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Peroxisome proliferator activated receptor

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https://www.readbyqxmd.com/read/28930193/different-effects-of-maternal-low-isoflavone-soy-protein-and-genistein-consumption-on-hepatic-lipid-metabolism-of-21-day-old-male-rat-offspring
#1
Anna Han, Sae Bom Won, Young Hye Kwon
Amino acid composition and isoflavone are alleged contributors to the beneficial effects of soy protein isolate (SPI) on lipid metabolism. Therefore, we investigated the contributing component(s) of SPI in a maternal diet to the regulation of lipid metabolism in offspring. We also determined serum parameters in dams to investigate specific maternal cues that might be responsible for this regulation. Female rats were fed either a casein (CAS), a low-isoflavone SPI, or a casein plus genistein (GEN, 250 mg/kg) diet for two weeks before mating, as well as during pregnancy and lactation...
September 20, 2017: Nutrients
https://www.readbyqxmd.com/read/28929690/-development-of-a-cell-based-peroxisome-proliferator-activated-receptors-ppars-screening-model-and-its-application-for-evaluation-of-triterpenoids-isolate-from-alismatis-rhizoma
#2
Xiao-Yan Li, Xiao-Hua Wang, Xiao-Qiang Huang, Ting-Ting Wu, Wen Xu, Shui-Sheng Wu
Peroxisome proliferators activated receptors (PPARs) are closely related to human chronic disease, such as diabetes mellitus and the other metabolic diseases. In this study, a cell-based PPARs (PPAR α/β/γ) model was developed for the screening of PPARs agonists from Alismatis Rhizoma (AR). Firstly, 293T cells were transfected with the reconstructed plasmid pBind-PPAR (α, β, or γ)-LBD and reporter gene pGL4.35, and the known PPARs agonists were used as the positive control (fenofibrate for PPARα, L165041 for PPARβ, and rosiglitazone for PPARγ)...
November 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28929345/pemafibrate-first-global-approval
#3
Hannah A Blair
Pemafibrate (Parmodia(®)) is a novel, highly selective peroxisome proliferator-activated receptor (PPAR)-α modulator (SPPARM). It acts by binding to PPAR-α and regulating the expression of target genes that modulate lipid metabolism, thereby decreasing plasma triglyceride levels and increasing high-density lipoprotein cholesterol levels. Developed by Kowa Company, Ltd., oral pemafibrate has been approved in Japan for the treatment of hyperlipidaemia (including familial hyperlipidaemia). This article summarizes the milestones in the development of pemafibrate leading to this first global approval for hyperlipidaemia...
September 19, 2017: Drugs
https://www.readbyqxmd.com/read/28928902/collaborative-power-of-nrf2-and-ppar%C3%AE-activators-against-metabolic-and-drug-induced-oxidative-injury
#4
REVIEW
Choongho Lee
Mammalian cells have evolved a unique strategy to protect themselves against oxidative damage induced by reactive oxygen species (ROS). Especially, two transcription factors, nuclear factor erythroid 2p45-related factor 2 (Nrf2) and peroxisome proliferator-activated receptor γ (PPARγ), have been shown to play key roles in establishing this cellular antioxidative defense system. Recently, several researchers reported ameliorating effects of pharmacological activators for these Nrf2 and PPARγ pathways on the progression of various metabolic disorders and drug-induced organ injuries by oxidative stress...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28928735/the-expression-of-the-short-isoform-of-thymic-stromal-lymphopoietin-in-the-colon-is-regulated-by-the-nuclear-receptor-peroxisome-proliferator-activated-receptor-gamma-and-is-impaired-during-ulcerative-colitis
#5
Anthony Martin Mena, Audrey Langlois, Silvia Speca, Lucil Schneider, Pierre Desreumaux, Laurent Dubuquoy, Benjamin Bertin
The etiology of inflammatory bowel diseases remains largely unknown. We previously demonstrated that the expression of the peroxisome proliferator activated receptor-gamma (PPARγ) is downregulated in colonic epithelial cells of patients with ulcerative colitis (UC). PPARγ is a nuclear receptor that modulates inflammation. We hypothesized that its deficiency may play a role in the loss of intestinal homeostasis through the control of immunomodulatory factors. We found that thymic stromal lymphopoietin (TSLP), an epithelial cytokine with pleiotropic functions, is regulated by PPARγ...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28928054/effect-of-the-antidiabetic-agent-pioglitazone-on-bone-metabolism-in-rats
#6
Junkichi Kanda, Nobuo Izumo, Yoshiko Kobayashi, Kenji Onodera, Taketoshi Shimakura, Noriaki Yamamoto, Hideaki E Takahashi, Hiroyuki Wakabayashi
Thiazolidinediones (TZDs) are synthetic peroxisome proliferator-activated receptor gamma (PPARγ) agonists used as therapy for type 2 diabetes. However, clinical studies reported that the therapeutic modulation of PPARγ activity using TZDs may induce negative effects on bone metabolism. This study aimed to evaluate the effect of the TZD pioglitazone on bone metabolism in rats. Male Wistar rats were treated orally with pioglitazone 5 or 20 mg/kg daily for 24 weeks. Bone strength was evaluated using a 3-point bending method, and bone histomorphometry was analyzed...
