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Monocyte chemoattractant protein-1

Kai Sheng, Jiahuan Lu
Quinones that exist in ambient particulate matter (PM) are hypothesized to be associated with adverse health effects through the generation of reactive oxygen species (ROS). However, the impacts of the quinones on the inflammatory processes have yet to be clearly understood. In this study, we examined the oxidative potentials and biological effects of typical airborne quinones in the human lung epithelial A549 cells. Significant change of redox status, loss of mitochondrial membrane potentials (△Ψ) and increase of superoxide dismutase (SOD) activity were induced by exposure to quinones...
October 21, 2016: Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering
Marlies Bekaert, D Margriet Ouwens, Tina Hörbelt, Frederique Van de Velde, Pia Fahlbusch, Daniella Herzfeld de Wiza, Yves Van Nieuwenhove, Patrick Calders, Marleen Praet, Anne Hoorens, Anja Geerts, Xavier Verhelst, Jean-Marc Kaufman, Bruno Lapauw
OBJECTIVE: This study aimed to evaluate whether circulating levels and/or visceral adipose tissue (VAT) expression of recently described adipokines associate with histopathological severity of nonalcoholic fatty liver disease (NAFLD), independent of obesity and insulin resistance. METHODS: Serum levels of adiponectin, omentin, chemerin, monocyte chemoattractant protein-1, and secreted frizzled-related protein 4 were measured using enzyme-linked immunosorbent assay in 81 patients with obesity and NAFLD and 18 lean control subjects...
October 21, 2016: Obesity
Yoo Jeong Kim, Hyejin Jeon, Seok Hyeon Na, Hyo Il Kwon, Gati Noble Selasi, Asiimwe Nicholas, Tae In Park, Sang Hwa Lee, Je Chul Lee
Stenotrophomonas maltophilia has become one of the most prevalent opportunistic pathogens in hospitalized patients. This microorganism secretes outer membrane vesicles (OMVs), but the pathogenesis of S. maltophilia as it relates to OMVs has not been characterized. This study investigated the cytotoxic activity of S. maltophilia OMVs and their ability to induce inflammatory responses both in vitro and in vivo S. maltophilia ATCC 13637 and two clinical isolates were found to secrete spherical OMVs during in vitro culture...
October 17, 2016: Pathogens and Disease
Sardar Sindhu, Merin Koshy, Areej Abu Al-Roub, Nadeem Akhter, Saad Al Zanki, Shamsha Ali, Sriraman Devarajan, Rasheed Ahmad
[This corrects the article DOI: 10.1186/s40200-016-0264-4.].
2016: Journal of Diabetes and Metabolic Disorders
Natália A Borges, Amanda F Barros, Lia S Nakao, Carla J Dolenga, Denis Fouque, Denise Mafra
OBJECTIVE: Protein-bound uremic toxins from gut microbiota tend to accumulate in chronic kidney disease (CKD) patients and are poorly removed by current dialysis techniques. These toxins induce inflammation and are associated with cardiovascular disease (CVD). The aim of this study was to report the relationship between uremic toxins and inflammatory and cardiovascular markers in CKD patients. DESIGN: This was a cross sectional study. SUBJECTS: Twenty-one nondialysis patients were included (43% men, 63...
November 2016: Journal of Renal Nutrition
Gabriela M Balarini, Eliana Zandonade, Leandro Tanure, Gilda A Ferreira, Wildner M Sardenberg, Érica V Serrano, Cleia C Dias, Túlio P Navarro, Hilde H Nordal, Piotr M Mydel, Johan G Brun, Karl A Brokstad, Eva Gerdts, Roland Jonsson, Valéria Valim
OBJECTIVES: We aimed to identify the association of carotid atherosclerosis with the traditional risk factors, disease features, cytokine profile, and calprotectin in patients with primary Sjögren's syndrome (pSS). METHODS: 63 primary pSS patients and 63 age- and sex-matched healthy controls underwent carotid ultrasound, clinical and laboratory examination. The presence of carotid plaques was taken as carotid atherosclerosis. The covariates of carotid atherosclerosis were identified in univariate and multivariate regressions...
September 8, 2016: Clinical and Experimental Rheumatology
Huei-Fen Jheng, Motohiko Hirotsuka, Tsuyoshi Goto, Masayuki Shibata, Yasuki Matsumura, Teruo Kawada
SCOPE: Diabetic nephropathy (DN) is a major cause of end-stage renal disease. Here, we examined the effect of long-term consumption of a low-fat soy milk powder (LFSMP) on the diabetic kidney structure and function. METHODS AND RESULTS: KKAy mice were fed a casein- LFSMP-or high-fat soy mixture powder (HFSMP)-based diet for 4 months. Plasma and urine were subjected to a biochemical assay every 2-4 weeks. Renal morphology and protein expression were evaluated by histochemical staining and western blots...
