a-expression-in-the-tumors
#9
Alexander I Autenshlyus, Sergey A Arkhipov, Tatiana A Kunts, Igor O Marinkin, Elena S Mikhailova, Xenia V Karpukhina, Nikolay A Varaksin
Interrelations between cytokines, produced by invasive ductal carcinoma (IDC) and fibroadenoma (FA) of the breast, and angiogenic growth factor VEGF-A, expressed in IDC and FA, were investigated. The analysis of the cytokine profiles of IDC and FA was performed by cultivation of tumor biopsy specimens in vitro. Testing of the cytokine-producing reserve of the tumors for production of VEGF-A was conducted by culturing samples of IDC and FA in a medium containing polyclonal activator (a complex of phytohemagglutinin, concanavalin A, and lipopolysaccharide)...
November 30, 2016: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/27902962/sargachromenol-protects-against-vascular-inflammation-by-preventing-tnf-%C3%AE-induced-monocyte-adhesion-to-primary-endothelial-cells-via-inhibition-of-nf-%C3%AE%C2%BAb-activation
#10
Wi-Gyeong Gwon, Eun-Ji Joung, Mi-Sung Kwon, Su-Jin Lim, Tadanobu Utsuki, Hyeung-Rak Kim
Vascular inflammation is a key factor in the pathogenesis of atherosclerosis. The purpose of this study was to investigate the protective effects of sargachromenol (SCM) against tumor necrosis factor (TNF)-α-induced vascular inflammation. SCM decreased the expression of cell adhesion molecules, including intracellular adhesion molecule-1 and vascular cell adhesion molecule-1, in TNF-α-stimulated human umbilical vein endothelial cells (HUVECs), resulted in reduced adhesion of monocytes to HUVECs. SCM also decreased the production of monocyte chemoattractant protein-1 and matrix metalloproteinase-9 in TNF-α-induced HUVECs...
November 27, 2016: International Immunopharmacology
https://www.readbyqxmd.com/read/27902385/motor-coordination-and-balance-measurements-reveal-differential-pathogenicity-of-currently-spreading-ev71-strains-in-human-scarb2-transgenic-mice
#11
Mei-Feng Chen, Shin-Ru Shih
Enterovirus 71 (EV71) has caused large-scale epidemics with neurological complications in Asia Pacific region. The C4a and B5 strains are the two major genotypes circulalted in many coutries recently. This study provides a new protocol, a motor coordination task, to assess the differential pathogenicity of C4a and B5 strains in human SCARB2 transgenic mice. We found that the pathogenicity of C4a viruses was more severe than that of B5 viruses. Moreover, we discovered that an increased level of monocyte chemoattractant protein-1 is positively correlated with severely deficient motor function...
October 20, 2016: Journal of General Virology
https://www.readbyqxmd.com/read/27901051/mycobacterium-avium-mav2054-protein-induces-macrophage-apoptosis-by-targeting-mitochondria-and-reduces-intracellular-bacterial-growth
#12
Kang-In Lee, Jake Whang, Han-Gyu Choi, Yeo-Jin Son, Haet Sal Jeon, Yong Woo Back, Hye-Soo Park, Seungwha Paik, Jeong-Kyu Park, Chul Hee Choi, Hwa-Jung Kim
Mycobacterium avium complex induces macrophage apoptosis. However, the M. avium components that inhibit or trigger apoptosis and their regulating mechanisms remain unclear. We recently identified the immunodominant MAV2054 protein by fractionating M. avium culture filtrate protein by multistep chromatography; this protein showed strong immuno-reactivity in M. avium complex pulmonary disease and in patients with tuberculosis. Here, we investigated the biological effects of MAV2054 on murine macrophages. Recombinant MAV2054 induced caspase-dependent macrophage apoptosis...
