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brown adipogenesis

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https://www.readbyqxmd.com/read/28051244/moringa-oleifera-lam-improves-lipid-metabolism-during-adipogenic-differentiation-of-human-stem-cells
#1
I Barbagallo, L Vanella, A Distefano, D Nicolosi, A Maravigna, G Lazzarino, M Di Rosa, D Tibullo, R Acquaviva, G Li Volti
OBJECTIVE: Moringa oleifera Lam., a multipurpose tree, is used traditionally for its nutritional and medicinal properties. It has been used for the treatment of a variety of conditions, including inflammation, cancer and metabolic disorders. MATERIALS AND METHODS: We investigated the effect of Moringa oleifera Lam. on adipogenic differentiation of human adipose-derived mesenchymal stem cells and its impact on lipid metabolism and cellular antioxidant systems. RESULTS: We showed that Moringa oleifera Lam...
December 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28039334/bi-directional-regulation-of-brown-fat-adipogenesis-by-the-insulin-receptor
#2
Amelia J Entingh, Cullen M Taniguchi, C Ronald Kahn
No abstract text is available yet for this article.
December 30, 2016: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28012248/sesamol-ameliorates-diet-induced-obesity-in-c57bl-6j-mice-and-suppresses-adipogenesis-in-3t3-l1-cells-via-regulating-mitochondria-lipid-metabolism
#3
Zhigang Liu, Qinglian Qiao, Yali Sun, Yuwei Chen, Bo Ren, Xuebo Liu
SCOPE: The aim of the current study was to investigate the effect of sesamol, a natural powerful antioxidant and anti-inflammatory phenol derivative of sesame oil, on adiposity and adiposity-related metabolic disturbances in mice fed with western diet, and the potential underlying mechanisms focusing on the mitochondria-lipid metabolism. METHODS & RESULTS: In the experimental model that consisted of 3 month-old C57BL/6J mice divided into 3 groups with/without sesamol in the drinking water including standard diet, high fat and high fructose diet (HFFD), and HFFD with sesamol...
December 24, 2016: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28008317/chrysophanic-acid-suppresses-adipogenesis-and-induces-thermogenesis-by-activating-amp-activated-protein-kinase-alpha-in-vivo-and-in-vitro
#4
Hara Lim, Jinbong Park, Hye-Lin Kim, JongWook Kang, Mi-Young Jeong, Dong-Hyun Youn, Yunu Jung, Yong-Il Kim, Hyun-Ju Kim, Kwang Seok Ahn, Su-Jin Kim, Seong-Kyu Choe, Seung-Heon Hong, Jae-Young Um
Chrysophanic acid (CA) is a member of the anthraquinone family abundant in rhubarb, a widely used herb for obesity treatment in Traditional Korean Medicine. Though several studies have indicated numerous features of CA, no study has yet reported the effect of CA on obesity. In this study, we tried to identify the anti-obesity effects of CA. By using 3T3-L1 adipocytes and primary cultured brown adipocytes as in vitro models, high-fat diet (HFD)-induced obese mice, and zebrafish as in vivo models, we determined the anti-obesity effects of CA...
2016: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/27986537/meaningful-respirometric-measurements-of-ucp1-mediated-thermogenesis
#5
Yongguo Li, Tobias Fromme, Martin Klingenspor
Regarding the enormous interest in brown and brite/beige adipose tissue in the context of metabolic disease, reliable quantification of thermogenesis in these adipocytes is a central issue. This requires an assay specific for uncoupling protein 1 (UCP1) mediated thermogenesis in adherent intact cells. In a recent study we identified a major pitfall associated with established procedures generally applied for this purpose. Meaningful respirometry of UCP1-mediated thermogenesis imperatively requires activation of UCP1 and control over free fatty acid levels...
December 14, 2016: Biochimie
https://www.readbyqxmd.com/read/27982067/brown-adipogenic-potential-of-brown-adipocytes-and-peri-renal-adipocytes-from-human-embryo
#6
Nan-Nan Wu, Chuan-Hai Zhang, Hyuek-Jong Lee, Yan Ma, Xin Wang, Xiao-Juan Ma, Wei Ma, Dong Zhao, Ying-Mei Feng
Both brown adipocytes (BAC) and beige cells hold therapeutic potential for the treatment of metabolic disorders. Unfortunately, the amount and activity of these cells are limited in adults. Although BAC marker expression has been shown in peri-renal adipose tissues in children and adults, functional assessment is lacking. Furthermore, it is entirely unknown whether adipose progenitors are present in human embryo and able to give rise to BAC in situ during evolution. Therefore, adipose tissues in the interscapular and peri-renal regions were dissected from human embryo and subcutaneous white adipose tissues (sWAT) were obtained from an adult...
