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https://www.readbyqxmd.com/read/28539827/traditional-chinese-medication-qiliqiangxin-protects-against-cardiac-remodeling-and-dysfunction-in-spontaneously-hypertensive-rats
#1
Hui Wang, Xiaomin Zhang, Pujiao Yu, Qiulian Zhou, Jialiang Zhang, Haifeng Zhang, Hongsheng Zhu, Chenlin Zhang, Wenming Yao, Lin Che, Jiahong Xu, Yihua Bei, Xinli Li
Qiliqiangxin (QLQX), a traditional Chinese herbs medication, exerted protective effect in chronic heart failure patients in a multicenter randomized double-blind study. QLQX has also been found to improve cardiac function and reduce cardiac fibrosis in spontaneously hypertension animal model. However, the effect of longterm treatment with QLQX in such a condition and the related molecular mechanisms remain largely unknown. In the present study, thirteen-week-old spontaneously hypertensive rats (SHRs) were treated by daily intragastric administration of QLQX or saline for one year...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28537652/efficacy-and-safety-of-very-low-calorie-ketogenic-diet-a-double-blind-randomized-crossover-study
#2
C Colica, G Merra, A Gasbarrini, A De Lorenzo, G Cioccoloni, P Gualtieri, M A Perrone, S Bernardini, V Bernardo, L Di Renzo, M Marchetti
OBJECTIVE: To verify safety respect to weight loss, cardiometabolic diseases of short-term Very low-calorie ketogenic diets (VLCKDs, <800 kcal day-1). PATIENTS AND METHODS: Randomized cross-over trial with placebo. The study had no. 2 dietary treatment (DT), conducted in two arms: (1) VLCKD1 in which 50% of protein intake is replaced with synthetic amino acids; (2) VLCKD2 with placebo. The VLCKDs (<800 kcal day-1) were different in term of protein content and quality each arm lasted three weeks (wks)...
May 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28534088/the-ppar-gamma-binding-sequence-pal3-is-necessary-for-basal-but-dispensable-for-high-fat-diet-regulated-human-renin-expression-in-the-kidney
#3
Peter Lachmann, Jenny Selbmann, Linda Hickmann, Bernd Hohenstein, Christian Hugo, Vladimir T Todorov
We reported earlier that PPAR-gamma regulates renin transcription through a human-specific atypical binding sequence termed hRen-Pal3. Here we developed a mouse model to investigate the functional relevance of the hRen-Pal3 sequence in vivo since it might be responsible for the increased renin production in obesity and thus for the development of accompanying arterial hypertension. We used bacterial artificial chromosome construct and co-placement strategy to generate two transgenic mouse lines expressing the human renin gene from identical genomic locus without affecting the intrinsic mouse renin expression...
May 22, 2017: Pflügers Archiv: European Journal of Physiology
https://www.readbyqxmd.com/read/28506911/mangiferin-protects-against
#4
Shorouk M El-Sayyad, Ayman A Soubh, Azza S Awad, Hanan S El-Abhar
AIM: Mangiferin (MF), a xanthonoid from Mangifera indica, possesses anti-inflammatory, immunomodulatory, and potent antioxidant effects; however, its protective effect against mesenteric ischemia/reperfusion (I/R)-induced liver injury has not been fully clarified. The study was designed to assess the possible mechanism of action of MF against mesenteric I/R model. MAIN METHODS: Male Wister rats were treated with MF (20mg/kg, i.p) or the vehicle for 3 days before I/R, which was induced by clamping the superior mesenteric artery for 30minutes followed by declamping for 60minutes...
May 12, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28499821/x-ray-crystal-structure-of-rivoglitazone-bound-to-ppar%C3%AE-and-ppar-subtype-selectivity-of-tzds
#5
Harinda Rajapaksha, Harpreet Bhatia, Kate Wegener, Nikolai Petrovsky, John B Bruning
Thiazolidinedione (TZD) compounds targeting the nuclear receptor peroxisome proliferator-activated receptor gamma (PPAR) demonstrate unique benefits for the treatment of insulin resistance and type II diabetes. TZDs include rosiglitazone, pioglitazone and rivoglitazone, with the latter being the most potent. The TZDs are only marginally selective for the therapeutic target PPARγ as they also activate PPARα and PPARδ homologues to varying degrees, causing off-target effects. While crystal structures for TZD compounds in complex with PPARγ are available, minimal structural information is available for TZDs bound to PPARα and PPARδ...
