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https://www.readbyqxmd.com/read/29040909/treatment-with-fenofibrate-plus-a-low-dose-of-benznidazole-attenuates-cardiac-dysfunction-in-experimental-chagas-disease
#1
Ágata C Cevey, Gerardo A Mirkin, Martín Donato, María J Rada, Federico N Penas, Ricardo J Gelpi, Nora B Goren
Trypanosoma cruzi induces serious cardiac alterations during the chronic infection. Intense inflammatory response observed from the beginning of infection, is critical for the control of parasite proliferation and evolution of Chagas disease. Peroxisome proliferator-activated receptors (PPAR)-α, are known to modulate inflammation. In this study we investigated whether a PPAR-α agonist, Fenofibrate, improves cardiac function and inflammatory parameters in a murine model of T. cruzi infection. BALB/c mice were sequentially infected with two T...
October 7, 2017: International Journal for Parasitology, Drugs and Drug Resistance
https://www.readbyqxmd.com/read/29035816/docosahexaenoic-acid-attenuates-carbon-tetrachloride-induced-hepatic-fibrosis-in-rats
#2
Jianlin He, Kaikai Bai, Bihong Hong, Feng Zhang, Shizhong Zheng
Fish oil containing docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) has been reported to exert beneficial health effects, including hepatoprotection. However, the effect of DHA alone has not been well studied, and the mechanism is not fully understood. In the present study, we reported the protective effect of DHA on carbon tetrachloride (CCl4) induced hepatic fibrosis. Compared with the control group, the CCl4 group showed hepatic damage as evidenced by histological changes and elevation in serum transaminase activity, fibrosis, inflammation and oxidative stress levels...
October 13, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/29034841/ppar-%C3%AE-and-wnt-regulate-the-differentiation-of-mscs-into-adipocytes-and-osteoblasts-respectively
#3
Yue Li, Daxiang Jin, Weixing Xie, Longfei Wen, Weijian Chen, Jixi Xu, Jinyong Ding, Dongcheng Ren
Under the transcriptional control of numerous factors and intracellular signals, mesenchymal stem cells (MSCs) can differentiate into various cell types, including adipocytes and osteoblasts. However, the precise cellular signaling factors that determine the cell fate of MSCs in bone marrow remain largely unknown. Peroxisome proliferator-activated receptor-γ (PPAR-γ) is well established as a prime inducer of adipogenesis, while the Wnt pathway is regarded as the master moderator of osteogenesis. A theoretical inverse relationship exists between adipogenic and osteogenic lineage commitment and differentiation: the differentiation toward an osteoblast phenotype occurs at the expense of an adipocyte phenotype...
October 12, 2017: Current Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29031784/isobarictags-for-relative-and-absolute-quantitation-itraq-based-proteomics-for-the-investigation-of-the-effect-of-huganqingzhi-on-non-alcoholic-fatty-liver-disease-in-rats
#4
Fan Xia, Xiaorui Yao, Waijiao Tang, Chunxin Xiao, Miaoting Yang, Benjie Zhou
ETHNOPHARMACOLOGICAL RELEVANCE: Hugan Qingzhi tablet (HQT), a traditional Chinese medicine formula has been adopted for preventing and treating nonalcoholic fatty liver disease (NAFLD). AIM: In order to explore the anti-NAFLD mechanisms of HQT, iTRAQ-based proteomics was employed to investigate the expression profiles of proteins in NAFLD rats induced by high-fat diet after HQT treatment. MATERIALS AND METHODS: The NAFLD rat model was administration of high-fat diet (HFD) for 12weeks and administering HQT in a daily basis to the HFD groups...
October 12, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29031719/macrophage-alternative-activation-confers-protection-against-lipotoxicity-induced-cell-death
#5
Lingling Dai, Prerna Bhargava, Kristopher J Stanya, Ryan K Alexander, Yae-Huei Liou, David Jacobi, Nelson H Knudsen, Alexander Hyde, Matthew R Gangl, Sihao Liu, Chih-Hao Lee
OBJECTIVE: Alternative activation (M2) of adipose tissue resident macrophage (ATM) inhibits obesity-induced metabolic inflammation. The underlying mechanisms remain unclear. Recent studies have shown that dysregulated lipid homeostasis caused by increased lipolysis in white adipose tissue (WAT) in the obese state is a trigger of inflammatory responses. We investigated the role of M2 macrophages in lipotoxicity-induced inflammation. METHODS: We used microarray experiments to profile macrophage gene expression regulated by two M2 inducers, interleukin-4 (Il-4), and peroxisome proliferator-activated receptor delta/gamma (Pparδ/Pparγ) agonists...