December 16, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27977145/spatial-organization-of-functional-groups-on-bioactive-supramolecular-glycopeptide-nanofibers-for-differentiation-of-mesenchymal-stem-cells-mscs-to-brown-adipogenesis
#7
Ozum S Caliskan, Melis Sardan Ekiz, Ayse B Tekinay, Mustafa O Guler
Spatial organization of bioactive moieties in biological materials has significant impact on the function and efficiency of these systems. Here, we demonstrate the effect of spatial organization of functional groups including carboxylate, amine, and glucose functionalities by using self-assembled peptide amphiphile (PA) nanofibers as a bioactive scaffold. We show that presentation of bioactive groups on glycopeptide nanofibers affects mesenchymal stem cells (MSCs) in a distinct manner by means of adhesion, proliferation, and differentiation...
December 15, 2016: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/27935133/modulation-of-brown-adipocyte-activity-by-milk-by-products-stimulation-of-brown-adipogenesis-by-buttermilk
#8
Hiroki Asano, Ryosuke Kida, Kengo Muto, Takayuki Y Nara, Ken Kato, Osamu Hashimoto, Teruo Kawada, Tohru Matsui, Masayuki Funaba
Brown adipocytes dissipate chemical energy in the form of heat through the expression of mitochondrial uncoupling protein 1 (Ucp1); Ucp1 expression is further upregulated by the stimulation of β-adrenergic receptors in brown adipocytes. An increase in energy expenditure by activated brown adipocytes potentially contributes to the prevention of or therapeutics for obesity. The present study examined the effects of milk by-products, buttermilk and butter oil, on brown adipogenesis and the function of brown adipocytes...
December 2016: Cell Biochemistry and Function
https://www.readbyqxmd.com/read/27923061/comparative-transcriptomic-and-epigenomic-analyses-reveal-new-regulators-of-murine-brown-adipogenesis
#9
Reinhard Brunmeir, Jingyi Wu, Xu Peng, Sun-Yee Kim, Sofi G Julien, Qiongyi Zhang, Wei Xie, Feng Xu
Increasing energy expenditure through brown adipocyte recruitment is a promising approach to combat obesity. We report here the comprehensive profiling of the epigenome and transcriptome throughout the lineage commitment and differentiation of C3H10T1/2 mesenchymal stem cell line into brown adipocytes. Through direct comparison to datasets from differentiating white adipocytes, we systematically identify stage- and lineage-specific coding genes, lncRNAs and microRNAs. Utilizing chromatin state maps, we also define stage- and lineage-specific enhancers, including super-enhancers, and their associated transcription factor binding motifs and genes...
December 2016: PLoS Genetics
https://www.readbyqxmd.com/read/27895388/acetate-alters-expression-of-genes-involved-in-beige-adipogenesis-in-3t3-l1-cells-and-obese-kk-ay-mice
#10
Satoko Hanatani, Hiroyuki Motoshima, Yuki Takaki, Shuji Kawasaki, Motoyuki Igata, Takeshi Matsumura, Tatsuya Kondo, Takafumi Senokuchi, Norio Ishii, Junji Kawashima, Daisuke Kukidome, Seiya Shimoda, Takeshi Nishikawa, Eiichi Araki
The induction of beige adipogenesis within white adipose tissue, known as "browning", has received attention as a novel potential anti-obesity strategy. The expression of some characteristic genes including PR domain containing 16 is induced during the browning process. Although acetate has been reported to suppress weight gain in both rodents and humans, its potential effects on beige adipogenesis in white adipose tissue have not been fully characterized. We examined the effects of acetate treatment on 3T3-L1 cells and in obese diabetic KK-Ay mice...
November 2016: Journal of Clinical Biochemistry and Nutrition
https://www.readbyqxmd.com/read/27891610/resveratrol-supplementation-to-high-fat-diet-fed-pregnant-mice-promotes-brown-and-beige-adipocyte-development-and-prevents-obesity-in-male-offspring
#11
Tiande Zou, Daiwen Chen, Qiyuan Yang, Bo Wang, Mei-Jun Zhu, Peter W Nathanielsz, Min Du
Promoting beige/brite adipogenesis and thermogenic activity is considered as a promising therapeutic approach to reduce obesity and metabolic syndrome. Maternal obesity impairs offspring brown adipocyte function and correlates with obesity in offspring. We previously found that dietary resveratrol (RES) induces beige adipocyte formation in adult mice. Here we further evaluated the effect of resveratrol supplementation to pregnant mice on offspring thermogenesis and energy expenditure. Female C57BL/6 J mice were fed a control diet (CON) or a high fat diet (HFD) with/without 0...
