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https://www.readbyqxmd.com/read/28207162/plasma-oxidative-stress-and-inflammatory-biomarkers-are-associated-with-the-sizes-of-the-left-atrium-and-pulmonary-vein-in-atrial-fibrillation-patients
#1
Jin-Yi Li, Yan He, Hong-Hong Ke, Yu Jin, Zhi-Yuan Jiang, Guo-Qiang Zhong
BACKGROUND: Oxidative stress and inflammatory processes are responsible for the pathogenesis of AF, but their relationship with the sizes of the LA and PVs in AF patients remains unclear. HYPOTHESIS: Oxidative stress and inflammatory processes are associated with the sizes of the LA and PVs in AF patients. METHODS: 82 AF patients were compared to 30 control patients by using a case-control study design. Oxidative stress, inflammatory biomarkers and the sizes of the LA and PVs were detected...
February 16, 2017: Clinical Cardiology
https://www.readbyqxmd.com/read/28193083/comparison-of-pure-palm-olein-oil-hydrogenated-oil-containing-palm-and-canola-on-serum-lipids-and-lipid-oxidation-rate-in-rats-fed-with-these-oils
#2
Seyed-Asadollah Amini, Keihan Ghatreh-Samani, Arash Habibi-Kohi, Laleh Jafari
BACKGROUND: Due to increased consumption of canola oil and hydrogenated oil containing palm and palm olein, and their possible effects on serum lipoproteins, the present study was conducted to determine the effects of these oils on lipids and lipid oxidation level. METHODS: In this experimental study, 88 Wistar rats were randomly assigned to four groups. Control group (A) was on a normal diet. Groups B, C, and D, in addition to normal diet, were fed with hydrogenated oil-contained palm oil, pure palm olein oil, and canola oil, respectively for 4 weeks...
February 2017: Archives of Iranian Medicine
https://www.readbyqxmd.com/read/28177669/beta-sitosterol-up-regulated-paraoxonase-1-via-peroxisome-proliferator-activated-receptor-%C3%AE-in-irradiated-rats
#3
Enas Moustafa, Noura Magdy Thabet
This study was designed to evaluate the effect of Beta-sitosterol (BS) on the of peroxisome proliferator-activated receptor gamma (PPAR-γ) gene expression role in the activity of PON-1 enzyme in oxidative stress status of irradiated rats. Animals were exposed to whole body γ-radiation single dose 6Gy and received BS dose (40 mg•(kg body mass) -1•day -1, orally). In liver tissue, gene expression of PPAR-γ ligand was determined. Oxidative stress marker (malonyldialdehyde, MDA) and antioxidant enzymes activities (Superoxide dismutase; SOD Catalase; CAT, PON-1 and arylesterase; ARE) were assayed in serum and liver tissue...
January 24, 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28173817/pigment-epithelium-derived-factor-alleviates-endothelial-injury-by-inhibiting-wnt-%C3%AE-catenin-pathway
#4
Shouyuan Ma, Shutong Yao, Hua Tian, Peng Jiao, Nana Yang, Ping Zhu, Shucun Qin
BACKGROUND: Oxidized low-density lipoprotein (ox-LDL) can induce endothelial injury and plays a vital role in the procession and development of atherosclerosis. Little is known regarding whether Wnt/β-catenin pathway is involved in ox-LDL-induced endothelial injury or whether it further promotes atherosclerosis via increased oxidative stress. This study aimed to investigate the role of Wnt/β-catenin pathway in ox-LDL-induced vascular endothelial injury and determine whether pigment epithelium-derived factor (PEDF) could alleviate ox-LDL-induced endothelial injury by inhibiting Wnt/β-catenin pathway...
February 7, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28169366/phytosterol-esters-attenuate-hepatic-steatosis-in-rats-with-non-alcoholic-fatty-liver-disease-rats-fed-a-high-fat-diet
#5
Lihua Song, Dan Qu, Qing Zhang, Jing Jiang, Haiyue Zhou, Rui Jiang, Yating Li, Yao Zhang, Hongli Yan
Given the adverse effects of drugs used for NAFLD treatment, identifying novel and effective natural compound to prevent NAFLD is urgently needed. In the present study, the effects of phytosterol esters (PSEs) on NAFLD were explored. Adult SD rats were randomized into five groups: normal chow diet (NC), high-fat diet (HF), low-, medium- and high-dose PSE treatment plus high-fat diet groups (PSEL, PSEM, and PSEH). Our results showed that the levels of LDL-C in the PSEL group and hepatic TG, TC, and FFA in the three PSEs groups were significantly decreased...
