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https://www.readbyqxmd.com/read/28926925/roxatidine-attenuates-degradation-of-extracellular-matrix
#1
Renhao Ze, Shangyu Wang, Mao Xie, Bo Zhang, Xin Tang, Jin Li
Degradation of extracellular matrix such as type II collagen and aggrecan induced by proinflammatory cytokines has been considered as an important hallmark of Osteoarthritis (OA). Roxatidine is a licensed specific competitive H (2) -receptor antagonist used for the treatment of gastric and duodenal ulcers. The pharmacological function of roxatidine on Osteoarthritis (OA) remains unknown. In the current study, we report that roxatidine attenuated TNF-α- induced degradation of type II collagen by suppressing the expression of MMP-3 and MMP-13 in human chondrosarcoma cell line SW1353 cells...
September 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28926923/involvement-of-mapk-nf-%C3%AE%C2%BAb-signal-transduction-pathways-camellia-japonica-mitigates-inflammation-and-gastric-ulcer
#2
Md Rashedunnabi Akanda, Byung-Yong Park
Gastric ulcer is an important risk factor for human health globally. Camellia japonica (CJ) is a plant of which the fruits are used as traditional phytomedicine for inflammatory and immunomodulatory diseases; however, the underlying molecular mechanism has not been clarified. The present study aimed to investigate the immunopharmacological activities of Camellia japonica and validate its pharmacological targets. To evaluate the protective roles of Camellia japonica on LPS-induced inflammation in RAW 264.7 cells and HCl/EtOH-induced gastric ulcer in mice; we applied 3-(4,5-dimethyl-thiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT), nitric oxide (NO), reactive oxygen species (ROS), histopathology, malondialdehyde (MDA), quantitative real-time polymerase chain reaction (qPCR), immunohistochemistry (IHC), and western blot analyses...
September 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28926603/scavenging-of-reactive-oxygen-species-by-astaxanthin-inhibits-epithelial-mesenchymal-transition-in-high-glucose-stimulated-mesothelial-cells
#3
Kazuaki Hara, Chieko Hamada, Keiichi Wakabayashi, Reo Kanda, Kayo Kaneko, Satoshi Horikoshi, Yasuhiko Tomino, Yusuke Suzuki
BACKGROUND: High glucose concentrations influence the functional and structural development of the peritoneal membrane. We previously reported that the oral administration of astaxanthin (AST) suppressed peritoneal fibrosis (PF) as well as inhibited oxidative stress, inflammation, and epithelial-mesenchymal transition (EMT) of peritoneal mesothelial cells (PMCs) in a chlorhexidine-induced PF rat model. This suggests that oxidative stress induction of EMT is a key event during peritoneal damage...
2017: PloS One
https://www.readbyqxmd.com/read/28926473/hydrogen-gas-attenuates-sevoflurane-neurotoxicity-through-inhibiting-nuclear-factor-%C3%AE%C2%BA-light-chain-enhancer-of-activated-b-cells-signaling-and-proinflammatory-cytokine-release-in-neonatal-rats
#4
Yiwei Shi, Gang Wang, Jinyuan Li, Wenli Yu
Anesthesia neurotoxicity in developing brain has gained increasing attention. However, knowledge regarding its mitigating strategies remains scant. Sevoflurane, a commonly used anesthetic, is responsible for learning and memory deficits in neonates. Molecular hydrogen is reported to be a potential neuroprotective agent because of its antioxidative and anti-inflammatory activities. This study aimed to investigate the effect of hydrogen gas on sevoflurane neurotoxicity. The newborn rats were treated with sevoflurane and/or hydrogen gas for 2 h...