May 9, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28498479/ppar-%C3%AE-improves-the-recovery-of-lung-function-following-acute-respiratory-distress-syndrome-by-suppressing-the-level-of-tgf-%C3%AE-1
#6
Yang Liu, Liping Xie, Mingquan Yang, Xiaofei Tan, Yonghong Zeng, Gang Zheng, Youying Chen, Ping Chen
Although peroxisome proliferator-activated receptor (PPAR)-α has been reported to be involved in preventing acute lung injury (ALI), the molecular regulation of post‑ALI lung recovery remains to be fully elucidated. The aim of the present study was to characterize the mechanism by which PPAR‑α prevents ALI and examine the role of PPAR‑α in the recovery of lung function following acute respiratory distress syndrome (ARDS). Reverse transcription‑quantitative‑polymerase chain reaction and western blot analyses suggested that PPAR‑α was effective in suppressing transforming growth factor (TGF)‑β1 in HLF cells and RAW 264...
May 10, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28494548/-the-role-of-cytochrome-p450-in-nonalcoholic-fatty-liver-induced-by-high-fat-diet-a-gene-expression-profile-analysis
#7
Y Liu, F Cheng, Y X Luo, P Hu, H Ren, M L Peng
Objective: To clarify the role of cytochrome P450 in nonalcoholic fatty liver disease (NAFLD) by RNA-Seq and bioinformatics analysis. Methods: A total of 20 male C57BL/6 mice were used. Ten mice were fed with high-fat diet (D12492, 60% kcal fat) for 16 weeks to establish a mouse model of NAFLD, and the other 10 mice were fed with low-fat diet (D12450B, 10% kcal fat) as control group. At the end of the experiment, the body weight, liver weight, and hepatic triglyceride (TG) content were measured. Meanwhile, HE staining and RNA-Seq analysis were performed for the liver tissues...
April 20, 2017: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
https://www.readbyqxmd.com/read/28486149/dietary-supplementation-with-long-chain-monounsaturated-fatty-acid-isomers-decreases-atherosclerosis-and-alters-lipoprotein-proteomes-in-ldlr-mice
#8
Zhi-Hong Yang, Scott M Gordon, Denis Sviridov, Shuibang Wang, Robert L Danner, Milton Pryor, Boris Vaisman, Yuka Shichijo, Nobushige Doisaki, Alan T Remaley
BACKGROUND AND AIMS: Concentrated fish oils, containing a mixture of long-chain monounsaturated fatty acids (LCMUFA) with aliphatic chains longer than 18 C atoms (i.e., C20:1 and C22:1), have been shown to attenuate atherosclerosis development in mouse models. It is not clear, however, how individual LCMUFA isomers may act on atherosclerosis. METHODS: In the present study, we used saury fish oil-derived concentrates enriched in either C20:1 or C22:1 isomer fractions to investigate their individual effect on atherosclerosis and lipoprotein metabolism...
April 25, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28484897/effects-of-dietary-vitamin-e-supplementation-on-growth-performance-fatty-acid-composition-lipid-peroxidation-and-peroxisome-proliferator-activated-receptors-ppar-expressions-in-juvenile-blunt-snout-bream-megalobrama-amblycephala
#9
Yin Zhang, Yang Li, Xiao Liang, Jian Gao
A 9-week feeding experiment was conducted to evaluate the effects of dietary vitamin E (VE) supplementation on growth performance, liver fatty acid composition, lipid peroxidation and peroxisome proliferator-activated receptors (PPAR) genes expressions in blunt snout bream juveniles. Fish (average initial weight: 0.59 g) were fed diet supplemented with 0, 50, 100, 300 and 500 mg α-tocopherol acetate/kg in triplicates, which were found to, respectively, contain 11.2, 56.3, 114.6, 306.5 and 588.4 mg α-tocopherol/kg diet...
May 8, 2017: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/28483457/in-vitro-and-in-vivo-pharmacology-of-nxt629-a-novel-and-selective-ppar%C3%AE-antagonist
#10
Karin J Stebbins, Alex R Broadhead, Geraldine Cabrera, Lucia D Correa, Davorka Messmer, Richard Bundey, Christopher Baccei, Yalda Bravo, Austin Chen, Nicholas S Stock, Peppi Prasit, Daniel S Lorrain
Peroxisome-proliferator activated receptors (PPAR) are members of the nuclear hormone receptor superfamily which regulate gene transcription. PPARα is a key regulator of lipid homeostasis and a negative regulator of inflammation. Under conditions of metabolic stress such as fasting or glucose deprivation, PPARα is upregulated in order to control gene expression necessary for processing alternate fuel sources (e.g. fatty acid oxidation) and thereby promote maintenance of cell viability. Clinically, PPARα expression is upregulated in diseased tissues such as melanoma, chronic lymphocytic leukemia, ovarian and prostate cancer...
