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PPAR Research

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https://www.readbyqxmd.com/read/28191013/quercetin-and-quercetin-rich-red-onion-extract-alter-pgc-1%C3%AE-promoter-methylation-and-splice-variant-expression
#1
Prasad P Devarshi, Aarin D Jones, Erin M Taylor, Barbara Stefanska, Tara M Henagan
Pgc-1α and its various isoforms may play a role in determining skeletal muscle mitochondrial adaptations in response to diet. 8 wks of dietary supplementation with the flavonoid quercetin (Q) or red onion extract (ROE) in a high fat diet (HFD) ameliorates HFD-induced obesity and insulin resistance in C57BL/J mice while upregulating Pgc-1α and increasing skeletal muscle mitochondrial number and function. Here, mice were fed a low fat (LF), high fat (HF), high fat plus quercetin (HF + Q), or high fat plus red onion extract (HF + RO) diet for 9 wks and skeletal muscle Pgc-1α isoform expression and DNA methylation were determined...
2017: PPAR Research
https://www.readbyqxmd.com/read/28182091/potential-role-of-angptl4-in-the-cross-talk-between-metabolism-and-cancer-through-ppar-signaling-pathway
#2
REVIEW
Laura La Paglia, Angela Listì, Stefano Caruso, Valeria Amodeo, Francesco Passiglia, Viviana Bazan, Daniele Fanale
The angiopoietin-like 4 (ANGPTL4) protein belongs to a superfamily of secreted proteins structurally related to factors modulating angiogenesis known as angiopoietins. At first, ANGPTL4 has been identified as an adipokine exclusively involved in lipid metabolism, because of its prevalent expression in liver and adipose tissue. This protein regulates lipid metabolism by inhibiting lipoprotein lipase (LPL) activity and stimulating lipolysis of white adipose tissue (WAT), resulting in increased levels of plasma triglycerides (TG) and fatty acids...
2017: PPAR Research
https://www.readbyqxmd.com/read/28167956/micrornas-dependent-regulation-of-ppars-in-metabolic-diseases-and-cancers
#3
REVIEW
Dorothea Portius, Cyril Sobolewski, Michelangelo Foti
Peroxisome proliferator-activated receptors (PPARs) are a family of ligand-dependent nuclear receptors, which control the transcription of genes involved in energy homeostasis and inflammation and cell proliferation/differentiation. Alterations of PPARs' expression and/or activity are commonly associated with metabolic disorders occurring with obesity, type 2 diabetes, and fatty liver disease, as well as with inflammation and cancer. Emerging evidence now indicates that microRNAs (miRNAs), a family of small noncoding RNAs, which fine-tune gene expression, play a significant role in the pathophysiological mechanisms regulating the expression and activity of PPARs...
2017: PPAR Research
https://www.readbyqxmd.com/read/28127304/bezafibrate-attenuates-pressure-overload-induced-cardiac-hypertrophy-and-fibrosis
#4
Si-Chi Xu, Zhen-Guo Ma, Wen-Ying Wei, Yu-Pei Yuan, Qi-Zhu Tang
Background. Peroxisome proliferator-activated receptor-α (PPAR-α) is closely associated with the development of cardiac hypertrophy. Previous studies have indicated that bezafibrate (BZA), a PPAR-α agonist, could attenuate insulin resistance and obesity. This study was designed to determine whether BZA could protect against pressure overload-induced cardiac hypertrophy. Methods. Mice were orally given BZA (100 mg/kg) for 7 weeks beginning 1 week after aortic banding (AB) surgery. Cardiac hypertrophy was assessed based on echocardiographic, histological, and molecular aspects...
2017: PPAR Research
https://www.readbyqxmd.com/read/28115925/ppars-and-mitochondrial-metabolism-from-nafld-to-hcc
#5
REVIEW
Tommaso Mello, Maria Materozzi, Andrea Galli
Metabolic related diseases, such as type 2 diabetes, metabolic syndrome, and nonalcoholic fatty liver disease (NAFLD), are widespread threats which bring about a significant burden of deaths worldwide, mainly due to cardiovascular events and cancer. The pathogenesis of these diseases is extremely complex, multifactorial, and only partially understood. As the main metabolic organ, the liver is central to maintain whole body energetic homeostasis. At the cellular level, mitochondria are the metabolic hub connecting and integrating all the main biochemical, hormonal, and inflammatory signaling pathways to fulfill the energetic and biosynthetic demand of the cell...
