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https://www.readbyqxmd.com/read/28103144/role-of-different-natural-antioxidants-in-the-modulation-of-mrna-expression-of-apoptotic-molecules-in-the-livers-of-carbon-tetrachloride-intoxicated-rats
#1
Nouf M Al-Rasheed, Naglaa F El-Orabi, Laila Mohamed Fadda, Hanaa Mahmoud Ali, Nawal M Al-Rasheed, Yieldez Bassiouni, Abeer Mohammad Aldbass
Overexpression of nuclear factor (NF-κB) or activation of Smad3 by transforming growth factor β (TGF-β1) induced by oncogenes results in overexpression of fibrotic processes and hence cell death. The objective of this study is to examine whether Silymarin (Sil) alone or in combination with Vitamin E (Vit E) and/or Curcumin (Cur) plays a modulatory role against the overexpression of NF-κB, and TGF-β that induced in response to carbon tetrachloride (CCl4) administration. The present work revealed that CCl4 induced elevation of in serum alanine aminotransferase (ALT), Apoptosis regulator (Bax), Smad3, TGF-β, and NF-kB hepatic mRNA expression (using Real-time PCR), administration of Sil alone downregulated these expressions...
January 19, 2017: Animal Biotechnology
https://www.readbyqxmd.com/read/28100224/radical-scavenging-activities-of-lagerstroemia-speciosa-l-pers-petal-extracts-and-its-hepato-protection-in-ccl4-intoxicated-mice
#2
Bipransh Kumar Tiwary, Somit Dutta, Priyankar Dey, Mossaraf Hossain, Anoop Kumar, Sony Bihani, Ashis Kumar Nanda, Tapas Kumar Chaudhuri, Ranadhir Chakraborty
BACKGROUND: Lagerstroemia speciosa (L.) Pers. has medicinal importance. Bioactive phytochemicals isolated from different parts of L. speciosa, have revealed hypoglycemic, antibacterial, anti-inflammatory, antioxidant and hepato protective properties. Despite one report from Philippines detailing the use of L. speciosa as curative for fever and as well as diuretic, there is no experimental evidence about the hepatoprotective activity of the flower extracts. METHODS: Several spectroscopic methods, including GC-MS, were used to characterize phytochemicals present in the petal extract of L...
January 18, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28099143/desirable-cytolytic-immune-effector-cell-recruitment-by-interleukin-15-dendritic-cells
#3
Heleen H Van Acker, Ottavio Beretta, Sébastien Anguille, Lien De Caluwé, Angela Papagna, Johan M Van den Bergh, Yannick Willemen, Herman Goossens, Zwi N Berneman, Viggo F Van Tendeloo, Evelien L Smits, Maria Foti, Eva Lion
Success of dendritic cell (DC) therapy in treating malignancies is depending on the DC capacity to attract immune effector cells, considering their reciprocal crosstalk is partially regulated by cell-contact-dependent mechanisms. Although critical for therapeutic efficacy, immune cell recruitment is a largely overlooked aspect regarding optimization of DC vaccination. In this paper we have made a head-to-head comparison of interleukin (IL)-15-cultured DCs and conventional IL-4-cultured DCs with regard to their proficiency in the recruitment of (innate) immune effector cells...
January 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28098912/microrna-9-limits-hepatic-fibrosis-by-suppressing-the-activation-and-proliferation-of-hepatic-stellate-cells-by-directly-targeting-mrp1-abcc1
#4
Jie Sun, Huanying Zhang, Liying Li, Lianfeng Yu, Lifang Fu
Liver fibrosis is a chronic liver disease characterized by the proliferation and activation of hepatic stellate cells (HSCs) and excessive deposition of extracellular matrix (ECM). Research suggests that microRNAs (miRNAs) are a new type of regulator of liver fibrosis. In the present study, we investigated the role of microRNA-9 (miR-9) in the process of liver fibrosis, as well as the underlying mechanism of action. Downregulated levels of miR-9 were found in fibrotic liver tissues and activated HSCs as detected by qRT-PCR; whereas, expression of multidrug resistance‑associated protein 1 (MRP1/ABCC1) was upregulated in the fibrotic liver tissues and activated HSCs...