May 5, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28474570/targeting-pparalpha-in-alzheimer-s-disease
#11
Barbara D Orio, Anna Fracassi, Maria Paola Cerù, Sandra Moreno
Alzheimer's disease (AD) is the result of a combination of genetic and environmental risk factors and the molecular mechanisms underlying cognitive decline are yet to be fully elucidated. The so-called "amyloid cascade hypothesis" has long been the prevailing paradigm for causation of disease, and today being revisited in relation to other pathogenic pathways, such as oxidative stress, neuroinflammation and lipid and glucose dysmetabolism. The peroxisome proliferator-activated receptors (PPARs) are expressed in the CNS and regulate many physiological processes, such as energy metabolism, neurotransmission, redox homeostasis, autophagy and cell cycle...
May 4, 2017: Current Alzheimer Research
https://www.readbyqxmd.com/read/28464894/hypolipidemic-effect-of-xh601-on-hamsters-of-hyperlipidemia-and-its-potential-mechanism
#12
Meng-Jie Zhao, Shan-Shan Wang, Yao Jiang, Ying Wang, Hong Shen, Pei Xu, Hua Xiang, Hong Xiao
BACKGROUND: The novel compound XH601 is a synthesized derivative of formononetin. The present study was to investigate the hypolipidemia effect and potential mechanism of XH601. METHODS: Male Golden Syrian hamsters were induced by high-fat diet (HFD) for eight weeks and the hyperlipidemic model was established successfully. After XH601 treatment, serum and hepatic biochemistry parameters of hamsters were detected and the effect of XH601 on adipose tissue was also analyzed...
May 2, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28449155/mitochondrial-dysfunction-in-diabetic-cardiomyopathy-effect-of-mesenchymal-stem-cell-with-ppar-%C3%AE-agonist-or-exendin-4
#13
Mohamed Abd Elaziz Wassef, Ola M Tork, Laila A Rashed, Walaa Ibrahim, Heba Morsi, Dina Mohamed Mekawy Rabie
Therapy targeting mitochondria may provide novel ways to treat diabetes and its complications. Bone marrow-derived mesenchymal stem cells (MSCs), the peroxisome proliferator-activated receptor gamma (PPAR-γ) agonists and exendin-4; an analog of glucagon-like peptide-1 have shown cardioprotective properties in many cardiac injury models. So, we evaluated their effects in diabetic cardiomyopathy (DCM) in relation to mitochondrial dysfunction. This work included seven groups of adult male albino rats: the control group, the non-treated diabetic group, and the treated diabetic groups: one group was treated with MSCs only, the second with pioglitazone only, the third with MSCs and pioglitazone, the forth with exendin-4 only and the fifth with MSCs and exendin-4...
April 27, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28438785/nuclear-receptor-research-in-zebrafish
#14
Marcel J M Schaaf
Nuclear receptors (NRs) form a superfamily of transcription factors that can be activated by ligands and are involved in a wide range of physiological processes. NRs are well conserved between vertebrate species. The zebrafish, an increasingly popular animal model system, contains a total of 73 NR genes, and orthologues of almost all human NRs are present. In this review article, an overview is presented of NR research in which the zebrafish has been used as a model. Research is described on the three most studied zebrafish NRs: the Estrogen Receptors (ERs), Retinoic Acid Receptors (RARs) and Peroxisome Proliferator-Activated Receptors (PPARs)...
April 24, 2017: Journal of Molecular Endocrinology
https://www.readbyqxmd.com/read/28433567/ppar-%C3%AE-agonist-rosiglitazone-reduces-autophagy-and-promotes-functional-recovery-in-experimental-traumaticspinal-cord-injury
#15
Hongpeng Li, Qin Zhang, Xiaohui Yang, Liping Wang
BACKGROUND: Secondary damage is often more important in determining the functional outcome and provides a practical target for therapeutic intervention. Rosiglitazone (ROSG) is a potent PPAR-γ agonist and has been shown to induce neuroprotection in animal models of spinal cord injury (SCI). However, it is still unclear whether this PPAR-γ agonist can mediate neuronal autophagy after SCI. METHODS: SCI was induced by application of vascular clips (force of 24g) to the dura via a four-level T5-T8 laminectomy...
