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https://www.readbyqxmd.com/read/28819187/administration-of-mesenchymal-stromal-cells-before-renal-ischemia-reperfusion-attenuates-kidney-injury-and-may-modulate-renal-lipid-metabolism-in-rats
#1
Pauline Erpicum, Pascal Rowart, Laurence Poma, Jean-Marie Krzesinski, Olivier Detry, François Jouret
Mesenchymal stromal cells (MSC) have been demonstrated to attenuate renal ischemia/reperfusion (I/R) damage in rodent models. The mechanisms of such nephro-protection remain largely unknown. Furthermore, the optimal timing of MSC administration has been poorly investigated. Here, we compare the impact of MSC injection 7 days before (MSCD - 7) versus 1 day after (MSCD + 1) renal I/R in rats. Control groups received equivalent volumes of saline at similar time-points (SD - 7 and SD + 1). Right nephrectomy was performed, and left renal ischemia lasted 45 min...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28809727/models-of-non-alcoholic-fatty-liver-disease-and-potential-translational-value-the-effects-of-3-5-l-diiodothyronine
#2
Elena Grasselli, Laura Canesi, Piero Portincasa, Adriana Voci, Laura Vergani, Ilaria Demori
Non-alcoholic fatty liver disease (NAFLD) is the most common liver disorder in industrialized countries and is associated with increased risk of cardiovascular, hepatic and metabolic diseases. Molecular mechanisms on the root of the disrupted lipid homeostasis in NAFLD and potential therapeutic strategies can benefit of in vivo and in vitro experimental models of fatty liver. Here, we describe the high fat diet (HFD)-fed rat in vivo model, and two in vitro models, the primary cultured rat fatty hepatocytes or the FaO rat hepatoma fatty cells, mimicking human NAFLD...
August 8, 2017: Annals of Hepatology
https://www.readbyqxmd.com/read/28807878/sex-dependent-changes-in-lipid-metabolism-ppar-pathways-and-micrornas-that-target-ppars-in-the-fetal-liver-of-rats-with-gestational-diabetes
#3
Daiana Fornes, Verónica White, Romina Higa, Florencia Heinecke, Evangelina Capobianco, Alicia Jawerbaum
Gestational diabetes mellitus (GDM) is a prevalent disease that impairs fetal metabolism and development. We have previously characterized a rat model of GDM induced by developmental programming. Here, we analyzed lipid content, the levels of the three PPAR isotypes and the expression of microRNAs that regulate PPARs expression in the liver of male and female fetuses of control and GDM rats on day 21 of pregnancy. We found increased levels of triglycerides and cholesterol in the livers of male fetuses of GDM rats compared to controls, and, oppositely, reduced levels of triglycerides, cholesterol, phospholipids and free fatty acids in the livers of female fetuses of GDM rats compared to controls...
August 11, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28804442/mesozeaxanthin-protects-the-liver-and-reduces-cardio-metabolic-risk-factors-in-an-insulin-resistant-rodent-model
#4
Kazim Sahin, Cemal Orhan, Fatih Akdemir, Mehmet Tuzcu, Nurhan Sahin, Ismet Yilmaz, Shakir Ali, Jayant Deshpande, Vijaya Juturu
Background: Mesozeaxanthin (MZ) is a macular carotenoid which has been reported to have a number of pharmacological properties, including the antioxidant, and anticarcinogenic property, and has been stated to decrease the hepatocyte lipid content. Objective: In this study, we investigated the effect of MZ on cardio-metabolic health risk (CMHR) and its probable mechanisms of action in rats fed a high-fat diet (HFD). Design: Rats were randomly divided into four groups consisting of (i) Control, (ii) MZ, (iii) HFD, and (iv) HFD+MZ...
