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https://www.readbyqxmd.com/read/28625910/a-high-fat-diet-enhances-the-sensitivity-of-chick-adipose-tissue-to-the-effects-of-centrally-injected-neuropeptide-y-on-gene-expression-of-adipogenesis-associated-factors
#1
Guoqing Wang, Carli A Williams, Betty R McConn, Mark A Cline, Elizabeth R Gilbert
The purpose of this study was to determine how dietary macronutrient composition and exogenous neuropeptide Y (NPY) affect mRNA abundance of factors associated with lipid metabolism in chick adipose tissue. Chicks were fed one of three isocaloric (3000kcal metabolizable energy (ME)/kg) diets after hatch: high carbohydrate (HC; control), high fat (HF; 30% of ME from soybean oil) or high protein (HP; 25% crude protein). On day 4 post-hatch, vehicle or 0.2nmol of NPY was injected intracerebroventricularly and abdominal and subcutaneous fat depots collected 1h later...
June 15, 2017: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
https://www.readbyqxmd.com/read/28620819/cellular-growth-and-tube-formation-of-htr8-svneo-trophoblast-effects-of-exogenously-added-fatty-acid-binding-protein-4-and-its-inhibitor
#2
Sanjay Basak, Arnab Sarkar, Santosh Mathapati, Asim K Duttaroy
Adequate placental angiogenesis is critical for the establishment of the placental circulation and thus for normal feto-placental growth and development. Fatty acid-binding protein-4 (FABP4) plays a pro-angiogenic role in endothelial cells; however, very little information is available in placental first trimester trophoblast cells. Here we report that exogenously added FABP4 (exo-FABP4) stimulated tube formation (as a measure of in vitro angiogenesis) in HTR8/SVneo trophoblastic cells. HTR-8/SVneo cells were incubated in the presence of exogenously added FABP4 at different concentrations and time points...
June 15, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28606512/heme-oxygenase-1-mediates-anti-adipogenesis-effect-of-raspberry-ketone-in-3t3-l1-cells
#3
Yung-Chieh Tsai, Bo-Cheng Yang, Wen-Huang Peng, Yen-Mei Lee, Mao-Hsiung Yen, Pao-Yun Cheng
BACKGROUND: Obesity is caused by excessive accumulation of body fat and is closely related to complex metabolic diseases. Raspberry ketone (RK), a major aromatic compound in red raspberry, was recently reported to possess anti-obesity effects. However, its mechanisms are unclear. AIM: Adipogenesis plays a critical role in obesity and, therefore, this study aimed to investigate the effect and mechanisms of action of RK on adipogenesis in 3T3-L1 preadipocytes. MATERIALS AND METHODS: 3T3-L1 preadipocytes were differentiated in medium containing insulin, dexamethasone, and 1-methyl-3-isobutylxanthine...
July 15, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/28583436/serum-levels-of-fatty-acid-binding-protein-4-and-fat-metabolic-markers-in-relation-to-catecholamines-following-exercise
#4
Tatsuya Iso, Hiroaki Sunaga, Hiroki Matsui, Shu Kasama, Naomi Oshima, Hikari Haruyama, Nozomi Furukawa, Kiyomi Nakajima, Tetsuo Machida, Masami Murakami, Tomoyuki Yokoyama, Masahiko Kurabayashi
BACKGROUND: Lipolysis is stimulated by activation of adrenergic inputs to adipose tissues. Our recent study showed that serum concentrations of fatty acid binding protein 4 (FABP4) are robustly elevated in patients with acute myocardial infarction and ventricular tachyarrhythmia, that display a marked activation of the sympathetic nervous system (SNS). However, it remains unknown whether circulating FABP4 concentrations are associated with exercise-induced SNS activation. METHODS: Thirty one healthy volunteers underwent cardiopulmonary exercise testing on a cycle ergometer up to the workload levels below and above anaerobic threshold, low- and high-intensity exercise, respectively...
June 2, 2017: Clinical Biochemistry
https://www.readbyqxmd.com/read/28582464/total-control-of-fat-cells-from-adipogenesis-to-apoptosis-using-a-xanthene-analog
#5
Ching-Hsuan Tung, Myung Shin Han, Jianjun Qi
Overcrowded adipocytes secrete excess adipokines and cytokines under stress, which results in a deregulated metabolism. This negative response to stress increases the possibility of obesity and several of its associated diseases, such as cancer and atherosclerosis. Therefore, a reduction in the number of adipocytes may be a rational strategy to relieve the undesired expansion of adipose tissue. A newly synthesized xanthene analog, MI-401, was found to have two distinct effects on the regulation of the adipocyte's life cycle...
2017: PloS One
https://www.readbyqxmd.com/read/28580407/mc3t3-osteoblast-like-cells-cultured-at-alkaline-ph-microarray-data-affymetrix-genechip-mouse-2-0-st
#6
Anne-Marie Galow, Alexander Rebl, Dirk Koczan, Jan Gimsa
It is well known that pH plays a pivotal role in the control of bone remodeling. However, no comprehensive gene expression data are available for the effects of alkaline pH on osteoblasts. We cultured differentiating MC3T3-E1 osteoblast-like cells at pH 7.4, 7.8, and 8.4 for 14 days. To identify differential gene expression, microarray data were collected with Affymetrix GeneChips. The data were validated by real-time PCRs for five genes that were found to be greatly regulated in the GeneChip-experiments (DMP1, FABP4, SFRP2 and TNFRSF19) or considered relevant for the terminal function of osteoblasts (DMP1 and ATF4)...
