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https://www.readbyqxmd.com/read/28526951/pyrocincholic-acid-3%C3%AE-o-%C3%AE-d-quinovopyranosyl-28-o-%C3%AE-d-glucopyranoside-suppresses-adipogenesis-and-regulates-lipid-metabolism-in-3t3-l1-adipocytes
#1
Li Peng, Yanting Lu, Yuhui Xu, Jing Hu, Fang Wang, Yumei Zhang, Wenyong Xiong
Obesity is crucially involved in many metabolic diseases, such as type 2 diabetes, cardiovascular disease and cancer. Regulating the number or size of adipocytes has been suggested to be a potential treatment for obesity. In this study, we investigated the effect of pyrocincholic acid 3β-O-β-D-quinovopyranosyl-28-O-β-D-glucopyranoside (PAQG), a 27-nor-oleanolic acid saponin extracted from Metadina trichotoma, on adipogenesis and lipid metabolism in 3T3-L1 adipocytes. The 3T3-L1 pre-adipocytes were incubated with vehicle or PAQG for 6 days in differentiation process...
May 19, 2017: Natural Products and Bioprospecting
https://www.readbyqxmd.com/read/28523479/fatty-acids-have-different-adipogenic-differentiation-potentials-in-stromal-vascular-cells-isolated-from-abdominal-fat-in-laying-hens
#2
Alemu Regassa, Miyoung Suh, Jutika Datar, Chongxiao Chen, Woo Kyun Kim
This study was conducted to examine the effects of fatty acids (FA) with/without chicken serum (CS) on the expression of adipogenic transcripts and adipogenesis in chicken stromal vascular cells (SVC). In experiment 1, SVC were grown in DMEM containing 10% FBS (Control) and treated with 300 µM oleic acid (OLA) + FBS, linoleic acid (LNA) + FBS, palmitic acid (PAM) + FBS, or stearic acid (STA) + FBS for 48 h. In experiment 2, cells were grown in DMEM containing 5% CS and treated with 300 µM OLA (CS + OLA), PAM (CS + PAM), STA (CS + STA) or 200 µM LNA (CS + LNA) for 48 h...
May 18, 2017: Lipids
https://www.readbyqxmd.com/read/28508539/the-effect-of-maternal-obesity-on-fatty-acid-transporter-expression-and-lipid-metabolism-in-the-full-term-placenta-of-lean-breed-swine
#3
L Tian, S S Dong, J Hu, J J Yao, P S Yan
This study was conducted to evaluate the influence of back-fat thickness (BF), at mating of sows, on the maternal and newborn circulating lipids, expression of placental fatty acids (FA) transporters and lipid accumulation in placenta. Full-term placentas were obtained by vaginal delivery from BFI (9-14 mm; n = 37), BFII (15-19 mm; n = 43) and BFIII (20-27 mm; n = 38) sows according to BF at mating, and frozen placental sections were analysed for fat accumulation. Blood samples were collected from the sows of day 105 pregnancy and from cord blood at delivery...
May 15, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28500294/adipocyte-fatty-acid-binding-protein-is-overexpressed-in-cirrhosis-and-correlates-with-clinical-outcomes
#4
Isabel Graupera, Mar Coll, Elisa Pose, Chiara Elia, Salvatore Piano, Elsa Solà, Delia Blaya, Patricia Huelin, Cristina Solé, Rebeca Moreira, Gloria de Prada, Núria Fabrellas, Adrià Juanola, Manuel Morales-Ruiz, Pau Sancho-Bru, Càndid Villanueva, Pere Ginès
Fatty-acid-binding proteins (FABPs) are small intracellular proteins that coordinate lipid-mediated processes by targeting metabolic and immune response pathways. The aim of the study was to investigate plasma FABPs levels and their relationship with clinical outcomes in cirrhosis. Plasma levels of L-FABP1(liver and kidney), I-FABP2(intestine), and A-FABP4(adipocyte and macrophages) were measured in 274 patients with decompensated cirrhosis. Hepatic gene expression of FABPs was assessed in liver biopsies from patients with decompensated cirrhosis and in liver cell types from mice with cirrhosis...
May 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28494459/influence-of-bovine-serum-lipids-and-fetal-bovine-serum-on-the-expression-of-cell-surface-markers-in-cultured-bovine-preadipocytes
#5
Mansur A Sandhu, Sandra Jurek, Susanne Trappe, Martin Kolisek, Gerhard Sponder, Jörg R Aschenbach
To establish the influence of fetal bovine serum (FBS) and bovine serum lipids (BSL) on cell differentiation marker expression, bovine adipose-derived stem cells from subcutaneous tissue were incubated for 14 days in 4 types of differentiation media containing 10% FBS and 10 µL/mL BSL (TRT-1), no FBS and 10 µL/mL of BSL (TRT-2), 10% FBS and no BSL (TRT-3), or no supplements (TRT-4). Cells were subjected to Nile red staining, immunocytochemistry (CD73, CD90, CD105, DLK1, FabP4), and quantitative real-time PCR (CD73, CD90, CD105, FabP4)...