January 17, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28095910/profile-of-bioactive-compounds-in-nymphaea-alba-l-leaves-growing-in-egypt-hepatoprotective-antioxidant-and-anti-inflammatory-activity
#5
Riham Omar Bakr, Mona Mohamed El-Naa, Soumaya Saad Zaghloul, Mahmoud Mohamed Omar
BACKGROUND: Nymphaea alba L. represents an interesting field of study. Flowers have antioxidant and hepatoprotective effects, rhizomes constituents showed cytotoxic activity against liver cell carcinoma, while several Nymphaea species have been reported for their hepatoprotective effects. Leaves of N. alba have not been studied before. Therefore, in this study, in-depth characterization of the leaf phytoconstituents as well as its antioxidant and hepatoprotective activities have been performed where N...
January 17, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28095306/the-role-of-pten-in-regulation-of-hepatic-macrophages-activation-and-function-in-progression-and-reversal-of-liver-fibrosis
#6
Yahui Cheng, Yuanyao Tian, Jialu Xia, Xiaoqin Wu, Yang Yang, Xiaofeng Li, Cheng Huang, Xiaoming Meng, Taotao Ma, Jun Li
Activation of Kupffer cells (KCs) plays a pivotal role in the pathogenesis of liver fibrosis. The progression and reversal of CCl4-induced mouse liver fibrosis showed a mixed induction of hepatic classical (M1) and alternative (M2) macrophage markers. Although the role of phosphatase and tensin homolog deleted on chromosome 10 (PTEN) in modulating myeloid cell activation has recently been identified, its function in macrophage activation during hepatic fibrosis remains to be fully appreciated. In our study, PTEN expression of KCs was remarkably decreased in CCl4-induced mice but increased to a near-normal level in reversed mice...
January 14, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28092841/phytochemical-study-and-protective-effect-of-trigonella-foenum-graecum-fenugreek-seeds-against-carbon-tetrachloride-induced-toxicity-in-liver-and-kidney-of-male-rat
#7
Sakhria Mbarki, Hichem Alimi, Hafsia Bouzenna, Abdelfettah Elfeki, Najla Hfaiedh
Liver and kidney diseases are a global concern, therefore considerable efforts to obtain fine herbs useful as drugs from medicinal plants are currently in progress. The aim of this work was to study the antioxidant effects of previous supplementation with fenugreek seeds (FS) against carbon tetrachloride (CCl4) toxicity in the liver and kidney. CCl4 toxicity was induced by one dose (i.g. 5ml CCl4/kg of body weight, 50% CCl4 in olive oil) after 7 weeks of normal diet or diet rich in 10% of grinded fenugreek seeds (20g of pellet rat food/rat/day)...
January 13, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28092793/high-dilutions-of-antimony-modulate-cytokines-production-and-macrophage-leishmania-l-amazonensis-interaction-in-vitro
#8
Fabiana Rodrigues de Santana, Luciane C Dalboni, Kátia F Nascimento, Fabiana Toshie Konno, Anuska M Alvares-Saraiva, Michelle S F Correia, Maristela Dutra Correa Bomfim, Renato C V Casarin, Elizabeth C Perez, Maria Anete Lallo, Giovani B Peres, Márcia Dalastra Laurenti, Nilson R Benites, Dorly F Buchi, Leoni Villano Bonamin
BACKGROUND: In previous results mice treated with high dilutions of antimony presented reduction of monocyte migration to the site of infection with increase in B lymphocytes population in the local lymph node. AIMS: To know the mechanisms involved, a series of in vitro studies was done, using co-cultures of macrophages (RAW 264.7) and Leishmania (L.) amazonensis treated with different dilutions of antimony (Antimonium crudum or AC), in different times. METHODOLOGY: Spreading, phagocytosis, the oxidative activity of macrophages, the viability of free promastigotes and the cytokines/chemokines concentration in the supernatant were evaluated...