October 17, 2016: Molecular Nutrition & Food Research
Yuan Ma, Jia-Xiang Zhang, Ya-Nan Liu, Ai Ge, Hao Gu, Wang-Jian Zha, Xiao-Ning Zeng, Mao Huang
In the pathophysiology of asthma, structural cell dysfunction and concomitant microenvironment changes in airways are crucial to pathological progression, which involves oxidative stress. Caffeic acid phenethyl ester (CAPE) is an active anti-oxidative component obtained from propolis, and has been shown to have beneficial effects on several respiratory disorders, such as chronic obstructive pulmonary disease and lung cancer. However, the impact of CAPE on asthma is not well understood. Therefore, this study investigated the advantages of using CAPE to treat asthma and demonstrated the roles of CAPE in the regulation of airway microenvironments...
October 13, 2016: Free Radical Biology & Medicine
Maryam Saberi Karimian, Matteo Pirro, Muhammed Majeed, Amirhossein Sahebkar
Monocyte chemoattractant/chemotactic protein-1 (MCP-1), a member of the CC chemokine family, is one of the key chemokines that regulate migration and tissue infiltration of monocytes/macrophages. Its role in the pathophysiology of several inflammatory diseases has been widely recognized, thus making MCP-1 a possible target for anti-inflammatory treatments. Curcumin (diferuloylmethane) is a natural polyphenol derived from the rhizomes of Curcuma Longa L. (turmeric). Anti-inflammatory action underlies numerous pharmacological effects of curcumin in the control and prevention of several diseases...
October 8, 2016: Cytokine & Growth Factor Reviews
Deepika Aggarwal, Diksha Gautam, Minu Sharma, S K Singla
Bergenin, isolated from Bergenia ligulata is a potent antioxidant and antilithiatic agent. Present work was designed to establish the biochemical role of bergenin on mitochondrial dysfunction in the ethylene glycol induced hyperoxaluric rat model. Bergenin was administrated at a dose of 10mg/kg body wt i.p. from 14th day of establishing the 28 days hyperoxaluria rat model. α-Tocopherol was given as positive control at a dose of 100mg/kg body wt i.p. Mitochondrial dysfunction was studied by evaluating the activities of respiratory chain complexes, mitochondrial membrane potential and reactive oxygen species...
October 5, 2016: European Journal of Pharmacology
Soo Lim, Gha Young Lee, Ho Seon Park, Dong-Hwa Lee, Tae Jung Oh, Kyoung Min Kim, Young-Bum Kim, Hee-Sook Jun, Hak Chul Jang, Kyong Soo Park
AIMS: Enhancement of glucagon-like peptide-1 (GLP-1) reduces glucose levels and preserves pancreatic β-cell function, but its effect against restenosis is unknown. METHODS AND RESULTS: We investigated the effect of subcutaneous injection of exenatide or local delivery of a recombinant adenovirus expressing GLP-1 (rAd-GLP-1) into carotid artery, in reducing the occurrence of restenosis following balloon injury. As a control, we inserted β-galactosidase cDNA in the same vector (rAd-βGAL)...
October 4, 2016: Cardiovascular Research
María Pascual, Jorge Montesinos, Miguel Marcos, Jorge-Luis Torres, Pilar Costa-Alba, Francisco García-García, Francisco-Javier Laso, Consuelo Guerri
Heavy binge drinking in adolescence can cause long-term cognitive and behavioral dysfunctions. Recent experimental evidence indicates the participation of immune system activation in the effects of ethanol in the adolescent brain and suggests gender differences. The present study aims to assess plasma cytokine and chemokine levels in male and female adolescents and young adults during acute alcohol intoxication and to correlate these results with the toll-like receptor 4 (TLR4) response. The potential role of the TLR4 signaling response was also assessed in plasma and prefrontal cortex (PFC) of adolescent wild-type and TLR4-knockout male and female mice with binge ethanol treatment...
October 4, 2016: Addiction Biology
Anuradha Pandey, Santosh Kumar Goru, Almesh Kadakol, Vajir Malek, Nisha Sharma, Anil Bhanudas Gaikwad
Monocyte chemoattractant protein (MCP-1) and transforming growth factor-β (TGF-β1)-markers of inflammation and fibrosis, are central to type 2 diabetic nephropathy (T2DN) progression. ow H2AK119Ub affects the expression of MCP-1 and TGF-β1 and their regulation by Angiotensin II receptor subtypes remains unknown. In the current study, we aimed to study the effect of Angiotensin II receptors' blockade on the macrophage infiltration and histone modifications occurring at the promoter region of Mcp1 and Tgfb1in high fat diet fed and low dose streptozotocin treated male Wistar rats...
September 27, 2016: Biochimie
Zhen-Zhen Guo, Qun-An Cao, Zong-Zhuang Li, Li-Ping Liu, Zhi Zhang, Ya-Juan Zhu, Guang Chu, Qiu-Yan Dai
Nicotine, a major chemical component of cigarettes, plays a pivotal role in the development of abdominal aortic aneurysm (AAA). c-Jun N-terminal kinase (JNK) has been demonstrated to participate in elastase-induced AAA. This study aimed to elucidate whether the JNK inhibitor SP600125 can attenuate nicotine plus angiotensin II- (AngII-) induced AAA formation and to assess the underlying molecular mechanisms. SP600125 significantly attenuated nicotine plus AngII-induced AAA formation. The expression of matrix metalloproteinase- (MMP-) 2, MMP-9, monocyte chemoattractant protein- (MCP-) 1, and regulated-on-activation, normal T-cells expressed and secreted (RANTES) was significantly upregulated in aortic aneurysm lesions but inhibited by SP600125...
