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https://www.readbyqxmd.com/read/28531922/protective-effect-of-averrhoa-bilimbi-l-fruit-extract-on-ulcerative-colitis-in-wistar-rats-via-regulation-of-inflammatory-mediators-and-cytokines
#1
Jagadish Kumar Suluvoy, Sakthivel K M, Guruvayoorappan C, Berlin Grace V M
Ulcerative Colitis (UC) is a lingering type of Inflammatory Bowel Disease (IBD) which affects the colon mucosa. Ulcerative colitis is majorly associated with oxidative stress and inflammation in colon tissue leading to damage. Averrhoa bilimbi L. fruit is rich in antioxidant phytochemicals including Vitamin C. In the current research, we have evaluated the defence mechanism of Averrhoa bilimbi L. on Ulcerative Colitis (UC). Male wistar rats were treated with Averrhoa bilimbi L. fruit extract (50mg/kg/bwt and 100mg/kg/bwt) and a standard drug Sulfasalazine (100mg/kg/bwt) for 6 consecutive days via intra peritoneally...
May 16, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28531845/artesunate-and-erythropoietin-synergistically-improve-the-outcome-of-experimental-cerebral-malaria
#2
Yunting Du, Guang Chen, Xuexing Zhang, Chunyun Yu, Yaming Cao, Liwang Cui
Cerebral malaria (CM) is a severe neurological syndrome in humans and the main fatal cause of malaria. In malaria epidemic regions, despite appropriate anti-malarial treatment, 10-20% of deaths still occur during the acute phase. This is largely attributable to poor treatment access, therapeutic complexity and drug resistance; thus, developing additional clinical adjunctive therapies is an urgent necessity. In this study, we investigated the effect of artesunate (AST) and recombinant human erythropoietin (rhEPO) using an experimental cerebral malaria (ECM) model-C57BL/6 mice infected with Plasmodium berghei ANKA (PbA)...
May 19, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28531802/anti-inflammatory-and-antioxidant-effect-of-cerium-dioxide-nanoparticles-immobilized-on-the-surface-of-silica-nanoparticles-in-rat-experimental-pneumonia
#3
Z Serebrovska, R J Swanson, V Portnichenko, A Shysh, S Pavlovich, L Tumanovska, A Dorovskych, V Lysenko, V Tertykh, Y Bolbukh, V Dosenko
A massage with the potent counter-inflammatory material, cerium dioxide nanoparticles, is promising and the antioxidant properties of CeO2 are considered the main, if not the only, mechanism of this action. Nevertheless, the elimination of ceria nano-particles from the organism is very slow and there is a strong concern for toxic effect of ceria due to its accumulation. To overcome this problem, we engineered a combined material in which cerium nanoparticles were immobilized on the surface of silica nanoparticles (CeO2 NP), which is shown to be easily removed from an organism and could be used as carriers for nano-ceria...
May 19, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28531207/benzo-a-pyrene-activates-interleukin-6-induction-and-suppresses-nitric-oxide-induced-apoptosis-in-rat-vascular-smooth-muscle-cells
#4
Huei-Ping Tzeng, Kuo-Cheng Lan, Ting-Hua Yang, Min-Ni Chung, Shing Hwa Liu
Benzo[a]pyrene, a ubiquitous environmental pollutant, has been suggested to be capable of initiating and/or accelerating atherosclerosis. Accumulation of vascular smooth muscle cells (VSMCs) in vessel intima is a hallmark of atherosclerosis. Nitric oxide (NO) can suppress VSMCs proliferation and induce VSMCs apoptosis. NO plays a compensatory role in the vascular lesions to reduce proliferation and/or accelerate apoptosis of VSMCs. The aim of this study was to investigate whether benzo[a]pyrene can affect VSMCs growth and apoptosis induced by NO...
2017: PloS One
https://www.readbyqxmd.com/read/28529539/jiangtang-decoction-ameliorate-diabetic-nephropathy-through-the-regulation-of-pi3k-akt-mediated-nf-%C3%AE%C2%BAb-pathways-in-kk-ay-mice
#5
Jin-Ni Hong, Wei-Wei Li, Lin-Lin Wang, Hao Guo, Yong Jiang, Yun-Jia Gao, Peng-Fei Tu, Xue-Mei Wang
BACKGROUND: Jiangtang decoction (JTD) is a China patented drug which contains Euphorbia humifusa Willd, Salvia miltiorrhiza Bunge, Astragalus mongholicus Bunge, Anemarrhena asphodeloides Bunge, and Coptis chinensis Franch. For decades, it has also been used clinically to treat diabetic nephropathy (DN) effectively; however, the associated mechanisms remain unknown. Thus, the present study aimed to examine the protective efficacy of JTD in DN and elucidate the underlying molecular mechanisms...