May 12, 2017: Cells, Tissues, Organs
https://www.readbyqxmd.com/read/28487339/circulating-fabp4-fatty-acid-binding-protein-4-is-a-novel-prognostic-biomarker-in-patients-with-acute-ischemic-stroke
#6
Wen-Jun Tu, Xian-Wei Zeng, Aijun Deng, Sheng-Jie Zhao, Ding-Zhen Luo, Guo-Zhao Ma, Hong Wang, Qiang Liu
BACKGROUND AND PURPOSE: FABP4 (fatty acid-binding protein 4) is an intracellular lipid chaperone involved in coordination of lipid transportation and atherogenesis. This study aimed at observing the effect of FABP4 on the 3-month outcomes in Chinese patients with acute ischemic stroke. METHODS: In a prospective multicenter observational study, serum concentrations of FABP4 were on admission measured in plasma of 737 consecutive patients with acute ischemic stroke...
May 9, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28483479/sulfuretin-has-therapeutic-activity-against-acquired-lymphedema-by-reducing-adipogenesis
#7
Kangsan Roh, Suji Kim, Hee Kang, Jin-Mo Ku, Kye Won Park, Sukchan Lee
Acquired lymphedema is a pathological condition associated with lymphatic dysfunction caused by surgical treatments for cancer. Although global estimates of the prevalence of acquired lymphedema have been rising, there are currently no effective therapeutics available. Since adipose tissue accumulation is a clinical hallmark of lymphedema, we hypothesized that regulation of adipogenesis in lymphedematous tissue could be used as a therapeutic intervention against lymphedema. Toward this, we investigated the possibility of anti-adipogenic 30% ethanol Rhus verniciflua Stokes (RVS) extract as a potential lymphedema treatment...
May 5, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28474302/f-1-f-2-selective-nmr-spectroscopy
#8
Erik Walinda, Daichi Morimoto, Masahiro Shirakawa, Kenji Sugase
Fourier transform NMR spectroscopy has provided unprecedented insight into the structure, interaction and dynamic motion of proteins and nucleic acids. Conventional biomolecular NMR relies on the acquisition of three-dimensional and four-dimensional (4D) data matrices to establish correlations between chemical shifts in the frequency domains F 1, F 2, F 3 and F 1, F 2, F 3, F 4 respectively. While rich in information, these datasets require a substantial amount of acquisition time, are visually highly unintuitive, require expert knowledge to process, and sample dark and bright regions of the frequency domains equally...
May 4, 2017: Journal of Biomolecular NMR
https://www.readbyqxmd.com/read/28472298/adiponectin-stimulates-lipid-metabolism-via-ampk-in-rabbit-blastocysts
#9
Maria Schindler, Mareike Pendzialek, Katarzyna Joanna Grybel, Tom Seeling, Jacqueline Gürke, Bernd Fischer, Anne Navarrete Santos
STUDY QUESTION: How does a maternal diabetic hyperadiponectineamia affect signal transduction and lipid metabolism in rabbit preimplantation blastocysts? SUMMARY ANSWER: In a diabetic pregnancy increased levels of adiponectin led to a switch in embryonic metabolism towards a fatty acid-dependent energy metabolism, mainly affecting genes that are responsible for fatty acid uptake and turnover. WHAT IS KNOWN ALREADY: Although studies in cell culture experiments have shown that adiponectin is able to regulate lipid metabolism via 5'-AMP-activated protein kinase (AMPK) and peroxisome proliferator-activated receptor α (PPARα), data on the effects of adiponectin on embryonic lipid metabolism are not available...
May 4, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28459610/3-3-diindolylmethane-suppresses-adipogenesis-using-ampk%C3%AE-dependent-mechanism-in-3t3-l1-adipocytes-and-caenorhabditis-elegans
#10
Jihye Lee, Yiren Yue, Yeonhwa Park, Seong-Ho Lee
3,3'-diindolylmethane is a major in vivo metabolite of indole-3-carbinol, a bioactive compound found in cruciferous vegetables. Although 3,3'-diindolylmethane has been implicated to possess antitumorigenic and anti-inflammatory properties, the effect of 3,3'-diindolylmethane on adipogenesis has not been explored previously. Thus, the present study was conducted to determine if 3,3'-diindolylmethane affects adipogenesis using 3T3-L1 adipocytes and Caenorhabditis elegans. Treatment of 3,3'-diindolylmethane significantly reduced fat accumulation without affecting viability in 3T3-L1 adipocytes...