September 18, 2017: Neuroreport
https://www.readbyqxmd.com/read/28925992/efficacy-of-combining-ing4-and-trail-genes-in-cancer-targeting-gene-virotherapy-strategy-first-evidence-in-preclinical-hepatocellular-carcinoma
#5
A G El-Shemi, A M Ashshi, E Oh, B-K Jung, M Basalamah, A Alsaegh, C-O Yun
Current treatments of hepatocellular carcinoma (HCC) are ineffective and unsatisfactory in many aspects. Cancer-targeting gene virotherapy using oncolytic adenoviruses (OAds) armed with anticancer genes has shown efficacy and safety in clinical trials. Nowadays, both inhibitor of growth 4 (ING4); as a multimodal tumor suppressor gene, and tumor necrosis factor-related apoptosis-inducing ligand (TRAIL); as potent-apoptosis inducing gene, are experiencing a renaissance in cancer gene therapy. Herein we investigated the antitumor activity and safety of mono-and combined therapy with OAds armed with ING4 (Ad-ΔB/ING4) and TRAIL (Ad-ΔB/TRAIL) gene, respectively, on preclinical models of human HCC...
September 19, 2017: Gene Therapy
https://www.readbyqxmd.com/read/28925102/continued-alcohol-misuse-in-human-cirrhosis-is-associated-with-an-impaired-gut-liver-axis
#6
Jasmohan S Bajaj, Genta Kakiyama, Derrick Zhao, Hajime Takei, Andrew Fagan, Phillip Hylemon, Huiping Zhou, William M Pandak, Hiroshi Nittono, Oliver Fiehn, Nita Salzman, Mary Holtz, Pippa Simpson, Edith A Gavis, Douglas M Heuman, Runping Liu, Dae Joong Kang, Masoumeh Sikaroodi, Patrick M Gillevet
BACKGROUND: Cirrhosis and alcohol can independently affect the gut-liver axis with systemic inflammation. However their concurrent impact in humans is unclear. AIM: Determine the effect of continued alcohol misuse on the gut-liver axis in cirrhotic patients. METHODS: Age and MELD-balanced cirrhotic patients who were currently drinking (Alc) or abstinent (NAlc), and healthy controls underwent serum and stool collection. A subset underwent upper endoscopy and colonoscopy for biopsies and duodenal fluid collection...
September 19, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28923648/octreotide-ameliorates-renal-ischemia-reperfusion-injury-via-antioxidation-and-anti-inflammation
#7
Z Xu, K Zhao, P Han, X Qi, W Zhang, T Niu
Oxidative stress, calcium overload, inflammation, cellular necrosis, and apoptosis are implicated in renal ischemic/reperfusion injury (RIRI). Because octreotide (OCT) is protective in retinal IRI, the effect of OCT on mouse RIRI and the mechanisms involved were investigated. The RIRI model was induced in male C57BL/6 mice, and the mice were then treated with saline or OCT. Serum and kidneys were subjected to periodic acid-Schiff staining, terminal deoxynucleotidyl transferase dUTP nick end labeling assay, enzyme-linked immunosorbent assay, western blotting, and immunohistochemistry...
October 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28923543/selective-glucocorticoid-receptor-modulation-inhibits-cytokine-responses-in-a-canine-model-of-mild-endotoxemia
#8
J Bartko, U Derhaschnig, T Neels, G H Nabozny, C Harcken, J Leuschner, F De Vries, B Jilma
Selective glucocorticoid receptor modulators (GRMs) promise to reduce adverse events of glucocorticoids while maintaining anti-inflammatory potency. The present study tested the anti-inflammatory activity of two novel non-steroidal GRMs (GRM1: BI 607812 BS, GRM2: BI 653048 BS*H3PO4) in comparison to prednisolone in a canine model of low dose endotoxemia. This study compared the anti-inflammatory and pharmacokinetic profile of escalating daily oral doses of GRM1 (1, 2.5, 5 and 10mg/kg) and GRM2 (0.1, 0.25 and 1mg/kg) with prednisolone (0...