2016: Mediators of Inflammation
Suming Xu, Xu Wang, Yaoqin Wang, Susan Lutgendorf, Catherine Bradley, Andrew Schrepf, Karl Kreder, Michael O'Donnell, Yi Luo
Monocyte chemoattractant protein-1 (MCP-1) is one of the key chemokines that play important roles in diverse inflammatory and chronic pain conditions. Interstitial cystitis/bladder pain syndrome (IC/BPS) is a chronic and debilitating inflammatory condition of the urinary bladder characterized by the hallmark symptoms of pelvic pain and voiding dysfunction. To facilitate IC/BPS research, we used transgenic technology to develop a novel urothelial MCP-1 secretion mouse model (URO-MCP-1). A transgene consisting of the uroplakin II gene promoter and the mouse MCP-1 coding sequence with a secretory element was constructed and microinjected...
2016: PloS One
Elise L Donovan, Emma J Buckels, Serina Hancock, Danielle Smeitink, Mark H Oliver, Frank H Bloomfield, Anne L Jaquiery
Twins are often born small and early and have increased risk of obesity and diabetes later in life. Twin conception in sheep, regardless of whether the pregnancy continues as twins or is reduced to singleton in early gestation, alters offspring growth trajectory and body composition in young adulthood. We hypothesized that twin conception would result in insulin resistance in adulthood, with insulin-resistant adipose tissue and skeletal muscle phenotypes. At 3 years of age, body weight was not different among singletons, twins, and reductions; females weighed less than males...
September 27, 2016: Reproductive Sciences
William V Perks, Ravinder K Singh, Gareth W Jones, Jason P Twohig, Anwen S Williams, Ian R Humphreys, Philip R Taylor, Simon A Jones, Eddie C Yern Wang
Death receptor 3 (DR3; TNFRSF25) and its tumor necrosis factor-like ligand TL1A (TNFSF15) control several processes in inflammatory diseases through the expansion of effector T cells and the induction of proinflammatory cytokines from myeloid and innate lymphoid cells. Using wild-type (DR3(+/+)) and DR3-knockout (DR3(-/-)) mice, we show that the DR3/TL1A pathway triggers the release of multiple chemokines after acute peritoneal inflammation initiated by a single application of Staphylococcus epidermidis supernatant, correlating with the infiltration of multiple leukocyte subsets...
September 21, 2016: American Journal of Pathology
Juan Chen, Xue-Feng Hou, Gang Wang, Qing-Xiang Zhong, Ying Liu, Hui-Hui Qiu, Nan Yang, Jun-Fei Gu, Chun-Fei Wang, Li Zhang, Jie Song, Lu-Qi Huang, Xiao-Bin Jia, Ming-Hua Zhang, Liang Feng
ETHNOPHARMACOLOGICAL RELEVANCE: Multiple lines of evidences have suggested that endoplasmic reticulum (ER) stress-related inflammatory responses play a critical role in the pathogenesis of diabetic nephropathy (DN). Moutan Cortex (MC), the root bark of Paeonia suffruticosa Andr., is a well-known traditional Chinese medicine (TCM), which has been used clinically for treating inflammatory diseases in China. The findings from our previous research suggested that terpene glycoside (TG) component of MC possessed favorable anti-inflammatory properties in curing DN...
September 21, 2016: Journal of Ethnopharmacology
AnneMarie Gagnon, Teik C Ooi, Marion Cousins, Colette Favreau, Kathy Henry, Anne Landry, Alexander Sorisky
OBJECTIVE: To determine the effect of (1) an oral fat load and (2) pro-protein convertase subtilisin/kexin type (PCSK) 9 loss-of-function (LOF) variant status on the ability of peripheral blood mononuclear cells (PBMC) to inhibit human adipogenesis. METHODS: PBMC from subjects with one or more PCSK9 LOF variants versus non-variant controls were compared in the fasting state and after an oral fat load. RESULTS: Fasting triglyceride (TG) levels were lower in the LOF variant versus non-variant group but rose to the same level after the oral fat load...
September 24, 2016: Obesity
Kazunori Tamaki, Ayumi Usui-Ouchi, Akira Murakami, Nobuyuki Ebihara
Purpose: The purpose of this study was to investigate whether fibrocytes participate in formation of the fibrovascular membrane (FVM) in patients with proliferative diabetic retinopathy (PDR). Methods: Vitreous fluid and FVM samples were obtained during vitrectomy in patients with PDR. Samples from patients with macular hole or epiretinal membrane were used as controls. Vitreous fluid and FVM samples were subjected to immunohistochemical analysis. In addition, cells isolated from the vitreous fluid of PDR and control patients were cultured in serum-free medium...
September 1, 2016: Investigative Ophthalmology & Visual Science
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