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https://www.readbyqxmd.com/read/28811749/acute-cocoa-flavanols-intake-has-minimal-effects-on-exercise-induced-oxidative-stress-and-nitric-oxide-production-in-healthy-cyclists-a-randomized-controlled-trial
#1
Lieselot Decroix, Cajsa Tonoli, Danusa Dias Soares, Amandine Descat, Marie-José Drittij-Reijnders, Antje R Weseler, Aalt Bast, Wilhelm Stahl, Elsa Heyman, Romain Meeusen
BACKGROUND: Cocoa flavanols (CF) can stimulate vasodilation by improved nitric oxide (NO) synthesis and have antioxidant and anti-inflammatory capacities. This study aimed to examine whether acute CF intake can affect exercise-induced changes in antioxidant capacity, oxidative stress, inflammation and NO production, as well as exercise performance and recovery in well-trained cyclists. METHODS: Twelve well-trained male cyclists (mean ± SD age, VO2max: 30 ± 3 years, 63...
2017: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/28811686/influence-of-the-flavonoid-quercetin-on-antioxidant-status-lipid-peroxidation-and-histopathological-changes-in-hyperammonemic-rats
#2
Sivamani Kanimozhi, Pakkiri Bhavani, Perumal Subramanian
We have studied the ability of quercetin (a bioflavonoid) in tackling oxidative stress to alleviate the symptoms during ammonium chloride-induced hyperammonemia. Hyperammonemia was induced by the treatment of ammonium chloride (AC) 100 mg/kg b.w for 56 days. Hyperammonemic rats exhibited reduced urea (in plasma) and increased ammonia (in blood), uric acid (in plasma), creatinine (in serum), oxidative stress markers (thiobarbituric acid reactive substances (TBARS) and hydroperoxides (HP) and decreased levels of antioxidants (enzymatic and non-enzymatic) superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx), reduced glutathione (GSH) in plasma and tissues (liver and brain) vitamins E and C (in plasma))...
July 2017: Indian Journal of Clinical Biochemistry: IJCB
https://www.readbyqxmd.com/read/28811678/patchoulene-epoxide-isolated-from-patchouli-oil-suppresses-acute-inflammation-through-inhibition-of-nf-%C3%AE%C2%BAb-and-downregulation-of-cox-2-inos
#3
Jia-Li Liang, Jia-Zhen Wu, Yu-Hong Liu, Zhen-Biao Zhang, Qi-Duan Wu, Han-Bin Chen, Yan-Feng Huang, Yao-Xing Dou, Jiang-Tao Zhou, Zi-Ren Su, Janis Ya-Xian Zhan
According to the GC-MS analysis, compositional variation was observed between samples of patchouli oil, of which an unknown compound identified as patchoulene epoxide (PAO) was found only in the long-stored oil, whose biological activity still remains unknown. Therefore, the present study aimed to evaluate the potential anti-inflammatory activity with three in vivo inflammatory models: xylene-induced ear edema, acetic acid-induced vascular permeability, and carrageenan-induced paw edema. Further investigation into its underlying mechanism on carrageenan-induced paw edema was conducted...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28811236/interleukin-26-is-overexpressed-in-beh%C3%A3-et-s-disease-and-enhances-th17-related-cytokines
#4
Wajih Kaabachi, Eya Bouali, Anissa Berraïes, Imen Ben Dhifallh, Besma Hamdi, Kamel Hamzaoui, Agnès Hamzaoui
Behçet's disease (BD) is a multi-systemic inflammatory disorder characterized by the "triple symptom complex". Several pro-inflammatory cytokines, mainly derived from the immune Th17 axis, seem to be involved in different pathogenic pathways leading to development of the clinical manifestations. Here, we have analyzed the expression and role of IL-26 in active BD patients, an inflammatory disorder characterized by bronchoalveolar lavage fluid (BAL) and in cerebrospinal fluid (CSF) inflammation. On this basis, the primary aim of our work was to study IL-26 levels in serum, BAL CSF) from active BD patients...
August 12, 2017: Immunology Letters
https://www.readbyqxmd.com/read/28810809/optimization-of-human-nk-cell-manufacturing-fully-automated-separation-improved-i-ex-vivo-i-expansion-using-il-21-with-autologous-feeder-cells-and-generation-of-anti-cd123-car-expressing-effector-cells
#5
Stephan Klöß, Olaf Oberschmidt, Michael Morgan, Julia Dahlke, Lubomir Arseniev, Volker Huppert, Markus Granzin, Tanja Gardlowski, Nadine Matthies, Stefanie Soltenborn, Axel Schambach, Ulrike Koehl
BACKGROUND AND AIMS: The administration of ex-vivo expanded Natural killer (NK) cells as potential antitumor effector cells appears to be suitable for effector cell-based immunotherapies in high-risk cancer patients. However, the GMP-conform manufacturing of clinical-grade NK cells at sufficiently high numbers represent a great challenge. Therefore, we improved and optimized previous expansion protocols for those effector cells through the use of newly developed culture medium, IL-21 and autologous feeder cells...