August 26, 2017: Journal of Pharmacological Sciences
https://www.readbyqxmd.com/read/28924543/effect-of-the-pro12ala-polymorphism-of-the-peroxisome-proliferator-activated-receptor-%C3%AE-2-gene-on-lipid-profile-and-adipokines-levels-in-obese-subjects
#7
E Becer, A Çırakoğlu
Peroxisome proliferator-activated receptor γ (PPARγ) is a key regulator of metabolism, adipokines production and secretion. The aim of this study was to investigate the association between the PPARγ2 gene Pro12Ala polymorphism in obesity in terms of body mass index (BMI), lipid parameters, homeostasis model assessment of insulin resistance (HOMA-IR), serum lipid, leptin, adiponectin, resistin and chemerin levels. The study included 160 obese and 140 non obese subjects. The Pro12Ala polymorphism was determined by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP)...
June 30, 2017: Balkan Journal of Medical Genetics: BJMG
https://www.readbyqxmd.com/read/28923829/estrogen-deprivation-aggravates-cardiac-hypertrophy-in-non-obese-type-2-diabetic-goto-kakizaki-gk-rats
#8
Nattayaporn Apaijai, Narattaphol Charoenphandhu, Jitjiroj Ittichaichareon, Panan Suntornsaratoon, Nateetip Krishnamra, Ratchaneevan Aeimlapa, Siriporn C Chattipakorn, Nipon Chattipakorn
Both type 2 diabetes mellitus (T2DM) and estrogen deprivation have been shown to be associated with the development of cardiovascular disease and adverse cardiac remodeling.  However, the role of estrogen deprivation on adverse cardiac remodeling in non-obese T2DM rats has not been clearly elucidated.  We hypothesized that estrogen-deprivation aggravates adverse cardiac remodeling in Goto-Kakizaki (GK) rats.  Wild-type (WT) and GK rats at the age of 9 months old were divided into 2 subgroups to have either a sham operation (WTS, GKS) or a bilateral ovariectomy (WTO, GKO) (n=6/subgroup)...
September 18, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28923496/deficiency-of-the-mitochondrial-nad-kinase-causes-stress-induced-hepatic-steatosis-in-mice
#9
Kezhong Zhang, Hyunbae Kim, Zhiyao Fu, Yining Qiu, Zhao Yang, Jiemei Wang, Deqiang Zhang, Xin Tong, Lei Yin, Jing Li, Jianmei Wu, Nathan R Qi, Sander M Houten, Ren Zhang
BACKGROUND & AIMS: The mitochondrial nicotinamide adenine dinucleotide (NAD) kinase (NADK2, also called MNADK) catalyzes phosphorylation of NAD to yield NADP. Little is known about the functions of mitochondrial NADP and MNADK in liver physiology and pathology. We investigated the effects of reduced mitochondrial NADP by deleting MNADK in mice. METHODS: We generated MNADK-knockout (KO) mice on a C57BL/6NTac background; mice with a wild-type Mnadk gene were used as controls...
September 15, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28923247/effects-of-plant-and-animal-based-high-fat-diets-on-lipid-storage-and-distribution-in-environmental-bacteria-colonized-gnotobiotic-mice
#10
Yi-Hsun Chen, Chien-Chao Chiu, Shao-Wen Hung, Ju-Yun Liu, Yu-Chih Wang, Qiang Lv, Cheng-Chih Hsu, Yi-Wen Huang, Wen-Ching Huang, Hsiao-Li Chuang, Ter-Hsin Chen
Different edible oils such as lard and soybean oil have been reported to interact with the gut microbiota, affecting host lipid metabolism. However, whether bacteria derived from the environment influence host lipid metabolism remains unclear. This study aimed to clarify the roles of environmental bacteria in host lipid storage and distribution with various edible oils. Gnotobiotic C57BL/6JNarl mice were inoculated with Lysinibacillus xylanilyticus and Paenibacillus azoreducens and then fed either a normal diet (LabDiet 5010, control group) or a diet containing 60% lard (L-group) or soybean oil (S-group) for 18 months...