2017: Food & Nutrition Research
https://www.readbyqxmd.com/read/28801346/pan-ppar-agonist-iva337-is-effective-in-experimental-lung-fibrosis-and-pulmonary-hypertension
#5
Jerome Avouac, Irena Konstantinova, Christophe Guignabert, Sonia Pezet, Jeremy Sadoine, Thomas Guilbert, Anne Cauvet, Ly Tu, Jean-Michel Luccarini, Jean-Louis Junien, Pierre Broqua, Yannick Allanore
OBJECTIVE: To evaluate the antifibrotic effects of the pan-peroxisome proliferator-activated receptor (PPAR) agonist IVA337 in preclinical mouse models of pulmonary fibrosis and related pulmonary hypertension (PH). METHODS: IVA337 has been evaluated in the mouse model of bleomycin-induced pulmonary fibrosis and in Fra-2 transgenic mice, this latter being characterised by non-specific interstitial pneumonia and severe vascular remodelling of pulmonary arteries leading to PH...
August 11, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28799756/caffeic-acid-phenethyl-ester-propolis-extract-ameliorates-insulin-resistance-by-inhibiting-jnk-and-nf-%C3%AE%C2%BAb-inflammatory-pathways-in-diabetic-mice-and-hepg2-cells-models
#6
Jia-Rui Nie, Ya-Ning Chang, Yujia Li, Yingjun Zhou, Jiawen Qin, Zhen Sun, Haibin Li
Caffeic acid phenethyl ester (CAPE), extracted from propolis, was evaluated the ameliorative effects on insulin resistance and identified the mechanisms, using noninsulin-dependent diabetes mellitus (NIDDM) model mice and insulin resistance (IR) model cells. After 5-week of CAPE supplementation, insulin sensitivity, hyperlipidemia, and peroxisome proliferator-activated receptor-α (PPAR-α) levels were improved in mice. Pro-inflammatory cytokines in serum and the expressions of tumour necrosis factor- alpha (TNF-α) mRNA in tissues were markedly down-regulated from CAPE-treated mice...
August 11, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28799755/polypharmacology-of-n6-3-iodobenzyl-adenosine-5-n-methyluronamide-ib-meca-and-related-a3-adenosine-receptor-ligands-peroxisome-proliferator-activated-receptor-ppar-%C3%AE-partial-agonist-and-ppar-%C3%AE-antagonist-activity-suggests-their-anti-diabetic-potential
#7
Jinha Yu, Seyeon Ahn, Hee Jin Kim, Moonyoung Lee, Sungjin Ahn, Jungmin Kim, Sun Hee Jin, Eunyoung Lee, Gyudong Kim, Jae Hoon Cheong, Kenneth A Jacobson, Lak Shin Jeong, Minsoo Noh
A3 adenosine receptor (AR) ligands including A3 AR agonist, N6-(3-iodobenzyl)adenosine-5'-N-methyluronamide 1a (IB-MECA) were examined for adiponectin production in human bone marrow mesenchymal stem cells (hBM-MSCs). In this model, 1a significantly increased adiponectin production, which is associated with improved insulin sensitivity. However, A3 AR antagonists also promoted adiponectin production in hBM-MSCs, indicating that the A3 AR pathway may not be directly involved in the adiponectin promoting activity...
August 11, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28780348/integration-of-in-silico-approaches-to-determination-of-endocrine-disrupting-perfluorinated-chemicals-binding-potency-with-steroidogenic-acute-regulatory-protein
#8
K Kranthi Kumar, B Uma Devi, P Neeraja
A myriad of perfluorinated compounds (PFCs) have the ability to interfere with steroidogenic acute regulatory (StAR) protein. Consequently, PFCs breaches cholesterol biotransformation in mitochondria and cause fatal consequences in steroidogenesis however, these were poorly characterized. In the present study, we have evaluated toxic potencies, nuclear mediated probabilities and interaction profiles with StAR of PFCs using computational system biology tools. Toxicity endpoints revealed that PFCs contain high carcinogenicity, developmental toxicity, skin sensitization effects with low mutagenic activity...