August 16, 2017: Human Gene Therapy
https://www.readbyqxmd.com/read/28810635/curcumin-protects-against-acute-renal-injury-by-suppressing-jak2-stat3-pathway-in-severe-acute-pancreatitis-in-rats
#6
Shuaijun Zhu, Chi Zhang, Qinyong Weng, Bing Ye
The aim of the present study was to investigate the effect of curcumin on acute renal injury in a rat model of severe acute pancreatitis (SAP). A SAP model with acute kidney injury was established in rats by retrograde injection of 5% sodium taurocholate into the pancreatic duct. The serum amylase, creatinine (Cr) and blood urea nitrogen (BUN) levels in rats were measured. Hematoxylin and eosin staining was used to assess pancreatic and renal histological changes. Serum tumor necrosis factor (TNF)-α and interleukin (IL)-6 levels were measured using ELISA kits...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28810630/selective-depletion-of-cultured-macrophages-by-magnetite-nanoparticles-modified-with-gelatin
#7
Yoshihiro Komohara, Ryuta Kawauchi, Erika Makiyama, Kazuki Mikami, Hasita Horlad, Yukio Fujiwara, Tetsuya Kida, Motohiro Takeya, Takuro Niidome
Previous studies have indicated pro-tumor functions of macrophages in tumor progression in different types of malignant tumors. The detailed mechanisms of cell-cell interaction between macrophages and tumor cells have been investigated by means of in vitro co-culture experiments. The present study developed magnetite nanoparticles modified with gelatin that are specifically engulfed by macrophages and investigated methods to deplete these macrophages in co-culture experiments using a magnet. T98G glioma cell line and human monocyte-derived macrophages were mixed and co-cultured for 2 days...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28810626/expression-of-synovial-fluid-biomarkers-in-patients-with-knee-osteoarthritis-and-meniscus-injury
#8
Jian Ding, Xin Niu, Yan Su, Xiaolin Li
In the present study, the levels of synovial fluid biomarkers of patients with knee osteoarthritis (OA) and those with meniscus injury (MI) were compared to associate the levels of synovial fluid biomarkers with the degree of OA and MI. Synovial fluid samples were obtained from 51 cases with OA and 40 patients with MI. Severity of OA and MI were evaluated using the Kellgren-Lawrence (K-L) classification and Magnetic Resonance Imaging Osteoarthritis Knee Score, respectively. A comparative analysis of the levels of matrix metalloproteinase-13 (MMP-13), vascular endothelial growth factor (VEGF), interleukin (IL)-10, IL-8, IL-6, IL-1, tumor necrosis factor-α (TNF-α), as well as collagenase 2 in synovial fluid was made between patients with OA and MI...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28810624/high-mobility-group-box-1-protein-attenuates-myocardial-ischemia-reperfusion-injury-via-inhibition-of-the-p38-mitogen-activated-protein-kinase-signaling-pathway
#9
Yan-Hong Zhou, Qian-Feng Han, Lan-Hua Wang, Tao Liu, Xiao-Yan Meng, Lei Wu, Tai Li, Yue-Ru Jiao, Heng-Chen Yao, De-Yong Zhang
The present study aimed to determine the effects of high mobility group box 1 protein (HMGB1) on myocardial ischemia reperfusion (I/R) injury in rats following acute myocardial ischemia and investigate the underlying molecular mechanisms of these effects. Male Wistar rats were randomly divided into the following groups (n=10/group): Sham operation; I/R; HMGB50 (50 ng/kg HMGB1 before I/R); HMGB100 (100 ng/kg HMGB1 before I/R); and HMGB200 (200 ng/kg HMGB1 before I/R). Serum cardiac troponin I (cTnI), interleukin (IL)-6 and tumor necrosis factor (TNF)-α levels were subsequently measured...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28810598/differentially-methylated-regions-in-patients-with-rheumatic-heart-disease-and-secondary-pulmonary-arterial-hypertension
#10
Dawei Zheng, Xiaoying Chen, Ni Li, Lebo Sun, Qingyun Zhou, Huoshun Shi, Guodong Xu, Jing Liu, Limin Xu, Shiwei Duan, Guofeng Shao