2016: PPAR Research
https://www.readbyqxmd.com/read/28115924/peroxisome-proliferator-activated-receptor-modulation-during-metabolic-diseases-and-cancers-master-and-minions
#6
REVIEW
Salvatore Giovanni Vitale, Antonio Simone Laganà, Angela Nigro, Valentina Lucia La Rosa, Paola Rossetti, Agnese Maria Chiara Rapisarda, Sandro La Vignera, Rosita Angela Condorelli, Francesco Corrado, Massimo Buscema, Rosario D'Anna
The prevalence of obesity and metabolic diseases (such as type 2 diabetes mellitus, dyslipidaemia, and cardiovascular diseases) has increased in the last decade, in both industrialized and developing countries. This also coincided with our observation of a similar increase in the prevalence of cancers. The aetiology of these diseases is very complex and involves genetic, nutritional, and environmental factors. Much evidence indicates the central role undertaken by peroxisome proliferator-activated receptors (PPARs) in the development of these disorders...
2016: PPAR Research
https://www.readbyqxmd.com/read/28115923/peroxisome-proliferator-activated-receptor-%C3%AE-induces-the-expression-of-tissue-factor-pathway-inhibitor-1-tfpi-1-in-human-macrophages
#7
G Chinetti-Gbaguidi, C Copin, B Derudas, N Marx, J Eechkoute, B Staels
Tissue factor (TF) is the initiator of the blood coagulation cascade after interaction with the activated factor VII (FVIIa). Moreover, the TF/FVIIa complex also activates intracellular signalling pathways leading to the production of inflammatory cytokines. The TF/FVIIa complex is inhibited by the tissue factor pathway inhibitor-1 (TFPI-1). Peroxisome proliferator-activated receptor gamma (PPARγ) is a transcription factor that, together with PPARα and PPARβ/δ, controls macrophage functions. However, whether PPARγ activation modulates the expression of TFP1-1 in human macrophages is not known...
2016: PPAR Research
https://www.readbyqxmd.com/read/28077943/natalizumab-treatment-modulates-peroxisome-proliferator-activated-receptors-expression-in-women-with-multiple-sclerosis
#8
Véronique Ferret-Sena, Alexandra Maia E Silva, Armando Sena, Inês Cavaleiro, José Vale, Bruno Derudas, Giulia Chinetti-Gbaguidi, Bart Staels
Peroxisome Proliferator-Activated Receptors (PPAR) are transcription factors suggested to be involved in inflammatory lesions of autoimmune encephalomyelitis and multiple sclerosis (MS). Our objective was to assess whether Natalizumab (NTZ) therapy is associated with alterations of PPAR expression in MS patients. We analyzed gene expression of PPAR in peripheral blood mononuclear cells (PBMC) as well as blood inflammatory markers in women with MS previously medicated with first-line immunomodulators (baseline) and after NTZ therapy...
2016: PPAR Research
https://www.readbyqxmd.com/read/28077942/ppar%C3%AE-as-a-metabolic-initiator-of-mammary-neoplasia-and-immune-tolerance
#9
REVIEW
Robert I Glazer
PPARδ is a ligand-activated nuclear receptor that regulates the transcription of genes associated with proliferation, metabolism, inflammation, and immunity. Within this transcription factor family, PPARδ is unique in that it initiates oncogenesis in a metabolic and tissue-specific context, especially in mammary epithelium, and can regulate autoimmunity in some tissues. This review discusses its role in these processes and how it ultimately impacts breast cancer.
2016: PPAR Research
https://www.readbyqxmd.com/read/28042289/nutrigenomic-functions-of-ppars-in-obesogenic-environments
#10
REVIEW
Soonkyu Chung, Young Jun Kim, Soo Jin Yang, Yunkyoung Lee, Myoungsook Lee
Peroxisome proliferator-activated receptors (PPARs) are ligand-activated transcription factors that mediate the effects of several nutrients or drugs through transcriptional regulation of their target genes in obesogenic environments. This review consists of three parts. First, we summarize current knowledge regarding the role of PPARs in governing the development of white and brown/beige adipocytes from uncommitted progenitor cells. Next, we discuss the interactions of dietary bioactive molecules, such as fatty acids and phytochemicals, with PPARs for the modulation of PPAR-dependent transcriptional activities and metabolic consequences...