November 30, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27894396/ellagic-acid-ameliorates-cuprizone-induced-acute-cns-inflammation-via-restriction-of-microgliosis-and-down-regulation-of-ccl2-and-ccl3-pro-inflammatory-chemokines
#13
N Sanadgol, F Golab, A Mostafaie, M Mehdizadeh, M Abdollahi, M Sharifzadeh, H Ravan
Ellagic acid (EA) is a natural phenol antioxidant with various therapeutic activities. However, the efficacy of EA has not been examined in neuro-inflammatory conditions. Microglia making the innate immune system of the central nervous system (CNS) and are imperative cellular mediators of neuro-inflammatory processes. In this study, neuro-protective effects of EA on cuprizone (Cup)-induced acute CNS inflammation evaluated. C57BL/6J mice were fed with chow containing 0.2 % Cup for 3 weeks to induce acute neuro-inflammation predominantly in the corpus callosum (CC)...
October 31, 2016: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/27889107/combination-of-the-anthocyanidins-malvidin-and-peonidin-attenuates-lipopolysaccharide-mediated-inflammatory-gene-expression-in-primary-human-adipocytes
#14
Jessica D Mackert, Michael K McIntosh
We recently demonstrated that California table grapes and a methanol-extractable, polyphenol-rich fraction decreased adiposity, insulin resistance, or markers of inflammation in high-fat fed mice. Malvidin and peonidin glycosides were the 2 most abundant anthocyanins in the polyphenol-rich fraction. We hypothesized that a blood borne combination of anthocyanidins malvidin and peonidin derived from intestinal β-glycosidase metabolism of these 2 anthocyanins are responsible, in part, for the beneficial health effects observed in vivo...
November 10, 2016: Nutrition Research
https://www.readbyqxmd.com/read/27887882/c-type-lectin-receptor-dcar-recognizes-mycobacterial-phosphatidyl-inositol-mannosides-to-promote-a-th1-response-during-infection
#15
Kenji Toyonaga, Shota Torigoe, Yoshitomo Motomura, Takane Kamichi, Jennifer M Hayashi, Yasu S Morita, Naoto Noguchi, Yasushi Chuma, Hideyasu Kiyohara, Kazuhiro Matsuo, Hiroshi Tanaka, Yoshiko Nakagawa, Tetsushi Sakuma, Masaki Ohmuraya, Takashi Yamamoto, Masayuki Umemura, Goro Matsuzaki, Yasunobu Yoshikai, Ikuya Yano, Tomofumi Miyamoto, Sho Yamasaki
Phosphatidyl-inositol mannosides (PIM) are glycolipids unique to mycobacteria and other related bacteria that stimulate host immune responses and are implicated in mycobacteria pathogenicity. Here, we found that the FcRγ-coupled C-type lectin receptor DCAR (dendritic cell immunoactivating receptor; gene symbol Clec4b1) is a direct receptor for PIM. Mycobacteria activated reporter cells expressing DCAR, and delipidation of mycobacteria abolished this activity. Acylated PIMs purified from mycobacteria were identified as ligands for DCAR...
November 16, 2016: Immunity
https://www.readbyqxmd.com/read/27884511/effects-of-previous-physical-training-on-adriamycin-nephropathy-and-its-relationship-with-endothelial-lesions-and-angiogenesis-in-the-renal-cortex
#16
Camila M Faleiros, Heloisa Francescato, Marcelo Papoti, Lucas Chaves, Cleonice Silva, Roberto Costa, Terezila Machado Coimbra
AIMS: Adriamycin (ADR)-induced nephropathy is one of the most experimental models used in progressive kidney disease. A single dose of this drug induces a progressive and irreversible proteinuria that progresses to focal segmental glomerulosclerosis and tubulointerstitial lesions. Regular physical activity has been considered as a therapeutic intervention in several diseases. This study evaluated the influence of previous physical training in renal damage induced by ADR and the role of endothelial lesions and angiogenesis in this process...
November 21, 2016: Life Sciences
https://www.readbyqxmd.com/read/27882497/soluble-tlr2-and-4-concentrations-in-cerebrospinal-fluid-in-hiv-siv-related-neuropathological-conditions
#17
Khutso M Mothapo, J Ten Oever, P Koopmans, F F Stelma, S Burm, J Bajramovic, M M Verbeek, M G Olde Rikkert, M G Netea, G Koopman, A J van der Ven
HIV in the central nervous system (CNS) mainly infects microglial cells which are known to express toll-like receptors (TLRs). This paper aimed to study the role of soluble TLR2 (sTLR2), sTLR4, and other inflammatory markers in cerebrospinal fluid (CSF) in HIV/Simian immunodeficiency virus (SIV)-related neurological sequelae. We determined sTLR2 and sTLR4 levels in CSF and serum/plasma of SIV-infected rhesus macaques with and without neurological sequelae, as well as in HIV-infected patients with and without cognitive impairments and Alzheimer's disease (AD) patients and matched controls...