The aim of the present study was to identify differentially methylated regions (DMRs) in patients with rheumatic heart disease and secondary pulmonary arterial hypertension (RHD-PAH). A genome-wide DNA methylation assay was performed between 6 patients with RHD-PAH and 6 healthy controls using an Illumina Infinium HumanMethylation450 BeadChip kit. The Limma software package was subsequently used to identify significant DMRs. A total of 40 hypome-thylated and 64 hypermethylated CpG sites were identified between the RHD-PAH group and the control group...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28810589/phenotypic-switch-in-lung-interstitial-macrophage-polarization-in-an-ovalbumin-induced-mouse-model-of-asthma
#11
Hanxiang Nie, Ailing Wang, Qing He, Qiaoyu Yang, Linlin Liu, Guqin Zhang, Yi Huang, Xuhong Ding, Hongying Yu, Suping Hu
Macrophage phenotype and function varies according to their polarized state, which in turn is dependent on microenvironmental stimuli. Under normal physiological conditions, lung interstitial macrophages that express interleukin (IL)-10 are considered to serve regulatory roles in the prevention of allergic reactions in the airways. However, the phenotypic profile of lung interstitial macrophages during the pathophysiology of asthma remains unknown. In the current study, the phenotypic characteristics of lung interstitial macrophages were investigated in an ovalbumin (OVA)-induced mouse model of asthma...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28810554/beneficial-effects-of-dried-pomegranate-juice-concentrated-powder-on-ultraviolet-b-induced-skin-photoaging-in-hairless-mice
#12
Su-Jin Kang, Beom-Rak Choi, Seung-Hee Kim, Hae-Yeon Yi, Hye-Rim Park, Chang-Hyun Song, Sae-Kwang Ku, Young-Joon Lee
The present study investigated the anti-aging effects of pomegranate juice concentrated powder (PCP) in hairless mice following 15 weeks of UVB irradiation (three times a week; 0.18 J/cm(2)). Skin moisturizing effects were evaluated through skin water, collagen type I and hyaluronan contents, as well as collagen type I and hyaluronan synthesis-related transcript levels. Wrinkle formation and edema scores (skin weights) were also assessed, along with skin matrix metalloproteinase (MMP)-1, MMP-9 and MMP-13 transcript levels...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28810543/atorvastatin-has-a-protective-effect-in-a-mouse-model-of-bronchial-asthma-through-regulating-tissue-transglutaminase-and-triggering-receptor-expressed-on-myeloid-cells-1-expression
#13
Ming-Wei Liu, Rong Liu, Hai-Ying Wu, Mei Chen, Min-Na Dong, Yun-Qiao Huang, Chun-Hai Zhang, Yin-Zhong Wang, Jing Xia, Yang Shi, Feng-Mei Xie, Hua Luo, Xin-Yuan Zhao, Wei Wei, Mei-Xian Su
Airway remodeling in asthma contributes to airway hyperreactivity, loss of lung function and persistent symptoms. Current therapies do not adequately treat the structural airway changes associated with asthma. Statin drugs have improved respiratory health and their therapeutic potential in asthma has been tested in clinical trials. However, the mechanism of action of statins in this context has remained elusive. The present study hypothesized that atorvastatin treatment of ovalbumin-exposed mice attenuates early features of airway remodeling via a mevalonate-dependent mechanism...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28809783/role-of-omentin-vaspin-cardiotrophin-1-tweak-and-nov-ccn3-in-obesity-and-diabetes-development
#14
REVIEW
Xavier Escoté, Saioa Gómez-Zorita, Miguel López-Yoldi, Iñaki Milton-Laskibar, Alfredo Fernández-Quintela, J Alfredo Martínez, María J Moreno-Aliaga, María P Portillo
Adipose tissue releases bioactive mediators called adipokines. This review focuses on the effects of omentin, vaspin, cardiotrophin-1, Tumor necrosis factor-like Weak Inducer of Apoptosis (TWEAK) and nephroblastoma overexpressed (NOV/CCN3) on obesity and diabetes. Omentin is produced by the stromal-vascular fraction of visceral adipose tissue. Obesity reduces omentin serum concentrations and adipose tissue secretion in adults and adolescents. This adipokine regulates insulin sensitivity, but its clinical relevance has to be confirmed...