November 28, 2016: Journal of Physiology
https://www.readbyqxmd.com/read/27882370/anti-obesity-effects-of-arctii-fructus-arctium-lappa-in-white-brown-adipocytes-and-high-fat-diet-induced-obese-mice
#12
Yo-Han Han, Ji-Ye Kee, Dae-Seung Kim, Jinbong Park, Mi-Young Jeong, Jung-Geon Mun, Sung-Joo Park, Jong-Hyun Lee, Jae-Young Um, Seung-Heon Hong
Arctii Fructus is traditionally used in oriental pharmacies as an anti-inflammatory medicine. Although several studies have shown its anti-inflammatory effects, there have been no reports on its use in obesity related studies. In this study, the anti-obesity effect of Arctii Fructus was investigated in high-fat diet (HFD)-induced obese mice, and the effect was confirmed in white and primary cultured brown adipocytes. Arctii Fructus inhibited weight gain and reduced the mass of white adipose tissue in HFD-induced obese mice...
December 7, 2016: Food & Function
https://www.readbyqxmd.com/read/27855539/mouse-p2y4-nucleotide-receptor-is-a-negative-regulator-of-cardiac-adipose-derived-stem-cell-differentiation-and-cardiac-fat-formation
#13
Anne Lemaire, Marion Vanorlé, Michael Horckmans, Larissa di Pietrantonio, Sophie Clouet, Bernard Robaye, Jean-Marie Boeynaems, Didier Communi
Cardiac adipose tissue-derived stem cells (cASCs) have the ability to differentiate into multiple cell lineages giving them a high potential for use in regenerative medicine. Cardiac fat tissue still raises many unsolved questions related to its formation and features. P2Y nucleotide receptors have already been described as regulators of differentiation of bone-marrow derived stem cells, but remain poorly investigated in cASCs. We defined, in this study, the P2Y4 nucleotide receptor as a negative regulator of cardiac fat formation and cASC adipogenic differentiation...
December 23, 2016: Stem Cells and Development
https://www.readbyqxmd.com/read/27831918/17%C3%AE-estradiol-suppresses-visceral-adipogenesis-and-activates-brown-adipose-tissue-specific-gene-expression
#14
Saad Misfer Al-Qahtani, Galyna Bryzgalova, Ismael Valladolid-Acebes, Marion Korach-André, Karin Dahlman-Wright, Suad Efendić, Per-Olof Berggren, Neil Portwood
Both functional ovaries and estrogen replacement therapy (ERT) reduce the risk of type 2 diabetes (T2D). Understanding the mechanisms underlying the antidiabetic effects of 17β-estradiol (E2) may permit the development of a molecular targeting strategy for the treatment of metabolic disease. This study examines how the promotion of insulin sensitivity and weight loss by E2 treatment in high-fat-diet (HFD)-fed mice involve several anti-adipogenic processes in the visceral adipose tissue. Magnetic resonance imaging (MRI) revealed specific reductions in visceral adipose tissue volume in HFD+E2 mice, compared with HFD mice...
November 10, 2016: Hormone Molecular Biology and Clinical Investigation
https://www.readbyqxmd.com/read/27827997/fto-deficiency-affects-the-gene-and-microrna-expression-involved-in-brown-adipogenesis-and-browning-of-white-adipose-tissue-in-mice
#15
Justiina Ronkainen, Eleonora Mondini, Francesca Cinti, Saverio Cinti, Sylvain Sebért, Markku J Savolainen, Tuire Salonurmi
Genetic variants in the fat mass- and obesity-associated gene Fto are linked to the onset of obesity in humans. The causal role of the FTO protein in obesity is supported by evidence obtained from transgenic mice; however, the underlying molecular pathways pertaining to the role of FTO in obesity have yet to be established. In this study, we investigate the Fto gene in mouse brown adipose tissue and in the browning process of white adipose tissue. We analyze distinct structural and molecular factors in brown and white fat depots of Fto-deficient mice under normal and obesogenic conditions...