September 15, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28922099/the-effects-of-probiotic-supplementation-on-gene-expression-related-to-inflammation-insulin-and-lipids-in-patients-with-multiple-sclerosis-a-randomized-double-blind-placebo-controlled-trial
#11
Omid Reza Tamtaji, Ebrahim Kouchaki, Mahmoud Salami, Esmat Aghadavod, Elmira Akbari, Maryam Tajabadi-Ebrahimi, Zatollah Asemi
BACKGROUND: Limited data are available assessing the effects of probiotic supplementation on gene expression related to inflammation, insulin, and lipids in patients with multiple sclerosis (MS). OBJECTIVES: The current study was conducted to assess the effects of probiotic supplementation on gene expression related to inflammation, insulin, and lipids in patients with MS. METHODS: This randomized, double-blind, placebo-controlled clinical trial was performed among 40 patients with MS...
September 18, 2017: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/28921681/anti-obesity-activity-of-saringosterol-isolated-from-sargassum-muticum-yendo-fensholt-extract-in-3t3-l1-cells
#12
Jung A Lee, Young-Rak Cho, Seong Su Hong, Eun-Kyung Ahn
Saringosterol, a steroid isolated from Sargassum muticum, a brown edible alga widely distributed on the seashores of southern and eastern Korea, has been shown to exhibit anti-obesity effect. In this study, we investigated the anti-obesity activity of saringosterol through various experiments. The inhibitory effect of saringosterol on adipogenesis was evaluated via Oil Red O staining in 3T3-L1 preadipocytes. After confirming that saringosterol is not cytotoxic to these cells by using the 3-[4,5-dimethylthiazol-2-yl]-2,5-diphenyltetrazolium bromide assay, the effect of saringosterol on the expression of various adipogenesis-related genes was analyzed via quantitative real-time polymerase chain reaction and western blotting...
September 18, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28920998/quantitative-evaluation-of-ppar-%C3%AE-2-pro12ala-polymorphism-with-hypertension
#13
REVIEW
W Yang, J Wang, W Ye, X Li
BACKGROUND: The peroxisome proliferator-activated receptor γ2 (PPARγ2)Pro12Ala polymorphism has been reported to be associated with hypertension. However, relevant studies have shown inconsistent results. METHODS: To quantitatively evaluate the relationship between the PPARγ2Pro12Ala polymorphism and hypertension risk, we conducted a meta-analysis based on all available studies selected from Scopus, Web of Science, PubMed, Chinese National Knowledge Infrastructure, and Wanfang databases...
September 18, 2017: Herz
https://www.readbyqxmd.com/read/28919427/age-dependent-atrial-arrhythmic-phenotype-secondary-to-mitochondrial-dysfunction-in-pgc-1%C3%AE-deficient-murine-hearts
#14
Haseeb Valli, Shiraz Ahmad, Karan Chadda, Ali Al-Hadithi, Andrew A Grace, Kamalan Jeevaratnam, Christopher L-H Huang
INTRODUCTION: Ageing and several age-related chronic conditions including obesity, insulin resistance and hypertension are associated with mitochondrial dysfunction and represent independent risk factors for atrial fibrillation (AF). MATERIALS AND METHODS: Atrial arrhythmogenesis was investigated in Langendorff-perfused young (3-4 month) and aged (>12 month), wild type (WT) and peroxisome proliferator activated receptor-γ coactivator-1β deficient (Pgc-1β(-/-)) murine hearts modeling age-dependent chronic mitochondrial dysfunction during regular pacing and programmed electrical stimulation (PES)...
September 14, 2017: Mechanisms of Ageing and Development
https://www.readbyqxmd.com/read/28919422/over-expression-of-ppar%C3%AE-in-obese-mice-adipose-tissue-improves-insulin-sensitivity
#15
Haruya Takahashi, Kohei Sanada, Hiroyuki Nagai, Yongjia Li, Yumeko Aoki, Takeshi Ara, Shigeto Seno, Hideo Matsuda, Rina Yu, Teruo Kawada, Tsuyoshi Goto
Peroxisome proliferator-activated receptor α (PPARα) is important in the regulation of lipid metabolism and expressed at high levels in the liver. Although PPARα is also expressed in adipose tissue, little is known about the relationship between its activation and the regulation of glucose metabolism. In this study, we developed adipose tissue specific PPARα over-expression (OE) mice. Metabolomics and insulin tolerance tests showed that OE induces branched-chain amino acid (BCAA) profile and improvement of insulin sensitivity...