April 20, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28428362/hepatic-lipid-accumulation-cause-and-consequence-of-dysregulated-glucoregulatory-hormones
#16
Caroline E Geisler, Benjamin Jennings Renquist
Fatty liver can be diet, endocrine, genetic, viral, or drug induced. Independent of cause, hepatic lipid accumulation promotes systemic metabolic dysfunction. By acting as peroxisome proliferator activated receptor (PPAR) ligands, hepatic non-esterified fatty acids upregulate expression of gluconeogenic, beta-oxidative, lipogenic, and ketogenic genes, promoting hyperglycemia, hyperlipidemia, and ketosis. The typical hormonal environment in fatty liver disease consists of hyperinsulinemia, hyperglucagonemia, hypercortisolemia, growth hormone deficiency, and elevated sympathetic tone...
April 20, 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28427149/interaction-between-ppar-%C3%AE-and-sorl1-gene-with-late-onset-alzheimer-s-disease-in-chinese-han-population
#17
Hui Zhang, Wei Zheng, Linlin Hua, Yutong Wang, Jinfeng Li, Hongying Bai, Shanshan Wang, Mingyao Du, Xuelian Ma, Chunyang Xu, Xiaodong Li, Bin Gong, Yunliang Wang
AIMS: To investigate the impact of sortilin-related receptor 1 gene 1 (SORL1) and peroxisome proliferator activated receptor gamma (PPAR G) gene single nucleotide polymorphisms (SNPs), gene- gene and gene- environment interactions and haplotype on late-onset Alzheimer's disease (LOAD) risk. METHODS: Hardy-Weinberg equilibrium (HWE), haplotype analysis and pairwise linkage disequilibrium (LD) analysis were investigated by using SNPStats (available online at http://bioinfo...
February 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28425913/loss-of-dnmt3a-and-dnmt3b-does-not-affect-epidermal-homeostasis-but-promotes-squamous-transformation-through-ppar-%C3%AE
#18
Lorenzo Rinaldi, Alexandra Avgustinova, Mercè Martín, Debayan Datta, Guiomar Solanas, Neus Prats, Salvador Aznar Benitah
The DNA methyltransferase Dnmt3a suppresses tumorigenesis in models of leukemia and lung cancer. Conversely, deregulation of Dnmt3b is thought to generally promote tumorigenesis. However, the role of Dnmt3a and Dnmt3b in many types of cancer remains undefined. Here, we show that Dnmt3a and Dnmt3b are dispensable for homeostasis of the murine epidermis. However, loss of Dnmt3a-but not Dnmt3b-increases the number of carcinogen-induced squamous tumors, without affecting tumor progression. Only upon combined deletion of Dnmt3a and Dnmt3b, squamous carcinomas become more aggressive and metastatic...
April 20, 2017: ELife
https://www.readbyqxmd.com/read/28424539/%C3%AE-3-adrenoceptor-activation-upregulates-apolipoprotein-a-i-expression-in-hepg2-cells-which-might-further-promote-cholesterol-efflux-from-macrophage-foam-cells
#19
Xia-Qing Gao, Yan-Fang Li, Zhi-Li Jiang
OBJECTIVE: The aim of this study was to explore the effects of β3-adrenoceptor (β3-AR) activation on HepG2 cells and its influence on cholesterol efflux from macrophage foam cells. MATERIALS AND METHODS: HepG2 cells were cultured and treated with the β3-AR agonist, BRL37344, and antagonist, SR52390A, and the expression of apolipoprotein (Apo) A-I, ApoA-II, ApoB, and β3-AR in the supernatants and cells was determined. The expression of peroxisome proliferator-activated receptor (PPAR) γ and PPARα in the HepG2 cells was also assessed...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28415751/gene-gene-interaction-between-pparg-and-cyp1a1-gene-on-coronary-artery-disease-in-the-chinese-han-population
#20
Xiaojiang Zhang, Shuzheng Lv, Chengjun Guo, Conghong Shi, Yunpeng Chi, Lin Zhao, Guozhong Wang, Zhisheng Wang
AIMS: To observe the influence of the peroxisome proliferator-activator receptor-G (PPAR-G) gene and cytochrome P4501A1 (CYP1A1) single-nucleotide polymorphisms (SNPs), and interactions among several SNPs on coronary artery disease (CAD) risk. METHODS: A total of 1106 participants (including 583 males and 523 females) including 550 CAD patients and 556 control subjects were recruited in this study, and the mean age for these participants was 55.5 ± 11.8 years old...
May 23, 2017: Oncotarget
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