November 7, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27818196/distinct-functions-of-ppar%C3%AE-isoforms-in-regulating-adipocyte-plasticity
#16
Dylan Li, Feng Zhang, Xuan Zhang, Chenyi Xue, Maria Namwanje, Lihong Fan, Muredach P Reilly, Fang Hu, Li Qiang
A better understanding of the mechanisms underlying obesity and its comorbidities is key to designing new therapies and treatments. PPARγ is a master regulator of adipocyte biology but the functions of its isoforms are poorly distinguished. Here we demonstrated that PPARγ1 is preferentially expressed in catabolic fat depots while PPARγ2 presents itself at a higher level in browning-resistant depots. PPARγ2, but not PPARγ1, responds to endogenous ligands to induce adipogenesis, and the isoforms regulate distinct sets of white and brown adipocyte genes...
December 2, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27795452/protective-effects-of-ecklonia-stolonifera-extract-on-ethanol-induced-fatty-liver-in-rats
#17
Chae-Young Bang, Jae-Hyuk Byun, Hye-Kyung Choi, Jae-Sue Choi, Se-Young Choung
Chronic alcohol consumption causes alcoholic liver disease, which is associated with the initiation of dysregulated lipid metabolism. Recent evidences suggest that dysregulated cholesterol metabolism plays an important role in the pathogenesis of alcoholic fatty liver disease. Ecklonia stolonifera (ES), a perennial brown marine alga that belongs to the family Laminariaceae, is rich in phlorotannins. Many studies have indicated that ES has extensive pharmacological effects, such as antioxidative, hepatoprotective, and antiinflammatory effects...
November 1, 2016: Biomolecules & Therapeutics
https://www.readbyqxmd.com/read/27777311/glucocorticoid-receptor-accelerates-but-is-dispensable-for-adipogenesis
#18
Young-Kwon Park, Kai Ge
Dexamethasone (DEX), a synthetic ligand for glucocorticoid receptor (GR), is routinely used to stimulate adipogenesis in culture. GR-depleted preadipocytes show adipogenesis defects one week after induction of differentiation. However, it has remained unclear whether GR is required for adipogenesis in vivo By deleting GR in precursors of brown adipocytes, we found unexpectedly that GR is dispensable for brown adipose tissue development in mice. In culture, GR-deficient primary or immortalized white and brown preadipocytes showed severely delayed adipogenesis one week after induction of differentiation...
October 24, 2016: Molecular and Cellular Biology
https://www.readbyqxmd.com/read/27777310/distinct-roles-of-transcription-factors-klf4-krox20-and-ppar%C3%AE-in-adipogenesis
#19
Young-Kwon Park, Limin Wang, Anne Giampietro, Binbin Lai, Ji-Eun Lee, Kai Ge
Much of our knowledge on adipogenesis comes from cell culture models of preadipocyte differentiation. Adipogenesis is induced by treating confluent preadipocytes with the adipogenic cocktail, which activates transcription factors (TFs) glucocorticoid receptor (GR) and CREB within minutes and increases expression of TFs C/EBPβ, C/EBPδ, KLF4 and Krox20 within hours. All of these TFs have been shown to be capable of promoting adipogenesis in culture when they are overexpressed. However, it has remained unclear whether endogenous KLF4 and Krox20 are required for adipogenesis in culture and in vivo Using conditional knockout mice and derived white and brown preadipocytes, we show that endogenous KLF4 and Krox20 are dispensable for adipogenesis in culture and brown adipose tissue development in mice...
October 24, 2016: Molecular and Cellular Biology
https://www.readbyqxmd.com/read/27766294/data-on-regulation-of-the-gene-for-the-adipocyte-enriched-micropeptide-adig-smaf1-by-qpcr-analysis-and-luciferase-reporter-assay
#20
Gang Ren, Nicholas Cairl, Ji Young Kim, Cynthia M Smas
This article describes qPCR analysis for the Adig/Smaf1 gene in multiple in vitro adipocyte differentiation models including white and brown adipogenesis, cell lines and primary cultures. The article also contains qPCR data for transcript levels of Adig/Smaf1 in a wide panel of murine tissues. Expression of Adig/Smaf1 transcript in white and brown adipose tissue in fasted and refed mice is reported and also data for Adig/Smaf1 transcript expression in genetically obese ob/ob mice. Data on the effects of siRNA-mediated knockdown of Srebp1c on Adig/Smaf1 transcript levels in 3T3-L1 adipocytes are shown...
December 2016: Data in Brief
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