2016: PPAR Research
https://www.readbyqxmd.com/read/27818678/transcriptome-wide-analysis-reveals-the-role-of-ppar%C3%AE-controlling-the-lipid-metabolism-in-goat-mammary-epithelial-cells
#11
Hengbo Shi, Wangsheng Zhao, Changhui Zhang, Khuram Shahzad, Jun Luo, Juan J Loor
To explore the large-scale effect of peroxisome proliferator-activated receptor γ (PPARG) in goat mammary epithelial cells (GMEC), an oligonucleotide microarray platform was used for transcriptome profiling in cells overexpressing PPARG and incubated with or without rosiglitazone (ROSI, a PPARγ agonist). A total of 1143 differentially expressed genes (DEG) due to treatment were detected. The Dynamic Impact Approach (DIA) analysis uncovered the most impacted and induced pathways "fatty acid elongation in mitochondria," "glycosaminoglycan biosynthesis-keratan sulfate," and "pentose phosphate pathway...
2016: PPAR Research
https://www.readbyqxmd.com/read/27799938/ppar-gamma-in-neuroblastoma-the-translational-perspectives-of-hypoglycemic-drugs
#12
REVIEW
Serena Vella, Pier Giulio Conaldi, Tullio Florio, Aldo Pagano
Neuroblastoma (NB) is the most common and aggressive pediatric cancer, characterized by a remarkable phenotypic diversity and high malignancy. The heterogeneous clinical behavior, ranging from spontaneous remission to fatal metastatic disease, is attributable to NB biology and genetics. Despite major advances in therapies, NB is still associated with a high morbidity and mortality. Thus, novel diagnostic, prognostic, and therapeutic approaches are required, mainly to improve treatment outcomes of high-risk NB patients...
2016: PPAR Research
https://www.readbyqxmd.com/read/27774097/ppar%C3%AE-in-bacterial-infections-a-friend-or-foe
#13
Aravind T Reddy, Sowmya P Lakshmi, Raju C Reddy
Peroxisome proliferator-activated receptor γ (PPARγ) is now recognized as an important modulator of leukocyte inflammatory responses and function. Its immunoregulatory function has been studied in a variety of contexts, including bacterial infections of the lungs and central nervous system, sepsis, and conditions such as chronic granulomatous disease. Although it is generally believed that PPARγ activation is beneficial for the host during bacterial infections via its anti-inflammatory and antibacterial properties, PPARγ agonists have also been shown to dampen the host immune response and in some cases exacerbate infection by promoting leukocyte apoptosis and interfering with leukocyte migration and infiltration...
2016: PPAR Research
https://www.readbyqxmd.com/read/27738421/il-15-mediates-mitochondrial-activity-through-a-ppar%C3%AE-dependent-ppar%C3%AE-independent-mechanism-in-skeletal-muscle-cells
#14
Shantaé M Thornton, James E Krolopp, Marcia J Abbott
Molecular mediators of metabolic processes, to increase energy expenditure, have become a focus for therapies of obesity. The discovery of cytokines secreted from the skeletal muscle (SKM), termed "myokines," has garnered attention due to their positive effects on metabolic processes. Interleukin-15 (IL-15) is a myokine that has numerous positive metabolic effects and is linked to the PPAR family of mitochondrial regulators. Here, we aimed to determine the importance of PPARα and/or PPARδ as targets of IL-15 signaling...
2016: PPAR Research
https://www.readbyqxmd.com/read/27698657/ppar%C3%AE-as-a-novel-therapeutic-target-in-lung-cancer
#15
REVIEW
Aravind T Reddy, Sowmya P Lakshmi, Raju C Reddy
Lung cancer is the leading cause of cancer-related death, with more than half the patients having advanced-stage disease at the time of initial diagnosis and thus facing a poor prognosis. This dire situation poses a need for new approaches in prevention and treatment. Peroxisome proliferator-activated receptor γ (PPARγ) is a ligand-activated transcription factor belonging to the nuclear hormone receptor superfamily. Its involvement in adipocyte differentiation and glucose and lipid homeostasis is well-recognized, but accumulating evidence now suggests that PPARγ may also function as a tumor suppressor, inhibiting development of primary tumors and metastases in lung cancer and other malignancies...
