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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
#1
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...
July 12, 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
#2
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
#3
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
#4
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...
June 28, 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
#5
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
#6
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
#7
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
#8
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
https://www.readbyqxmd.com/read/28638404/puerarin-protects-against-cardiac-fibrosis-associated-with-the-inhibition-of-tgf-%C3%AE-1-smad2-mediated-endothelial-to-mesenchymal-transition
#9
Ya-Ge Jin, Yuan Yuan, Qing-Qing Wu, Ning Zhang, Di Fan, Yan Che, Zhao-Peng Wang, Yang Xiao, Sha-Sha Wang, Qi-Zhu Tang
BACKGROUND: Puerarin is a kind of flavonoids and is extracted from Chinese herb Kudzu root. Puerarin is widely used as an adjuvant therapy in Chinese clinics. But little is known about its effects on regulating cardiac fibrosis. METHODS: Mice were subjected to transverse aorta constriction (TAC) for 8 weeks; meanwhile puerarin was given 1 week after TAC. Cardiac fibrosis was assessed by pathological staining. The mRNA and protein changes of CD31 and vimentin in both animal and human umbilical vein endothelial cells (HUVECs) models were detected...
2017: PPAR Research
https://www.readbyqxmd.com/read/28628909/nonalcoholic-fatty-liver-disease-impairs-the-cytochrome-p-450-dependent-metabolism-of-%C3%AE-tocopherol-vitamin-e
#10
Desirée Bartolini, Pierangelo Torquato, Carolina Barola, Angelo Russo, Chiara Rychlicki, Danilo Giusepponi, Guido Bellezza, Angelo Sidoni, Roberta Galarini, Gianluca Svegliati-Baroni, Francesco Galli
This study aims to investigate in in vivo and in vitro models of nonalcoholic fatty liver disease (NAFLD) the enzymatic metabolism of α-tocopherol (vitamin E) and its relationship to vitamin E-responsive genes with key role in the lipid metabolism and detoxification of the liver. The experimental models included mice fed a high-fat diet combined or not with fructose (HFD+F) and HepG2 human hepatocarcinoma cells treated with the lipogenic agents palmitate, oleate or fructose. CYP4F2 protein, a cytochrome P-450 isoform with proposed α-tocopherol ω-hydroxylase activity, decreased in HFD and even more in HFD+F mice liver; this finding was associated with increased hepatic levels of α-tocopherol and decreased formation of the corresponding long-chain metabolites α-13-hydroxy and α-13-carboxy chromanols...
June 7, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28627661/altered-expression-of-ppar%C3%A2-%C3%AE-and-trpc-in-neonatal-rats-with-persistent-pulmonary-hypertension
#11
Yanna Du, Jianhua Fu, Li Yao, Lin Qiao, Na Liu, Yujiao Xing, Xindong Xue
Persistent pulmonary hypertension of the newborn (PPHN) is a life‑threatening disease that is commonly observed in the neonatal intensive care unit. PPHN is pathologically characterized by pulmonary vascular remodeling and, in particular, pulmonary artery smooth muscle cell (PASMC) proliferation. Decreased expression levels of peroxisome proliferator‑activated receptor γ (PPAR‑γ), which is a member of the nuclear receptor hormone superfamily, in combination with elevated expressions of transient receptor potential cation channel, subfamily C, member 1 (TRPC1) and TRPC6 contributes to the PASMC proliferation and excessive pulmonary vascular remodeling in adult pulmonary hypertension (PH)...