2017: Chinese Medicine
https://www.readbyqxmd.com/read/28529485/hydrostatin-sn1-a-sea-snake-derived-bioactive-peptide-reduces-inflammation-in-a-mouse-model-of-acute-lung-injury
#6
Guosheng Wu, Junjie Wang, Pengfei Luo, An Li, Song Tian, Hailong Jiang, Yongjun Zheng, Feng Zhu, Yiming Lu, Zhaofan Xia
Snake venom has been used for centuries as a traditional Chinese medicine. Hydrostatin-SN1 (H-SN1), a bioactive peptide extracted from the Hydrophis cyanocinctus venom gland T7 phage display library, was reported to have the ability to reduce inflammation in a dextran sulfate sodium-induced murine colitis model. In this study, we sought to investigate the inhibitory potential of H-SN1 on inflammation in a murine model of lipopolysaccharide (LPS)-induced acute lung injury (ALI), and elucidate the anti-inflammatory mechanism in LPS-stimulated RAW 264...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28529245/inhibition-of-nf-%C3%AE%C2%BAb-activation-improves-insulin-resistance-of-l6-cells
#7
Fengyang Xie, Jian Zhu, Baolian Hou, Yuan Wang, Fanzhu Meng, Zhixing Ren, Shuping Ren
To explore the role of NF-κB activation in the development of insulin resistance and investigate whether or not that the inhibition of NF-κB activation by PDTC will improve the insulin resistance of L6 cells exposed to H2O2. L6 cells were treated with H2O2, PDTC or both H2O2 and PDTC for 4 hours. The uptake of glucose with stimulation of insulin, the expression of P38-MAPK, p- P38-MAPK, NF-κBp65, p- NF-κBp65, IRS-1, IRS-2, p-IRS-2, PI3K, IκBα, p- IκBα, caspase-8 and GLUT4, the production of ROS, TNF-α, IL-6 and IL-1β as well as the apoptosis rate of L6 cells were determined and compared in L6 treated with H2O2 alone or both H2O2 and PDTC...
May 20, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28528966/nampt-inhibitor-protects-ischemic-neuronal-injury-in-rat-brain-via-anti-neuroinflammation
#8
Chen-Xiang Chen, Jing Huang, Ga-Qi Tu, Jia-Tong Lu, Xian Xie, Bing Zhao, Ming Wu, Qiao-Juan Shi, San-Hua Fang, Er-Qing Wei, Wei-Ping Zhang, Yun-Bi Lu
Nicotinamide phosphoribosyltransferase (NAMPT) is an important neuroprotective factor in cerebral ischemia, and it has been reported that NAMPT inhibitors can aggravate neuronal injury in the acute phase. However, because it is a cytokine, NAMPT participates in many inflammatory diseases in the peripheral system, and its inhibitors have therapeutic effects. Following cerebral ischemia, the peripheral and resident inflammatory and immune cells produce many pro-inflammatory mediators in the ischemic area, which induce neuroinflammation and impair the brain...
May 18, 2017: Neuroscience
https://www.readbyqxmd.com/read/28528475/effects-of-selenium-supplementation-on-gene-expression-levels-of-inflammatory-cytokines-and-vascular-endothelial-growth-factor-in-patients-with-gestational-diabetes
#9
Mehri Jamilian, Mansooreh Samimi, Faraneh Afshar Ebrahimi, Esmat Aghadavod, Robabeh Mohammadbeigi, Maryam Rahimi, Zatollah Asemi
Selenium is known to exert multiple beneficial effects including anti-inflammatory actions. The aim of the study was to evaluate the effects of selenium supplementation on gene expression levels of inflammatory cytokines and vascular endothelial growth factor (VEGF) in women with gestational diabetes (GDM). This randomized double-blind, placebo-controlled trial was carried out among 40 subjects diagnosed with GDM aged 18-40 years old. Subjects were randomly allocated into two groups to receive either 200 μg/day selenium supplements (n = 20) or placebo (n = 20) for 6 weeks...
May 21, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28528333/effect-of-1-25-oh-2d3-on-proliferation-of-fibroblast-like-synoviocytes-and-expressions-of-pro-inflammatory-cytokines-through-regulating-microrna-22-in-a-rat-model-of-rheumatoid-arthritis
#10
Ping Fan, Lan He, Nan Hu, Jing Luo, Jing Zhang, Ling-Fei Mo, Yan-Hua Wang, Dan Pu, Xiao-Hong Lv, Zhi-Ming Hao, Chang-Hai Ding, Wu-Jun Xue, Yang Li
OBJECTIVE: This study aims to investigate the regulatory mechanism of 1,25-(OH)2D3 on the proliferation of fibroblast-like synoviocytes (FLS) and expressions of pro-inflammatory cytokines in rheumatoid arthritis (RA) rats via microRNA-22 (miR-22). METHODS: A rat model of RA was established with a subcutaneous injection of type II collagen. After treated with different concentrations of 1,25-(OH)2D3 the proliferation of FLS was estimated by the MTT method, and the optimal concentration of 1,25-(OH)2D3 was selected for further experiments...