2016: PPAR Research
https://www.readbyqxmd.com/read/27579030/commonalities-in-the-association-between-pparg-and-vitamin-d-related-with-obesity-and-carcinogenesis
#16
REVIEW
Borja Bandera Merchan, Francisco José Tinahones, Manuel Macías-González
The PPAR nuclear receptor family has acquired great relevance in the last decade, which is formed by three different isoforms (PPARα, PPARβ/δ, and PPAR ϒ). Those nuclear receptors are members of the steroid receptor superfamily which take part in essential metabolic and life-sustaining actions. Specifically, PPARG has been implicated in the regulation of processes concerning metabolism, inflammation, atherosclerosis, cell differentiation, and proliferation. Thus, a considerable amount of literature has emerged in the last ten years linking PPARG signalling with metabolic conditions such as obesity and diabetes, cardiovascular disease, and, more recently, cancer...
2016: PPAR Research
https://www.readbyqxmd.com/read/27563308/ppar-ligands-function-as-suppressors-that-target-biological-actions-of-hmgb1
#17
REVIEW
Shibo Ying, Xiang Xiao, Tianhui Chen, Jianlin Lou
High mobility group box 1 (HMGB1), which has become one of the most intriguing molecules in inflammatory disorders and cancers and with which ligand-activated peroxisome proliferator-activated receptors (PPARs) are highly associated, is considered as a therapeutic target. Of particular interest is the fact that certain PPAR ligands have demonstrated their potent anti-inflammatory activities and potential anticancer effects. In this review article we summarize recent experimental evidence that PPAR ligands function as suppressors that target biological actions of HMGB1, including intracellular expression, receptor signaling cascades, and extracellular secretion of HMGB1 in cell lines and/or animal models...
2016: PPAR Research
https://www.readbyqxmd.com/read/27559343/peroxisome-proliferator-activated-receptors-in-female-reproduction-and-fertility
#18
REVIEW
Maurizio Vitti, Giovanna Di Emidio, Michela Di Carlo, Gaspare Carta, Andrea Antonosante, Paolo Giovanni Artini, Annamaria Cimini, Carla Tatone, Elisabetta Benedetti
Reproductive functions may be altered by the exposure to a multitude of endogenous and exogenous agents, drug or environmental pollutants, which are known to affect gene transcription through the peroxisome proliferator-activated receptors (PPARs) activation. PPARs act as ligand activated transcription factors and regulate metabolic processes such as lipid and glucose metabolism, energy homeostasis, inflammation, and cell proliferation and differentiation. All PPARs isotypes are expressed along the hypothalamic-pituitary-gonadal axis and are strictly involved in reproductive functions...
2016: PPAR Research
https://www.readbyqxmd.com/read/27528863/ppar-in-cardiovascular-disorders
#19
Alexander N Orekhov, Nigora Mukhamedova, Ekaterina A Ivanova, Manfredi Rizzo
No abstract text is available yet for this article.
2016: PPAR Research
https://www.readbyqxmd.com/read/27446205/hdac-inhibition-modulates-cardiac-ppars-and-fatty-acid-metabolism-in-diabetic-cardiomyopathy
#20
Ting-I Lee, Yu-Hsun Kao, Wen-Chin Tsai, Cheng-Chih Chung, Yao-Chang Chen, Yi-Jen Chen
Peroxisome proliferator-activated receptors (PPARs) regulate cardiac glucose and lipid homeostasis. Histone deacetylase (HDAC) inhibitor has anti-inflammatory effects which may play a key role in modulating PPARs and fatty acid metabolism. The aim of this study was to investigate whether HDAC inhibitor, MPT0E014, can modulate myocardial PPARs, inflammation, and fatty acid metabolism in diabetes mellitus (DM) cardiomyopathy. Electrocardiography, echocardiography, and western blotting were used to evaluate the electrophysiological activity, cardiac structure, fatty acid metabolism, inflammation, and PPAR isoform expressions in the control and streptozotocin-nicotinamide-induced DM rats with or without MPT0E014...
2016: PPAR Research
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