September 15, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28918543/dietary-docosahexaenoic-acid-decreased-lipid-accumulation-via-inducing-adipocytes-apoptosis-of-grass-carp-ctenopharygodon-idella
#16
Ai Jin, Cai-Xia Lei, Jing-Jing Tian, Jian Sun, Hong Ji
The purpose of this study was to explore the mechanism of by which docosahexaenoic acid (DHA) inhibit the accumulation of adipose tissue lipid in grass carp (Ctenopharyngodon idella). We therefore designed two semi-purified diets, namely DHA-free (control) and DHA-supplemented, and fed them to grass carp (22.19 ± 1.76 g) for 3 and 6 weeks. DHA supplementation led to a significantly lower intraperitoneal fat index (IPFI) than that in the control group by reducing the number of adipocytes but significantly higher adipocyte size (P < 0...
September 17, 2017: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/28918476/effects-of-stocking-density-on-lipid-deposition-and-expression-of-lipid-related-genes-in-amur-sturgeon-acipenser-schrenckii
#17
Yuanyuan Ren, Haishen Wen, Yun Li, Jifang Li, Feng He, Meng Ni
To investigate the correlation between lipid deposition variation and stocking density in Amur sturgeon (Acipenser schrenckii) and the possible physiological mechanism, fish were conducted in different stocking densities (LSD 5.5 kg/m(3), MSD 8.0 kg/m(3), and HSD 11.0 kg/m(3)) for 70 days and then the growth index, lipid content, lipase activities, and the mRNA expressions of lipid-related genes were examined. Results showed that fish subjected to higher stocking density presented lower final body weights (FBW), specific growth ratio (SGR), and gonad adipose tissue index (GAI) (P < 0...
September 16, 2017: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/28916975/flaxseed-oil-supplementation-improve-gene-expression-levels-of-ppar-%C3%AE-lp-a-il-1-and-tnf-%C3%AE-in-type-2-diabetic-patients-with-coronary-heart-disease
#18
Ali Akbar Hashemzadeh, Nikoo Nasoohi, Fariba Raygan, Esmat Aghadavod, Elmira Akbari, Mohsen Taghizadeh, Mohammad Reza Memarzadeh, Zatollah Asemi
This study was carried out to determine the effects of flaxseed oil administration on gene expression levels related to insulin, lipid and inflammation in overweight diabetic patients with coronary heart disease (CHD). This randomized double-blind, placebo-controlled trial was conducted among 60 diabetic patients with CHD. Subjects were randomly allocated into two groups to intake either 1000 mg n-3 fatty acid from flaxseed oil containing 400 mg α-Linolenic acid [ALA (18:3n-3)] (n = 30) or placebo (n = 30) twice a day for 12 weeks...
September 15, 2017: Lipids
https://www.readbyqxmd.com/read/28916286/toxicology-studies-of-primycin-sulphate-using-a-three-dimensional-3d-in-vitro-human-liver-aggregate-model
#19
Ágota Pénzes, Elhusseiny Mohamed Mahmud Abdelwahab, Judit Rapp, Zsanett A Péteri, Judit Bovári-Biri, Csaba Fekete, György Miskei, Krisztián Kvell, Judit E Pongrácz
Primycin-sulphate is a highly effective compound against Gram (G) positive bacteria. It has a potentially synergistic effect with vancomycin and statins which makes primycin-sulphate a potentially very effective preparation. Primycin-sulphate is currently used exclusively in topical preparations such as in in vitro animal hepatocyte and neuromuscular junction studies (in mice, rats, snakes, frogs) as well as in in vitro human red blood cell experiments. During these studies, the use of primycin-sulphate resulted in reduced cellular membrane integrity and modified ion channel activity...
September 12, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28915638/oleoylethanolamide-inhibits-%C3%AE-melanocyte-stimulating-hormone-stimulated-melanogenesis-via-erk-akt-and-creb-signaling-pathways-in-b16-melanoma-cells
#20
Juan Zhou, Tong Ren, Ying Li, Anran Cheng, Wanyi Xie, Lanxi Xu, Lu Peng, Jinbin Lin, Lianxiang Lian, Yong Diao, Xin Jin, Lichao Yang
The present study aimed to examine the potential inhibitory activity of oleoylethanolamide (OEA) on α-melanocyte stimulating hormone (α-MSH)-stimulated melanogenesis and the molecular mechanism(s) involved in the process in B16 mouse melanoma cells. Our data demonstrated that OEA markedly inhibited melanin synthesis and tyrosinase activity in α-MSH-stimulated B16 cells. In addition, the expression of melanogenesis-related proteins, such as melanocortin-1 receptor (MC1R), microphthalmia-associated transcription factor (MITF), tyrosinase-related protein-1 (TRP-1) and tyrosinase, was suppressed in a concentration-dependent manner by OEA...
August 22, 2017: Oncotarget
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