September 15, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28923390/tnf-%C3%AE-and-il-6-inhibitors-conjugates-of-n-substituted-indole-and-aminophenylmorpholin-3-one-as-anti-inflammatory-agents
#9
Palwinder Singh, Sukhmeet Kaur, Anuradha Sharma, Gurcharan Kaur, Rajbir Bhatti
The conjugates obtained by the combination of indole and aminophenyl morpholinone were screened for TNF-α and IL-6 inhibition in microglial cells. Compound 4 was found to be the most potent anti-inflammatory agent as it reduced LPS induced level of inflammatory cytokines TNF-α and IL-6 by 71% and 53%, respectively. A significant decrease in NO and MMPs release from BV2 cells in culture pretreated with this compound as well as inhibition of nuclear translocation of NF-κB and AP-1 was observed. 75% inhibition of acetic acid induced algesia in swiss albino mice was noticed in the presence of compound 4...
September 4, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28923363/anti-inflammatory-effects-of-flavonoids-in-neurodegenerative-disorders
#10
Carmela Spagnuolo, Stefania Moccia, Gian Luigi Russo
Neuroinflammation is one of the main mechanisms involved in the progression of several neurodegenerative diseases, such as Parkinson, Alzheimer, multiple sclerosis, amyotrophic lateral sclerosis and others. The activation of microglia is the main feature of neuroinflammation, promoting the release of pro-inflammatory cytokines and resulting in the progressive neuronal cell death. Natural compounds, such as flavonoids, possess neuroprotective potential probably related to their ability to modulate the inflammatory responses involved in neurodegenerative diseases...
September 7, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28923269/dpp-4-inhibition-protects-human-umbilical-vein-endothelial-cells-from-hypoxia-induced-vascular-barrier-impairment
#11
Naoko Hashimoto, Kento Ikuma, Yui Konno, Masanori Hirose, Hiroyuki Tadokoro, Hiroshi Hasegawa, Yoshio Kobayashi, Hiroyuki Takano
Dipeptidyl peptidase-4 (DPP-4) inhibitors are relatively new class of anti-diabetic drugs. Some protective effects of DPP-4 on cardiovascular disease have been described independently from glucose-lowering effect. However, the detailed mechanisms by which DPP-4 inhibitors exert on endothelial cells remain elusive. The purpose of this research was to determine the effects of DPP-4 inhibitor on endothelial barrier function. Human umbilical vein endothelial cells (HUVECs) were cultured and exposed to hypoxia in the presence or absence of Diprotin A, a DPP-4 inhibitor...
August 26, 2017: Journal of Pharmacological Sciences
https://www.readbyqxmd.com/read/28922721/hydroalcoholic-extract-of-stevia-rebaudiana-bert-leaves-and-stevioside-ameliorates-lipopolysaccharide-induced-acute-liver-injury-in-rats
#12
Latha S, Sheetal Chaudhary, Ray R S
Oxidative stress and hepatic inflammatory response is primarily implicated in the pathogenesis of LPS induced acute liver injury. Stevioside, a diterpenoidal glycoside isolated from the Stevia rebaudiana leaves, exerts potent anti-oxidant, anti-inflammatory and immunomodulatory activities. The present study was aimed to investigate the hepatoprotective effect of hydroalcoholic extract of Stevia rebaudiana leaves (STE EXT) and its major phytochemical constituent, stevioside (STE) in LPS induced acute liver injury...
September 13, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28922365/isothiocyanate-enriched-moringa-seed-extract-alleviates-ulcerative-colitis-symptoms-in-mice
#13
Youjin Kim, Alex G Wu, Asha Jaja-Chimedza, Brittany L Graf, Carrie Waterman, Michael P Verzi, Ilya Raskin
Moringa (Moringa oleifera Lam.) seed extract (MSE) has anti-inflammatory and antioxidant activities. We investigated the effects of MSE enriched in moringa isothiocyanate-1 (MIC-1), its putative bioactive, on ulcerative colitis (UC) and its anti-inflammatory/antioxidant mechanism likely mediated through Nrf2-signaling pathway. Dextran sulfate sodium (DSS)-induced acute (n = 8/group; 3% DSS for 5 d) and chronic (n = 6/group; cyclic rotations of 2.5% DSS/water for 30 d) UC was induced in mice that were assigned to 4 experimental groups: healthy control (water/vehicle), disease control (DSS/vehicle), MSE treatment (DSS/MSE), or 5-aminosalicyic acid (5-ASA) treatment (positive control; DSS/5-ASA)...