January 13, 2017: Cytokine
https://www.readbyqxmd.com/read/28091907/evaluation-of-the-hepatoprotective-effect-of-l-ascorbate-1-2-hydroxyethyl-4-6-dimethyl-1-2-dihydropyrimidine-2-one-upon-exposure-to-carbon-tetrachloride
#9
A B Vyshtakalyuk, N G Nazarov, V V Zobov, S R Abdulkhakov, O A Minnekhanova, V E Semenov, I V Galyametdinova, G V Cherepnev, V S Reznik
Hepatoprotective properties of a new pyrimidine derivative - L-ascorbate 1-(2-hydroxyethyl)-4,6-dimethyl-1,2-dihydropyrimidine-2-one, synthesized on the basis Xymedon, were assessed in white rats exposed to CCl4. The compound under study administered prior to exposure to CCl4 reduced the deviation of biochemical parameters from reference values and severity of structural and morphological changes in liver, when compared to the control. Hepatoprotective properties of the studied compound were more pronounced than those of Xymedon...
January 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28089078/hucmsc-exosome-derived-gpx1-is-required-for-the-recovery-of-hepatic-oxidant-injury
#10
Yongmin Yan, Wenqian Jiang, Youwen Tan, Shengqiang Zou, Hongguang Zhang, Fei Mao, Aihua Gong, Hui Qian, Wenrong Xu
Exosomes are small biological membrane vesicles secreted by various cells, including mesenchymal stem cells (MSCs). We previously reported that MSC-derived exosomes (MSC-Ex) can elicit hepatoprotective effects against toxicant-induced injury. However, the success of MSC-Ex-based therapy for treatment of liver diseases and the underlying mechanisms have not been well characterized. We used human umbilical cord MSC-derived exosome (hucMSC-Ex) administrated by tail vein or oral gavage at different doses and, in engrafted liver mouse models, noted antioxidant and anti-apoptotic effects and rescue from liver failure...
January 6, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28086854/in-vitro-assessment-of-hepatoprotective-agents-against-damage-induced-by-acetaminophen-and-ccl4
#11
Liliana Torres González, Noemí Waksman Minsky, Linda Elsa Muñoz Espinosa, Ricardo Salazar Aranda, Jonathan Pérez Meseguer, Paula Cordero Pérez
BACKGROUND: In vitro bioassays are important in the evaluation of plants with possible hepatoprotective effects. The aims of this study were to evaluate the pretreatment of HepG2 cells with hepatoprotective agents against the damage induced by carbon tetrachloride (CCl4) and paracetamol (APAP). METHODS: Antioxidative activity was measured using an assay to measure 2,2-diphenyl-1-picrylhydrazyl (DPPH) free radical scavenging. The in vitro hepatotoxicity of CCl4 and APAP, and the cytotoxic and hepatoprotective properties of silymarin (SLM), silybinin (SLB), and silyphos (SLP) were evaluated by measuring cell viability; activities of aspartate aminotransferase (AST), alanine aminotransferase (ALT), and lactate dehydrogenase (LDH); total antioxidant capacity (TAOxC); and reduced glutathione (GSH), superoxide dismutase (SOD), and lipid peroxidation (malondialdehyde (MDA) levels)...
January 13, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28086769/effect-of-ginseng-extract-on-the-tgf-%C3%AE-1-signaling-pathway-in-ccl4-induced-liver-fibrosis-in-rats
#12
Mohamed M Hafez, Sherifa S Hamed, Manal F El-Khadragy, Zeinab K Hassan, Salim S Al Rejaie, Mohamed M Sayed-Ahmed, Naif O Al-Harbi, Khalid A Al-Hosaini, Mohamed M Al-Harbi, Ali R Alhoshani, Othman A Al-Shabanah, Shakir Dekhal Alsharari
BACKGROUND: Liver diseases are major global health problems. Ginseng extract has antioxidant, immune-modulatory and anti-inflammatory activities. This study investigated the effect of ginseng extract on carbon tetrachloride (CCl4)-induced liver fibrosis in rats. METHODS: Male Wistar rats were divided into four groups: control group, ginseng group, CCl4 group and CCl4 + ginseng group. Liver injury was induced by the intraperitoneal (I.P) injection of 3 ml/kg CCl4 (30% in olive oil) weekly for 8 weeks...
