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https://www.readbyqxmd.com/read/28821884/the-atopic-dermatitis-blood-signature-is-characterized-by-increases-in-inflammatory-and-cardiovascular-risk-proteins
#1
Patrick M Brunner, Mayte Suárez-Fariñas, Helen He, Kunal Malik, Huei-Chi Wen, Juana Gonzalez, Tom Chih-Chieh Chan, Yeriel Estrada, Xiuzhong Zheng, Saakshi Khattri, Nancy Dattola, James G Krueger, Emma Guttman-Yassky
Beyond classic "allergic"/atopic comorbidities, atopic dermatitis (AD) emerges as systemic disease with increased cardiovascular risk. To better define serum inflammatory and cardiovascular risk proteins, we used an OLINK high-throughput proteomic assay to analyze moderate-to-severe AD (n = 59) compared to psoriasis (n = 22) and healthy controls (n = 18). Compared to controls, 10 proteins were increased in serum of both diseases, including Th1 (IFN-γ, CXCL9, TNF-β) and Th17 (CCL20) markers. 48 proteins each were uniquely upregulated in AD and psoriasis...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28820043/rapid-removal-of-chloroform-carbon-tetrachloride-and-trichloroethylene-in-water-by-aluminum-iron-alloy-particles
#2
Jie Xu, Yuan Pu, Xiao Jin Yang, Pingyu Wan, Rong Wang, Peng Song, Adrian Fisher
Water contamination with chlorinated hydrocarbons such as chloroform (CHCl3), carbon tetrachloride (CCl4) and trichloroethylene (TCE) is one of the major public health concerns. In this study, we explored the use of aluminum-iron alloys particles in millimeter scale for rapid removal of CHCl3, CCl4 and TCE from water. Three types of Al-Fe alloy particles containing 10, 20 and 58 wt% of Fe (termed as Al-Fe10, Al-Fe20 and Al-Fe58) were prepared and characterized by electrochemical polarization, X-ray diffraction and energy dispersive spectrometer...
August 18, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28819725/simultaneous-improvement-of-resolving-power-and-signal-to-noise-ratio-using-a-modified-hadamard-transform-inverse-ion-mobility-spectrometry-technique
#3
Yan Hong, Sheng Liu, Chaoqun Huang, Lei Xia, Chengyin Shen, Haihe Jiang, Yannan Chu
In order to improve the resolving power (RP) and signal-to-noise ratio (SNR) of ion mobility spectrometry (IMS) simultaneously, a modified Hadamard transform-inverse ion mobility spectrometry (MHT-IIMS) technique was developed. In this novel technique, a series of isolating codes were appended to each element of the pseudo random binary sequence (PRBS), and then the modified modulation sequence was formed and used to control the ion gate of the inverse IMS (IIMS). Experimental results demonstrate that the MHT-IIMS technique can significantly enhance the resolving power and SNR simultaneously by measuring the spectra of reaction ions...
August 17, 2017: Journal of the American Society for Mass Spectrometry
https://www.readbyqxmd.com/read/28818066/hepatoprotective-and-antioxidant-effects-of-single-clove-garlic-against-ccl4-induced-hepatic-damage-in-rabbits
#4
Khalid Mohammed Naji, Elham Shukri Al-Shaibani, Fatima A Alhadi, Safa'a Abdulrzaq Al-Soudi, Myrene R D'souza
BACKGROUND: The increase in demand and consumption of single clove garlic or 'Solo garlic' (Allium sativum) has resulted in an increase in research on its therapeutic properties. The present study aims to evaluate the antioxidant activities, oxidant-scavenging efficiency and preventive effects of SCG (single clove garlic) and MCG (multi clove garlic) on CCl4-induced acute hepatotoxicity in male rabbits. METHODS: For this purpose, rabbits were orally administered with 3 ml of CCl4 /kg of body weight, followed by 0...
August 17, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28815345/mosapride-stabilizes-intestinal-microbiota-to-reduce-bacterial-translocation-and-endotoxemia-in-ccl4-induced-cirrhotic-rats
#5
Hong Xu, Jingfang Xiong, Jianjun Xu, Shuiming Li, Yang Zhou, Dongya Chen, Xinjun Cai, Jian Ping, Min Deng, Jianyong Chen
BACKGROUND: Impaired intestinal motility may lead to the disruption of gut microbiota equilibrium, which in turn facilitates bacterial translocation (BT) and endotoxemia in cirrhosis. We evaluated the influence of mosapride, a prokinetic agent, on BT and DNA fingerprints of gut microbiota in cirrhotic rats. METHODS: A rat model of cirrhosis was set up via subcutaneous injection of carbon tetrachloride (CCl4). The portal pressure, liver and intestinal damage, plasma endotoxin, BT, and intestinal transit rate (ITR) of cirrhotic rats were determined...