May 12, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28528178/expanding-biological-activities-of-ts19-frag-ii-toxin-insights-into-il-17-production
#11
Felipe Augusto Cerni, Manuela Berto Pucca, Karina Furlani Zoccal, Fabiani Gai Frantz, Lucia Helena Faccioli, Eliane Candiani Arantes
Tityus serrulatus (Ts) venom is composed of a mixture of toxins presenting diverse biological functions. However, although this venom has been studied over the past three decades, omics analysis revealed that most of its toxins are not identified or their biological activities are unknown. Ts19 Frag-II is included is this group, which function is still uncertain. This study aimed to expand the biological activities of Ts19 Frag-II through in vivo investigation. Our results demonstrates that mice challenged with Ts19 Frag-II presented biochemical alterations, increasing serum levels of urea, ALT and β-globulin, besides decreasing γ-globulins...
May 17, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28526774/preliminary-evaluation-of-cytosine-phosphate-guanine-oligodeoxynucleotides-bound-to-gelatine-nanoparticles-as-immunotherapy-for-canine-atopic-dermatitis
#12
I Wagner, K J Geh, M Hubert, G Winter, K Weber, J Classen, C Klinger, R S Mueller
Cytosine-phosphate-guanine oligodeoxynucleotides (CpG ODN) are a promising new immunotherapeutic treatment option for canine atopic dermatitis (AD). The aim of this uncontrolled pilot study was to evaluate clinical and immunological effects of gelatine nanoparticle (GNP)-bound CpG ODN (CpG GNP) on atopic dogs. Eighteen dogs with AD were treated for 8 weeks (group 1, n=8) or 18 weeks (group 2, n=10). Before inclusion and after 2 weeks, 4 weeks, 6 weeks (group 1+2), 8 weeks, 12 weeks and 16 weeks (group 2) 75 µg CpG ODN/dog (bound to 1...
May 19, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28526609/effects-of-l-dopa-benserazide-co-treatment-on-colonic-excitatory-cholinergic-motility-and-enteric-inflammation-following-dopaminergic-nigrostriatal-neurodegeneration
#13
C Pellegrini, L Antonioli, R Colucci, E Tirotta, D Gentile, C Ippolito, C Segnani, G Levandis, S Cerri, R F Blandini, E Barocelli, V Ballabeni, N Bernardini, C Blandizzi, M Fornai
INTRODUCTION: The mainstay therapy for Parkinson's disease (PD) relies on L-3,4- dihydroxyphenylalanine (L-DOPA) plus a DOPA-decarboxylase inhibitor. However, their effects on colonic dysmotility and inflammation observed in PD are undetermined. This study examined the effects of L-DOPA plus benserazide (BE) on colonic motility and inflammation in rats with central nigrostriatal dopaminergic denervation. METHODS: Neurodegeneration was induced by 6-hydroxydopamine (6-OHDA) injection into the median forebrain bundle (MFB)...
May 16, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28526328/acrylamide-induced-neurotoxicity-in-primary-astrocytes-and-microglia-roles-of-the-nrf2-are-and-nf-%C3%AE%C2%BAb-pathways
#14
Mengyao Zhao, Fu Sheng Lewis Wang, Xiaosong Hu, Fang Chen, Hing Man Chan
Acrylamide (AA) is a common food contaminant formed during food heat processing that has neurotoxic effects. We hypothesize that AA induces oxidative stress in astrocytes and microglia, leading to neurotoxicity. Oxidative status, translocation of Nrf2 and NF-κB, and related down-stream targets were measured in primary astrocytes and microglia obtained from BALB/c mice. The results showed that AA increased reactive oxygen species (ROS) formation and reduced glutathione levels, causing successive events associated with oxidative stress, including 4-hydroxynonenal and 8-hydroxy-2-deoxyguanosine adduct formation, in both cell types...
May 16, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28525856/oleuropein-prevents-the-development-of-experimental-autoimmune-myocarditis-in-rats
#15
Jia-Ying Zhang, Zheng Yang, Kun Fang, Zhan-Li Shi, Dan-Hong Ren, Jing Sun
Oleuropein (OLE) is a natural secoiridoid that is derived from Olea europaea. OLE possesses cardioprotective effects in experimental models of hypertension, myocardial infarction, atherosclerosis and hyperlipidaemia. In the present study, the effects of OLE on experimental autoimmune myocarditis (EAM) were evaluated. EAM in rats were induced by subcutaneous injections of porcine cardiac myosin. Cardiac function parameters, myocardial pathology, myocardial inflammatory cell infiltration and nuclear factor kappa-B (NF-κB) expression were measured...