January 13, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28065777/protective-effects-of-petroleum-ether-extracts-of-herpetospermum-caudigerum-against-%C3%AE-naphthylisothiocyanate-induced-acute-cholestasis-of-rats
#13
Wen-Rui Cao, Jing-Qiu Ge, Xin Xie, Meng-Lin Fan, Xu-Dong Fan, Hong Wang, Zhao-Yue Dong, Zhi-Hua Liao, Xiao-Zhong Lan, Min Chen
ETHNOPHARMACOLOGICAL RELEVANCE: The ripe seeds of Herpetospermum caudigerum have been used in Tibetan folk medicine for treatment of bile or liver diseases including jaundice, hepatitis, intumescences or inflammation. Previously reports suggested that the seed oil and some lignans from H. caudigerum exhibited protective effects against carbon tetrachloride (CCl4)-induced hepatic damage in rats, which may be related to their free radical scavenging effect. However, the protective effect of H...
January 5, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28064552/the-novel-role-of-%C3%AE-aescin-in-attenuating-ccl4-induced-hepatotoxicity-in-rats
#14
Harsimran Singh, Shabir Sidhu, Kanwaljit Chopra, M U Khan
CONTEXT: β-Aescin has anti-inflammatory, anti-oxidant and antiedematous properties. OBJECTIVE: The present study investigated the hepatoprotective effect and underlying mechanisms of β-aescin in CCl4-induced liver damage. MATERIALS AND METHODS: Thirty-five Wistar rats were divided into six groups: normal control, CCl4 control, silymarin (50 mg/kg, p.o) and β-aescin (0.9, 1.8 and 3.6 mg/kg, i.p.) treatment for 14 d. CCl4 (1 mL/kg, i...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28064055/the-antioxidative-and-hepatoprotective-effects-comparison-of-chinese-angelica-polysaccharide-cap-and-selenizing-cap-scap-in-ccl4-induced-hepatic-injury-mice
#15
Zhenzhen Gao, Chao Zhang, Weijun Tian, Kuanhui Liu, Ranran Hou, Chanjuan Yue, Yi Wu, Deyun Wang, Jiaguo Liu, Yuanliang Hu, Ying Yang
Chinese angelica polysaccharides (CAP) and selenizing CAP (sCAP) were prepared and identified through FTIR and SEM observation. Their antioxidant activities in vitro and hepatoprotective effects in vivo were compared by free radical-scavenging tests or with CCl4-induced hepatic injury model mice. The results showed that for DPPH radical, superoxide anion and hydroxyl radical, the scavenging capabilities of sCAP were significantly stronger than those of CAP. In hepatic injury model mice, sCAP could significantly reduce ALT, AST and ALP contents and raised TP content in serum, significantly reduce MDA and ROS contents and raised SOD and T-AOC activities in liver homogenate in comparison with CAP; obviously relieve the pathological changes of liver and significantly inhibit the expressions of p-ERK, p-JNK and p-p38 protein as compared with those in model control group...
January 4, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28061452/augmenter-of-liver-regeneration-protects-against-carbon-tetrachloride-induced-liver-injury-by-promoting-autophagy-in-mice
#16
Hongbo Shi, Weijia Han, Honglin Shi, Feng Ren, Dexi Chen, Yu Chen, Zhongping Duan
BACKGROUND: Augmenter of liver regeneration (ALR) exerts strong hepatoprotective properties in various animal models of liver injury, but its protective mechanisms have not yet been explored. Autophagy is a recently recognized rudimentary cellular response to inflammation and injury. The aim of this study was to test the hypothesis that ALR may protect against acute liver injury through the autophagic pathway. METHODS: The level and role of ALR in liver injury were studied in a mouse model of acute liver injury induced by carbon tetrachloride (CCl4)...