November 23, 2016: Journal of Neurovirology
https://www.readbyqxmd.com/read/27882340/data-on-early-postoperative-changes-in-aqueous-monocyte-chemoattractant-protein-1-levels-after-phacoemulsification
#18
Motofumi Kawai, Toshihiro Inoue, Akitoshi Yoshida, Hidenobu Tanihara
The data presented in this article are related to the research article entitled "Elevated levels of monocyte chemoattractant protein-1 in the aqueous humor after phacoemulsification" (M. Kawai, T. Inoue, M. Inatani, N. Tsuboi, K. Shobayashi, A. Matsukawa, A. Yoshida, H, 2012) [1]. The mean (±SE) aqueous MCP-1 levels (pg/ml) were 31.2±12.5, 1931.2±910.7, 2172.2±1015.7, 3315.4 ±1535.8, 3015.9 ±914.4, 2709.0 ±738.7, 72.8 ±26.9, and 207.1±62.9 at 0, 3, 6, 12, 24, 48, 168, and 720 h after phacoemulsification, respectively...
December 2016: Data in Brief
https://www.readbyqxmd.com/read/27881944/-2518-a-g-mcp-1-but-not-403-g-a-rantes-gene-polymorphism-is-associated-with-enhanced-risk-of-basal-cell-carcinoma
#19
Michał Sobjanek, Monika Zabłotna, Aneta Szczerkowska-Dobosz, Katarzyna Ruckemann-Dziurdzińska, Malgorzata Sokolowska-Wojdylo, Roman Nowicki
INTRODUCTION: Polymorphic variants of MCP-1 and RANTES genes and their protein serum levels have been implicated in the increased risk and severity of several malignancies. However, the subject has not been explored in basal cell carcinoma (BCC) patients so far. AIM: To investigate the association between monocyte chemoattractant protein 1 (MCP-1) (-2518 A/G) and RANTES (-403 G/A) polymorphism and risk and clinical course of BCC. MATERIAL AND METHODS: The study group consisted of 150 unrelated patients with BCC and 140 healthy, unrelated, age- and sex-matched volunteers...
October 2016: Postȩpy Dermatologii i Alergologii
https://www.readbyqxmd.com/read/27878431/aqueous-immune-mediators-in-malignant-uveal-melanomas-in-comparison-to-benign-pigmented-intraocular-tumors
#20
Yoshihiko Usui, Kinya Tsubota, Tsuyoshi Agawa, Shunichiro Ueda, Kazuhiko Umazume, Yoko Okunuki, Takeshi Kezuka, Naoyuki Yamakawa, Hiroshi Goto
BACKGROUND: To examine the usefulness of measuring immune mediators in aqueous humor samples for differentiating malignant uveal melanoma from benign pigmented intraocular tumors. METHODS: Thirteen eyes of 13 patients with uveal melanoma were studied, and 13 eyes of 13 patients with benign pigmented intraocular tumors served as controls. Undiluted samples of aqueous humor were collected, and a cytometric bead array was used to determine the aqueous humor concentrations of 35 immune mediators comprising 14 interleukins (IL), interferon-γ, interferon-γ-inducible protein-10, monocyte chemoattractant protein (MCP)-1, macrophage inflammatory protein (MIP)-1α, MIP-1β, regulated on activation normal T cell expressed and secreted, monokine induced by interferon-γ, basic fibroblast growth factor, Fas ligand, granzyme A, granzyme B, eotaxin, interferon-inducible T-cell alpha chemoattractant, fractalkine, granulocyte macrophage colony-stimulating factor, granulocyte colony-stimulating factor, vascular endothelial growth factor, angiogenin, tumor necrosis factor-α, lymphotoxin-α, and CD40L...
November 22, 2016: Graefe's Archive for Clinical and Experimental Ophthalmology
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