August 2, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28770225/pegylated-curcumin-derivative-attenuates-hepatic-steatosis-via-creb-ppar-%C3%AE-cd36-pathway
#9
Yu Liu, Fei Cheng, Yuxuan Luo, Zhu Zhan, Peng Hu, Hong Ren, Huadong Tang, Mingli Peng
Curcumin has the potential to cure dyslipidemia and nonalcoholic fatty liver disease (NAFLD). However, its therapeutic effects are curbed by poor bioavailability. Our previous work has shown that modification of curcumin with polyethylene glycol (PEG) improves blood concentration and tissue distribution. This study sought to investigate the role of a novel PEGylated curcumin derivative (Curc-mPEG454) in regulating hepatic lipid metabolism and to elucidate the underlying molecular mechanism in a high-fat-diet- (HFD-) fed C57BL/6J mouse model...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28760335/microrna-21-regulates-peroxisome-proliferator-activated-receptor-alpha-a-molecular-mechanism-of-cardiac-pathology-in-cardiorenal-syndrome-type-4
#10
Sandra Chuppa, Mingyu Liang, Pengyuan Liu, Yong Liu, Marc C Casati, Allen W Cowley, Leah Patullo, Alison J Kriegel
Cardiovascular events are the leading cause of death in patients with chronic kidney disease (CKD), although the pathological mechanisms are poorly understood. Here we longitudinally characterized left ventricle pathology in a 5/6 nephrectomy rat model of CKD and identify novel molecular mediators. Next-generation sequencing of left ventricle mRNA and microRNA (miRNA) was performed at physiologically distinct points in disease progression, identifying alterations in genes in numerous immune, lipid metabolism, and inflammatory pathways, as well as several miRNAs...
July 28, 2017: Kidney International
https://www.readbyqxmd.com/read/28744220/rosmarinic-acid-protects-against-inflammation-and-cardiomyocyte-apoptosis-during-myocardial-ischemia-reperfusion-injury-by-activating-peroxisome-proliferator-activated-receptor-gamma
#11
Jichun Han, Dong Wang, Lei Ye, Peng Li, Wenjin Hao, Xiaoyu Chen, Jun Ma, Bo Wang, Jing Shang, Defang Li, Qiusheng Zheng
The cardiac ischemia-reperfusion (I/R) injury greatly influences the therapeutic effect and remains an urgent challenge in clinical therapy. Polypharmacology opens a new therapeutic opportunity to design drugs with a specific target for improving the efficacy. In this study, we first forecasted that Rosmarinic acid (RosA) could be used for the treatment of cardiovascular disease using text mining, chemometric and chemogenomic methods. Consistent with the effect of the positive drug (pioglitazone, PIO), we subsequently validated that RosA pretreatment could restore the decreased cardiac hemodynamic parameters (LVDP, ± dp/dtmin, ± dp/dtmax and CF), decreased the infarct size and the cardiomyocyte apoptosis in a rat model of cardiac I/R injury...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28740282/effects-of-marine-collagen-peptides-on-glucose-metabolism-and-insulin-resistance-in-type-2-diabetic-rats
#12
CuiFeng Zhu, Wei Zhang, Bo Mu, Fan Zhang, NanNan Lai, JianXin Zhou, AiMin Xu, JianGuo Liu, Yong Li
The present study was conducted to investigate the effects of marine collagen peptides (MCPs) on glucose metabolism and insulin resistance using a rat model of type 2 diabetes mellitus (T2DM). Forty T2DM obese Wistar rats were randomly assigned to receive varying doses of MCPs or a vehicle control for 4 weeks. Blood glucose and insulin levels, as well as oxidative stress and inflammation were measured. The expression of glucose transporter type 4 (GLUT4) in skeletal muscles and peroxisome proliferator-activated receptor-α (PPAR-α) in livers of T2DM rats was also measured...