January 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28057018/bioinformatic-analysis-of-microrna-and-mrna-regulation-in-peripheral-blood-mononuclear-cells-of-patients-with-chronic-obstructive-pulmonary-disease
#17
Xiaomin Dang, Xiaoyan Qu, Weijia Wang, Chongbing Liao, Ying Li, Xiaojin Zhang, Dan Xu, Carolyn J Baglole, Dong Shang, Ying Chang
BACKGROUND: Chronic obstructive pulmonary disease (COPD) is a progressive, irreversible chronic inflammatory disorder typified by increased recruitment of monocytes, lymphocytes and neutrophils. Because of this, as well as the convenience of peripheral blood nuclear cells (PBMCs) assessments, miRNA profiling of PBMCs has drawn increasing attention in recent years for various disease. Therefore, we analyzed miRNA and mRNA profiles to understand their regulatory network between COPD subjects versus smokers without airflow limitation...
January 5, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28056938/hepatoprotective-effect-of-the-solvent-extracts-of-viola-canescens-wall-ex-roxb-against-ccl4-induced-toxicity-through-antioxidant-and-membrane-stabilizing-activity
#18
Abdullah, Mir Azam Khan, Waqar Ahmad, Manzoor Ahmad, Mohammad Nisar
BACKGROUND: Viola canescens Wall. ex. Roxb. exhibits analgesic, antimalarial and antispasmodic activities. It is used folklorically for the treatment of liver diseases, hypertension, malaria and cancer. The current study investigates phytochemical constituents, antioxidant and hepatoprotective activity of solvent extracts of whole plant of Viola canescens. METHODS: Phytochemicals, acute toxicity study and antioxidant activity of Viola canescens methanolic extract (VCME), ethyl acetate fraction (EAF), and partially purified EAF (90% EAF and combination of 80% EAF + 20% methanol fraction (EAF + Me) was carried out...
January 5, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28056421/capparis-spinosa-leaves-extract-source-of-bioantioxidants-with-nephroprotective-and-hepatoprotective-effects
#19
Nizar Tlili, Anouar Feriani, Ezzeddine Saadoui, Nizar Nasri, Abdelhamid Khaldi
Capparis spinosa, Capparidaceae, is largely distributed all over the Mediterranean Basin and is traditionally used to treat many illnesses, such as liver and kidney diseases. The aim of the current study was to explore the antioxidant, nephroprotective and hepatoprotective effects of methanolic extract of Capparis spinosa leaves (MECS) associated with its phytochemical content. The levels of total phenolics, flavonoids and condensed tannins were 23.37mgGAE/g, 9.05mgQE/g and 9.35mgTAE/g, respectively. HPLC analysis revealed nine compounds, namely rutin, resveratrol, coumarin, epicatechin, luteolin, catechin, kaempferol, vanillic acid and gallic acid...
January 2, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28044228/reduced-il-37-production-increases-spontaneous-chemokine-expressions-in-colon-epithelial-cells
#20
Sezin Günaltay, Mohammed Ghiboub, Olof Hultgren, Elisabeth Hultgren Hörnquist
BACKGROUND AND AIM: Microscopic colitis, comprising collagenous colitis and lymphocytic colitis, is a common cause of chronic diarrhea. Previously, we showed enhanced chemokine productions in microscopic colitis patients, indicating dysregulated immune cell chemotaxis in the immunopathogenesis. We also showed decreased mRNA of IL-37, mainly regarded as an anti-inflammatory cytokine, in the colonic mucosa of these patients, potentially an important factor for the chronicity of the colitis...
January 2, 2017: Digestive Diseases and Sciences
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