August 16, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28813018/biophysical-and-computational-studies-of-the-vcci-vmip-ii-complex
#6
Anna F Nguyen, Nai-Wei Kuo, Laura J Showalter, Ricardo Ramos, Cynthia M Dupureur, Michael E Colvin, Patricia J LiWang
Certain viruses have the ability to subvert the mammalian immune response, including interference in the chemokine system. Poxviruses produce the chemokine binding protein vCCI (viral CC chemokine inhibitor; also called 35K), which tightly binds to CC chemokines. To facilitate the study of vCCI, we first provide a protocol to produce folded vCCI from Escherichia coli (E. coli.) It is shown here that vCCI binds with unusually high affinity to viral Macrophage Inflammatory Protein-II (vMIP-II), a chemokine analog produced by the virus, human herpesvirus 8 (HHV-8)...
August 16, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28810615/detecting-serum-and-urine-metabolic-profile-changes-of-ccl4-liver-fibrosis-in-rats-at-12-weeks-based-on-gas-chromatography-mass-spectrometry
#7
Jiarong Gao, Xiu-Juan Qin, Hui Jiang, Jin-Feng Chen, Ting Wang, Ting Zhang, Shuang-Zhi Xu, Jun-Mei Song
Liver fibrosis is caused by liver injury induced by a number of chronic liver diseases, including schistosome infection, hepatitis infection, metabolic disease, alcoholism and cholestasis. The tissue damage occurring after injury or inflammation of the liver is a reversible lesion; however, liver fibrosis has become a worldwide problem and poses a threat to human health. The development of an effective drug for the prevention and treatment of liver fibrosis is ongoing and uses information from different occurrences of liver fibrosis...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28810560/effects-of-taohongsiwu-decoction-on-the-expression-of-%C3%AE-sma-and-tgf-%C3%AE-1-mrna-in-the-liver-tissues-of-a-rat-model-of-hepatic-cirrhosis
#8
Tongsheng Wang, Deling Wu, Peipei Li, Ke Zhang, Shanjun Tao, Zhu Li, Jun Li
The present study aimed to explore the treatment effects of Taohongsiwu decoction on the liver fibrosis in a rat model, as few prior studies have investigated the anti-fibrotic effects of Taohongsiwu decoction. High-performance liquid chromatography was used to measure the concentration of ferulic acid and hydrosafflower flavin A in the decoction. Male Sprague-Dawley rats were randomly divided into control, model, colchicine (positive group), Taohongsiwu-high, Taohongsiwu-moderate and Taohongsiwu-low groups; 50% carbon tetrachloride (CCl4) of peanut oil solution was subcutaneously injected to the rats except for the control group, and the drugs were intragastrically administered (10 ml/kg) starting at week 7 for 6 continuous weeks...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28808340/kr%C3%A3-ppel-like-factor-6-is-a-transcriptional-activator-of-autophagy-in-acute-liver-injury
#9
Svenja Sydor, Paul Manka, Jan Best, Sami Jafoui, Jan-Peter Sowa, Miguel Eugenio Zoubek, Virginia Hernandez-Gea, Francisco Javier Cubero, Julia Kälsch, Diana Vetter, Maria Isabel Fiel, Yujin Hoshida, C Billie Bian, Leonard J Nelson, Han Moshage, Klaas Nico Faber, Andreas Paul, Hideo A Baba, Guido Gerken, Scott L Friedman, Ali Canbay, Lars P Bechmann
Krüppel-like factor 6 (KLF6) is a transcription factor and tumor suppressor. We previously identified KLF6 as mediator of hepatocyte glucose and lipid homeostasis. The loss or reduction of KLF6 is linked to the progression of hepatocellular carcinoma, but its contribution to liver regeneration and repair in acute liver injury are lacking so far. Here we explore the role of KLF6 in acute liver injury models in mice, and in patients with acute liver failure (ALF). KLF6 was induced in hepatocytes in ALF, and in both acetaminophen (APAP)- and carbon tetrachloride (CCl4)-treated mice...
August 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28808179/aggf1-attenuates-hepatic-inflammation-and-activation-of-hepatic-stellate-cells-by-repressing-ccl2-transcription
#10
Wenping Xu, Sheng Zeng, Min Li, Zhiwen Fan, Bisheng Zhou
Liver injury represents a continuum of pathophysiological processes involving a complex interplay between hepatocytes, macrophages, and hepatic stellate cells. The mechanism whereby these intercellular interactions contribute to liver injury and fibrosis is not completely understood. We report here that angiogenic factor with G patch and FHA domains 1 (Aggf1) was downregulated in the livers of cirrhotic patients compared to healthy controls and in primary hepatocytes in response to carbon tetrachloride (CCl4) stimulation...