October 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/29031063/anticancer-properties-of-4-thiazolidinone-derivatives-depend-on-peroxisome-proliferator-activated-receptor-gamma-ppar%C3%AE
#6
Konrad A Szychowski, Marcin L Leja, Danylo V Kaminskyy, Anna P Kryshchyshyn, Urszula E Binduga, Oleh R Pinyazhko, Roman B Lesyk, Jakub Tobiasz, Jan Gmiński
Peroxisome proliferator-activated receptors (PPARs) play an important role in numerous chronic diseases such as diabetes, obesity, atherosclerosis and cancer, and PPAR modulators are among the approved drugs and drug-candidates for their treatment. The aim of this study was to elucidate the involvement of PPARs in the mechanism of cytotoxic and pro-apoptotic action of novel anticancer 4-thiazolidinone derivatives (Les-2194, Les-3377, Les-3640) and approved 4-thiazolidinones (Rosiglitazone, Pioglitazone) towards the human squamous carcinoma (SCC-15) cell line...
September 30, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29026721/expression-of-the-genes-for-peroxisome-proliferator-activated-receptor-%C3%AE-cyclooxygenase-2-and-proinflammatory-cytokines-in-granulosa-cells-from-women-with-polycystic-ovary-syndrome
#7
Joong Yeup Lee, Jin Cheol Tae, Chung Hyon Kim, Doyeong Hwang, Ki Chul Kim, Chang Suk Suh, Seok Hyun Kim
OBJECTIVE: To identify differences in the expression of the genes for peroxisome proliferator-activated receptor (PPAR)-γ, cyclooxygenase (COX)-2, and the proinflammatory cytokines interleukin (IL)-6 and tumor necrosis factor (TNF)-α in granulosa cells (GCs) from polycystic ovary syndrome (PCOS) patients and controls undergoing controlled ovarian stimulation. METHODS: Nine patients with PCOS and six controls were enrolled in this study. On the day of oocyte retrieval, GCs were collected from pooled follicular fluid...
September 2017: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/29026539/the-regulation-of-imf-deposition-in-pectoralis-major-of-fast-and-slow-growing-chickens-at-hatching
#8
Lu Liu, Huanxian Cui, Ruiqi Fu, Maiqing Zheng, Ranran Liu, Guiping Zhao, Jie Wen
BACKGROUND: The lipid from egg yolk is largely consumed in supplying the energy for embryonic growth until hatching. The remaining lipid in the yolk sac is transported into the hatchling's tissues. The gene expression profiles of fast- and slow-growing chickens, Arbor Acres (AA) and Beijing-You (BJY), were determined to identify global differentially expressed genes and enriched pathways related to lipid metabolism in the pectoralis major at hatching. RESULTS: Between these two breeds, the absolute and weight-specific amounts of total yolk energy (TYE) and intramuscular fat (IMF) content in pectoralis major of fast-growing chickens were significantly higher (P < 0...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/29025280/effects-of-prenatal-ppar-%C3%AE-agonist-rosiglitazone-exposure-on-rat-hippocampus-development-in-a-time-dependent-manner-a-stereological-and-histopathological-study
#9
D Sağır, B Eren, B D Yılmaz, Z Eren, O N Keleş, A B Gökçe
Rosiglitazone is in the thiazolidinedione class of drugs used in the treatment of type 2 diabetes mellitus. It works as an insulin sensitizer by binding to the peroxisome proliferator-activated receptor gamma. We investigated the effects of prenatally administered rosiglitazone on pyramidal cell numbers and morphologies in the hippocampus at postnatal period using histochemical and stereological techniques, congenital morphological properties and the number of offspring in rats. Eighteen female rats were grouped into control (C), low-dose rosiglitazone (LDR) and high-dose rosiglitazone (HDR)...
January 1, 2017: Human & Experimental Toxicology
https://www.readbyqxmd.com/read/29022212/effect-of-food-on-the-pharmacokinetics-of-saroglitazar-magnesium-a-novel-dual-ppar%C3%AE-%C3%AE-agonist-in-healthy-adult-subjects
#10
Maulik R Patel, Kevinkumar A Kansagra, Devang P Parikh, Deven V Parmar, Hardik B Patel, Mayur M Soni, Uday S Patil, Harilal V Patel, Jaimik A Patel, Swagat S Gujarathi, Krupi V Parmar, Nuggehally R Srinivas
BACKGROUND AND OBJECTIVE: Peroxisome proliferator-activated receptors (PPARs) have recently become a focus of interest for their important roles in glucose and lipid metabolism. In humans, PPARα activation causes a decrease in plasma triglyceride (TG) levels, enhancement of high-density lipoprotein cholesterol (HDL-C) and simultaneous enhancement of very-low-density lipoprotein (VLDL) lipolysis, whereas PPARγ agonists act as insulin sensitizers and improve insulin resistance, which is very useful in patients with type 2 diabetes mellitus (T2DM)...