July 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28711683/anti-obesogenic-effects-of-wy14643-ppar-alpha-agonist-hepatic-mitochondrial-enhancement-and-suppressed-lipogenic-pathway-in-diet-induced-obese-mice
#13
Flavia Maria Silva Veiga, Francielle Graus-Nunes, Tamiris Lima Rachid, Aline Barcellos Barreto, Carlos Alberto Mandarim-de-Lacerda, Vanessa Souza-Mello
Non-alcoholic fatty liver disease (NAFLD) presents with growing prevalence worldwide, though its pharmacological treatment remains to be established. This study aimed to evaluate the effects of a PPAR-alpha agonist on liver tissue structure, ultrastructure, and metabolism, focusing on gene and protein expression of de novo lipogenesis and gluconeogenesis pathways, in diet-induced obese mice. Male C57BL/6 mice (three months old) received a control diet (C, 10% of lipids, n = 10) or a high-fat diet (HFD, 50% of lipids, n = 10) for ten weeks...
September 2017: Biochimie
https://www.readbyqxmd.com/read/28706181/effects-of-an-enriched-extract-of-paeoniflorin-a-monoterpene-glycoside-used-in-chinese-herbal-medicine-on-cholesterol-metabolism-in-a-hyperlipidemic-rat-model
#14
Huiming Hu, Qiaoqiao Zhu, Jie Su, Yajun Wu, Yanchen Zhu, Yin Wang, Hui Fang, Minxia Pang, Bo Li, Suhong Chen, Guiyuan Lv
BACKGROUND Paeoniflorin is a monoterpene glycoside extracted from the roots of Paeonia lactiflora and is used in Chinese herbal medicine to treat hyperlipidemia. The aim of this study was to evaluate the effects of an enriched extract of paeoniflorin on cholesterol levels, hemodynamics, and oxidative stress in a hyperlipidemic rat model. MATERIAL AND METHODS Male Sprague-Dawley rats were fed high-cholesterol diets and treated with three different doses of paeoniflorin for 12 weeks. The effects of paeoniflorin treatment were assessed on cholesterol levels, cholesterol metabolism, red blood cell vascular flow using hemorheology, antioxidant enzymes, and expression of the rate-limiting enzyme in the mevalonate pathway, 3-hydroxy-3-methylglutharyl-coenzyme A reductase (HMG-CoAR)...
July 14, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28669518/impact-of-interaction-between-ppar-alpha-and-ppar-gamma-on-breast-cancer-risk-in-the-chinese-han-population
#15
Xiong Lianggeng, Liang Baiwu, Bai Maoshu, Liu Jiming, Li Youshan
BACKGROUND: Several studies have been conducted to investigate the association of the peroxisome proliferator-activated receptor (PPAR) alpha (PPAR A) and PPAR gamma (PPAR G) polymorphism and breast cancer (BC) risk, but the results were inconsistent, and, until now, no study focused on the impact of gene-gene interactions between PPAR A and PPAR G on BC risk; thus, the aim of this study was to investigate the impact of interaction between PPAR A and PPAR G on BC risk in the Chinese Han population...
October 19, 2016: Clinical Breast Cancer
https://www.readbyqxmd.com/read/28668397/interleukin-6-c-ebp-%C3%AE-and-ppar-%C3%AE-expression-correlates-with-intramuscular-liposarcoma-growth-in-mice-the-impact-of-voluntary-physical-activity-levels
#16
Mohamad Assi, Moussa Kenawi, Mickaël Ropars, Amélie Rébillard
IL-6 is an axial cytokine overexpressed in cancer to promote growth and increase resistance to anti-cancer therapies. As the application of IL-6-targeting therapies are still limited, alternative non-aggressive and adjuvant approaches, like physical activity (PA) could be useful to reverse IL-6 effects. To get more insights into liposarcoma (LS) pathophysiology, we investigated potential molecular links between IL-6 and LS growth and we tested the impact of PA on such mechanism in an orthotopic model of intramuscular LS...