2017: PloS One
https://www.readbyqxmd.com/read/28922253/long-term-efficacy-safety-and-immunogenicity-of-biosimilar-infliximab-after-one-year-in-a-prospective-nationwide-cohort
#14
Lorant Gonczi, Krisztina B Gecse, Zsuzsanna Vegh, Zsuzsanna Kurti, Mariann Rutka, Klaudia Farkas, Petra A Golovics, Barbara D Lovasz, Janos Banai, Laszlo Bene, Bea Gasztonyi, Tunde Kristof, Laszlo Lakatos, Pal Miheller, Ferenc Nagy, Karoly Palatka, Maria Papp, Arpad Patai, Agnes Salamon, Tamas Szamosi, Zoltan Szepes, Gabor T Toth, Aron Vincze, Balazs Szalay, Tamas Molnar, Peter L Lakatos
BACKGROUND: It has been previously shown that biosimilar infliximab CT-P13 is effective and safe in inducing remission in inflammatory bowel diseases. We report here the 1-year outcomes from a prospective nationwide inflammatory bowel disease cohort. METHODS: A prospective, nationwide, multicenter, observational cohort was designed to examine the efficacy and safety of CT-P13 in the induction and maintenance treatment of Crohn's disease (CD) and ulcerative colitis (UC)...
August 23, 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28921811/a-role-for-the-non-receptor-tyrosine-kinase-ack1-in-tnf-alpha-mediated-apoptosis-and-proliferation-in-human-intestinal-epithelial-caco-2-cells
#15
Xinmei Zhao, Chaolan Lv, Shenbo Chen, Fachao Zhi
The roles of tumor necrosis factor alpha (TNF-alpha) and its mediators in cellular processes related to intestinal diseases remain elusive. In this study, we aimed to determine the biological role of activated Cdc42-associated kinase 1 (ACK1) in TNF-alpha-mediated apoptosis and proliferation in Caco-2 cells. ACK1 expression was knocked down using ACK1-specific siRNAs, and ACK1 activity was disrupted using a small molecule ACK1 inhibitor. The Terminal deoxynucleotidyl transferase biotin-dUTP Nick End Labeling (TUNEL) and the BrdU incorporation assays were used to measure apoptosis and cell proliferation, respectively...
September 16, 2017: Cell Biology International
https://www.readbyqxmd.com/read/28921458/pharmacogenetics-and-pharmacogenomics-in-moderate-to-severe-psoriasis
#16
REVIEW
María C Ovejero-Benito, Ester Muñoz-Aceituno, Alejandra Reolid, Miriam Saiz-Rodríguez, Francisco Abad-Santos, Esteban Daudén
Pharmacogenetics is the study of variations in DNA sequence related to drug response. Moreover, the evolution of biotechnology and the sequencing of human DNA have allowed the creation of pharmacogenomics, a branch of genetics that analyzes human genes, the RNAs and proteins encoded by them, and the inter-and intra-individual variations in expression and function in relation to drug response. Pharmacogenetics and pharmacogenomics are being used to search for biomarkers that can predict response to systemic treatments, including those for moderate-to-severe psoriasis...