February 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28167469/relationship-of-oxidative-stress-with-elevated-level-of-dna-damage-and-homocysteine-in-cardiovascular-disease-patients
#6
Muhammad Qasim, Shazia Anwer Bukhari, Madiha Javeed Ghani, Muhammad Shareef Masoud, Tayyabah Huma, Muhammad Arshad, Asma Haque, Zubair Ibrahim, Sadia Javed, Muhammad Ibrahim Rajoka
Amounts of DNA damage and homocysteine (Hcy) in heart patients blood may have strong function in the causation of cardiovascular disease (CVD). The main objective of this work was to know experimentally the role of total oxidants (produced by Reactive Oxygen species (ROS), clinical biochemical indices, their oxidized products and total antioxidant status (TAS) among such patients to find the association of homocysteine, total oxidation status (TOS) and oxidative DNA damage with other clinical parameters in sixty positive CVD patients compared with those of 60 normal subjects...
November 2016: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28164576/oxidized-low-density-lipoprotein-ox-ldl-to-ldl-ratio-ox-ldl-ldl-and-ox-ldl-to-high-density-lipoprotein-ratio-ox-ldl-hdl
#7
Mahtab Motamed, Arash A Nargesi, Behnam Heidari, Hossein Mirmiranpour, Alireza Esteghamati, Manouchehr Nakhjavani
BACKGROUND: Oxidized low-density lipoprotein (ox-LDL) plays a principal role in diabetes complications, though ox-LDL concentrations and its functions are dependents of other oxidative and anti-oxidative particles. The oxLDL to low-density lipoprotein ratio (ox-LDL/LDL) and ox-LDL to high-density lipoprotein ratio (ox-LDL/HDL) as new lipid biomarkers may serve as a good estimation of oxidation and anti-oxidation in type 2 diabetes mellitus. The aim of this study was first to examine ox-LDL/LDL and ox-LDL/HDL levels in patients with type 2 diabetes mellitus compared to a control group and evaluate their diagnostic accuracies, and, second, to investigate the correlation of these two ratios with triglyceride and HDL levels...
September 1, 2016: Clinical Laboratory
https://www.readbyqxmd.com/read/28154312/effects-of-m%C3%AE-cd-on-lipoxygenase-induced-ldl-oxidation
#8
Meiying Ao, Yong Chen
Beta-cyclodextrin (β-CD) has been applied as drug/food carriers or potential drugs for treating some diseases. Most recently, some evidence indicated that methyl-β-cyclodextrin (MβCD) and 2-hydroxypropyl-β-cyclodextrin (2-HPβCD), two major derivatives of β-CD, may inhibit atherogenesis, implying that cyclodextrins also can be potential drugs for treating atherosclerosis. It is well known that modification (e.g. oxidation) of low-density lipoprotein (LDL) is one of the most critical steps of atherogenesis...
2017: Chemical & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28150588/inhibition-of-kupffer-cell-functions-modulates-arsenic-intoxication-in-wistar-rats
#9
Oluyomi S Adeyemi, Ekong Meyakno, Musbau A Akanji
Study determined the influence of the inhibition of Kupffer cell functions by GdCl3 in arsenic intoxication. Twenty-four Wistar rats weighing between 150 and 160 g were randomly assigned into four groups. Group 1 received sodium arsenite (1.5 mg/kg b.w.) once a day, Group 2 received GdCl3 (2 mg/kg b.w.) once, 24 hours before commencing the arsenite (1.5 mg/kg b.w.) treatment. Group 3 received GdCl3 (2 mg/kg b.w.) once and subsequently given distilled water. Group 4 received distilled water only. The treatments were daily by oral gavage and lasted for 28 days...
February 2, 2017: General Physiology and Biophysics
https://www.readbyqxmd.com/read/28116660/salvianolic-acid-b-attenuates-oxidized-low-density-lipoprotein-induced-endothelial-cell-apoptosis-through-inhibition-of-oxidative-stress-p53-and-caspase-3-pathways
#10
Hong-Mei Chen, Hao Luo, Wen-Bi Zeng, Bin Liu, Jia-Cheng Huang, Min Liu, Yan-Jin Zeng, Qiang Zheng, Ji-Qiang Li, Xue-Gang Sun, Ying-Chun Zhou
OBJECTIVE: To investigate the effect of salvianolic acid B (Sal B) on oxidized low-density lipoprotein (ox-LDL)-induced human umbilical vein endothelial cells (HUVECs) apoptosis and the possible mechanism. METHODS: HUVECs were divided into 6 groups, including control group, ox-LDL group, vitamin C group (positive control), and 5, 10 and 20 μg/mL Sal B groups. Cell viability of HUVECs was determined by 3-(4,5-dimethylthiazol- 2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay...