May 16, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28525674/continuous-hemoadsorption-with-a-cytokine-adsorber-during-sepsis-a-review-of-the-literature
#16
Khosrow S Houschyar, Malcolm N Pyles, Susanne Rein, Ina Nietzschmann, Dominik Duscher, Zeshaan N Maan, Kristian Weissenberg, Hubertus M Philipps, Catharina Strauss, Beate Reichelt, Frank Siemers
Sepsis is a well-recognized healthcare issue worldwide, ultimately resulting in significant mortality, morbidity and resource utilization during and after critical illness. In its most severe form, sepsis causes multi-organ dysfunction that produces a state of critical illness characterized by severe immune dysfunction and catabolism. Sepsis induces the activation of complement factor via 3 pathways and the release of inflammatory cytokines such as tumor necrosis factor alpha (TNF-α) and interleukin-1beta (IL-1β), resulting in a systemic inflammatory response...
May 19, 2017: International Journal of Artificial Organs
https://www.readbyqxmd.com/read/28524802/effects-of-occupational-silica-exposure-on-oxidative-stress-and-immune-system-parameters-in-ceramic-workers-in-turkey
#17
Hatice Gul Anlar, Merve Bacanli, Servet İritaş, Ceylan Bal, Türker Kurt, Engin Tutkun, O Hinc Yilmaz, Nursen Basaran
Silica is the second most common element after oxygen, and therefore, exposures to crystalline silica dust occur in a large variety of occupations such as metal foundries, constructions, and ceramic, quarry, and pottery industries. Since crystalline silica exposure has been linked with silicosis, lung cancer, and other pulmonary diseases, adverse effect attributed to this element has be a cause for concern worldwide. Silica dust exposure in workers is still considered to be important health problem especially in developing countries...
May 19, 2017: Journal of Toxicology and Environmental Health. Part A
https://www.readbyqxmd.com/read/28524642/polydatin-reduces-staphylococcus-aureus-lipoteichoic-acid-induced-injury-by-attenuating-reactive-oxygen-species-generation-and-tlr2-nf%C3%AE%C2%BAb-signalling
#18
Gan Zhao, Kangfeng Jiang, Haichong Wu, Changwei Qiu, Ganzhen Deng, Xiuli Peng
Staphylococcus aureus (S. aureus) causes severe inflammation in various infectious diseases, leading to high mortality. The clinical application of antibiotics has gained a significant curative effect. However, it has led to the emergence of various resistant bacteria. Therefore, in this study, we investigated the protective effect of polydatin (PD), a traditional Chinese medicine extract, on S. aureus lipoteichoic acid (LTA)-induced injury in vitro and in vivo. First, a significant improvement in the pathological conditions of PD in vivo was observed, suggesting that PD had a certain protective effect on LTA-induced injury in a mouse model...
May 19, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28524081/protective-effects-of-tormentic-acid-a-major-component-of-suspension-cultures-of-eriobotrya-japonica-cells-on-acetaminophen-induced-hepatotoxicity-in-mice
#19
Wen-Ping Jiang, Shyh-Shyun Huang, Yoshikazu Matsuda, Hiroshi Saito, Naoto Uramaru, Hui-Ya Ho, Jin-Bin Wu, Guan-Jhong Huang
An acetaminophen (APAP) overdose can cause hepatotoxicity and lead to fatal liver damage. The hepatoprotective effects of tormentic acid (TA) on acetaminophen (APAP)-induced liver damage were investigated in mice. TA was intraperitoneally (i.p.) administered for six days prior to APAP administration. Pretreatment with TA prevented the elevation of serum aspartate aminotransferase (AST), alanine aminotransferase (ALT), total bilirubin (T-Bil), total cholesterol (TC), triacylglycerol (TG), and liver lipid peroxide levels in APAP-treated mice and markedly reduced APAP-induced histological alterations in liver tissues...
May 18, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28524025/-effect-of-esmolol-on-hemodynamics-and-clinical-outcomes-in-patients-with-septic-shock
#20
Shupeng Wang, Min Li, Jun Duan, Li Yi, Xu Huang, Desheng Chen, Gang Li
OBJECTIVE: To evaluate the effect of heart rate control with esmolol on hemodynamics, inflammatory cytokines and clinical outcomes in patients with septic shock. METHODS: A prospective randomized controlled trial was conducted. The patients with septic shock admitted to Department of Critical Care Medicine of China-Japan Friendship Hospital from August 2014 to October 2016 were enrolled. After 24 hours of resuscitation and other therapy, they were randomly divided into two groups by sealed envelope...
May 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
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