May 1, 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28443032/fatty-acid-binding-protein-11a-is-required-for-brain-vessel-integrity-in-zebrafish
#11
Jie Zhang, Jialing Qi, Shuilong Wu, Lijiao Peng, Yunwei Shi, Jinxian Yang, Zhenhua Yin, Yu Gao, Chengniu Wang, Jie Gong, Haijun Zhang, Jingjing Zhang, Dong Liu
The monolayer of endothelial cells (ECs) lining the intima of all blood vessel wall forms a semipermeable barrier that regulates tissue-fluid homeostasis, transport of nutrients, and migration of blood cells across the barrier. A number of signaling pathways and molecules mediate endothelial permeability, which plays important roles in a variety of the physiological and pathological conditions. Fatty acid binding proteins (FABPs) are able to bind various hydrophobic molecules, such as long-chain fatty acids, prostaglandins and eicosanoids...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28441735/effects-of-flavonoids-and-triterpene-analogues-from-leaves-of-eleutherococcus-sieboldianus-makino-koidz-himeukogi-in-3t3-l1-preadipocytes
#12
Atsuyoshi Nishina, Masaya Itagaki, Yuusuke Suzuki, Mamoru Koketsu, Masayuki Ninomiya, Daisuke Sato, Takashi Suzuki, Satoshi Hayakawa, Makoto Kuroda, Hirokazu Kimura
Eleutherococcus sieboldianus (Makino) Koidz. is a local product from the area in and around Yonezawa City in Yamagata Prefecture, Japan. It has been used as a medicinal plant for a long time. We isolated and identified four types of flavonoid glycosides [astragalin (1), isoquercetin (2), rhamnocitrin 3-O-glucoside (3), and nicotiflorin (4)], a triterpene [methyl hederagenin (5)], and three types of triterpene glycosides [δ-hederin (6), echinocystic acid 3-O-arabinoside (7), and cauloside B (8)] from the methanol extract of E...
April 22, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28420992/deficient-adipogenesis-of-scleroderma-patient-and-healthy-african-american-monocytes
#13
Rebecca Lee, Charles Reese, Gustavo Carmen-Lopez, Beth Perry, Michael Bonner, Marina Zemskova, Carole L Wilson, Kristi L Helke, Richard M Silver, Stanley Hoffman, Elena Tourkina
Monocytes from systemic sclerosis (SSc, scleroderma) patients and healthy African Americans (AA) are deficient in the regulatory protein caveolin-1 leading to enhanced migration toward chemokines and fibrogenic differentiation. While dermal fibrosis is the hallmark of SSc, loss of subcutaneous adipose tissue is a lesser-known feature. To better understand the etiology of SSc and the predisposition of AA to SSc, we studied the adipogenic potential of SSc and healthy AA monocytes. The ability of SSc and healthy AA monocytes to differentiate into adipocyte-like cells (ALC) is inhibited compared to healthy Caucasian (C) monocytes...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28420707/role-of-the-fatty-acid-binding-protein-4-in-heart-failure-and-cardiovascular-disease
#14
Ricardo Rodriguez-Calvo, Josefa Girona, Josep M Alegret, Alba Bosquet, Daiana Ibarretxe, Lluís Masana
Obesity and ectopic fat accumulation in non-adipose tissues are major contributors to heart failure (HF) and cardiovascular disease (CVD). Adipocytes act as endocrine organs by releasing a large number of bioactive molecules into the bloodstream, which participate in a communication network between white adipose tissue and other organs, including the heart. Among these molecules, fatty acid binding protein 4 (FABP4) has been recently shown to increase cardiometabolic risk. Both clinical and experimental evidence have identified FABP4 as a relevant player in atherosclerosis and coronary artery disease, and it has been directly related to cardiac alterations such as left ventricular hypertrophy (LVH) or both systolic and diastolic cardiac dysfunction...
April 18, 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28413478/icariin-improves-osteoporosis-inhibits-the-expression-of-ppar%C3%AE-c-ebp%C3%AE-fabp4-mrna-n1icd-and-jagged1-proteins-and-increases-notch2-mrna-in-ovariectomized-rats
#15
Hengrui Liu, Yingquan Xiong, Xiaofeng Zhu, Han Gao, Sujuan Yin, Jiefang Wang, Guangming Chen, Chaopeng Wang, Lu Xiang, Panpan Wang, Ji Fang, Ronghua Zhang, Li Yang
Icariin (ICA) is a pharmacologically active flavonoid glycoside that shows promise in the treatment and prevention of osteoporosis (OP). However, the mechanisms underlying the anti-osteoporotic effects of ICA remain largely unclear. The present study used quantitative polymerase chain reaction, western blot and immunohistochemical analysis to examine the effects of ICA on several key targets in the Notch signaling pathway in bone tissue in ovariectomized rats. It was observed that ICA has a pronounced beneficial effect on OP rats and inhibits the expression of peroxisome proliferator-activated receptor γ (PPARγ), CCAAT/enhancer binding protein α (C/EBPα) and fatty acid-binding protein 4 (FABP4) mRNA...