August 2017: Data in Brief
https://www.readbyqxmd.com/read/28579594/exploration-of-underlying-mechanism-of-anti-adipogenic-activity-of-sulfuretin
#7
Ramakanta Lamichhane, Se-Gun Kim, Sona Kang, Kyung-Hee Lee, Prakash Raj Pandeya, Hyun-Ju Jung
Sulfuretin is a natural flavonoid found in the plant Rhus verniciflua Stokes. The plant has been traditionally used as medicinal agent for antiviral, cathartic, diaphoretic, anti-rheumatic and sedative activities in East Asia. In this study we isolated and identified sulfuretin from R. verniciflua and investigated its anti-adipogenic activity against 3T3-L1 preadipocytes cells. We evaluated the effects of sulfuretin on the adipogenic transcription factors like PPARγ, C/EBPα, FAS, Fabp4, adiponectin and Zfp521 by gene expression (real-time QPCR) and Western blot analysis...
June 3, 2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28562645/characterization-of-single-cell-derived-cultures-of-periosteal-progenitor-cells-to-ensure-the-cell-quality-for-clinical-application
#8
Stefan Stich, Alexander Loch, Su-Jin Park, Thomas Häupl, Jochen Ringe, Michael Sittinger
For clinical applications of cells and tissue engineering products it is of importance to characterize the quality of the used cells in detail. Progenitor cells from the periosteum are already routinely applied in the clinics for the regeneration of the maxillary bone. Periosteal cells have, in addition to their potential to differentiate into bone, the ability to develop into cartilage and fat. However, the question arises whether all cells isolated from periosteal biopsies are able to differentiate into all three tissue types, or whether there are subpopulations...
2017: PloS One
https://www.readbyqxmd.com/read/28555711/determination-of-the-mechanisms-that-cause-sarcopenia-through-cdna-microarray
#9
H O Jeong, D Park, E Im, J Lee, D S Im, H Y Chung
BACKGROUND: Sarcopenia, the aging-related deterioration of skeletal muscle, is a disease that is directly associated with quality of life. Given the trend of an increasing aging population worldwide, the prevention of aging-related diseases such as sarcopenia has become ever more important and urgent. OBJECTIVE: To identify potential therapeutic targets for this disease. METHODS: we used a bioinformatics approach of combining cDNA microarray analysis and protein-protein interaction prediction...
2017: Journal of Frailty & Aging
https://www.readbyqxmd.com/read/28550626/combination-breast-cancer-chemotherapy-with-doxorubicin-and-cyclophosphamide-damages-bone-and-bone-marrow-in-a-female-rat-model
#10
Chiaming Fan, Kristen R Georgiou, Howard A Morris, Ross A McKinnon, Dorothy M K Keefe, Peter R Howe, Cory J Xian
PURPOSE: Anthracyclines (including doxorubicin) are still the backbone of commonly used breast cancer chemotherapy regimens. Despite increasing use of doxorubicin and cyclophosphamide (AC) combinations for treating breast cancer, their potential to cause adverse skeletal effects remains unclear. METHODS: This study examined the effects of treatments with the AC regimen on bone and bone marrow in adult female rats. RESULTS: AC treatment for four cycles (weekly intravenous injection of 2 mg/kg doxorubicin and 20 mg/kg cyclophosphamide) resulted in a reduced volume of trabecular bone at the metaphysis, which was associated with reduced serum levels of 25-hydroxy vitamin D3 and alkaline phosphatase...
May 26, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28546450/fatty-acid-binding-protein-4-ap2-dependent-blt1r-expression-and-signaling
#11
Ann V Hertzel, Hongliang Xu, Michael Downey, Nicholas Kvalheim, David A Bernlohr
Previous studies have shown that reduced levels of the adipocyte fatty acid binding protein 4, FABP4 (AFABP/aP2), result in metabolic improvement including potentiated insulin sensitivity and attenuated atherosclerosis. Mechanistically, pharmacologic or genetic inhibition of FABP4 in macrophages upregulates UCP2, attenuates ROS production, polarizes cells towards the anti-inflammatory M2 state and reduces leukotriene secretion. At the protein level, FABP4 stabilizes LTA4 towards chemical hydrolysis thereby potentiating inflammatory LTC4 synthesis...
May 25, 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/28534013/serum-from-pregnant-women-with-gestational-diabetes-mellitus-increases-the-expression-of-fabp4-mrna-in-primary-subcutaneous-human-pre-adipocytes
#12
Lan Li, Se Jin Lee, Song Yi Kook, Tae Gyu Ahn, Ji Yeon Lee, Jong Yun Hwang
OBJECTIVE: Gestational diabetes mellitus (GDM) is defined as glucose intolerance first detected during pregnancy. It can result in pregnancy complications such as birth injury, stillbirth. Fatty acid-binding protein 4 (FABP4), found in adipose tissue, is associated with insulin resistance, and type 2 diabetes. The aim of this study was to investigate whether FABP4 in the placenta and decidua of pregnant women with GDM is higher than that in normal pregnant women, and whether serum from pregnant women with GDM may cause adipocytes to secrete more FABP4 than does serum from a normal pregnant group...
May 2017: Obstetrics & Gynecology Science
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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