October 17, 2016: Journal of Biomedical Research
https://www.readbyqxmd.com/read/28807226/liver-metabolomics-study-reveals-protective-function-of-phyllanthus-urinaria-against-ccl4-induced-liver-injury
#11
Qing Guo, Qian-Qian Zhang, Jia-Qing Chen, Wei Zhang, Hong-Cong Qiu, Zun-Jian Zhang, Bu-Ming Liu, Feng-Guo Xu
Phyllanthus Urinaria L. (PUL) is a traditional Chinese medicine used to treat hepatic and renal disorders. However, the mechanism of its hepatoprotective action is not fully understood. In the present study, blood biochemical indexes and liver histopathological changes were used to estimate the extent of hepatic injury. GC/MS and LC/MS-based untargeted metabolomics were used in combination to characterize the potential biomarkers associated with the protective activity of PUL against CCl4-induced liver injury in rats...
July 2017: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/28807057/inhibitory-effects-of-hnf4%C3%AE-on-migration-maltransformation-of-hepatic-progenitors-hnf4%C3%AE-overexpressing-hepatic-progenitors-for-liver-repopulation
#12
Ping Wang, Min Cong, Tianhui Liu, Hufeng Xu, Lin Wang, Guangyong Sun, Aiting Yang, Dong Zhang, Jian Huang, Yameng Sun, Wenshan Zhao, Hong Ma, Jidong Jia, Hong You
BACKGROUND: Although they are expandable in vitro, hepatic progenitors are immature cells and share many immunomarkers with hepatocellular carcinoma, raising potential concerns regarding maltransformation after transplantation. This study investigated the effects of hepatic nuclear factor (HNF) 4α on the proliferation, migration, and maltransformation of hepatic progenitors and determined the feasibility of using these manipulated cells for transplantation. METHODS: The effects of HNF4α on rat hepatic progenitors (i...
August 14, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28805262/mesenchymal-stem-cells-attenuate-liver-fibrosis-by-suppressing-th17-cells
#13
Neda Milosavljevic, Marina Gazdic, Bojana Simovic Markovic, Aleksandar Arsenijevic, Jasmin Nurkovic, Zana Dolicanin, Nemanja Jovicic, Ilija Jeftic, Valentin Djonov, Nebojsa Arsenijevic, Miodrag L Lukic, Vladislav Volarevic
This study investigates molecular and cellular mechanisms involved in mesenchymal stem cell (MSCs)-mediated modulation of IL-17 signaling during liver fibrosis. Mice received CCl4 (1μL/g intraperitoneally) twice/week for 1 month. MSCs (1x10(6) ), or MSC-conditioned medium (MSC-CM) were intravenously injected 24h after CCl4 and on every 7(th) day. Liver fibrosis was determined by macroscopic examination, histological analysis, Sirius red staining and RT-PCR. Serum levels of cytokines, IDO and kynurenine were determined by ELISA...
August 14, 2017: Transplant International: Official Journal of the European Society for Organ Transplantation
https://www.readbyqxmd.com/read/28802065/quercetin-reverses-experimental-cirrhosis-by-immunomodulation-of-the-proinflammatory-and-profibrotic-processes
#14
Sael Casas-Grajales, Luis F Vázquez-Flores, Erika Ramos-Tovar, Erika Hernández-Aquino, Rosa E Flores-Beltrán, Carlos M Cerda-García-Rojas, Javier Camacho, Mineko Shibayama, Víctor Tsutsumi, Pablo Muriel
The ability of quercetin to reverse an established cirrhosis has not yet been investigated. Therefore, the aim of the present study was to examine the efficacy of this flavonoid in reversing experimental cirrhosis. Cirrhosis was induced by intraperitoneal administration of TAA (200 mg/kg of body weight) three times per week for 8 weeks or by intraperitoneal petrolatum-CCl4 (400 mg/kg of body weight) administration three times per week for 8 weeks. To determine the capacity of quercetin to prevent liver fibrosis, the flavonoid (50 mg/kg of body weight, p...
August 12, 2017: Fundamental & Clinical Pharmacology
https://www.readbyqxmd.com/read/28798084/a-small-population-of-liver-endothelial-cells-undergoes-endothelial-to-mesenchymal-transition-in-response-to-chronic-liver-injury
#15
Jordi Ribera, Montse Pauta, Pedro Melgar-Lesmes, Bernat Cordoba, Anna Bosch, Maria Calvo, Daniel Rodrigo-Torres, Pau Sancho-Bru, Aurea Mira, Wladimiro Jimenez, Manuel Morales-Ruiz
BACKGROUND AND AIMS: Rising evidence points to endothelial-to-mesenchymal transition (EndMT) as a significant source of the mesenchymal cell population in fibrotic diseases. In this context, we hypothesized that liver endothelial cells undergo EndMT during fibrosis progression. METHODS: Cirrhosis in mice was induced by CCl4 A transgenic mouse expressing a red fluorescent protein reporter under the control of Tie2 promoter (Tie2-tdTomato) was used to trace the acquisition of EndMT...