April 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28409151/temporal-changes-in-gene-expression-profile-during-mature-adipocyte-dedifferentiation
#16
Julie Anne Côté, Frédéric Guénard, Julie Lessard, Marc Lapointe, Simon Biron, Marie-Claude Vohl, André Tchernof
Objective. To characterize changes in gene expression profile during human mature adipocyte dedifferentiation in ceiling culture. Methods. Subcutaneous (SC) and omental (OM) adipose tissue samples were obtained from 4 participants paired for age and BMI. Isolated adipocytes were dedifferentiated in ceiling culture. Gene expression analysis at days 0, 4, 7, and 12 of the cultures was performed using Affymetrix Human Gene 2.0 STvi arrays. Hierarchical clustering according to similarity of expression changes was used to identify overrepresented functions...
2017: International Journal of Genomics
https://www.readbyqxmd.com/read/28405802/vasculo-protective-effect-of-bms-309403-is-independent-of-its-specific-inhibition-of-fatty-acid-binding-protein-4
#17
Yuta Okamura, Kosuke Otani, Akihiro Sekiguchi, Taisuke Kogane, Chiharu Kakuda, Yuzaburo Sakamoto, Tomoko Kodama, Muneyoshi Okada, Hideyuki Yamawaki
Fatty acid-binding protein (FABP) 4 is an adipocytokine mainly expressed in adipocyte and macrophage. Blood FABP4 is related not only to metabolic disorders including insulin resistance and atherosclerosis but also increased blood pressure. We tested the hypothesis that FABP4 plays roles in pathogenesis of hypertension development including proliferation, migration, and inflammation of vascular smooth muscle cells (SMCs) as well as contractile reactivity. FABP4 alone had no influence on proliferation, migration, and inflammation of rat mesenteric arterial SMCs, while it significantly enhanced smooth muscle contraction and increases of systolic blood pressure (SBP) induced by noradrenaline (NA)...
April 13, 2017: Pflügers Archiv: European Journal of Physiology
https://www.readbyqxmd.com/read/28385723/fabp4-cre-mediated-sirt6-deletion-impairs-adipose-tissue-function-and-metabolic-homeostasis-in-mice
#18
Xiwen Xiong, Cuicui Zhang, Yang Zhang, Rui Fan, Xinlai Qian, Xiaocheng Charlie Dong
SIRT6 is a member of sirtuin family of deacetylases involved in diverse processes including genome stability, metabolic homeostasis, and anti-inflammation. However, its function in the adipose tissue is not well understood. To examine the metabolic function of SIRT6 in the adipose tissue, we generated two mouse models that are deficient in Sirt6 using the Cre-lox approach. Two commonly used Cre lines that are driven by either the mouse Fabp4 or Adipoq gene promoter were chosen for this study. The Sirt6 knockout mice generated by the Fabp4-Cre line (Sirt6f/f:Fabp4-Cre) had a significant increase in both body weight and fat mass, and exhibited glucose intolerance and insulin resistance as compared with the control wildtype mice...
April 6, 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28382782/fatty-acid-binding-protein-4-regulates-fatty-infiltration-after-rotator-cuff-tear-by-hypoxia-inducible-factor-1-in-mice
#19
Yong-Soo Lee, Ja-Yeon Kim, Kyung-Soo Oh, Seok Won Chung
BACKGROUND: Fatty infiltration in skeletal muscle is directly linked to loss of muscle strength and is associated with various adverse physical outcomes such as muscle atrophy, inflammation, insulin resistance, mobility impairments, and even mortality in the elderly. Aging, mechanical unloading, muscle injury, and hormonal imbalance are main causes of muscle fat accumulation, and the fat cells are derived from muscle stem cells via adipogenic differentiation. However, the pathogenesis and molecular mechanisms of fatty infiltration in muscles are still not fully defined...
April 5, 2017: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/28373675/grape-seed-proanthocyanidin-supplementation-reduces-adipocyte-size-and-increases-adipocyte-number-in-obese-rats
#20
A Pascual-Serrano, A Arola-Arnal, S Suárez-Garcia, F I Bravo, M Suárez, L Arola, C Bladé
OBJECTIVES: White adipose tissue (WAT) expands through hypertrophy (increased adipocyte size) and/or hyperplasia (increased adipocyte number). Hypertrophy has been associated with insulin resistance and dyslipidemia independently of body composition and fat distribution. In contrast, hyperplasia protects against metabolic alterations. Proanthocyanidins, which are the most abundant flavonoids in the human diet, improve metabolic disturbances associated with diet-induced obesity without reducing body weight or adiposity...
April 4, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
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