January 24, 2017: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/28101628/rho-kinase-inhibitor-fasudil-mitigates-high-cholesterol-diet-induced-hypercholesterolemia-and-vascular-damage
#11
Nibrass Taher Abdali, Awny H Yaseen, Eman Said, Tarek M Ibrahim
The current study was designed to investigate the potential beneficial therapeutic outcome of Rho kinase inhibitor (fasudil) against hypercholesterolemia-induced myocardial and vascular injury in rabbits together with diet modification. Sixteen male rabbits were randomly divided into four groups: normal control group which received standard rabbit chow, hypercholesterolemic control group, and treated groups which received cholesterol-rich rabbit chow (1.5% cholesterol) for 8 weeks. Treated groups received either fasudil (100 mg/kg/day) or rosuvastatin (2...
January 18, 2017: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/28093243/clinical-study-on-efficacy-of-allopurinol-in-patients-with-acute-coronary-syndrome-and-its-functional-mechanism
#12
Ying Huang, Chunya Zhang, Zhiqing Xu, Jinghua Shen, Xiaogang Zhang, Huanhua Du, Kanjian Zhang, Daifu Zhang
OBJECTIVE: To investigate the therapeutic effect of allopurinol treatment on acute coronary syndrome and to elucidate its possible mechanism. METHODS: Patients with acute coronary syndrome (n=100) were recruited as research subjects in our hospital. The patients were randomly divided into two groups (allopurinol group, n = 50) and control group, n= 50). These two groups were treated with conventional antiplatelet, anticoagulation and anti-ischemic therapy, while allopurinol was added to allopurinol group based on conventional treatment...
January 13, 2017: Hellenic Journal of Cardiology: HJC, Hellēnikē Kardiologikē Epitheōrēsē
https://www.readbyqxmd.com/read/28053615/antioxidant-and-hepatoprotective-effects-of-fermented-red-ginseng-against-high-fat-diet-induced-hyperlipidemia-in-rats
#13
Myeong-Hwan Kim, Eun-Jin Lee, Jeong-Mu Cheon, Ki-Jun Nam, Tae-Ho Oh, Kil-Soo Kim
This study was performed to investigate the antioxidant and hepatoprotective effects of fermented red ginseng (Panax ginseng C.A. Meyer; FRG) on high-fat diet-induced hyperlipidemia in rats. Sprague-Dawley rats were divided into four groups of seven: normal control, NC; high-fat diet control, HFC; high-fat diet-0.5% FRG, HF-FRGL; and high-fat diet-1% FRG, HF-FRGH. All rats were fed a high-fat diet for eight weeks, except those in the NC group, while rats in the FRG treatment groups received drinking water containing 0...
December 2016: Laboratory Animal Research
https://www.readbyqxmd.com/read/28038677/altered-lipoproteins-in-patients-with-systemic-lupus-erythematosus-are-associated-with-augmented-oxidative-stress-a-potential-role-in-atherosclerosis
#14
Jin Kyun Park, Jae-Yong Kim, Jin Young Moon, Eun Young Ahn, Eun Young Lee, Eun Bong Lee, Kyung-Hyun Cho, Yeong Wook Song
BACKGROUND: To examine the structural and oxidative properties of lipoproteins from patients with systemic lupus erythematosus (SLE). METHODS: The lipid profiles of 35 SLE patients and 15 healthy controls (HCs) were compared. Oxidation status, susceptibility to oxidation, and structural integrity of low-density lipoprotein (LDL) were determined by measuring malondialdehyde (MDA), de novo formation of conjugated dienes in the presence of CuSO4, and mobility on gel electrophoresis, respectively...
December 30, 2016: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28034282/evaluation-of-antidiabetic-activity-of-carnosol-phenolic-diterpene-in-rosemary-in-streptozotocin-induced-diabetic-rats
#15
Tahere Farkhondeh, Saeed Samarghandian, Abasalt Borji
Carnosol (CS) is an ortho-diphenolic diterpene in rosemary with great antioxidant potential. This study was designed to investigate the hypolipidemic, anti-oxidant, and anti-diabetic activities of CS. In our experiment, the rats were divided into the following groups of 8 animals each: control, untreated diabetic, three CS (1, 5, 10 mg/kg/day)-treated diabetic groups. On the first day of the study, the diabetic groups were given streptozotocin (STZ) in a single intraperitoneal (i.p.) injection at a dose of 60 mg/kg for induction of diabetes...