August 26, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28656081/effect-of-rosiglitazone-on-amyloid-precursor-protein-processing-and-a%C3%AE-clearance-in-streptozotocin-induced-rat-model-of-alzheimer-s-disease
#17
Li Wang, Wei Liu, Ying Fan, Tingting Liu, Chunjiang Yu
OBJECTIVES: Increasing evidence suggests that Alzheimer's disease (AD) is associated with diabetes. Rosiglitazone, a peroxisome proliferator-activated receptor γ (PPAR-γ) agonist and anti-diabetic agent, may improve symptoms of AD. However, the underlying therapeutic potential of it has not been fully elucidated. MATERIALS AND METHODS: Rats were divided into four groups: control group, sham operated group, Streptozotocin (STZ) group, rosiglitazone (RGZ) group...
May 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28649126/cis-stilbene-glucoside-in-polygonum-multiflorum-induces-immunological-idiosyncratic-hepatotoxicity-in-lps-treated-rats-by-suppressing-ppar-%C3%AE
#18
Ya-Kun Meng, Chun-Yu Li, Rui-Yu Li, Lan-Zhi He, He-Rong Cui, Ping Yin, Cong-En Zhang, Peng-Yan Li, Xiu-Xiu Sang, Ya Wang, Ming Niu, Ya-Ming Zhang, Yu-Ming Guo, Rong Sun, Jia-Bo Wang, Zhao-Fang Bai, Xiao-He Xiao
The root of Polygonum multiflorum Thunb (PM) has been used in China to treat a variety of diseases, such as constipation, early graying of the hair and hyperlipemia. Recent evidence shows that PM causes idiosyncratic drug-induced liver injury (IDILI) in humans. In this study, we investigated the molecular basis of PM-induced liver injury in a rat model of IDILI based on a non-hepatotoxic dose of LPS. SD rats were orally administered 3 potentially hepatotoxic compounds of PM: cis-stilbene glucoside (cis-SG, 50 mg/kg), trans-SG (50 mg/kg) or emodin (5 mg/kg), followed by injection of LPS (2...
June 26, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/28647405/docosahexaenoic-acid-promotes-oligodendrocyte-differentiation-via-ppar-%C3%AE-signalling-and-prevents-tumor-necrosis-factor-%C3%AE-dependent-maturational-arrest
#19
A Bernardo, M L Giammarco, C De Nuccio, M A Ajmone-Cat, S Visentin, R De Simone, L Minghetti
Docosahexaenoic acid (DHA) is an essential omega-3 fatty acid known to be neuroprotective in several models of human diseases, including multiple sclerosis. The protective effects of DHA are largely attributed to its ability to interfere with the activity of transcription factors controlling immune and inflammatory responses, including the agonist-dependent transcription factor peroxisome proliferator-activated receptor-γ (PPAR-γ). In this study, we used primary oligodendrocyte progenitor (OP) cultures from neonatal rat brain to investigate whether DHA could influence OP maturation and directly promote myelination, as previously reported for selective PPAR-γ agonists...
June 22, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28646664/wogonin-attenuates-inflammation-by-activating-ppar-%C3%AE-in-alcoholic-liver-disease
#20
Hai-Di Li, Xin Chen, Yang Yang, Hui-Min Huang, Ling Zhang, Xin Zhang, Lei Zhang, Cheng Huang, Xiao-Ming Meng, Jun Li
Alcoholic liver disease (ALD) is one of the predominant causes of liver-related morbidity and mortality worldwide. However, effective therapy for ALD is still lacking. Wogonin, a major flavonoid compound, is found in Scutellaria baicalensis Georgi. Accumulating studies have revealed that wogonin possesses anti-inflammatory and anti-tumour activities in various models. However, the hepatoprotective activity of wogonin in ALD is still obscure. In this study, we found that wogonin significantly attenuated inflammatory response in EtOH-fed mice, and reduced the expression of inflammatory cytokines such as TNF-α and IL-6 in EtOH-induced RAW264...
June 21, 2017: International Immunopharmacology
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