October 11, 2017: Clinical Drug Investigation
https://www.readbyqxmd.com/read/29022103/antidiabetic-plant-derived-nutraceuticals-a-critical-review
#11
REVIEW
Jayapal Naveen, Vallikannan Baskaran
Diabetes mellitus (DM) is one of the major health problems in the world, especially amongst the urban population. Chemically synthesized drugs used to decrease the ill effects of DM and its secondary complications cause adverse side effects, viz., weight gain, gastrointestinal disturbances, and heart failure. Currently, various other approaches, viz., diet control, physical exercise and use of antidiabetic plant-derived molecules/foods are advocated to manage DM, as they are economical with fewer or no side effects...
October 11, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/29020601/pioglitazone-a-ppar%C3%AE-agonist-reduces-nicotine-craving-in-humans-with-marginal-effects-on-abuse-potential
#12
Jermaine D Jones, Sandra D Comer, Verena E Metz, Jeanne M Manubay, Shanthi Mogali, Roberto Ciccocioppo, Suky Martinez, Mudassir Mumtaz, Adam Bisaga
Possibly through their actions upon glia, peroxisome proliferator-activated receptor agonists (PPAR) have been shown to alter the abuse potential of addictive drugs in several preclinical models. The current study extends this research into the human laboratory as the first clinical study into the effects of the PPAR gamma agonist, pioglitazone, on the abuse potential of nicotine. Heavy smokers were recruited for this 3-week study. Upon admission, participants were randomized to either active (45mg, n=14) or placebo (0mg, n=13) PIO maintenance conditions for the duration of the study...
October 8, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/29018784/peroxisome-proliferator-activated-receptor-gamma-inhibits-the-activation-of-stat3-in-cerulein-stimulated-pancreatic-acinar-cells
#13
Kyung Don Ju, Joo Weon Lim, Hyeyoung Kim
Cerulein-induced pancreatitis is similar to human edematous pancreatitis, characterized by the dysregulation of digestive enzyme production, edema formation, and an infiltration of inflammatory cells into the pancreas. We previously showed that the Janus kinase 2 (JAK2)/STAT3 pathway mediates inflammatory signaling in cerulein-stimulated pancreatic acinar cells. PPAR-γ has been implicated in the regulation of inflammatory responses in several cells. In the present study, we investigated the role of PPAR-γ in cerulein-induced activation of JAK2/STAT3 in pancreatic acinar cells...
September 2017: Journal of Cancer Prevention
https://www.readbyqxmd.com/read/29016649/small-heterodimer-partner-shp-deficiency-protects-myocardia-from-lipid-accumulation-in-high-fat-diet-fed-mice
#14
Jung Hun Ohn, Ji Yeon Hwang, Min Kyong Moon, Hwa Young Ahn, Hwan Hee Kim, Young Do Koo, Kwang-Il Kim, Hyuk Jae Chang, Hye Seung Lee, Hak Chul Jang, Young Joo Park
The small heterodimer partner (SHP) regulates fatty acid oxidation and lipogenesis in the liver by regulating peroxisome proliferator-activated receptor (PPAR) γ expression. SHP is also abundantly expressed in the myocardium. We investigated the effect of SHP expression on myocardia assessing not only heart structure and function but also lipid metabolism and related gene expression in a SHP deletion animal model. Transcriptional profiling with a microarray revealed that genes participating in cell growth, cytokine signalling, phospholipid metabolism, and extracellular matrix are up-regulated in the myocardia of SHP knockout (KO) mice compared to those of wild-type (WT) mice (nominal p value < 0...
2017: PloS One
https://www.readbyqxmd.com/read/28994538/-effects-of-pure-total-flavonoids-from-citrus-changshan-huyou-on-blood-lipid-metabolism-in-hyperlipidemic-rats
#15
Pei-Lei Yang, Jian-Ping Jiang, Quan-Qing Li, Xu-Ming Wu, Zhi-Yun Chen
To observe and investigate the effects and mechanisms of the pure total flavonoids from Citrus changshan-huyou(PTFC) on blood lipid metabolism in hyperlipidemic rats. SD rats were fed with high fat diet for 4 weeks to induce hyperlipidemic rats model, meanwhile three dosages (50, 100, 200 mg•kg ⁻¹•d ⁻¹) of PTFC were administrated intragastrically for 4 weeks respectively.After 2 weeks of modeling, their tail blood was taken and serum TC, TG, and HDL-C levels were detected by biochemical method and their body weight was measured...