August 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28611664/2-pentadecyl-2-oxazoline-the-oxazoline-of-pea-modulates-carrageenan-induced-acute-inflammation
#12
Stefania Petrosino, Michela Campolo, Daniela Impellizzeri, Irene Paterniti, Marco Allarà, Enrico Gugliandolo, Ramona D'Amico, Rosalba Siracusa, Marika Cordaro, Emanuela Esposito, Vincenzo Di Marzo, Salvatore Cuzzocrea
N-acylethanolamines (NAEs) involve a family of lipid molecules existent in animal and plant, with N-palmitoylethanolamide (PEA) that arouses great attention owing to its anti-inflammatory, analgesic and neuroprotective activities. Because PEA is produced on demand and exerts pleiotropic effects, the modulation of specific amidases for NAEs (and in particular NAE-hydrolyzing acid amidase NAAA, which is more selective for PEA) could be a condition to preserve its levels. Here we investigate the effect of 2-Pentadecyl-2-oxazoline (PEA-OXA) the oxazoline of PEA, on human recombinant NAAA in vitro and in an established model of Carrageenan (CAR)-induced rat paw inflammation...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28608654/comparative-evaluation-of-probiotics-effects-on-plasma-glucose-lipid-and-insulin-levels-in-streptozotocin-induced-diabetic-rats
#13
Faeghe Memarrast, Soudeh Ghafouri-Fard, Sedighe Kolivand, Saeedeh Jafary-Nodooshan, Nadia Neyazi, Esmaeil Sadroddiny, Elahe Motevaseli
BACKGROUND: Diabetes is a chronic disorder caused by the relative decrease in insulin production from the pancreas, tissue resistance to insulin, or both of them. Daily consumption of probiotics, particularly Lactobacilli has been proposed as a new strategy for prevention or control of diabetes. METHODS: In the current study, the effects of various probiotics including Lactobacillus reuteri (L.reuteri), Lactobacillus crispatus (L.crispatus) and Bacillus subtilis on the levels of blood glucose, lipid and insulin as well as HbA1c were investigated in rat models of streptozotocin (STZ)-induced diabetes and compared with metformin...
June 13, 2017: Diabetes/metabolism Research and Reviews
https://www.readbyqxmd.com/read/28607573/effects-of-radix-astragali-and-its-split-components-on-gene-expression-profiles-related-to-water-metabolism-in-rats-with-the-dampness-stagnancy-due-to-spleen-deficiency-syndrome
#14
Wen-Xiao Zhao, Ning Cui, Hai-Qiang Jiang, Xu-Ming Ji, Xiao-Chun Han, Bing-Bing Han, Tong Wang, Shi-Jun Wang
Radix Astragali (RA) with slight sweet and warm property is a significant "qi tonifying" herb; it is indicated for the syndrome of dampness stagnancy due to spleen deficiency (DSSD). The purpose of this research was to explore effects of RA and its split components on gene expression profiles related to water metabolism in rats with the DSSD syndrome for identifying components representing property and flavor of RA. The results indicated that RA and its split components, especially polysaccharides component, significantly increased the body weight and the urine volume and decreased the water load index of model rats...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28606623/the-interaction-between-alpha-7-nicotinic-acetylcholine-receptor-and-nuclear-peroxisome-proliferator-activated-receptor-%C3%AE-represents-a-new-antinociceptive-signaling-pathway-in-mice
#15
Giulia Donvito, Deniz Bagdas, Wisam Toma, Elnaz Rahimpour, Asti Jackson, Julie A Meade, Shakir AlSharari, Abhijit R Kulkarni, F Ivy Carroll, Aron H Lichtman, Roger L Papke, Ganesh A Thakur, M Imad Damaj
Recently, α7 nicotinic acetylcholine receptors (nAChRs), primarily activated by binding of orthosteric agonists, represent a target for anti-inflammatory and analgesic drug development. These receptors may also be modulated by positive allosteric modulators (PAMs), ago-allosteric ligands (ago-PAMs), and α7-silent agonists. Activation of α7 nAChRs has been reported to increase the brain levels of endogenous ligands for nuclear peroxisome proliferator-activated receptors type-α (PPAR-α), palmitoylethanolamide (PEA) and oleoylethanolamide (OEA), in a Ca(2+)-dependent manner...
June 9, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28602994/fish-collagen-peptide-inhibits-the-adipogenic-differentiation-of-preadipocytes-and-ameliorates-obesity-in-high-fat-diet-fed-mice
#16
Eun Ji Lee, Jinwoo Hur, Sun Ah Ham, Yeonji Jo, SangYoon Lee, Mi-Jung Choi, Han Geuk Seo
Bioactivities of fish collagen peptide are now being elucidated in diverse biological systems. Here, we investigated the effect of fish collagen peptide on the adipogenic differentiation of 3T3-L1 preadipocytes and in obese mice fed a high fat diet (HFD). Subcritical water-hydrolyzed fish collagen peptide (SWFCP) significantly inhibited lipid accumulation during the differentiation of 3T3-L1 preadipocytes, which was accompanied by decreased expression of CCAAT-enhancer-binding protein-α (C/EBP-α), peroxisome proliferator-activated receptor-γ (PPAR-γ), and adipocyte protein 2 (aP2) genes, key regulators of differentiation and maintenance of adipocytes...