August 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28809447/pulmonary-delivery-of-tea-tree-oil-%C3%AE-cyclodextrin-inclusion-complexes-for-the-treatment-of-fungal-and-bacterial-pneumonia
#15
Miao Li, Lifei Zhu, Tongtong Zhang, Boming Liu, Lina Du, Yiguang Jin
OBJECTIVES: Bacterial pneumonia is a common cause of death worldwide. Tea tree oil (TTO) is a potent antimicrobial natural product, which is formulated in dry powder inhalers (DPIs) for the treatment of fungal and bacterial pneumonia. METHODS: Tea tree oil-β-cyclodextrin inclusion complexes (TTO-β-CD) were prepared and characterized. Aerodynamic properties of TTO-β-CD powders were measured. The rat models of fungal (Candida albicans) and bacterial (Acinetobacter baumannii) pneumonia were prepared...
August 15, 2017: Journal of Pharmacy and Pharmacology
https://www.readbyqxmd.com/read/28808975/isolation-of-group-2-innate-lymphoid-cells-from-mouse-lungs
#16
Claudia U Duerr, Jörg H Fritz
The recently described group 2 innate lymphoid cells (ILC2) exert critical roles in type 2 immune responses, epithelial repair at mucosal tissues and metabolic homeostasis. ILC2 release large amounts of type 2 cytokines such as interleukin 4 (IL-4), IL-5, and IL-13, driving type 2 immunity such as the defense against helminths. However, if not tightly regulated ILC2 can trigger unwanted type 2 immunopathologies including allergic airway inflammation, airway hyper-responsiveness, and atopic dermatitis. Viral respiratory tract infections, archetypal triggers of type 1 immune responses, often give rise to pulmonary type 2 immunopathologies such as asthma and asthma exacerbations...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28808406/peimine-inhibits-the-production-of-proinflammatory-cytokines-through-regulation-of-the-phosphorylation-of-nf-%C3%AE%C2%BAb-and-mapks-in-hmc-1-cells
#17
Ji Hye Park, Bina Lee, Hyun Kab Kim, Eun-Young Kim, Jae-Hyun Kim, Ju-Hee Min, Sunkook Kim, Youngjoo Sohn, Hyuk-Sang Jung
BACKGROUND: Peimine is a major biologically active component of Fritillaria ussuriensis. Peimine was investigated in chronic inflammation response, but it has not been studied in mast cell-related immediate allergic reaction. The present study aimed to evaluate anti-allergic effect of peimine in human mast cell (HMC-1). MATERIALS AND METHODS: The effect of peimine on cell viability was measured by MTS assay in HMC-1. Histamine release was investigated in rat peritoneal mast cells (RPMCs)...
July 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28808377/anti-inflammatory-potential-of-petiveria-alliacea-on-activated-raw264-7-murine-macrophages
#18
Rosa Martha Perez Gutierrez, Carlos Hoyo-Vadillo
BACKGROUND: Defense and protection to multiple harmful stimuli are the inflammation, when is self-amplified and uncontrolled is the basis of the pathogenesis of a wide variety of inflammatory illness. The aim of this study was to evaluate if Petiveria alliacea could attenuate inflammation in a murine model of RAW264 macrophages the involved model and its involved mechanism. MATERIALS AND METHODS: The ethanol extract from P. alliacea was precipitated with water and supernatant was used for this study (PW)...
July 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28808361/interleukin-6-an-early-predictive-marker-for-severity-of-acute-pancreatitis
#19
Shilpa A Rao, Aditya R Kunte
BACKGROUND AND AIMS: Interleukin (IL)-6, IL-8, IL-10, and C-reactive protein (CRP) have been evaluated for predicting outcomes of acute pancreatitis. However, there is considerable variation in their performance among different studies. We evaluate their accuracy in predicting progression to severe pancreatitis. MATERIALS AND METHODS: Serum IL-6, IL-8, IL-10, and CRP levels were measured within 24 h of admission in forty patients of clinically predicted severe acute pancreatitis (SAP)...
July 2017: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/28807785/blocking-the-cd38-cadpr-pathway-plays-a-double-edge-role-in-lps-stimulated-microglia
#20
Yi-Min Wang, Zhi-Yong Liu, Yu-Hang Ai, Li-Na Zhang, Yu Zou, Qian-Yi Peng
Whether the CD38/ cyclic ADP-ribose (cADPR) pathway plays a protective or detrimental role in neuroinflammation remains controversial. This study aimed to determine the role of CD38 in neuroinflammation using lipopolysaccharide (LPS)-stimulated BV2 microglial cells and co-cultured Neuro-2a (N2a) cells. In monoculture experiments, BV2 cells were divided into control, CD38 interference (CD38Ri), negative control (NC), LPS, CD38Ri+LPS, NC+LPS and 8-Br-cADPR+LPS groups. In co-culture experiments, N2a cells were co-cultured with BV2 cells for 48 h...
August 11, 2017: Neuroscience
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