March 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28990936/olfactory-receptor-544-reduces-adiposity-by-steering-fuel-preference-toward-fats
#16
Chunyan Wu, Su Hyeon Hwang, Yaoyao Jia, Joobong Choi, Yeon-Ji Kim, Dahee Choi, Duleepa Pathiraja, In-Geol Choi, Seung-Hoi Koo, Sung-Joon Lee
Olfactory receptors (ORs) are present in tissues outside the olfactory system; however, the function of these receptors remains relatively unknown. Here, we determined that olfactory receptor 544 (Olfr544) is highly expressed in the liver and adipose tissue of mice and regulates cellular energy metabolism and obesity. Azelaic acid (AzA), an Olfr544 ligand, specifically induced PKA-dependent lipolysis in adipocytes and promoted fatty acid oxidation (FAO) and ketogenesis in liver, thus shifting the fuel preference to fats...
October 9, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28990050/dietary-n%C3%A2-3-polyunsaturated-fatty-acids-ameliorate-crohn-s-disease-in-rats-by-modulating-the-expression-of-ppar%C3%A2-%C3%AE-nfat
#17
Jiayin Yao, Yi Lu, Min Zhi, Pinjin Hu, Wei Wu, Xiang Gao
Dietary n‑3 polyunsaturated fatty acid (PUFA) exerts anti‑inflammatory and immunoregulatory effects via downregulation of the innate and adaptive immune responses. However, the effect of dietary n‑3 PUFA on experimental Crohn's Disease (CD) in rats and the underlying mechanisms are unclear. The present study aimed to investigate the effects of n‑3 PUFA on CD induced by 2,4,6‑trinitrobenzene sulfonic acid (TNBS) in rats, and to determine the underlying mechanisms, including the peroxisome proliferator‑activated receptor (PPAR)‑γ and nuclear factor of activated T‑cells (NFAT) pathway...
September 29, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28989932/mutations-in-liver-x-receptor-alpha-that-impair-dimerization-and-ligand-dependent-transactivation
#18
Shimpi Bedi, Heather A Hostetler, Stanley Dean Rider
Liver X receptor alpha (LXRα) is crucial for the maintenance of lipid and cholesterol homeostasis. Ligand binding and dimerization with retinoid X receptor (RXR) or peroxisome proliferator-activated receptor (PPAR) is required for forming active DNA binding complexes leading to gene regulation. Structure based prediction and solvent accessibility of LXRα LBD shows that residues H383, E387, H390, L414, and R415 which are located in helices 9 and 10 may be critical for mediating protein-protein interactions...
2017: Nuclear Receptor Research
https://www.readbyqxmd.com/read/28983607/iguratimod-prevents-ovariectomy%C3%A2-induced-bone-loss-and-suppresses-osteoclastogenesis-via-inhibition-of-peroxisome-proliferator%C3%A2-activated-receptor%C3%A2-%C3%AE
#19
Ying-Xing Wu, Yue Sun, Ya-Ping Ye, Peng Zhang, Jia-Chao Guo, Jun-Ming Huang, Xing-Zhi Jing, Wei Xiang, Shi-Ying Yu, Feng-Jing Guo
Iguratimod is known for its anti‑inflammatory activities and therapeutic effects in patients with rheumatoid arthritis. It has previously been demonstrated that iguratimod attenuates bone destruction and osteoclast formation in the Walker 256 rat mammary gland carcinoma cell‑induced bone cancer pain model. Therefore, it was hypothesized that iguratimod may additionally exhibit therapeutic effects on benign osteoclast‑associated diseases including postmenopausal osteoporosis. In the present study, ovariectomized mice were used to investigate the effects of iguratimod in vivo...
September 28, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28980889/comparative-analysis-of-effects-of-dietary-arachidonic-acid-and-epa-on-growth-tissue-fatty-acid-composition-antioxidant-response-and-lipid-metabolism-in-juvenile-grass-carp-ctenopharyngodon-idellus
#20
COMPARATIVE STUDY
Jing-Jing Tian, Cai-Xia Lei, Hong Ji, Gen Kaneko, Ji-Shu Zhou, Hai-Bo Yu, Yang Li, Er-Meng Yu, Jun Xie
Four isonitrogenous and isoenergetic purified diets containing free arachidonic acid (ARA) or EPA (control group), 0·30 % ARA, 0·30 % EPA and 0·30 % ARA+EPA (equivalent) were designed to feed juvenile grass carp (10·21 (sd 0·10) g) for 10 weeks. Only the EPA group presented better growth performance compared with the control group (P<0·05). Dietary ARA and EPA were incorporated into polar lipids more than non-polar lipids in hepatopancreas but not intraperitoneal fat (IPF) tissue. Fish fed ARA and EPA showed an increase of serum superoxide dismutase and catalase activities, and decrease of glutathione peroxidase activity and malondialdehyde contents (P<0·05)...
September 2017: British Journal of Nutrition
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