June 9, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28598969/cucurbitacin-e-reduces-obesity-and-related-metabolic-dysfunction-in-mice-by-targeting-jak-stat5-signaling-pathway
#17
Munazza Murtaza, Gulnaz Khan, Meha Fatima Aftab, Shabbir Khan Afridi, Safina Ghaffar, Ayaz Ahmed, Rahman M Hafizur, Rizwana Sanaullah Waraich
Several members of cucurbitaceae family have been reported to regulate growth of cancer by interfering with STAT3 signaling. In the present study, we investigated the unique role and molecular mechanism of cucurbitacins (Cucs) in reducing symptoms of metabolic syndrome in mice. Cucurbitacin E (CuE) was found to reduce adipogenesis in murine adipocytes. CuE treatment diminished hypertrophy of adipocytes, visceral obesity and lipogenesis gene expression in diet induced mice model of metabolic syndrome (MetS)...
2017: PloS One
https://www.readbyqxmd.com/read/28595521/a-comparative-study-on-selective-ppar-modulators-through-quantitative-structure-activity-relationship-pharmacophore-and-docking-analyses
#18
Ashis Nandy, Kunal Roy, Achintya Saha
BACKGROUND: Metabolic syndrome is a matrix of different metabolic disorders which are the leading cause of death in human beings. Peroxysome proliferated activated receptor (PPAR) is a nuclear receptor involvedin metabolism of fats and glucose. OBJECTIVE: In order to explore structural requirements for selective PPAR modulators to control lipid and carbohydrate metabolism, the multi-cheminformatics studies have been performed. METHOD: Insilico modeling studies have been performed on a diverse set of PPAR modulators through quantitative structural-activity relationship (QSAR), pharmacophore mapping and docking studies...
June 8, 2017: Current Computer-aided Drug Design
https://www.readbyqxmd.com/read/28594915/conophylline-inhibits-non-alcoholic-steatohepatitis-in-mice
#19
Yukiomi Nakade, Kazumasa Sakamoto, Taeko Yamauchi, Tadahisa Inoue, Yuji Kobayashi, Takaya Yamamoto, Norimitsu Ishii, Tomohiko Ohashi, Yoshio Sumida, Kiyoaki Ito, Haruhisa Nakao, Yoshitaka Fukuzawa, Kazuo Umezawa, Masashi Yoneda
Conophylline (CnP), a vinca alkaloid extracted from the leaves of the tropical plant Ervatamia microphylla, attenuates hepatic fibrosis in mice. However, little is known about whether CnP inhibits steatosis, inflammation, and fibrosis in non-alcoholic steatohepatitis (NASH) in mice. A methionine-choline-deficient (MCD) diet was administered to male db/db mice as a NASH model, and CnP (1 μg/kg/d) was co-administered. Eight weeks after the commencement of the MCD diet, hepatic steatosis, inflammation, and fibrosis, and hepatic fat metabolism-, inflammation-, and fibrosis-related markers were examined...
2017: PloS One
https://www.readbyqxmd.com/read/28586387/salsalate-ameliorates-metabolic-disturbances-by-reducing-inflammation-in-spontaneously-hypertensive-rats-expressing-human-c-reactive-protein-and-by-activating-brown-adipose-tissue-in-nontransgenic-controls
#20
Jaroslava Trnovská, Jan Šilhavý, Ondřej Kuda, Vladimír Landa, Václav Zídek, Petr Mlejnek, Miroslava Šimáková, Hynek Strnad, Vojtěch Škop, Olena Oliyarnyk, Ludmila Kazdová, Martin Haluzík, Michal Pravenec
Chronic low-grade inflammation plays an important role in the pathogenesis of insulin resistance. In the current study, we tested the effects of salsalate, a non-steroidal anti-inflammatory drug, in an animal model of inflammation and metabolic syndrome using spontaneously hypertensive rats (SHR) that transgenically express human C-reactive protein (SHR-CRP rats). We treated 15-month-old male transgenic SHR-CRP rats and nontransgenic SHR with salsalate (200 mg/kg/day) mixed as part of a standard diet for 4 weeks...
2017: PloS One
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