December 29, 2016: Cardiovascular & Hematological Disorders Drug Targets
https://www.readbyqxmd.com/read/28028366/hepatoprotective-and-antioxidant-effects-of-lycopene-on-non-alcoholic-fatty-liver-disease-in-rat
#16
Wei Jiang, Mei-Hua Guo, Xin Hai
AIM: To evaluate the hepatoprotective effect of lycopene (Ly) on non-alcoholic fatty liver disease (NAFLD) in rat. METHODS: A rat model of NAFLD was first established by feeding a high-fat diet for 14 wk. Sixty-five rats were randomly divided into normal group, model group and Ly treatment groups. Alanine aminotransferase (ALT), aspartate aminotransferase (AST), triglycerides (TG), total cholesterol (TC) in serum and low density lipoprotein-cholesterol (LDL-C), high density lipoprotein-cholesterol (HDL-C), free fatty acid (FFA), malondialdehyde (MDA), superoxide dismutase (SOD), glutathione (GSH) in liver tissue were evaluated, respectively...
December 14, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28011384/effect-of-hydroalcoholic-allium-ampeloprasum-extract-on-oxidative-stress-diabetes-mellitus-and-dyslipidemia-in-alloxan-induced-diabetic-rats
#17
Mohammad Rahimi-Madiseh, Esfandiar Heidarian, Soleiman Kheiri, Mahmoud Rafieian-Kopaei
Allium ampeloprasum (AA) is a medicinal plant which is used in Iranian traditional medicine to treat or prevent different diseases. The aim of this study is to investigate the effect of AA extract on oxidative stress and dyslipidemia in diabetic rats induced by alloxan. In this experimental study, 60 male Wistar rats weighing 200-250gr were randomly divided to five groups of 12 each including healthy control (group I), diabetic control (group II), metformin-treated diabetic positive control (group III) and two groups treated with doses 400 (group IV) and 800 (groupV) mg/kg/BW of AA extracts...
February 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28002036/serum-levels-of-oxidative-stress-markers-in-patients-with-type-2-diabetes-mellitus-and-non-alcoholic-steatohepatitis
#18
F Casoinic, D Sampelean, Anca D Buzoianu, N Hancu, Dorina Baston
INTRODUCTION: Oxidative stress is one of the key mechanisms responsible for disease progression in non-alcoholic fatty liver disease. The aim of this study was to evaluate the serum levels of oxidative stress markers in patients with type 2 diabetes mellitus (DMT2) and non-alcoholic steatohepatitis (NASH) and test their relationships with clinical and biochemical patient characteristics, compared to patients with DMT2 without non-alcoholic fatty liver disease (NAFLD), and controls. MATERIALS AND METHODS: In all, 60 consecutive patients with DMT2 and NASH, 55 with DMT2 without NAFLD, and 50 age-and-gender-matched healthy subjects participated in the study...
December 1, 2016: Romanian Journal of Internal Medicine, Revue Roumaine de Médecine Interne
https://www.readbyqxmd.com/read/27987917/hepatoprotection-of-enzymatic-extractable-mycelia-zinc-polysaccharides-by-pleurotus-eryngii-var-tuoliensis
#19
Nuo Xu, Zheng Gao, Jianjun Zhang, Huijuan Jing, Shangshang Li, Zhenzhen Ren, Shouxian Wang, Le Jia
The purpose of this work was designed to investigate the hepatoprotective and antioxidant effects of enzymatic-extractable mycelia zinc polysaccharides (En-MZPS) from Pleurotus eryngii var. tuoliensis on the hyperlipidemic mice induced by high-fat-high-cholesterol emulsion (HFHCM). The results showed that the supplementation of En-MZPS had potential anti-hyperlipidemia effects on reducing hepatic lipid levels by monitoring the serum enzyme activities (ALP, ALT and AST) and serum lipid levels (TC, TG, HDL-C, LDL-C and VLDL-C), enhancing the antioxidant enzymes (SOD, GSH-Px, CAT and T-AOC), and decreasing the lipid peroxidation (MDA and LPO)...
February 10, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/27957651/carnosic-acid-protects-non-alcoholic-fatty-liver-induced-dopaminergic-neuron-injury-in-rats
#20
Ting Xu, Junjun Zhou, Jie Zhu, Shuai Zhang, Ning Zhang, Yan Zhao, Chunchun Ding, Xue Shi, Jihong Yao
Non-alcoholic fatty liver disease (NAFLD) has been reported to induce cognitive impairments of hippocampus and may influence central nervous system. In the present study, we investigated whether carnosic acid (CA) ameliorates dopaminergic neuron injury in a rat model of NAFLD. In order to induce NAFLD, rats were fed with high-fat diet (HFD) for 10 weeks. We found that continued CA administration reduced lipid accumulation marked by decreases in alanine aminotransferase (ALT), aspartate aminotransferase (AST), triglyceride (TG), total cholesterol (TC) and low-density lipoprotein cholesterol (LDL-C) levels, and an increase in high-density lipoprotein cholesterol (HDL-C) level in the serum...
December 13, 2016: Metabolic Brain Disease
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