August 10, 2017: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/28797105/regulation-of-hepatic-stellate-cell-proliferation-and-activation-by-glutamine-metabolism
#16
Jiang Li, Mohammed Ghazwani, Ke Liu, Yixian Huang, Na Chang, Jie Fan, Fengtian He, Liying Li, Shizhong Bu, Wen Xie, Xiaochao Ma, Song Li
Liver fibrosis is the excessive accumulation of extracellular matrix proteins, which is mainly caused by accumulation of activated hepatic stellate cells (HSCs). The mechanisms of activation and proliferation of HSCs, two key events after liver damage, have been studied for many years. Here we report a novel pathway to control HSCs by regulating glutamine metabolism. We demonstrated that the proliferation of HSCs is critically dependent on glutamine that is used to generate α-ketoglutarate (α-KG) and non-essential amino acid (NEAA)...
2017: PloS One
https://www.readbyqxmd.com/read/28794616/schisandrin-b-attenuates-ccl4-induced-liver-fibrosis-in-rats-by-regulation-of-nrf2-are-and-tgf-%C3%AE-smad-signaling-pathways
#17
Qingshan Chen, Hai Zhang, Yan Cao, Ying Li, Sen Sun, Junping Zhang, Guoqing Zhang
Liver fibrosis is a major pathological feature of chronic liver diseases and there is no effective therapy program at present. Schisandrin B (Sch B) is the major bioactive ingredient of Schisandra chinensis, with antioxidative, anti-inflammatory, antitumor, and hepatoprotective properties. This study aimed to investigate the protective effect and related molecular mechanism of Sch B against carbon tetrachloride (CCl4)-induced liver fibrosis in rats. The in vivo therapeutic effect of Sch B on liver fibrosis induced by CCl4 was examined in rats...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28782839/post-treatment-of-melatonin-with-ccl4-better-reduces-fibrogenic-and-oxidative-changes-in-liver-than-melatonin-co-treatment
#18
Keywan Mortezaee, Jamal Majidpoor, Erfan Daneshi, Morteza Abouzaripour, Mahdad Abdi
Therapeutic effects of melatonin (MEL) in targeting CCl4 -induced liver fibrosis has been widely known, but there is no study comparing oxidative and fibrogenic changes in co- and post-treatment of MEL with CCl4 , which was further aimed in this experiment. Male SD rats were injected with CCl4 (1 mL/kg/i.p./daily) dissolved 1:1 in olive oil for one month. Some animals received MEL (20 mg/kg/i.p./daily) diluted in 1 mL PBS in combination with CCl4 (co-treatment), and some rats were treated with MEL, beginning with injection of the last dose of CCl4 for one month (post-treatment)...
August 7, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28774689/design-synthesis-and-biological-evaluation-of-hesperetin-derivatives-as-potent-anti-inflammatory-agent
#19
Hai-Wen Ding, Ai-Ling Huang, Yi-Long Zhang, Bo Li, Chen Huang, Tao-Tao Ma, Xiao-Ming Meng, Jun Li
A flavonoid hesperetin is reported to have a variety of biological activities, including anticancer, antiviral, antioxidant, neuroprotective and anti-inflammatory properties. Thirty-one novel hesperetin derivatives were designed, synthesized and evaluated for anti-inflammatory activity using RAW264.7 cells and CCl4-induced acute liver injury model. Among these compounds, 5b displayed the excellent anti-inflammatory activity on decreasing NO, IL-6 and TNF-α both in vitro and vivo. In addition, 5b could also reduce the release of NO, IL-6 and TNF-α production by LPS stimulated RAW 264...
August 1, 2017: Fitoterapia
https://www.readbyqxmd.com/read/28769026/chemical-composition-antioxidant-anti-inflammatory-and-antiproliferative-activities-of-the-plant-lebanese-crataegus-azarolus-l
#20
Hany Kallassy, Mohammad Fayyad-Kazan, Rawan Makki, Yolla El-Makhour, Eva Hamade, Hasan Rammal, David Y Leger, Vincent Sol, Hussein Fayyad-Kazan, Bertrand Liagre, Bassam Badran
BACKGROUND In the present study, phytochemical screening, antioxidant, anti-inflammatory, and antiproliferative capacities of 3 extracts from leaves of Lebanese Crataegus azarolus L. were evaluated. MATERIAL AND METHODS Fresh leaves were dissolved in 3 different solvents: distilled water, ethanol, and methanol. The chemical composition was determined using high-performance liquid chromatography (HPLC) and the content of essential oil of this plant was examined by gas chromatography (GC) coupled with mass spectrometry (MS)...
August 3, 2017: Medical Science Monitor Basic Research
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