September 18, 2017: American Journal of Clinical Dermatology
https://www.readbyqxmd.com/read/28919896/vhh-based-bispecific-antibodies-targeting-cytokine-production
#17
Maxim A Nosenko, Kamar-Sulu N Atretkhany, Vladislav V Mokhonov, Grigory A Efimov, Andrey A Kruglov, Sergei V Tillib, Marina S Drutskaya, Sergei A Nedospasov
Proinflammatory cytokines, such as TNF, IL-6, and IL-1, play pathogenic roles in multiple diseases and are attractive targets for biologic drugs. Because proinflammatory cytokines possess non-redundant protective and immunoregulatory functions, their systemic neutralization carries the potential for unwanted side effects. Therefore, next-generation anti-cytokine therapies would seek to selectively neutralize pathogenic cytokine signaling, leaving normal function intact. Fortunately, the biology of proinflammatory cytokines provides several such opportunities...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28919395/gastroprotective-effect-of-aucubin-against-ethanol-induced-gastric-mucosal-injury-in-mice
#18
Yang Yang, Bing Yin, Le Lv, Ziye Wang, Jiao He, Ziyang Chen, Xin Wen, Yongmin Zhang, Wenji Sun, Yang Li, Ye Zhao
AIMS: Aucubin, an iridoid glycoside, was isolated from seeds of Eucommia ulmoides Oliver. This study was aimed to evaluate the protective effect of aucubin against ethanol-induced gastric mucosal injury in mice. MATERIALS AND METHODS: Mice were orally administrated with aucubin (20, 40 and 80mg/kg) for 3 consecutive days. On the 3rd day, the mice of gastric mucosal injury were induced with 70% ethanol after the last administration of aucubin. Gastric tissue of mice were submitted for evaluating the severity of gastric mucosal injury...
September 14, 2017: Life Sciences
https://www.readbyqxmd.com/read/28919340/design-and-synthesis-of-pregnenolone-2-cyanoacryloyl-conjugates-with-dual-nf-%C3%AE%C2%BAb-inhibitory-and-anti-proliferative-activities
#19
Jia-Li Song, Juan Zhang, Chang-Liang Liu, Chao Liu, Kong-Kai Zhu, Fei-Fei Yang, Xi-Gong Liu, João Paulo Figueiró Longo, Luis Alexandre Muehlmann, Ricardo Bentes Azevedo, Yu-Ying Zhang, Yue-Wei Guo, Cheng-Shi Jiang, Hua Zhang
Twenty-five novel pregnenolone/2-cyanoacryloyl conjugates (6-30) were designed and prepared, with the aim of developing novel anticancer drugs with dual NF-κB inhibitory and anti-proliferative activities. Compounds 22 and 27-30 showed inhibition against TNF-α-induced NF-κB activation in luciferase assay, which was confirmed by Western blotting. Among them, compound 30 showed potent NF-κB inhibitory activity (IC50=2.5μM) and anti-proliferative against MCF-7, A549, H157, and HL-60 cell lines (IC50=6.5-36...
September 8, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28919220/peucedanum-japonicum-extract-attenuates-allergic-airway-inflammation-by-inhibiting-th2-cell-activation-and-production-of-pro-inflammatory-mediators
#20
Jin Mi Chun, A-Reum Lee, Hyo Seon Kim, A Yeong Lee, Gyo Jeong Gu, Byeong Cheol Moon, Bo-In Kwon
ETHNOPHARMACOLOGICAL RELEVANCE: The root of Peucedanum japonicum Thunb is traditionally used to treat coughs, colds, headache and inflammatory diseases in Korea and Japan. Its effects on allergic lung inflammation have not been investigated. AIM OF THE STUDY: To investigate the anti-asthmatic effects of Peucedanum japonicum extract (PJE) using a murine model of asthma and a lipopolysaccharide (LPS)-stimulated macrophage cell line. MATERIALS AND METHODS: Mice underwent two rounds of sensitization with ovalbumin 1 week apart followed by four intranasal ovalbumin challenges on days 13-16...
September 15, 2017: Journal of Ethnopharmacology
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